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

Removing some un-used buffer logic

Browse Source
This commit is contained in:
Ross Owen
2013-03-07 16:44:53 +00:00
parent f6d95a5b60
commit 27b05df90d
1 changed files with 5 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
module_usb_audio/usb_buffer/usb_buffer.xc
View File

@@ -183,8 +183,8 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
int iap_expecting_data_length = 0;
xc_ptr iap_from_host_buffer =0;
xc_ptr iap_to_host_buffer = 0;
xc_ptr iap_to_host_waiting_buffer = 0;
//xc_ptr iap_to_host_buffer = 0;
//xc_ptr iap_to_host_waiting_buffer = 0;
#endif
@@ -249,8 +249,8 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
#ifdef IAP
// get the two buffers to use for iap device->host
asm("ldaw %0, dp[g_iap_to_host_buffer_A]":"=r"(iap_to_host_buffer));
asm("ldaw %0, dp[g_iap_to_host_buffer_B]":"=r"(iap_to_host_waiting_buffer));
//asm("ldaw %0, dp[g_iap_to_host_buffer_A]":"=r"(iap_to_host_buffer));
//asm("ldaw %0, dp[g_iap_to_host_buffer_B]":"=r"(iap_to_host_waiting_buffer));
asm("ldaw %0, dp[g_iap_from_host_buffer]":"=r"(iap_from_host_buffer));
@@ -259,7 +259,6 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
asm("stw %0, dp[iap_to_host_usb_ep]"::"r"(ep_iap_to_host));
asm("stw %0, dp[iap_to_host_int_usb_ep]"::"r"(ep_iap_to_host_int));
asm("stw %0, dp[iap_from_host_usb_ep]"::"r"(ep_iap_from_host));
swap(iap_to_host_buffer, iap_to_host_waiting_buffer);
SET_SHARED_GLOBAL(g_iap_from_host_flag, 1);
#endif
@@ -656,7 +655,7 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
// ack the decouple thread to say it has been sent to host
//SET_SHARED_GLOBAL(g_iap_to_host_flag, 1);
swap(iap_to_host_buffer, iap_to_host_waiting_buffer);
//swap(iap_to_host_buffer, iap_to_host_waiting_buffer);
/* The buffer has been sent to the host, so we can ack the iap thread */
//SET_SHARED_GLOBAL(g_iap_to_host_flag, 0);