diff options
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 195 |
1 files changed, 114 insertions, 81 deletions
@@ -44,40 +44,115 @@ *
******************************************************************************
*/
+
#include "main.h"
+SCB_Type *scb = SCB;
+GPIO_TypeDef *gpioa = GPIOA;
+
USBH_HandleTypeDef hUSBHost;
HID_ApplicationTypeDef Appli_state = APPLICATION_IDLE;
+USART_HandleTypeDef console_uart;
+
static void SystemClock_Config(void);
static void USBH_UserProcess(USBH_HandleTypeDef* phost, uint8_t id);
static void HID_InitApplication(void);
static void Error_Handler(void);
+void WWDG_IRQHandler()
+{
+ while (1);
+}
+
+void uart_print(char *s)
+{
+ /* Like, there is millions of lines of perfectly useless pseudo-comments in the HAL driver. But don't think they'd
+ * say what unit that timeout parameter has in any obvious place. I'll just go with milliseconds here -.- */
+ HAL_USART_Transmit(&console_uart, (uint8_t*)s, strlen(s), 1000);
+}
+
+void uart_putc(char c)
+{
+ /* See above. */
+ HAL_USART_Transmit(&console_uart, (uint8_t*)&c, 1, 1000);
+}
+
+void HAL_USART_MspInit(USART_HandleTypeDef *narf)
+{
+ __HAL_RCC_GPIOA_CLK_ENABLE();
+
+ /* TX */
+ GPIO_InitTypeDef pa9 = {
+ .Pin = GPIO_PIN_9,
+ .Mode = GPIO_MODE_AF_PP,
+ .Pull = GPIO_PULLUP,
+ .Speed = GPIO_SPEED_FREQ_LOW,
+ .Alternate = GPIO_AF7_USART1
+ };
+ HAL_GPIO_Init(GPIOA, &pa9);
+
+ /* RX */
+ GPIO_InitTypeDef pa10 = {
+ .Pin = GPIO_PIN_10,
+ .Mode = GPIO_MODE_AF_PP,
+ .Pull = GPIO_PULLUP,
+ .Speed = GPIO_SPEED_FREQ_LOW,
+ .Alternate = GPIO_AF7_USART1
+ };
+ HAL_GPIO_Init(GPIOA, &pa10);
+}
+
int main(void)
{
HAL_Init();
SystemClock_Config();
+ /* FIXME
HID_InitApplication();
USBH_Init(&hUSBHost, USBH_UserProcess, 0);
USBH_RegisterClass(&hUSBHost, USBH_HID_CLASS);
USBH_Start(&hUSBHost);
-
+ */
+
+ /* LEDs */
+ __HAL_RCC_GPIOA_CLK_ENABLE();
+ __HAL_RCC_USART1_CLK_ENABLE();
+ RCC->AHB1ENR |= RCC_AHB1ENR_GPIOAEN;
+ GPIOA->MODER |=
+ (1<<GPIO_MODER_MODER6_Pos)|
+ (1<<GPIO_MODER_MODER7_Pos);
+
+ GPIOA->OSPEEDR |=
+ (2<<GPIO_OSPEEDR_OSPEED6_Pos)|
+ (2<<GPIO_OSPEEDR_OSPEED7_Pos);
+
+ USART_HandleTypeDef foo = {
+ .Instance = USART1,
+ .Init = {
+ .BaudRate = 115200,
+ .WordLength = USART_WORDLENGTH_8B,
+ .StopBits = USART_STOPBITS_1,
+ .Parity = USART_PARITY_NONE,
+ .Mode = USART_MODE_TX_RX
+ }
+ };
+ console_uart = foo;
+ HAL_USART_Init(&console_uart);
+
+ static int ticks = 0;
while (1) {
- USBH_Process(&hUSBHost);
- HID_MenuProcess();
+ /* FIXME USBH_Process(&hUSBHost); */
+ /* FIXME HID_MenuProcess(); */
+ Toggle_Leds();
+ if (ticks++ == 1000000) {
+ uart_print("This is a test\r\n");
+ ticks = 0;
+ }
}
}
static void HID_InitApplication(void)
{
- BSP_LED_Init(LED1);
- BSP_LED_Init(LED2);
- BSP_LED_Init(LED3);
- BSP_LED_Init(LED4);
-
- BSP_PB_Init(BUTTON_WAKEUP, BUTTON_MODE_GPIO);
-
HID_MenuInit();
}
@@ -104,97 +179,53 @@ static void USBH_UserProcess(USBH_HandleTypeDef* phost, uint8_t id) }
}
-void Toggle_Leds(void)
-{
+void Toggle_Leds(void) {
static uint32_t ticks;
- if (ticks++ == 100) {
- BSP_LED_Toggle(LED1);
- BSP_LED_Toggle(LED2);
- BSP_LED_Toggle(LED3);
- BSP_LED_Toggle(LED4);
+ if (ticks++ == 1000000) {
+ GPIOA->ODR ^= GPIO_ODR_OD6;
+ GPIOA->ODR ^= GPIO_ODR_OD7;
ticks = 0;
}
}
-/**
- * @brief System Clock Configuration
- * The system Clock is configured as follow :
- * System Clock source = PLL (HSE)
- * SYSCLK(Hz) = 180000000
- * HCLK(Hz) = 180000000
- * AHB Prescaler = 1
- * APB1 Prescaler = 4
- * APB2 Prescaler = 2
- * HSE Frequency(Hz) = 8000000
