diff options
Diffstat (limited to 'src/class')
| -rw-r--r-- | src/class/cdc/cdc_device.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/src/class/cdc/cdc_device.c b/src/class/cdc/cdc_device.c index da9e94133..513fe203b 100644 --- a/src/class/cdc/cdc_device.c +++ b/src/class/cdc/cdc_device.c @@ -416,12 +416,10 @@ bool cdcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_ // Though maybe the baudrate is not really important !!! if ( ep_addr == p_cdc->ep_in ) { - uint32_t flushed = tud_cdc_n_write_flush(itf); - // invoke transmit callback to possibly refill tx fifo if ( tud_cdc_tx_complete_cb ) tud_cdc_tx_complete_cb(itf); - if ( 0 == flushed && tu_fifo_empty(&p_cdc->tx_ff) ) + if ( 0 == tud_cdc_n_write_flush(itf) ) { // There is no data left, a ZLP should be sent if // xferred_bytes is multiple of EP size and not zero |