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cdc: Fix autoflush for FIFO < MPS

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This commit is contained in:
Tomas Rezucha 2022-06-02 13:22:53 +02:00
parent f03c28ec31
commit 603effbb77
1 changed files with 1 additions and 1 deletions
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2
src/class/cdc/cdc_device.c
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@ -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);
}