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June 21, 2018 15:09
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NRF_COM.c
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// Emisor/Receptor Wireless nRF24L01+ | |
#include <SPI.h> | |
#include <Mirf.h> | |
#include <nRF24L01.h> | |
#include <MirfHardwareSpiDriver.h> | |
char cadena[10]; //Cadena de caracteres para enviar | |
String inputstring = ""; //Cadena recibida desde el PC | |
boolean input_stringcomplete = false; //Cadena recibida completamente desde el PC | |
void setup() | |
{ | |
Mirf.spi = &MirfHardwareSpi; //Inicializa controlador de SPI | |
Mirf.init(); //Inicializa PINES del SPI | |
Mirf.payload = 1; //Define el payload, cantidad de bytes que enviara el NRF | |
Mirf.channel = 90; //Seleccion de canal | |
Mirf.config(); | |
Mirf.configRegister(RF_SETUP,0x06); // 1MHz | |
Mirf.setTADDR((byte *)"TX_01"); // Seleccion de Direccion | |
Serial.begin(57600); //Inicializa Serial a 57600 baudios | |
Serial.println("Iniciando ..."); | |
} | |
// ENVIO DE CADENA | |
void transmit(const char *string) | |
{ | |
byte c; | |
for( int i=0 ; cadena[i]!=0x00 ; i++ ){ | |
c = cadena[i]; | |
Mirf.send(&c); | |
while( Mirf.isSending() ) ; | |
} | |
} | |
// ENVIO DE CR/LF | |
void transmitlf(void) | |
{ | |
byte c; | |
c = '\r'; | |
Mirf.send(&c); | |
while( Mirf.isSending() ) ; | |
c = '\n'; | |
Mirf.send(&c); | |
while( Mirf.isSending() ) ; | |
} | |
//Recepcion de caracteres desde serial | |
void serialEvent() { | |
char inchar = (char)Serial.read(); | |
// Concatena caracter ingresado | |
inputstring += inchar; | |
// Fin de la cadena, recibido <CR> | |
if(inchar == '\r') {input_stringcomplete = true;} | |
} | |
void loop() | |
{ | |
// Condicion para enviar datos | |
if (input_stringcomplete) { | |
inputstring.toCharArray(cadena, 10); //Conversion de String a arreglo de caracteres | |
transmit(cadena); //Transmite cadena ingresada | |
transmitlf(); //Transmite CR/LF | |
Serial.println("YO: "); | |
Serial.println(inputstring); | |
input_stringcomplete = false; | |
inputstring = ""; | |
} | |
byte c; | |
int ascii; | |
//Condicion de Recepcion de datos | |
if( Mirf.dataReady() ) | |
{ | |
Mirf.getData(&c); //Funcion de libreria MIRF que recibe Byte | |
ascii=c; // | |
char caracter= (char)ascii; //Casting de char para convertir de int a char | |
Serial.print(caracter); | |
} | |
} |
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