//FreeRTOS Interrupt Management Examples with Arduino
//https://microcontrollerslab.com/freertos-interrupt-management-examples-with-arduino/

// Installation of FreeRTOS on Library Manager on the left radio colume.
#include <Arduino_FreeRTOS.h>
#include "queue.h"

QueueHandle_t xStringQueue;

int timer1_counter;

void setup(){
  Serial.begin(9600);
  
  xStringQueue = xQueueCreate(28, sizeof(char *));
  xTaskCreate(vTaskStringPrinter," String Printer Task", 256, NULL, 1, NULL);
  //xTaskCreate(vTaskStringPrinter," String Printer", 100, NULL, 1,NULL);
  InterruptInit();
}

void vTaskStringPrinter(void *pvParameters){
  char *pcString;

  while(1)  {
    xQueueReceive(xStringQueue,&pcString,portMAX_DELAY);
    Serial.println(pcString);
  }
}

ISR(TIMER1_OVF_vect){
  //TCNT1 = timer1_counter;
  //uint32_t receivedNumber;

  static const char *pcStrings[]={"Hello! Hi, I’am Dong."};
  /* static const char *pcStrings[]=
  {
    "Hello\r\n",
    "Hi\r\n",
    "I\r\n",
    "am\r\n",
    "Dong.\r\n", 
  };  */

  xQueueSendToBackFromISR(xStringQueue,&pcStrings,pdFALSE);
  //xQueueSendToBackFromISR(xStringQueue,&pcStrings[0],pdFALSE);
  // Only print "Hello" with &pcStrings[0]. 
}

void loop(){}

void InterruptInit(){
  noInterrupts();
  TCCR1A =0;
  TCCR1B =0;
  timer1_counter = 34286;
  TCNT1 = timer1_counter;
  TCCR1B |=(1<<CS12);
  TIMSK1 |= (1 << TOIE1);
  interrupts(); 
}