103 lines
2.2 KiB
C++
103 lines
2.2 KiB
C++
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/*
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RFSniffer
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Usage: ./RFSniffer [<pulseLength>]
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[] = optional
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Hacked from http://code.google.com/p/rc-switch/
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by @justy to provide a handy RF code sniffer
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*/
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#include "../rc-switch/RCSwitch.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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RCSwitch mySwitch;
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void light()
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{
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digitalWrite(25, LOW);
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usleep(200000);
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digitalWrite(25, HIGH);
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//printf("%d\n", digitalRead(25));
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}
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int main(int argc, char *argv[]) {
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// This pin is not the first pin on the RPi GPIO header!
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// Consult https://projects.drogon.net/raspberry-pi/wiringpi/pins/
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// for more information.
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int PIN = 7;
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if(wiringPiSetup() == -1) {
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printf("wiringPiSetup failed, exiting...");
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return 0;
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}
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int pulseLength = 0;
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if (argv[1] != NULL) pulseLength = atoi(argv[1]);
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mySwitch = RCSwitch();
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if (pulseLength != 0) mySwitch.setPulseLength(pulseLength);
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mySwitch.enableReceive(PIN); // Receiver on interrupt 0 => that is pin #2
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pinMode(25, OUTPUT);
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#define LIVE 1
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static int i=0;
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unsigned long value = 0;
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static int values[LIVE] = {0};
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while(1) {
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while(1) {
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if (mySwitch.available()) {
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value = mySwitch.getReceivedValue();
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values[i] = value;
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if (value == 0)
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{
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printf("Unknown encoding\n");
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}
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else
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{
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light();
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printf("i=%d, Received %lu\n", i, values[i] );
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}
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fflush(stdout);
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mySwitch.resetAvailable();
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if (i != 0) {
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if (values[1] == values[0]+1)
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printf("有我的按钮发来数据\n");
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}
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if (i != 1) {
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if (values[0] == values[1]+1)
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printf("有我的按钮发来数据\n");
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}
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if (i==LIVE) {
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i=0;
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break;
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}
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i=i+1;
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}
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}
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usleep(100);
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}
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return 0;
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}
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