Esp32 S2 arduino FreeRTOS 示例

Question

基于 Esp32 S2 单核的板子

#if CONFIG_FREERTOS_UNICORE
#define ARDUINO_RUNNING_CORE 0
#else
#define ARDUINO_RUNNING_CORE 1
#endif


#define LED 2


// define two tasks for Blink & AnalogRead
void TaskBlink( void *pvParameters );
void TaskEcho( void *pvParameters );

// the setup function runs once when you press reset or power the board
void setup() {
  
  // initialize serial communication at 115200 bits per second:
  Serial.begin(115200);
  
  // Now set up two tasks to run independently.
  xTaskCreatePinnedToCore(
    TaskBlink
    ,  "TaskBlink"   // A name just for humans
    ,  1024  // This stack size can be checked & adjusted by reading the Stack Highwater
    ,  NULL
    ,  2  // Priority, with 3 (configMAX_PRIORITIES - 1) being the highest, and 0 being the lowest.
    ,  NULL 
    ,  ARDUINO_RUNNING_CORE);

  xTaskCreatePinnedToCore(
    TaskEcho
    ,  "TaskEcho"
    ,  1024  // Stack size
    ,  NULL
    ,  1  // Priority
    ,  NULL 
    ,  ARDUINO_RUNNING_CORE);

  // Now the task scheduler, which takes over control of scheduling individual tasks, is automatically started.
}

void loop()
{
  // Empty. Things are done in Tasks.
}

/*--------------------------------------------------*/
/*---------------------- Tasks ---------------------*/
/*--------------------------------------------------*/

void TaskBlink(void *pvParameters)  // This is a task.
{
  (void) pvParameters;

/*
  Blink
  Turns on an LED on for one second, then off for one second, repeatedly.
    
  If you want to know what pin the on-board LED is connected to on your ESP32 model, check
  the Technical Specs of your board.
*/

  pinMode(LED, OUTPUT);

  for (;;) // A Task shall never return or exit.
  {
    digitalWrite(LED, HIGH);   // turn the LED on (HIGH is the voltage level)
    vTaskDelay(1000);  // one tick delay (15ms) in between reads for stability
    digitalWrite(LED, LOW);    // turn the LED off by making the voltage LOW
    vTaskDelay(1000);  // one tick delay (15ms) in between reads for stability
  }
}

void TaskEcho(void *pvParameters)  // This is a task.
{
  (void) pvParameters;
  

  for (;;)
  {
    // print out the value you read:
    Serial.println("==== Message from FreeRTOS =====");
    vTaskDelay(1000);  // one tick delay (15ms) in between reads for stability
  }
}