diff options
Diffstat (limited to 'olsndot/firmware')
| -rw-r--r-- | olsndot/firmware/gen_cmsis_exports.py | 30 | ||||
| -rw-r--r-- | olsndot/firmware/openocd.cfg | 10 | ||||
| -rw-r--r-- | olsndot/firmware/startup_stm32f030x6.s | 273 |
3 files changed, 313 insertions, 0 deletions
diff --git a/olsndot/firmware/gen_cmsis_exports.py b/olsndot/firmware/gen_cmsis_exports.py new file mode 100644 index 0000000..ba3422b --- /dev/null +++ b/olsndot/firmware/gen_cmsis_exports.py @@ -0,0 +1,30 @@ +#!/usr/bin/env python3 +import re +import os + +if __name__ == '__main__': + import argparse + + parser = argparse.ArgumentParser() + parser.add_argument('cmsis_device_header', nargs='+', type=argparse.FileType('rb')) + args = parser.parse_args() + + print('#ifndef __GENERATED_CMSIS_HEADER_EXPORTS__') + print('#define __GENERATED_CMSIS_HEADER_EXPORTS__') + print() + for header in args.cmsis_device_header: + lines = header.readlines() + name = os.path.basename(header.name) + print('#include <{}>'.format(name)) + print() + + print('/* {} */'.format(name)) + for l in lines: + match = re.match(b'^#define (\w+)\s+\W*(\w+_TypeDef|\w+_Type).*$', l) + if match: + inst, typedef = match.groups() + inst, typedef = inst.decode(), typedef.decode() + print('{} *{} = {};'.format(typedef, inst.lower(), inst)) + print() + print('#endif//__GENERATED_CMSIS_HEADER_EXPORTS__') + diff --git a/olsndot/firmware/openocd.cfg b/olsndot/firmware/openocd.cfg new file mode 100644 index 0000000..2dc74f0 --- /dev/null +++ b/olsndot/firmware/openocd.cfg @@ -0,0 +1,10 @@ +telnet_port 4444 +gdb_port 3333 + +interface jlink +#adapter_khz 10000 +transport select swd + +source /usr/share/openocd/scripts/target/stm32f0x.cfg + +#flash bank sysflash.alias stm32f0x 0x00000000 0 0 0 $_TARGETNAME diff --git a/olsndot/firmware/startup_stm32f030x6.s b/olsndot/firmware/startup_stm32f030x6.s new file mode 100644 index 0000000..ce81b76 --- /dev/null +++ b/olsndot/firmware/startup_stm32f030x6.s @@ -0,0 +1,273 @@ +/** + ****************************************************************************** + * @file startup_stm32f030x6.s + * copied from: STM32Cube/Drivers/CMSIS/Device/ST/STM32F0xx/Source/Templates/gcc + * @author MCD Application Team + * @version V2.3.1 + * @date 04-November-2016 + * @brief STM32F030x4/STM32F030x6 devices vector table for Atollic TrueSTUDIO toolchain. + * This module performs: + * - Set the initial SP + * - Set the initial PC == Reset_Handler, + * - Set the vector table entries with the exceptions ISR address + * - Branches to main in the C library (which eventually + * calls main()). + * After Reset the Cortex-M0 processor is in Thread mode, + * priority is Privileged, and the Stack is set to Main. + ****************************************************************************** + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + + .syntax unified + .cpu cortex-m0 + .fpu softvfp + .thumb + +.global g_pfnVectors +.global Default_Handler + +/* start address for the initialization values of the .data section. +defined in linker script */ +.word _sidata +/* start address for the .data section. defined in linker script */ +.word _sdata +/* end address for the .data section. defined in linker script */ +.word _edata +/* start address for the .bss section. defined in linker script */ +.word _sbss +/* end address for the .bss section. defined in linker script */ +.word _ebss + + .section .text.Reset_Handler + .weak Reset_Handler + .type Reset_Handler, %function +Reset_Handler: + ldr r0, =_estack + mov sp, r0 /* set stack pointer */ + +/* Copy the data segment initializers from flash to SRAM */ + movs r1, #0 + b LoopCopyDataInit + +CopyDataInit: + ldr r3, =_sidata + ldr r3, [r3, r1] + str r3, [r0, r1] + adds r1, r1, #4 + +LoopCopyDataInit: + ldr r0, =_sdata + ldr r3, =_edata + adds r2, r0, r1 + cmp r2, r3 + bcc CopyDataInit + ldr r2, =_sbss + b LoopFillZerobss +/* Zero fill the bss segment. */ +FillZerobss: + movs r3, #0 + str r3, [r2] + adds r2, r2, #4 + + +LoopFillZerobss: + ldr r3, = _ebss + cmp r2, r3 + bcc FillZerobss + +/* Call the clock system intitialization function.*/ + bl SystemInit +/* Call static constructors */ + bl __libc_init_array +/* Call the application's entry point.*/ + bl main + +LoopForever: + b LoopForever + + +.size Reset_Handler, .