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Streaming channels to audio

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This commit is contained in:
Ed Clarke
2018-10-30 11:48:17 +00:00
parent 40ea575589
commit 35468c7d77
3 changed files with 30 additions and 15 deletions
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10
examples/xua_lite_example/src/audio_hub.xc
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@@ -9,7 +9,7 @@
[[distributable]]
void AudioHub(server i2s_frame_callback_if i2s,
chanend c_audio_hub,
streaming chanend c_audio_hub,
client i2c_master_if ?i_i2c,
client output_gpio_if dac_reset)
{
@@ -41,9 +41,11 @@ void AudioHub(server i2s_frame_callback_if i2s,
case i2s.restart_check() -> i2s_restart_t restart:
restart = I2S_NO_RESTART; // Keep on looping
for (int i = 0; i < NUM_USB_CHAN_OUT; i++) samples_out[i] = (int)inuint(c_audio_hub);
for (int i = 0; i < NUM_USB_CHAN_IN; i++) outuint(c_audio_hub, (unsigned)samples_in[i]);
//delay_microseconds(5); //Test backpressure tolerance
timer tmr; int t0, t1; tmr :> t0;
for (int i = 0; i < NUM_USB_CHAN_OUT; i++) c_audio_hub :> samples_out[i];
for (int i = 0; i < NUM_USB_CHAN_IN; i++) c_audio_hub <: samples_in[i];
//tmr :> t1; debug_printf("%d\n", t1 - t0);
//delay_microseconds(10); //Test backpressure tolerance
break;
}
}