ifdef USE_FULL_ASSERT /** * @brief Reports the name of the source file and the source line number * where the assert_param error has occurred. * @param file: pointer to the source file name * @param line: assert_param error line source number * @retval None */ void assert_failed(uint8_t *file, uint32_t line) { /* USER CODE BEGIN 6 */ /* User can add his own implementation to report the file name and line number, ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ /* USER CODE END 6 */ } #endif /* USE_FULL_ASSERT */

osdep_service.rar_the code

标题 "osdep_service.rar_the code" 暗示我们关注的是一个与操作系统依赖相关的服务或库，其中包含的代码可能用于在不同的操作系统上转换错误代码，以实现跨平台的兼容性和一致性。描述提到的功能是将操作系统特定的...

CCC.zip_Void_ The

题目：#if #ifdef和#ifndef的综合应用。 1. 程序分析： 2.程序源代码：复制代码代码如下: #include stdio.h #include conio.h #define MAX #define MAXIMUM(x,y) (x>y)?x:y #define MINIMUM(x,y) (x>y)?y:...

int main(void) { /HW semaphore Clock enable/ __HAL_RCC_HSEM_CLK_ENABLE(); /* Activate HSEM notification for Cortex-M4/ HAL_HSEM_ActivateNotification(__HAL_HSEM_SEMID_TO_MASK(HSEM_ID_0)); / Domain D2 goes to STOP mode (Cortex-M4 in deep-sleep) waiting for Cortex-M7 to perform system initialization (system clock config, external memory configuration.. ) / HAL_PWREx_ClearPendingEvent(); HAL_PWREx_EnterSTOPMode(PWR_MAINREGULATOR_ON, PWR_STOPENTRY_WFE, PWR_D2_DOMAIN); / Clear HSEM flag / __HAL_HSEM_CLEAR_FLAG(__HAL_HSEM_SEMID_TO_MASK(HSEM_ID_0)); / STM32H7xx HAL library initialization: - Systick timer is configured by default as source of time base, but user can eventually implement his proper time base source (a general purpose timer for example or other time source), keeping in mind that Time base duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and handled in milliseconds basis. - Set NVIC Group Priority to 4 - Low Level Initialization / HAL_Init(); / Infinite loop */ while (1) { } } #ifdef USE_FULL_ASSERT /** * @brief Reports the name of the source file and the source line number * where the assert_param error has occurred. * @param file: pointer to the source file name * @param line: assert_param error line source number * @retval None / void assert_failed(uint8_t file, uint32_t line) { /* User can add his own implementation to report the file name and line number, ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) / / Infinite loop */ while (1) { } } #endif /** * @} */ /** * @} */

在这段代码中，使用了宏定义USE_FULL_ASSERT来启用断言功能。当程序中出现参数错误时，assert_failed函数会被调用，报告发生错误的文件名和行号。如果不启用断言功能，则这段代码不会被编译进程序中。

void HAL_UART_RxCpltCallback(UART_HandleTypeDef huart) { if(huart->Instance == huart1.Instance)//´®¿Ú1´¥·¢ÖÐ¶Ï { HAL_UART_Receive_IT(&huart1, &uart1_value, 1); uart1_buf[uart1_num++] = uart1_value; uart1_time = 0; } if(huart->Instance == Huart_wifi.Instance)//´®¿Ú´¥·¢ÖÐ¶Ï { if(huart->Instance == Huart_wifi.Instance)//´®¿Ú´¥·¢ { HAL_UART_Receive_IT(&Huart_wifi, &uartwifi_value, 1); if(ESP8266_cnt >= sizeof(ESP8266_buf)) ESP8266_cnt = 0; //·ÀÖ¹´®¿Ú±»Ë¢±¬ ESP8266_buf[ESP8266_cnt++] = uartwifi_value; } } } / USER CODE END 4 */ /** * @brief This function is executed in case of error occurrence. * @retval None / void Error_Handler(void) { / USER CODE BEGIN Error_Handler_Debug / / User can add his own implementation to report the HAL error return state / __disable_irq(); while (1) { } / USER CODE END Error_Handler_Debug */ } #ifdef USE_FULL_ASSERT /** * @brief Reports the name of the source file and the source line number * where the assert_param error has occurred. * @param file: pointer to the source file name * @param line: assert_param error line source number * @retval None / void assert_failed(uint8_t file, uint32_t line) { /* USER CODE BEGIN 6 / / User can add his own implementation to report the file name and line number, ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) / / USER CODE END 6 / } #endif / USE_FULL_ASSERT */