-Reset_Handler + +/** + * @brief This is the code that gets called when the processor receives an + * unexpected interrupt. This simply enters an infinite loop, preserving + * the system state for examination by a debugger. + * + * @param None + * @retval : None +*/ + .section .text.Default_Handler,"ax",%progbits +Default_Handler: +Infinite_Loop: + b Infinite_Loop + .size Default_Handler, .-Default_Handler +/****************************************************************************** +* +* The minimal vector table for a Cortex M0. Note that the proper constructs +* must be placed on this to ensure that it ends up at physical address +* 0x0000.0000. +* +******************************************************************************/ + .section .isr_vector,"a",%progbits + .type g_pfnVectors, %object + .size g_pfnVectors, .-g_pfnVectors + + +g_pfnVectors: + .word _estack + .word Reset_Handler + .word NMI_Handler + .word HardFault_Handler + .word 0 + .word 0 + .word 0 + .word 0 + .word 0 + .word 0 + .word 0 + .word SVC_Handler + .word 0 + .word 0 + .word PendSV_Handler + .word SysTick_Handler + .word WWDG_IRQHandler /* Window WatchDog */ + .word 0 /* Reserved */ + .word RTC_IRQHandler /* RTC through the EXTI line */ + .word FLASH_IRQHandler /* FLASH */ + .word RCC_IRQHandler /* RCC */ + .word EXTI0_1_IRQHandler /* EXTI Line 0 and 1 */ + .word EXTI2_3_IRQHandler /* EXTI Line 2 and 3 */ + .word EXTI4_15_IRQHandler /* EXTI Line 4 to 15 */ + .word 0 /* Reserved */ + .word DMA1_Channel1_IRQHandler /* DMA1 Channel 1 */ + .word DMA1_Channel2_3_IRQHandler /* DMA1 Channel 2 and Channel 3 */ + .word DMA1_Channel4_5_IRQHandler /* DMA1 Channel 4 and Channel 5 */ + .word ADC1_IRQHandler /* ADC1 */ + .word TIM1_BRK_UP_TRG_COM_IRQHandler /* TIM1 Break, Update, Trigger and Commutation */ + .word TIM1_CC_IRQHandler /* TIM1 Capture Compare */ + .word 0 /* Reserved */ + .word TIM3_IRQHandler /* TIM3 */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word TIM14_IRQHandler /* TIM14 */ + .word 0 /* Reserved */ + .word TIM16_IRQHandler /* TIM16 */ + .word TIM17_IRQHandler /* TIM17 */ + .word I2C1_IRQHandler /* I2C1 */ + .word 0 /* Reserved */ + .word SPI1_IRQHandler /* SPI1 */ + .word 0 /* Reserved */ + .word USART1_IRQHandler /* USART1 */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + +/******************************************************************************* +* +* Provide weak aliases for each Exception handler to the Default_Handler. +* As they are weak aliases, any function with the same name will override +* this definition. +* +*******************************************************************************/ + + .weak NMI_Handler + .thumb_set NMI_Handler,Default_Handler + + .weak HardFault_Handler + .thumb_set HardFault_Handler,Default_Handler + + .weak SVC_Handler + .thumb_set SVC_Handler,Default_Handler + + .weak PendSV_Handler + .thumb_set PendSV_Handler,Default_Handler + + .weak SysTick_Handler + .thumb_set SysTick_Handler,Default_Handler + + .weak WWDG_IRQHandler + .thumb_set WWDG_IRQHandler,Default_Handler + + .weak RTC_IRQHandler + .thumb_set RTC_IRQHandler,Default_Handler + + .weak FLASH_IRQHandler + .thumb_set FLASH_IRQHandler,Default_Handler + + .weak RCC_IRQHandler + .thumb_set RCC_IRQHandler,Default_Handler + + .weak EXTI0_1_IRQHandler + .thumb_set EXTI0_1_IRQHandler,Default_Handler + + .weak EXTI2_3_IRQHandler + .thumb_set EXTI2_3_IRQHandler,Default_Handler + + .weak EXTI4_15_IRQHandler + .thumb_set EXTI4_15_IRQHandler,Default_Handler + + .weak DMA1_Channel1_IRQHandler + .thumb_set DMA1_Channel1_IRQHandler,Default_Handler + + .weak DMA1_Channel2_3_IRQHandler + .thumb_set DMA1_Channel2_3_IRQHandler,Default_Handler + + .weak DMA1_Channel4_5_IRQHandler + .thumb_set DMA1_Channel4_5_IRQHandler,Default_Handler + + .weak ADC1_IRQHandler + .thumb_set ADC1_IRQHandler,Default_Handler + + .weak TIM1_BRK_UP_TRG_COM_IRQHandler + .thumb_set TIM1_BRK_UP_TRG_COM_IRQHandler,Default_Handler + + .weak TIM1_CC_IRQHandler + .thumb_set TIM1_CC_IRQHandler,Default_Handler + + .weak TIM3_IRQHandler + .thumb_set TIM3_IRQHandler,Default_Handler + + .weak TIM14_IRQHandler + .thumb_set TIM14_IRQHandler,Default_Handler + + .weak TIM16_IRQHandler + .thumb_set TIM16_IRQHandler,Default_Handler + + .weak TIM17_IRQHandler + .thumb_set TIM17_IRQHandler,Default_Handler + + .weak I2C1_IRQHandler + .thumb_set I2C1_IRQHandler,Default_Handler + + .weak SPI1_IRQHandler + .thumb_set SPI1_IRQHandler,Default_Handler + + .weak USART1_IRQHandler + .thumb_set USART1_IRQHandler,Default_Handler + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ + |