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Changed over manual loops waiting for endpoints to be ready to use the library Endpoint_WaitUntilReady() function for robustness. Fixes issues with terminated transfers on the host locking up USB devices.

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This commit is contained in:
Dean Camera 2009-08-05 09:37:45 +00:00
parent 4b35dd1670
commit a9d5e129b7
9 changed files with 31 additions and 91 deletions
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12
Demos/Device/LowLevel/DualCDC/DualCDC.c
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@ -274,11 +274,7 @@ void CDC1_Task(void)
Endpoint_ClearIN();
/* Wait until the endpoint is ready for another packet */
while (!(Endpoint_IsINReady()))
{
if (USB_DeviceState == DEVICE_STATE_Unattached)
return;
}
Endpoint_WaitUntilReady();
/* Send an empty packet to ensure that the host does not buffer data sent to it */
Endpoint_ClearIN();
@ -329,11 +325,7 @@ void CDC2_Task(void)
Endpoint_ClearIN();
/* Wait until the endpoint is ready for the next packet */
while (!(Endpoint_IsINReady()))
{
if (USB_DeviceState == DEVICE_STATE_Unattached)
return;
}
Endpoint_WaitUntilReady();
/* Send an empty packet to prevent host buffering */
Endpoint_ClearIN();