From f04941c95109257aa3ce8426bf4cd239f4d790da Mon Sep 17 00:00:00 2001
From: mazhiyuan <mazhiyuan@rt-thread.com>
Date: Thu, 14 Oct 2021 11:42:05 +0800
Subject: [PATCH] [cdc_vcom.c]adapt to both v1 and v2 of serial

---
 components/drivers/usb/usbdevice/class/cdc_vcom.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/components/drivers/usb/usbdevice/class/cdc_vcom.c b/components/drivers/usb/usbdevice/class/cdc_vcom.c
index a8440bf15..1a24b79f2 100644
--- a/components/drivers/usb/usbdevice/class/cdc_vcom.c
+++ b/components/drivers/usb/usbdevice/class/cdc_vcom.c
@@ -939,9 +939,12 @@ static void rt_usb_vcom_init(struct ufunction *func)
     config.parity       = PARITY_NONE;
     config.bit_order    = BIT_ORDER_LSB;
     config.invert       = NRZ_NORMAL;
+#if defined(RT_USING_SERIAL_V1)
+    config.bufsz        = CDC_RX_BUFSIZE;
+#elif defined(RT_USING_SERIAL_V2)
     config.rx_bufsz     = CDC_RX_BUFSIZE;
     config.tx_bufsz     = CDC_TX_BUFSIZE;
-
+#endif
     data->serial.ops        = &usb_vcom_ops;
     data->serial.serial_rx  = RT_NULL;
     data->serial.config     = config;
-- 
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