Checking in Synchronizer code from Sigrun's dropbox folder
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foley@ru.is
227
dawn/prior-art/Synchronizer_prg1/IR_Get_Code/IR_Get_Code.pde
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227
dawn/prior-art/Synchronizer_prg1/IR_Get_Code/IR_Get_Code.pde
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/* IR Remote control
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* capture a infrared burst from a remote control and generate code template for reproducing that burst
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* measure the infrared carrier frequency / capture ir pulse train (max 200 pulses )
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* connect the IR receiver Module (IR_reveiver_schematic.jpg)
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* to pin 4,5,6,7
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*
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*
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* KHM 2010 / Martin Nawrath
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* Kunsthochschule fuer Medien Koeln
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* Academy of Media Arts Cologne
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*/
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#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
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#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
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//! Macro that clears all Timer/Counter1 interrupt flags.
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#define CLEAR_ALL_TIMER1_INT_FLAGS (TIFR1 = TIFR1)
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int pinLed = 13; // LED connected to digital pin 13
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int pinGND = 4; // Ground for IR reveiver Module
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int pinVCC = 5; // +5V for IR reveiver Module
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int pinAIN0= 6; // Analog Comparator In 0 / IR reveiver Module
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int pinAIN1= 7; // Analog Comparator In 0 / IR reveiver Module
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int pinTest = 8;
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unsigned int khz;
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byte bb;
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byte bba;
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int cnt;
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const int maxlen = 300;
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int codelen;
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unsigned int timecode[maxlen+5];
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void setup()
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{
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pinMode(pinLed, OUTPUT); // sets the digital pin as output
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pinMode(pinTest, OUTPUT);
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pinMode(pinGND, OUTPUT);
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pinMode(pinVCC, OUTPUT);
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pinMode(pinAIN0, INPUT);
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pinMode(pinAIN1, INPUT);
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digitalWrite(pinVCC,1);
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digitalWrite(pinGND,0);
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Serial.begin(115200); // connect to the serial port
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// hardware counter setup ( refer atmega168.pdf chapter 16-bit counter1)
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TCCR1A=0; // reset timer/counter1 control register A
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TCCR1B=0; // reset timer/counter1 control register A
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TCNT1=0; // counter value = 0
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// set timer/counter1 hardware as counter , counts events on pin T1 ( arduino pin 5)
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// normal mode, wgm10 .. wgm13 = 0
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cbi (TCCR1B ,CS10); // no clock
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cbi (TCCR1B ,CS11);
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cbi (TCCR1B ,CS12);
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// timer2 setup / is used for frequency measurement gatetime generation
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// timer 2 presaler set to 256 / timer 2 clock = 16Mhz / 256 = 62500 Hz
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cbi (TCCR2B ,CS20);
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sbi (TCCR2B ,CS21);
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sbi (TCCR2B ,CS22);
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//set timer2 to CTC Mode
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cbi (TCCR2A ,WGM20);
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sbi (TCCR2A ,WGM21);
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cbi (TCCR2B ,WGM22);
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OCR2A = 124; // CTC at top of OCR2A / timer2 interrupt when coun value reaches OCR2A value
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// interrupt control
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// sbi (TIMSK2,OCIE2A); // enable Timer2 Interrupt
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cbi(ADCSRB,ACME);
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cbi(ACSR,ACD);
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cbi(ACSR,ACBG);
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Serial.println(" Infrared code detector");
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while ((ACSR & 32) == 0) {
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}
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khz=f_measure();
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Serial.print(khz);
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Serial.print( " KHz");
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Serial.println( "");
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}
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void loop()
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{
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if (ACSR & 32) { // if IR Signal on pin 5 present
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TCCR1B=0; //timer1 off
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sbi(TIFR1,TOV1); // clear Timer/Counter 1 overflow flag
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TCNT1=0; // clear timer1
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TCCR1B=3; //timer1 prescaler =64;
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bba=0;
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cnt=1;
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while ((TIFR1 & 1)==0 ) { // wait for T1 period length 250ms TIFR1 Flag
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bb=0;
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bb = ACSR & 32; // sample IR Strobe Signal for HIGH/LOW
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delayMicroseconds(5);
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bb =bb | ACSR & 32;
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delayMicroseconds(5);
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bb =bb | ACSR & 32;
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delayMicroseconds(5);
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bb =bb | ACSR & 32;
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delayMicroseconds(5);
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bb =bb | ACSR & 32;
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delayMicroseconds(5);
