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notes working in a new way

arm-dac-work
Jack Humbert 4 years ago
parent
e83e316555
commit
6241f3f3b7
1 changed files with 53 additions and 368 deletions
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  1. +53
    -368
      quantum/audio/audio_arm.c

+ 53
- 368
quantum/audio/audio_arm.c View File

@ -77,165 +77,75 @@ bool glissando = true;
#endif
float startup_song[][2] = STARTUP_SONG;
static void gpt_cb8(GPTDriver *gptp);
#define DAC_BUFFER_SIZE 100
#ifndef DAC_SAMPLE_MAX
#define DAC_SAMPLE_MAX 65535U
#endif
#define START_CHANNEL_1() gptStart(&GPTD6, &gpt6cfg1); \
gptStartContinuous(&GPTD6, 2U)
#define START_CHANNEL_2() gptStart(&GPTD7, &gpt7cfg1); \
gptStartContinuous(&GPTD7, 2U)
#define STOP_CHANNEL_1() gptStopTimer(&GPTD6)
#define STOP_CHANNEL_2() gptStopTimer(&GPTD7)
#define RESTART_CHANNEL_1() STOP_CHANNEL_1(); \
START_CHANNEL_1()
#define RESTART_CHANNEL_2() STOP_CHANNEL_2(); \
START_CHANNEL_2()
#define UPDATE_CHANNEL_1_FREQ(freq) gpt6cfg1.frequency = freq * DAC_BUFFER_SIZE; \
RESTART_CHANNEL_1()
#define UPDATE_CHANNEL_2_FREQ(freq) gpt7cfg1.frequency = freq * DAC_BUFFER_SIZE; \
RESTART_CHANNEL_2()
#define GET_CHANNEL_1_FREQ (uint16_t)(gpt6cfg1.frequency * DAC_BUFFER_SIZE)
#define GET_CHANNEL_2_FREQ (uint16_t)(gpt7cfg1.frequency * DAC_BUFFER_SIZE)
/*
* GPT6 configuration.
*/
// static const GPTConfig gpt6cfg1 = {
// .frequency = 1000000U,
// .callback = NULL,
// .cr2 = TIM_CR2_MMS_1, /* MMS = 010 = TRGO on Update Event. */
// .dier = 0U
// };
GPTConfig gpt6cfg1 = {
.frequency = 440U*DAC_BUFFER_SIZE,
.callback = NULL,
.cr2 = TIM_CR2_MMS_1, /* MMS = 010 = TRGO on Update Event. */
.dier = 0U
};
GPTConfig gpt7cfg1 = {
.frequency = 440U*DAC_BUFFER_SIZE,
.frequency = 44100U,
.callback = NULL,
.cr2 = TIM_CR2_MMS_1, /* MMS = 010 = TRGO on Update Event. */
.dier = 0U
};
GPTConfig gpt8cfg1 = {
.frequency = 10,
.callback = gpt_cb8,
.cr2 = TIM_CR2_MMS_1, /* MMS = 010 = TRGO on Update Event. */
.dier = 0U
};
/*
* DAC test buffer (sine wave).
