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Refactor inuint_byref to testct_byref to support using status reporting. Works as before.

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This commit is contained in:
Russell
2011-11-02 17:28:09 +00:00
parent 03957a411c
commit 2aef37576c
3 changed files with 91 additions and 69 deletions
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17
module_usb_aud_shared/usb_buffer/testct_byref.h
View File

@@ -1,2 +1,17 @@
//#pragma select handler
#include <xs1.h>
/* TODO Currently complier does not support inline select functions, hense this is in a seperate file to ensure this is not the case */
#pragma select handler #pragma select handler
void testct_byref(chanend c, unsigned &isCt) ; inline void testct_byref(chanend c, unsigned &isCt)
{
if (testct(c))
{
isCt = 1;
}
else
{
isCt = 0;
}
}
//void testct_byref(chanend c, unsigned &isCt) ;

2
module_usb_aud_shared/usb_buffer/testct_byref.xc
View File

@@ -2,7 +2,7 @@
/* TODO Currently complier does not support inline select functions, hense this is in a seperate file to ensure this is not the case */ /* TODO Currently complier does not support inline select functions, hense this is in a seperate file to ensure this is not the case */
#pragma select handler #pragma select handler
void testct_byref(chanend c, unsigned &isCt) void testct_byrefnot(chanend c, unsigned &isCt)
{ {
if (testct(c)) if (testct(c))
{ {

33
module_usb_aud_shared/usb_buffer/usb_buffer.xc
View File

@@ -15,7 +15,7 @@
#include "xc_ptr.h" #include "xc_ptr.h"
#include "clockcmds.h" #include "clockcmds.h"
#include "xud.h" #include "xud.h"
#include "testct_byref.h"
//typedef unsigned int XUD_ep; //typedef unsigned int XUD_ep;
@@ -539,14 +539,17 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
#endif #endif
#ifdef IAP #ifdef IAP
case inuint_byref(c_iap_from_host, tmp): case testct_byref(c_iap_from_host, tmp):
asm("#iap h->d"); asm("#iap h->d");
if (tmp) {
// Is a control token so reset
} else {
// Not a control token so is data
/* Get buffer data from host - IAP OUT from host always into a single buffer */ /* Get buffer data from host - IAP OUT from host always into a single buffer */
{
xc_ptr p = iap_from_host_buffer + 4; xc_ptr p = iap_from_host_buffer + 4;
xc_ptr p0 = p; xc_ptr p0 = p;
int tail; int tail;
inuint(c_iap_from_host); // And discard
while (!testct(c_iap_from_host)) while (!testct(c_iap_from_host))
{ {
unsigned int datum = inuint(c_iap_from_host); unsigned int datum = inuint(c_iap_from_host);
@@ -580,7 +583,6 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
// printintln(datalength); // printintln(datalength);
break; break;
} }
}
XUD_SetNotReady(ep_iap_from_host); XUD_SetNotReady(ep_iap_from_host);
@@ -588,13 +590,16 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
/* release the buffer */ /* release the buffer */
SET_SHARED_GLOBAL(g_iap_from_host_flag, 1); SET_SHARED_GLOBAL(g_iap_from_host_flag, 1);
}
break; break;
/* IAP IN to host */ /* IAP IN to host */
case inuint_byref(c_iap_to_host, tmp): case testct_byref(c_iap_to_host, tmp):
asm("#iap d->h"); asm("#iap d->h");
if (tmp) {
// Is a control token so reset
} else {
inuint(c_iap_to_host); // And discard
// fill in the data // fill in the data
XUD_SetData_Inline(ep_iap_to_host, c_iap_to_host); XUD_SetData_Inline(ep_iap_to_host, c_iap_to_host);
@@ -604,19 +609,22 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
SET_SHARED_GLOBAL(g_iap_to_host_flag, 1); 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);
}
break; break;
/* IAP interrupt IN to host */ /* IAP interrupt IN to host */
case inuint_byref(c_iap_to_host_int, tmp): case testct_byref(c_iap_to_host_int, tmp):
asm("#iap interrupt d->h"); asm("#iap interrupt d->h");
if (tmp) {
// Is a control token so reset
} else {
inuint(c_iap_to_host_int); // And discard
// fill in the data // fill in the data
XUD_SetData_Inline(ep_iap_to_host_int, c_iap_to_host_int); XUD_SetData_Inline(ep_iap_to_host_int, c_iap_to_host_int);
XUD_SetNotReady(ep_iap_to_host_int); XUD_SetNotReady(ep_iap_to_host_int);
// Don't need to handle data here as always ZLP // Don't need to handle data here as always ZLP
}
break; break;
#endif #endif
} }
@@ -624,5 +632,4 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
} }
set_thread_fast_mode_off(); set_thread_fast_mode_off();
} }