main.elf: file format elf32-littlearm SYMBOL TABLE: 08000000 l d .isr_vector 00000000 .isr_vector 080000c0 l d .text 00000000 .text 20000000 l d .data 00000000 .data 20000094 l d .bss 00000000 .bss 00000000 l d .comment 00000000 .comment 00000000 l d .ARM.attributes 00000000 .ARM.attributes 00000000 l d .debug_aranges 00000000 .debug_aranges 00000000 l d .debug_info 00000000 .debug_info 00000000 l d .debug_abbrev 00000000 .debug_abbrev 00000000 l d .debug_line 00000000 .debug_line 00000000 l d .debug_frame 00000000 .debug_frame 00000000 l d .debug_str 00000000 .debug_str 00000000 l d .debug_ranges 00000000 .debug_ranges 00000000 l df *ABS* 00000000 /tmp/ccjaIjJQ.o 08001c0c l .text 00000000 LoopCopyDataInit 08001c04 l .text 00000000 CopyDataInit 08001c20 l .text 00000000 LoopFillZerobss 08001c1a l .text 00000000 FillZerobss 08001c2e l .text 00000000 LoopForever 08001c48 l .text 00000000 Infinite_Loop 00000000 l df *ABS* 00000000 main.c 080000c0 l F .text 0000002c NVIC_EnableIRQ 080000ec l F .text 000000dc NVIC_SetPriority 080001c8 l F .text 00000048 SysTick_Config 20000098 l .bss 00000004 leds_update_counter.5792 2000009c l .bss 00000004 n.5815 00000000 l df *ABS* 00000000 adc.c 080004e8 l F .text 0000002c NVIC_EnableIRQ 08000514 l F .text 000000dc NVIC_SetPriority 200000a0 l .bss 00000090 adc_pkt 20000130 l .bss 00000002 current_seq 20000134 l .bss 00000004 current_buf 08000690 l F .text 00000040 adc_dma_init 0800072c l F .text 00000064 adc_timer_init 080006d0 l F .text 0000005c adc_dma_launch 08000790 l F .text 0000000a gdb_dump 00000000 l df *ABS* 00000000 serial.c 0800081c l F .text 0000002c NVIC_EnableIRQ 08000848 l F .text 00000030 NVIC_DisableIRQ 08000878 l F .text 000000dc NVIC_SetPriority 20000138 l .bss 00000004 tx_overruns 2000013c l .bss 00000004 rx_overruns 20000140 l .bss 00000004 rx_framing_errors 20000144 l .bss 00000004 rx_protocol_errors 20000148 l .bss 00000008 cobs_state 20000150 l .bss 00000020 rx_buf 08000d10 l F .text 000000ac usart_retransmit_packet 08000b50 l F .text 00000074 usart_schedule_dma 08000ca8 l F .text 00000028 usart_putc_nonblocking 00000000 l df *ABS* 00000000 cobs.c 00000000 l df *ABS* 00000000 system_stm32f0xx.c 00000000 l df *ABS* 00000000 stm32f0xx_ll_utils.c 080012f8 l F .text 0000001c LL_RCC_HSE_EnableBypass 08001314 l F .text 00000020 LL_RCC_HSE_DisableBypass 08001334 l F .text 0000001c LL_RCC_HSE_Enable 08001350 l F .text 00000028 LL_RCC_HSE_IsReady 08001378 l F .text 0000001c LL_RCC_HSI_Enable 08001394 l F .text 00000020 LL_RCC_HSI_IsReady 080013b4 l F .text 00000028 LL_RCC_SetSysClkSource 080013dc l F .text 00000018 LL_RCC_GetSysClkSource 080013f4 l F .text 00000028 LL_RCC_SetAHBPrescaler 0800141c l F .text 0000002c LL_RCC_SetAPB1Prescaler 08001448 l F .text 0000001c LL_RCC_PLL_Enable 08001464 l F .text 00000028 LL_RCC_PLL_IsReady 0800148c l F .text 0000004c LL_RCC_PLL_ConfigDomain_SYS 080014d8 l F .text 00000034 LL_InitTick 0800150c l F .text 00000028 LL_FLASH_SetLatency 08001534 l F .text 00000018 LL_FLASH_GetLatency 0800178e l F .text 00000026 UTILS_PLL_IsBusy 08001754 l F .text 0000003a UTILS_GetPLLOutputFrequency 080017b4 l F .text 000000d8 UTILS_EnablePLLAndSwitchSystem 080016f8 l F .text 0000005c UTILS_SetFlashLatency 00000000 l df *ABS* 00000000 base.c 00000000 l df *ABS* 00000000 cmsis_exports.c 00000000 l df *ABS* 00000000 _udivsi3.o 08001910 l .text 00000000 .udivsi3_skip_div0_test 00000000 l df *ABS* 00000000 _divsi3.o 08001a24 l .text 00000000 .divsi3_skip_div0_test 00000000 l df *ABS* 00000000 _dvmd_tls.o 08001c5c g O .text 00000008 APBPrescTable 20000044 g O .data 00000004 tim17 2000007c g O .data 00000004 gpioc 20000088 g O .data 00000004 scb 0800156a g F .text 00000046 LL_mDelay 08001c48 w F .text 00000002 TIM1_CC_IRQHandler 0800188c g F .text 0000000a __sinit 08000490 g F .text 00000004 HardFault_Handler 2000006c g O .data 00000004 rcc 080004ac g F .text 0000003c SysTick_Handler 08001c64 g .text 00000000 _sidata 080004a0 g F .text 0000000c PendSV_Handler 20000020 g O .data 00000004 syscfg 08000484 g F .text 0000000c NMI_Handler 200003b8 g .bss 00000000 __exidx_end 080015cc g F .text 0000008c LL_PLL_ConfigSystemClock_HSI 08001c48 w F .text 00000002 I2C1_IRQHandler 080015b0 g F .text 0000001c LL_SetSystemCoreClock 20000170 g O .bss 00000004 __errno 20000008 g O .data 00000004 tim14 20000048 g O .data 00000004 dbgmcu 2000003c g O .data 00000004 usart1 08001c64 g .text 00000000 _etext 20000094 g .bss 00000000 _sbss 08000f9a g F .text 000000d6 cobs_decode 20000198 g O .bss 00000220 usart_tx_buf 20000094 g O .bss 00000004 sys_time_seconds 20000000 g O .data 00000004 SystemCoreClock 2000001c g O .data 00000004 pwr 08001910 g F .text 0000010a .hidden __udivsi3 080018fa g F .text 00000014 __assert_func 20000000 g .data 00000000 _sdata 0800039c g F .text 0000002c SPI1_IRQHandler 20000060 g O .data 00000004 dma1_channel5 20000058 g O .data 00000004 dma1_channel3 200003b8 g .bss 00000000 __exidx_start 0800154c g F .text 0000001e LL_Init1msTick 20000054 g O .data 00000004 dma1_channel2 08001c48 w F .text 00000002 EXTI2_3_IRQHandler 08001c48 w F .text 00000002 ADC1_IRQHandler 0800108c g F .text 000000e2 cobs_decode_incremental 2000004c g O .data 00000004 dma1 08001c48 w F .text 00000002 TIM17_IRQHandler 08001c48 w F .text 00000002 RTC_IRQHandler 200003b8 g .bss 00000000 _ebss 2000002c g O .data 00000004 adc1_common 08001bfc w F .text 00000034 Reset_Handler 20000070 g O .data 00000004 crc 20000024 g O .data 00000004 exti 08000210 g F .text 0000000a update_leds 20000028 g O .data 00000004 adc1 08001a24 g F .text 00000000 .hidden __aeabi_idiv 20000178 g O .bss 00000020 leds 20000074 g O .data 00000004 gpioa 080003c8 g F .text 000000bc TIM16_IRQHandler 08001c48 w F .text 00000002 TIM3_IRQHandler 08001c48 w F .text 00000002 EXTI4_15_IRQHandler 08001c48 w F .text 00000002 RCC_IRQHandler 08000dbc g F .text 00000120 usart_send_packet_nonblocking 20000094 g .bss 00000000 _bss 0800079a g F .text 00000082 DMA1_Channel1_IRQHandler 08001c48 g .text 00000002 Default_Handler 08001c4c g O .text 00000010 AHBPrescTable 08000edc g F .text 000000be cobs_encode_usart 20000010 g O .data 00000004 wwdg 08001c48 w F .text 00000002 TIM14_IRQHandler 08001c48 w F .text 00000002 DMA1_Channel4_5_IRQHandler 20000030 g O .data 00000004 adc 08000c78 g F .text 00000030 usart_putc 08001c48 w F .text 00000002 EXTI0_1_IRQHandler 08001bf8 w F .text 00000002 .hidden __aeabi_ldiv0 20000004 g O .data 00000004 tim3 2000000c g O .data 00000004 rtc 08000954 g F .text 000000d4 usart_dma_init 08001896 g F .text 0000003a memset 08000bc4 g F .text 0000003c usart_ack_packet 0800021a g F .text 00000182 main 20000064 g O .data 00000004 flash 08001910 g F .text 00000000 .hidden __aeabi_uidiv 08000494 g F .text 0000000c SVC_Handler 20000018 g O .data 00000004 i2c1 20000050 g O .data 00000004 dma1_channel1 08001a24 g F .text 000001cc .hidden __divsi3 20000090 g O .data 00000004 nvic 08001184 g F .text 00000088 SystemInit 20000174 g O .bss 00000004 _impure_ptr 08001c48 w F .text 00000002 WWDG_IRQHandler 20000000 g .data 00000000 _data 20000084 g O .data 00000004 gpiof 08000cd0 g F .text 00000040 DMA1_Channel2_3_IRQHandler 20000080 g O .data 00000004 gpiod 20001000 g *ABS* 00000000 _estack 08001a1c g F .text 00000008 .hidden __aeabi_uidivmod 20000068 g O .data 00000004 ob 20000094 g .data 00000000 _edata 20000038 g O .data 00000004 spi1 08000c00 g F .text 00000078 usart_dma_fifo_push 2000005c g O .data 00000004 dma1_channel4 08000000 g O .isr_vector 00000000 g_pfnVectors 0800120c g F .text 000000ec SystemCoreClockUpdate 08001658 g F .text 000000a0 LL_PLL_ConfigSystemClock_HSE 08001bf8 w F .text 00000002 .hidden __aeabi_idiv0 20000014 g O .data 00000004 iwdg 08001c48 w F .text 00000002 FLASH_IRQHandler 08001070 g F .text 0000001c cobs_decode_incremental_initialize 08000a28 g F .text 00000128 USART1_IRQHandler 080005f0 g F .text 000000a0 adc_configure_scope_mode 080018d0 g F .text 0000002a strlen 08001c48 w F .text 00000002 TIM1_BRK_UP_TRG_COM_IRQHandler 20000078 g O .data 00000004 gpiob 20000034 g O .data 00000004 tim1 2000008c g O .data 00000004 systick 08001bf0 g F .text 00000008 .hidden __aeabi_idivmod 20000040 g O .data 00000004 tim16 Disassembly of section .text: 080000c0 : \brief Enable External Interrupt \details Enables a device-specific interrupt in the NVIC interrupt controller. \param [in] IRQn External interrupt number. Value cannot be negative. */ __STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn) { 80000c0: b580 push {r7, lr} 80000c2: b082 sub sp, #8 80000c4: af00 add r7, sp, #0 80000c6: 0002 movs r2, r0 80000c8: 1dfb adds r3, r7, #7 80000ca: 701a strb r2, [r3, #0] NVIC->ISER[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); 80000cc: 1dfb adds r3, r7, #7 80000ce: 781b ldrb r3, [r3, #0] 80000d0: 001a movs r2, r3 80000d2: 231f movs r3, #31 80000d4: 401a ands r2, r3 80000d6: 4b04 ldr r3, [pc, #16] ; (80000e8 ) 80000d8: 2101 movs r1, #1 80000da: 4091 lsls r1, r2 80000dc: 000a movs r2, r1 80000de: 601a str r2, [r3, #0] } 80000e0: 46c0 nop ; (mov r8, r8) 80000e2: 46bd mov sp, r7 80000e4: b002 add sp, #8 80000e6: bd80 pop {r7, pc} 80000e8: e000e100 .word 0xe000e100 080000ec : \note The priority cannot be set for every core interrupt. \param [in] IRQn Interrupt number. \param [in] priority Priority to set. */ __STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority) { 80000ec: b590 push {r4, r7, lr} 80000ee: b083 sub sp, #12 80000f0: af00 add r7, sp, #0 80000f2: 0002 movs r2, r0 80000f4: 6039 str r1, [r7, #0] 80000f6: 1dfb adds r3, r7, #7 80000f8: 701a strb r2, [r3, #0] if ((int32_t)(IRQn) < 0) 80000fa: 1dfb adds r3, r7, #7 80000fc: 781b ldrb r3, [r3, #0] 80000fe: 2b7f cmp r3, #127 ; 0x7f 8000100: d932 bls.n 8000168 { SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | 8000102: 4a2f ldr r2, [pc, #188] ; (80001c0 ) 8000104: 1dfb adds r3, r7, #7 8000106: 781b ldrb r3, [r3, #0] 8000108: 0019 movs r1, r3 800010a: 230f movs r3, #15 800010c: 400b ands r3, r1 800010e: 3b08 subs r3, #8 8000110: 089b lsrs r3, r3, #2 8000112: 3306 adds r3, #6 8000114: 009b lsls r3, r3, #2 8000116: 18d3 adds r3, r2, r3 8000118: 3304 adds r3, #4 800011a: 681b ldr r3, [r3, #0] 800011c: 1dfa adds r2, r7, #7 800011e: 7812 ldrb r2, [r2, #0] 8000120: 0011 movs r1, r2 8000122: 2203 movs r2, #3 8000124: 400a ands r2, r1 8000126: 00d2 lsls r2, r2, #3 8000128: 21ff movs r1, #255 ; 0xff 800012a: 4091 lsls r1, r2 800012c: 000a movs r2, r1 800012e: 43d2 mvns r2, r2 8000130: 401a ands r2, r3 8000132: 0011 movs r1, r2 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn))); 8000134: 683b ldr r3, [r7, #0] 8000136: 019b lsls r3, r3, #6 8000138: 22ff movs r2, #255 ; 0xff 800013a: 401a ands r2, r3 800013c: 1dfb adds r3, r7, #7 800013e: 781b ldrb r3, [r3, #0] 8000140: 0018 movs r0, r3 8000142: 2303 movs r3, #3 8000144: 4003 ands r3, r0 8000146: 00db lsls r3, r3, #3 8000148: 409a lsls r2, r3 SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | 800014a: 481d ldr r0, [pc, #116] ; (80001c0 ) 800014c: 1dfb adds r3, r7, #7 800014e: 781b ldrb r3, [r3, #0] 8000150: 001c movs r4, r3 8000152: 230f movs r3, #15 8000154: 4023 ands r3, r4 8000156: 3b08 subs r3, #8 8000158: 089b lsrs r3, r3, #2 800015a: 430a orrs r2, r1 800015c: 3306 adds r3, #6 800015e: 009b lsls r3, r3, #2 8000160: 18c3 adds r3, r0, r3 8000162: 3304 adds r3, #4 8000164: 601a str r2, [r3, #0] else { NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn))); } } 8000166: e027 b.n 80001b8 NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | 8000168: 4a16 ldr r2, [pc, #88] ; (80001c4 ) 800016a: 1dfb adds r3, r7, #7 800016c: 781b ldrb r3, [r3, #0] 800016e: b25b sxtb r3, r3 8000170: 089b lsrs r3, r3, #2 8000172: 33c0 adds r3, #192 ; 0xc0 8000174: 009b lsls r3, r3, #2 8000176: 589b ldr r3, [r3, r2] 8000178: 1dfa adds r2, r7, #7 800017a: 7812 ldrb r2, [r2, #0] 800017c: 0011 movs r1, r2 800017e: 2203 movs r2, #3 8000180: 400a ands r2, r1 8000182: 00d2 lsls r2, r2, #3 8000184: 21ff movs r1, #255 ; 0xff 8000186: 4091 lsls r1, r2 8000188: 000a movs r2, r1 800018a: 43d2 mvns r2, r2 800018c: 401a ands r2, r3 800018e: 0011 movs r1, r2 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn))); 8000190: 683b ldr r3, [r7, #0] 8000192: 019b lsls r3, r3, #6 8000194: 22ff movs r2, #255 ; 0xff 8000196: 401a ands r2, r3 8000198: 1dfb adds r3, r7, #7 800019a: 781b ldrb r3, [r3, #0] 800019c: 0018 movs r0, r3 800019e: 2303 movs r3, #3 80001a0: 4003 ands r3, r0 80001a2: 00db lsls r3, r3, #3 80001a4: 409a lsls r2, r3 NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | 80001a6: 4807 ldr r0, [pc, #28] ; (80001c4 ) 80001a8: 1dfb adds r3, r7, #7 80001aa: 781b ldrb r3, [r3, #0] 80001ac: b25b sxtb r3, r3 80001ae: 089b lsrs r3, r3, #2 80001b0: 430a orrs r2, r1 80001b2: 33c0 adds r3, #192 ; 0xc0 80001b4: 009b lsls r3, r3, #2 80001b6: 501a str r2, [r3, r0] } 80001b8: 46c0 nop ; (mov r8, r8) 80001ba: 46bd mov sp, r7 80001bc: b003 add sp, #12 80001be: bd90 pop {r4, r7, pc} 80001c0: e000ed00 .word 0xe000ed00 80001c4: e000e100 .word 0xe000e100 080001c8 : \note When the variable __Vendor_SysTickConfig is set to 1, then the function SysTick_Config is not included. In this case, the file device.h must contain a vendor-specific implementation of this function. */ __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks) { 80001c8: b580 push {r7, lr} 80001ca: b082 sub sp, #8 80001cc: af00 add r7, sp, #0 80001ce: 6078 str r0, [r7, #4] if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk) 80001d0: 687b ldr r3, [r7, #4] 80001d2: 1e5a subs r2, r3, #1 80001d4: 2380 movs r3, #128 ; 0x80 80001d6: 045b lsls r3, r3, #17 80001d8: 429a cmp r2, r3 80001da: d301 bcc.n 80001e0 { return (1UL); /* Reload value impossible */ 80001dc: 2301 movs r3, #1 80001de: e010 b.n 8000202 } SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */ 80001e0: 4b0a ldr r3, [pc, #40] ; (800020c ) 80001e2: 687a ldr r2, [r7, #4] 80001e4: 3a01 subs r2, #1 80001e6: 605a str r2, [r3, #4] NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */ 80001e8: 2301 movs r3, #1 80001ea: 425b negs r3, r3 80001ec: 2103 movs r1, #3 80001ee: 0018 movs r0, r3 80001f0: f7ff ff7c bl 80000ec SysTick->VAL = 0UL; /* Load the SysTick Counter Value */ 80001f4: 4b05 ldr r3, [pc, #20] ; (800020c ) 80001f6: 2200 movs r2, #0 80001f8: 609a str r2, [r3, #8] SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | 80001fa: 4b04 ldr r3, [pc, #16] ; (800020c ) 80001fc: 2207 movs r2, #7 80001fe: 601a str r2, [r3, #0] SysTick_CTRL_TICKINT_Msk | SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */ return (0UL); /* Function successful */ 8000200: 2300 movs r3, #0 } 8000202: 0018 movs r0, r3 8000204: 46bd mov sp, r7 8000206: b002 add sp, #8 8000208: bd80 pop {r7, pc} 800020a: 46c0 nop ; (mov r8, r8) 800020c: e000e010 .word 0xe000e010 08000210 : #include "serial.h" volatile unsigned int sys_time_seconds = 0; void update_leds() { 8000210: b580 push {r7, lr} 8000212: af00 add r7, sp, #0 } 8000214: 46c0 nop ; (mov r8, r8) 8000216: 46bd mov sp, r7 8000218: bd80 pop {r7, pc} 0800021a
: unsigned int usb, ocxo, error, _nc1, _nc2, _nc3, pps, sd_card; }; unsigned int arr[8]; } leds; int main(void) { 800021a: b580 push {r7, lr} 800021c: af00 add r7, sp, #0 RCC->CR |= RCC_CR_HSEON; 800021e: 4b53 ldr r3, [pc, #332] ; (800036c ) 8000220: 681a ldr r2, [r3, #0] 8000222: 4b52 ldr r3, [pc, #328] ; (800036c ) 8000224: 2180 movs r1, #128 ; 0x80 8000226: 0249 lsls r1, r1, #9 8000228: 430a orrs r2, r1 800022a: 601a str r2, [r3, #0] while (!(RCC->CR&RCC_CR_HSERDY)); 800022c: 46c0 nop ; (mov r8, r8) 800022e: 4b4f ldr r3, [pc, #316] ; (800036c ) 8000230: 681a ldr r2, [r3, #0] 8000232: 2380 movs r3, #128 ; 0x80 8000234: 029b lsls r3, r3, #10 8000236: 4013 ands r3, r2 8000238: d0f9 beq.n 800022e RCC->CFGR &= ~RCC_CFGR_PLLMUL_Msk & ~RCC_CFGR_SW_Msk & ~RCC_CFGR_PPRE_Msk & ~RCC_CFGR_HPRE_Msk; 800023a: 4b4c ldr r3, [pc, #304] ; (800036c ) 800023c: 685a ldr r2, [r3, #4] 800023e: 4b4b ldr r3, [pc, #300] ; (800036c ) 8000240: 494b ldr r1, [pc, #300] ; (8000370 ) 8000242: 400a ands r2, r1 8000244: 605a str r2, [r3, #4] RCC->CFGR |= ((6-2)< 48.0MHz */ 8000246: 4b49 ldr r3, [pc, #292] ; (800036c ) 8000248: 685a ldr r2, [r3, #4] 800024a: 4b48 ldr r3, [pc, #288] ; (800036c ) 800024c: 2188 movs r1, #136 ; 0x88 800024e: 0349 lsls r1, r1, #13 8000250: 430a orrs r2, r1 8000252: 605a str r2, [r3, #4] RCC->CR |= RCC_CR_PLLON; 8000254: 4b45 ldr r3, [pc, #276] ; (800036c ) 8000256: 681a ldr r2, [r3, #0] 8000258: 4b44 ldr r3, [pc, #272] ; (800036c ) 800025a: 2180 movs r1, #128 ; 0x80 800025c: 0449 lsls r1, r1, #17 800025e: 430a orrs r2, r1 8000260: 601a str r2, [r3, #0] while (!