*/
// static const dacsample_t dac_buffer[DAC_BUFFER_SIZE] = {
// 2047, 2082, 2118, 2154, 2189, 2225, 2260, 2296, 2331, 2367, 2402, 2437,
// 2472, 2507, 2542, 2576, 2611, 2645, 2679, 2713, 2747, 2780, 2813, 2846,
// 2879, 2912, 2944, 2976, 3008, 3039, 3070, 3101, 3131, 3161, 3191, 3221,
// 3250, 3278, 3307, 3335, 3362, 3389, 3416, 3443, 3468, 3494, 3519, 3544,
// 3568, 3591, 3615, 3637, 3660, 3681, 3703, 3723, 3744, 3763, 3782, 3801,
// 3819, 3837, 3854, 3870, 3886, 3902, 3917, 3931, 3944, 3958, 3970, 3982,
// 3993, 4004, 4014, 4024, 4033, 4041, 4049, 4056, 4062, 4068, 4074, 4078,
// 4082, 4086, 4089, 4091, 4092, 4093, 4094, 4093, 4092, 4091, 4089, 4086,
// 4082, 4078, 4074, 4068, 4062, 4056, 4049, 4041, 4033, 4024, 4014, 4004,
// 3993, 3982, 3970, 3958, 3944, 3931, 3917, 3902, 3886, 3870, 3854, 3837,
// 3819, 3801, 3782, 3763, 3744, 3723, 3703, 3681, 3660, 3637, 3615, 3591,
// 3568, 3544, 3519, 3494, 3468, 3443, 3416, 3389, 3362, 3335, 3307, 3278,
// 3250, 3221, 3191, 3161, 3131, 3101, 3070, 3039, 3008, 2976, 2944, 2912,
// 2879, 2846, 2813, 2780, 2747, 2713, 2679, 2645, 2611, 2576, 2542, 2507,
// 2472, 2437, 2402, 2367, 2331, 2296, 2260, 2225, 2189, 2154, 2118, 2082,
// 2047, 2012, 1976, 1940, 1905, 1869, 1834, 1798, 1763, 1727, 1692, 1657,
// 1622, 1587, 1552, 1518, 1483, 1449, 1415, 1381, 1347, 1314, 1281, 1248,
// 1215, 1182, 1150, 1118, 1086, 1055, 1024, 993, 963, 933, 903, 873,
// 844, 816, 787, 759, 732, 705, 678, 651, 626, 600, 575, 550,
// 526, 503, 479, 457, 434, 413, 391, 371, 350, 331, 312, 293,
// 275, 257, 240, 224, 208, 192, 177, 163, 150, 136, 124, 112,
// 101, 90, 80, 70, 61, 53, 45, 38, 32, 26, 20, 16,
// 12, 8, 5, 3, 2, 1, 0, 1, 2, 3, 5, 8,
// 12, 16, 20, 26, 32, 38, 45, 53, 61, 70, 80, 90,
// 101, 112, 124, 136, 150, 163, 177, 192, 208, 224, 240, 257,
// 275, 293, 312, 331, 350, 371, 391, 413, 434, 457, 479, 503,
// 526, 550, 575, 600, 626, 651, 678, 705, 732, 759, 787, 816,
// 844, 873, 903, 933, 963, 993, 1024, 1055, 1086, 1118, 1150, 1182,
// 1215, 1248, 1281, 1314, 1347, 1381, 1415, 1449, 1483, 1518, 1552, 1587,
// 1622, 1657, 1692, 1727, 1763, 1798, 1834, 1869, 1905, 1940, 1976, 2012
// };
// static const dacsample_t dac_buffer_2[DAC_BUFFER_SIZE] = {
// 12, 8, 5, 3, 2, 1, 0, 1, 2, 3, 5, 8,
// 12, 16, 20, 26, 32, 38, 45, 53, 61, 70, 80, 90,
// 101, 112, 124, 136, 150, 163, 177, 192, 208, 224, 240, 257,
// 275, 293, 312, 331, 350, 371, 391, 413, 434, 457, 479, 503,
