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espressif: i2sout: wait a short time to succesfully write data

This commit is contained in:
Jeff Epler 2023-02-03 13:57:47 -06:00
parent 41dff5d8cc
commit b03eed32fb
1 changed files with 6 additions and 4 deletions
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10
ports/espressif/common-hal/audiobusio/__init__.c
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@ -80,6 +80,8 @@ void i2s_reset(void) {
}
}
#define I2S_WRITE_DELAY pdMS_TO_TICKS(1)
static void i2s_fill_buffer(i2s_t *self) {
if (self->instance < 0 || self->instance >= I2S_NUM_MAX) {
return;
@ -92,7 +94,7 @@ static void i2s_fill_buffer(i2s_t *self) {
size_t bytes_written = 0;
do {
CHECK_ESP_RESULT(i2s_write(self->instance, signed_samples, sizeof(signed_samples), &bytes_written, 0));
CHECK_ESP_RESULT(i2s_write(self->instance, signed_samples, sizeof(signed_samples), &bytes_written, I2S_WRITE_DELAY));
} while (bytes_written != 0);
return;
}
@ -120,9 +122,9 @@ static void i2s_fill_buffer(i2s_t *self) {
size_t bytecount = self->sample_end - self->sample_data;
if (self->samples_signed && self->channel_count == 2) {
if (self->bytes_per_sample == 2) {
CHECK_ESP_RESULT(i2s_write(self->instance, self->sample_data, bytecount, &bytes_written, 0));
CHECK_ESP_RESULT(i2s_write(self->instance, self->sample_data, bytecount, &bytes_written, I2S_WRITE_DELAY));
} else {
CHECK_ESP_RESULT(i2s_write_expand(self->instance, self->sample_data, bytecount, 8, 16, &bytes_written, 0));
CHECK_ESP_RESULT(i2s_write_expand(self->instance, self->sample_data, bytecount, 8, 16, &bytes_written, I2S_WRITE_DELAY));
}
} else {
const size_t bytes_per_output_frame = 4;
@ -151,7 +153,7 @@ static void i2s_fill_buffer(i2s_t *self) {
}
}
size_t expanded_bytes_written = 0;
CHECK_ESP_RESULT(i2s_write(self->instance, signed_samples, bytes_per_output_frame * framecount, &expanded_bytes_written, 0));
CHECK_ESP_RESULT(i2s_write(self->instance, signed_samples, bytes_per_output_frame * framecount, &expanded_bytes_written, I2S_WRITE_DELAY));
assert(expanded_bytes_written % 4 == 0);
bytes_written = expanded_bytes_written / bytes_per_output_frame * bytes_per_input_frame;
}