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More work to app_xua_simple. Builds but missing IO and HW config

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xross
2017-10-12 13:28:16 +01:00
parent 0641a96ae5
commit 28986abc5f
1 changed files with 51 additions and 26 deletions
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77
examples/app_xua_simple/src/app_xua_simple.xc
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@@ -1,7 +1,7 @@
/* A very simple example of a USB audio application (and as such is un-verified)
*
* It uses some tedious blocks from the lib_xua i.e. Endpoint 0, whilst re-implementing simple versions of others i.e. buffering
* It uses the main blocks from the lib_xua
*
*/
@@ -11,57 +11,82 @@
#include "xud_device.h"
#include "xua.h"
/* Ports - note the defines come from the xn file */
void OutBuffer(chanend c_aud_out)
{
while(1)
{
/* I2S ports - Data-line, bit-clock and L/R clock */
buffered out port:32 p_i2s_dac[] = {PORT_I2S_DAC0};
buffered out port:32 p_lrclk = PORT_I2S_LRCLK;
buffered out port:32 p_bclk = PORT_I2S_BCLK;
}
}
void I2S()
{
while(1)
{
}
}
/* Audio master-clock port */
port p_mclk_in = PORT_MCLK_IN;
/* Port for counting master clocks */
in port p_for_mclk_count = PORT_MCLK_COUNT;
/* Clock-blocks for master-clock and bit-clock */
clock clk_audio_bclk = on tile[0]: XS1_CLKBLK_4;
clock clk_audio_mclk = on tile[0]: XS1_CLKBLK_5;
/* Endpoint type tables - informs XUD what the transfer types for each Endpoint in use and also
* if the endpoint wishes to be informed of USB bus resets
*/
XUD_EpType epTypeTableOut[] = {XUD_EPTYPE_CTL | XUD_STATUS_ENABLE};
XUD_EpType epTypeTableIn[] = {XUD_EPTYPE_CTL | XUD_STATUS_ENABLE, XUD_EPTYPE_ISO};
XUD_EpType epTypeTableOut[] = {XUD_EPTYPE_CTL | XUD_STATUS_ENABLE, XUD_EPTYPE_ISO};
XUD_EpType epTypeTableIn[] = {XUD_EPTYPE_CTL | XUD_STATUS_ENABLE, XUD_EPTYPE_ISO};
int main()
{
/* Channels for lib_xud */
chan c_ep_out[2];
chan c_ep_in[1];
chan c_ep_in[2];
/* TODO handle this */
chan c_aud_ctl;
chan c_sof;
/* Channel for audio data between buffering cores and audio IO core */
chan c_aud;
par
{
/* Low level USB device layer core */
on tile[1]: XUD_Main(c_ep_out, 2, c_ep_in, 1,
null, epTypeTableOut, epTypeTableIn,
null, null, -1 , XUD_SPEED_HS, XUD_PWR_BUS);
on tile[1]: XUD_Main(c_ep_out, 2, c_ep_in, 2,
c_sof, epTypeTableOut, epTypeTableIn,
/* TODO rm me! */
null, null, -1 ,
XUD_SPEED_HS, XUD_PWR_BUS);
/* Endpoint 0 core from lib_xua */
/* Note, since we are not using many features we pass in null for quite a few params.. */
on tile[1]: XUA_Endpoint0(c_ep_out[0], c_ep_in[0], c_aud_ctl, null, null, null, null);
/* Our own simple buffering and I2S cores */
on tile[1]: OutBuffer(c_ep_out[1]);
/* Buffering cores - handles audio data to/from EP's and gives/gets data from the audio I/O core */
/* Note, this spawns two cores */
on tile[1]: XUA_Buffer(c_ep_out[1], c_ep_in[1], c_sof, c_aud_ctl, p_for_mclk_count, c_aud);
/* Our own simple I2S driver core */
on tile[1]: I2S();
}
#if 0
/* Audio I/o core i.e. I2S */
on tile[1]: audio(AUDIO_CHANNEL,
#if defined(SPDIF_TX) && (SPDIF_TX_TILE != AUDIO_IO_TILE)
c_spdif_tx,
#endif
#if defined(SPDIF_RX) || defined(ADAT_RX)
c_dig_rx,
#endif
c_aud_cfg, c_adc
#if (XUD_TILE != 0) && (AUDIO_IO_TILE == 0)
, dfuInterface
#endif
#if (NUM_PDM_MICS > 0)
, c_pdm_pcm
#endif
, i_audMan
);
#endif
}
return 0;
}