这是一个使用HAL库编写的STM32串口接收回调函数。当接收到数据时，该函数会检测是哪个串口接收到了数据，并将数据存储到对应的缓冲区中。其中，第一个if语句用于处理串口1接收到的数据，第二个if语句用于处理另一个...

解释代码void LedOn(GPIO_Module* GPIOx, uint16_t Pin) { GPIOx->PBSC = Pin; } /** * @brief Turns selected Led Off. * @param GPIOx x can be A to G to select the GPIO port. * @param Pin This parameter can be GPIO_PIN_0~GPIO_PIN_15. / void LedOff(GPIO_Module GPIOx, uint16_t Pin) { GPIOx->PBC = Pin; } /** * @brief Turns selected Led on or off. * @param GPIOx x can be A to G to select the GPIO port. * @param Pin This parameter can be one of the following values: * @arg GPIO_PIN_0~GPIO_PIN_15: set related pin on * @arg (GPIO_PIN_0<<16)~(GPIO_PIN_15<<16): clear related pin off / void LedOnOff(GPIO_Module GPIOx, uint32_t Pin) { GPIOx->PBSC = Pin; } /** * @brief Toggles the selected Led. * @param GPIOx x can be A to G to select the GPIO port. * @param Pin This parameter can be GPIO_PIN_0~GPIO_PIN_15. / void LedBlink(GPIO_Module GPIOx, uint16_t Pin) { GPIOx->POD ^= Pin; } /** * @brief Assert failed function by user. * @param file The name of the call that failed. * @param line The source line number of the call that failed. / #ifdef USE_FULL_ASSERT void assert_failed(const uint8_t expr, const uint8_t* file, uint32_t line) { while (1) { } } #endif // USE_FULL_ASSERT /** * @brief Main program. / int main(void) { /SystemInit() function has been called by startup file startup_n32g45x.s/ / Initialize Led1~Led5 as output pushpull mode/ LedInit(PORT_GROUP1, LED1_PIN | LED2_PIN); LedInit(PORT_GROUP2, LED3_PIN | LED4_PIN | LED5_PIN); /Turn on Led1/ LedOn(PORT_GROUP1, LED1_PIN); while (1) { /LED1_PORT and LED2_PORT are the same port group.Enable Led2 blink and not effect Led1 by Exclusive-OR * operation./ LedBlink(PORT_GROUP1, LED2_PIN); /LED3_PORT, LED4_PORT and LED5_PORT are the same port group./ /Turn Led4 and Led5 off and not effect other ports by PBC register,correspond to * PORT_GROUP2->POD&=~(LED4_PIN|LED5_PIN);/ LedOff(PORT_GROUP2, LED4_PIN | LED5_PIN); / Insert delay / Delay(0x28FFFF); /Turn Led4 and Led5 on,turn Led3 off and not effect other ports by PBSC register,correspond to * PORT_GROUP2->POD&=~(LED3_PIN),then PORT_GROUP2->POD|=(LED4_PIN|LED5_PIN);/ LedOnOff(PORT_GROUP2, (LED3_PIN << 16) | LED4_PIN | LED5_PIN); / Insert delay / Delay(0x28FFFF); /Turn on Led3/ LedOn(PORT_GROUP2, LED3_PIN); / Insert delay */ Delay(0x28FFFF); } }

5. #ifdef USE_FULL_ASSERT 和 #endif // USE_FULL_ASSERT：这是一个用于断言失败处理的代码段，当宏USE_FULL_ASSERT被定义时，将会调用assert_failed()函数。 6. void assert_failed(const uint8_t* expr...

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