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Changes to Music.h and keywords.txt

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added support for the miniCFO platform to work with the audio
This commit is contained in:
Jakob Bak 2013-05-15 09:44:07 +02:00
parent 4e8ad1e132
commit 0b60af4044
2 changed files with 44 additions and 15 deletions
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36
software/lib/MMM/Music.h
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@ -338,10 +338,15 @@ ISR(TIMER2_COMPA_vect) { // timer 2 is audio interrupt timer
void inline MMusic::synthInterrupt8bit()
{
PORTD &= ~(1<<3);
// Frame sync low for SPI (making it low here so that we can measure lenght of interrupt with scope)
#ifdef CFO
PORTB &= ~(1<<2);
#else
PORTD &= ~(1<<6);
#endif
accumulator1 = accumulator1 + period1;
index1 = accumulator1 >> 8;
@ -436,8 +441,11 @@ void inline MMusic::synthInterrupt8bit()
while (!(SPSR & (1<<SPIF))); // Maybe this can be optimised
// Frame sync high
#ifdef CFO
PORTB |= (1<<2);
#else
PORTD |= (1<<6);
#endif
}
@ -453,7 +461,11 @@ void inline MMusic::synthInterrupt8bit()
void MMusic::synthInterrupt12bitSine()
{
// Frame sync low for SPI (making it low here so that we can measure lenght of interrupt with scope)
#ifdef CFO
PORTB &= ~(1<<2);
#else
PORTD &= ~(1<<6);
#endif
accumulator1 = accumulator1 + period1;
index1 = accumulator1 >> 4;
@ -544,8 +556,11 @@ void MMusic::synthInterrupt12bitSine()
while (!(SPSR & (1<<SPIF))); // Maybe this can be optimised
// Frame sync high
#ifdef CFO
PORTB |= (1<<2);
#else
PORTD |= (1<<6);
#endif
// Frame sync high
PORTD |= (1<<3);
@ -585,14 +600,22 @@ void MMusic::init()
// sck + mosi + ss
DDRB |= (1 << DDB2) | (1 << DDB3) | (1 << DDB5);
// dac_cs output
#ifdef CFO
DDRB |= (1 << DDB2) | (1 << DDB3);
#else
DDRD |= (1 << DDD6) | (1 << DDB3);
#endif
// set up SPI port
SPCR = 0x50;
SPSR = 0x01;
// DAC frame sync HIGH, so that the SPI port doesn't start wirting straight away
#ifdef CFO
PORTB |= (1<<2);
#else
PORTD |= (1<<6);
#endif
// waveform setup
//setSine();
@ -1089,8 +1112,13 @@ void MMidi::aftertouch(uint8_t channel, uint8_t note, uint8_t pressure) {
void MMidi::controller(uint8_t channel, uint8_t number, uint8_t value) {
//Serial.print(value);
/* Serial.println();
Serial.print(channel);
Serial.print('-');
Serial.print(number);
Serial.print('-');
Serial.println(value);
*/
switch(number) {
case DETUNE:
Music.setDetune(value/5120.0);

3
software/lib/MMM/keywords.txt
View File

@ -20,7 +20,7 @@ Midi KEYWORD1
init KEYWORD2
checkMidi KEYWORD2
enableEnvelope KEYWORD2
diableEnvelope KEYWORD2
disableEnvelope KEYWORD2
setEnvStage KEYWORD2
setDetune KEYWORD2
setDetune1 KEYWORD2
@ -68,3 +68,4 @@ restart KEYWORD2
NUM_OSCILLATORS LITERAL1
BIT_DEPTH LITERAL1
MIDI LITERAL1
MIDI_CHANNEL LITERAL1