* [ECOS] RE: How to debug synchronisation in the usbs.c in a new usb-driver for the ARM at91sam7s...
@ 2006-03-02 12:55 oli
0 siblings, 0 replies; only message in thread
From: oli @ 2006-03-02 12:55 UTC (permalink / raw)
To: derek.bouius; +Cc: bartv, Andrew Lunn, oliver munz @ s p e a g, ecos-discuss
I tested the following Patch from Bart Veer and it works. Please update the
CVS...
Index: usbs.c
===================================================================
RCS file: /cvs/ecos/ecos/packages/io/usb/slave/current/src/usbs.c,v
retrieving revision 1.5
diff -u -r1.5 usbs.c
--- usbs.c 23 May 2002 23:06:36 -0000 1.5
+++ usbs.c 20 Feb 2006 13:37:06 -0000
@@ -111,9 +111,11 @@
(*endpoint->start_tx_fn)(endpoint);
cyg_drv_mutex_lock(&wait.lock);
+ cyg_drv_dsr_lock();
while (!wait.completed) {
cyg_drv_cond_wait(&wait.signal);
}
+ cyg_drv_dsr_unlock();
cyg_drv_mutex_unlock(&wait.lock);
if (wait.result < 0) {
result = wait.result;
@@ -155,9 +157,11 @@
endpoint->complete_data = (void*) &wait;
(*endpoint->start_rx_fn)(endpoint);
cyg_drv_mutex_lock(&wait.lock);
+ cyg_drv_dsr_lock();
while (!wait.completed) {
cyg_drv_cond_wait(&wait.signal);
}
+ cyg_drv_dsr_unlock();
cyg_drv_mutex_unlock(&wait.lock);
if (wait.result < 0) {
result = wait.result;
Oliver
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2006-03-02 12:55 [ECOS] RE: How to debug synchronisation in the usbs.c in a new usb-driver for the ARM at91sam7s oli
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