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- /*
- * ------------------------------------------------------------------------
- * "THE BEER-WARE LICENSE" (Revision 42):
- * <phk@FreeBSD.ORG> wrote this file. As long as you retain this notice
- * you can do whatever you want with this stuff. If we meet some day,
- * and you think this stuff is worth it, you can buy me a beer in return
- * Poul-Henning Kamp
- * ------------------------------------------------------------------------
- */
- //#ifndef AD9850_H
- //#define AD9850_H
- #include <Arduino.h>
- #include <stdint.h>
- #define EX_CLK 125.0e6
- // change if ad9850 is connected to other frequency crystal oscillator
- class AD9850
- {
- private:
- const char W_CLK; // word load clock pin
- const char FQ_UD; // frequency update pin
- const char D7; // serial input pin
- uint32_t frequency; // delta phase
- uint8_t phase; // phase offset
- void update();
- public:
- AD9850(char w_clk, char fq_ud, char d7);
- /* NOTE: For device start-up in serial mode,
- hardwire pin 2 at 0, pin 3 at 1, and pin 4 at 1 */
- void setfreq(double f);
- // set frequency in Hz
- void setphase(uint8_t p);
- // for flexibility, p is an int value and 0 <= p <= 32,
- // as input, 360 degree devide into 32 parts,
- // you will get phase increments for 360/32*p degree
- void down();
- // power down
- void up();
- // power on
- };
- #define pulse(pin) {digitalWrite(pin, HIGH); digitalWrite(pin, LOW);}
- AD9850::AD9850(char w_clk, char fq_ud, char d7)
- : W_CLK(w_clk), FQ_UD(fq_ud), D7(d7) {
- frequency = 0;
- phase = 0;
- pinMode(W_CLK, OUTPUT);
- pinMode(FQ_UD, OUTPUT);
- pinMode(D7, OUTPUT);
- pulse(W_CLK);
- pulse(FQ_UD);
- }
- void AD9850::update() {
- uint32_t f = frequency;
- for (int i = 0; i < 32; i++, f >>= 1) {
- digitalWrite(D7, f & (uint32_t)0x00000001);
- pulse(W_CLK);
- }
- uint8_t p = phase;
- for (int i = 0; i < 8; i++, p >>= 1) {
- digitalWrite(D7, p & (uint8_t)0x01);
- pulse(W_CLK);
- }
- pulse(FQ_UD);
- }
- void AD9850::setfreq(double f) {
- frequency = f * 4294967296.0 / EX_CLK;
- update();
- }
- void AD9850::setphase(uint8_t p) {
- phase = p << 3;
- update();
- }
- void AD9850::down() {
- pulse(FQ_UD);
- uint8_t p = 0x04;
- for (int i = 0; i < 8; i++, p >>= 1) {
- digitalWrite(D7, p & (uint8_t)0x01);
- pulse(W_CLK);
- }
- pulse(FQ_UD);
- }
- void AD9850::up() { update(); }
- AD9850 ad(5, 6, 7); // w_clk, fq_ud, d7
- // A fun sketch to demonstrate the use of the tone() function written by Brett Hagman.
- // This plays RTTTL (RingTone Text Transfer Language) songs using the
- // now built-in tone() command in Wiring and Arduino.
- // Written by Brett Hagman
- // http://www.roguerobotics.com/
- // To play the output on a small speaker (i.e. 8 Ohms or higher), simply use
- // a 1K Ohm resistor from the output pin to the speaker, and connect the other
- // side of the speaker to ground.
