diff options
Diffstat (limited to 'firmware/libcommon/source/mode_cardemu.c')
| -rw-r--r-- | firmware/libcommon/source/mode_cardemu.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/firmware/libcommon/source/mode_cardemu.c b/firmware/libcommon/source/mode_cardemu.c index 7de67df..2d9af99 100644 --- a/firmware/libcommon/source/mode_cardemu.c +++ b/firmware/libcommon/source/mode_cardemu.c @@ -186,7 +186,8 @@ static void usart_irq_rx(uint8_t inst_num) if (csr & US_CSR_RXRDY) { byte = (usart->US_RHR) & 0xFF; - rbuf_write(&ci->rb, byte); + if (rbuf_write(&ci->rb, byte) < 0) + TRACE_ERROR("rbuf overrun\r\n"); } if (csr & US_CSR_TXRDY) { |