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Use select for EP0 handling + split ep0 into init and loop

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This commit is contained in:
Ed Clarke
2018-10-28 08:29:39 +00:00
parent 78f9e890d6
commit 35b43c0762
4 changed files with 581 additions and 507 deletions
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5
examples/xua_lite_example/src/app_xua_lite.xc
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@@ -53,6 +53,8 @@ void XUA_Buffer_lite(chanend c_aud_out, chanend c_feedback, chanend c_aud_in, ch
[[distributable]]
void AudioHub(server i2s_frame_callback_if i2s, chanend c_aud, client i2c_master_if ?i2c, client output_gpio_if dac_reset);
void AudioHwConfigure(unsigned samFreq, client i2c_master_if i_i2c);
void XUA_Endpoint0_select(chanend c_ep0_out, chanend c_ep0_in, chanend c_audioControl,
chanend ?c_mix_ctl, chanend ?c_clk_ctl, chanend ?c_EANativeTransport_ctrl, CLIENT_INTERFACE(i_dfu, ?dfuInterface) VENDOR_REQUESTS_PARAMS_DEC_);
int main()
{
@@ -103,7 +105,8 @@ int main()
// Endpoint 0 core from lib_xua
// Note, since we are not using many features we pass in null for quite a few params..
XUA_Endpoint0(c_ep_out[0], c_ep_in[0], c_aud_ctl, null, null, null, null);
// XUA_Endpoint0(c_ep_out[0], c_ep_in[0], c_aud_ctl, null, null, null, null);
XUA_Endpoint0_select(c_ep_out[0], c_ep_in[0], c_aud_ctl, null, null, null, null);
// Buffering cores - handles audio data to/from EP's and gives/gets data to/from the audio I/O core
XUA_Buffer_lite(c_ep_out[1], c_ep_in[1], c_ep_in[2], c_sof, c_aud_ctl, p_for_mclk_count, c_audio);

2
examples/xua_lite_example/src/xua_buffer.xc
View File

@@ -301,7 +301,7 @@ void XUA_Buffer_lite(chanend c_aud_out, chanend c_feedback, chanend c_aud_in, ch
// for (int i = 0; i < NUM_USB_CHAN_OUT; i++) c_audio_hub <: samples_out[1];
int out_samps[NUM_USB_CHAN_OUT];
fifo_ret_t ret = fifo_block_pop(host_to_device_fifo_ptr, out_samps, NUM_USB_CHAN_OUT);
if (ret != FIFO_SUCCESS) debug_printf("empty\n");
//if (ret != FIFO_SUCCESS) debug_printf("empty\n");
for (int i = 0; i < NUM_USB_CHAN_OUT; i++) c_audio_hub <: out_samps[i];
break;
}