90 lines
2.5 KiB
C++
90 lines
2.5 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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// 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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// 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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// 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 3 (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(blink_pin, OUTPUT);
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for (;;) // A Task shall never return or exit.
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{
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digitalWrite(blink_pin, HIGH); // turn the pin on (HIGH is the voltage level)
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vTaskDelay(1000 / portTICK_PERIOD_MS); // wait for one second
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digitalWrite(blink_pin, LOW); // turn the pin 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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