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usb_queue: Fix calculation of transferred

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This commit is contained in:
Ben Gamari
2013-07-03 17:48:43 -04:00
parent f3a36d06fd
commit 2ad4cbe087
1 changed files with 2 additions and 1 deletions
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3
firmware/hackrf_usb/usb_queue.c
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@ -159,7 +159,8 @@ void usb_transfer_schedule_ack(
void usb_queue_transfer_complete(usb_endpoint_t* const endpoint)
{
usb_transfer_t* transfer = endpoint_pop_transfer(endpoint);
unsigned int transferred = transfer->maximum_length - transfer->td.total_bytes;
unsigned int total_bytes = (transfer->td.total_bytes & USB_TD_DTD_TOKEN_TOTAL_BYTES_MASK) >> USB_TD_DTD_TOKEN_TOTAL_BYTES_SHIFT;
unsigned int transferred = transfer->maximum_length - total_bytes;
uint8_t status = transfer->td.total_bytes;
if (status & USB_TD_DTD_TOKEN_STATUS_ACTIVE
|| status & USB_TD_DTD_TOKEN_STATUS_HALTED