diff options
Diffstat (limited to 'os/hal')
| -rw-r--r-- | os/hal/ports/STM32/LLD/OTGv1/hal_usb_lld.h | 1 | ||||
| -rw-r--r-- | os/hal/src/hal_serial_usb.c | 17 |
2 files changed, 11 insertions, 7 deletions
diff --git a/os/hal/ports/STM32/LLD/OTGv1/hal_usb_lld.h b/os/hal/ports/STM32/LLD/OTGv1/hal_usb_lld.h index 56ef3792c..7c2019685 100644 --- a/os/hal/ports/STM32/LLD/OTGv1/hal_usb_lld.h +++ b/os/hal/ports/STM32/LLD/OTGv1/hal_usb_lld.h @@ -616,7 +616,6 @@ extern "C" { void usb_lld_stall_in(USBDriver *usbp, usbep_t ep);
void usb_lld_clear_out(USBDriver *usbp, usbep_t ep);
void usb_lld_clear_in(USBDriver *usbp, usbep_t ep);
- void usb_lld_pump(void *p);
#ifdef __cplusplus
}
#endif
diff --git a/os/hal/src/hal_serial_usb.c b/os/hal/src/hal_serial_usb.c index ec1f1c4fe..246360ebc 100644 --- a/os/hal/src/hal_serial_usb.c +++ b/os/hal/src/hal_serial_usb.c @@ -484,20 +484,25 @@ void sduDataTransmitted(USBDriver *usbp, usbep_t ep) { * @param[in] ep OUT endpoint number
*/
void sduDataReceived(USBDriver *usbp, usbep_t ep) {
+ size_t size;
SerialUSBDriver *sdup = usbp->out_params[ep - 1U];
+
if (sdup == NULL) {
return;
}
osalSysLockFromISR();
- /* Signaling that data is available in the input queue.*/
- chnAddFlagsI(sdup, CHN_INPUT_AVAILABLE);
+ /* Checking for zero-size transactions.*/
+ size = usbGetReceiveTransactionSizeX(sdup->config->usbp,
+ sdup->config->bulk_out);
+ if (size > (size_t)0) {
+ /* Signaling that data is available in the input queue.*/
+ chnAddFlagsI(sdup, CHN_INPUT_AVAILABLE);
- /* Posting the filled buffer in the queue.*/
- ibqPostFullBufferI(&sdup->ibqueue,
- usbGetReceiveTransactionSizeX(sdup->config->usbp,
- sdup->config->bulk_out));
+ /* Posting the filled buffer in the queue.*/
+ ibqPostFullBufferI(&sdup->ibqueue, size);
+ }
/* The endpoint cannot be busy, we are in the context of the callback,
so a packet is in the buffer for sure. Trying to get a free buffer
|