(RCC->CR&RCC_CR_PLLRDY)); 8000262: 46c0 nop ; (mov r8, r8) 8000264: 4b41 ldr r3, [pc, #260] ; (800036c ) 8000266: 681a ldr r2, [r3, #0] 8000268: 2380 movs r3, #128 ; 0x80 800026a: 049b lsls r3, r3, #18 800026c: 4013 ands r3, r2 800026e: d0f9 beq.n 8000264 RCC->CFGR |= (2<) 8000272: 685a ldr r2, [r3, #4] 8000274: 4b3d ldr r3, [pc, #244] ; (800036c ) 8000276: 2102 movs r1, #2 8000278: 430a orrs r2, r1 800027a: 605a str r2, [r3, #4] SystemCoreClockUpdate(); 800027c: f000 ffc6 bl 800120c SysTick_Config(SystemCoreClock/10); /* 100ms interval */ 8000280: 4b3c ldr r3, [pc, #240] ; (8000374 ) 8000282: 681b ldr r3, [r3, #0] 8000284: 210a movs r1, #10 8000286: 0018 movs r0, r3 8000288: f001 fb42 bl 8001910 <__udivsi3> 800028c: 0003 movs r3, r0 800028e: 0018 movs r0, r3 8000290: f7ff ff9a bl 80001c8 NVIC_EnableIRQ(SysTick_IRQn); 8000294: 2301 movs r3, #1 8000296: 425b negs r3, r3 8000298: 0018 movs r0, r3 800029a: f7ff ff11 bl 80000c0 NVIC_SetPriority(SysTick_IRQn, 3<<5); 800029e: 2301 movs r3, #1 80002a0: 425b negs r3, r3 80002a2: 2160 movs r1, #96 ; 0x60 80002a4: 0018 movs r0, r3 80002a6: f7ff ff21 bl 80000ec /* Turn on lots of neat things */ RCC->AHBENR |= RCC_AHBENR_DMAEN | RCC_AHBENR_GPIOAEN | RCC_AHBENR_GPIOBEN | RCC_AHBENR_FLITFEN | RCC_AHBENR_CRCEN; 80002aa: 4b30 ldr r3, [pc, #192] ; (800036c ) 80002ac: 695a ldr r2, [r3, #20] 80002ae: 4b2f ldr r3, [pc, #188] ; (800036c ) 80002b0: 4931 ldr r1, [pc, #196] ; (8000378 ) 80002b2: 430a orrs r2, r1 80002b4: 615a str r2, [r3, #20] RCC->APB2ENR |= RCC_APB2ENR_SYSCFGEN | RCC_APB2ENR_ADCEN | RCC_APB2ENR_SPI1EN | RCC_APB2ENR_DBGMCUEN |\ 80002b6: 4b2d ldr r3, [pc, #180] ; (800036c ) 80002b8: 699a ldr r2, [r3, #24] 80002ba: 4b2c ldr r3, [pc, #176] ; (800036c ) 80002bc: 492f ldr r1, [pc, #188] ; (800037c ) 80002be: 430a orrs r2, r1 80002c0: 619a str r2, [r3, #24] RCC_APB2ENR_TIM1EN | RCC_APB2ENR_TIM16EN | RCC_APB2ENR_USART1EN; RCC->APB1ENR |= RCC_APB1ENR_TIM3EN; 80002c2: 4b2a ldr r3, [pc, #168] ; (800036c ) 80002c4: 69da ldr r2, [r3, #28] 80002c6: 4b29 ldr r3, [pc, #164] ; (800036c ) 80002c8: 2102 movs r1, #2 80002ca: 430a orrs r2, r1 80002cc: 61da str r2, [r3, #28] GPIOA->MODER |= 80002ce: 2390 movs r3, #144 ; 0x90 80002d0: 05db lsls r3, r3, #23 80002d2: 681a ldr r2, [r3, #0] 80002d4: 2390 movs r3, #144 ; 0x90 80002d6: 05db lsls r3, r3, #23 80002d8: 4929 ldr r1, [pc, #164] ; (8000380 ) 80002da: 430a orrs r2, r1 80002dc: 601a str r2, [r3, #0] | (2<OSPEEDR |= 80002de: 2390 movs r3, #144 ; 0x90 80002e0: 05db lsls r3, r3, #23 80002e2: 689a ldr r2, [r3, #8] 80002e4: 2390 movs r3, #144 ; 0x90 80002e6: 05db lsls r3, r3, #23 80002e8: 4926 ldr r1, [pc, #152] ; (8000384 ) 80002ea: 430a orrs r2, r1 80002ec: 609a str r2, [r3, #8] | (2<AFR[0] = (0<AFR[1] = (1<<8) | (1<<4); 80002f6: 2390 movs r3, #144 ; 0x90 80002f8: 05db lsls r3, r3, #23 80002fa: 2288 movs r2, #136 ; 0x88 80002fc: 0052 lsls r2, r2, #1 80002fe: 625a str r2, [r3, #36] ; 0x24 GPIOB->MODER |= 8000300: 4a21 ldr r2, [pc, #132] ; (8000388 ) 8000302: 4b21 ldr r3, [pc, #132] ; (8000388 ) 8000304: 6812 ldr r2, [r2, #0] 8000306: 601a str r2, [r3, #0] (0<CR1 = 8000308: 4b20 ldr r3, [pc, #128] ; (800038c ) 800030a: 22c9 movs r2, #201 ; 0xc9 800030c: 0092 lsls r2, r2, #2 800030e: 601a str r2, [r3, #0] SPI_CR1_SSM | SPI_CR1_SSI | (4<CR2 = (7<) 8000312: 22e0 movs r2, #224 ; 0xe0 8000314: 00d2 lsls r2, r2, #3 8000316: 605a str r2, [r3, #4] SPI1->CR1 |= SPI_CR1_SPE; 8000318: 4b1c ldr r3, [pc, #112] ; (800038c ) 800031a: 681a ldr r2, [r3, #0] 800031c: 4b1b ldr r3, [pc, #108] ; (800038c ) 800031e: 2140 movs r1, #64 ; 0x40 8000320: 430a orrs r2, r1 8000322: 601a str r2, [r3, #0] NVIC_EnableIRQ(SPI1_IRQn); 8000324: 2019 movs r0, #25 8000326: f7ff fecb bl 80000c0 NVIC_SetPriority(SPI1_IRQn, 2<<5); 800032a: 2140 movs r1, #64 ; 0x40 800032c: 2019 movs r0, #25 800032e: f7ff fedd bl 80000ec TIM16->CR2 = 0; 8000332: 4b17 ldr r3, [pc, #92] ; (8000390 ) 8000334: 2200 movs r2, #0 8000336: 605a str r2, [r3, #4] TIM16->DIER = TIM_DIER_UIE; 8000338: 4b15 ldr r3, [pc, #84] ; (8000390 ) 800033a: 2201 movs r2, #1 800033c: 60da str r2, [r3, #12] TIM16->PSC = 48-1; /* 1us */ 800033e: 4b14 ldr r3, [pc, #80] ; (8000390 ) 8000340: 222f movs r2, #47 ; 0x2f 8000342: 629a str r2, [r3, #40] ; 0x28 TIM16->ARR = 1000-1; /* 1ms */ 8000344: 4b12 ldr r3, [pc, #72] ; (8000390 ) 8000346: 4a13 ldr r2, [pc, #76] ; (8000394 ) 8000348: 62da str r2, [r3, #44] ; 0x2c TIM16->CR1 = TIM_CR1_CEN; 800034a: 4b11 ldr r3, [pc, #68] ; (8000390 ) 800034c: 2201 movs r2, #1 800034e: 601a str r2, [r3, #0] NVIC_EnableIRQ(TIM16_IRQn); 8000350: 2015 movs r0, #21 8000352: f7ff feb5 bl 80000c0 NVIC_SetPriority(TIM16_IRQn, 2<<5); 8000356: 2140 movs r1, #64 ; 0x40 8000358: 2015 movs r0, #21 800035a: f7ff fec7 bl 80000ec adc_configure_scope_mode(1000000); 800035e: 4b0e ldr r3, [pc, #56] ; (8000398 ) 8000360: 0018 movs r0, r3 8000362: f000 f945 bl 80005f0 usart_dma_init(); 8000366: f000 faf5 bl 8000954 while (42) { 800036a: e7fe b.n 800036a 800036c: 40021000 .word 0x40021000 8000370: ffc3f80c .word 0xffc3f80c 8000374: 20000000 .word 0x20000000 8000378: 00060051 .word 0x00060051 800037c: 00425a01 .word 0x00425a01 8000380: 0028a970 .word 0x0028a970 8000384: 00088a80 .word 0x00088a80 8000388: 48000400 .word 0x48000400 800038c: 40013000 .word 0x40013000 8000390: 40014400 .word 0x40014400 8000394: 000003e7 .word 0x000003e7 8000398: 000f4240 .word 0x000f4240 0800039c : //for (int i=0; i<10000; i++) ; //leds.error = 100; } } void SPI1_IRQHandler(void) { 800039c: b580 push {r7, lr} 800039e: af00 add r7, sp, #0 if (SPI1->SR & SPI_SR_TXE) { 80003a0: 4b08 ldr r3, [pc, #32] ; (80003c4 ) 80003a2: 689b ldr r3, [r3, #8] 80003a4: 2202 movs r2, #2 80003a6: 4013 ands r3, r2 80003a8: d009 beq.n 80003be /* LED_STB */ GPIOA->BSRR = 1<<3; 80003aa: 2390 movs r3, #144 ; 0x90 80003ac: 05db lsls r3, r3, #23 80003ae: 2208 movs r2, #8 80003b0: 619a str r2, [r3, #24] SPI1->CR2 &= ~SPI_CR2_TXEIE; 80003b2: 4b04 ldr r3, [pc, #16] ; (80003c4 ) 80003b4: 685a ldr r2, [r3, #4] 80003b6: 4b03 ldr r3, [pc, #12] ; (80003c4 ) 80003b8: 2180 movs r1, #128 ; 0x80 80003ba: 438a bics r2, r1 80003bc: 605a str r2, [r3, #4] } } 80003be: 46c0 nop ; (mov r8, r8) 80003c0: 46bd mov sp, r7 80003c2: bd80 pop {r7, pc} 80003c4: 40013000 .word 0x40013000 080003c8 : void TIM16_IRQHandler(void) { 80003c8: b580 push {r7, lr} 80003ca: b082 sub sp, #8 80003cc: af00 add r7, sp, #0 static int leds_update_counter = 0; if (TIM16->SR & TIM_SR_UIF) { 80003ce: 4b28 ldr r3, [pc, #160] ; (8000470 ) 80003d0: 691b ldr r3, [r3, #16] 80003d2: 2201 movs r2, #1 80003d4: 4013 ands r3, r2 80003d6: d047 beq.n 8000468 TIM16->SR &= ~TIM_SR_UIF; 80003d8: 4b25 ldr r3, [pc, #148] ; (8000470 ) 80003da: 691a ldr r2, [r3, #16] 80003dc: 4b24 ldr r3, [pc, #144] ; (8000470 ) 80003de: 2101 movs r1, #1 80003e0: 438a bics r2, r1 80003e2: 611a str r2, [r3, #16] uint8_t bits = 0, mask = 1; 80003e4: 1dfb adds r3, r7, #7 80003e6: 2200 movs r2, #0 80003e8: 701a strb r2, [r3, #0] 80003ea: 1dbb adds r3, r7, #6 80003ec: 2201 movs r2, #1 80003ee: 701a strb r2, [r3, #0] for (size_t i=0; i if (leds.arr[i]) { 80003f6: 4b1f ldr r3, [pc, #124] ; (8000474 ) 80003f8: 683a ldr r2, [r7, #0] 80003fa: 0092 lsls r2, r2, #2 80003fc: 58d3 ldr r3, [r2, r3] 80003fe: 2b00 cmp r3, #0 8000400: d00f beq.n 8000422 leds.arr[i]--; 8000402: 4b1c ldr r3, [pc, #112] ; (8000474 ) 8000404: 683a ldr r2, [r7, #0] 8000406: 0092 lsls r2, r2, #2 8000408: 58d3 ldr r3, [r2, r3] 800040a: 1e59 subs r1, r3, #1 800040c: 4b19 ldr r3, [pc, #100] ; (8000474 ) 800040e: 683a ldr r2, [r7, #0] 8000410: 0092 lsls r2, r2, #2 8000412: 50d1 str r1, [r2, r3] bits |= mask; 8000414: 1dfb adds r3, r7, #7 8000416: 1df9 adds r1, r7, #7 8000418: 1dba adds r2, r7, #6 800041a: 7809 ldrb r1, [r1, #0] 800041c: 7812 ldrb r2, [r2, #0] 800041e: 430a orrs r2, r1 8000420: 701a strb r2, [r3, #0] } mask <<= 1; 8000422: 1dba adds r2, r7, #6 8000424: 1dbb adds r3, r7, #6 8000426: 781b ldrb r3, [r3, #0] 8000428: 18db adds r3, r3, r3 800042a: 7013 strb r3, [r2, #0] for (size_t i=0; i } if (leds_update_counter++ == 10) { 8000438: 4b0f ldr r3, [pc, #60] ; (8000478 ) 800043a: 681b ldr r3, [r3, #0] 800043c: 1c59 adds r1, r3, #1 800043e: 4a0e ldr r2, [pc, #56] ; (8000478 ) 8000440: 6011 str r1, [r2, #0] 8000442: 2b0a cmp r3, #10 8000444: d110 bne.n 8000468 leds_update_counter = 0; 8000446: 4b0c ldr r3, [pc, #48] ; (8000478 ) 8000448: 2200 movs r2, #0 800044a: 601a str r2, [r3, #0] /* Workaround for SPI hardware bug: Even if configured to 8-bit mode, the SPI will do a 16-bit transfer if the * data register is accessed through a 16-bit write. Unfortunately, the STMCube register defs define DR as an * uint16_t, so we have to do some magic here to force an 8-bit write. */ *((volatile uint8_t*)&(SPI1->DR)) = bits; 800044c: 4a0b ldr r2, [pc, #44] ; (800047c ) 800044e: 1dfb adds r3, r7, #7 8000450: 781b ldrb r3, [r3, #0] 8000452: 7013 strb r3, [r2, #0] SPI1->CR2 |= SPI_CR2_TXEIE; 8000454: 4b0a ldr r3, [pc, #40] ; (8000480 ) 8000456: 685a ldr r2, [r3, #4] 8000458: 4b09 ldr r3, [pc, #36] ; (8000480 ) 800045a: 2180 movs r1, #128 ; 0x80 800045c: 430a orrs r2, r1 800045e: 605a str r2, [r3, #4] GPIOA->BRR = 1<<3; 8000460: 2390 movs r3, #144 ; 0x90 8000462: 05db lsls r3, r3, #23 8000464: 2208 movs r2, #8 8000466: 629a str r2, [r3, #40] ; 0x28 } } } 8000468: 46c0 nop ; (mov r8, r8) 800046a: 46bd mov sp, r7 800046c: b002 add sp, #8 800046e: bd80 pop {r7, pc} 8000470: 40014400 .word 0x40014400 8000474: 20000178 .word 0x20000178 8000478: 20000098 .word 0x20000098 800047c: 4001300c .word 0x4001300c 8000480: 40013000 .word 0x40013000 08000484 : void NMI_Handler(void) { 8000484: b580 push {r7, lr} 8000486: af00 add r7, sp, #0 asm volatile ("bkpt"); 8000488: be00 bkpt 0x0000 } 800048a: 46c0 nop ; (mov r8, r8) 800048c: 46bd mov sp, r7 800048e: bd80 pop {r7, pc} 08000490 : void HardFault_Handler(void) __attribute__((naked)); void HardFault_Handler() { asm volatile ("bkpt"); 8000490: be00 bkpt 0x0000 } 8000492: 46c0 nop ; (mov r8, r8) 08000494 : void SVC_Handler(void) { 8000494: b580 push {r7, lr} 8000496: af00 add r7, sp, #0 asm volatile ("bkpt"); 8000498: be00 bkpt 0x0000 } 800049a: 46c0 nop ; (mov r8, r8) 800049c: 46bd mov sp, r7 800049e: bd80 pop {r7, pc} 080004a0 : void PendSV_Handler(void) { 80004a0: b580 push {r7, lr} 80004a2: af00 add r7, sp, #0 asm volatile ("bkpt"); 80004a4: be00 bkpt 0x0000 } 80004a6: 46c0 nop ; (mov r8, r8) 80004a8: 46bd mov sp, r7 80004aa: bd80 pop {r7, pc} 080004ac : void SysTick_Handler(void) { 80004ac: b580 push {r7, lr} 80004ae: af00 add r7, sp, #0 static int n = 0; if (n++ == 10) { 80004b0: 4b0a ldr r3, [pc, #40] ; (80004dc ) 80004b2: 681b ldr r3, [r3, #0] 80004b4: 1c59 adds r1, r3, #1 80004b6: 4a09 ldr r2, [pc, #36] ; (80004dc ) 80004b8: 6011 str r1, [r2, #0] 80004ba: 2b0a cmp r3, #10 80004bc: d10a bne.n 80004d4 n = 0; 80004be: 4b07 ldr r3, [pc, #28] ; (80004dc ) 80004c0: 2200 movs r2, #0 80004c2: 601a str r2, [r3, #0] sys_time_seconds++; 80004c4: 4b06 ldr r3, [pc, #24] ; (80004e0 ) 80004c6: 681b ldr r3, [r3, #0] 80004c8: 1c5a adds r2, r3, #1 80004ca: 4b05 ldr r3, [pc, #20] ; (80004e0 ) 80004cc: 601a str r2, [r3, #0] leds.pps = 100; /* ms */ 80004ce: 4b05 ldr r3, [pc, #20] ; (80004e4 ) 80004d0: 2264 movs r2, #100 ; 0x64 80004d2: 619a str r2, [r3, #24] } } 80004d4: 46c0 nop ; (mov r8, r8) 80004d6: 46bd mov sp, r7 80004d8: bd80 pop {r7, pc} 80004da: 46c0 nop ; (mov r8, r8) 80004dc: 2000009c .word 0x2000009c 80004e0: 20000094 .word 0x20000094 80004e4: 20000178 .word 0x20000178 080004e8 : { 80004e8: b580 push {r7, lr} 80004ea: b082 sub sp, #8 80004ec: af00 add r7, sp, #0 80004ee: 0002 movs r2, r0 80004f0: 1dfb adds r3, r7, #7 80004f2: 701a strb r2, [r3, #0] NVIC->ISER[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); 80004f4: 1dfb adds r3, r7, #7 80004f6: 781b ldrb r3, [r3, #0] 80004f8: 001a movs r2, r3 80004fa: 231f movs r3, #31 80004fc: 401a ands r2, r3 80004fe: 4b04 ldr r3, [pc, #16] ; (8000510 ) 8000500: 2101 movs r1, #1 8000502: 4091 lsls r1, r2 8000504: 000a movs r2, r1 8000506: 601a str r2, [r3, #0] } 8000508: 46c0 nop ; (mov r8, r8) 800050a: 46bd mov sp, r7 800050c: b002 add sp, #8 800050e: bd80 pop {r7, pc} 8000510: e000e100 .word 0xe000e100 08000514 : { 8000514: b590 push {r4, r7, lr} 8000516: b083 sub sp, #12 8000518: af00 add r7, sp, #0 800051a: 0002 movs r2, r0 800051c: 6039 str r1, [r7, #0] 800051e: 1dfb adds r3, r7, #7 8000520: 701a strb r2, [r3, #0] if ((int32_t)(IRQn) < 0) 8000522: 1dfb adds r3, r7, #7 8000524: 781b ldrb r3, [r3, #0] 8000526: 2b7f cmp r3, #127 ; 0x7f 8000528: d932 bls.n 8000590 SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | 800052a: 4a2f ldr r2, [pc, #188] ; (80005e8 ) 800052c: 1dfb adds r3, r7, #7 800052e: 781b ldrb r3, [r3, #0] 8000530: 0019 movs r1, r3 8000532: 230f movs r3, #15 8000534: 400b ands r3, r1 8000536: 3b08 subs r3, #8 8000538: 089b lsrs r3, r3, #2 800053a: 3306 adds r3, #6 800053c: 009b lsls r3, r3, #2 800053e: 18d3 adds r3, r2, r3 8000540: 3304 adds r3, #4 8000542: 681b ldr r3, [r3, #0] 8000544: 1dfa adds r2, r7, #7 8000546: 7812 ldrb r2, [r2, #0] 8000548: 0011 movs r1, r2 800054a: 2203 movs r2, #3 800054c: 400a ands r2, r1 800054e: 00d2 lsls r2, r2, #3 8000550: 21ff movs r1, #255 ; 0xff 8000552: 4091 lsls r1, r2 8000554: 000a movs r2, r1 8000556: 43d2 mvns r2, r2 8000558: 401a ands r2, r3 800055a: 0011 movs r1, r2 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn))); 800055c: 683b ldr r3, [r7, #0] 800055e: 019b lsls r3, r3, #6 8000560: 22ff movs r2, #255 ; 0xff 8000562: 401a ands r2, r3 8000564: 1dfb adds r3, r7, #7 8000566: 781b ldrb r3, [r3, #0] 8000568: 0018 movs r0, r3 800056a: 2303 movs r3, #3 800056c: 4003 ands r3, r0 800056e: 00db lsls r3, r3, #3 8000570: 409a lsls r2, r3 SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | 8000572: 481d ldr r0, [pc, #116] ; (80005e8 ) 8000574: 1dfb adds r3, r7, #7 8000576: 781b ldrb r3, [r3, #0] 8000578: 001c movs r4, r3 800057a: 230f movs r3, #15 800057c: 4023 ands r3, r4 800057e: 3b08 subs r3, #8 8000580: 089b lsrs r3, r3, #2 8000582: 430a orrs r2, r1 8000584: 3306 adds r3, #6 8000586: 009b lsls r3, r3, #2 8000588: 18c3 adds r3, r0, r3 800058a: 3304 adds r3, #4 800058c: 601a str r2, [r3, #0] } 800058e: e027 b.n 80005e0 NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | 8000590: 4a16 ldr r2, [pc, #88] ; (80005ec ) 8000592: 1dfb adds r3, r7, #7 8000594: 781b ldrb r3, [r3, #0] 8000596: b25b sxtb r3, r3 8000598: 089b lsrs r3, r3, #2 800059a: 33c0 adds r3, #192 ; 0xc0 800059c: 009b lsls r3, r3, #2 800059e: 589b ldr r3, [r3, r2] 80005a0: 1dfa adds r2, r7, #7 80005a2: 7812 ldrb r2, [r2, #0] 80005a4: 0011 movs r1, r2 80005a6: 2203 movs r2, #3 80005a8: 400a ands r2, r1 80005aa: 00d2 lsls r2, r2, #3 80005ac: 21ff movs r1, #255 ; 0xff 80005ae: 4091 lsls r1, r2 80005b0: 000a movs r2, r1 80005b2: 43d2 mvns r2, r2 80005b4: 401a ands r2, r3 80005b6: 0011 movs r1, r2 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn))); 80005b8: 683b ldr r3, [r7, #0] 80005ba: 019b lsls r3, r3, #6 80005bc: 22ff movs r2, #255 ; 0xff 80005be: 401a ands r2, r3 80005c0: 1dfb adds r3, r7, #7 80005c2: 781b ldrb r3, [r3, #0] 80005c4: 0018 movs r0, r3 80005c6: 2303 movs r3, #3 80005c8: 4003 ands r3, r0 80005ca: 00db lsls r3, r3, #3 80005cc: 409a lsls r2, r3 NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | 80005ce: 4807 ldr r0, [pc, #28] ; (80005ec ) 80005d0: 1dfb adds r3, r7, #7 80005d2: 781b ldrb r3, [r3, #0] 80005d4: b25b sxtb r3, r3 80005d6: 089b lsrs r3, r3, #2 80005d8: 430a orrs r2, r1 80005da: 33c0 adds r3, #192 ; 0xc0 80005dc: 009b lsls r3, r3, #2 80005de: 501a str r2, [r3, r0] } 80005e0: 46c0 nop ; (mov r8, r8) 80005e2: 46bd mov sp, r7 80005e4: b003 add sp, #12 80005e6: bd90 pop {r4, r7, pc} 80005e8: e000ed00 .word 0xe000ed00 80005ec: e000e100 .word 0xe000e100 080005f0 : static void adc_timer_init(int psc, int ivl); static void adc_dma_launch(void); /* Mode that can be used for debugging */ void adc_configure_scope_mode(int sampling_interval_ns) { 80005f0: b580 push {r7, lr} 80005f2: b084 sub sp, #16 80005f4: af00 add r7, sp, #0 80005f6: 6078 str r0, [r7, #4] adc_dma_init(); 80005f8: f000 f84a bl 8000690 /* Clock from PCLK/4 instead of the internal exclusive high-speed RC oscillator. */ ADC1->CFGR2 = (2<) 80005fe: 2280 movs r2, #128 ; 0x80 8000600: 0612 lsls r2, r2, #24 8000602: 611a str r2, [r3, #16] /* Sampling time 239.5 ADC clock cycles -> total conversion time 38.5us*/ ADC1->SMPR = (7<) 8000606: 2207 movs r2, #7 8000608: 615a str r2, [r3, #20] /* Setup DMA and triggering */ /* Trigger from TIM1 TRGO */ ADC1->CFGR1 = ADC_CFGR1_DMAEN | ADC_CFGR1_DMACFG | (2<) 800060c: 4a1d ldr r2, [pc, #116] ; (8000684 ) 800060e: 60da str r2, [r3, #12] ADC1->CHSELR = ADC_CHSELR_CHSEL2; 8000610: 4b1b ldr r3, [pc, #108] ; (8000680 ) 8000612: 2204 movs r2, #4 8000614: 629a str r2, [r3, #40] ; 0x28 /* Perform self-calibration */ ADC1->CR |= ADC_CR_ADCAL; 8000616: 4b1a ldr r3, [pc, #104] ; (8000680 ) 8000618: 689a ldr r2, [r3, #8] 800061a: 4b19 ldr r3, [pc, #100] ; (8000680 ) 800061c: 2180 movs r1, #128 ; 0x80 800061e: 0609 lsls r1, r1, #24 8000620: 430a orrs r2, r1 8000622: 609a str r2, [r3, #8] while (ADC1->CR & ADC_CR_ADCAL) 8000624: 46c0 nop ; (mov r8, r8) 8000626: 4b16 ldr r3, [pc, #88] ; (8000680 ) 8000628: 689b ldr r3, [r3, #8] 800062a: 2b00 cmp r3, #0 800062c: dbfb blt.n 8000626 ; /* Enable conversion */ ADC1->CR |= ADC_CR_ADEN; 800062e: 4b14 ldr r3, [pc, #80] ; (8000680 ) 8000630: 689a ldr r2, [r3, #8] 8000632: 4b13 ldr r3, [pc, #76] ; (8000680 ) 8000634: 2101 movs r1, #1 8000636: 430a orrs r2, r1 8000638: 609a str r2, [r3, #8] ADC1->CR |= ADC_CR_ADSTART; 800063a: 4b11 ldr r3, [pc, #68] ; (8000680 ) 800063c: 689a ldr r2, [r3, #8] 800063e: 4b10 ldr r3, [pc, #64] ; (8000680 ) 8000640: 2104 movs r1, #4 8000642: 430a orrs r2, r1 8000644: 609a str r2, [r3, #8] /* An ADC conversion takes 1.1667us, so to be sure we don't get data overruns we limit sampling to every 1.5us. Since we don't have a spare PLL to generate the ADC sample clock and re-configuring the system clock just for this would be overkill we round to 250ns increments. The minimum sampling rate is about 60Hz due to timer resolution. */ int cycles = sampling_interval_ns > 1500 ? sampling_interval_ns/250 : 6; 8000646: 687b ldr r3, [r7, #4] 8000648: 4a0f ldr r2, [pc, #60] ; (8000688 ) 800064a: 4293 cmp r3, r2 800064c: dd06 ble.n 800065c 800064e: 687b ldr r3, [r7, #4] 8000650: 21fa movs r1, #250 ; 0xfa 8000652: 0018 movs r0, r3 8000654: f001 f9e6 bl 8001a24 <__divsi3> 8000658: 0003 movs r3, r0 800065a: e000 b.n 800065e 800065c: 2306 movs r3, #6 800065e: 60fb str r3, [r7, #12] if (cycles > 0xffff) 8000660: 68fa ldr r2, [r7, #12] 8000662: 2380 movs r3, #128 ; 0x80 8000664: 025b lsls r3, r3, #9 8000666: 429a cmp r2, r3 8000668: db01 blt.n 800066e cycles = 0xffff; 800066a: 4b08 ldr r3, [pc, #32] ; (800068c ) 800066c: 60fb str r3, [r7, #12] adc_timer_init(12/*250ns/tick*/, cycles); 800066e: 68fb ldr r3, [r7, #12] 8000670: 0019 movs r1, r3 8000672: 200c movs r0, #12 8000674: f000 f85a bl 800072c } 8000678: 46c0 nop ; (mov r8, r8) 800067a: 46bd mov sp, r7 800067c: b004 add sp, #16 800067e: bd80 pop {r7, pc} 8000680: 40012400 .word 0x40012400 8000684: 00000843 .word 0x00000843 8000688: 000005dc .word 0x000005dc 800068c: 0000ffff .word 0x0000ffff 08000690 : static void adc_dma_init() { 8000690: b580 push {r7, lr} 8000692: af00 add r7, sp, #0 /* Configure DMA 1 Channel 1 to get rid of all the data */ DMA1_Channel1->CPAR = (unsigned int)&ADC1->DR; 8000694: 4b0b ldr r3, [pc, #44] ; (80006c4 ) 8000696: 4a0c ldr r2, [pc, #48] ; (80006c8 ) 8000698: 609a str r2, [r3, #8] DMA1_Channel1->CCR = (0<) 800069c: 2200 movs r2, #0 800069e: 601a str r2, [r3, #0] DMA1_Channel1->CCR |= 80006a0: 4b08 ldr r3, [pc, #32] ; (80006c4 ) 80006a2: 681a ldr r2, [r3, #0] 80006a4: 4b07 ldr r3, [pc, #28] ; (80006c4 ) 80006a6: 4909 ldr r1, [pc, #36] ; (80006cc ) 80006a8: 430a orrs r2, r1 80006aa: 601a str r2, [r3, #0] | (1< NVIC_SetPriority(DMA1_Channel1_IRQn, 2<<5); 80006b2: 2140 movs r1, #64 ; 0x40 80006b4: 2009 movs r0, #9 80006b6: f7ff ff2d bl 8000514 adc_dma_launch(); 80006ba: f000 f809 bl 80006d0 } 80006be: 46c0 nop ; (mov r8, r8) 80006c0: 46bd mov sp, r7 80006c2: bd80 pop {r7, pc} 80006c4: 40020008 .word 0x40020008 80006c8: 40012440 .word 0x40012440 80006cc: 00000582 .word 0x00000582 080006d0 : void adc_dma_launch() { 80006d0: b580 push {r7, lr} 80006d2: af00 add r7, sp, #0 DMA1_Channel1->CCR &= ~DMA_CCR_EN; /* Disable channel */ 80006d4: 4b12 ldr r3, [pc, #72] ; (8000720 ) 80006d6: 681a ldr r2, [r3, #0] 80006d8: 4b11 ldr r3, [pc, #68] ; (8000720 ) 80006da: 2101 movs r1, #1 80006dc: 438a bics r2, r1 80006de: 601a str r2, [r3, #0] current_buf = !current_buf; 80006e0: 4b10 ldr r3, [pc, #64] ; (8000724 ) 80006e2: 681b ldr r3, [r3, #0] 80006e4: 425a negs r2, r3 80006e6: 4153 adcs r3, r2 80006e8: b2db uxtb r3, r3 80006ea: 001a movs r2, r3 80006ec: 4b0d ldr r3, [pc, #52] ; (8000724 ) 80006ee: 601a str r2, [r3, #0] DMA1_Channel1->CMAR = (unsigned int)&(adc_pkt[current_buf].data); 80006f0: 4b0c ldr r3, [pc, #48] ; (8000724 ) 80006f2: 681a ldr r2, [r3, #0] 80006f4: 0013 movs r3, r2 80006f6: 00db lsls r3, r3, #3 80006f8: 189b adds r3, r3, r2 80006fa: 00db lsls r3, r3, #3 80006fc: 3308 adds r3, #8 80006fe: 001a movs r2, r3 8000700: 4b09 ldr r3, [pc, #36] ; (8000728 ) 8000702: 18d2 adds r2, r2, r3 8000704: 4b06 ldr r3, [pc, #24] ; (8000720 ) 8000706: 60da str r2, [r3, #12] DMA1_Channel1->CNDTR = ARRAY_LEN(adc_pkt[current_buf].data); 8000708: 4b05 ldr r3, [pc, #20] ; (8000720 ) 800070a: 2220 movs r2, #32 800070c: 605a str r2, [r3, #4] DMA1_Channel1->CCR |= DMA_CCR_EN; /* Enable channel */ 800070e: 4b04 ldr r3, [pc, #16] ; (8000720 ) 8000710: 681a ldr r2, [r3, #0] 8000712: 4b03 ldr r3, [pc, #12] ; (8000720 ) 8000714: 2101 movs r1, #1 8000716: 430a orrs r2, r1 8000718: 601a str r2, [r3, #0] } 800071a: 46c0 nop ; (mov r8, r8) 800071c: 46bd mov sp, r7 800071e: bd80 pop {r7, pc} 8000720: 40020008 .word 0x40020008 8000724: 20000134 .word 0x20000134 8000728: 200000a0 .word 0x200000a0 0800072c : static void adc_timer_init(int psc, int ivl) { 800072c: b580 push {r7, lr} 800072e: b082 sub sp, #8 8000730: af00 add r7, sp, #0 8000732: 6078 str r0, [r7, #4] 8000734: 6039 str r1, [r7, #0] TIM1->BDTR = TIM_BDTR_MOE; /* MOE is needed even though we only "output" a chip-internal signal TODO: Verify this. */ 8000736: 4b15 ldr r3, [pc, #84] ; (800078c ) 8000738: 2280 movs r2, #128 ; 0x80 800073a: 0212 lsls r2, r2, #8 800073c: 645a str r2, [r3, #68] ; 0x44 TIM1->CCMR2 = (6<) 8000740: 22c0 movs r2, #192 ; 0xc0 8000742: 01d2 lsls r2, r2, #7 8000744: 61da str r2, [r3, #28] TIM1->CCER = TIM_CCER_CC4E; /* Enable capture/compare unit 4 connected to ADC */ 8000746: 4b11 ldr r3, [pc, #68] ; (800078c ) 8000748: 2280 movs r2, #128 ; 0x80 800074a: 0152 lsls r2, r2, #5 800074c: 621a str r2, [r3, #32] TIM1->CCR4 = 1; /* Trigger at start of timer cycle */ 800074e: 4b0f ldr r3, [pc, #60] ; (800078c ) 8000750: 2201 movs r2, #1 8000752: 641a str r2, [r3, #64] ; 0x40 /* Set prescaler and interval */ TIM1->PSC = psc-1; 8000754: 687b ldr r3, [r7, #4] 8000756: 1e5a subs r2, r3, #1 8000758: 4b0c ldr r3, [pc, #48] ; (800078c ) 800075a: 629a str r2, [r3, #40] ; 0x28 TIM1->ARR = ivl-1; 800075c: 683b ldr r3, [r7, #0] 800075e: 1e5a subs r2, r3, #1 8000760: 4b0a ldr r3, [pc, #40] ; (800078c ) 8000762: 62da str r2, [r3, #44] ; 0x2c /* Preload all values */ TIM1->EGR |= TIM_EGR_UG; 8000764: 4b09 ldr r3, [pc, #36] ; (800078c ) 8000766: 695a ldr r2, [r3, #20] 8000768: 4b08 ldr r3, [pc, #32] ; (800078c ) 800076a: 2101 movs r1, #1 800076c: 430a orrs r2, r1 800076e: 615a str r2, [r3, #20] TIM1->CR1 = TIM_CR1_ARPE; 8000770: 4b06 ldr r3, [pc, #24] ; (800078c ) 8000772: 2280 movs r2, #128 ; 0x80 8000774: 601a str r2, [r3, #0] /* And... go! */ TIM1->CR1 |= TIM_CR1_CEN; 8000776: 4b05 ldr r3, [pc, #20] ; (800078c ) 8000778: 681a ldr r2, [r3, #0] 800077a: 4b04 ldr r3, [pc, #16] ; (800078c ) 800077c: 2101 movs r1, #1 800077e: 430a orrs r2, r1 8000780: 601a str r2, [r3, #0] } 8000782: 46c0 nop ; (mov r8, r8) 8000784: 46bd mov sp, r7 8000786: b002 add sp, #8 8000788: bd80 pop {r7, pc} 800078a: 46c0 nop ; (mov r8, r8) 800078c: 40012c00 .word 0x40012c00 08000790 : /* This acts as a no-op that provides a convenient point to set a breakpoint for the debug scope logic */ static void gdb_dump(void) { 8000790: b580 push {r7, lr} 8000792: af00 add r7, sp, #0 } 8000794: 46c0 nop ; (mov r8, r8) 8000796: 46bd mov sp, r7 8000798: bd80 pop {r7, pc} 0800079a : void DMA1_Channel1_IRQHandler(void) { 800079a: b580 push {r7, lr} 800079c: b082 sub sp, #8 800079e: af00 add r7, sp, #0 uint32_t isr = DMA1->ISR; 80007a0: 4b1a ldr r3, [pc, #104] ; (800080c ) 80007a2: 681b ldr r3, [r3, #0] 80007a4: 607b str r3, [r7, #4] /* Clear the interrupt flag */ DMA1->IFCR |= DMA_IFCR_CGIF1; 80007a6: 4b19 ldr r3, [pc, #100] ; (800080c ) 80007a8: 685a ldr r2, [r3, #4] 80007aa: 4b18 ldr r3, [pc, #96] ; (800080c ) 80007ac: 2101 movs r1, #1 80007ae: 430a orrs r2, r1 80007b0: 605a str r2, [r3, #4] adc_dma_launch(); 80007b2: f7ff ff8d bl 80006d0 gdb_dump(); 80007b6: f7ff ffeb bl 8000790 adc_pkt[!current_buf].seq = current_seq++; 80007ba: 4b15 ldr r3, [pc, #84] ; (8000810 ) 80007bc: 881a ldrh r2, [r3, #0] 80007be: 1c53 adds r3, r2, #1 80007c0: b299 uxth r1, r3 80007c2: 4b13 ldr r3, [pc, #76] ; (8000810 ) 80007c4: 8019 strh r1, [r3, #0] 80007c6: 4b13 ldr r3, [pc, #76] ; (8000814 ) 80007c8: 681b ldr r3, [r3, #0] 80007ca: 4259 negs r1, r3 80007cc: 414b adcs r3, r1 80007ce: b2db uxtb r3, r3 80007d0: 0018 movs r0, r3 80007d2: 4911 ldr r1, [pc, #68] ; (8000818 ) 80007d4: 0003 movs r3, r0 80007d6: 00db lsls r3, r3, #3 80007d8: 181b adds r3, r3, r0 80007da: 00db lsls r3, r3, #3 80007dc: 18cb adds r3, r1, r3 80007de: 3306 adds r3, #6 80007e0: 801a strh r2, [r3, #0] /* Ignore return value since we can't do anything here. Overruns are logged in serial.c. */ usart_send_packet_nonblocking(&adc_pkt[!current_buf].ll, sizeof(adc_pkt[!current_buf])); 80007e2: 4b0c ldr r3, [pc, #48] ; (8000814 ) 80007e4: 681b ldr r3, [r3, #0] 80007e6: 425a negs r2, r3 80007e8: 4153 adcs r3, r2 80007ea: b2db uxtb r3, r3 80007ec: 001a movs r2, r3 80007ee: 0013 movs r3, r2 80007f0: 00db lsls r3, r3, #3 80007f2: 189b adds r3, r3, r2 80007f4: 00db lsls r3, r3, #3 80007f6: 4a08 ldr r2, [pc, #32] ; (8000818 ) 80007f8: 189b adds r3, r3, r2 80007fa: 2148 movs r1, #72 ; 0x48 80007fc: 0018 movs r0, r3 80007fe: f000 fadd bl 8000dbc adc_buf[i] = -255; } } } */ } 8000802: 46c0 nop ; (mov r8, r8) 8000804: 46bd mov sp, r7 8000806: b002 add sp, #8 8000808: bd80 pop {r7, pc} 800080a: 46c0 nop ; (mov r8, r8) 800080c: 40020000 .word 0x40020000 8000810: 20000130 .word 0x20000130 8000814: 20000134 .word 0x20000134 8000818: 200000a0 .word 0x200000a0 0800081c : { 800081c: b580 push {r7, lr} 800081e: b082 sub sp, #8 8000820: af00 add r7, sp, #0 8000822: 0002 movs r2, r0 8000824: 1dfb adds r3, r7, #7 8000826: 701a strb r2, [r3, #0] NVIC->ISER[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); 8000828: 1dfb adds r3, r7, #7 800082a: 781b ldrb r3, [r3, #0] 800082c: 001a movs r2, r3 800082e: 231f movs r3, #31 8000830: 401a ands r2, r3 8000832: 4b04 ldr r3, [pc, #16] ; (8000844 ) 8000834: 2101 movs r1, #1 8000836: 4091 lsls r1, r2 8000838: 000a movs r2, r1 800083a: 601a str r2, [r3, #0] } 800083c: 46c0 nop ; (mov r8, r8) 800083e: 46bd mov sp, r7 8000840: b002 add sp, #8 8000842: bd80 pop {r7, pc} 8000844: e000e100 .word 0xe000e100 08000848 : { 8000848: b580 push {r7, lr} 800084a: b082 sub sp, #8 800084c: af00 add r7, sp, #0 800084e: 0002 movs r2, r0 8000850: 1dfb adds r3, r7, #7 8000852: 701a strb r2, [r3, #0] NVIC->ICER[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); 8000854: 1dfb adds r3, r7, #7 8000856: 781b ldrb r3, [r3, #0] 8000858: 001a movs r2, r3 800085a: 231f movs r3, #31 800085c: 4013 ands r3, r2 800085e: 4905 ldr r1, [pc, #20] ; (8000874 ) 8000860: 2201 movs r2, #1 8000862: 409a lsls r2, r3 8000864: 0013 movs r3, r2 8000866: 2280 movs r2, #128 ; 0x80 8000868: 508b str r3, [r1, r2] } 800086a: 46c0 nop ; (mov r8, r8) 800086c: 46bd mov sp, r7 800086e: b002 add sp, #8 8000870: bd80 pop {r7, pc} 8000872: 46c0 nop ; (mov r8, r8) 8000874: e000e100 .word 0xe000e100 08000878 : { 8000878: b590 push {r4, r7, lr} 800087a: b083 sub sp, #12 800087c: af00 add r7, sp, #0 800087e: 0002 movs r2, r0 8000880: 6039 str r1, [r7, #0] 8000882: 1dfb adds r3, r7, #7 8000884: 701a strb r2, [r3, #0] if ((int32_t)(IRQn) < 0) 8000886: 1dfb adds r3, r7, #7 8000888: 781b ldrb r3, [r3, #0] 800088a: 2b7f cmp r3, #127 ; 0x7f 800088c: d932 bls.n 80008f4 SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | 800088e: 4a2f ldr r2, [pc, #188] ; (800094c ) 8000890: 1dfb adds r3, r7, #7 8000892: 781b ldrb r3, [r3, #0] 8000894: 0019 movs r1, r3 8000896: 230f movs r3, #15 8000898: 400b ands r3, r1 800089a: 3b08 subs r3, #8 800089c: 089b lsrs r3, r3, #2 800089e: 3306 adds r3, #6 80008a0: 009b lsls r3, r3, #2 80008a2: 18d3 adds r3, r2, r3 80008a4: 3304 adds r3, #4 80008a6: 681b ldr r3, [r3, #0] 80008a8: 1dfa adds r2, r7, #7 80008aa: 7812 ldrb r2, [r2, #0] 80008ac: 0011 movs r1, r2 80008ae: 2203 movs r2, #3 80008b0: 400a ands r2, r1 80008b2: 00d2 lsls r2, r2, #3 80008b4: 21ff movs r1, #255 ; 0xff 80008b6: 4091 lsls r1, r2 80008b8: 000a movs r2, r1 80008ba: 43d2 mvns r2, r2 80008bc: 401a ands r2, r3 80008be: 0011 movs r1, r2 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn))); 80008c0: 683b ldr r3, [r7, #0] 80008c2: 019b lsls r3, r3, #6 80008c4: 22ff movs r2, #255 ; 0xff 80008c6: 401a ands r2, r3 80008c8: 1dfb adds r3, r7, #7 80008ca: 781b ldrb r3, [r3, #0] 80008cc: 0018 movs r0, r3 80008ce: 2303 movs r3, #3 80008d0: 4003 ands r3, r0 80008d2: 00db lsls r3, r3, #3 80008d4: 409a lsls r2, r3 SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | 80008d6: 481d ldr r0, [pc, #116] ; (800094c ) 80008d8: 1dfb adds r3, r7, #7 80008da: 781b ldrb r3, [r3, #0] 80008dc: 001c movs r4, r3 80008de: 230f movs r3, #15 80008e0: 4023 ands r3, r4 80008e2: 3b08 subs r3, #8 80008e4: 089b lsrs r3, r3, #2 80008e6: 430a orrs r2, r1 80008e8: 3306 adds r3, #6 80008ea: 009b lsls r3, r3, #2 80008ec: 18c3 adds r3, r0, r3 80008ee: 3304 adds r3, #4 80008f0: 601a str r2, [r3, #0] } 80008f2: e027 b.n 8000944 NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | 80008f4: 4a16 ldr r2, [pc, #88] ; (8000950 ) 80008f6: 1dfb adds r3, r7, #7 80008f8: 781b ldrb r3, [r3, #0] 80008fa: b25b sxtb r3, r3 80008fc: 089b lsrs r3, r3, #2 80008fe: 33c0 adds r3, #192 ; 0xc0 8000900: 009b lsls r3, r3, #2 8000902: 589b ldr r3, [r3, r2] 8000904: 1dfa adds r2, r7, #7 8000906: 7812 ldrb r2, [r2, #0] 8000908: 0011 movs r1, r2 800090a: 2203 movs r2, #3 800090c: 400a ands r2, r1 800090e: 00d2 lsls r2, r2, #3 8000910: 21ff movs r1, #255 ; 0xff 8000912: 4091 lsls r1, r2 8000914: 000a movs r2, r1 8000916: 43d2 mvns r2, r2 8000918: 401a ands r2, r3 800091a: 0011 movs r1, r2 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn))); 800091c: 683b ldr r3, [r7, #0] 800091e: 019b lsls r3, r3, #6 8000920: 22ff movs r2, #255 ; 0xff 8000922: 401a ands r2, r3 8000924: 1dfb adds r3, r7, #7 8000926: 781b ldrb r3, [r3, #0] 8000928: 0018 movs r0, r3 800092a: 2303 movs r3, #3 800092c: 4003 ands r3, r0 800092e: 00db lsls r3, r3, #3 8000930: 409a lsls r2, r3 NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | 8000932: 4807 ldr r0, [pc, #28] ; (8000950 ) 8000934: 1dfb adds r3, r7, #7 8000936: 781b ldrb r3, [r3, #0] 8000938: b25b sxtb r3, r3 800093a: 089b lsrs r3, r3, #2 800093c: 430a orrs r2, r1 800093e: 33c0 adds r3, #192 ; 0xc0 8000940: 009b lsls r3, r3, #2 8000942: 501a str r2, [r3, r0] } 8000944: 46c0 nop ; (mov r8, r8) 8000946: 46bd mov sp, r7 8000948: b003 add sp, #12 800094a: bd90 pop {r4, r7, pc} 800094c: e000ed00 .word 0xe000ed00 8000950: e000e100 .word 0xe000e100 08000954 : static void usart_schedule_dma(void); static int usart_putc_nonblocking(uint8_t c); static int usart_retransmit_packet(uint8_t idx); void usart_dma_init() { 8000954: b580 push {r7, lr} 8000956: b082 sub sp, #8 8000958: af00 add r7, sp, #0 usart_tx_buf.xfr_start = -1; 800095a: 4b2a ldr r3, [pc, #168] ; (8000a04 ) 800095c: 2201 movs r2, #1 800095e: 4252 negs r2, r2 8000960: 601a str r2, [r3, #0] usart_tx_buf.xfr_end = 0; 8000962: 4b28 ldr r3, [pc, #160] ; (8000a04 ) 8000964: 2200 movs r2, #0 8000966: 605a str r2, [r3, #4] usart_tx_buf.wr_pos = 0; 8000968: 4b26 ldr r3, [pc, #152] ; (8000a04 ) 800096a: 2200 movs r2, #0 800096c: 609a str r2, [r3, #8] for (size_t i=0; i usart_tx_buf.packet_start[i] = -1; 8000974: 4a23 ldr r2, [pc, #140] ; (8000a04 ) 8000976: 687b ldr r3, [r7, #4] 8000978: 3302 adds r3, #2 800097a: 009b lsls r3, r3, #2 800097c: 18d3 adds r3, r2, r3 800097e: 3304 adds r3, #4 8000980: 2201 movs r2, #1 8000982: 4252 negs r2, r2 8000984: 601a str r2, [r3, #0] for (size_t i=0; i cobs_decode_incremental_initialize(&cobs_state); 8000992: 4b1d ldr r3, [pc, #116] ; (8000a08 ) 8000994: 0018 movs r0, r3 8000996: f000 fb6b bl 8001070 /* Configure DMA 1 Channel 2 to handle uart transmission */ DMA1_Channel2->CPAR = (uint32_t)&(USART1->TDR); 800099a: 4b1c ldr r3, [pc, #112] ; (8000a0c ) 800099c: 4a1c ldr r2, [pc, #112] ; (8000a10 ) 800099e: 609a str r2, [r3, #8] DMA1_Channel2->CCR = (0<) 80009a2: 2292 movs r2, #146 ; 0x92 80009a4: 601a str r2, [r3, #0] | (0<CMAR = (uint32_t)&(CRC->DR); 80009a6: 4b1b ldr r3, [pc, #108] ; (8000a14 ) 80009a8: 4a1b ldr r2, [pc, #108] ; (8000a18 ) 80009aa: 60da str r2, [r3, #12] DMA1_Channel3->CCR = (1<) 80009ae: 4a1b ldr r2, [pc, #108] ; (8000a1c ) 80009b0: 601a str r2, [r3, #0] | (0< NVIC_SetPriority(DMA1_Channel2_3_IRQn, 1<<5); 80009b8: 2120 movs r1, #32 80009ba: 200a movs r0, #10 80009bc: f7ff ff5c bl 8000878 USART1->CR1 = /* 8-bit -> M1, M0 clear */ 80009c0: 4b17 ldr r3, [pc, #92] ; (8000a20 ) 80009c2: 4a18 ldr r2, [pc, #96] ; (8000a24 ) 80009c4: 601a str r2, [r3, #0] /* Set divider for 115.2kBd @48MHz system clock. */ //USART1->BRR = 417; //USART1->BRR = 48; /* 1MBd */ //USART1->BRR = 96; /* 500kBd */ USART1->BRR = 192; /* 250kBd */ 80009c6: 4b16 ldr r3, [pc, #88] ; (8000a20 ) 80009c8: 22c0 movs r2, #192 ; 0xc0 80009ca: 60da str r2, [r3, #12] //USART1->BRR = 208; /* 230400 */ USART1->CR2 = USART_CR2_TXINV | USART_CR2_RXINV; 80009cc: 4b14 ldr r3, [pc, #80] ; (8000a20 ) 80009ce: 22c0 movs r2, #192 ; 0xc0 80009d0: 0292 lsls r2, r2, #10 80009d2: 605a str r2, [r3, #4] USART1->CR3 |= USART_CR3_DMAT; /* TX DMA enable */ 80009d4: 4b12 ldr r3, [pc, #72] ; (8000a20 ) 80009d6: 689a ldr r2, [r3, #8] 80009d8: 4b11 ldr r3, [pc, #68] ; (8000a20 ) 80009da: 2180 movs r1, #128 ; 0x80 80009dc: 430a orrs r2, r1 80009de: 609a str r2, [r3, #8] /* Enable receive interrupt */ NVIC_EnableIRQ(USART1_IRQn); 80009e0: 201b movs r0, #27 80009e2: f7ff ff1b bl 800081c NVIC_SetPriority(USART1_IRQn, 3<<5); 80009e6: 2160 movs r1, #96 ; 0x60 80009e8: 201b movs r0, #27 80009ea: f7ff ff45 bl 8000878 /* And... go! */ USART1->CR1 |= USART_CR1_UE; 80009ee: 4b0c ldr r3, [pc, #48] ; (8000a20 ) 80009f0: 681a ldr r2, [r3, #0] 80009f2: 4b0b ldr r3, [pc, #44] ; (8000a20 ) 80009f4: 2101 movs r1, #1 80009f6: 430a orrs r2, r1 80009f8: 601a str r2, [r3, #0] } 80009fa: 46c0 nop ; (mov r8, r8) 80009fc: 46bd mov sp, r7 80009fe: b002 add sp, #8 8000a00: bd80 pop {r7, pc} 8000a02: 46c0 nop ; (mov r8, r8) 8000a04: 20000198 .word 0x20000198 8000a08: 20000148 .word 0x20000148 8000a0c: 4002001c .word 0x4002001c 8000a10: 40013828 .word 0x40013828 8000a14: 40020030 .word 0x40020030 8000a18: 40023000 .word 0x40023000 8000a1c: 00001042 .word 0x00001042 8000a20: 40013800 .word 0x40013800 8000a24: 0000202c .word 0x0000202c 08000a28 : void USART1_IRQHandler() { 8000a28: b580 push {r7, lr} 8000a2a: b086 sub sp, #24 8000a2c: af00 add r7, sp, #0 uint32_t isr = USART1->ISR; 8000a2e: 4b41 ldr r3, [pc, #260] ; (8000b34 ) 8000a30: 69db ldr r3, [r3, #28] 8000a32: 613b str r3, [r7, #16] if (isr & USART_ISR_ORE) { 8000a34: 693b ldr r3, [r7, #16] 8000a36: 2208 movs r2, #8 8000a38: 4013 ands r3, r2 8000a3a: d008 beq.n 8000a4e USART1->ICR = USART_ICR_ORECF; 8000a3c: 4b3d ldr r3, [pc, #244] ; (8000b34 ) 8000a3e: 2208 movs r2, #8 8000a40: 621a str r2, [r3, #32] rx_overruns++; 8000a42: 4b3d ldr r3, [pc, #244] ; (8000b38 ) 8000a44: 681b ldr r3, [r3, #0] 8000a46: 1c5a adds r2, r3, #1 8000a48: 4b3b ldr r3, [pc, #236] ; (8000b38 ) 8000a4a: 601a str r2, [r3, #0] return; 8000a4c: e06f b.n 8000b2e } if (isr & USART_ISR_RXNE) { 8000a4e: 693b ldr r3, [r7, #16] 8000a50: 2220 movs r2, #32 8000a52: 4013 ands r3, r2 8000a54: d100 bne.n 8000a58 8000a56: e06a b.n 8000b2e uint8_t c = USART1->RDR; 8000a58: 4b36 ldr r3, [pc, #216] ; (8000b34 ) 8000a5a: 8c9b ldrh r3, [r3, #36] ; 0x24 8000a5c: b29a uxth r2, r3 8000a5e: 210f movs r1, #15 8000a60: 187b adds r3, r7, r1 8000a62: 701a strb r2, [r3, #0] int rc = cobs_decode_incremental(&cobs_state, (char *)rx_buf, sizeof(rx_buf), c); 8000a64: 187b adds r3, r7, r1 8000a66: 781b ldrb r3, [r3, #0] 8000a68: 4934 ldr r1, [pc, #208] ; (8000b3c ) 8000a6a: 4835 ldr r0, [pc, #212] ; (8000b40 ) 8000a6c: 2220 