- // You can get more RTTTL songs from
- // http://code.google.com/p/rogue-code/wiki/ToneLibraryDocumentation
- const int tonePin = 27; // for rEDI board
- //const int tonePin = 13; // arbitrary for arduino boards, set this to whatever you want
- #define OCTAVE_OFFSET 0
- // These values can also be found as constants in the Tone library (Tone.h)
- unsigned int notes[] = { 0,
- 10000000/262, 10000000/277, 10000000/294, 10000000/311, 10000000/330, 10000000/349, 10000000/370, 10000000/392, 10000000/415, 10000000/440, 10000000/466, 10000000/494,
- 10000000/523, 10000000/554, 10000000/587, 10000000/622, 10000000/659, 10000000/698, 10000000/740, 10000000/784, 10000000/831, 10000000/880, 10000000/932, 10000000/988,
- 10000000/1047, 10000000/1109, 10000000/1175, 10000000/1245, 10000000/1319, 10000000/1397, 10000000/1480, 10000000/1568, 10000000/1661, 10000000/1760, 10000000/1865, 10000000/1976,
- 10000000/2093, 10000000/2217, 10000000/2349, 10000000/2489, 10000000/2637, 10000000/2794, 10000000/2960, 10000000/3136, 10000000/3322, 10000000/3520, 10000000/3729, 10000000/3951
- };
- //char *song = "The Simpsons:d=4,o=5,b=160:c.6,e6,f#6,8a6,g.6,e6,c6,8a,8f#,8f#,8f#,2g,8p,8p,8f#,8f#,8f#,8g,a#.,8c6,8c6,8c6,c6";
- //char *song = "Indiana:d=4,o=5,b=250:e,8p,8f,8g,8p,1c6,8p.,d,8p,8e,1f,p.,g,8p,8a,8b,8p,1f6,p,a,8p,8b,2c6,2d6,2e6,e,8p,8f,8g,8p,1c6,p,d6,8p,8e6,1f.6,g,8p,8g,e.6,8p,d6,8p,8g,e.6,8p,d6,8p,8g,f.6,8p,e6,8p,8d6,2c6";
- //char *song = "TakeOnMe:d=4,o=4,b=160:8f#5,8f#5,8f#5,8d5,8p,8b,8p,8e5,8p,8e5,8p,8e5,8g#5,8g#5,8a5,8b5,8a5,8a5,8a5,8e5,8p,8d5,8p,8f#5,8p,8f#5,8p,8f#5,8e5,8e5,8f#5,8e5,8f#5,8f#5,8f#5,8d5,8p,8b,8p,8e5,8p,8e5,8p,8e5,8g#5,8g#5,8a5,8b5,8a5,8a5,8a5,8e5,8p,8d5,8p,8f#5,8p,8f#5,8p,8f#5,8e5,8e5";
- //char *song = "Entertainer:d=4,o=5,b=140:8d,8d#,8e,c6,8e,c6,8e,2c.6,8c6,8d6,8d#6,8e6,8c6,8d6,e6,8b,d6,2c6,p,8d,8d#,8e,c6,8e,c6,8e,2c.6,8p,8a,8g,8f#,8a,8c6,e6,8d6,8c6,8a,2d6";
- //char *song = "Muppets:d=4,o=5,b=250:c6,c6,a,b,8a,b,g,p,c6,c6,a,8b,8a,8p,g.,p,e,e,g,f,8e,f,8c6,8c,8d,e,8e,8e,8p,8e,g,2p,c6,c6,a,b,8a,b,g,p,c6,c6,a,8b,a,g.,p,e,e,g,f,8e,f,8c6,8c,8d,e,8e,d,8d,c";
- //char *song = "Xfiles:d=4,o=5,b=125:e,b,a,b,d6,2b.,1p,e,b,a,b,e6,2b.,1p,g6,f#6,e6,d6,e6,2b.,1p,g6,f#6,e6,d6,f#6,2b.,1p,e,b,a,b,d6,2b.,1p,e,b,a,b,e6,2b.,1p,e6,2b.";
- //char *song = "Looney:d=4,o=5,b=140:32p,c6,8f6,8e6,8d6,8c6,a.,8c6,8f6,8e6,8d6,8d#6,e.6,8e6,8e6,8c6,8d6,8c6,8e6,8c6,8d6,8a,8c6,8g,8a#,8a,8f";
- //char *song = "20thCenFox:d=16,o=5,b=140:b,8p,b,b,2b,p,c6,32p,b,32p,c6,32p,b,32p,c6,32p,b,8p,b,b,b,32p,b,32p,b,32p,b,32p,b,32p,b,32p,b,32p,g#,32p,a,32p,b,8p,b,b,2b,4p,8e,8g#,8b,1c#6,8f#,8a,8c#6,1e6,8a,8c#6,8e6,1e6,8b,8g#,8a,2b";
- //char *song = "Bond:d=4,o=5,b=80:32p,16c#6,32d#6,32d#6,16d#6,8d#6,16c#6,16c#6,16c#6,16c#6,32e6,32e6,16e6,8e6,16d#6,16d#6,16d#6,16c#6,32d#6,32d#6,16d#6,8d#6,16c#6,16c#6,16c#6,16c#6,32e6,32e6,16e6,8e6,16d#6,16d6,16c#6,16c#7,c.7,16g#6,16f#6,g#.6";
- //char *song = "MASH:d=8,o=5,b=140:4a,4g,f#,g,p,f#,p,g,p,f#,p,2e.,p,f#,e,4f#,e,f#,p,e,p,4d.,p,f#,4e,d,e,p,d,p,e,p,d,p,2c#.,p,d,c#,4d,c#,d,p,e,p,4f#,p,a,p,4b,a,b,p,a,p,b,p,2a.,4p,a,b,a,4b,a,b,p,2a.,a,4f#,a,b,p,d6,p,4e.6,d6,b,p,a,p,2b";
