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请各位大神帮帮忙，我建立的四个任务，通过Task_Led1调用OSMboxPost(Com1_MBOX, &led1timer)，但是Task_Com1任务就是没唤醒
/*********app.c********************/ #include #include "BSP_usart.h" static OS_STK startup_task_stk[STARTUP_TASK_STK_SIZE]; static OS_STK com1_task_stk[COM1_TASK_STK_SIZE]; static OS_STK led0_task_stk[LED_TASK_STK_SIZE]; static OS_STK led1_task_stk[LED_TASK_STK_SIZE]; static OS_STK led2_task_stk[LED_TASK_STK_SIZE]; INT8U OS_Time_en = 0; OS_EVENT * Com1_SEM; //uart signal OS_EVENT * Com1_MBOX; //uart mail box INT8U led1Timer; static void Task_Com1(void * p_arg) { INT8U err; unsigned char * msg; (void)p_arg; while(1) { msg = (unsigned char *)OSMboxPend(Com1_MBOX, 0, &err); Bsp_printf("Com1 task runrn"); } } static void Task_Led0(void * p_arg) { (void)p_arg; while(1) { BSP_LED_On(LED0); OSTimeDlyHMSM(0, 0, 0, 500); BSP_LED_Off(LED0); OSTimeDlyHMSM(0, 0, 0, 500); } } static void Task_Led1(void * p_arg) { (void)p_arg; while(1) { led1Timer++; BSP_LED_On(LED1); OSTimeDlyHMSM(0, 0, 1, 0); BSP_LED_Off(LED1); OSTimeDly(500); OSMboxPost(Com1_MBOX, &led1Timer); } } static void Task_Led2(void * p_arg) { (void)p_arg; while(1) { BSP_LED_On(LED2); OSTimeDlyHMSM(0, 0, 2, 0); BSP_LED_Off(LED2); OSTimeDlyHMSM(0, 0, 2, 0); } } static void App_TaskCreate(void) { OS_CPU_SR cpu_sr = 0; Com1_MBOX = OSMboxCreate((void *)0); OS_ENTER_CRITICAL(); OSTaskCreate(Task_Com1, (void *)0, (OS_STK *)&com1_task_stk[COM1_TASK_STK_SIZE-1], COM1_TASK_PRIO); OSTaskCreate(Task_Led0, (void *)0, (OS_STK *)&led0_task_stk[LED_TASK_STK_SIZE-1], LED0_TASK_PRIO); OSTaskCreate(Task_Led1, (void *)0, (OS_STK *)&led1_task_stk[LED_TASK_STK_SIZE-1], LED1_TASK_PRIO); OSTaskCreate(Task_Led2, (void *)0, (OS_STK *)&led2_task_stk[LED_TASK_STK_SIZE-1], LED2_TASK_PRIO); OS_EXIT_CRITICAL(); } static void startup_task(void * p_arg) { OS_Time_en = 1; #if(OS_TASK_STAT_EN>0) OSStatInit(); /* Determine CPU capacity */ #endif App_TaskCreate(); /* TODO: create other application tasks here */ while(1) //假设任务是一个周期的循环结构 { /* TODO: run appliction tasks here */ OSTimeDlyHMSM(0, 0, 1, 0); } } void app(void) { Bsp_printf("System is initialising!rn"); OSInit(); OSTaskCreate(startup_task,(void *)0,&startup_task_stk[STARTUP_TASK_STK_SIZE-1],STARTUP_TASK_PRIO); Bsp_printf("System is initialised!rn"); OSStart(); } /*************app.c****end***************/ /***************main.c******************/ #include "main.h" void SystemClock_Config(void); static void Error_Handler(void); int main(void) { HAL_Init(); SystemClock_Config(); Uart_Init(); BSP_LED_Init(); app(); } /** * @brief System Clock Configuration * The system Clock is configured as follow : * System Clock source = PLL (HSI) * SYSCLK(Hz) = 64000000 * HCLK(Hz) = 64000000 * AHB Prescaler = 1 * APB1 Prescaler = 2 * APB2 Prescaler = 1 * HSI Frequency(Hz) = 8000000 * PREDIV = RCC_PREDIV_DIV2 (2) * PLLMUL = RCC_PLL_MUL16 (16) * Flash Latency(WS) = 2 * @param None * @retval None */ void SystemClock_Config(void) { RCC_ClkInitTypeDef RCC_ClkInitStruct; RCC_OscInitTypeDef RCC_OscInitStruct; /* HSI Oscillator already ON after system reset, activate PLL with HSI as source */ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_NONE; RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI; RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV2; RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL16; RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT; if (HAL_RCC_OscConfig(&RCC_OscInitStruct)!