Further development of firmware for Bluetooth data transmission.

Samo Penic

2022-05-16 e0a3ca6fe6dcca8b7557063a1d99ff614d9547fa

 firmware/trigger_firmware/trigger_firmware.ino

@@ -20,10 +20,15 @@
char dataToSend[4] = "TRG";

void IRAM_ATTR isr() {
    digitalWrite(OUT_TRIGGER, HIGH);
    radio.write( &dataToSend, sizeof(dataToSend) );
    delay(1);
    digitalWrite(OUT_TRIGGER,LOW);
//    detachInterrupt(digitalPinToInterrupt(IN_TRIGGER));
    digitalWrite(OUT_TRIGGER, LOW);
    long time=micros();
    while(micros()-time<4000);
    digitalWrite(OUT_TRIGGER,HIGH);
//        radio.write( &dataToSend, sizeof(dataToSend) );

//    attachInterrupt(digitalPinToInterrupt(IN_TRIGGER), isr, RISING);
  
}


@@ -38,17 +43,23 @@
  radio.begin();
  radio.openWritingPipe(address);
  radio.setPALevel(RF24_PA_MAX);
  //radio.setDataRate( RF24_250KBPS );
  radio.setDataRate( RF24_250KBPS );

  pinMode(IN_TRIGGER, INPUT_PULLUP);
  //pinMode(IN_TRIGGER, INPUT_PULLUP);
  pinMode(OUT_TRIGGER, OUTPUT);
  attachInterrupt(IN_TRIGGER, isr, RISING);
  
  digitalWrite(OUT_TRIGGER,HIGH);
  attachInterrupt(digitalPinToInterrupt(IN_TRIGGER), isr, FALLING);
  Serial.begin(115200);

}

void loop() {
  // put your main code here, to run repeatedly:
//radio.write( &dataToSend, sizeof(dataToSend) );
//    delay(5000);
Serial.print(micros());
Serial.println(": ---> TRG");
radio.write( &dataToSend, sizeof(dataToSend) );
Serial.print(micros());
Serial.println(": TRG--->");
    delay(5000);

}