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bb =bb | ACSR & 32;
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delayMicroseconds(5);
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bb =bb | ACSR & 32;
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delayMicroseconds(5);
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bb =bb | ACSR & 32;
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if (bb != bba) { // if IR strobe level changed
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PORTB = PORTB ^ 32; // LED blink
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timecode[cnt]=TCNT1; // Store Timecode in Table
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codelen=TCNT1;
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cnt++; // Count IR Strobes
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if (cnt > maxlen) cnt =maxlen-1; // cnt max
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delayMicroseconds(200);
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}
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bba=bb;
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}
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timecode[cnt]=0;
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print_code_template();
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for (int ii=1;ii < maxlen;ii++) timecode[ii]=0;
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}
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}
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//******************************************************************
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// print a code template according to a pressed button
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void print_code_template(){
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unsigned int ix,ia,ia1,ia2;
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char st1[20];
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unsigned long int w1,w2;
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Serial.println( "//****************** CODE TEMPLATE FOR IR REMOTE ****************************");
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Serial.print( "// IR codelength = ");
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Serial.print( codelen*4/1000);
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Serial.print( " ms");
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Serial.println( "");
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Serial.print( "ICR1 = 16000 /") ;
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Serial.print(khz);
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Serial.println( "; // IR carrier frequency") ;
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for (ix=1;ix < maxlen;ix+=2) {
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ia=timecode[ix];
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ia1=timecode[ix+1];
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ia2=timecode[ix+2];
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if (ia !=0) {
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Serial.print( "sbi(DDRB,1); delayMicroseconds(");
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w1=ia1-ia;
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w1=w1*4;
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sprintf(st1, "%4d );", w1);
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Serial.print( st1);
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timecode[ix]=0;
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}
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if (ia2 !=0) {
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w2=ia2-ia1;
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w2=w2*4;
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Serial.print( " cbi(DDRB,1); delayMicroseconds(" );
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sprintf(st1, "%4d );", w2);
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Serial.print( st1);
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timecode[ix]=0;
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timecode[ix+1]=0;
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Serial.print( " // ");
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sprintf(st1, "ix:%3d", ix);
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Serial.print( st1);
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sprintf(st1, " ton:%4d", w1);
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Serial.print( st1);
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sprintf(st1, " toff:%4d", w2);
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Serial.print( st1);
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Serial.println("");
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}
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}
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Serial.print( " cbi(DDRB,1);" );
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Serial.println("");
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Serial.println("");
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Serial.println("");
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}
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//******************************************************************
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// measure infrared carrier frequency at pin 6,7 / analog comparator
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unsigned int f_measure() {
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TCCR1B=0; //timer1 off
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sbi(TIFR1,TOV1); // clear Timer/Counter 1 overflow flag
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TCNT1=0; // clear timer1
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TCCR1B=3; //timer1 prescaler =64;
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int cnt=0;
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byte bb,bba;
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while (TCNT1 < 250) {
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bb=ACSR;
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if (bb != bba) {
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cnt++;
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// PORTB ^= 32;
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}
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bba=bb;
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}
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cnt=cnt/2;
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return (cnt);
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}
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/* DVD IR Synchronizer for Toshiba SD590EKE V1.0
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* Developed for Art Installation "Dawn" by Sigrun Hardardottir<sigrun@stalverk.is>
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* Code written by Joe Foley <foley@ru.is>
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* on 2013-09-08
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*
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* Based upon Sychronizer code by
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* KHM 2010 / Martin Nawrath
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* Kunsthochschule fuer Medien Koeln
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* Academy of Media Arts Cologne
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*
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* Requires libraries:
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* MsTimer2 http://playground.arduino.cc/Main/MsTimer2
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* Arduino-IRremote https://github.com/shirriff/Arduino-IRremote
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*
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* The IRremote library uses Pin 3 for the Anode (longer pin)
