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| author | Dean Camera <dean@fourwalledcubicle.com> | 2009-08-05 09:37:45 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2009-08-05 09:37:45 +0000 |
| commit | a9d5e129b76449c73a853af450d7d353512cd3a0 (patch) | |
| tree | 8779e0f6d9bd2ab4ea83a88e4a532b8daa8d5154 /Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c | |
| parent | 4b35dd167001233d2f44f918d3656a3f2ad80f2e (diff) | |
| download | lufa-a9d5e129b76449c73a853af450d7d353512cd3a0.tar.gz lufa-a9d5e129b76449c73a853af450d7d353512cd3a0.tar.bz2 lufa-a9d5e129b76449c73a853af450d7d353512cd3a0.zip | |
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.
Diffstat (limited to 'Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c')
| -rw-r--r-- | Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c b/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c index bb1b4da2d..736c0af10 100644 --- a/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c +++ b/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c @@ -263,11 +263,7 @@ void CDC_Task(void) if ((Tx_Buffer.Elements) && LineEncoding.BaudRateBPS)
{
/* Wait until Serial Tx Endpoint Ready for Read/Write */
- while (!(Endpoint_IsReadWriteAllowed()))
- {
- if (USB_DeviceState == DEVICE_STATE_Unattached)
- return;
- }
+ Endpoint_WaitUntilReady();
/* Write the bytes from the buffer to the endpoint while space is available */
while (Tx_Buffer.Elements && Endpoint_IsReadWriteAllowed())
@@ -287,11 +283,7 @@ void CDC_Task(void) if (IsFull && !(Tx_Buffer.Elements))
{
/* Wait until Serial Tx Endpoint Ready for Read/Write */
- while (!(Endpoint_IsReadWriteAllowed()))
- {
- if (USB_DeviceState == DEVICE_STATE_Unattached)
- return;
- }
+ Endpoint_WaitUntilReady();
/* Send an empty packet to terminate the transfer */
Endpoint_ClearIN();
|