/*
* Arduino Wireless Communication Tutorial
*     Example 1 - Transmitter Code
*
* by Dejan Nedelkovski, www.HowToMechatronics.com
*
* Library: TMRh20/RF24, https://github.com/tmrh20/RF24/
*/

#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>

#define TRANSMIT_INTERVAL_MS 1000
#define MESSAGE_KEY 12345


typedef enum {
  SENSOR_TEMP = 0,
  SENSOR_PRESS
} sensor_type_t;

typedef struct {
  int key;
  sensor_type_t type;
  int val;

} sensor_data_t;

RF24 radio(9, 10); // CE, CSN

const byte address[6] = "00001";

void setup() {
  Serial.begin(9600);
  radio.begin();
  radio.openWritingPipe(address);
  radio.setPALevel(RF24_PA_MIN);
  radio.stopListening();
}

void loop() {
  sensor_data_t msg;

  msg.key = MESSAGE_KEY;
  msg.type = SENSOR_TEMP;
  msg.val = 123;

  radio.write(&msg, sizeof(sensor_data_t));
  delay(TRANSMIT_INTERVAL_MS);

  Serial.println("  TX done!\n");
}