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Send fixed number of samples when no output stream (not correct for asynch)

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This commit is contained in:
Ed Clarke
2018-10-31 14:45:16 +00:00
parent 90d1a60595
commit c352a08c55
2 changed files with 8 additions and 4 deletions
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6
examples/xua_lite_example/src/audio_hub.xc
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@@ -63,19 +63,21 @@ void AudioHub(server i2s_frame_callback_if i2s,
for (int i = 0; i < n_chans; i++) out_samps[i] = samples_out[i];
break;
//Exchange samples with mics & host
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 <: raw_mics[i];
//tmr :> t1; debug_printf("%d\n", t1 - t0);
//delay_microseconds(15); //Test backpressure tolerance
//Grab mics
current = mic_array_get_next_time_domain_frame(c_ds_output, decimatorCount, buffer, mic_audio_frame, dc);
unsafe {
raw_mics[0] = current->data[0][0];
raw_mics[1] = current->data[1][0];
}
//tmr :> t1; debug_printf("%d\n", t1 - t0);
delay_microseconds(15); //Test backpressure tolerance
break;
}
}

6
examples/xua_lite_example/src/xua_buffer_lite.xc
View File

@@ -292,6 +292,8 @@ void XUA_Buffer_lite(chanend c_ep0_out, chanend c_ep0_in, chanend c_aud_out, cha
case XUD_SetData_Select(c_aud_in, ep_aud_in, result):
timer tmr; int t0, t1; tmr :> t0;
if (output_interface_num == 0) num_samples_to_send_to_host = (DEFAULT_FREQ / SOF_FREQ_HZ) * NUM_USB_CHAN_IN;
fifo_ret_t ret = fifo_block_pop_short_pairs(device_to_host_fifo_ptr, (short *)buffer_aud_in, num_samples_received_from_host);
if (ret != FIFO_SUCCESS) debug_printf("d2h empty\n");
@@ -314,11 +316,11 @@ void XUA_Buffer_lite(chanend c_ep0_out, chanend c_ep0_in, chanend c_aud_out, cha
c_audio_hub :> samples_in[i];
}
fifo_ret_t ret = fifo_block_pop(host_to_device_fifo_ptr, samples_out, NUM_USB_CHAN_OUT);
//if (ret != FIFO_SUCCESS) debug_printf("empty\n");
if (ret != FIFO_SUCCESS && output_interface_num) debug_printf("h2s empty\n");
for (int i = 0; i < NUM_USB_CHAN_OUT; i++) c_audio_hub <: samples_out[i];
tmr :> t1; debug_printf("a%d\n", t1 - t0);
ret = fifo_block_push(device_to_host_fifo_ptr, samples_in, NUM_USB_CHAN_IN);
if (ret != FIFO_SUCCESS && input_interface_num) debug_printf("d2h full\n");
break;
}
}