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/* ... */
#include "main.h"
#include "cmsis_os.h"
Includes
#define semtstSTACK_SIZE configMINIMAL_STACK_SIZE
Private macro
osSemaphoreId osSemaphore;
Private variables
static void SemaphoreTest(void const *argument);
static void SystemClock_Config(void);
Private function prototypes
/* ... */
int main(void)
{
/* ... */
HAL_Init();
SystemClock_Config();
BSP_LED_Init(LED1);
BSP_PB_Init(BUTTON_WAKEUP, BUTTON_MODE_EXTI);
osSemaphoreDef(SEM);
osSemaphore = osSemaphoreCreate(osSemaphore(SEM) , 1);
osThreadDef(SEM_Thread, SemaphoreTest, osPriorityNormal, 0, semtstSTACK_SIZE);
osThreadCreate(osThread(SEM_Thread), (void *) osSemaphore);
osKernelStart();
for (;;);
}{ ... }
/* ... */
static void SemaphoreTest(void const *argument)
{
for (;;)
{
if (osSemaphore != NULL)
{
if (osSemaphoreWait(osSemaphore , 0) == osOK)
{
BSP_LED_Toggle(LED1);
}if (osSemaphoreWait(osSemaphore , 0) == osOK) { ... }
}if (osSemaphore != NULL) { ... }
}for (;;) { ... }
}{ ... }
/* ... */
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_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 8;
RCC_OscInitStruct.PLL.PLLN = 200;
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) { ... }
/* ... */
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_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_3);
if(ret != HAL_OK)
{
while(1) { ; }
}if (ret != HAL_OK) { ... }
}{ ... }
/* ... */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
osSemaphoreRelease(osSemaphore);
}{ ... }
#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) { ... }
/* ... */#endifPrivate functions