freereos.zip
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freereos.zip #include "freertos_demo.h"#include "stm32f10x.h" /*FreeRTOS*********************************************************************************************///#include "FreeRTOS.h"//#include "task.h"//#include "timers.h"#include "OLED.h"#include "Encoder.h"#include "event_groups.h" #include "task.h"unsigned char okay,flg;unsigned char flag=1;int16_t Num;//定义待被旋转编码器调节的变量unsigned char hour,min,second;unsigned char tim_arv=0;EventBits_t bits1;EventGroupHandle_t eventGroup;BaseType_t xHigherPriorityTaskWoken=pdFALSE;#define START_TASK_PRIO 1#define START_TASK_STACK_SIZE 128TaskHandle_t start_task_handler;void start_task( void * pvParameters );#define TASK1_PRIO 1#define TASK1_STACK_SIZE 800TaskHandle_t task1_handler;void task1( void * pvParameters );#define TASK2_PRIO 2#define TASK2_STACK_SIZE 128TaskHandle_t task2_handler;void task2( void * pvParameters );#define TASK3_PRIO 1#define TASK3_STACK_SIZE 800TaskHandle_t task3_handler;void task3( void * pvParameters );#define TASK4_PRIO 2#define TASK4_STACK_SIZE 800TaskHandle_t task4_handler;//void task4( void * pvParameters );#define TaskTimer_PRIO 2#define TaskTimer_STACK_SIZE 128TaskHandle_t TaskTimer_handler;//#define a_handler TaskTimer_handlervoid TaskTimer( void * pvParameters );TimerHandle_t xTimer;void vTimerCallback(TimerHandle_t xTimer);void freertos_demo(void){ xTaskCreate((TaskFunction_t ) start_task, (char * ) "start_task", (configSTACK_DEPTH_TYPE ) START_TASK_STACK_SIZE, (void * ) NULL, (UBaseType_t ) START_TASK_PRIO, (TaskHandle_t * ) &start_task_handler ); vTaskStartScheduler();}void start_task( void * pvParameters ){ taskENTER_CRITICAL(); //TimerHandle_t xTimer;//if(xTimer!=NULL){////if(xTimerStart(xTimer,0)!=pdPASS){print("Failed to start timer\n");}//else{print("Failed to create timer\n");}////}eventGroup=xEventGroupCreate(); xTaskCreate((TaskFunction_t ) TaskTimer, (char * ) "TaskTimer", (configSTACK_DEPTH_TYPE ) TaskTimer_STACK_SIZE, (void * ) NULL, (UBaseType_t ) TaskTimer_PRIO, (TaskHandle_t * ) &TaskTimer_handler ); xTaskCreate((TaskFunction_t ) task1, (char * ) "task1", (configSTACK_DEPTH_TYPE ) TASK1_STACK_SIZE, (void * ) NULL, (UBaseType_t ) TASK1_PRIO, (TaskHandle_t * ) &task1_handler ); xTaskCreate((TaskFunction_t ) task2, (char * ) "task2", (configSTACK_DEPTH_TYPE ) TASK2_STACK_SIZE, (void * ) NULL, (UBaseType_t ) TASK2_PRIO, (TaskHandle_t * ) &task2_handler ); xTaskCreate((TaskFunction_t ) task3, (char * ) "task3", (configSTACK_DEPTH_TYPE ) TASK3_STACK_SIZE, (void * ) NULL, (UBaseType_t ) TASK3_PRIO, (TaskHandle_t * ) &task3_handler ); xTaskCreate((TaskFunction_t ) task4, (char * ) "task4", (configSTACK_DEPTH_TYPE ) TASK4_STACK_SIZE, (void * ) NULL, (UBaseType_t ) TASK4_PRIO, (TaskHandle_t * ) &task4_handler ); vTaskDelete(NULL); taskEXIT_CRITICAL(); }void TaskTimer( void * pvParameters ){while(1){//EventBits_t bits1;bits1=xEventGroupWaitBits(eventGroup,BIT1,pdTRUE,pdTRUE,portMAX_DELAY);if(bits1)OLED_ShowString(4,7, "YE");OLED_ShowString(4,11, "ok");break;}}void vTimerCallback(TimerHandle_t xTimer){tim_arv=1;//vTaskDelay(pdMS_TO_TICKS(1000));//vTaskDelete(NULL);//Num += Encoder_Get();//获取自上此调用此函数后，旋转编码器的增量值，并将增量值加到Num上//okay=ok1();TaskHandle_t xTask3Handle=(TaskHandle_t)pvTimerGetTimerID(xTimer);xTaskNotifyGive(xTask3Handle);}void task1( void * pvParameters ){ uint32_t task1_num = 0;//unsigned char ok_task2=0;//OLED_ShowString(2, 1, "V:");//OLED_ShowString(3, 1, "R:");//OLED_ShowString(4, 1, "H:");////Num += Encoder_Get();//获取自上此调用此函数后，旋转编码器的增量值，并将增量值加到Num上//okay=ok1();OLED_ShowSignedNum(1, 5, Num, 2);//显示NumOLED_ShowString(2, 1, "V:");OLED_ShowString(3, 1, "R:");OLED_ShowString(4, 1, "H:");//if(Num==1&&okay==1)task1(task1);//if(Num==2&&okay==1)task2(task2);//if(Num==3&&okay==1)task3(task3);task1_num=1; vTaskDelay(5000);OLED_ShowString( 2, 11, "put");vTaskDelay(2000);//while(1)//{//ok_task2=ok1();//if(ok_task2==1)break;//}OLED_ShowString(2, 10, "c");task1_num=0;vTaskDelay(3000);OLED_ShowString(2, 10, "ok ");vTaskDelete(NULL);}void task2( void * pvParameters ){ uint32_t task2_num = 0;task2_num=1; vTaskDelay(10000);OLED_ShowString(3, 10, "ok");vTaskDelete(NULL);}void task3( void * pvParameters ){//vTaskDelay(pdMS_TO_TICKS(2000));xTimer=xTimerCreate("Timer",pdMS_TO_TICKS(1000),pdTRUE,(void*)xTaskGetCurrentTaskHandle(),vTimerCallback);if(xTimer!=NULL){xTimerStart(xTimer,0);}flg=1;while(1){ulTaskNotifyTake(pdTRUE,portMAX_DELAY);if(tim_arv==1){tim_arv=0;second++;if(second>60){min++;second=0;}if(min>60){hour++;min=0;}if(hour>24){hour=0;}OLED_ShowString(1, 9, "TIM: ");OLED_ShowSignedNum(1, 14,second, 2);//显示Num//vTaskDelay(pdMS_TO_TICKS(10));}}}void task4( void * pvParameters ){EventBits_t bits;//BaseType_t xHigherPriorityTaskWoken=pdFALSE;while(1){bits=xEventGroupWaitBits(eventGroup,BIT0|BIT2,pdTRUE,pdFALSE,portMAX_DELAY);if(bits&&flag){Num += Encoder_Get();//获取自上此调用此函数后，旋转编码器的增量值，并将增量值加到Num上okay=ok1();OLED_ShowSignedNum(1, 5, Num, 2);//显示Numflag=0;}//portYIELD_FROM_ISR(xHigherPriorityTaskWoken);}//portYIELD_FROM_ISR(xHigherPriorityTaskWoken);//xEventGroupSetBitsFromISR(eventGroup,BIT1,NULL);}