movs r2, #32 8000a6e: f000 fb0d bl 800108c 8000a72: 0003 movs r3, r0 8000a74: 60bb str r3, [r7, #8] if (rc == 0) /* packet still incomplete */ 8000a76: 68bb ldr r3, [r7, #8] 8000a78: 2b00 cmp r3, #0 8000a7a: d057 beq.n 8000b2c return; if (rc < 0) { 8000a7c: 68bb ldr r3, [r7, #8] 8000a7e: 2b00 cmp r3, #0 8000a80: da05 bge.n 8000a8e rx_framing_errors++; 8000a82: 4b30 ldr r3, [pc, #192] ; (8000b44 ) 8000a84: 681b ldr r3, [r3, #0] 8000a86: 1c5a adds r2, r3, #1 8000a88: 4b2e ldr r3, [pc, #184] ; (8000b44 ) 8000a8a: 601a str r2, [r3, #0] return; 8000a8c: e04f b.n 8000b2e } /* A complete frame received */ if (rc != 2) { 8000a8e: 68bb ldr r3, [r7, #8] 8000a90: 2b02 cmp r3, #2 8000a92: d005 beq.n 8000aa0 rx_protocol_errors++; 8000a94: 4b2c ldr r3, [pc, #176] ; (8000b48 ) 8000a96: 681b ldr r3, [r3, #0] 8000a98: 1c5a adds r2, r3, #1 8000a9a: 4b2b ldr r3, [pc, #172] ; (8000b48 ) 8000a9c: 601a str r2, [r3, #0] return; 8000a9e: e046 b.n 8000b2e } volatile struct ctrl_pkt *pkt = (volatile struct ctrl_pkt *)rx_buf; 8000aa0: 4b26 ldr r3, [pc, #152] ; (8000b3c ) 8000aa2: 607b str r3, [r7, #4] switch (pkt->type) { 8000aa4: 687b ldr r3, [r7, #4] 8000aa6: 781b ldrb r3, [r3, #0] 8000aa8: b2db uxtb r3, r3 8000aaa: 2b03 cmp r3, #3 8000aac: d026 beq.n 8000afc 8000aae: dc33 bgt.n 8000b18 8000ab0: 2b01 cmp r3, #1 8000ab2: d002 beq.n 8000aba 8000ab4: 2b02 cmp r3, #2 8000ab6: d013 beq.n 8000ae0 8000ab8: e02e b.n 8000b18 case CTRL_PKT_RESET: for (size_t i=0; i usart_tx_buf.packet_start[i] = -1; 8000ac0: 4a22 ldr r2, [pc, #136] ; (8000b4c ) 8000ac2: 697b ldr r3, [r7, #20] 8000ac4: 3302 adds r3, #2 8000ac6: 009b lsls r3, r3, #2 8000ac8: 18d3 adds r3, r2, r3 8000aca: 3304 adds r3, #4 8000acc: 2201 movs r2, #1 8000ace: 4252 negs r2, r2 8000ad0: 601a str r2, [r3, #0] for (size_t i=0; i break; 8000ade: e024 b.n 8000b2a case CTRL_PKT_ACK: if (usart_ack_packet(pkt->orig_id)) 8000ae0: 687b ldr r3, [r7, #4] 8000ae2: 785b ldrb r3, [r3, #1] 8000ae4: b2db uxtb r3, r3 8000ae6: 0018 movs r0, r3 8000ae8: f000 f86c bl 8000bc4 8000aec: 1e03 subs r3, r0, #0 8000aee: d019 beq.n 8000b24 rx_protocol_errors++; 8000af0: 4b15 ldr r3, [pc, #84] ; (8000b48 ) 8000af2: 681b ldr r3, [r3, #0] 8000af4: 1c5a adds r2, r3, #1 8000af6: 4b14 ldr r3, [pc, #80] ; (8000b48 ) 8000af8: 601a str r2, [r3, #0] break; 8000afa: e013 b.n 8000b24 case CTRL_PKT_RETRANSMIT: if (usart_retransmit_packet(pkt->orig_id)) 8000afc: 687b ldr r3, [r7, #4] 8000afe: 785b ldrb r3, [r3, #1] 8000b00: b2db uxtb r3, r3 8000b02: 0018 movs r0, r3 8000b04: f000 f904 bl 8000d10 8000b08: 1e03 subs r3, r0, #0 8000b0a: d00d beq.n 8000b28 rx_protocol_errors++; 8000b0c: 4b0e ldr r3, [pc, #56] ; (8000b48 ) 8000b0e: 681b ldr r3, [r3, #0] 8000b10: 1c5a adds r2, r3, #1 8000b12: 4b0d ldr r3, [pc, #52] ; (8000b48 ) 8000b14: 601a str r2, [r3, #0] break; 8000b16: e007 b.n 8000b28 default: rx_protocol_errors++; 8000b18: 4b0b ldr r3, [pc, #44] ; (8000b48 ) 8000b1a: 681b ldr r3, [r3, #0] 8000b1c: 1c5a adds r2, r3, #1 8000b1e: 4b0a ldr r3, [pc, #40] ; (8000b48 ) 8000b20: 601a str r2, [r3, #0] } return; 8000b22: e004 b.n 8000b2e break; 8000b24: 46c0 nop ; (mov r8, r8) 8000b26: e002 b.n 8000b2e break; 8000b28: 46c0 nop ; (mov r8, r8) return; 8000b2a: e000 b.n 8000b2e return; 8000b2c: 46c0 nop ; (mov r8, r8) } } 8000b2e: 46bd mov sp, r7 8000b30: b006 add sp, #24 8000b32: bd80 pop {r7, pc} 8000b34: 40013800 .word 0x40013800 8000b38: 2000013c .word 0x2000013c 8000b3c: 20000150 .word 0x20000150 8000b40: 20000148 .word 0x20000148 8000b44: 20000140 .word 0x20000140 8000b48: 20000144 .word 0x20000144 8000b4c: 20000198 .word 0x20000198 08000b50 : void usart_schedule_dma() { 8000b50: b580 push {r7, lr} 8000b52: b084 sub sp, #16 8000b54: af00 add r7, sp, #0 /* This function is only called when the DMA channel is disabled. This means we don't have to guard it in IRQ * disables. */ volatile struct dma_tx_buf *buf = &usart_tx_buf; 8000b56: 4b19 ldr r3, [pc, #100] ; (8000bbc ) 8000b58: 60bb str r3, [r7, #8] ssize_t xfr_len, xfr_start = buf->xfr_end; 8000b5a: 68bb ldr r3, [r7, #8] 8000b5c: 685b ldr r3, [r3, #4] 8000b5e: 607b str r3, [r7, #4] if (buf->wr_pos > xfr_start) /* no wraparound */ 8000b60: 68bb ldr r3, [r7, #8] 8000b62: 689b ldr r3, [r3, #8] 8000b64: 687a ldr r2, [r7, #4] 8000b66: 429a cmp r2, r3 8000b68: da05 bge.n 8000b76 xfr_len = buf->wr_pos - xfr_start; 8000b6a: 68bb ldr r3, [r7, #8] 8000b6c: 689a ldr r2, [r3, #8] 8000b6e: 687b ldr r3, [r7, #4] 8000b70: 1ad3 subs r3, r2, r3 8000b72: 60fb str r3, [r7, #12] 8000b74: e004 b.n 8000b80 else /* wraparound */ xfr_len = sizeof(buf->data) - xfr_start; /* schedule transfer until end of buffer */ 8000b76: 687b ldr r3, [r7, #4] 8000b78: 2280 movs r2, #128 ; 0x80 8000b7a: 0092 lsls r2, r2, #2 8000b7c: 1ad3 subs r3, r2, r3 8000b7e: 60fb str r3, [r7, #12] buf->xfr_start = xfr_start; 8000b80: 68bb ldr r3, [r7, #8] 8000b82: 687a ldr r2, [r7, #4] 8000b84: 601a str r2, [r3, #0] buf->xfr_end = (xfr_start + xfr_len) % sizeof(buf->data); /* handle wraparound */ 8000b86: 687a ldr r2, [r7, #4] 8000b88: 68fb ldr r3, [r7, #12] 8000b8a: 18d3 adds r3, r2, r3 8000b8c: 05db lsls r3, r3, #23 8000b8e: 0dda lsrs r2, r3, #23 8000b90: 68bb ldr r3, [r7, #8] 8000b92: 605a str r2, [r3, #4] /* initiate transmission of new buffer */ DMA1_Channel2->CMAR = (uint32_t)(buf->data + xfr_start); 8000b94: 68bb ldr r3, [r7, #8] 8000b96: 3320 adds r3, #32 8000b98: 001a movs r2, r3 8000b9a: 687b ldr r3, [r7, #4] 8000b9c: 18d2 adds r2, r2, r3 8000b9e: 4b08 ldr r3, [pc, #32] ; (8000bc0 ) 8000ba0: 60da str r2, [r3, #12] DMA1_Channel2->CNDTR = xfr_len; 8000ba2: 4b07 ldr r3, [pc, #28] ; (8000bc0 ) 8000ba4: 68fa ldr r2, [r7, #12] 8000ba6: 605a str r2, [r3, #4] DMA1_Channel2->CCR |= DMA_CCR_EN; 8000ba8: 4b05 ldr r3, [pc, #20] ; (8000bc0 ) 8000baa: 681a ldr r2, [r3, #0] 8000bac: 4b04 ldr r3, [pc, #16] ; (8000bc0 ) 8000bae: 2101 movs r1, #1 8000bb0: 430a orrs r2, r1 8000bb2: 601a str r2, [r3, #0] } 8000bb4: 46c0 nop ; (mov r8, r8) 8000bb6: 46bd mov sp, r7 8000bb8: b004 add sp, #16 8000bba: bd80 pop {r7, pc} 8000bbc: 20000198 .word 0x20000198 8000bc0: 4002001c .word 0x4002001c 08000bc4 : int usart_ack_packet(uint8_t idx) { 8000bc4: b580 push {r7, lr} 8000bc6: b082 sub sp, #8 8000bc8: af00 add r7, sp, #0 8000bca: 0002 movs r2, r0 8000bcc: 1dfb adds r3, r7, #7 8000bce: 701a strb r2, [r3, #0] if (idx > ARRAY_LEN(usart_tx_buf.packet_start)) 8000bd0: 1dfb adds r3, r7, #7 8000bd2: 781b ldrb r3, [r3, #0] 8000bd4: 2b05 cmp r3, #5 8000bd6: d902 bls.n 8000bde return -EINVAL; 8000bd8: 2316 movs r3, #22 8000bda: 425b negs r3, r3 8000bdc: e00a b.n 8000bf4 usart_tx_buf.packet_start[idx] = -1; 8000bde: 1dfb adds r3, r7, #7 8000be0: 781b ldrb r3, [r3, #0] 8000be2: 4a06 ldr r2, [pc, #24] ; (8000bfc ) 8000be4: 3302 adds r3, #2 8000be6: 009b lsls r3, r3, #2 8000be8: 18d3 adds r3, r2, r3 8000bea: 3304 adds r3, #4 8000bec: 2201 movs r2, #1 8000bee: 4252 negs r2, r2 8000bf0: 601a str r2, [r3, #0] return 0; 8000bf2: 2300 movs r3, #0 } 8000bf4: 0018 movs r0, r3 8000bf6: 46bd mov sp, r7 8000bf8: b002 add sp, #8 8000bfa: bd80 pop {r7, pc} 8000bfc: 20000198 .word 0x20000198 08000c00 : int usart_dma_fifo_push(volatile struct dma_tx_buf *buf, uint8_t c) { 8000c00: b580 push {r7, lr} 8000c02: b084 sub sp, #16 8000c04: af00 add r7, sp, #0 8000c06: 6078 str r0, [r7, #4] 8000c08: 000a movs r2, r1 8000c0a: 1cfb adds r3, r7, #3 8000c0c: 701a strb r2, [r3, #0] /* This function must be guarded by IRQ disable since the IRQ may schedule a new transfer and charge pos/start. */ NVIC_DisableIRQ(DMA1_Channel2_3_IRQn); 8000c0e: 200a movs r0, #10 8000c10: f7ff fe1a bl 8000848 /* If the write pointer hit any unacknowledged packet start position we can't advance it. * Packet start positions are unordered and we have to scan here. */ for (size_t i=0; ipacket_start); i++) { 8000c14: 2300 movs r3, #0 8000c16: 60fb str r3, [r7, #12] 8000c18: e013 b.n 8000c42 if (buf->wr_pos == buf->packet_start[i]) { 8000c1a: 687b ldr r3, [r7, #4] 8000c1c: 689a ldr r2, [r3, #8] 8000c1e: 6879 ldr r1, [r7, #4] 8000c20: 68fb ldr r3, [r7, #12] 8000c22: 3302 adds r3, #2 8000c24: 009b lsls r3, r3, #2 8000c26: 18cb adds r3, r1, r3 8000c28: 3304 adds r3, #4 8000c2a: 681b ldr r3, [r3, #0] 8000c2c: 429a cmp r2, r3 8000c2e: d105 bne.n 8000c3c NVIC_EnableIRQ(DMA1_Channel2_3_IRQn); 8000c30: 200a movs r0, #10 8000c32: f7ff fdf3 bl 800081c return -EBUSY; 8000c36: 2310 movs r3, #16 8000c38: 425b negs r3, r3 8000c3a: e019 b.n 8000c70 for (size_t i=0; ipacket_start); i++) { 8000c3c: 68fb ldr r3, [r7, #12] 8000c3e: 3301 adds r3, #1 8000c40: 60fb str r3, [r7, #12] 8000c42: 68fb ldr r3, [r7, #12] 8000c44: 2b04 cmp r3, #4 8000c46: d9e8 bls.n 8000c1a } } /* write byte, then increment to avoid racing the DMA ISR reading wr_pos */ buf->data[buf->wr_pos] = c; 8000c48: 687b ldr r3, [r7, #4] 8000c4a: 689b ldr r3, [r3, #8] 8000c4c: 687a ldr r2, [r7, #4] 8000c4e: 2120 movs r1, #32 8000c50: 18d3 adds r3, r2, r3 8000c52: 185b adds r3, r3, r1 8000c54: 1cfa adds r2, r7, #3 8000c56: 7812 ldrb r2, [r2, #0] 8000c58: 701a strb r2, [r3, #0] buf->wr_pos = (buf->wr_pos + 1) % sizeof(buf->data); 8000c5a: 687b ldr r3, [r7, #4] 8000c5c: 689b ldr r3, [r3, #8] 8000c5e: 3301 adds r3, #1 8000c60: 05db lsls r3, r3, #23 8000c62: 0dda lsrs r2, r3, #23 8000c64: 687b ldr r3, [r7, #4] 8000c66: 609a str r2, [r3, #8] NVIC_EnableIRQ(DMA1_Channel2_3_IRQn); 8000c68: 200a movs r0, #10 8000c6a: f7ff fdd7 bl 800081c return 0; 8000c6e: 2300 movs r3, #0 } 8000c70: 0018 movs r0, r3 8000c72: 46bd mov sp, r7 8000c74: b004 add sp, #16 8000c76: bd80 pop {r7, pc} 08000c78 : int usart_putc(uint8_t c) { 8000c78: b580 push {r7, lr} 8000c7a: b082 sub sp, #8 8000c7c: af00 add r7, sp, #0 8000c7e: 0002 movs r2, r0 8000c80: 1dfb adds r3, r7, #7 8000c82: 701a strb r2, [r3, #0] /* push char to fifo, busy-loop if stalled to wait for USART to empty fifo via DMA */ while (usart_dma_fifo_push(&usart_tx_buf, c) == -EBUSY) { 8000c84: 46c0 nop ; (mov r8, r8) 8000c86: 1dfb adds r3, r7, #7 8000c88: 781a ldrb r2, [r3, #0] 8000c8a: 4b06 ldr r3, [pc, #24] ; (8000ca4 ) 8000c8c: 0011 movs r1, r2 8000c8e: 0018 movs r0, r3 8000c90: f7ff ffb6 bl 8000c00 8000c94: 0003 movs r3, r0 8000c96: 3310 adds r3, #16 8000c98: d0f5 beq.n 8000c86 /* idle */ } return 0; 8000c9a: 2300 movs r3, #0 } 8000c9c: 0018 movs r0, r3 8000c9e: 46bd mov sp, r7 8000ca0: b002 add sp, #8 8000ca2: bd80 pop {r7, pc} 8000ca4: 20000198 .word 0x20000198 08000ca8 : int usart_putc_nonblocking(uint8_t c) { 8000ca8: b580 push {r7, lr} 8000caa: b082 sub sp, #8 8000cac: af00 add r7, sp, #0 8000cae: 0002 movs r2, r0 8000cb0: 1dfb adds r3, r7, #7 8000cb2: 701a strb r2, [r3, #0] return usart_dma_fifo_push(&usart_tx_buf, c); 8000cb4: 1dfb adds r3, r7, #7 8000cb6: 781a ldrb r2, [r3, #0] 8000cb8: 4b04 ldr r3, [pc, #16] ; (8000ccc ) 8000cba: 0011 movs r1, r2 8000cbc: 0018 movs r0, r3 8000cbe: f7ff ff9f bl 8000c00 8000cc2: 0003 movs r3, r0 } 8000cc4: 0018 movs r0, r3 8000cc6: 46bd mov sp, r7 8000cc8: b002 add sp, #8 8000cca: bd80 pop {r7, pc} 8000ccc: 20000198 .word 0x20000198 08000cd0 : void DMA1_Channel2_3_IRQHandler(void) { 8000cd0: b580 push {r7, lr} 8000cd2: af00 add r7, sp, #0 /* Transfer complete */ DMA1->IFCR |= DMA_IFCR_CTCIF2; 8000cd4: 4b0b ldr r3, [pc, #44] ; (8000d04 ) 8000cd6: 685a ldr r2, [r3, #4] 8000cd8: 4b0a ldr r3, [pc, #40] ; (8000d04 ) 8000cda: 2120 movs r1, #32 8000cdc: 430a orrs r2, r1 8000cde: 605a str r2, [r3, #4] DMA1_Channel2->CCR &= ~DMA_CCR_EN; 8000ce0: 4b09 ldr r3, [pc, #36] ; (8000d08 ) 8000ce2: 681a ldr r2, [r3, #0] 8000ce4: 4b08 ldr r3, [pc, #32] ; (8000d08 ) 8000ce6: 2101 movs r1, #1 8000ce8: 438a bics r2, r1 8000cea: 601a str r2, [r3, #0] if (usart_tx_buf.wr_pos != usart_tx_buf.xfr_end) /* buffer not empty */ 8000cec: 4b07 ldr r3, [pc, #28] ; (8000d0c ) 8000cee: 689a ldr r2, [r3, #8] 8000cf0: 4b06 ldr r3, [pc, #24] ; (8000d0c ) 8000cf2: 685b ldr r3, [r3, #4] 8000cf4: 429a cmp r2, r3 8000cf6: d001 beq.n 8000cfc usart_schedule_dma(); 8000cf8: f7ff ff2a bl 8000b50 } 8000cfc: 46c0 nop ; (mov r8, r8) 8000cfe: 46bd mov sp, r7 8000d00: bd80 pop {r7, pc} 8000d02: 46c0 nop ; (mov r8, r8) 8000d04: 40020000 .word 0x40020000 8000d08: 4002001c .word 0x4002001c 8000d0c: 20000198 .word 0x20000198 08000d10 : int usart_retransmit_packet(uint8_t idx) { 8000d10: b590 push {r4, r7, lr} 8000d12: b087 sub sp, #28 8000d14: af00 add r7, sp, #0 8000d16: 0002 movs r2, r0 8000d18: 1dfb adds r3, r7, #7 8000d1a: 701a strb r2, [r3, #0] /* Disable ADC DMA IRQ to prevent write races */ NVIC_DisableIRQ(DMA1_Channel1_IRQn); 8000d1c: 2009 movs r0, #9 8000d1e: f7ff fd93 bl 8000848 ssize_t i = usart_tx_buf.packet_start[idx]; 8000d22: 1dfb adds r3, r7, #7 8000d24: 781b ldrb r3, [r3, #0] 8000d26: 4a23 ldr r2, [pc, #140] ; (8000db4 ) 8000d28: 3302 adds r3, #2 8000d2a: 009b lsls r3, r3, #2 8000d2c: 18d3 adds r3, r2, r3 8000d2e: 3304 adds r3, #4 8000d30: 681b ldr r3, [r3, #0] 8000d32: 617b str r3, [r7, #20] ssize_t start = i; 8000d34: 697b ldr r3, [r7, #20] 8000d36: 613b str r3, [r7, #16] /* Copy packet */ uint8_t c; while ((c = usart_tx_buf.data[i++])) { 8000d38: e00f b.n 8000d5a if (usart_putc_nonblocking(c)) { 8000d3a: 230f movs r3, #15 8000d3c: 18fb adds r3, r7, r3 8000d3e: 781b ldrb r3, [r3, #0] 8000d40: 0018 movs r0, r3 8000d42: f7ff ffb1 bl 8000ca8 8000d46: 1e03 subs r3, r0, #0 8000d48: d007 beq.n 8000d5a tx_overruns++; 8000d4a: 4b1b ldr r3, [pc, #108] ; (8000db8 ) 8000d4c: 681b ldr r3, [r3, #0] 8000d4e: 1c5a adds r2, r3, #1 8000d50: 4b19 ldr r3, [pc, #100] ; (8000db8 ) 8000d52: 601a str r2, [r3, #0] return -EBUSY; 8000d54: 2310 movs r3, #16 8000d56: 425b negs r3, r3 8000d58: e028 b.n 8000dac while ((c = usart_tx_buf.data[i++])) { 8000d5a: 697b ldr r3, [r7, #20] 8000d5c: 1c5a adds r2, r3, #1 8000d5e: 617a str r2, [r7, #20] 8000d60: 240f movs r4, #15 8000d62: 193a adds r2, r7, r4 8000d64: 4913 ldr r1, [pc, #76] ; (8000db4 ) 8000d66: 2020 movs r0, #32 8000d68: 18cb adds r3, r1, r3 8000d6a: 181b adds r3, r3, r0 8000d6c: 781b ldrb r3, [r3, #0] 8000d6e: 7013 strb r3, [r2, #0] 8000d70: 193b adds r3, r7, r4 8000d72: 781b ldrb r3, [r3, #0] 8000d74: 2b00 cmp r3, #0 8000d76: d1e0 bne.n 8000d3a } } /* Terminating null byte */ if (usart_putc_nonblocking(0)) { 8000d78: 2000 movs r0, #0 8000d7a: f7ff ff95 bl 8000ca8 8000d7e: 1e03 subs r3, r0, #0 8000d80: d007 beq.n 8000d92 tx_overruns++; 8000d82: 4b0d ldr r3, [pc, #52] ; (8000db8 ) 8000d84: 681b ldr r3, [r3, #0] 8000d86: 1c5a adds r2, r3, #1 8000d88: 4b0b ldr r3, [pc, #44] ; (8000db8 ) 8000d8a: 601a str r2, [r3, #0] return -EBUSY; 8000d8c: 2310 movs r3, #16 8000d8e: 425b negs r3, r3 8000d90: e00c b.n 8000dac } /* Update start index */ usart_tx_buf.packet_start[idx] = start; 8000d92: 1dfb adds r3, r7, #7 8000d94: 781b ldrb r3, [r3, #0] 8000d96: 4a07 ldr r2, [pc, #28] ; (8000db4 ) 8000d98: 3302 adds r3, #2 8000d9a: 009b lsls r3, r3, #2 8000d9c: 18d3 adds r3, r2, r3 8000d9e: 3304 adds r3, #4 8000da0: 693a ldr r2, [r7, #16] 8000da2: 601a str r2, [r3, #0] NVIC_EnableIRQ(DMA1_Channel1_IRQn); 8000da4: 2009 movs r0, #9 8000da6: f7ff fd39 bl 800081c return 0; 8000daa: 2300 movs r3, #0 } 8000dac: 0018 movs r0, r3 8000dae: 46bd mov sp, r7 8000db0: b007 add sp, #28 8000db2: bd90 pop {r4, r7, pc} 8000db4: 20000198 .word 0x20000198 8000db8: 20000138 .word 0x20000138 08000dbc : /* len is the packet length including headers */ int usart_send_packet_nonblocking(struct ll_pkt *pkt, size_t pkt_len) { 8000dbc: b590 push {r4, r7, lr} 8000dbe: b087 sub sp, #28 8000dc0: af00 add r7, sp, #0 8000dc2: 6078 str r0, [r7, #4] 8000dc4: 6039 str r1, [r7, #0] ssize_t start = usart_tx_buf.wr_pos; 8000dc6: 4b40 ldr r3, [pc, #256] ; (8000ec8 ) 8000dc8: 689b ldr r3, [r3, #8] 8000dca: 60fb str r3, [r7, #12] /* Find a free slot for this packet */ size_t packet_idx = 0; 8000dcc: 2300 movs r3, #0 8000dce: 617b str r3, [r7, #20] do { if (usart_tx_buf.packet_start[packet_idx] == -1) 8000dd0: 4a3d ldr r2, [pc, #244] ; (8000ec8 ) 8000dd2: 697b ldr r3, [r7, #20] 8000dd4: 3302 adds r3, #2 8000dd6: 009b lsls r3, r3, #2 8000dd8: 18d3 adds r3, r2, r3 8000dda: 3304 adds r3, #4 8000ddc: 681b ldr r3, [r3, #0] 8000dde: 3301 adds r3, #1 8000de0: d00d beq.n 8000dfe goto success; } while (++packet_idx tx_overruns++; 8000dee: 4b37 ldr r3, [pc, #220] ; (8000ecc ) 8000df0: 681b ldr r3, [r3, #0] 8000df2: 1c5a adds r2, r3, #1 8000df4: 4b35 ldr r3, [pc, #212] ; (8000ecc ) 8000df6: 601a str r2, [r3, #0] return -EBUSY; 8000df8: 2310 movs r3, #16 8000dfa: 425b negs r3, r3 8000dfc: e060 b.n 8000ec0 goto success; 8000dfe: 46c0 nop ; (mov r8, r8) success: pkt->pid = packet_idx; 8000e00: 697b ldr r3, [r7, #20] 8000e02: b2da uxtb r2, r3 8000e04: 687b ldr r3, [r7, #4] 8000e06: 711a strb r2, [r3, #4] /* make the value this wonky-ass CRC implementation produces match zlib etc. */ CRC->CR = CRC_CR_REV_OUT | (1<) 8000e0a: 22a1 movs r2, #161 ; 0xa1 8000e0c: 609a str r2, [r3, #8] for (size_t i=offsetof(struct ll_pkt, pid); i CRC->DR = ((uint8_t *)pkt)[i]; 8000e14: 687a ldr r2, [r7, #4] 8000e16: 693b ldr r3, [r7, #16] 8000e18: 18d3 adds r3, r2, r3 8000e1a: 781a ldrb r2, [r3, #0] 8000e1c: 4b2c ldr r3, [pc, #176] ; (8000ed0 ) 8000e1e: 601a str r2, [r3, #0] for (size_t i=offsetof(struct ll_pkt, pid); i pkt->crc32 = ~CRC->DR; 8000e2e: 4b28 ldr r3, [pc, #160] ; (8000ed0 ) 8000e30: 681b ldr r3, [r3, #0] 8000e32: 43da mvns r2, r3 8000e34: 687b ldr r3, [r7, #4] 8000e36: 21ff movs r1, #255 ; 0xff 8000e38: 4011 ands r1, r2 8000e3a: 000c movs r4, r1 8000e3c: 7819 ldrb r1, [r3, #0] 8000e3e: 2000 movs r0, #0 8000e40: 4001 ands r1, r0 8000e42: 1c08 adds r0, r1, #0 8000e44: 1c21 adds r1, r4, #0 8000e46: 4301 orrs r1, r0 8000e48: 7019 strb r1, [r3, #0] 8000e4a: 0a11 lsrs r1, r2, #8 8000e4c: 20ff movs r0, #255 ; 0xff 8000e4e: 4001 ands r1, r0 8000e50: 000c movs r4, r1 8000e52: 7859 ldrb r1, [r3, #1] 8000e54: 2000 movs r0, #0 8000e56: 4001 ands r1, r0 8000e58: 1c08 adds r0, r1, #0 8000e5a: 1c21 adds r1, r4, #0 8000e5c: 4301 orrs r1, r0 8000e5e: 7059 strb r1, [r3, #1] 8000e60: 0c11 lsrs r1, r2, #16 8000e62: 20ff movs r0, #255 ; 0xff 8000e64: 4001 ands r1, r0 8000e66: 000c movs r4, r1 8000e68: 7899 ldrb r1, [r3, #2] 8000e6a: 2000 movs r0, #0 8000e6c: 4001 ands r1, r0 8000e6e: 1c08 adds r0, r1, #0 8000e70: 1c21 adds r1, r4, #0 8000e72: 4301 orrs r1, r0 8000e74: 7099 strb r1, [r3, #2] 8000e76: 0e10 lsrs r0, r2, #24 8000e78: 78da ldrb r2, [r3, #3] 8000e7a: 2100 movs r1, #0 8000e7c: 400a ands r2, r1 8000e7e: 1c11 adds r1, r2, #0 8000e80: 1c02 adds r2, r0, #0 8000e82: 430a orrs r2, r1 8000e84: 70da strb r2, [r3, #3] int rc = cobs_encode_usart((int (*)(char))usart_putc_nonblocking, (char *)pkt, pkt_len); 8000e86: 683a ldr r2, [r7, #0] 8000e88: 6879 ldr r1, [r7, #4] 8000e8a: 4b12 ldr r3, [pc, #72] ; (8000ed4 ) 8000e8c: 0018 movs r0, r3 8000e8e: f000 f825 bl 8000edc 8000e92: 0003 movs r3, r0 8000e94: 60bb str r3, [r7, #8] if (rc) 8000e96: 68bb ldr r3, [r7, #8] 8000e98: 2b00 cmp r3, #0 8000e9a: d001 beq.n 8000ea0 return rc; 8000e9c: 68bb ldr r3, [r7, #8] 8000e9e: e00f b.n 8000ec0 /* Checkpoint packet start index to prevent overwriting before ack */ usart_tx_buf.packet_start[packet_idx] = start; 8000ea0: 4a09 ldr r2, [pc, #36] ; (8000ec8 ) 8000ea2: 697b ldr r3, [r7, #20] 8000ea4: 3302 adds r3, #2 8000ea6: 009b lsls r3, r3, #2 8000ea8: 18d3 adds r3, r2, r3 8000eaa: 3304 adds r3, #4 8000eac: 68fa ldr r2, [r7, #12] 8000eae: 601a str r2, [r3, #0] for (size_t i=0; i<351; i++) usart_putc_nonblocking(x++); */ /* If the DMA stream is idle right now, schedule a transfer */ if (!