cdc: Fix autoflush for FIFO < MPS
@@ -171,7 +171,7 @@ uint32_t tud_cdc_n_write(uint8_t itf, void const* buffer, uint32_t bufsize)
uint16_t ret = tu_fifo_write_n(&p_cdc->tx_ff, buffer, (uint16_t) bufsize);
// flush if queue more than packet size
- if ( tu_fifo_count(&p_cdc->tx_ff) >= BULK_PACKET_SIZE )
+ if ( (tu_fifo_count(&p_cdc->tx_ff) >= BULK_PACKET_SIZE) || ((CFG_TUD_CDC_TX_BUFSIZE < BULK_PACKET_SIZE) && tu_fifo_full(&p_cdc->tx_ff)) )
{
tud_cdc_n_write_flush(itf);
}
