dengweijie/lib_xua
1
0
Fork 0
forked from PAWPAW-Mirror/lib_xua
Code Pull Requests Activity

WIP + get DAC config running

Browse Source
This commit is contained in:
Ed Clarke
2018-10-26 11:25:39 +01:00
parent 770c11b3f0
commit 161b934b8f
8 changed files with 198 additions and 165 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
examples/xua_lite_example/src/xua_buffer.xc
View File

@@ -2,8 +2,10 @@
#include "xua_commands.h"
#include "xud.h"
#include "testct_byref.h"
#define DEBUG_UNIT XUA_LITE_BUFFER
#define DEBUG_PRINT_ENABLE_XUA_LITE_BUFFER 1
#include "debug_print.h"
#include "xua_conf.h"
#include "xua.h"
//#include "fifo_impl.h" //xua_conf.h must be included before hand so that we have FIFO sizes
//Currently only single frequency supported
@@ -98,6 +100,8 @@ void XUA_Buffer_lite(chanend c_aud_out, chanend c_feedback, chanend c_aud_in, ch
unsigned char buffer_aud_out[OUT_AUDIO_BUFFER_SIZE_BYTES];
unsigned char buffer_aud_in[IN_AUDIO_BUFFER_SIZE_BYTES];
unsigned char buffer_feedback[4];
unsigned in_subslot_size = (AUDIO_CLASS == 1) ? FS_STREAM_FORMAT_INPUT_1_SUBSLOT_BYTES : HS_STREAM_FORMAT_INPUT_1_SUBSLOT_BYTES;
unsigned out_subslot_size = (AUDIO_CLASS == 1) ? FS_STREAM_FORMAT_OUTPUT_1_SUBSLOT_BYTES : HS_STREAM_FORMAT_OUTPUT_1_SUBSLOT_BYTES;
@@ -107,7 +111,9 @@ void XUA_Buffer_lite(chanend c_aud_out, chanend c_feedback, chanend c_aud_in, ch
unsigned tmp;
XUD_ep ep_aud_out = XUD_InitEp(c_aud_out);
XUD_ep ep_feedback = XUD_InitEp(c_feedback);
XUD_ep ep_aud_in = XUD_InitEp(c_aud_in);
unsigned num_samples_received_from_host = 0;
@@ -116,6 +122,7 @@ void XUA_Buffer_lite(chanend c_aud_out, chanend c_feedback, chanend c_aud_in, ch
XUD_SetReady_OutPtr(ep_aud_out, (unsigned)buffer_aud_out);
XUD_SetReady_InPtr(ep_aud_in, (unsigned)buffer_aud_in, num_samples_to_send_to_host);
XUD_SetReady_InPtr(ep_feedback, (unsigned)buffer_feedback, 4);
// printintln(OUT_AUDIO_BUFFER_SIZE_BYTES);
// printintln(MAX_OUT_SAMPLES_PER_SOF_PERIOD);
@@ -245,19 +252,22 @@ void XUA_Buffer_lite(chanend c_aud_out, chanend c_feedback, chanend c_aud_in, ch
outstanding_samples_to_host += num_samples_received_from_host;
int samples[MAX_OUT_SAMPLES_PER_SOF_PERIOD];
unpack_buff_to_samples(buffer_aud_out, num_samples_received_from_host, out_subslot_size, samples);
//Push into fifo for ASRC
//else debug_printf("Push\n");
//Tell ASRC manager what we have just sent
outuint(c_aud_host, num_samples_received_from_host); //We assume this will not block and other side always consumes
num_samples_to_send_to_host = inuint(c_aud_host); //get number of return samples for sending back to host
//outuint(c_aud_host, num_samples_received_from_host); //We assume this will not block and other side always consumes
//num_samples_to_send_to_host = inuint(c_aud_host); //get number of return samples for sending back to host
//Mark EP as ready for next frame from host
XUD_SetReady_OutPtr(ep_aud_out, (unsigned)buffer_aud_out);
break;
//Send feedback
case XUD_SetData_Select(c_feedback, ep_feedback, result):
debug_printf("ep_feedback\n");
XUD_SetReady_InPtr(ep_feedback, (unsigned)buffer_feedback, 4);
break;
//Send samples to host
case XUD_SetData_Select(c_aud_in, ep_aud_in, result):
//debug_printf("sent data\n");