(DMA1_Channel2->CCR & DMA_CCR_EN)) 8000eb0: 4b09 ldr r3, [pc, #36] ; (8000ed8 ) 8000eb2: 681b ldr r3, [r3, #0] 8000eb4: 2201 movs r2, #1 8000eb6: 4013 ands r3, r2 8000eb8: d101 bne.n 8000ebe usart_schedule_dma(); 8000eba: f7ff fe49 bl 8000b50 return 0; 8000ebe: 2300 movs r3, #0 } 8000ec0: 0018 movs r0, r3 8000ec2: 46bd mov sp, r7 8000ec4: b007 add sp, #28 8000ec6: bd90 pop {r4, r7, pc} 8000ec8: 20000198 .word 0x20000198 8000ecc: 20000138 .word 0x20000138 8000ed0: 40023000 .word 0x40023000 8000ed4: 08000ca9 .word 0x08000ca9 8000ed8: 4002001c .word 0x4002001c 08000edc : #include "serial.h" #include "cobs.h" int cobs_encode_usart(int (*output)(char), char *src, size_t srclen) { 8000edc: b580 push {r7, lr} 8000ede: b08a sub sp, #40 ; 0x28 8000ee0: af00 add r7, sp, #0 8000ee2: 60f8 str r0, [r7, #12] 8000ee4: 60b9 str r1, [r7, #8] 8000ee6: 607a str r2, [r7, #4] if (srclen > 254) 8000ee8: 687b ldr r3, [r7, #4] 8000eea: 2bfe cmp r3, #254 ; 0xfe 8000eec: d902 bls.n 8000ef4 return -1; 8000eee: 2301 movs r3, #1 8000ef0: 425b negs r3, r3 8000ef2: e04e b.n 8000f92 size_t p = 0; 8000ef4: 2300 movs r3, #0 8000ef6: 627b str r3, [r7, #36] ; 0x24 while (p <= srclen) { 8000ef8: e03c b.n 8000f74 char val; if (p != 0 && src[p-1] != 0) { 8000efa: 6a7b ldr r3, [r7, #36] ; 0x24 8000efc: 2b00 cmp r3, #0 8000efe: d00f beq.n 8000f20 8000f00: 6a7b ldr r3, [r7, #36] ; 0x24 8000f02: 3b01 subs r3, #1 8000f04: 68ba ldr r2, [r7, #8] 8000f06: 18d3 adds r3, r2, r3 8000f08: 781b ldrb r3, [r3, #0] 8000f0a: 2b00 cmp r3, #0 8000f0c: d008 beq.n 8000f20 val = src[p-1]; 8000f0e: 6a7b ldr r3, [r7, #36] ; 0x24 8000f10: 3b01 subs r3, #1 8000f12: 68ba ldr r2, [r7, #8] 8000f14: 18d2 adds r2, r2, r3 8000f16: 2323 movs r3, #35 ; 0x23 8000f18: 18fb adds r3, r7, r3 8000f1a: 7812 ldrb r2, [r2, #0] 8000f1c: 701a strb r2, [r3, #0] 8000f1e: e019 b.n 8000f54 } else { size_t q = p; 8000f20: 6a7b ldr r3, [r7, #36] ; 0x24 8000f22: 61fb str r3, [r7, #28] while (q < srclen && src[q] != 0) 8000f24: e002 b.n 8000f2c q++; 8000f26: 69fb ldr r3, [r7, #28] 8000f28: 3301 adds r3, #1 8000f2a: 61fb str r3, [r7, #28] while (q < srclen && src[q] != 0) 8000f2c: 69fa ldr r2, [r7, #28] 8000f2e: 687b ldr r3, [r7, #4] 8000f30: 429a cmp r2, r3 8000f32: d205 bcs.n 8000f40 8000f34: 68ba ldr r2, [r7, #8] 8000f36: 69fb ldr r3, [r7, #28] 8000f38: 18d3 adds r3, r2, r3 8000f3a: 781b ldrb r3, [r3, #0] 8000f3c: 2b00 cmp r3, #0 8000f3e: d1f2 bne.n 8000f26 val = (char)q-p+1; 8000f40: 69fb ldr r3, [r7, #28] 8000f42: b2da uxtb r2, r3 8000f44: 6a7b ldr r3, [r7, #36] ; 0x24 8000f46: b2db uxtb r3, r3 8000f48: 1ad3 subs r3, r2, r3 8000f4a: b2da uxtb r2, r3 8000f4c: 2323 movs r3, #35 ; 0x23 8000f4e: 18fb adds r3, r7, r3 8000f50: 3201 adds r2, #1 8000f52: 701a strb r2, [r3, #0] } int rv = output(val); 8000f54: 2323 movs r3, #35 ; 0x23 8000f56: 18fb adds r3, r7, r3 8000f58: 781a ldrb r2, [r3, #0] 8000f5a: 68fb ldr r3, [r7, #12] 8000f5c: 0010 movs r0, r2 8000f5e: 4798 blx r3 8000f60: 0003 movs r3, r0 8000f62: 617b str r3, [r7, #20] if (rv) 8000f64: 697b ldr r3, [r7, #20] 8000f66: 2b00 cmp r3, #0 8000f68: d001 beq.n 8000f6e return rv; 8000f6a: 697b ldr r3, [r7, #20] 8000f6c: e011 b.n 8000f92 p++; 8000f6e: 6a7b ldr r3, [r7, #36] ; 0x24 8000f70: 3301 adds r3, #1 8000f72: 627b str r3, [r7, #36] ; 0x24 while (p <= srclen) { 8000f74: 6a7a ldr r2, [r7, #36] ; 0x24 8000f76: 687b ldr r3, [r7, #4] 8000f78: 429a cmp r2, r3 8000f7a: d9be bls.n 8000efa } int rv = output(0); 8000f7c: 68fb ldr r3, [r7, #12] 8000f7e: 2000 movs r0, #0 8000f80: 4798 blx r3 8000f82: 0003 movs r3, r0 8000f84: 61bb str r3, [r7, #24] if (rv) 8000f86: 69bb ldr r3, [r7, #24] 8000f88: 2b00 cmp r3, #0 8000f8a: d001 beq.n 8000f90 return rv; 8000f8c: 69bb ldr r3, [r7, #24] 8000f8e: e000 b.n 8000f92 return 0; 8000f90: 2300 movs r3, #0 } 8000f92: 0018 movs r0, r3 8000f94: 46bd mov sp, r7 8000f96: b00a add sp, #40 ; 0x28 8000f98: bd80 pop {r7, pc} 08000f9a : @ ensures \result == -1; @ @ complete behaviors; @ disjoint behaviors; @*/ ssize_t cobs_decode(char *dst, size_t dstlen, char *src, size_t srclen) { 8000f9a: b580 push {r7, lr} 8000f9c: b088 sub sp, #32 8000f9e: af00 add r7, sp, #0 8000fa0: 60f8 str r0, [r7, #12] 8000fa2: 60b9 str r1, [r7, #8] 8000fa4: 607a str r2, [r7, #4] 8000fa6: 603b str r3, [r7, #0] if (dstlen > 65535 || srclen > 65535) 8000fa8: 68ba ldr r2, [r7, #8] 8000faa: 2380 movs r3, #128 ; 0x80 8000fac: 025b lsls r3, r3, #9 8000fae: 429a cmp r2, r3 8000fb0: d204 bcs.n 8000fbc 8000fb2: 683a ldr r2, [r7, #0] 8000fb4: 2380 movs r3, #128 ; 0x80 8000fb6: 025b lsls r3, r3, #9 8000fb8: 429a cmp r2, r3 8000fba: d302 bcc.n 8000fc2 return -1; 8000fbc: 2301 movs r3, #1 8000fbe: 425b negs r3, r3 8000fc0: e052 b.n 8001068 if (srclen < 1) 8000fc2: 683b ldr r3, [r7, #0] 8000fc4: 2b00 cmp r3, #0 8000fc6: d102 bne.n 8000fce return -1; 8000fc8: 2301 movs r3, #1 8000fca: 425b negs r3, r3 8000fcc: e04c b.n 8001068 if (dstlen < srclen) 8000fce: 68ba ldr r2, [r7, #8] 8000fd0: 683b ldr r3, [r7, #0] 8000fd2: 429a cmp r2, r3 8000fd4: d202 bcs.n 8000fdc return -1; 8000fd6: 2301 movs r3, #1 8000fd8: 425b negs r3, r3 8000fda: e045 b.n 8001068 size_t p = 1; 8000fdc: 2301 movs r3, #1 8000fde: 61fb str r3, [r7, #28] size_t c = (unsigned char)src[0]; 8000fe0: 687b ldr r3, [r7, #4] 8000fe2: 781b ldrb r3, [r3, #0] 8000fe4: 61bb str r3, [r7, #24] //@ assert 0 <= c < 256; //@ assert 0 <= c; //@ assert c < 256; if (c == 0) 8000fe6: 69bb ldr r3, [r7, #24] 8000fe8: 2b00 cmp r3, #0 8000fea: d124 bne.n 8001036 return -2; /* invalid framing. An empty frame would be [...] 00 01 00, not [...] 00 00 */ 8000fec: 2302 movs r3, #2 8000fee: 425b negs r3, r3 8000ff0: e03a b.n 8001068 @ loop assigns dst[0..dstlen-1], p, c; @ loop variant srclen-p; @*/ while (p < srclen && src[p]) { char val; c--; 8000ff2: 69bb ldr r3, [r7, #24] 8000ff4: 3b01 subs r3, #1 8000ff6: 61bb str r3, [r7, #24] //@ assert src[p] != 0; if (c == 0) { 8000ff8: 69bb ldr r3, [r7, #24] 8000ffa: 2b00 cmp r3, #0 8000ffc: d109 bne.n 8001012 c = (unsigned char)src[p]; 8000ffe: 687a ldr r2, [r7, #4] 8001000: 69fb ldr r3, [r7, #28] 8001002: 18d3 adds r3, r2, r3 8001004: 781b ldrb r3, [r3, #0] 8001006: 61bb str r3, [r7, #24] val = 0; 8001008: 2317 movs r3, #23 800100a: 18fb adds r3, r7, r3 800100c: 2200 movs r2, #0 800100e: 701a strb r2, [r3, #0] 8001010: e006 b.n 8001020 } else { val = src[p]; 8001012: 687a ldr r2, [r7, #4] 8001014: 69fb ldr r3, [r7, #28] 8001016: 18d2 adds r2, r2, r3 8001018: 2317 movs r3, #23 800101a: 18fb adds r3, r7, r3 800101c: 7812 ldrb r2, [r2, #0] 800101e: 701a strb r2, [r3, #0] } //@ assert 0 <= p-1 <= dstlen-1; dst[p-1] = val; 8001020: 69fb ldr r3, [r7, #28] 8001022: 3b01 subs r3, #1 8001024: 68fa ldr r2, [r7, #12] 8001026: 18d3 adds r3, r2, r3 8001028: 2217 movs r2, #23 800102a: 18ba adds r2, r7, r2 800102c: 7812 ldrb r2, [r2, #0] 800102e: 701a strb r2, [r3, #0] p++; 8001030: 69fb ldr r3, [r7, #28] 8001032: 3301 adds r3, #1 8001034: 61fb str r3, [r7, #28] while (p < srclen && src[p]) { 8001036: 69fa ldr r2, [r7, #28] 8001038: 683b ldr r3, [r7, #0] 800103a: 429a cmp r2, r3 800103c: d205 bcs.n 800104a 800103e: 687a ldr r2, [r7, #4] 8001040: 69fb ldr r3, [r7, #28] 8001042: 18d3 adds r3, r2, r3 8001044: 781b ldrb r3, [r3, #0] 8001046: 2b00 cmp r3, #0 8001048: d1d3 bne.n 8000ff2 } if (p == srclen) 800104a: 69fa ldr r2, [r7, #28] 800104c: 683b ldr r3, [r7, #0] 800104e: 429a cmp r2, r3 8001050: d102 bne.n 8001058 return -2; /* Invalid framing. The terminating null byte should always be present in the input buffer. */ 8001052: 2302 movs r3, #2 8001054: 425b negs r3, r3 8001056: e007 b.n 8001068 if (c != 1) 8001058: 69bb ldr r3, [r7, #24] 800105a: 2b01 cmp r3, #1 800105c: d002 beq.n 8001064 return -3; /* Invalid framing. The skip counter does not hit the end of the frame. */ 800105e: 2303 movs r3, #3 8001060: 425b negs r3, r3 8001062: e001 b.n 8001068 //@ assert 0 < p <= srclen <= 65535; //@ assert src[p] == 0; //@ assert \forall integer i; 1 <= i < p ==> src[i] != 0; return p-1; 8001064: 69fb ldr r3, [r7, #28] 8001066: 3b01 subs r3, #1 } 8001068: 0018 movs r0, r3 800106a: 46bd mov sp, r7 800106c: b008 add sp, #32 800106e: bd80 pop {r7, pc} 08001070 : void cobs_decode_incremental_initialize(struct cobs_decode_state *state) { 8001070: b580 push {r7, lr} 8001072: b082 sub sp, #8 8001074: af00 add r7, sp, #0 8001076: 6078 str r0, [r7, #4] state->p = 0; 8001078: 687b ldr r3, [r7, #4] 800107a: 2200 movs r2, #0 800107c: 601a str r2, [r3, #0] state->c = 0; 800107e: 687b ldr r3, [r7, #4] 8001080: 2200 movs r2, #0 8001082: 605a str r2, [r3, #4] } 8001084: 46c0 nop ; (mov r8, r8) 8001086: 46bd mov sp, r7 8001088: b002 add sp, #8 800108a: bd80 pop {r7, pc} 0800108c : int cobs_decode_incremental(struct cobs_decode_state *state, char *dst, size_t dstlen, char src) { 800108c: b580 push {r7, lr} 800108e: b088 sub sp, #32 8001090: af00 add r7, sp, #0 8001092: 60f8 str r0, [r7, #12] 8001094: 60b9 str r1, [r7, #8] 8001096: 607a str r2, [r7, #4] 8001098: 001a movs r2, r3 800109a: 1cfb adds r3, r7, #3 800109c: 701a strb r2, [r3, #0] if (state->p == 0) { 800109e: 68fb ldr r3, [r7, #12] 80010a0: 681b ldr r3, [r3, #0] 80010a2: 2b00 cmp r3, #0 80010a4: d10e bne.n 80010c4 if (src == 0) 80010a6: 1cfb adds r3, r7, #3 80010a8: 781b ldrb r3, [r3, #0] 80010aa: 2b00 cmp r3, #0 80010ac: d054 beq.n 8001158 goto empty_errout; /* invalid framing. An empty frame would be [...] 00 01 00, not [...] 00 00 */ state->c = (unsigned char)src; 80010ae: 1cfb adds r3, r7, #3 80010b0: 781a ldrb r2, [r3, #0] 80010b2: 68fb ldr r3, [r7, #12] 80010b4: 605a str r2, [r3, #4] state->p++; 80010b6: 68fb ldr r3, [r7, #12] 80010b8: 681b ldr r3, [r3, #0] 80010ba: 1c5a adds r2, r3, #1 80010bc: 68fb ldr r3, [r7, #12] 80010be: 601a str r2, [r3, #0] return 0; 80010c0: 2300 movs r3, #0 80010c2: e050 b.n 8001166 } if (!src) { 80010c4: 1cfb adds r3, r7, #3 80010c6: 781b ldrb r3, [r3, #0] 80010c8: 2b00 cmp r3, #0 80010ca: d10d bne.n 80010e8 if (state->c != 1) 80010cc: 68fb ldr r3, [r7, #12] 80010ce: 685b ldr r3, [r3, #4] 80010d0: 2b01 cmp r3, #1 80010d2: d139 bne.n 8001148 goto errout; /* Invalid framing. The skip counter does not hit the end of the frame. */ int rv = state->p-1; 80010d4: 68fb ldr r3, [r7, #12] 80010d6: 681b ldr r3, [r3, #0] 80010d8: 3b01 subs r3, #1 80010da: 617b str r3, [r7, #20] cobs_decode_incremental_initialize(state); 80010dc: 68fb ldr r3, [r7, #12] 80010de: 0018 movs r0, r3 80010e0: f7ff ffc6 bl 8001070 return rv; 80010e4: 697b ldr r3, [r7, #20] 80010e6: e03e b.n 8001166 } char val; state->c--; 80010e8: 68fb ldr r3, [r7, #12] 80010ea: 685b ldr r3, [r3, #4] 80010ec: 1e5a subs r2, r3, #1 80010ee: 68fb ldr r3, [r7, #12] 80010f0: 605a str r2, [r3, #4] if (state->c == 0) { 80010f2: 68fb ldr r3, [r7, #12] 80010f4: 685b ldr r3, [r3, #4] 80010f6: 2b00 cmp r3, #0 80010f8: d108 bne.n 800110c state->c = (unsigned char)src; 80010fa: 1cfb adds r3, r7, #3 80010fc: 781a ldrb r2, [r3, #0] 80010fe: 68fb ldr r3, [r7, #12] 8001100: 605a str r2, [r3, #4] val = 0; 8001102: 231f movs r3, #31 8001104: 18fb adds r3, r7, r3 8001106: 2200 movs r2, #0 8001108: 701a strb r2, [r3, #0] 800110a: e004 b.n 8001116 } else { val = src; 800110c: 231f movs r3, #31 800110e: 18fb adds r3, r7, r3 8001110: 1cfa adds r2, r7, #3 8001112: 7812 ldrb r2, [r2, #0] 8001114: 701a strb r2, [r3, #0] } size_t pos = state->p-1; 8001116: 68fb ldr r3, [r7, #12] 8001118: 681b ldr r3, [r3, #0] 800111a: 3b01 subs r3, #1 800111c: 61bb str r3, [r7, #24] if (pos >= dstlen) 800111e: 69ba ldr r2, [r7, #24] 8001120: 687b ldr r3, [r7, #4] 8001122: 429a cmp r2, r3 8001124: d302 bcc.n 800112c return -2; /* output buffer too small */ 8001126: 2302 movs r3, #2 8001128: 425b negs r3, r3 800112a: e01c b.n 8001166 dst[pos] = val; 800112c: 68ba ldr r2, [r7, #8] 800112e: 69bb ldr r3, [r7, #24] 8001130: 18d3 adds r3, r2, r3 8001132: 221f movs r2, #31 8001134: 18ba adds r2, r7, r2 8001136: 7812 ldrb r2, [r2, #0] 8001138: 701a strb r2, [r3, #0] state->p++; 800113a: 68fb ldr r3, [r7, #12] 800113c: 681b ldr r3, [r3, #0] 800113e: 1c5a adds r2, r3, #1 8001140: 68fb ldr r3, [r7, #12] 8001142: 601a str r2, [r3, #0] return 0; 8001144: 2300 movs r3, #0 8001146: e00e b.n 8001166 goto errout; /* Invalid framing. The skip counter does not hit the end of the frame. */ 8001148: 46c0 nop ; (mov r8, r8) errout: cobs_decode_incremental_initialize(state); 800114a: 68fb ldr r3, [r7, #12] 800114c: 0018 movs r0, r3 800114e: f7ff ff8f bl 8001070 return -1; 8001152: 2301 movs r3, #1 8001154: 425b negs r3, r3 8001156: e006 b.n 8001166 goto empty_errout; /* invalid framing. An empty frame would be [...] 00 01 00, not [...] 00 00 */ 8001158: 46c0 nop ; (mov r8, r8) empty_errout: cobs_decode_incremental_initialize(state); 800115a: 68fb ldr r3, [r7, #12] 800115c: 0018 movs r0, r3 800115e: f7ff ff87 bl 8001070 return -3; 8001162: 2303 movs r3, #3 8001164: 425b negs r3, r3 } 8001166: 0018 movs r0, r3 8001168: 46bd mov sp, r7 800116a: b008 add sp, #32 800116c: bd80 pop {r7, pc} 800116e: 1c64 .short 0x1c64 8001170: 00000800 .word 0x00000800 8001174: 00942000 .word 0x00942000 8001178: 00942000 .word 0x00942000 800117c: 03b82000 .word 0x03b82000 8001180: 00002000 .word 0x00002000 08001184 : * Initialize the default HSI clock source, vector table location and the PLL configuration is reset. * @param None * @retval None */ void SystemInit(void) { 8001184: b580 push {r7, lr} 8001186: af00 add r7, sp, #0 /* Reset the RCC clock configuration to the default reset state ------------*/ /* Set HSION bit */ RCC->CR |= (uint32_t)0x00000001U; 8001188: 4b1a ldr r3, [pc, #104] ; (80011f4 ) 800118a: 681a ldr r2, [r3, #0] 800118c: 4b19 ldr r3, [pc, #100] ; (80011f4 ) 800118e: 2101 movs r1, #1 8001190: 430a orrs r2, r1 8001192: 601a str r2, [r3, #0] #if defined (STM32F051x8) || defined (STM32F058x8) /* Reset SW[1:0], HPRE[3:0], PPRE[2:0], ADCPRE and MCOSEL[2:0] bits */ RCC->CFGR &= (uint32_t)0xF8FFB80CU; #else /* Reset SW[1:0], HPRE[3:0], PPRE[2:0], ADCPRE, MCOSEL[2:0], MCOPRE[2:0] and PLLNODIV bits */ RCC->CFGR &= (uint32_t)0x08FFB80CU; 8001194: 4b17 ldr r3, [pc, #92] ; (80011f4 ) 8001196: 685a ldr r2, [r3, #4] 8001198: 4b16 ldr r3, [pc, #88] ; (80011f4 ) 800119a: 4917 ldr r1, [pc, #92] ; (80011f8 ) 800119c: 400a ands r2, r1 800119e: 605a str r2, [r3, #4] #endif /* STM32F051x8 or STM32F058x8 */ /* Reset HSEON, CSSON and PLLON bits */ RCC->CR &= (uint32_t)0xFEF6FFFFU; 80011a0: 4b14 ldr r3, [pc, #80] ; (80011f4 ) 80011a2: 681a ldr r2, [r3, #0] 80011a4: 4b13 ldr r3, [pc, #76] ; (80011f4 ) 80011a6: 4915 ldr r1, [pc, #84] ; (80011fc ) 80011a8: 400a ands r2, r1 80011aa: 601a str r2, [r3, #0] /* Reset HSEBYP bit */ RCC->CR &= (uint32_t)0xFFFBFFFFU; 80011ac: 4b11 ldr r3, [pc, #68] ; (80011f4 ) 80011ae: 681a ldr r2, [r3, #0] 80011b0: 4b10 ldr r3, [pc, #64] ; (80011f4 ) 80011b2: 4913 ldr r1, [pc, #76] ; (8001200 ) 80011b4: 400a ands r2, r1 80011b6: 601a str r2, [r3, #0] /* Reset PLLSRC, PLLXTPRE and PLLMUL[3:0] bits */ RCC->CFGR &= (uint32_t)0xFFC0FFFFU; 80011b8: 4b0e ldr r3, [pc, #56] ; (80011f4 ) 80011ba: 685a ldr r2, [r3, #4] 80011bc: 4b0d ldr r3, [pc, #52] ; (80011f4 ) 80011be: 4911 ldr r1, [pc, #68] ; (8001204 ) 80011c0: 400a ands r2, r1 80011c2: 605a str r2, [r3, #4] /* Reset PREDIV[3:0] bits */ RCC->CFGR2 &= (uint32_t)0xFFFFFFF0U; 80011c4: 4b0b ldr r3, [pc, #44] ; (80011f4 ) 80011c6: 6ada ldr r2, [r3, #44] ; 0x2c 80011c8: 4b0a ldr r3, [pc, #40] ; (80011f4 ) 80011ca: 210f movs r1, #15 80011cc: 438a bics r2, r1 80011ce: 62da str r2, [r3, #44] ; 0x2c #elif defined (STM32F091xC) || defined (STM32F098xx) /* Reset USART3SW[1:0], USART2SW[1:0], USART1SW[1:0], I2C1SW, CECSW and ADCSW bits */ RCC->CFGR3 &= (uint32_t)0xFFF0FEACU; #elif defined (STM32F030x6) || defined (STM32F030x8) || defined (STM32F031x6) || defined (STM32F038xx) || defined (STM32F030xC) /* Reset USART1SW[1:0], I2C1SW and ADCSW bits */ RCC->CFGR3 &= (uint32_t)0xFFFFFEECU; 80011d0: 4b08 ldr r3, [pc, #32] ; (80011f4 ) 80011d2: 6b1a ldr r2, [r3, #48] ; 0x30 80011d4: 4b07 ldr r3, [pc, #28] ; (80011f4 ) 80011d6: 490c ldr r1, [pc, #48] ; (8001208 ) 80011d8: 400a ands r2, r1 80011da: 631a str r2, [r3, #48] ; 0x30 #else #warning "No target selected" #endif /* Reset HSI14 bit */ RCC->CR2 &= (uint32_t)0xFFFFFFFEU; 80011dc: 4b05 ldr r3, [pc, #20] ; (80011f4 ) 80011de: 6b5a ldr r2, [r3, #52] ; 0x34 80011e0: 4b04 ldr r3, [pc, #16] ; (80011f4 ) 80011e2: 2101 movs r1, #1 80011e4: 438a bics