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get one channel working

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This commit is contained in:
Jack Humbert 2018-01-27 02:05:09 -05:00
parent 31df12c84f
commit 2165f9d654
1 changed files with 58 additions and 11 deletions
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69
quantum/audio/audio_arm.c
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@ -89,8 +89,8 @@ static void gpt_cb8(GPTDriver *gptp);
#define STOP_CHANNEL_2() gptStopTimer(&GPTD7)
#define RESTART_CHANNEL_1() STOP_CHANNEL_1(); \
START_CHANNEL_1()
#define RESTART_CHANNEL_2() 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; \
@ -202,6 +202,41 @@ static const dacsample_t dac_buffer[DAC_BUFFER_SIZE] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
// squarewave
static const dacsample_t dac_buffer_2[DAC_BUFFER_SIZE] = {
2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047,
2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047,
2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047,
2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047,
2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047,
2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047,
2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047,
2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047,
2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047,
2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047,
2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047,
2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047,
2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047,
2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047,
2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
/*
* DAC streaming callback.
*/
@ -246,6 +281,18 @@ static const DACConversionGroup dacgrpcfg1 = {
.trigger = DAC_TRG(0)
};
static const DACConfig dac1cfg2 = {
.init = 2047U,
.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()
{
@ -267,6 +314,7 @@ void audio_init()
palSetPadMode(GPIOA, 4, PAL_MODE_INPUT_ANALOG);
palSetPadMode(GPIOA, 5, PAL_MODE_INPUT_ANALOG);
dacStart(&DACD1, &dac1cfg1);
dacStart(&DACD2, &dac1cfg2);
/*
* Starting GPT6 driver, it is used for triggering the DAC.
@ -279,6 +327,8 @@ void audio_init()
*/
dacStartConversion(&DACD1, &dacgrpcfg1,
(dacsample_t *)dac_buffer, DAC_BUFFER_SIZE);
dacStartConversion(&DACD2, &dacgrpcfg2,
(dacsample_t *)dac_buffer_2, DAC_BUFFER_SIZE);
// gptStartContinuous(&GPTD6, 2U);
@ -417,12 +467,10 @@ static void gpt_cb8(GPTDriver *gptp) {
freq_alt = 30.52;
}
if (GET_CHANNEL_1_FREQ != (uint16_t)freq_alt) {
UPDATE_CHANNEL_1_FREQ(freq_alt);
if (GET_CHANNEL_2_FREQ != (uint16_t)freq_alt) {
UPDATE_CHANNEL_2_FREQ(freq_alt);
}
//note_timbre;
} else {
STOP_CHANNEL_1();
}
if (polyphony_rate > 0) {
@ -478,12 +526,10 @@ static void gpt_cb8(GPTDriver *gptp) {
}
if (GET_CHANNEL_2_FREQ != (uint16_t)freq) {
UPDATE_CHANNEL_2_FREQ(freq);
if (GET_CHANNEL_1_FREQ != (uint16_t)freq) {
UPDATE_CHANNEL_1_FREQ(freq);
}
//note_timbre;
} else {
// gptStopTimer(&GPTD7);
}
}
@ -592,7 +638,8 @@ void play_note(float freq, int vol) {
gptStart(&GPTD8, &gpt8cfg1);
gptStartContinuous(&GPTD8, 2U);
RESTART_CHANNEL_1();
RESTART_CHANNEL_2();
}
}