- //char *song = "StarWars:d=4,o=5,b=45:32p,32f#,32f#,32f#,8b.,8f#.6,32e6,32d#6,32c#6,8b.6,16f#.6,32e6,32d#6,32c#6,8b.6,16f#.6,32e6,32d#6,32e6,8c#.6,32f#,32f#,32f#,8b.,8f#.6,32e6,32d#6,32c#6,8b.6,16f#.6,32e6,32d#6,32c#6,8b.6,16f#.6,32e6,32d#6,32e6,8c#6";
- //char *song = "GoodBad:d=4,o=5,b=56:32p,32a#,32d#6,32a#,32d#6,8a#.,16f#.,16g#.,d#,32a#,32d#6,32a#,32d#6,8a#.,16f#.,16g#.,c#6,32a#,32d#6,32a#,32d#6,8a#.,16f#.,32f.,32d#.,c#,32a#,32d#6,32a#,32d#6,8a#.,16g#.,d#";
- //char *song = "TopGun:d=4,o=4,b=31:32p,16c#,16g#,16g#,32f#,32f,32f#,32f,16d#,16d#,32c#,32d#,16f,32d#,32f,16f#,32f,32c#,16f,d#,16c#,16g#,16g#,32f#,32f,32f#,32f,16d#,16d#,32c#,32d#,16f,32d#,32f,16f#,32f,32c#,g#";
- //char *song = "A-Team:d=8,o=5,b=125:4d#6,a#,2d#6,16p,g#,4a#,4d#.,p,16g,16a#,d#6,a#,f6,2d#6,16p,c#.6,16c6,16a#,g#.,2a#";
- //char *song = "Flinstones:d=4,o=5,b=40:32p,16f6,16a#,16a#6,32g6,16f6,16a#.,16f6,32d#6,32d6,32d6,32d#6,32f6,16a#,16c6,d6,16f6,16a#.,16a#6,32g6,16f6,16a#.,32f6,32f6,32d#6,32d6,32d6,32d#6,32f6,16a#,16c6,a#,16a6,16d.6,16a#6,32a6,32a6,32g6,32f#6,32a6,8g6,16g6,16c.6,32a6,32a6,32g6,32g6,32f6,32e6,32g6,8f6,16f6,16a#.,16a#6,32g6,16f6,16a#.,16f6,32d#6,32d6,32d6,32d#6,32f6,16a#,16c.6,32d6,32d#6,32f6,16a#,16c.6,32d6,32d#6,32f6,16a#6,16c7,8a#.6";
- //char *song = "Jeopardy:d=4,o=6,b=125:c,f,c,f5,c,f,2c,c,f,c,f,a.,8g,8f,8e,8d,8c#,c,f,c,f5,c,f,2c,f.,8d,c,a#5,a5,g5,f5,p,d#,g#,d#,g#5,d#,g#,2d#,d#,g#,d#,g#,c.7,8a#,8g#,8g,8f,8e,d#,g#,d#,g#5,d#,g#,2d#,g#.,8f,d#,c#,c,p,a#5,p,g#.5,d#,g#";
- //char *song = "Gadget:d=16,o=5,b=50:32d#,32f,32f#,32g#,a#,f#,a,f,g#,f#,32d#,32f,32f#,32g#,a#,d#6,4d6,32d#,32f,32f#,32g#,a#,f#,a,f,g#,f#,8d#";
- //char *song = "Smurfs:d=32,o=5,b=200:4c#6,16p,4f#6,p,16c#6,p,8d#6,p,8b,p,4g#,16p,4c#6,p,16a#,p,8f#,p,8a#,p,4g#,4p,g#,p,a#,p,b,p,c6,p,4c#6,16p,4f#6,p,16c#6,p,8d#6,p,8b,p,4g#,16p,4c#6,p,16a#,p,8b,p,8f,p,4f#";
- //char *song = "MahnaMahna:d=16,o=6,b=125:c#,c.,b5,8a#.5,8f.,4g#,a#,g.,4d#,8p,c#,c.,b5,8a#.5,8f.,g#.,8a#.,4g,8p,c#,c.,b5,8a#.5,8f.,4g#,f,g.,8d#.,f,g.,8d#.,f,8g,8d#.,f,8g,d#,8c,a#5,8d#.,8d#.,4d#,8d#.";
- //char *song = "LeisureSuit:d=16,o=6,b=56:f.5,f#.5,g.5,g#5,32a#5,f5,g#.5,a#.5,32f5,g#5,32a#5,g#5,8c#.,a#5,32c#,a5,a#.5,c#.,32a5,a#5,32c#,d#,8e,c#.,f.,f.,f.,f.,f,32e,d#,8d,a#.5,e,32f,e,32f,c#,d#.,c#";
- char *song = "MissionImp:d=16,o=6,b=95:32d,32d#,32d,32d#,32d,32d#,32d,32d#,32d,32d,32d#,32e,32f,32f#,32g,g,8p,g,8p,a#,p,c7,p,g,8p,g,8p,f,p,f#,p,g,8p,g,8p,a#,p,c7,p,g,8p,g,8p,f,p,f#,p,a#,g,2d,32p,a#,g,2c#,32p,a#,g,2c,a#5,8c,2p,32p,a#5,g5,2f#,32p,a#5,g5,2f,32p,a#5,g5,2e,d#,8d";
- void playTone(unsigned int note, unsigned int duration )
- {
- const double freq = 90 * 1e6;
- if ( note == 0)
- {
- ad.setfreq(freq);
- delay(duration);
- return;
- }
- unsigned long currentMillis = millis() + duration;
- while( millis()< currentMillis)
- {
- ad.setfreq(freq + 75e3/2);
- //digitalWrite(12,LOW);
- delayMicroseconds(note);
- ad.setfreq(freq - 75e3/2);
- //digitalWrite(12,HIGH);
- delayMicroseconds(note);
- }
- ad.setfreq(freq );
