diff options
| author | hathach <[email protected]> | 2020-09-09 16:29:45 +0700 |
|---|---|---|
| committer | hathach <[email protected]> | 2020-09-09 16:29:45 +0700 |
| commit | fe1b5dfa235550cc4eb63e237da50689fe407bf4 (patch) | |
| tree | 6d22ba80eced2b8c60ce8738f1e46b785eae9096 | |
| parent | 33f0a18523accfcdebf186f33271dd92f8681b56 (diff) | |
clean up
| -rw-r--r-- | src/class/cdc/cdc_device.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/src/class/cdc/cdc_device.c b/src/class/cdc/cdc_device.c index 317355ed7..8ea44b28d 100644 --- a/src/class/cdc/cdc_device.c +++ b/src/class/cdc/cdc_device.c @@ -164,11 +164,10 @@ uint32_t tud_cdc_n_write_flush (uint8_t itf) uint8_t const rhport = TUD_OPT_RHPORT; - // claim the endpoint first - TU_VERIFY( usbd_edpt_claim(rhport, p_cdc->ep_in), 0 ); + // Claim the endpoint first + TU_VnERIFY( usbd_edpt_claim(rhport, p_cdc->ep_in), 0 ); - // we can be blocked by another write()/write_flush() from other thread. - // causing us to attempt to transfer on an busy endpoint. + // Pull data from FIFO uint16_t const count = tu_fifo_read_n(&p_cdc->tx_ff, p_cdc->epin_buf, sizeof(p_cdc->epin_buf)); if ( count && tud_cdc_n_connected(itf) ) |