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

Decouple now reports out underflow to deliver and doesnt send mute samples itself

Browse Source
This commit is contained in:
Ross Owen
2013-09-18 15:02:27 +01:00
parent cdef644159
commit 8316b87c9f
1 changed files with 5 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
module_usb_audio/usb_buffer/decouple.xc
View File

@@ -113,7 +113,9 @@ void handle_audio_request(chanend c_mix_out)
/* Input word that triggered interrupt and handshake back */
(void) inuint(c_mix_out);
outuint(c_mix_out, 0);
/* Reply with underflow */
outuint(c_mix_out, outUnderflow);
asm("ldw %0, dp[g_curUsbSpeed]" : "=r" (usb_speed) :);
@@ -239,6 +241,7 @@ void handle_audio_request(chanend c_mix_out)
if(outUnderflow)
{
#pragma xta endpoint "out_underflow"
#if 0
/* We're still pre-buffering, send out 0 samps */
for(int i = 0; i < NUM_USB_CHAN_OUT; i++)
{
@@ -252,6 +255,7 @@ void handle_audio_request(chanend c_mix_out)
else
outuint(c_mix_out, sample);
}
#endif
/* Calc how many samples left in buffer */
outSamps = g_aud_from_host_wrptr - g_aud_from_host_rdptr;
@@ -265,7 +269,6 @@ void handle_audio_request(chanend c_mix_out)
{
outUnderflow = 0;
outSamps++;
}
}
else