r2, r1 80011e6: 635a str r2, [r3, #52] ; 0x34 /* Disable all interrupts */ RCC->CIR = 0x00000000U; 80011e8: 4b02 ldr r3, [pc, #8] ; (80011f4 ) 80011ea: 2200 movs r2, #0 80011ec: 609a str r2, [r3, #8] } 80011ee: 46c0 nop ; (mov r8, r8) 80011f0: 46bd mov sp, r7 80011f2: bd80 pop {r7, pc} 80011f4: 40021000 .word 0x40021000 80011f8: 08ffb80c .word 0x08ffb80c 80011fc: fef6ffff .word 0xfef6ffff 8001200: fffbffff .word 0xfffbffff 8001204: ffc0ffff .word 0xffc0ffff 8001208: fffffeec .word 0xfffffeec 0800120c : * * @param None * @retval None */ void SystemCoreClockUpdate (void) { 800120c: b580 push {r7, lr} 800120e: b084 sub sp, #16 8001210: af00 add r7, sp, #0 uint32_t tmp = 0, pllmull = 0, pllsource = 0, predivfactor = 0; 8001212: 2300 movs r3, #0 8001214: 60fb str r3, [r7, #12] 8001216: 2300 movs r3, #0 8001218: 60bb str r3, [r7, #8] 800121a: 2300 movs r3, #0 800121c: 607b str r3, [r7, #4] 800121e: 2300 movs r3, #0 8001220: 603b str r3, [r7, #0] /* Get SYSCLK source -------------------------------------------------------*/ tmp = RCC->CFGR & RCC_CFGR_SWS; 8001222: 4b31 ldr r3, [pc, #196] ; (80012e8 ) 8001224: 685b ldr r3, [r3, #4] 8001226: 220c movs r2, #12 8001228: 4013 ands r3, r2 800122a: 60fb str r3, [r7, #12] switch (tmp) 800122c: 68fb ldr r3, [r7, #12] 800122e: 2b08 cmp r3, #8 8001230: d011 beq.n 8001256 8001232: 68fb ldr r3, [r7, #12] 8001234: 2b08 cmp r3, #8 8001236: d841 bhi.n 80012bc 8001238: 68fb ldr r3, [r7, #12] 800123a: 2b00 cmp r3, #0 800123c: d003 beq.n 8001246 800123e: 68fb ldr r3, [r7, #12] 8001240: 2b04 cmp r3, #4 8001242: d004 beq.n 800124e 8001244: e03a b.n 80012bc { case RCC_CFGR_SWS_HSI: /* HSI used as system clock */ SystemCoreClock = HSI_VALUE; 8001246: 4b29 ldr r3, [pc, #164] ; (80012ec ) 8001248: 4a29 ldr r2, [pc, #164] ; (80012f0 ) 800124a: 601a str r2, [r3, #0] break; 800124c: e03a b.n 80012c4 case RCC_CFGR_SWS_HSE: /* HSE used as system clock */ SystemCoreClock = HSE_VALUE; 800124e: 4b27 ldr r3, [pc, #156] ; (80012ec ) 8001250: 4a27 ldr r2, [pc, #156] ; (80012f0 ) 8001252: 601a str r2, [r3, #0] break; 8001254: e036 b.n 80012c4 case RCC_CFGR_SWS_PLL: /* PLL used as system clock */ /* Get PLL clock source and multiplication factor ----------------------*/ pllmull = RCC->CFGR & RCC_CFGR_PLLMUL; 8001256: 4b24 ldr r3, [pc, #144] ; (80012e8 ) 8001258: 685a ldr r2, [r3, #4] 800125a: 23f0 movs r3, #240 ; 0xf0 800125c: 039b lsls r3, r3, #14 800125e: 4013 ands r3, r2 8001260: 60bb str r3, [r7, #8] pllsource = RCC->CFGR & RCC_CFGR_PLLSRC; 8001262: 4b21 ldr r3, [pc, #132] ; (80012e8 ) 8001264: 685a ldr r2, [r3, #4] 8001266: 2380 movs r3, #128 ; 0x80 8001268: 025b lsls r3, r3, #9 800126a: 4013 ands r3, r2 800126c: 607b str r3, [r7, #4] pllmull = ( pllmull >> 18) + 2; 800126e: 68bb ldr r3, [r7, #8] 8001270: 0c9b lsrs r3, r3, #18 8001272: 3302 adds r3, #2 8001274: 60bb str r3, [r7, #8] predivfactor = (RCC->CFGR2 & RCC_CFGR2_PREDIV) + 1; 8001276: 4b1c ldr r3, [pc, #112] ; (80012e8 ) 8001278: 6adb ldr r3, [r3, #44] ; 0x2c 800127a: 220f movs r2, #15 800127c: 4013 ands r3, r2 800127e: 3301 adds r3, #1 8001280: 603b str r3, [r7, #0] if (pllsource == RCC_CFGR_PLLSRC_HSE_PREDIV) 8001282: 687a ldr r2, [r7, #4] 8001284: 2380 movs r3, #128 ; 0x80 8001286: 025b lsls r3, r3, #9 8001288: 429a cmp r2, r3 800128a: d10a bne.n 80012a2 { /* HSE used as PLL clock source : SystemCoreClock = HSE/PREDIV * PLLMUL */ SystemCoreClock = (HSE_VALUE/predivfactor) * pllmull; 800128c: 6839 ldr r1, [r7, #0] 800128e: 4818 ldr r0, [pc, #96] ; (80012f0 ) 8001290: f000 fb3e bl 8001910 <__udivsi3> 8001294: 0003 movs r3, r0 8001296: 001a movs r2, r3 8001298: 68bb ldr r3, [r7, #8] 800129a: 435a muls r2, r3 800129c: 4b13 ldr r3, [pc, #76] ; (80012ec ) 800129e: 601a str r2, [r3, #0] SystemCoreClock = (HSI_VALUE >> 1) * pllmull; #endif /* STM32F042x6 || STM32F048xx || STM32F070x6 || STM32F071xB || STM32F072xB || STM32F078xx || STM32F070xB || STM32F091xC || STM32F098xx || STM32F030xC */ } break; 80012a0: e010 b.n 80012c4 SystemCoreClock = (HSI_VALUE >> 1) * pllmull; 80012a2: 68b9 ldr r1, [r7, #8] 80012a4: 000a movs r2, r1 80012a6: 0152 lsls r2, r2, #5 80012a8: 1a52 subs r2, r2, r1 80012aa: 0193 lsls r3, r2, #6 80012ac: 1a9b subs r3, r3, r2 80012ae: 00db lsls r3, r3, #3 80012b0: 185b adds r3, r3, r1 80012b2: 021b lsls r3, r3, #8 80012b4: 001a movs r2, r3 80012b6: 4b0d ldr r3, [pc, #52] ; (80012ec ) 80012b8: 601a str r2, [r3, #0] break; 80012ba: e003 b.n 80012c4 default: /* HSI used as system clock */ SystemCoreClock = HSI_VALUE; 80012bc: 4b0b ldr r3, [pc, #44] ; (80012ec ) 80012be: 4a0c ldr r2, [pc, #48] ; (80012f0 ) 80012c0: 601a str r2, [r3, #0] break; 80012c2: 46c0 nop ; (mov r8, r8) } /* Compute HCLK clock frequency ----------------*/ /* Get HCLK prescaler */ tmp = AHBPrescTable[((RCC->CFGR & RCC_CFGR_HPRE) >> 4)]; 80012c4: 4b08 ldr r3, [pc, #32] ; (80012e8 ) 80012c6: 685b ldr r3, [r3, #4] 80012c8: 091b lsrs r3, r3, #4 80012ca: 220f movs r2, #15 80012cc: 4013 ands r3, r2 80012ce: 4a09 ldr r2, [pc, #36] ; (80012f4 ) 80012d0: 5cd3 ldrb r3, [r2, r3] 80012d2: 60fb str r3, [r7, #12] /* HCLK clock frequency */ SystemCoreClock >>= tmp; 80012d4: 4b05 ldr r3, [pc, #20] ; (80012ec ) 80012d6: 681a ldr r2, [r3, #0] 80012d8: 68fb ldr r3, [r7, #12] 80012da: 40da lsrs r2, r3 80012dc: 4b03 ldr r3, [pc, #12] ; (80012ec ) 80012de: 601a str r2, [r3, #0] } 80012e0: 46c0 nop ; (mov r8, r8) 80012e2: 46bd mov sp, r7 80012e4: b004 add sp, #16 80012e6: bd80 pop {r7, pc} 80012e8: 40021000 .word 0x40021000 80012ec: 20000000 .word 0x20000000 80012f0: 007a1200 .word 0x007a1200 80012f4: 08001c4c .word 0x08001c4c 080012f8 : * @brief Enable HSE external oscillator (HSE Bypass) * @rmtoll CR HSEBYP LL_RCC_HSE_EnableBypass * @retval None */ __STATIC_INLINE void LL_RCC_HSE_EnableBypass(void) { 80012f8: b580 push {r7, lr} 80012fa: af00 add r7, sp, #0 SET_BIT(RCC->CR, RCC_CR_HSEBYP); 80012fc: 4b04 ldr r3, [pc, #16] ; (8001310 ) 80012fe: 681a ldr r2, [r3, #0] 8001300: 4b03 ldr r3, [pc, #12] ; (8001310 ) 8001302: 2180 movs r1, #128 ; 0x80 8001304: 02c9 lsls r1, r1, #11 8001306: 430a orrs r2, r1 8001308: 601a str r2, [r3, #0] } 800130a: 46c0 nop ; (mov r8, r8) 800130c: 46bd mov sp, r7 800130e: bd80 pop {r7, pc} 8001310: 40021000 .word 0x40021000 08001314 : * @brief Disable HSE external oscillator (HSE Bypass) * @rmtoll CR HSEBYP LL_RCC_HSE_DisableBypass * @retval None */ __STATIC_INLINE void LL_RCC_HSE_DisableBypass(void) { 8001314: b580 push {r7, lr} 8001316: af00 add r7, sp, #0 CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP); 8001318: 4b04 ldr r3, [pc, #16] ; (800132c ) 800131a: 681a ldr r2, [r3, #0] 800131c: 4b03 ldr r3, [pc, #12] ; (800132c ) 800131e: 4904 ldr r1, [pc, #16] ; (8001330 ) 8001320: 400a ands r2, r1 8001322: 601a str r2, [r3, #0] } 8001324: 46c0 nop ; (mov r8, r8) 8001326: 46bd mov sp, r7 8001328: bd80 pop {r7, pc} 800132a: 46c0 nop ; (mov r8, r8) 800132c: 40021000 .word 0x40021000 8001330: fffbffff .word 0xfffbffff 08001334 : * @brief Enable HSE crystal oscillator (HSE ON) * @rmtoll CR HSEON LL_RCC_HSE_Enable * @retval None */ __STATIC_INLINE void LL_RCC_HSE_Enable(void) { 8001334: b580 push {r7, lr} 8001336: af00 add r7, sp, #0 SET_BIT(RCC->CR, RCC_CR_HSEON); 8001338: 4b04 ldr r3, [pc, #16] ; (800134c ) 800133a: 681a ldr r2, [r3, #0] 800133c: 4b03 ldr r3, [pc, #12] ; (800134c ) 800133e: 2180 movs r1, #128 ; 0x80 8001340: 0249 lsls r1, r1, #9 8001342: 430a orrs r2, r1 8001344: 601a str r2, [r3, #0] } 8001346: 46c0 nop ; (mov r8, r8) 8001348: 46bd mov sp, r7 800134a: bd80 pop {r7, pc} 800134c: 40021000 .word 0x40021000 08001350 : * @brief Check if HSE oscillator Ready * @rmtoll CR HSERDY LL_RCC_HSE_IsReady * @retval State of bit (1 or 0). */ __STATIC_INLINE uint32_t LL_RCC_HSE_IsReady(void) { 8001350: b580 push {r7, lr} 8001352: af00 add r7, sp, #0 return (READ_BIT(RCC->CR, RCC_CR_HSERDY) == (RCC_CR_HSERDY)); 8001354: 4b06 ldr r3, [pc, #24] ; (8001370 ) 8001356: 681a ldr r2, [r3, #0] 8001358: 2380 movs r3, #128 ; 0x80 800135a: 029b lsls r3, r3, #10 800135c: 4013 ands r3, r2 800135e: 4a05 ldr r2, [pc, #20] ; (8001374 ) 8001360: 4694 mov ip, r2 8001362: 4463 add r3, ip 8001364: 425a negs r2, r3 8001366: 4153 adcs r3, r2 8001368: b2db uxtb r3, r3 } 800136a: 0018 movs r0, r3 800136c: 46bd mov sp, r7 800136e: bd80 pop {r7, pc} 8001370: 40021000 .word 0x40021000 8001374: fffe0000 .word 0xfffe0000 08001378 : * @brief Enable HSI oscillator * @rmtoll CR HSION LL_RCC_HSI_Enable * @retval None */ __STATIC_INLINE void LL_RCC_HSI_Enable(void) { 8001378: b580 push {r7, lr} 800137a: af00 add r7, sp, #0 SET_BIT(RCC->CR, RCC_CR_HSION); 800137c: 4b04 ldr r3, [pc, #16] ; (8001390 ) 800137e: 681a ldr r2, [r3, #0] 8001380: 4b03 ldr r3, [pc, #12] ; (8001390 ) 8001382: 2101 movs r1, #1 8001384: 430a orrs r2, r1 8001386: 601a str r2, [r3, #0] } 8001388: 46c0 nop ; (mov r8, r8) 800138a: 46bd mov sp, r7 800138c: bd80 pop {r7, pc} 800138e: 46c0 nop ; (mov r8, r8) 8001390: 40021000 .word 0x40021000 08001394 : * @brief Check if HSI clock is ready * @rmtoll CR HSIRDY LL_RCC_HSI_IsReady * @retval State of bit (1 or 0). */ __STATIC_INLINE uint32_t LL_RCC_HSI_IsReady(void) { 8001394: b580 push {r7, lr} 8001396: af00 add r7, sp, #0 return (READ_BIT(RCC->CR, RCC_CR_HSIRDY) == (RCC_CR_HSIRDY)); 8001398: 4b05 ldr r3, [pc, #20] ; (80013b0 ) 800139a: 681b ldr r3, [r3, #0] 800139c: 2202 movs r2, #2 800139e: 4013 ands r3, r2 80013a0: 3b02 subs r3, #2 80013a2: 425a negs r2, r3 80013a4: 4153 adcs r3, r2 80013a6: b2db uxtb r3, r3 } 80013a8: 0018 movs r0, r3 80013aa: 46bd mov sp, r7 80013ac: bd80 pop {r7, pc} 80013ae: 46c0 nop ; (mov r8, r8) 80013b0: 40021000 .word 0x40021000 080013b4 : * * (*) value not defined in all devices * @retval None */ __STATIC_INLINE void LL_RCC_SetSysClkSource(uint32_t Source) { 80013b4: b580 push {r7, lr} 80013b6: b082 sub sp, #8 80013b8: af00 add r7, sp, #0 80013ba: 6078 str r0, [r7, #4] MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, Source); 80013bc: 4b06 ldr r3, [pc, #24] ; (80013d8 ) 80013be: 685b ldr r3, [r3, #4] 80013c0: 2203 movs r2, #3 80013c2: 4393 bics r3, r2 80013c4: 0019 movs r1, r3 80013c6: 4b04 ldr r3, [pc, #16] ; (80013d8 ) 80013c8: 687a ldr r2, [r7, #4] 80013ca: 430a orrs r2, r1 80013cc: 605a str r2, [r3, #4] } 80013ce: 46c0 nop ; (mov r8, r8) 80013d0: 46bd mov sp, r7 80013d2: b002 add sp, #8 80013d4: bd80 pop {r7, pc} 80013d6: 46c0 nop ; (mov r8, r8) 80013d8: 40021000 .word 0x40021000 080013dc : * @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_HSI48 (*) * * (*) value not defined in all devices */ __STATIC_INLINE uint32_t LL_RCC_GetSysClkSource(void) { 80013dc: b580 push {r7, lr} 80013de: af00 add r7, sp, #0 return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_SWS)); 80013e0: 4b03 ldr r3, [pc, #12] ; (80013f0 ) 80013e2: 685b ldr r3, [r3, #4] 80013e4: 220c movs r2, #12 80013e6: 4013 ands r3, r2 } 80013e8: 0018 movs r0, r3 80013ea: 46bd mov sp, r7 80013ec: bd80 pop {r7, pc} 80013ee: 46c0 nop ; (mov r8, r8) 80013f0: 40021000 .word 0x40021000 080013f4 : * @arg @ref LL_RCC_SYSCLK_DIV_256 * @arg @ref LL_RCC_SYSCLK_DIV_512 * @retval None */ __STATIC_INLINE void LL_RCC_SetAHBPrescaler(uint32_t Prescaler) { 80013f4: b580 push {r7, lr} 80013f6: b082 sub sp, #8 80013f8: af00 add r7, sp, #0 80013fa: 6078 str r0, [r7, #4] MODIFY_REG(RCC->CFGR, RCC_CFGR_HPRE, Prescaler); 80013fc: 4b06 ldr r3, [pc, #24] ; (8001418 ) 80013fe: 685b ldr r3, [r3, #4] 8001400: 22f0 movs r2, #240 ; 0xf0 8001402: 4393 bics r3, r2 8001404: 0019 movs r1, r3 8001406: 4b04 ldr r3, [pc, #16] ; (8001418 ) 8001408: 687a ldr r2, [r7, #4] 800140a: 430a orrs r2, r1 800140c: 605a str r2, [r3, #4] } 800140e: 46c0 nop ; (mov r8, r8) 8001410: 46bd mov sp, r7 8001412: b002 add sp, #8 8001414: bd80 pop {r7, pc} 8001416: 46c0 nop ; (mov r8, r8) 8001418: 40021000 .word 0x40021000 0800141c : * @arg @ref LL_RCC_APB1_DIV_8 * @arg @ref LL_RCC_APB1_DIV_16 * @retval None */ __STATIC_INLINE void LL_RCC_SetAPB1Prescaler(uint32_t Prescaler) { 800141c: b580 push {r7, lr} 800141e: b082 sub sp, #8 8001420: af00 add r7, sp, #0 8001422: 6078 str r0, [r7, #4] MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE, Prescaler); 8001424: 4b06 ldr r3, [pc, #24] ; (8001440 ) 8001426: 685b ldr r3, [r3, #4] 8001428: 4a06 ldr r2, [pc, #24] ; (8001444 ) 800142a: 4013 ands r3, r2 800142c: 0019 movs r1, r3 800142e: 4b04 ldr r3, [pc, #16] ; (8001440 ) 8001430: 687a ldr r2, [r7, #4] 8001432: 430a orrs r2, r1 8001434: 605a str r2, [r3, #4] } 8001436: 46c0 nop ; (mov r8, r8) 8001438: 46bd mov sp, r7 800143a: b002 add sp, #8 800143c: bd80 pop {r7, pc} 800143e: 46c0 nop ; (mov r8, r8) 8001440: 40021000 .word 0x40021000 8001444: fffff8ff .word 0xfffff8ff 08001448 : * @brief Enable PLL * @rmtoll CR PLLON LL_RCC_PLL_Enable * @retval None */ __STATIC_INLINE void LL_RCC_PLL_Enable(void) { 8001448: b580 push {r7, lr} 800144a: af00 add r7, sp, #0 SET_BIT(RCC->CR, RCC_CR_PLLON); 800144c: 4b04 ldr r3, [pc, #16] ; (8001460 ) 800144e: 681a ldr r2, [r3, #0] 8001450: 4b03 ldr r3, [pc, #12] ; (8001460 ) 8001452: 2180 movs r1, #128 ; 0x80 8001454: 0449 lsls r1, r1, #17 8001456: 430a orrs r2, r1 8001458: 601a str r2, [r3, #0] } 800145a: 46c0 nop ; (mov r8, r8) 800145c: 46bd mov sp, r7 800145e: bd80 pop {r7, pc} 8001460: 40021000 .word 0x40021000 08001464 : * @brief Check if PLL Ready * @rmtoll CR PLLRDY LL_RCC_PLL_IsReady * @retval State of bit (1 or 0). */ __STATIC_INLINE uint32_t LL_RCC_PLL_IsReady(void) { 8001464: b580 push {r7, lr} 8001466: af00 add r7, sp, #0 return (READ_BIT(RCC->CR, RCC_CR_PLLRDY) == (RCC_CR_PLLRDY)); 8001468: 4b07 ldr r3, [pc, #28] ; (8001488 ) 800146a: 681a ldr r2, [r3, #0] 800146c: 2380 movs r3, #128 ; 0x80 800146e: 049b lsls r3, r3, #18 8001470: 4013 ands r3, r2 8001472: 22fe movs r2, #254 ; 0xfe 8001474: 0612 lsls r2, r2, #24 8001476: 4694 mov ip, r2 8001478: 4463 add r3, ip 800147a: 425a negs r2, r3 800147c: 4153 adcs r3, r2 800147e: b2db uxtb r3, r3 } 8001480: 0018 movs r0, r3 8001482: 46bd mov sp, r7 8001484: bd80 pop {r7, pc} 8001486: 46c0 nop ; (mov r8, r8) 8001488: 40021000 .word 0x40021000 0800148c : * @arg @ref LL_RCC_PLL_MUL_15 * @arg @ref LL_RCC_PLL_MUL_16 * @retval None */ __STATIC_INLINE void LL_RCC_PLL_ConfigDomain_SYS(uint32_t Source, uint32_t PLLMul) { 800148c: b580 push {r7, lr} 800148e: b082 sub sp, #8 8001490: af00 add r7, sp, #0 8001492: 6078 str r0, [r7, #4] 8001494: 6039 str r1, [r7, #0] MODIFY_REG(RCC->CFGR, RCC_CFGR_PLLSRC | RCC_CFGR_PLLMUL, (Source & RCC_CFGR_PLLSRC) | PLLMul); 8001496: 4b0e ldr r3, [pc, #56] ; (80014d0 ) 8001498: 685b ldr r3, [r3, #4] 800149a: 4a0e ldr r2, [pc, #56] ; (80014d4 ) 800149c: 4013 ands r3, r2 800149e: 0019 movs r1, r3 80014a0: 687a ldr r2, [r7, #4] 80014a2: 2380 movs r3, #128 ; 0x80 80014a4: 025b lsls r3, r3, #9 80014a6: 401a ands r2, r3 80014a8: 683b ldr r3, [r7, #0] 80014aa: 431a orrs r2, r3 80014ac: 4b08 ldr r3, [pc, #32] ; (80014d0 ) 80014ae: 430a orrs r2, r1 80014b0: 605a str r2, [r3, #4] MODIFY_REG(RCC->CFGR2, RCC_CFGR2_PREDIV, (Source & RCC_CFGR2_PREDIV)); 80014b2: 4b07 ldr r3, [pc, #28] ; (80014d0 ) 80014b4: 6adb ldr r3, [r3, #44] ; 0x2c 80014b6: 220f movs r2, #15 80014b8: 4393 bics r3, r2 80014ba: 0019 movs r1, r3 80014bc: 687b ldr r3, [r7, #4] 80014be: 220f movs r2, #15 80014c0: 401a ands r2, r3 80014c2: 4b03 ldr r3, [pc, #12] ; (80014d0 ) 80014c4: 430a orrs r2, r1 80014c6: 62da str r2, [r3, #44] ; 0x2c } 80014c8: 46c0 nop ; (mov r8, r8) 80014ca: 46bd mov sp, r7 80014cc: b002 add sp, #8 80014ce: bd80 pop {r7, pc} 80014d0: 40021000 .word 0x40021000 80014d4: ffc2ffff .word 0xffc2ffff 080014d8 : * configuration by calling this function, for a delay use rather osDelay RTOS service. * @param Ticks Number of ticks * @retval None */ __STATIC_INLINE void LL_InitTick(uint32_t HCLKFrequency, uint32_t Ticks) { 80014d8: b580 push {r7, lr} 80014da: b082 sub sp, #8 80014dc: af00 add r7, sp, #0 80014de: 6078 str r0, [r7, #4] 80014e0: 6039 str r1, [r7, #0] /* Configure the SysTick to have interrupt in 1ms time base */ SysTick->LOAD = (uint32_t)((HCLKFrequency / Ticks) - 1UL); /* set reload register */ 80014e2: 6839 ldr r1, [r7, #0] 80014e4: 6878 ldr r0, [r7, #4] 80014e6: f000 fa13 bl 8001910 <__udivsi3> 80014ea: 0003 movs r3, r0 80014ec: 001a movs r2, r3 80014ee: 4b06 ldr r3, [pc, #24] ; (8001508 ) 80014f0: 3a01 subs r2, #1 80014f2: 605a str r2, [r3, #4] SysTick->VAL = 0UL; /* Load the SysTick Counter Value */ 80014f4: 4b04 ldr r3, [pc, #16] ; (8001508 ) 80014f6: 2200 movs r2, #0 80014f8: 609a str r2, [r3, #8] SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | 80014fa: 4b03 ldr r3, [pc, #12] ; (8001508 ) 80014fc: 2205 movs r2, #5 80014fe: 601a str r2, [r3, #0] SysTick_CTRL_ENABLE_Msk; /* Enable the Systick Timer */ } 8001500: 46c0 nop ; (mov r8, r8) 8001502: 46bd mov sp, r7 8001504: b002 add sp, #8 8001506: bd80 pop {r7, pc} 8001508: e000e010 .word 0xe000e010 0800150c : * @arg @ref LL_FLASH_LATENCY_0 * @arg @ref LL_FLASH_LATENCY_1 * @retval None */ __STATIC_INLINE void LL_FLASH_SetLatency(uint32_t Latency) { 800150c: b580 push {r7, lr} 800150e: b082 sub sp, #8 8001510: af00 add r7, sp, #0 8001512: 6078 str r0, [r7, #4] MODIFY_REG(FLASH->ACR, FLASH_ACR_LATENCY, Latency); 8001514: 4b06 ldr r3, [pc, #24] ; (8001530 ) 8001516: 681b ldr r3, [r3, #0] 8001518: 2201 movs r2, #1 800151a: 4393 bics r3, r2 800151c: 0019 movs r1, r3 800151e: 4b04 ldr r3, [pc, #16] ; (8001530 ) 8001520: 687a ldr r2, [r7, #4] 8001522: 430a orrs r2, r1 8001524: 601a str r2, [r3, #0] } 8001526: 46c0 nop ; (mov r8, r8) 8001528: 46bd mov sp, r7 800152a: b002 add sp, #8 800152c: bd80 pop {r7, pc} 800152e: 46c0 nop ; (mov r8, r8) 8001530: 40022000 .word 0x40022000 08001534 : * @retval Returned value can be one of the following values: * @arg @ref LL_FLASH_LATENCY_0 * @arg @ref LL_FLASH_LATENCY_1 */ __STATIC_INLINE uint32_t LL_FLASH_GetLatency(void) { 8001534: b580 push {r7, lr} 8001536: af00 add r7, sp, #0 return (uint32_t)(READ_BIT(FLASH->ACR, FLASH_ACR_LATENCY)); 