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Enable USB input path (from mics)

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This commit is contained in:
Ed Clarke
2018-10-31 14:10:28 +00:00
parent c0d80b665a
commit 239f9b9cb7
4 changed files with 24 additions and 20 deletions
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10
examples/xua_lite_example/src/audio_hub.xc
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@@ -34,7 +34,7 @@ void AudioHub(server i2s_frame_callback_if i2s,
#if XUA_NUM_PDM_MICS > 0
unsigned buffer;
int output[XUA_NUM_PDM_MICS] = {0};
int raw_mics[XUA_NUM_PDM_MICS] = {0};
const unsigned decimatorCount = 1; // Supports up to 4 mics
mic_array_decimator_conf_common_t dcc;
int * unsafe fir_coefs[7];
@@ -68,15 +68,15 @@ void AudioHub(server i2s_frame_callback_if i2s,
case i2s.restart_check() -> i2s_restart_t restart:
restart = I2S_NO_RESTART; // Keep on looping
timer tmr; int t0, t1; tmr :> t0;
// for (int i = 0; i < NUM_USB_CHAN_OUT; i++) c_audio :> samples_out[i];
// for (int i = 0; i < NUM_USB_CHAN_IN; i++) c_audio <: samples_in[i];
for (int i = 0; i < NUM_USB_CHAN_OUT; i++) c_audio :> samples_out[i];
for (int i = 0; i < NUM_USB_CHAN_IN; i++) c_audio <: raw_mics[i];
//tmr :> t1; debug_printf("%d\n", t1 - t0);
//delay_microseconds(15); //Test backpressure tolerance
current = mic_array_get_next_time_domain_frame(c_ds_output, decimatorCount, buffer, mic_audio_frame, dc);
unsafe {
samples_out[0] = current->data[0][0];
samples_out[1] = current->data[1][0];
raw_mics[0] = current->data[0][0];
raw_mics[1] = current->data[1][0];
}
break;
}