- }
- void setup(void)
- {
- Serial.begin(9600);
- }
- #define isdigit(n) (n >= '0' && n <= '9')
- void play_rtttl(char *p)
- {
- // Absolutely no error checking in here
- byte default_dur = 4;
- byte default_oct = 6;
- int bpm = 63;
- int num;
- long wholenote;
- long duration;
- byte note;
- byte scale;
- // format: d=N,o=N,b=NNN:
- // find the start (skip name, etc)
- while(*p != ':') p++; // ignore name
- p++; // skip ':'
- // get default duration
- if(*p == 'd')
- {
- p++; p++; // skip "d="
- num = 0;
- while(isdigit(*p))
- {
- num = (num * 10) + (*p++ - '0');
- }
- if(num > 0) default_dur = num;
- p++; // skip comma
- }
- Serial.print("ddur: "); Serial.println(default_dur, 10);
- // get default octave
- if(*p == 'o')
- {
- p++; p++; // skip "o="
- num = *p++ - '0';
- if(num >= 3 && num <=7) default_oct = num;
- p++; // skip comma
- }
- Serial.print("doct: "); Serial.println(default_oct, 10);
- // get BPM
- if(*p == 'b')
- {
- p++; p++; // skip "b="
- num = 0;
- while(isdigit(*p))
- {
- num = (num * 10) + (*p++ - '0');
- }
- bpm = num;
- p++; // skip colon
- }
- Serial.print("bpm: "); Serial.println(bpm, 10);
- // BPM usually expresses the number of quarter notes per minute
- wholenote = (60 * 1000L / bpm) * 4; // this is the time for whole note (in milliseconds)
- Serial.print("wn: "); Serial.println(wholenote, 10);
- // now begin note loop
- while(*p)
- {
- // first, get note duration, if available
- num = 0;
- while(isdigit(*p))
- {
- num = (num * 10) + (*p++ - '0');
- }
- if(num) duration = wholenote / num;
- else duration = wholenote / default_dur; // we will need to check if we are a dotted note after
- // now get the note
- note = 0;
- switch(*p)
- {
- case 'c':
- note = 1;
- break;
- case 'd':
- note = 3;
- break;
- case 'e':
- note = 5;
- break;
- case 'f':
- note = 6;
- break;
- case 'g':
- note = 8;
- break;
- case 'a':
- note = 10;
- break;
- case 'b':
- note = 12;
- break;
- case 'p':
- default:
- note = 0;
- }
- p++;
- // now, get optional '#' sharp
- if(*p == '#')
- {
- note++;
- p++;
- }
- // now, get optional '.' dotted note
- if(*p == '.')
- {
- duration += duration/2;
- p++;
- }
- // now, get scale
- if(isdigit(*p))
- {
- scale = *p - '0';
- p++;
- }
- else
- {
- scale = default_oct;
- }
- scale += OCTAVE_OFFSET;
- if(*p == ',')
- p++; // skip comma for next note (or we may be at the end)
- // now play the note
- if(note)
- {
- Serial.print("Playing: ");
- Serial.print(scale, 10); Serial.print(' ');
- Serial.print(note, 10); Serial.print(" (");
- Serial.print(notes[(scale - 4) * 12 + note], 10);
- Serial.print(") ");
- Serial.println(duration, 10);
- //tone(tonePin, notes[(scale - 4) * 12 + note]);
- playTone(notes[(scale - 4) * 12 + note], duration );
- //delay(duration);
- noTone(tonePin);
- }
- else
- {
- Serial.print("Pausing: ");
- Serial.println(duration, 10);
- //delay(duration);
- playTone(0, duration );
- }
- }
- }
- void loop(void)
- {
- play_rtttl(song);
- Serial.println("Done.");
- while(1);
- }
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