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Enable USB input path (from mics)

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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/app_xua_lite.xc
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@@ -96,24 +96,22 @@ int main()
i2s_frame_master(i_i2s, p_i2s_dac, 1, p_i2s_adc, 1, p_bclk, p_lrclk, p_mclk_in, clk_audio_bclk);
[[distribute]]AudioHub(i_i2s, c_audio, c_ds_output);
pdm_mic(c_ds_output[0], p_pdm_mics);
}
}
on tile[1]:{
// Connect master-clock clock-block to clock-block pin
// Connect master-clock input clock-block to clock-block pin
set_clock_src(clk_usb_mclk, p_mclk_in_usb); // Clock clock-block from mclk pin
set_port_clock(p_for_mclk_count, clk_usb_mclk); // Clock the "count" port from the clock block
start_clock(clk_usb_mclk); // Set the clock off running
//Setup DAC over i2c and then return so we do not use a thread
c_audio :> int _; //Wait for reset asserted from other tile to complete
c_audio :> int _; //Wait for reset to be asserted/deasserted by other tile
par{
i2c_master(i_i2c, 1, p_scl, p_sda, 100);
AudioHwConfigure(DEFAULT_FREQ, i_i2c[0]);
}
c_audio <: 0; //Signal to tile[0] that clock is good
c_audio <: 0; //Signal to tile[0] that mclk is now good
debug_printf("XUD SPEED: %d\n", (AUDIO_CLASS == 1) ? XUD_SPEED_FS : XUD_SPEED_HS); //FS = 1, HS = 2
par{
// Low level USB device layer core
XUD_Main(c_ep_out, 2, c_ep_in, 3,
@@ -121,7 +119,7 @@ int main()
null, null, -1 ,
(AUDIO_CLASS == 1) ? XUD_SPEED_FS : XUD_SPEED_HS, XUD_PWR_BUS);
// Buffering cores - handles audio and control data to/from EP's and gives/gets data to/from the audio I/O core
// Buffering core - handles audio and control data to/from EP's and gives/gets data to/from the audio I/O core
XUA_Buffer_lite(c_ep_out[0], c_ep_in[0], c_ep_out[1], c_ep_in[1], c_ep_in[2], c_sof, p_for_mclk_count, c_audio);
}
}//Tile[1] par