#include <Arduino.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/queue.h"

#define ledPin_Blue 2
#define ledPin_Red 3



bool redLedStatus = LOW; // setting the status intially as low

bool blueLedStatus = LOW;

bool printedREDStatus = LOW;
bool printedBLUEStatus = LOW;

void setup() {
  Serial.begin(115200);
  pinMode(ledPin_Blue, OUTPUT);
  pinMode(ledPin_Red, OUTPUT);


  xTaskCreate(&blinkRED, "blinkRED", 4000, NULL, 2, NULL); // task creation for red blinking led
  xTaskCreate(&blinkBLUE, "blinkBLUE", 4000, NULL, 2, NULL); // task creation for blue blinking led
  xTaskCreate(&display, "display", 10000, NULL, 1, NULL); // task creation for displaying status
}

void blinkRED (void * pvParameters){ // function to call for red led blink
  for(;;){
    redLedStatus = !redLedStatus; // inverting the declared led status
    digitalWrite(ledPin_Red,redLedStatus);
    vTaskDelay(400/portTICK_PERIOD_MS); // 2.5hz delay
    if (redLedStatus == HIGH){  // preventing the serial from printing continuously
      printedREDStatus = false;
    }
  }
}

void blinkBLUE (void * pvParameters){ // function to call for blue led blink
  for(;;){
    blueLedStatus = !blueLedStatus;
    digitalWrite(ledPin_Blue,blueLedStatus);
    vTaskDelay(1000/portTICK_PERIOD_MS); // 1hz delay
    if (blueLedStatus == HIGH){ // preventing the serial from printing continuously
      printedBLUEStatus = false;
    }
  }
}


void display (void * pvParameters){ // function to display the led status
  for(;;){
    if (redLedStatus == HIGH && !printedREDStatus){
      Serial.println("RED LED ON"); // printing status in serial if red is on
      printedREDStatus = true;
    }

    if (blueLedStatus == HIGH && !printedBLUEStatus){
      Serial.println("BLUE LED ON"); // printing status in serial if blue is on
      printedBLUEStatus = true;
    } 
  }
}


void loop(){}


/*
3 task
1st task -  red led blinking (2.5hz) priority 2 (400)
2nd Task Blue Blink 1hz priority 2 (1000)
3rd Task Serial Task (LED IS ON, BLUE IS ON) (queue/semaphore)
include comments

instructions

*/