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clean up

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hathach
2026-03-12 15:56:48 +07:00
parent 2052111bac
commit cd60008e89
1 changed files with 21 additions and 15 deletions
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36
src/class/cdc/cdc_device.c
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@ -341,21 +341,26 @@ uint16_t cdcd_open(uint8_t rhport, const tusb_desc_interface_t* itf_desc, uint16
if (tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN) {
tu_edpt_stream_t *stream_tx = &p_cdc->tx_stream;
tu_edpt_stream_open(stream_tx, rhport, desc_ep, CFG_TUD_CDC_TX_EPSIZE);
#if CFG_TUD_CDC_TX_PERSISTENT
#if CFG_TUD_CDC_TX_PERSISTENT
tu_edpt_stream_write_xfer(stream_tx); // flush pending data
#else
#else
tu_edpt_stream_clear(stream_tx);
#endif
#endif
} else {
tu_edpt_stream_t *stream_rx = &p_cdc->rx_stream;
#if CFG_TUD_CDC_RX_NEED_ZLP
tu_edpt_stream_open(stream_rx, rhport, desc_ep, CFG_TUD_CDC_RX_EPSIZE);
#else
tu_edpt_stream_open(stream_rx, rhport, desc_ep, tu_edpt_packet_size(desc_ep));
#endif
#if !CFG_TUD_CDC_RX_PERSISTENT
#if CFG_TUD_CDC_RX_NEED_ZLP
const uint16_t xfer_len = CFG_TUD_CDC_RX_EPSIZE;
#else
const uint16_t xfer_len = tu_edpt_packet_size(desc_ep);
#endif
tu_edpt_stream_open(stream_rx, rhport, desc_ep, xfer_len);
#if !CFG_TUD_CDC_RX_PERSISTENT
tu_edpt_stream_clear(stream_rx);
#endif
#endif
TU_ASSERT(tu_edpt_stream_read_xfer(stream_rx) > 0, 0); // prepare for incoming data
}
}
@ -420,12 +425,13 @@ bool cdcd_control_xfer_cb(uint8_t rhport, uint8_t stage, const tusb_control_requ
p_cdc->line_state = (uint8_t) request->wValue;
// If enabled: fifo overwriting is disabled if DTR bit is set and vice versa
#if CFG_TUD_CDC_TX_OVERWRITABLE_IF_NOT_CONNECTED
tu_fifo_set_overwritable(&p_cdc->tx_stream.ff, !dtr);
#else
tu_fifo_set_overwritable(&p_cdc->tx_stream.ff, false);
#endif
#if CFG_TUD_CDC_TX_OVERWRITABLE_IF_NOT_CONNECTED
const bool is_overwritable = !dtr;
#else
const bool is_overwritable = false;
#endif
tu_fifo_set_overwritable(&p_cdc->tx_stream.ff, is_overwritable);
TU_LOG_DRV(" Set Control Line State: DTR = %d, RTS = %d\r\n", dtr, rts);
tud_cdc_line_state_cb(itf, dtr, rts); // invoke callback
} else {