// 526, 550, 575, 600, 626, 651, 678, 705, 732, 759, 787, 816,
// 844, 873, 903, 933, 963, 993, 1024, 1055, 1086, 1118, 1150, 1182,
// 1215, 1248, 1281, 1314, 1347, 1381, 1415, 1449, 1483, 1518, 1552, 1587,
// 1622, 1657, 1692, 1727, 1763, 1798, 1834, 1869, 1905, 1940, 1976, 2012,
// 2047, 2082, 2118, 2154, 2189, 2225, 2260, 2296, 2331, 2367, 2402, 2437,
// 2472, 2507, 2542, 2576, 2611, 2645, 2679, 2713, 2747, 2780, 2813, 2846,
// 2879, 2912, 2944, 2976, 3008, 3039, 3070, 3101, 3131, 3161, 3191, 3221,
// 3250, 3278, 3307, 3335, 3362, 3389, 3416, 3443, 3468, 3494, 3519, 3544,
// 3568, 3591, 3615, 3637, 3660, 3681, 3703, 3723, 3744, 3763, 3782, 3801,
// 3819, 3837, 3854, 3870, 3886, 3902, 3917, 3931, 3944, 3958, 3970, 3982,
// 3993, 4004, 4014, 4024, 4033, 4041, 4049, 4056, 4062, 4068, 4074, 4078,
// 4082, 4086, 4089, 4091, 4092, 4093, 4094, 4093, 4092, 4091, 4089, 4086,
// 4082, 4078, 4074, 4068, 4062, 4056, 4049, 4041, 4033, 4024, 4014, 4004,
// 3993, 3982, 3970, 3958, 3944, 3931, 3917, 3902, 3886, 3870, 3854, 3837,
// 3819, 3801, 3782, 3763, 3744, 3723, 3703, 3681, 3660, 3637, 3615, 3591,
// 3568, 3544, 3519, 3494, 3468, 3443, 3416, 3389, 3362, 3335, 3307, 3278,
// 3250, 3221, 3191, 3161, 3131, 3101, 3070, 3039, 3008, 2976, 2944, 2912,
// 2879, 2846, 2813, 2780, 2747, 2713, 2679, 2645, 2611, 2576, 2542, 2507,
// 2472, 2437, 2402, 2367, 2331, 2296, 2260, 2225, 2189, 2154, 2118, 2082,
// 2047, 2012, 1976, 1940, 1905, 1869, 1834, 1798, 1763, 1727, 1692, 1657,
// 1622, 1587, 1552, 1518, 1483, 1449, 1415, 1381, 1347, 1314, 1281, 1248,
// 1215, 1182, 1150, 1118, 1086, 1055, 1024, 993, 963, 933, 903, 873,
// 844, 816, 787, 759, 732, 705, 678, 651, 626, 600, 575, 550,
// 526, 503, 479, 457, 434, 413, 391, 371, 350, 331, 312, 293,
// 275, 257, 240, 224, 208, 192, 177, 163, 150, 136, 124, 112,
// 101, 90, 80, 70, 61, 53, 45, 38, 32, 26, 20, 16
// };
// squarewave
static const dacsample_t dac_buffer[DAC_BUFFER_SIZE] = {
// First half is max, second half is 0
[0 ... DAC_BUFFER_SIZE/2-1] = DAC_SAMPLE_MAX,
[DAC_BUFFER_SIZE/2 ... DAC_BUFFER_SIZE -1] = 0,
// [0 ... DAC_BUFFER_SIZE/2-1] = DAC_SAMPLE_MAX,
// [DAC_BUFFER_SIZE/2 ... DAC_BUFFER_SIZE -1] = 0,
// max 65535
// 0x8000,0x8809,0x900a,0x97fc,0x9fd4,0xa78d,0xaf1e,0xb67f,
// 0xbda9,0xc495,0xcb3c,0xd196,0xd79e,0xdd4e,0xe29f,0xe78d,
// 0xec12,0xf02a,0xf3d0,0xf702,0xf9bb,0xfbfa,0xfdbb,0xfefd,
// 0xffbe,0xffff,0xffbe,0xfefd,0xfdbb,0xfbfa,0xf9bb,0xf702,
// 0xf3d0,0xf02a,0xec12,0xe78d,0xe29f,0xdd4e,0xd79e,0xd196,
