156 lines
3.4 KiB
C++
156 lines
3.4 KiB
C++
/*
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* Example of FreeRTOS task utilities
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* https://www.freertos.org/a00021.html
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*/
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// Include Arduino FreeRTOS library
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#include <Arduino_FreeRTOS.h>
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/**
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* Task handlers
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* https://www.freertos.org/a00019.html#xTaskHandle
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*/
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TaskHandle_t taskBlinkHandle;
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TaskHandle_t taskDeletedHandle;
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TaskHandle_t taskBlockedHandle;
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// set led pin
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#ifdef LED_BUILTIN
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uint8_t blink_pin = LED_BUILTIN;
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#elif defined(ARDUINO_ELSOMIK)
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uint8_t blink_pin = P0_0;
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#else
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uint8_t blink_pin = 2;
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#endif
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void setup() {
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/**
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* Task creation
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*/
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xTaskCreate(TaskBlink, // Task function
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"Blink", // Task name
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128, // Stack size
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NULL,
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0, // Priority
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&taskBlinkHandle); // Task handler
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xTaskCreate(TaskSerial,
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"Serial",
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128,
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NULL,
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2,
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NULL);
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xTaskCreate(TaskDeleted,
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"Deleted",
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64,
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NULL,
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1,
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&taskDeletedHandle);
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xTaskCreate(TaskBlocked,
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"Blocked",
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64,
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NULL,
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1,
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&taskBlockedHandle);
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}
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void loop() {}
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/**
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* Example of utilities usage
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*/
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void TaskSerial(void *pvParameters)
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{
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(void) pvParameters;
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Serial.begin(9600);
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for (;;)
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{
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Serial.println("======== Tasks status ========");
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Serial.print("Tick count: ");
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Serial.print(xTaskGetTickCount());
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Serial.print(", Task count: ");
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Serial.print(uxTaskGetNumberOfTasks());
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Serial.println();
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Serial.println();
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// Serial task status
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Serial.print("- TASK ");
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Serial.print(pcTaskGetName(NULL)); // Get task name without handler https://www.freertos.org/a00021.html#pcTaskGetName
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Serial.print(", High Watermark: ");
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Serial.print(uxTaskGetStackHighWaterMark(NULL)); // https://www.freertos.org/uxTaskGetStackHighWaterMark.html
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TaskHandle_t taskSerialHandle = xTaskGetCurrentTaskHandle(); // Get current task handle. https://www.freertos.org/a00021.html#xTaskGetCurrentTaskHandle
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Serial.println();
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Serial.print("- TASK ");
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Serial.print(pcTaskGetName(taskBlinkHandle)); // Get task name with handler
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Serial.print(", High Watermark: ");
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Serial.print(uxTaskGetStackHighWaterMark(taskBlinkHandle));
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Serial.println();
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Serial.print("- TASK ");
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Serial.print(pcTaskGetName(taskDeletedHandle));
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Serial.print(", High Watermark: ");
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Serial.print(uxTaskGetStackHighWaterMark(taskDeletedHandle));
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Serial.println();
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Serial.print("- TASK ");
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Serial.print(pcTaskGetName(taskBlockedHandle));
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Serial.print(", High Watermark: ");
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Serial.print(uxTaskGetStackHighWaterMark(taskBlockedHandle));
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Serial.println();
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Serial.println();
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vTaskDelay( 5000 / portTICK_PERIOD_MS );
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}
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}
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/**
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* Blocked tasks when run
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*/
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void TaskBlocked(void *pvParameters) {
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(void) pvParameters;
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for (;;)
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{
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vTaskDelay( 900000 / portTICK_PERIOD_MS );
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}
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}
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/**
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* Deleted tasks when run
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*/
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void TaskDeleted(void *pvParameters) {
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(void) pvParameters;
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vTaskDelete(NULL);
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}
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/*
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* Blink task.
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* See Blink_AnalogRead example.
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*/
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void TaskBlink(void *pvParameters)
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{
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(void) pvParameters;
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pinMode(blink_pin, OUTPUT);
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for (;;)
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{
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digitalWrite(blink_pin, HIGH);
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vTaskDelay( 250 / portTICK_PERIOD_MS );
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digitalWrite(blink_pin, LOW);
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vTaskDelay( 250 / portTICK_PERIOD_MS );
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}
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}
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