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/* ... */
#include "main.h"
/* ... */
/* ... */
Includes
#define PULSE1_VALUE 10000
#define PULSE2_VALUE 5000
#define PULSE3_VALUE 2500
#define PULSE4_VALUE 1250
Private typedef
TIM_HandleTypeDef TimHandle;
TIM_OC_InitTypeDef sConfig;
uint32_t uwPrescalerValue = 0;
Private variables
static void SystemClock_Config(void);
static void Error_Handler(void);
Private function prototypes
/* ... */
int main(void)
{
/* ... */
HAL_Init();
SystemClock_Config();
BSP_LED_Init(LED1);
BSP_LED_Init(LED2);
BSP_LED_Init(LED3);
BSP_LED_Off(LED1);
HAL_GPIO_WritePin(GPIOB,GPIO_PIN_7, GPIO_PIN_RESET);
/* ... */
uwPrescalerValue = ((SystemCoreClock/2) / 10000) - 1;
/* ... */
TimHandle.Instance = TIM3;
TimHandle.Init.Period = 65535;
TimHandle.Init.Prescaler = uwPrescalerValue;
TimHandle.Init.ClockDivision = 0;
TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimHandle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
if(HAL_TIM_OC_Init(&TimHandle) != HAL_OK)
{
Error_Handler();
}if (HAL_TIM_OC_Init(&TimHandle) != HAL_OK) { ... }
sConfig.OCMode = TIM_OCMODE_ACTIVE;
sConfig.OCPolarity = TIM_OCPOLARITY_HIGH;
sConfig.Pulse = PULSE1_VALUE;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_1) != HAL_OK)
{
Error_Handler();
}if (HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_1) != HAL_OK) { ... }
sConfig.Pulse = PULSE2_VALUE;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_2) != HAL_OK)
{
Error_Handler();
}if (HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_2) != HAL_OK) { ... }
sConfig.Pulse = PULSE3_VALUE;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_3) != HAL_OK)
{
Error_Handler();
}if (HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_3) != HAL_OK) { ... }
sConfig.Pulse = PULSE4_VALUE;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_4) != HAL_OK)
{
Error_Handler();
}if (HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_4) != HAL_OK) { ... }
BSP_LED_On(LED2);
HAL_GPIO_WritePin(GPIOB,GPIO_PIN_7,GPIO_PIN_SET);
if(HAL_TIM_OC_Start(&TimHandle, TIM_CHANNEL_1) != HAL_OK)
{
Error_Handler();
}if (HAL_TIM_OC_Start(&TimHandle, TIM_CHANNEL_1) != HAL_OK) { ... }
if(HAL_TIM_OC_Start(&TimHandle, TIM_CHANNEL_2) != HAL_OK)
{
Error_Handler();
}if (HAL_TIM_OC_Start(&TimHandle, TIM_CHANNEL_2) != HAL_OK) { ... }
if(HAL_TIM_OC_Start(&TimHandle, TIM_CHANNEL_3) != HAL_OK)
{
Error_Handler();
}if (HAL_TIM_OC_Start(&TimHandle, TIM_CHANNEL_3) != HAL_OK) { ... }
if(HAL_TIM_OC_Start(&TimHandle, TIM_CHANNEL_4) != HAL_OK)
{
Error_Handler();
}if (HAL_TIM_OC_Start(&TimHandle, TIM_CHANNEL_4) != HAL_OK) { ... }
while (1)
{
}while (1) { ... }
}{ ... }
/* ... */
static void Error_Handler(void)
{
BSP_LED_On(LED3);
while (1)
{
}while (1) { ... }
}{ ... }
/* ... */
static void SystemClock_Config(void)
{
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct;
HAL_StatusTypeDef ret = HAL_OK;
__HAL_RCC_PWR_CLK_ENABLE();
/* ... */
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 8;
RCC_OscInitStruct.PLL.PLLN = 360;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 7;
RCC_OscInitStruct.PLL.PLLR = 2;
ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);
if(ret != HAL_OK)
{
while(1) { ; }
}if (ret != HAL_OK) { ... }
ret = HAL_PWREx_EnableOverDrive();
if(ret != HAL_OK)
{
while(1) { ; }
}if (ret != HAL_OK) { ... }
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;
ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
if(ret != HAL_OK)
{
while(1) { ; }
}if (ret != HAL_OK) { ... }
}{ ... }
#ifdef USE_FULL_ASSERT
/* ... */
void assert_failed(uint8_t *file, uint32_t line)
{
/* ... */
while (1)
{
}while (1) { ... }
}assert_failed (uint8_t *file, uint32_t line) { ... }
/* ... */
#endif
/* ... */
/* ... */