// 0xcb3c,0xc495,0xbda9,0xb67f,0xaf1e,0xa78d,0x9fd4,0x97fc,
// 0x900a,0x8809,0x8000,0x77f6,0x6ff5,0x6803,0x602b,0x5872,
// 0x50e1,0x4980,0x4256,0x3b6a,0x34c3,0x2e69,0x2861,0x22b1,
// 0x1d60,0x1872,0x13ed,0xfd5,0xc2f,0x8fd,0x644,0x405,
// 0x244,0x102,0x41,0x0,0x41,0x102,0x244,0x405,
// 0x644,0x8fd,0xc2f,0xfd5,0x13ed,0x1872,0x1d60,0x22b1,
// 0x2861,0x2e69,0x34c3,0x3b6a,0x4256,0x4980,0x50e1,0x5872,
// 0x602b,0x6803,0x6ff5,0x77f6
// max 4095
0x800,0x880,0x900,0x97f,0x9fd,0xa78,0xaf1,0xb67,
0xbda,0xc49,0xcb3,0xd19,0xd79,0xdd4,0xe29,0xe78,
0xec0,0xf02,0xf3c,0xf6f,0xf9b,0xfbf,0xfdb,0xfef,
0xffb,0xfff,0xffb,0xfef,0xfdb,0xfbf,0xf9b,0xf6f,
0xf3c,0xf02,0xec0,0xe78,0xe29,0xdd4,0xd79,0xd19,
0xcb3,0xc49,0xbda,0xb67,0xaf1,0xa78,0x9fd,0x97f,
0x900,0x880,0x800,0x77f,0x6ff,0x680,0x602,0x587,
0x50e,0x498,0x425,0x3b6,0x34c,0x2e6,0x286,0x22b,
0x1d6,0x187,0x13f,0xfd,0xc3,0x90,0x64,0x40,
0x24,0x10,0x4,0x0,0x4,0x10,0x24,0x40,
0x64,0x90,0xc3,0xfd,0x13f,0x187,0x1d6,0x22b,
0x286,0x2e6,0x34c,0x3b6,0x425,0x498,0x50e,0x587,
0x602,0x680,0x6ff,0x77f
};
// squarewave
static const dacsample_t dac_buffer_2[DAC_BUFFER_SIZE] = {
// opposite of dac_buffer above
[0 ... DAC_BUFFER_SIZE/2-1] = 0,
[DAC_BUFFER_SIZE/2 ... DAC_BUFFER_SIZE -1] = DAC_SAMPLE_MAX,
};
dacsample_t dac_buffer_lr[1];
int dac_i = 0;
int dac_j = 0;
/*
* DAC streaming callback.
*/
size_t nx = 0, ny = 0, nz = 0;
static void end_cb1(DACDriver *dacp, dacsample_t *buffer, size_t n) {
static void end_cb1(DACDriver * dacp, dacsample_t * samples, size_t pos) {
(void)dacp;
(void)pos;
nz++;
if (dac_buffer == buffer) {
nx += n;
}
else {
ny += n;
}
//for (uint8_t i = 0; i < DAC_BUFFER_SIZE; i++) {
samples[0] = (dac_buffer[dac_i] + dac_buffer[dac_j]) / 2;
//}
dac_i = (dac_i + (uint32_t)round(880.0 / 300)) % DAC_BUFFER_SIZE;
dac_j = (dac_j + (uint32_t)round(2217.46 / 300)) % DAC_BUFFER_SIZE;
if ((nz % 1000) == 0) {
// palTogglePad(GPIOD, GPIOD_LED3);
}
}
/*
@ -261,18 +171,6 @@ static const DACConversionGroup dacgrpcfg1 = {
.trigger = DAC_TRG(0)
};
static const DACConfig dac1cfg2 = {
.init = DAC_SAMPLE_MAX,
.datamode = DAC_DHRM_12BIT_RIGHT
};
static const DACConversionGroup dacgrpcfg2 = {
.num_channels = 1U,
.end_cb = end_cb1,
.error_cb = error_cb1,
.trigger = DAC_TRG(0)
};
void audio_init() {
if (audio_initialized) {
@ -292,26 +190,15 @@ void audio_init() {
#endif
#endif // ARM EEPROM
/*
* Starting DAC1 driver, setting up the output pin as analog as suggested
* by the Reference Manual.
