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configuration for the ez

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This commit is contained in:
Jack Humbert 2019-05-28 00:59:09 -04:00
parent 6241f3f3b7
commit 9632b3379f
1 changed files with 32 additions and 34 deletions
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66
quantum/audio/audio_arm.c
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@ -77,13 +77,15 @@ bool glissando = true;
#endif #endif
float startup_song[][2] = STARTUP_SONG; float startup_song[][2] = STARTUP_SONG;
#define DAC_BUFFER_SIZE 100 #define DAC_BUFFER_SIZE 100U
#ifndef DAC_SAMPLE_MAX #ifndef DAC_SAMPLE_MAX
#define DAC_SAMPLE_MAX 65535U #define DAC_SAMPLE_MAX 4095U
#endif #endif
GPTConfig gpt6cfg1 = { #define DAC_SAMPLE_RATE 30000U
.frequency = 44100U,
GPTConfig gpt7cfg1 = {
.frequency = DAC_SAMPLE_RATE,
.callback = NULL, .callback = NULL,
.cr2 = TIM_CR2_MMS_1, /* MMS = 010 = TRGO on Update Event. */ .cr2 = TIM_CR2_MMS_1, /* MMS = 010 = TRGO on Update Event. */
.dier = 0U .dier = 0U
@ -94,22 +96,6 @@ static const dacsample_t dac_buffer[DAC_BUFFER_SIZE] = {
// [0 ... DAC_BUFFER_SIZE/2-1] = DAC_SAMPLE_MAX, // [0 ... DAC_BUFFER_SIZE/2-1] = DAC_SAMPLE_MAX,
// [DAC_BUFFER_SIZE/2 ... DAC_BUFFER_SIZE -1] = 0, // [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 // max 4095
0x800,0x880,0x900,0x97f,0x9fd,0xa78,0xaf1,0xb67, 0x800,0x880,0x900,0x97f,0x9fd,0xa78,0xaf1,0xb67,
0xbda,0xc49,0xcb3,0xd19,0xd79,0xdd4,0xe29,0xe78, 0xbda,0xc49,0xcb3,0xd19,0xd79,0xdd4,0xe29,0xe78,
@ -126,10 +112,9 @@ static const dacsample_t dac_buffer[DAC_BUFFER_SIZE] = {
0x602,0x680,0x6ff,0x77f 0x602,0x680,0x6ff,0x77f
}; };
dacsample_t dac_buffer_lr[1]; dacsample_t dac_buffer_lr[1] = { DAC_SAMPLE_MAX / 2 };
int dac_i = 0; float dac_if[8] = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
int dac_j = 0;
/* /*
* DAC streaming callback. * DAC streaming callback.
@ -138,14 +123,23 @@ static void end_cb1(DACDriver * dacp, dacsample_t * samples, size_t pos) {
(void)dacp; (void)dacp;
(void)pos; (void)pos;
//for (uint8_t i = 0; i < DAC_BUFFER_SIZE; i++) { //for (uint8_t i = 0; i < DAC_BUFFER_SIZE; i++) {
samples[0] = (dac_buffer[dac_i] + dac_buffer[dac_j]) / 2; //samples[0] = (dac_buffer[dac_i] + dac_buffer[dac_j]) / 2;
//} //}
dac_i = (dac_i + (uint32_t)round(880.0 / 300)) % DAC_BUFFER_SIZE; uint16_t sample_sum = 0;
dac_j = (dac_j + (uint32_t)round(2217.46 / 300)) % DAC_BUFFER_SIZE; for (int i = 0; i < voices; i++) {
dac_if[i] = dac_if[i] + ((frequencies[i]*(float)DAC_BUFFER_SIZE)/(float)DAC_SAMPLE_RATE*1.5);
while(dac_if[i] >= DAC_BUFFER_SIZE)
dac_if[i] = dac_if[i] - DAC_BUFFER_SIZE;
sample_sum += dac_buffer[(uint8_t)round(dac_if[i]) % DAC_BUFFER_SIZE] / voices;
}
if (voices > 0) {
samples[0] = sample_sum;
} else {
samples[0] = DAC_SAMPLE_MAX;
}
} }
/* /*
@ -190,15 +184,20 @@ void audio_init() {
#endif #endif
#endif // ARM EEPROM #endif // ARM EEPROM
palSetPadMode(GPIOA, 4, PAL_MODE_INPUT_ANALOG ); palSetPadMode(GPIOA, 5, PAL_MODE_INPUT_ANALOG );
palSetPadMode(GPIOA, 5, PAL_MODE_OUTPUT_PUSHPULL ); // palSetPadMode(GPIOA, 4, PAL_MODE_INPUT_ANALOG );
palSetPad(GPIOA, 5); palSetPadMode(GPIOA, 4, PAL_MODE_OUTPUT_PUSHPULL );
palSetPad(GPIOA, 4);
dacStart(&DACD1, &dac1cfg1); // dacStart(&DACD1, &dac1cfg1);
dacStartConversion(&DACD1, &dacgrpcfg1, dac_buffer_lr, 1); // dacStartConversion(&DACD1, &dacgrpcfg1, dac_buffer_lr, 1);
dacStart(&DACD2, &dac1cfg1);
dacStartConversion(&DACD2, &dacgrpcfg1, dac_buffer_lr, 1);
gptStart(&GPTD6, &gpt6cfg1); gptStart(&GPTD6, &gpt7cfg1);
gptStartContinuous(&GPTD6, 2U); gptStartContinuous(&GPTD6, 2U);
// gptStart(&GPTD7, &gpt7cfg1);
// gptStartContinuous(&GPTD7, 2U);
audio_initialized = true; audio_initialized = true;
@ -261,7 +260,6 @@ void stop_note(float freq) {
voice_place = 0; voice_place = 0;
} }
if (voices == 0) { if (voices == 0) {
gptStopTimer(&GPTD8);
frequency = 0; frequency = 0;
frequency_alt = 0; frequency_alt = 0;
volume = 0; volume = 0;