Занимательная электроника

#include <Arduino_FreeRTOS.h>

#include <semphr.h>    

// type of parameters

typedef struct {

  const char *pcTaskName;

  const char *pcText;

  int SensorID;

  int DelayTicks;

} AnalogReadParam_t;

SemaphoreHandle_t xSerialSemaphore;

void TaskDigitalRead( void *pvParameters );

void TaskAnalogReadParam( void *pvParameters );

AnalogReadParam_t xParams[3], *pxParam = xParams;

void setup() {

  Serial.begin(9600);

  while (!Serial) {;}

  if ( xSerialSemaphore == NULL ){

    xSerialSemaphore = xSemaphoreCreateMutex();  

      if ( ( xSerialSemaphore ) != NULL )

         xSemaphoreGive( ( xSerialSemaphore ) );  

  }

  xTaskCreate(

    TaskDigitalRead,

    «DigitalRead»,

    128,

    NULL,

    (configMAX_PRIORITIES — 3),

    NULL);

  pxParam->pcTaskName = «TaskInputA1»;

  pxParam->pcText = «Input A1»;

  pxParam->SensorID = A1;

  pxParam->DelayTicks = pdMS_TO_TICKS( 250UL );

  pxParam++;

  pxParam->pcTaskName = «TaskInputA2»;

  pxParam->pcText = «Input A2»;

  pxParam->SensorID = A2;

  pxParam->DelayTicks = 1; //pdMS_TO_TICKS( 250UL );

  pxParam++;

  pxParam->pcTaskName = «TaskInputA3»;

  pxParam->pcText = «Input A3»;

  pxParam->SensorID = A3;

  pxParam->DelayTicks = 1; //pdMS_TO_TICKS( 250UL );

  pxParam++;

  // create the tasks

  for (pxParam = &xParams[0]; pxParam < &xParams[3]; pxParam++){

    Serial.println(«\n——————————-«);

    Serial.print(«Creating «);

    Serial.println(pxParam->pcTaskName);

    xTaskCreate(TaskAnalogReadParam, pxParam->pcTaskName, 128,

                (void *)pxParam, (configMAX_PRIORITIES — 2) /* Priority */, NULL

    );

  }

}

void loop(){

}

void SerialDebugWithSemaphore(const char *pszText){

  if ( xSemaphoreTake( xSerialSemaphore, ( TickType_t ) 5 ) == pdTRUE ){

    Serial.print(pszText);

    xSemaphoreGive( xSerialSemaphore );

  }

}

void TaskDigitalRead( void *pvParameters __attribute__((unused)) ){

  uint8_t pushButton = 2;

  pinMode(pushButton, INPUT);

  for (;;){

    int buttonState = digitalRead(pushButton);

   if ( xSemaphoreTake( xSerialSemaphore, ( TickType_t ) 5 ) == pdTRUE){

      Serial.print(«digital input: «);

      Serial.println(buttonState);

      xSemaphoreGive( xSerialSemaphore );

    }

    vTaskDelay(1);  // one tick delay (15ms) in between reads

  }

}

void TaskAnalogReadParam( void *pvParameters ){

  AnalogReadParam_t *pxParams = (AnalogReadParam_t *) pvParameters;

  for (;;){

    int sensorValue = analogRead(pxParams->SensorID);

    if ( xSemaphoreTake( xSerialSemaphore, ( TickType_t ) 5 ) == pdTRUE ){

      Serial.print(pxParams->pcText);

      Serial.print(«: «);

      Serial.println(sensorValue);

      xSemaphoreGive( xSerialSemaphore );

    }

    vTaskDelay(pxParams->DelayTicks);  

  }

}