86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
#include <Arduino_FreeRTOS.h>
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//define task handles
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TaskHandle_t TaskBlink_Handler;
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TaskHandle_t TaskSerial_Handler;
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// define two tasks for Blink & Serial
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void TaskBlink( void *pvParameters );
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void TaskSerial(void* pvParameters);
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// the setup function runs once when you press reset or power the board
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void setup() {
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// initialize serial communication at 9600 bits per second:
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Serial.begin(9600);
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while (!Serial) {
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; // wait for serial port to connect. Needed for native USB, on LEONARDO, MICRO, YUN, and other 32u4 based boards.
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}
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// Now set up two tasks to run independently.
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xTaskCreate(
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TaskBlink
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, "Blink" // A name just for humans
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, 128 // This stack size can be checked & adjusted by reading the Stack Highwater
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, NULL //Parameters passed to the task function
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, 2 // Priority, with 2 (configMAX_PRIORITIES - 1) being the highest, and 0 being the lowest.
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, &TaskBlink_Handler );//Task handle
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xTaskCreate(
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TaskSerial
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, "Serial"
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, 128 // Stack size
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, NULL //Parameters passed to the task function
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, 1 // Priority
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, &TaskSerial_Handler ); //Task handle
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}
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void loop()
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{
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// Empty. Things are done in Tasks.
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}
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/*--------------------------------------------------*/
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/*---------------------- Tasks ---------------------*/
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/*--------------------------------------------------*/
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void TaskSerial(void* pvParameters){
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/*
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Serial
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Send "s" or "r" through the serial port to control the suspend and resume of the LED light task.
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This example code is in the public domain.
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*/
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(void) pvParameters;
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for (;;) // A Task shall never return or exit.
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{
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while(Serial.available()>0){
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switch(Serial.read()){
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case 's':
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vTaskSuspend(TaskBlink_Handler);
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Serial.println("Suspend!");
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break;
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case 'r':
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vTaskResume(TaskBlink_Handler);
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Serial.println("Resume!");
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break;
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}
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vTaskDelay(1);
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}
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}
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}
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void TaskBlink(void *pvParameters) // This is a task.
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{
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(void) pvParameters;
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pinMode(LED_BUILTIN, OUTPUT);
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for (;;) // A Task shall never return or exit.
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{
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//Serial.println(11);
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digitalWrite(LED_BUILTIN, HIGH); // turn the LED on (HIGH is the voltage level)
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vTaskDelay( 1000 / portTICK_PERIOD_MS ); // wait for one second
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digitalWrite(LED_BUILTIN, LOW); // turn the LED off by making the voltage LOW
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vTaskDelay( 1000 / portTICK_PERIOD_MS ); // wait for one second
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}
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}
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