8001538: 4b03 ldr r3, [pc, #12] ; (8001548 ) 800153a: 681b ldr r3, [r3, #0] 800153c: 2201 movs r2, #1 800153e: 4013 ands r3, r2 } 8001540: 0018 movs r0, r3 8001542: 46bd mov sp, r7 8001544: bd80 pop {r7, pc} 8001546: 46c0 nop ; (mov r8, r8) 8001548: 40022000 .word 0x40022000 0800154c : * @param HCLKFrequency HCLK frequency in Hz * @note HCLK frequency can be calculated thanks to RCC helper macro or function @ref LL_RCC_GetSystemClocksFreq * @retval None */ void LL_Init1msTick(uint32_t HCLKFrequency) { 800154c: b580 push {r7, lr} 800154e: b082 sub sp, #8 8001550: af00 add r7, sp, #0 8001552: 6078 str r0, [r7, #4] /* Use frequency provided in argument */ LL_InitTick(HCLKFrequency, 1000U); 8001554: 23fa movs r3, #250 ; 0xfa 8001556: 009a lsls r2, r3, #2 8001558: 687b ldr r3, [r7, #4] 800155a: 0011 movs r1, r2 800155c: 0018 movs r0, r3 800155e: f7ff ffbb bl 80014d8 } 8001562: 46c0 nop ; (mov r8, r8) 8001564: 46bd mov sp, r7 8001566: b002 add sp, #8 8001568: bd80 pop {r7, pc} 0800156a : * will configure Systick to 1ms * @param Delay specifies the delay time length, in milliseconds. * @retval None */ void LL_mDelay(uint32_t Delay) { 800156a: b580 push {r7, lr} 800156c: b084 sub sp, #16 800156e: af00 add r7, sp, #0 8001570: 6078 str r0, [r7, #4] __IO uint32_t tmp = SysTick->CTRL; /* Clear the COUNTFLAG first */ 8001572: 4b0e ldr r3, [pc, #56] ; (80015ac ) 8001574: 681b ldr r3, [r3, #0] 8001576: 60fb str r3, [r7, #12] /* Add this code to indicate that local variable is not used */ ((void)tmp); 8001578: 68fb ldr r3, [r7, #12] /* Add a period to guaranty minimum wait */ if (Delay < LL_MAX_DELAY) 800157a: 687b ldr r3, [r7, #4] 800157c: 3301 adds r3, #1 800157e: d00c beq.n 800159a { Delay++; 8001580: 687b ldr r3, [r7, #4] 8001582: 3301 adds r3, #1 8001584: 607b str r3, [r7, #4] } while (Delay) 8001586: e008 b.n 800159a { if ((SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk) != 0U) 8001588: 4b08 ldr r3, [pc, #32] ; (80015ac ) 800158a: 681a ldr r2, [r3, #0] 800158c: 2380 movs r3, #128 ; 0x80 800158e: 025b lsls r3, r3, #9 8001590: 4013 ands r3, r2 8001592: d002 beq.n 800159a { Delay--; 8001594: 687b ldr r3, [r7, #4] 8001596: 3b01 subs r3, #1 8001598: 607b str r3, [r7, #4] while (Delay) 800159a: 687b ldr r3, [r7, #4] 800159c: 2b00 cmp r3, #0 800159e: d1f3 bne.n 8001588 } } } 80015a0: 46c0 nop ; (mov r8, r8) 80015a2: 46c0 nop ; (mov r8, r8) 80015a4: 46bd mov sp, r7 80015a6: b004 add sp, #16 80015a8: bd80 pop {r7, pc} 80015aa: 46c0 nop ; (mov r8, r8) 80015ac: e000e010 .word 0xe000e010 080015b0 : * @note Variable can be calculated also through SystemCoreClockUpdate function. * @param HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro) * @retval None */ void LL_SetSystemCoreClock(uint32_t HCLKFrequency) { 80015b0: b580 push {r7, lr} 80015b2: b082 sub sp, #8 80015b4: af00 add r7, sp, #0 80015b6: 6078 str r0, [r7, #4] /* HCLK clock frequency */ SystemCoreClock = HCLKFrequency; 80015b8: 4b03 ldr r3, [pc, #12] ; (80015c8 ) 80015ba: 687a ldr r2, [r7, #4] 80015bc: 601a str r2, [r3, #0] } 80015be: 46c0 nop ; (mov r8, r8) 80015c0: 46bd mov sp, r7 80015c2: b002 add sp, #8 80015c4: bd80 pop {r7, pc} 80015c6: 46c0 nop ; (mov r8, r8) 80015c8: 20000000 .word 0x20000000 080015cc : * - SUCCESS: Max frequency configuration done * - ERROR: Max frequency configuration not done */ ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct) { 80015cc: b590 push {r4, r7, lr} 80015ce: b085 sub sp, #20 80015d0: af00 add r7, sp, #0 80015d2: 6078 str r0, [r7, #4] 80015d4: 6039 str r1, [r7, #0] ErrorStatus status = SUCCESS; 80015d6: 230f movs r3, #15 80015d8: 18fb adds r3, r7, r3 80015da: 2201 movs r2, #1 80015dc: 701a strb r2, [r3, #0] uint32_t pllfreq = 0U; 80015de: 2300 movs r3, #0 80015e0: 60bb str r3, [r7, #8] /* Check if one of the PLL is enabled */ if (UTILS_PLL_IsBusy() == SUCCESS) 80015e2: f000 f8d4 bl 800178e 80015e6: 0003 movs r3, r0 80015e8: 2b01 cmp r3, #1 80015ea: d128 bne.n 800163e #if defined(RCC_PLLSRC_PREDIV1_SUPPORT) /* Check PREDIV value */ assert_param(IS_LL_UTILS_PREDIV_VALUE(UTILS_PLLInitStruct->PLLDiv)); #else /* Force PREDIV value to 2 */ UTILS_PLLInitStruct->Prediv = LL_RCC_PREDIV_DIV_2; 80015ec: 687b ldr r3, [r7, #4] 80015ee: 2201 movs r2, #1 80015f0: 605a str r2, [r3, #4] #endif /*RCC_PLLSRC_PREDIV1_SUPPORT*/ /* Calculate the new PLL output frequency */ pllfreq = UTILS_GetPLLOutputFrequency(HSI_VALUE, UTILS_PLLInitStruct); 80015f2: 687b ldr r3, [r7, #4] 80015f4: 4a17 ldr r2, [pc, #92] ; (8001654 ) 80015f6: 0019 movs r1, r3 80015f8: 0010 movs r0, r2 80015fa: f000 f8ab bl 8001754 80015fe: 0003 movs r3, r0 8001600: 60bb str r3, [r7, #8] /* Enable HSI if not enabled */ if (LL_RCC_HSI_IsReady() != 1U) 8001602: f7ff fec7 bl 8001394 8001606: 0003 movs r3, r0 8001608: 2b01 cmp r3, #1 800160a: d007 beq.n 800161c { LL_RCC_HSI_Enable(); 800160c: f7ff feb4 bl 8001378 while (LL_RCC_HSI_IsReady() != 1U) 8001610: 46c0 nop ; (mov r8, r8) 8001612: f7ff febf bl 8001394 8001616: 0003 movs r3, r0 8001618: 2b01 cmp r3, #1 800161a: d1fa bne.n 8001612 /* Configure PLL */ #if defined(RCC_PLLSRC_PREDIV1_SUPPORT) LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSI, UTILS_PLLInitStruct->PLLMul, UTILS_PLLInitStruct->PLLDiv); #else LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSI_DIV_2, UTILS_PLLInitStruct->PLLMul); 800161c: 687b ldr r3, [r7, #4] 800161e: 681b ldr r3, [r3, #0] 8001620: 0019 movs r1, r3 8001622: 2000 movs r0, #0 8001624: f7ff ff32 bl 800148c #endif /*RCC_PLLSRC_PREDIV1_SUPPORT*/ /* Enable PLL and switch system clock to PLL */ status = UTILS_EnablePLLAndSwitchSystem(pllfreq, UTILS_ClkInitStruct); 8001628: 230f movs r3, #15 800162a: 18fc adds r4, r7, r3 800162c: 683a ldr r2, [r7, #0] 800162e: 68bb ldr r3, [r7, #8] 8001630: 0011 movs r1, r2 8001632: 0018 movs r0, r3 8001634: f000 f8be bl 80017b4 8001638: 0003 movs r3, r0 800163a: 7023 strb r3, [r4, #0] 800163c: e003 b.n 8001646 } else { /* Current PLL configuration cannot be modified */ status = ERROR; 800163e: 230f movs r3, #15 8001640: 18fb adds r3, r7, r3 8001642: 2200 movs r2, #0 8001644: 701a strb r2, [r3, #0] } return status; 8001646: 230f movs r3, #15 8001648: 18fb adds r3, r7, r3 800164a: 781b ldrb r3, [r3, #0] } 800164c: 0018 movs r0, r3 800164e: 46bd mov sp, r7 8001650: b005 add sp, #20 8001652: bd90 pop {r4, r7, pc} 8001654: 007a1200 .word 0x007a1200 08001658 : * - SUCCESS: Max frequency configuration done * - ERROR: Max frequency configuration not done */ ErrorStatus LL_PLL_ConfigSystemClock_HSE(uint32_t HSEFrequency, uint32_t HSEBypass, LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct) { 8001658: b590 push {r4, r7, lr} 800165a: b087 sub sp, #28 800165c: af00 add r7, sp, #0 800165e: 60f8 str r0, [r7, #12] 8001660: 60b9 str r1, [r7, #8] 8001662: 607a str r2, [r7, #4] 8001664: 603b str r3, [r7, #0] ErrorStatus status = SUCCESS; 8001666: 2317 movs r3, #23 8001668: 18fb adds r3, r7, r3 800166a: 2201 movs r2, #1 800166c: 701a strb r2, [r3, #0] uint32_t pllfreq = 0U; 800166e: 2300 movs r3, #0 8001670: 613b str r3, [r7, #16] /* Check the parameters */ assert_param(IS_LL_UTILS_HSE_FREQUENCY(HSEFrequency)); assert_param(IS_LL_UTILS_HSE_BYPASS(HSEBypass)); /* Check if one of the PLL is enabled */ if (UTILS_PLL_IsBusy() == SUCCESS) 8001672: f000 f88c bl 800178e 8001676: 0003 movs r3, r0 8001678: 2b01 cmp r3, #1 800167a: d132 bne.n 80016e2 #else assert_param(IS_LL_UTILS_PREDIV_VALUE(UTILS_PLLInitStruct->Prediv)); #endif /*RCC_PLLSRC_PREDIV1_SUPPORT*/ /* Calculate the new PLL output frequency */ pllfreq = UTILS_GetPLLOutputFrequency(HSEFrequency, UTILS_PLLInitStruct); 800167c: 687a ldr r2, [r7, #4] 800167e: 68fb ldr r3, [r7, #12] 8001680: 0011 movs r1, r2 8001682: 0018 movs r0, r3 8001684: f000 f866 bl 8001754 8001688: 0003 movs r3, r0 800168a: 613b str r3, [r7, #16] /* Enable HSE if not enabled */ if (LL_RCC_HSE_IsReady() != 1U) 800168c: f7ff fe60 bl 8001350 8001690: 0003 movs r3, r0 8001692: 2b01 cmp r3, #1 8001694: d00f beq.n 80016b6 { /* Check if need to enable HSE bypass feature or not */ if (HSEBypass == LL_UTILS_HSEBYPASS_ON) 8001696: 68bb ldr r3, [r7, #8] 8001698: 2b01 cmp r3, #1 800169a: d102 bne.n 80016a2 { LL_RCC_HSE_EnableBypass(); 800169c: f7ff fe2c bl 80012f8 80016a0: e001 b.n 80016a6 } else { LL_RCC_HSE_DisableBypass(); 80016a2: f7ff fe37 bl 8001314 } /* Enable HSE */ LL_RCC_HSE_Enable(); 80016a6: f7ff fe45 bl 8001334 while (LL_RCC_HSE_IsReady() != 1U) 80016aa: 46c0 nop ; (mov r8, r8) 80016ac: f7ff fe50 bl 8001350 80016b0: 0003 movs r3, r0 80016b2: 2b01 cmp r3, #1 80016b4: d1fa bne.n 80016ac /* Configure PLL */ #if defined(RCC_PLLSRC_PREDIV1_SUPPORT) LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSE, UTILS_PLLInitStruct->PLLMul, UTILS_PLLInitStruct->PLLDiv); #else LL_RCC_PLL_ConfigDomain_SYS((RCC_CFGR_PLLSRC_HSE_PREDIV | UTILS_PLLInitStruct->Prediv), UTILS_PLLInitStruct->PLLMul); 80016b6: 687b ldr r3, [r7, #4] 80016b8: 685b ldr r3, [r3, #4] 80016ba: 2280 movs r2, #128 ; 0x80 80016bc: 0252 lsls r2, r2, #9 80016be: 431a orrs r2, r3 80016c0: 687b ldr r3, [r7, #4] 80016c2: 681b ldr r3, [r3, #0] 80016c4: 0019 movs r1, r3 80016c6: 0010 movs r0, r2 80016c8: f7ff fee0 bl 800148c #endif /*RCC_PLLSRC_PREDIV1_SUPPORT*/ /* Enable PLL and switch system clock to PLL */ status = UTILS_EnablePLLAndSwitchSystem(pllfreq, UTILS_ClkInitStruct); 80016cc: 2317 movs r3, #23 80016ce: 18fc adds r4, r7, r3 80016d0: 683a ldr r2, [r7, #0] 80016d2: 693b ldr r3, [r7, #16] 80016d4: 0011 movs r1, r2 80016d6: 0018 movs r0, r3 80016d8: f000 f86c bl 80017b4 80016dc: 0003 movs r3, r0 80016de: 7023 strb r3, [r4, #0] 80016e0: e003 b.n 80016ea } else { /* Current PLL configuration cannot be modified */ status = ERROR; 80016e2: 2317 movs r3, #23 80016e4: 18fb adds r3, r7, r3 80016e6: 2200 movs r2, #0 80016e8: 701a strb r2, [r3, #0] } return status; 80016ea: 2317 movs r3, #23 80016ec: 18fb adds r3, r7, r3 80016ee: 781b ldrb r3, [r3, #0] } 80016f0: 0018 movs r0, r3 80016f2: 46bd mov sp, r7 80016f4: b007 add sp, #28 80016f6: bd90 pop {r4, r7, pc} 080016f8 : * @retval An ErrorStatus enumeration value: * - SUCCESS: Latency has been modified * - ERROR: Latency cannot be modified */ static ErrorStatus UTILS_SetFlashLatency(uint32_t Frequency) { 80016f8: b580 push {r7, lr} 80016fa: b084 sub sp, #16 80016fc: af00 add r7, sp, #0 80016fe: 6078 str r0, [r7, #4] ErrorStatus status = SUCCESS; 8001700: 210f movs r1, #15 8001702: 187b adds r3, r7, r1 8001704: 2201 movs r2, #1 8001706: 701a strb r2, [r3, #0] uint32_t latency = LL_FLASH_LATENCY_0; /* default value 0WS */ 8001708: 2300 movs r3, #0 800170a: 60bb str r3, [r7, #8] /* Frequency cannot be equal to 0 */ if (Frequency == 0U) 800170c: 687b ldr r3, [r7, #4] 800170e: 2b00 cmp r3, #0 8001710: d103 bne.n 800171a { status = ERROR; 8001712: 187b adds r3, r7, r1 8001714: 2200 movs r2, #0 8001716: 701a strb r2, [r3, #0] 8001718: e013 b.n 8001742 } else { if (Frequency > UTILS_LATENCY1_FREQ) 800171a: 687b ldr r3, [r7, #4] 800171c: 4a0c ldr r2, [pc, #48] ; (8001750 ) 800171e: 4293 cmp r3, r2 8001720: d901 bls.n 8001726 { /* 24 < SYSCLK <= 48 => 1WS (2 CPU cycles) */ latency = LL_FLASH_LATENCY_1; 8001722: 2301 movs r3, #1 8001724: 60bb str r3, [r7, #8] } /* else SYSCLK < 24MHz default LL_FLASH_LATENCY_0 0WS */ LL_FLASH_SetLatency(latency); 8001726: 68bb ldr r3, [r7, #8] 8001728: 0018 movs r0, r3 800172a: f7ff feef bl 800150c /* Check that the new number of wait states is taken into account to access the Flash memory by reading the FLASH_ACR register */ if (LL_FLASH_GetLatency() != latency) 800172e: f7ff ff01 bl 8001534 8001732: 0002 movs r2, r0 8001734: 68bb ldr r3, [r7, #8] 8001736: 4293 cmp r3, r2 8001738: d003 beq.n 8001742 { status = ERROR; 800173a: 230f movs r3, #15 800173c: 18fb adds r3, r7, r3 800173e: 2200 movs r2, #0 8001740: 701a strb r2, [r3, #0] } } return status; 8001742: 230f movs r3, #15 8001744: 18fb adds r3, r7, r3 8001746: 781b ldrb r3, [r3, #0] } 8001748: 0018 movs r0, r3 800174a: 46bd mov sp, r7 800174c: b004 add sp, #16 800174e: bd80 pop {r7, pc} 8001750: 016e3600 .word 0x016e3600 08001754 : * @param UTILS_PLLInitStruct pointer to a @ref LL_UTILS_PLLInitTypeDef structure that contains * the configuration information for the PLL. * @retval PLL output frequency (in Hz) */ static uint32_t UTILS_GetPLLOutputFrequency(uint32_t PLL_InputFrequency, LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct) { 8001754: b580 push {r7, lr} 8001756: b084 sub sp, #16 8001758: af00 add r7, sp, #0 800175a: 6078 str r0, [r7, #4] 800175c: 6039 str r1, [r7, #0] uint32_t pllfreq = 0U; 800175e: 2300 movs r3, #0 8001760: 60fb str r3, [r7, #12] /* The application software must set correctly the PLL multiplication factor to be in the range 16-48MHz */ #if defined(RCC_PLLSRC_PREDIV1_SUPPORT) pllfreq = __LL_RCC_CALC_PLLCLK_FREQ(PLL_InputFrequency, UTILS_PLLInitStruct->PLLMul, UTILS_PLLInitStruct->PLLDiv); #else pllfreq = __LL_RCC_CALC_PLLCLK_FREQ(PLL_InputFrequency / (UTILS_PLLInitStruct->Prediv + 1U), UTILS_PLLInitStruct->PLLMul); 8001762: 683b ldr r3, [r7, #0] 8001764: 685b ldr r3, [r3, #4] 8001766: 3301 adds r3, #1 8001768: 0019 movs r1, r3 800176a: 6878 ldr r0, [r7, #4] 800176c: f000 f8d0 bl 8001910 <__udivsi3> 8001770: 0003 movs r3, r0 8001772: 0019 movs r1, r3 8001774: 683b ldr r3, [r7, #0] 8001776: 681b ldr r3, [r3, #0] 8001778: 0c9b lsrs r3, r3, #18 800177a: 220f movs r2, #15 800177c: 4013 ands r3, r2 800177e: 3302 adds r3, #2 8001780: 434b muls r3, r1 8001782: 60fb str r3, [r7, #12] #endif /*RCC_PLLSRC_PREDIV1_SUPPORT*/ assert_param(IS_LL_UTILS_PLL_FREQUENCY(pllfreq)); return pllfreq; 8001784: 68fb ldr r3, [r7, #12] } 8001786: 0018 movs r0, r3 8001788: 46bd mov sp, r7 800178a: b004 add sp, #16 800178c: bd80 pop {r7, pc} 0800178e : * @retval An ErrorStatus enumeration value: * - SUCCESS: PLL modification can be done * - ERROR: PLL is busy */ static ErrorStatus UTILS_PLL_IsBusy(void) { 800178e: b580 push {r7, lr} 8001790: b082 sub sp, #8 8001792: af00 add r7, sp, #0 ErrorStatus status = SUCCESS; 8001794: 1dfb adds r3, r7, #7 8001796: 2201 movs r2, #1 8001798: 701a strb r2, [r3, #0] /* Check if PLL is busy*/ if (LL_RCC_PLL_IsReady() != 0U) 800179a: f7ff fe63 bl 8001464 800179e: 1e03 subs r3, r0, #0 80017a0: d002 beq.n 80017a8 { /* PLL configuration cannot be modified */ status = ERROR; 80017a2: 1dfb adds r3, r7, #7 80017a4: 2200 movs r2, #0 80017a6: 701a strb r2, [r3, #0] } return status; 80017a8: 1dfb adds r3, r7, #7 80017aa: 781b ldrb r3, [r3, #0] } 80017ac: 0018 movs r0, r3 80017ae: 46bd mov sp, r7 80017b0: b002 add sp, #8 80017b2: bd80 pop {r7, pc} 080017b4 : * @retval An ErrorStatus enumeration value: * - SUCCESS: No problem to switch system to PLL * - ERROR: Problem to switch system to PLL */ static ErrorStatus UTILS_EnablePLLAndSwitchSystem(uint32_t SYSCLK_Frequency, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct) { 80017b4: b590 push {r4, r7, lr} 80017b6: b085 sub sp, #20 80017b8: af00 add r7, sp, #0 80017ba: 6078 str r0, [r7, #4] 80017bc: 6039 str r1, [r7, #0] ErrorStatus status = SUCCESS; 80017be: 200f movs r0, #15 80017c0: 183b adds r3, r7, r0 80017c2: 2201 movs r2, #1 80017c4: 701a strb r2, [r3, #0] uint32_t sysclk_frequency_current = 0U; 80017c6: 2300 movs r3, #0 80017c8: 60bb str r3, [r7, #8] assert_param(IS_LL_UTILS_SYSCLK_DIV(UTILS_ClkInitStruct->AHBCLKDivider)); assert_param(IS_LL_UTILS_APB1_DIV(UTILS_ClkInitStruct->APB1CLKDivider)); /* Calculate current SYSCLK frequency */ sysclk_frequency_current = (SystemCoreClock << AHBPrescTable[(UTILS_ClkInitStruct->AHBCLKDivider & RCC_CFGR_HPRE) >> RCC_POSITION_HPRE]); 80017ca: 4b2e ldr r3, [pc, #184] ; (8001884 ) 80017cc: 681a ldr r2, [r3, #0] 80017ce: 683b ldr r3, [r7, #0] 80017d0: 681b ldr r3, [r3, #0] 80017d2: 091b lsrs r3, r3, #4 80017d4: 210f movs r1, #15 80017d6: 400b ands r3, r1 80017d8: 492b ldr r1, [pc, #172] ; (8001888 ) 80017da: 5ccb ldrb r3, [r1, r3] 80017dc: 409a lsls r2, r3 80017de: 0013 movs r3, r2 80017e0: 60bb str r3, [r7, #8] /* Increasing the number of wait states because of higher CPU frequency */ if (sysclk_frequency_current < SYSCLK_Frequency) 80017e2: 68ba ldr r2, [r7, #8] 80017e4: 687b ldr r3, [r7, #4] 80017e6: 429a cmp r2, r3 80017e8: d206 bcs.n 80017f8 { /* Set FLASH latency to highest latency */ status = UTILS_SetFlashLatency(SYSCLK_Frequency); 80017ea: 183c adds r4, r7, r0 80017ec: 687b ldr r3, [r7, #4] 80017ee: 0018 movs r0, r3 80017f0: f7ff ff82 bl 80016f8 80017f4: 0003 movs r3, r0 80017f6: 7023 strb r3, [r4, #0] } /* Update system clock configuration */ if (status == SUCCESS) 80017f8: 230f movs r3, #15 80017fa: 18fb adds r3, r7, r3 80017fc: 781b ldrb r3, [r3, #0] 80017fe: 2b01 cmp r3, #1 8001800: d11a bne.n 8001838 { /* Enable PLL */ LL_RCC_PLL_Enable(); 8001802: f7ff fe21 bl 8001448 while (LL_RCC_PLL_IsReady() != 1U) 8001806: 46c0 nop ; (mov r8, r8) 8001808: f7ff fe2c bl 8001464 800180c: 0003 movs r3, r0 800180e: 2b01 cmp r3, #1 8001810: d1fa bne.n 8001808 { /* Wait for PLL ready */ } /* Sysclk activation on the main PLL */ LL_RCC_SetAHBPrescaler(UTILS_ClkInitStruct->AHBCLKDivider); 8001812: 683b ldr r3, [r7, #0] 8001814: 681b ldr r3, [r3, #0] 8001816: 0018 movs r0, r3 8001818: f7ff fdec bl 80013f4 LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL); 800181c: 2002 movs r0, #2 800181e: f7ff fdc9 bl 80013b4 while (LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL) 8001822: 46c0 nop ; (mov r8, r8) 8001824: f7ff fdda bl 80013dc 8001828: 0003 movs r3, r0 800182a: 2b08 cmp r3, #8 800182c: d1fa bne.n 8001824 { /* Wait for system clock switch to PLL */ } /* Set APB1 & APB2 prescaler*/ LL_RCC_SetAPB1Prescaler(UTILS_ClkInitStruct->APB1CLKDivider); 800182e: 683b ldr r3, [r7, #0] 8001830: 685b ldr r3, [r3, #4] 8001832: 0018 movs r0, r3 8001834: f7ff fdf2 bl 800141c } /* Decreasing the number of wait states because of lower CPU frequency */ if (sysclk_frequency_current > SYSCLK_Frequency) 