NRF Reciever.cpp

NRF RECIEVER

//connection for rf receiver

//GND = GND

//DATA = 12

//VCC = 5V

#include

//connection for motors

//motor one int enA = 10;

int in1 = 9; int in2 = 8;

// motor two int enB = 11;

int in3 = 7;

int in4 = 6;

void setup() { vw_set_ptt_inverted(true);

// Required for DR3100 vw_set_rx_pin(12);

vw_setup(4000);

// Bits per sec

// set all the motor control pins to outputs

pinMode(enA, OUTPUT);

pinMode(enB, OUTPUT);

pinMode(in1, OUTPUT);

pinMode(in2, OUTPUT);

pinMode(in3, OUTPUT);

pinMode(in4, OUTPUT);

Serial.begin(9600); vw_rx_start();

// Start the receiver PLL running

}

void loop()

{

uint8_t buf[VW_MAX_MESSAGE_LEN];

uint8_t buflen = 2;

if (vw_get_message(buf, &buflen))

// Non-blocking

{

Serial.print(buf[0]) ;

Serial.println(buf[1]);

if(buf[0]=='f'){ Serial.print("forward");

Serial.println(buf[1]);

digitalWrite(in1, LOW);

digitalWrite(in2, HIGH);

analogWrite(enA,255);

digitalWrite(in3, HIGH);

digitalWrite(in4, LOW);

analogWrite(enB,255);

}

if(buf[0]=='b') { Serial.print("backward");

Serial.println(buf[1]);

digitalWrite(in1, HIGH);

digitalWrite(in2, LOW);

analogWrite(enA,255);

digitalWrite(in3, LOW);

digitalWrite(in4, HIGH);

analogWrite(enB,255);

}

if(buf[0]=='s'){ Serial.print("stop");

Serial.println(buf[1]);

digitalWrite(in1, LOW);

digitalWrite(in2, LOW);

analogWrite(enA,255);

digitalWrite(in3, LOW);

digitalWrite(in4, LOW);

analogWrite(enB,255);

}

if(buf[0]=='l'){ Serial.print("left");

Serial.println(buf[1]);

digitalWrite(in1, LOW);

digitalWrite(in2, HIGH);

analogWrite(enA,255);

digitalWrite(in3, LOW);

digitalWrite(in4, HIGH);

analogWrite(enB,255);

}

if(buf[0]=='r'){ Serial.print("right");

Serial.println(buf[1]);

digitalWrite(in1, HIGH);

digitalWrite(in2, LOW);

analogWrite(enA,255);

digitalWrite(in3, HIGH);

digitalWrite(in4, LOW);

analogWrite(enB,255);

}

}

}