*/
palSetPadMode(GPIOA, 4, PAL_MODE_INPUT_ANALOG);
palSetPadMode(GPIOA, 5, PAL_MODE_INPUT_ANALOG);
dacStart(&DACD1, &dac1cfg1);
dacStart(&DACD2, &dac1cfg2);
palSetPadMode(GPIOA, 4, PAL_MODE_INPUT_ANALOG );
palSetPadMode(GPIOA, 5, PAL_MODE_OUTPUT_PUSHPULL );
palSetPad(GPIOA, 5);
/*
* Starting GPT6/7 driver, it is used for triggering the DAC.
*/
START_CHANNEL_1();
START_CHANNEL_2();
dacStart(&DACD1, &dac1cfg1);
dacStartConversion(&DACD1, &dacgrpcfg1, dac_buffer_lr, 1);
/*
* Starting a continuous conversion.
*/
dacStartConversion(&DACD1, &dacgrpcfg1, (dacsample_t *)dac_buffer, DAC_BUFFER_SIZE);
dacStartConversion(&DACD2, &dacgrpcfg2, (dacsample_t *)dac_buffer_2, DAC_BUFFER_SIZE);
gptStart(&GPTD6, &gpt6cfg1);
gptStartContinuous(&GPTD6, 2U);
audio_initialized = true;
@ -331,8 +218,6 @@ void stop_all_notes() {
}
voices = 0;
gptStopTimer(&GPTD6);
gptStopTimer(&GPTD7);
gptStopTimer(&GPTD8);
playing_notes = false;
@ -376,8 +261,6 @@ void stop_note(float freq) {
voice_place = 0;
}
if (voices == 0) {
STOP_CHANNEL_1();
STOP_CHANNEL_2();
gptStopTimer(&GPTD8);
frequency = 0;
frequency_alt = 0;
@ -406,196 +289,6 @@ float vibrato(float average_freq) {
#endif
static void gpt_cb8(GPTDriver *gptp) {
float freq;
if (playing_note) {
if (voices > 0) {
float freq_alt = 0;
if (voices > 1) {
if (polyphony_rate == 0) {
if (glissando) {
if (frequency_alt != 0 && frequency_alt < frequencies[voices - 2] && frequency_alt < frequencies[voices - 2] * pow(2, -440/frequencies[voices - 2]/12/2)) {
frequency_alt = frequency_alt * pow(2, 440/frequency_alt/12/2);
} else if (frequency_alt != 0 && frequency_alt > frequencies[voices - 2] && frequency_alt > frequencies[voices - 2] * pow(2, 440/frequencies[voices - 2]/12/2)) {
frequency_alt = frequency_alt * pow(2, -440/frequency_alt/12/2);
} else {
frequency_alt = frequencies[voices - 2];
}
} else {
frequency_alt = frequencies[voices - 2];
}
#ifdef VIBRATO_ENABLE
if (vibrato_strength > 0) {
freq_alt = vibrato(frequency_alt);
} else {
freq_alt = frequency_alt;
}
#else
freq_alt = frequency_alt;
#endif
}
if (envelope_index < 65535) {
envelope_index++;
}
freq_alt = voice_envelope(freq_alt);
if (freq_alt < 30.517578125) {
freq_alt = 30.52;
}
if (GET_CHANNEL_2_FREQ != (uint16_t)freq_alt) {
UPDATE_CHANNEL_2_FREQ(freq_alt);
} else {
RESTART_CHANNEL_2();
}
//note_timbre;
}
if (polyphony_rate > 0) {
if (voices > 1) {
voice_place %= voices;
if (place++ > (frequencies[voice_place] / polyphony_rate)) {
voice_place = (voice_place + 1) % voices;
place = 0.0;
}
}
#ifdef VIBRATO_ENABLE
if (vibrato_strength > 0) {
freq = vibrato(frequencies[voice_place]);
} else {
freq = frequencies[voice_place];
}
#else
freq = frequencies[voice_place];
#endif
} else {
if (glissando) {
if (frequency != 0 && frequency < frequencies[voices - 1] && frequency < frequencies[voices - 1] * pow(2, -440/frequencies[voices - 1]/12/2)) {