8001838: 68ba ldr r2, [r7, #8] 800183a: 687b ldr r3, [r7, #4] 800183c: 429a cmp r2, r3 800183e: d907 bls.n 8001850 { /* Set FLASH latency to lowest latency */ status = UTILS_SetFlashLatency(SYSCLK_Frequency); 8001840: 230f movs r3, #15 8001842: 18fc adds r4, r7, r3 8001844: 687b ldr r3, [r7, #4] 8001846: 0018 movs r0, r3 8001848: f7ff ff56 bl 80016f8 800184c: 0003 movs r3, r0 800184e: 7023 strb r3, [r4, #0] } /* Update SystemCoreClock variable */ if (status == SUCCESS) 8001850: 230f movs r3, #15 8001852: 18fb adds r3, r7, r3 8001854: 781b ldrb r3, [r3, #0] 8001856: 2b01 cmp r3, #1 8001858: d10c bne.n 8001874 { LL_SetSystemCoreClock(__LL_RCC_CALC_HCLK_FREQ(SYSCLK_Frequency, UTILS_ClkInitStruct->AHBCLKDivider)); 800185a: 683b ldr r3, [r7, #0] 800185c: 681b ldr r3, [r3, #0] 800185e: 091b lsrs r3, r3, #4 8001860: 220f movs r2, #15 8001862: 4013 ands r3, r2 8001864: 4a08 ldr r2, [pc, #32] ; (8001888 ) 8001866: 5cd3 ldrb r3, [r2, r3] 8001868: 001a movs r2, r3 800186a: 687b ldr r3, [r7, #4] 800186c: 40d3 lsrs r3, r2 800186e: 0018 movs r0, r3 8001870: f7ff fe9e bl 80015b0 } return status; 8001874: 230f movs r3, #15 8001876: 18fb adds r3, r7, r3 8001878: 781b ldrb r3, [r3, #0] } 800187a: 0018 movs r0, r3 800187c: 46bd mov sp, r7 800187e: b005 add sp, #20 8001880: bd90 pop {r4, r7, pc} 8001882: 46c0 nop ; (mov r8, r8) 8001884: 20000000 .word 0x20000000 8001888: 08001c4c .word 0x08001c4c 0800188c <__sinit>: #include int __errno = 0; void *_impure_ptr = NULL; void __sinit(void) { 800188c: b580 push {r7, lr} 800188e: af00 add r7, sp, #0 } 8001890: 46c0 nop ; (mov r8, r8) 8001892: 46bd mov sp, r7 8001894: bd80 pop {r7, pc} 08001896 : void *memset(void *s, int c, size_t n) { 8001896: b580 push {r7, lr} 8001898: b086 sub sp, #24 800189a: af00 add r7, sp, #0 800189c: 60f8 str r0, [r7, #12] 800189e: 60b9 str r1, [r7, #8] 80018a0: 607a str r2, [r7, #4] char *end = (char *)s + n; 80018a2: 68fa ldr r2, [r7, #12] 80018a4: 687b ldr r3, [r7, #4] 80018a6: 18d3 adds r3, r2, r3 80018a8: 613b str r3, [r7, #16] for (char *p = (char *)s; p < end; p++) 80018aa: 68fb ldr r3, [r7, #12] 80018ac: 617b str r3, [r7, #20] 80018ae: e006 b.n 80018be *p = (char)c; 80018b0: 68bb ldr r3, [r7, #8] 80018b2: b2da uxtb r2, r3 80018b4: 697b ldr r3, [r7, #20] 80018b6: 701a strb r2, [r3, #0] for (char *p = (char *)s; p < end; p++) 80018b8: 697b ldr r3, [r7, #20] 80018ba: 3301 adds r3, #1 80018bc: 617b str r3, [r7, #20] 80018be: 697a ldr r2, [r7, #20] 80018c0: 693b ldr r3, [r7, #16] 80018c2: 429a cmp r2, r3 80018c4: d3f4 bcc.n 80018b0 return s; 80018c6: 68fb ldr r3, [r7, #12] } 80018c8: 0018 movs r0, r3 80018ca: 46bd mov sp, r7 80018cc: b006 add sp, #24 80018ce: bd80 pop {r7, pc} 080018d0 : size_t strlen(const char *s) { 80018d0: b580 push {r7, lr} 80018d2: b084 sub sp, #16 80018d4: af00 add r7, sp, #0 80018d6: 6078 str r0, [r7, #4] const char *start = s; 80018d8: 687b ldr r3, [r7, #4] 80018da: 60fb str r3, [r7, #12] while (*s++); 80018dc: 46c0 nop ; (mov r8, r8) 80018de: 687b ldr r3, [r7, #4] 80018e0: 1c5a adds r2, r3, #1 80018e2: 607a str r2, [r7, #4] 80018e4: 781b ldrb r3, [r3, #0] 80018e6: 2b00 cmp r3, #0 80018e8: d1f9 bne.n 80018de return s - start - 1; 80018ea: 687a ldr r2, [r7, #4] 80018ec: 68fb ldr r3, [r7, #12] 80018ee: 1ad3 subs r3, r2, r3 80018f0: 3b01 subs r3, #1 } 80018f2: 0018 movs r0, r3 80018f4: 46bd mov sp, r7 80018f6: b004 add sp, #16 80018f8: bd80 pop {r7, pc} 080018fa <__assert_func>: void __assert_func(bool value) { 80018fa: b580 push {r7, lr} 80018fc: b082 sub sp, #8 80018fe: af00 add r7, sp, #0 8001900: 0002 movs r2, r0 8001902: 1dfb adds r3, r7, #7 8001904: 701a strb r2, [r3, #0] } 8001906: 46c0 nop ; (mov r8, r8) 8001908: 46bd mov sp, r7 800190a: b002 add sp, #8 800190c: bd80 pop {r7, pc} ... 08001910 <__udivsi3>: 8001910: 2200 movs r2, #0 8001912: 0843 lsrs r3, r0, #1 8001914: 428b cmp r3, r1 8001916: d374 bcc.n 8001a02 <__udivsi3+0xf2> 8001918: 0903 lsrs r3, r0, #4 800191a: 428b cmp r3, r1 800191c: d35f bcc.n 80019de <__udivsi3+0xce> 800191e: 0a03 lsrs r3, r0, #8 8001920: 428b cmp r3, r1 8001922: d344 bcc.n 80019ae <__udivsi3+0x9e> 8001924: 0b03 lsrs r3, r0, #12 8001926: 428b cmp r3, r1 8001928: d328 bcc.n 800197c <__udivsi3+0x6c> 800192a: 0c03 lsrs r3, r0, #16 800192c: 428b cmp r3, r1 800192e: d30d bcc.n 800194c <__udivsi3+0x3c> 8001930: 22ff movs r2, #255 ; 0xff 8001932: 0209 lsls r1, r1, #8 8001934: ba12 rev r2, r2 8001936: 0c03 lsrs r3, r0, #16 8001938: 428b cmp r3, r1 800193a: d302 bcc.n 8001942 <__udivsi3+0x32> 800193c: 1212 asrs r2, r2, #8 800193e: 0209 lsls r1, r1, #8 8001940: d065 beq.n 8001a0e <__udivsi3+0xfe> 8001942: 0b03 lsrs r3, r0, #12 8001944: 428b cmp r3, r1 8001946: d319 bcc.n 800197c <__udivsi3+0x6c> 8001948: e000 b.n 800194c <__udivsi3+0x3c> 800194a: 0a09 lsrs r1, r1, #8 800194c: 0bc3 lsrs r3, r0, #15 800194e: 428b cmp r3, r1 8001950: d301 bcc.n 8001956 <__udivsi3+0x46> 8001952: 03cb lsls r3, r1, #15 8001954: 1ac0 subs r0, r0, r3 8001956: 4152 adcs r2, r2 8001958: 0b83 lsrs r3, r0, #14 800195a: 428b cmp r3, r1 800195c: d301 bcc.n 8001962 <__udivsi3+0x52> 800195e: 038b lsls r3, r1, #14 8001960: 1ac0 subs r0, r0, r3 8001962: 4152 adcs r2, r2 8001964: 0b43 lsrs r3, r0, #13 8001966: 428b cmp r3, r1 8001968: d301 bcc.n 800196e <__udivsi3+0x5e> 800196a: 034b lsls r3, r1, #13 800196c: 1ac0 subs r0, r0, r3 800196e: 4152 adcs r2, r2 8001970: 0b03 lsrs r3, r0, #12 8001972: 428b cmp r3, r1 8001974: d301 bcc.n 800197a <__udivsi3+0x6a> 8001976: 030b lsls r3, r1, #12 8001978: 1ac0 subs r0, r0, r3 800197a: 4152 adcs r2, r2 800197c: 0ac3 lsrs r3, r0, #11 800197e: 428b cmp r3, r1 8001980: d301 bcc.n 8001986 <__udivsi3+0x76> 8001982: 02cb lsls r3, r1, #11 8001984: 1ac0 subs r0, r0, r3 8001986: 4152 adcs r2, r2 8001988: 0a83 lsrs r3, r0, #10 800198a: 428b cmp r3, r1 800198c: d301 bcc.n 8001992 <__udivsi3+0x82> 800198e: 028b lsls r3, r1, #10 8001990: 1ac0 subs r0, r0, r3 8001992: 4152 adcs r2, r2 8001994: 0a43 lsrs r3, r0, #9 8001996: 428b cmp r3, r1 8001998: d301 bcc.n 800199e <__udivsi3+0x8e> 800199a: 024b lsls r3, r1, #9 800199c: 1ac0 subs r0, r0, r3 800199e: 4152 adcs r2, r2 80019a0: 0a03 lsrs r3, r0, #8 80019a2: 428b cmp r3, r1 80019a4: d301 bcc.n 80019aa <__udivsi3+0x9a> 80019a6: 020b lsls r3, r1, #8 80019a8: 1ac0 subs r0, r0, r3 80019aa: 4152 adcs r2, r2 80019ac: d2cd bcs.n 800194a <__udivsi3+0x3a> 80019ae: 09c3 lsrs r3, r0, #7 80019b0: 428b cmp r3, r1 80019b2: d301 bcc.n 80019b8 <__udivsi3+0xa8> 80019b4: 01cb lsls r3, r1, #7 80019b6: 1ac0 subs r0, r0, r3 80019b8: 4152 adcs r2, r2 80019ba: 0983 lsrs r3, r0, #6 80019bc: 428b cmp r3, r1 80019be: d301 bcc.n 80019c4 <__udivsi3+0xb4> 80019c0: 018b lsls r3, r1, #6 80019c2: 1ac0 subs r0, r0, r3 80019c4: 4152 adcs r2, r2 80019c6: 0943 lsrs r3, r0, #5 80019c8: 428b cmp r3, r1 80019ca: d301 bcc.n 80019d0 <__udivsi3+0xc0> 80019cc: 014b lsls r3, r1, #5 80019ce: 1ac0 subs r0, r0, r3 80019d0: 4152 adcs r2, r2 80019d2: 0903 lsrs r3, r0, #4 80019d4: 428b cmp r3, r1 80019d6: d301 bcc.n 80019dc <__udivsi3+0xcc> 80019d8: 010b lsls r3, r1, #4 80019da: 1ac0 subs r0, r0, r3 80019dc: 4152 adcs r2, r2 80019de: 08c3 lsrs r3, r0, #3 80019e0: 428b cmp r3, r1 80019e2: d301 bcc.n 80019e8 <__udivsi3+0xd8> 80019e4: 00cb lsls r3, r1, #3 80019e6: 1ac0 subs r0, r0, r3 80019e8: 4152 adcs r2, r2 80019ea: 0883 lsrs r3, r0, #2 80019ec: 428b cmp r3, r1 80019ee: d301 bcc.n 80019f4 <__udivsi3+0xe4> 80019f0: 008b lsls r3, r1, #2 80019f2: 1ac0 subs r0, r0, r3 80019f4: 4152 adcs r2, r2 80019f6: 0843 lsrs r3, r0, #1 80019f8: 428b cmp r3, r1 80019fa: d301 bcc.n 8001a00 <__udivsi3+0xf0> 80019fc: 004b lsls r3, r1, #1 80019fe: 1ac0 subs r0, r0, r3 8001a00: 4152 adcs r2, r2 8001a02: 1a41 subs r1, r0, r1 8001a04: d200 bcs.n 8001a08 <__udivsi3+0xf8> 8001a06: 4601 mov r1, r0 8001a08: 4152 adcs r2, r2 8001a0a: 4610 mov r0, r2 8001a0c: 4770 bx lr 8001a0e: e7ff b.n 8001a10 <__udivsi3+0x100> 8001a10: b501 push {r0, lr} 8001a12: 2000 movs r0, #0 8001a14: f000 f8f0 bl 8001bf8 <__aeabi_idiv0> 8001a18: bd02 pop {r1, pc} 8001a1a: 46c0 nop ; (mov r8, r8) 08001a1c <__aeabi_uidivmod>: 8001a1c: 2900 cmp r1, #0 8001a1e: d0f7 beq.n 8001a10 <__udivsi3+0x100> 8001a20: e776 b.n 8001910 <__udivsi3> 8001a22: 4770 bx lr 08001a24 <__divsi3>: 8001a24: 4603 mov r3, r0 8001a26: 430b orrs r3, r1 8001a28: d47f bmi.n 8001b2a <__divsi3+0x106> 8001a2a: 2200 movs r2, #0 8001a2c: 0843 lsrs r3, r0, #1 8001a2e: 428b cmp r3, r1 8001a30: d374 bcc.n 8001b1c <__divsi3+0xf8> 8001a32: 0903 lsrs r3, r0, #4 8001a34: 428b cmp r3, r1 8001a36: d35f bcc.n 8001af8 <__divsi3+0xd4> 8001a38: 0a03 lsrs r3, r0, #8 8001a3a: 428b cmp r3, r1 8001a3c: d344 bcc.n 8001ac8 <__divsi3+0xa4> 8001a3e: 0b03 lsrs r3, r0, #12 8001a40: 428b cmp r3, r1 8001a42: d328 bcc.n 8001a96 <__divsi3+0x72> 8001a44: 0c03 lsrs r3, r0, #16 8001a46: 428b cmp r3, r1 8001a48: d30d bcc.n 8001a66 <__divsi3+0x42> 8001a4a: 22ff movs r2, #255 ; 0xff 8001a4c: 0209 lsls r1, r1, #8 8001a4e: ba12 rev r2, r2 8001a50: 0c03 lsrs r3, r0, #16 8001a52: 428b cmp r3, r1 8001a54: d302 bcc.n 8001a5c <__divsi3+0x38> 8001a56: 1212 asrs r2, r2, #8 8001a58: 0209 lsls r1, r1, #8 8001a5a: d065 beq.n 8001b28 <__divsi3+0x104> 8001a5c: 0b03 lsrs r3, r0, #12 8001a5e: 428b cmp r3, r1 8001a60: d319 bcc.n 8001a96 <__divsi3+0x72> 8001a62: e000 b.n 8001a66 <__divsi3+0x42> 8001a64: 0a09 lsrs r1, r1, #8 8001a66: 0bc3 lsrs r3, r0, #15 8001a68: 428b cmp r3, r1 8001a6a: d301 bcc.n 8001a70 <__divsi3+0x4c> 8001a6c: 03cb lsls r3, r1, #15 8001a6e: 1ac0 subs r0, r0, r3 8001a70: 4152 adcs r2, r2 8001a72: 0b83 lsrs r3, r0, #14 8001a74: 428b cmp r3, r1 8001a76: d301 bcc.n 8001a7c <__divsi3+0x58> 8001a78: 038b lsls r3, r1, #14 8001a7a: 1ac0 subs r0, r0, r3 8001a7c: 4152 adcs r2, r2 8001a7e: 0b43 lsrs r3, r0, #13 8001a80: 428b cmp r3, r1 8001a82: d301 bcc.n 8001a88 <__divsi3+0x64> 8001a84: 034b lsls r3, r1, #13 8001a86: 1ac0 subs r0, r0, r3 8001a88: 4152 adcs r2, r2 8001a8a: 0b03 lsrs r3, r0, #12 8001a8c: 428b cmp r3, r1 8001a8e: d301 bcc.n 8001a94 <__divsi3+0x70> 8001a90: 030b lsls r3, r1, #12 8001a92: 1ac0 subs r0, r0, r3 8001a94: 4152 adcs r2, r2 8001a96: 0ac3 lsrs r3, r0, #11 8001a98: 428b cmp r3, r1 8001a9a: d301 bcc.n 8001aa0 <__divsi3+0x7c> 8001a9c: 02cb lsls r3, r1, #11 8001a9e: 1ac0 subs r0, r0, r3 8001aa0: 4152 adcs r2, r2 8001aa2: 0a83 lsrs r3, r0, #10 8001aa4: 428b cmp r3, r1 8001aa6: d301 bcc.n 8001aac <__divsi3+0x88> 8001aa8: 028b lsls r3, r1, #10 8001aaa: 1ac0 subs r0, r0, r3 8001aac: 4152 adcs r2, r2 8001aae: 0a43 lsrs r3, r0, #9 8001ab0: 428b cmp r3, r1 8001ab2: d301 bcc.n 8001ab8 <__divsi3+0x94> 8001ab4: 024b lsls r3, r1, #9 8001ab6: 1ac0 subs r0, r0, r3 8001ab8: 4152 adcs r2, r2 8001aba: 0a03 lsrs r3, r0, #8 8001abc: 428b cmp r3, r1 8001abe: d301 bcc.n 8001ac4 <__divsi3+0xa0> 8001ac0: 020b lsls r3, r1, #8 8001ac2: 1ac0 subs r0, r0, r3 8001ac4: 4152 adcs r2, r2 8001ac6: d2cd bcs.n 8001a64 <__divsi3+0x40> 8001ac8: 09c3 lsrs r3, r0, #7 8001aca: 428b cmp r3, r1 8001acc: d301 bcc.n 8001ad2 <__divsi3+0xae> 8001ace: 01cb lsls r3, r1, #7 8001ad0: 1ac0 subs r0, r0, r3 8001ad2: 4152 adcs r2, r2 8001ad4: 0983 lsrs r3, r0, #6 8001ad6: 428b cmp r3, r1 8001ad8: d301 bcc.n 8001ade <__divsi3+0xba> 8001ada: 018b lsls r3, r1, #6 8001adc: 1ac0 subs r0, r0, r3 8001ade: 4152 adcs r2, r2 8001ae0: 0943 lsrs r3, r0, #5 8001ae2: 428b cmp r3, r1 8001ae4: d301 bcc.n 8001aea <__divsi3+0xc6> 8001ae6: 014b lsls r3, r1, #5 8001ae8: 1ac0 subs r0, r0, r3 8001aea: 4152 adcs r2, r2 8001aec: 0903 lsrs r3, r0, #4 8001aee: 428b cmp r3, r1 8001af0: d301 bcc.n 8001af6 <__divsi3+0xd2> 8001af2: 010b lsls r3, r1, #4 8001af4: 1ac0 subs r0, r0, r3 8001af6: 4152 adcs r2, r2 8001af8: 08c3 lsrs r3, r0, #3 8001afa: 428b cmp r3, r1 8001afc: d301 bcc.n 8001b02 <__divsi3+0xde> 8001afe: 00cb lsls r3, r1, #3 8001b00: 1ac0 subs r0, r0, r3 8001b02: 4152 adcs r2, r2 8001b04: 0883 lsrs r3, r0, #2 8001b06: 428b cmp r3, r1 8001b08: d301 bcc.n 8001b0e <__divsi3+0xea> 8001b0a: 008b lsls r3, r1, #2 8001b0c: 1ac0 subs r0, r0, r3 8001b0e: 4152 adcs r2, r2 8001b10: 0843 lsrs r3, r0, #1 8001b12: 428b cmp r3, r1 8001b14: d301 bcc.n 8001b1a <__divsi3+0xf6> 8001b16: 004b lsls r3, r1, #1 8001b18: 1ac0 subs r0, r0, r3 8001b1a: 4152 adcs r2, r2 8001b1c: 1a41 subs r1, r0, r1 8001b1e: d200 bcs.n 8001b22 <__divsi3+0xfe> 8001b20: 4601 mov r1, r0 8001b22: 4152 adcs r2, r2 8001b24: 4610 mov r0, r2 8001b26: 4770 bx lr 8001b28: e05d b.n 8001be6 <__divsi3+0x1c2> 8001b2a: 0fca lsrs r2, r1, #31 8001b2c: d000 beq.n 8001b30 <__divsi3+0x10c> 8001b2e: 4249 negs r1, r1 8001b30: 1003 asrs r3, r0, #32 8001b32: d300 bcc.n 8001b36 <__divsi3+0x112> 8001b34: 4240 negs r0, r0 8001b36: 4053 eors r3, r2 8001b38: 2200 movs r2, #0 8001b3a: 469c mov ip, r3 8001b3c: 0903 lsrs r3, r0, #4 8001b3e: 428b cmp r3, r1 8001b40: d32d bcc.n 8001b9e <__divsi3+0x17a> 8001b42: 0a03 lsrs r3, r0, #8 8001b44: 428b cmp r3, r1 8001b46: d312 bcc.n 8001b6e <__divsi3+0x14a> 8001b48: 22fc movs r2, #252 ; 0xfc 8001b4a: 0189 lsls r1, r1, #6 8001b4c: ba12 rev r2, r2 8001b4e: 0a03 lsrs r3, r0, #8 8001b50: 428b cmp r3, r1 8001b52: d30c bcc.n 8001b6e <__divsi3+0x14a> 8001b54: 0189 lsls r1, r1, #6 8001b56: 1192 asrs r2, r2, #6 8001b58: 428b cmp r3, r1 8001b5a: d308 bcc.n 8001b6e <__divsi3+0x14a> 8001b5c: 0189 lsls r1, r1, #6 8001b5e: 1192 asrs r2, r2, #6 8001b60: 428b cmp r3, r1 8001b62: d304 bcc.n 8001b6e <__divsi3+0x14a> 8001b64: 0189 lsls r1, r1, #6 8001b66: d03a beq.n 8001bde <__divsi3+0x1ba> 8001b68: 1192 asrs r2, r2, #6 8001b6a: e000 b.n 8001b6e <__divsi3+0x14a> 8001b6c: 0989 lsrs r1, r1, #6 8001b6e: 09c3 lsrs r3, r0, #7 8001b70: 428b cmp r3, r1 8001b72: d301 bcc.n 8001b78 <__divsi3+0x154> 8001b74: 01cb lsls r3, r1, #7 8001b76: 1ac0 subs r0, r0, r3 8001b78: 4152 adcs r2, r2 8001b7a: 0983 lsrs r3, r0, #6 8001b7c: 428b cmp r3, r1 8001b7e: d301 bcc.n 8001b84 <__divsi3+0x160> 8001b80: 018b lsls r3, r1, #6 8001b82: 1ac0 subs r0, r0, r3 8001b84: 4152 adcs r2, r2 8001b86: 0943 lsrs r3, r0, #5 8001b88: 428b cmp r3, r1 8001b8a: d301 bcc.n 8001b90 <__divsi3+0x16c> 8001b8c: 014b lsls r3, r1, #5 8001b8e: 1ac0 subs r0, r0, r3 8001b90: 4152 adcs r2, r2 8001b92: 0903 lsrs r3, r0, #4 8001b94: 428b cmp r3, r1 8001b96: d301 bcc.n 8001b9c <__divsi3+0x178> 8001b98: 010b lsls r3, r1, #4 8001b9a: 1ac0 subs r0, r0, r3 8001b9c: 4152 adcs r2, r2 8001b9e: 08c3 lsrs r3, r0, #3 8001ba0: 428b cmp r3, r1 8001ba2: d301 bcc.n 8001ba8 <__divsi3+0x184> 8001ba4: 00cb lsls r3, r1, #3 8001ba6: 1ac0 subs r0, r0, r3 8001ba8: 4152 adcs r2, r2 8001baa: 0883 lsrs r3, r0, #2 8001bac: 428b cmp r3, r1 8001bae: d301 bcc.n 8001bb4 <__divsi3+0x190> 8001bb0: 008b lsls r3, r1, #2 8001bb2: 1ac0 subs r0, r0, r3 8001bb4: 4152 adcs r2, r2 8001bb6: d2d9 bcs.n 8001b6c <__divsi3+0x148> 8001bb8: 0843 lsrs r3, r0, #1 8001bba: 428b cmp r3, r1 8001bbc: d301 bcc.n 8001bc2 <__divsi3+0x19e> 8001bbe: 004b lsls r3, r1, #1 8001bc0: 1ac0 subs r0, r0, r3 8001bc2: 4152 adcs r2, r2 8001bc4: 1a41 subs r1, r0, r1 8001bc6: d200 bcs.n 8001bca <__divsi3+0x1a6> 8001bc8: 4601 mov r1, r0 8001bca: 4663 mov r3, ip 8001bcc: 4152 adcs r2, r2 8001bce: 105b asrs r3, r3, #1 8001bd0: 4610 mov r0, r2 8001bd2: d301 bcc.n 8001bd8 <__divsi3+0x1b4> 8001bd4: 4240 negs r0, r0 8001bd6: 2b00 cmp r3, #0 8001bd8: d500 bpl.n 8001bdc <__divsi3+0x1b8> 8001bda: 4249 negs r1, r1 8001bdc: 4770 bx lr 8001bde: 4663 mov r3, ip 8001be0: 105b asrs r3, r3, #1 8001be2: d300 bcc.n 8001be6 <__divsi3+0x1c2> 8001be4: 4240 negs r0, r0 8001be6: b501 push {r0, lr} 8001be8: 2000 movs r0, #0 8001bea: f000 f805 bl 8001bf8 <__aeabi_idiv0> 8001bee: bd02 pop {r1, pc} 08001bf0 <__aeabi_idivmod>: 8001bf0: 2900 cmp r1, #0 8001bf2: d0f8 beq.n 8001be6 <__divsi3+0x1c2> 8001bf4: e716 b.n 8001a24 <__divsi3> 8001bf6: 4770 bx lr 08001bf8 <__aeabi_idiv0>: 8001bf8: 4770 bx lr 8001bfa: 46c0 nop ; (mov r8, r8) 08001bfc : .section .text.Reset_Handler .weak Reset_Handler .type Reset_Handler, %function Reset_Handler: ldr r0, =_estack 8001bfc: 480c ldr r0, [pc, #48] ; (8001c30 ) mov sp, r0 /* set stack pointer */ 8001bfe: 4685 mov sp, r0 /* Copy the data segment initializers from flash to SRAM */ movs r1, #0 8001c00: 2100 movs r1, #0 b LoopCopyDataInit 8001c02: e003 b.n 8001c0c 08001c04 : CopyDataInit: ldr r3, =_sidata 8001c04: 4b0b ldr r3, [pc, #44] ; (8001c34 ) ldr r3, [r3, r1] 8001c06: 585b ldr r3, [r3, r1] str r3, [r0, r1] 8001c08: 5043 str r3, [r0, r1] adds r1, r1, #4 8001c0a: 3104 adds r1, #4 08001c0c : LoopCopyDataInit: ldr r0, =_sdata 8001c0c: 480a ldr r0, [pc, #40] ; (8001c38 ) ldr r3, =_edata 8001c0e: 4b0b ldr r3, [pc, #44] ; (8001c3c ) adds r2, r0, r1 8001c10: 1842 adds r2, r0, r1 cmp r2, r3 8001c12: 429a cmp r2, r3 bcc CopyDataInit 8001c14: d3f6 bcc.n 8001c04 ldr r2, =_sbss 8001c16: 4a0a ldr r2, [pc, #40] ; (8001c40 ) b LoopFillZerobss 8001c18: e002 b.n 8001c20 08001c1a : /* Zero fill the bss segment. */ FillZerobss: movs r3, #0 8001c1a: 2300 movs r3, #0 str r3, [r2] 8001c1c: 6013 str r3, [r2, #0] adds r2, r2, #4 8001c1e: 3204 adds r2, #4 08001c20 : LoopFillZerobss: ldr r3, = _ebss 8001c20: 4b08 ldr r3, [pc, #32] ; (8001c44 ) cmp r2, r3 8001c22: 429a cmp r2, r3 bcc FillZerobss 8001c24: d3f9 bcc.n 8001c1a /* Call the clock system intitialization function.*/ bl SystemInit 8001c26: f7ff faad bl 8001184 /* Call static constructors */ // bl __libc_init_array /* Call the application's entry point.*/ bl main 8001c2a: f7fe faf6 bl 800021a
08001c2e : LoopForever: b LoopForever 8001c2e: e7fe b.n 8001c2e ldr r0, =_estack 8001c30: 20001000 .word 0x20001000 ldr r3, =_sidata 8001c34: 08001c64 .word 0x08001c64 ldr r0, =_sdata 8001c38: 20000000 .word 0x20000000 ldr r3, =_edata 8001c3c: 20000094 .word 0x20000094 ldr r2, =_sbss 8001c40: 20000094 .word 0x20000094 ldr r3, = _ebss 8001c44: 200003b8 .word 0x200003b8 08001c48 : * @retval : None */ .section .text.Default_Handler,"ax",%progbits Default_Handler: Infinite_Loop: b Infinite_Loop 8001c48: e7fe b.n 8001c48 ... 08001c4c : ... 8001c54: 0201 0403 0706 0908 ........ 08001c5c : 8001c5c: 0000 0000 0201 0403 ........