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Merge pull request #1487 from tore-espressif/fix/cdc_autoflush

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cdc: Fix autoflush for FIFO < MPS
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Ha Thach 2022-12-06 14:19:58 +07:00 committed by GitHub
commit d9817ebe17
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1 changed files with 1 additions and 1 deletions
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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);
}