frequency = frequency * pow(2, 440/frequency/12/2);
} else if (frequency != 0 && frequency > frequencies[voices - 1] && frequency > frequencies[voices - 1] * pow(2, 440/frequencies[voices - 1]/12/2)) {
frequency = frequency * pow(2, -440/frequency/12/2);
} else {
frequency = frequencies[voices - 1];
}
} else {
frequency = frequencies[voices - 1];
}
#ifdef VIBRATO_ENABLE
if (vibrato_strength > 0) {
freq = vibrato(frequency);
} else {
freq = frequency;
}
#else
freq = frequency;
#endif
}
if (envelope_index < 65535) {
envelope_index++;
}
freq = voice_envelope(freq);
if (freq < 30.517578125) {
freq = 30.52;
}
if (GET_CHANNEL_1_FREQ != (uint16_t)freq) {
UPDATE_CHANNEL_1_FREQ(freq);
} else {
RESTART_CHANNEL_1();
}
//note_timbre;
}
}
if (playing_notes) {
if (note_frequency > 0) {
#ifdef VIBRATO_ENABLE
if (vibrato_strength > 0) {
freq = vibrato(note_frequency);
} else {
freq = note_frequency;
}
#else
freq = note_frequency;
#endif
if (envelope_index < 65535) {
envelope_index++;
}
freq = voice_envelope(freq);
if (GET_CHANNEL_1_FREQ != (uint16_t)freq) {
UPDATE_CHANNEL_1_FREQ(freq);
UPDATE_CHANNEL_2_FREQ(freq);
}
//note_timbre;
} else {
// gptStopTimer(&GPTD6);
// gptStopTimer(&GPTD7);
}
note_position++;
bool end_of_note = false;
if (GET_CHANNEL_1_FREQ > 0) {
if (!note_resting)
end_of_note = (note_position >= (note_length*8 - 1));
else
end_of_note = (note_position >= (note_length*8));
} else {
end_of_note = (note_position >= (note_length*8));
}
if (end_of_note) {
current_note++;
if (current_note >= notes_count) {
if (notes_repeat) {
current_note = 0;
} else {
STOP_CHANNEL_1();
STOP_CHANNEL_2();
// gptStopTimer(&GPTD8);
playing_notes = false;
return;
}
}
if (!note_resting) {
note_resting = true;
current_note--;
if ((*notes_pointer)[current_note][0] == (*notes_pointer)[current_note + 1][0]) {
note_frequency = 0;
note_length = 1;
} else {
note_frequency = (*notes_pointer)[current_note][0];
note_length = 1;
}
} else {
note_resting = false;
envelope_index = 0;
note_frequency = (*notes_pointer)[current_note][0];
note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
}
note_position = 0;
}
}
if (!audio_config.enable) {
playing_notes = false;
playing_note = false;
}
}
void play_note(float freq, int vol) {
@ -622,10 +315,6 @@ void play_note(float freq, int vol) {
voices++;
}
gptStart(&GPTD8, &gpt8cfg1);
gptStartContinuous(&GPTD8, 2U);
RESTART_CHANNEL_1();
RESTART_CHANNEL_2();
}
}
@ -656,10 +345,6 @@ void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat) {
note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
note_position = 0;
gptStart(&GPTD8, &gpt8cfg1);
gptStartContinuous(&GPTD8, 2U);
RESTART_CHANNEL_1();
RESTART_CHANNEL_2();
}
}


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