- * PLL_M = 8
- * PLL_N = 360
- * PLL_P = 2
- * PLL_Q = 7
- * PLL_R = 2
- * VDD(V) = 3.3
- * Main regulator output voltage = Scale1 mode
- * Flash Latency(WS) = 5
- * The USB clock configuration from PLLSAI:
- * PLLSAIM = 8
- * PLLSAIN = 384
- * PLLSAIP = 8
- * @param None
- * @retval None
- */
static void SystemClock_Config(void)
{
- RCC_ClkInitTypeDef RCC_ClkInitStruct;
- RCC_OscInitTypeDef RCC_OscInitStruct;
- RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
-
/* Enable Power Control clock */
__HAL_RCC_PWR_CLK_ENABLE();
- /* The voltage scaling allows optimizing the power consumption when the device
- is
- clocked below the maximum system frequency, to update the voltage scaling
- value
- regarding system frequency refer to product datasheet. */
- __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
-
/* Enable HSE Oscillator and activate PLL with HSE as source */
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
- RCC_OscInitStruct.HSEState = RCC_HSE_ON;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
- RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
-#if defined(USE_STM32469I_DISCO_REVA)
- RCC_OscInitStruct.PLL.PLLM = 25;
-#else
- RCC_OscInitStruct.PLL.PLLM = 8;
-#endif /* USE_STM32469I_DISCO_REVA */
- RCC_OscInitStruct.PLL.PLLN = 360;
- RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
- RCC_OscInitStruct.PLL.PLLQ = 7;
- RCC_OscInitStruct.PLL.PLLR = 2;
- if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
+ RCC_OscInitTypeDef foo = {
+ .OscillatorType = RCC_OSCILLATORTYPE_HSE,
+ .HSEState = RCC_HSE_ON,
+ .PLL.PLLState = RCC_PLL_ON,
+ .PLL.PLLSource = RCC_PLLSOURCE_HSE,
+ /* HSE input: 8MHz */
+ .PLL.PLLM = 8, /* VCO in: 1MHz = 8MHz / 8 */
+ .PLL.PLLN = 336, /* VCO out: 336MHz = 1MHz * 336 */
+ .PLL.PLLP = RCC_PLLP_DIV2, /* System: 168MHz = 336Mhz / 2 */
+ .PLL.PLLQ = 7 /* USB: 48MHz = 336MHz / 7 */
+ };
+ if (HAL_RCC_OscConfig(&foo) != HAL_OK)
Error_Handler();
- /* Enable the OverDrive to reach the 180 Mhz Frequency */
- if (HAL_PWREx_EnableOverDrive() != HAL_OK)
- Error_Handler();
-
- /* Select PLLSAI output as USB clock source */
- PeriphClkInitStruct.PLLSAI.PLLSAIQ = 7;
- PeriphClkInitStruct.PLLSAI.PLLSAIN = 384;
- PeriphClkInitStruct.PLLSAI.PLLSAIP = RCC_PLLSAIP_DIV8;
+ /* FIXME does this require configuration?
+ RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_CK48;
PeriphClkInitStruct.Clk48ClockSelection = RCC_CK48CLKSOURCE_PLLSAIP;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
+ */
/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
clocks dividers */
- RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
- RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
- RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
- RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
- RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
- if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
+ RCC_ClkInitTypeDef bar = {
+ .ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2),
+ .SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK, /* See above */
+ .AHBCLKDivider = RCC_SYSCLK_DIV1, /* 168MHz = 168MHz / 1 */
+ .APB1CLKDivider = RCC_HCLK_DIV4, /* 42MHz = 168MHz / 4 */
+ .APB2CLKDivider = RCC_HCLK_DIV2 /* 84Mhz = 168MHz / 2 */
+ };
+ if (HAL_RCC_ClockConfig(&bar, FLASH_LATENCY_5) != HAL_OK)
Error_Handler();
}
@@ -212,3 +243,5 @@ static void Error_Handler(void) ;
}
+void _init(void) {}
+
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