โปรเจ็คนี้ผมยังไม่ทำนะครับถ้าทำเสร็จแล้วจะเอาคริปมาให้ดูอีก
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unsigned long pulse_start,pulse_high,pulse_low;
int x=0,i,chk,flip=0,freq=12;
unsigned int code_on[60][6]={0};
unsigned int code_off[60][6]={0};
void setup() {
pinMode(2,INPUT); // IR sensor-TSOP
pinMode(12,OUTPUT); // IR LED driver pin
pinMode(13,OUTPUT); // Indicator LED
pinMode(4,INPUT); // Vol+
pinMode(5,INPUT); // Vol-
pinMode(6,INPUT); // Prog+
pinMode(7,INPUT); // prog-
pinMode(3,INPUT); // Power
pinMode(8,INPUT); // Jammer
pinMode(9,INPUT); //programming cancel button
digitalWrite(12,LOW);
//delay(1000);
//Total buttons= 7,POWER,VOLUME+-,Channel+-,Jammer,programming cancel...
// Serial.begin(9600);
while(1){ //freq callibration
PORTB |=_BV(PORTB4);
delayMicroseconds(freq);
PORTB &= ~_BV(PORTB4);
delayMicroseconds(freq);
if( PIND & _BV(PORTD4)) {
freq=freq+1;
delay(500);
}
PORTB |=_BV(PORTB4);
delayMicroseconds(freq);
PORTB &= ~_BV(PORTB4);
delayMicroseconds(freq);
if(PIND & _BV(PORTD5)) {
freq=freq-1;
delay(500);
}
PORTB |=_BV(PORTB4);
delayMicroseconds(freq);
PORTB &= ~_BV(PORTB4);
delayMicroseconds(freq);
if(PIND & _BV(PORTD6))
break;
PORTB |=_BV(PORTB4);
delayMicroseconds(freq);
PORTB &= ~_BV(PORTB4);
delayMicroseconds(freq);
}
}
void loop() {
for(int count=0 ;count<=10 ;count++) {
digitalWrite(13,HIGH);
delay(50);
digitalWrite(13,LOW);
delay(50);
}
delay(1000);
//code_on[60][6]={0};
//code_off[60][6]={0};
//Serial.print("Ahoy,I'm ready !");
for(x=0 ; x<=5 ; x=x+1) {
i=0,chk=0;
// float freq=0; frequency can't be measured caused i'm using an IR sensor that "filters out" the 38kHz signal....basile has provided a link to use an IR photocell....then the freq part might work..
while(1) {
if(!(PIND & _BV(PORTD2))) { //First Low signal
pulse_start=micros();
pulse_low=pulse_start;
break;
}
if(PINB & _BV(PORTB1)) { // programming cancelled
goto loop_out;
}
}
pulse:
while(1) {
if( (PIND & _BV(PORTD2)) ) { //High signal
chk=1;
pulse_high=micros();
if( (pulse_high-pulse_low) > 20 && (pulse_high-pulse_low) < 65000 ) {
code_on[i][x] =(pulse_high-pulse_start);
i++;
if(i==59)
goto pulse_end;
pulse_start=pulse_high;
break;
}
//else if( fabs(pulse_high-pulse_low) < 20) { //can't measure freq right now,as TSOP filters the 38Khz signals
//if(f==0) {
//int time=fabs(pulse_high-pulse_low);
//freq=(1000/(2*time));
//}
//}
else if(micros()-pulse_low > 65000) //65 Chosen as variable to store time is unsigned int
goto pulse_end; //High for too long time,so taken as pulse end
}
else if ( (!(PIND & _BV(PORTD2))) && chk==1) { //low signal
chk=0;
pulse_low=micros();
/*if(f==0) {
unsigned int time=(pulse_low-pulse_high);
Serial.print(time);
freq=(1000/(2*time));
f=f+1;
}*/
}
else if( (!(PIND & _BV(PORTD2))) && (micros()-pulse_low) > 100000) //low for too long,aborted
return;
}
while(1){
if((!(PIND & _BV(PORTD2))) && (micros()-pulse_start >36 )) { //check for Low signal
pulse_low=micros();
code_off[i-1][x]= pulse_low-pulse_start;
pulse_start=pulse_low;
goto pulse;
}
else if (micros()-pulse_start>100000) //assumed to be end of pulse
goto pulse_end;
}
pulse_end:
for(int count=0 ;count<=4 ;count++) {
digitalWrite(13,HIGH);
delay(150);
digitalWrite(13,LOW);
delay(150);
}
}
//**************************************************************************************//
//*****************************Data input complete**************************************//
//**************************************************************************************//
//**************************************************************************************//
loop_out:
digitalWrite(13,HIGH); //Indicating data input complete
while(1) {
if(digitalRead(3)==1) { //power
flip=!flip;
digitalWrite(13,LOW);
// Serial.print("POWER");
IR_Signal(flip);
}
else if(digitalRead(4)==1) { //Vol+
digitalWrite(13,LOW);
//Serial.print("Vol+");
IR_Signal(2);
}
else if(digitalRead(5)==1) { //Vol-
digitalWrite(13,LOW);
//Serial.print("Vol-");
IR_Signal(3);
}
else if(digitalRead(6)==1) { //prog+
digitalWrite(13,LOW);
//Serial.print("Prog+");
IR_Signal(4);
}
else if(digitalRead(7)==1) { //Prog-
digitalWrite(13,LOW);
//Serial.print("Prog-");
IR_Signal(5);
}
else if(digitalRead(8)==1) {
digitalWrite(13,LOW);
while(digitalRead(8)==1) { //jammer
PORTB |=_BV(PORTB4);
delayMicroseconds(freq);
PORTB &= ~_BV(PORTB4);
delayMicroseconds(freq);
}
digitalWrite(13,HIGH);
}
else
digitalWrite(13,HIGH);
}
/*Serial.print("\nOn times\n");
for(int j=0; j<=i; j++){
Serial.println(code_on[j]);
//Serial.print("\n");
}
Serial.print("\nOff times\n");
for(int j=0; j<=i; j++){
Serial.println(code_off[j]);
//Serial.print("\n");
}
Serial.print("Frequency = ");
Serial.println(freq);
delay(500);*/
}
void IR_Signal(int a) {
int col=a;
for(int k=0; k<=60 ;k++){
unsigned long time=micros();
while(micros()-time<=code_on[k][col]) {
PORTB |=_BV(PORTB4);
delayMicroseconds(freq);
PORTB &= ~_BV(PORTB4);
delayMicroseconds(freq);
}
time=micros();
while(micros()-time<=code_off[k][col]) {
//PORTB &= ~_BV(PORTB4);
//delayMicroseconds(freq);
}
}
}
http://www.instructables.com/id/Clone-1/step6/Youre-done/
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