= HAL_OK) { Error_Handler(); } /* 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_DIV2; RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2)!= HAL_OK) { Error_Handler(); } } /** * @brief This function is executed in case of error occurrence. * @param None * @retval None */ static void Error_Handler(void) { /* User may add here some code to deal with this error */ while(1) { BSP_LED_Toggle(LED2); HAL_Delay(1000); } } #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 %drn", file, line) */ /* Infinite loop */ while (1) { } } #endif /*************main.c****end*****************/ /***************BSP_usart.c*****************/ #include "BSP_usart.h" #include "string.h" UART_HandleTypeDef UartHandle; static void Error_Handler(void); uint8_t Rx_buffer[USARTx_BUFFER_SIZE]; uint8_t * pRxBuff; void UART2_RxBuff_Clr(void) { int i = 0; while(Rx_buffer!=' ') { Rx_buffer=' '; if(i>=USARTx_BUFFER_SIZE) break; i++; } } void Uart_GPIO_Init(void) { GPIO_InitTypeDef GPIO_InitStructure; __GPIOA_CLK_ENABLE(); GPIO_InitStructure.Mode =GPIO_MODE_AF_PP;; GPIO_InitStructure.Alternate = GPIO_AF7_USART2; GPIO_InitStructure.Pin = GPIO_PIN_2|GPIO_PIN_3; GPIO_InitStructure.Pull = GPIO_PULLUP; GPIO_InitStructure.Speed = GPIO_SPEED_HIGH; HAL_GPIO_Init(GPIOA, &GPIO_InitStructure); } void Uart_Init(void) { Uart_GPIO_Init(); __USART2_CLK_ENABLE(); HAL_NVIC_SetPriority(USART2_IRQn, 0x0C, 0x00); HAL_NVIC_EnableIRQ(USART2_IRQn); UartHandle.Instance = USARTx; UartHandle.Init.BaudRate = 115200; UartHandle.Init.WordLength = UART_WORDLENGTH_8B; UartHandle.Init.StopBits = UART_STOPBITS_1; UartHandle.Init.Parity = UART_PARITY_NONE; UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE; UartHandle.Init.Mode = UART_MODE_TX_RX; UartHandle.Init.OverSampling = UART_OVERSAMPLING_16; UartHandle.Init.OneBitSampling = UART_ONEBIT_SAMPLING_DISABLED; UartHandle.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT; if(HAL_UART_Init(&UartHandle)!=HAL_OK) { Error_Handler(); } } void Bsp_printf(char * dataBuf) { uint16_t dataLen = strlen(dataBuf); HAL_UART_Transmit(&UartHandle,(uint8_t *)dataBuf, dataLen, 0xFF); } static void Error_Handler(void) { while(1) { } } 
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6个回答
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帮顶。。。
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我也碰到这样的问题，使用SEM的时候，切换不过来啊，使用ossempost ossempend一用就错误中断去了，为什么？任务切换的。asm有问题么？
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楼主问题解决了么？能指教下么？
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把optimizatioms选项里的level设置成high就可以了，具体原因我也不清楚
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电压过高***哇哇哇
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