Andrew's git - arduino-weather.git/blob - libraries/VirtualWire/examples/receiver/receiver.pde

   1// receiver.pde
   2//
   3// Simple example of how to use VirtualWire to receive messages
   4// Implements a simplex (one-way) receiver with an Rx-B1 module
   5//
   6// See VirtualWire.h for detailed API docs
   7// Author: Mike McCauley (mikem@airspayce.com)
   8// Copyright (C) 2008 Mike McCauley
   9// $Id: receiver.pde,v 1.3 2009/03/30 00:07:24 mikem Exp $
  10
  11#include <VirtualWire.h>
  12
  13const int led_pin = 13;
  14const int transmit_pin = 12;
  15const int receive_pin = 11;
  16const int transmit_en_pin = 3;
  17
  18void setup()
  19{
  20    delay(1000);
  21    Serial.begin(9600); // Debugging only
  22    Serial.println("setup");
  23
  24    // Initialise the IO and ISR
  25    vw_set_tx_pin(transmit_pin);
  26    vw_set_rx_pin(receive_pin);
  27    vw_set_ptt_pin(transmit_en_pin);
  28    vw_set_ptt_inverted(true); // Required for DR3100
  29    vw_setup(2000);      // Bits per sec
  30
  31    vw_rx_start();       // Start the receiver PLL running
  32
  33    pinMode(led_pin, OUTPUT);
  34}
  35
  36void loop()
  37{
  38    uint8_t buf[VW_MAX_MESSAGE_LEN];
  39    uint8_t buflen = VW_MAX_MESSAGE_LEN;
  40
  41    if (vw_get_message(buf, &buflen)) // Non-blocking
  42    {
  43        int i;
  44
  45        digitalWrite(led_pin, HIGH); // Flash a light to show received good message
  46        // Message with a good checksum received, dump it.
  47        Serial.print("Got: ");
  48        
  49        for (i = 0; i < buflen; i++)
  50        {
  51            Serial.print(buf[i], HEX);
  52            Serial.print(' ');
  53        }
  54        Serial.println();
  55        digitalWrite(led_pin, LOW);
  56    }
  57}