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* We have made a ground pin on Pin 4 for the Cathode (shorter pin)
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*/
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#include <MsTimer2.h>
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#include <IRremote.h>
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int pinGND=4; // Longer leg on the IR LED
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int secs;
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int playtime= 6*60+9; // set here ypur DVD title playtime in sec leave a little extra
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//int playtime= 10; // testing
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IRsend irsend;
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void setup() {
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pinMode(pinGND,OUTPUT);
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Serial.begin(115200);
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Serial.println("Toshiba DVD SD590EKE Synchronizer V1.0");
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Serial.println("For \"Dawn\" by Sigrun Hardardottir");
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Serial.println("Code by Joe Foley <foley@ru.is>");
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Serial.print("Playtime: ");
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secs=playtime;
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Serial.print("sec:");
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Serial.print(secs);
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Serial.print(" / mm:ss ");
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Serial.print(secs/60);
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Serial.print(":");
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Serial.print(secs % 60);
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Serial.println("");
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Serial.println("play");
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send_play();
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Serial.println("wait 7 seconds");
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delay(7000);
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secs=playtime;
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}
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/********************************************************************/
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void loop() {
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Serial.println("Sync");
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Serial.println(" pause");
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send_pause();
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delay(2000);
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Serial.println(" skip");
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send_previous();
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delay(2000);
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Serial.println(" play");
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send_play();
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for(int t = 0; t < playtime; t++) {
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Serial.print("sec:");
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Serial.print(playtime);
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Serial.print(" / mm:ss ");
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Serial.print(t/60);
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Serial.print(":");
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Serial.print(t % 60);
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Serial.println("");
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delay(1000);
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}
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}
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/********************************************************************/
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void send_stop() {
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// First comes the pre-data bits, then the command code
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irsend.sendNEC(0xA25D28D7,32);
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}
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/********************************************************************/
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void send_play() {
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// First comes the pre-data bits, then the command code
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irsend.sendNEC(0xA25DA857,32);
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}
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/********************************************************************/
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void send_pause() {
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// First comes the pre-data bits, then the command code
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irsend.sendNEC(0xA25D00FF, 32);
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}
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/********************************************************************/
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void send_previous() {
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// First comes the pre-data bits, then the command code
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irsend.sendNEC(0xA25DC43B, 32);
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}
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@@ -0,0 +1,29 @@
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/*
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* IRremote: IRsendDemo - demonstrates sending IR codes with IRsend
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* An IR LED must be connected to Arduino PWM pin 3.
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* Version 0.1 July, 2009
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* Copyright 2009 Ken Shirriff
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* http://arcfn.com
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* JVC and Panasonic protocol added by Kristian Lauszus (Thanks to zenwheel and other people at the original blog post)
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*/
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#include <IRremote.h>
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#define PanasonicAddress 0x4004 // Panasonic address (Pre data)
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#define PanasonicPower 0x100BCBD // Panasonic Power button
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#define JVCPower 0xC5E8
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IRsend irsend;
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void setup()
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{
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}
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void loop() {
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irsend.sendPanasonic(PanasonicAddress,PanasonicPower); // This should turn your TV on and off
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irsend.sendJVC(JVCPower, 16,0); // hex value, 16 bits, no repeat
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delayMicroseconds(50); // see http://www.sbprojects.com/knowledge/ir/jvc.php for information
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irsend.sendJVC(JVCPower, 16,1); // hex value, 16 bits, repeat
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delayMicroseconds(50);
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}
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