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@miguelalonso
Created November 12, 2014 17:18
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arduino NRF24L01 - prueba
/*
http://blog.riyas.org/search/label/radio
*/
#include <SPI.h>
#include "nRF24L01.h"
#include "RF24.h"
// For using the temperature sensor DS18S20
#include <OneWire.h>
//int DS18S20_Pin = 8; //DS18S20 Signal pin on digital 2
//OneWire ds(DS18S20_Pin); // on digital pin 2
float datos[5]; // 2 element array holding Joystick readings
//for nrf24 debug
int serial_putc( char c, FILE * )
{
Serial.write( c );
return c;
}
//for nrf24 debug
void printf_begin(void)
{
fdevopen( &serial_putc, 0 );
}
//nRF24 set the pin 9 to CE and 10 to CSN/SS
// Cables are:
// SS -> 10
// MOSI -> 11
// MISO -> 12
// SCK -> 13
RF24 radio(6,7);
//we only need a write pipe, but am planning to use it later
const uint64_t pipes[2] = { 0xF0F0F0F0E1LL,0xF0F0F0F0D2LL };
// here we can send up to 30 chars
char SendPayload[31] = "blog.riyas.org";
long randNumber;
void setup(void) {
Serial.begin(9600); //Debug
printf_begin();
//nRF24 configurations
radio.begin();
//radio.setChannel(0x4c);
//radio.setAutoAck(1);
//radio.setRetries(15,15);
//radio.setDataRate(RF24_250KBPS);
//radio.setPayloadSize(32);
//radio.openReadingPipe(1,pipes[0]);
radio.openWritingPipe(pipes[1]);
radio.startListening();
radio.printDetails(); //for Debugging
}
void loop() {
datos[0] = random(3000);;
datos[1] = -random(3000);;
datos[2] = 129.25;
datos[3] = -analogRead(1);
datos[4] = analogRead(2);
Serial.println (datos[0]);
//Get temperature from sensor
// float temperature = getTemp();
float temperature = 25.25;
// Assign temperature to payload, here am sending it as string
//dtostrf(temperature,2,2,SendPayload);
//add a tag
// strcat(SendPayload, "X"); // add first string
//send a heartbeat
radio.stopListening();
//bool ok = radio.write(&SendPayload,strlen(SendPayload));
bool ok = radio.write( datos, sizeof(datos) );
// Serial.println (sizeof(datos));
radio.startListening();
//Serial.println(SendPayload);
// slow down a bit
delay(1000);
}
// Getting temperature from DS18S20
/*
float getTemp(){
//returns the temperature from one DS18S20 in DEG Celsius
byte data[12];
byte addr[8];
if ( !ds.search(addr)) {
//no more sensors on chain, reset search
ds.reset_search();
return -1000;
}
if ( OneWire::crc8( addr, 7) != addr[7]) {
Serial.println("CRC is not valid!");
return -1000;
}
if ( addr[0] != 0x10 && addr[0] != 0x28) {
Serial.print("Device is not recognized");
return -1000;
}
ds.reset();
ds.select(addr);
ds.write(0x44,1); // start conversion, with parasite power on at the end
byte present = ds.reset();
ds.select(addr);
ds.write(0xBE); // Read Scratchpad
for (int i = 0; i < 9; i++) { // we need 9 bytes
data[i] = ds.read();
}
ds.reset_search();
byte MSB = data[1];
byte LSB = data[0];
float tempRead = ((MSB << 8) | LSB); //using two's compliment
float TemperatureSum = tempRead / 16;
return TemperatureSum;
}
*/
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