I'm not sure this is correct place to ask my question, but I will try.
I want to decode IR signal from one remote controller and then play it with some other circuit which use PIC microcontroller.
I used this code to decode IR signal:
Code: Select all
/* Raw IR decoder sketch!
This sketch/program uses the Arduno and a PNA4602 to
decode IR received. This can be used to make a IR receiver
(by looking for a particular code)
or transmitter (by pulsing an IR LED at ~38KHz for the
durations detected
Code is public domain, check out www.ladyada.net and adafruit.com
for more tutorials!
*/
// We need to use the 'raw' pin reading methods
// because timing is very important here and the digitalRead()
// procedure is slower!
//uint8_t IRpin = 2;
// Digital pin #2 is the same as Pin D2 see
// http://arduino.cc/en/Hacking/PinMapping168 for the 'raw' pin mapping
#define IRpin_PIN PIND
#define IRpin 2
// for MEGA use these!
//#define IRpin_PIN PINE
//#define IRpin 4
// the maximum pulse we'll listen for - 65 milliseconds is a long time
#define MAXPULSE 65000
// what our timing resolution should be, larger is better
// as its more 'precise' - but too large and you wont get
// accurate timing
#define RESOLUTION 20
// we will store up to 100 pulse pairs (this is -a lot-)
uint16_t pulses[100][2]; // pair is high and low pulse
uint8_t currentpulse = 0; // index for pulses we're storing
void setup(void) {
Serial.begin(9600);
Serial.println("Ready to decode IR!");
}
void loop(void) {
uint16_t highpulse, lowpulse; // temporary storage timing
highpulse = lowpulse = 0; // start out with no pulse length
// while (digitalRead(IRpin)) { // this is too slow!
while (IRpin_PIN & (1 << IRpin)) {
// pin is still HIGH
// count off another few microseconds
highpulse++;
delayMicroseconds(RESOLUTION);
// If the pulse is too long, we 'timed out' - either nothing
// was received or the code is finished, so print what
// we've grabbed so far, and then reset
if ((highpulse >= MAXPULSE) && (currentpulse != 0)) {
printpulses();
currentpulse=0;
return;
}
}
// we didn't time out so lets stash the reading
pulses[currentpulse][0] = highpulse;
// same as above
while (! (IRpin_PIN & _BV(IRpin))) {
// pin is still LOW
lowpulse++;
delayMicroseconds(RESOLUTION);
if ((lowpulse >= MAXPULSE) && (currentpulse != 0)) {
printpulses();
currentpulse=0;
return;
}
}
pulses[currentpulse][1] = lowpulse;
// we read one high-low pulse successfully, continue!
currentpulse++;
}
void printpulses(void) {
Serial.println("\n\r\n\rReceived: \n\rOFF \tON");
for (uint8_t i = 0; i < currentpulse; i++) {
Serial.print(pulses[i][0] * RESOLUTION, DEC);
Serial.print(" usec, ");
Serial.print(pulses[i][1] * RESOLUTION, DEC);
Serial.println(" usec");
}
// print it in a 'array' format
Serial.println("int IRsignal[] = {");
Serial.println("// ON, OFF (in 10's of microseconds)");
for (uint8_t i = 0; i < currentpulse-1; i++) {
Serial.print("\t"); // tab
Serial.print(pulses[i][1] * RESOLUTION / 10, DEC);
Serial.print(", ");
Serial.print(pulses[i+1][0] * RESOLUTION / 10, DEC);
Serial.println(",");
}
Serial.print("\t"); // tab
Serial.print(pulses[currentpulse-1][1] * RESOLUTION / 10, DEC);
Serial.print(", 0};");
}
int IRsignal[] = {
900, 422,
72, 40,
68, 40,
68, 42,
66, 46,
60, 50,
60, 50,
60, 50,
58, 50,
60, 50,
58, 52,
56, 54,
56, 52,
58, 164,
54, 166,
54, 54,
56, 54,
56, 54,
54, 164,
56, 56,
54, 54,
56, 54,
56, 54,
54, 56,
54, 54,
56, 166,
54, 54,
56, 164,
56, 164,
54, 166,
54, 166,
54, 166,
54, 164,
56, 0};
When I copy this code in this file:
Code: Select all
int IRledPin = 13;
int tipka = 2;
#define NumIRsignals 68
int stanje = 0;
int IRsignal[] = {
900, 422,
72, 40,
68, 40,
68, 42,
66, 46,
60, 50,
60, 50,
60, 50,
58, 50,
60, 50,
58, 52,
56, 54,
56, 52,
58, 164,
54, 166,
54, 54,
56, 54,
56, 54,
54, 164,
56, 56,
54, 54,
56, 54,
56, 54,
54, 56,
54, 54,
56, 166,
54, 54,
56, 164,
56, 164,
54, 166,
54, 166,
54, 166,
54, 164,
56, 0};
void setup(void) {
pinMode(IRledPin, OUTPUT);
pinMode(tipka, INPUT);
digitalWrite(IRledPin, LOW);
}
void loop() {
stanje = digitalRead(tipka);
delay(1000);
if(stanje == 1){
for (int i = 0; i < NumIRsignals; i+=2) {
pulseIR(IRsignal[i]*10);
delayMicroseconds(IRsignal[i+1]*10);
}
}
}
void pulseIR(long microsecs) {
while (microsecs > 0) {
digitalWrite(IRledPin, HIGH);
delayMicroseconds(10);
digitalWrite(IRledPin, LOW);
delayMicroseconds(10);
microsecs -= 26;
}
}
Here is my code in mikroC:
Code: Select all
#include "16f628a.h"
void main(){
CMCON = 0x07;
const int signal[68] = {900, 422,72, 40,68, 40,68, 42,66, 46,60, 50,60, 50,60, 50,58, 50,60, 50,58, 52,56, 54,56, 52,58, 164,54, 166,54, 54,56, 54,56, 54,54, 164,56, 56,54, 54,56, 54,56, 54,54, 56,54, 54,56, 166,54, 54,56, 164,56,164,54, 166,54, 166,54, 166,54, 164,56,0};
float microseconds = 0;
int i = 0;
int j = 0;
int puls = 0;
PORTB=0;
TRISB=0;
delay_ms(1000);
while(1){
for(i = 0;i<68;i+=2){
microseconds = signal[i] * 10;
while(microseconds>0){
PORTB.RB2 = 1;
delay_us(10);
PORTB.RB2 = 0;
delay_us(10);
microseconds -=26;
}
puls = signal[i+1];
for(j=0;j<puls;j++) delay_us(10);
}
PORTB.RB2 = 0;
delay_ms(5000);
}
}
But this doesn't work.
Please help, where is error in my microC code?
Thanks a lot