diff options
Diffstat (limited to 'components')
| -rwxr-xr-x | components/drivers/Kconfig | 3 | ||||
| -rw-r--r-- | components/drivers/usb/usbdevice/class/cdc_vcom.c | 4 |
2 files changed, 7 insertions, 0 deletions
diff --git a/components/drivers/Kconfig b/components/drivers/Kconfig index c567233c84..3995199ac2 100755 --- a/components/drivers/Kconfig +++ b/components/drivers/Kconfig @@ -712,6 +712,9 @@ menu "Using USB" config RT_VCOM_TASK_STK_SIZE int "virtual com thread stack size" default 512 + config RT_CDC_RX_BUFSIZE + int "virtual com rx buffer size" + default 128 config RT_VCOM_TX_USE_DMA bool "Enable to use dma for vcom tx" default n diff --git a/components/drivers/usb/usbdevice/class/cdc_vcom.c b/components/drivers/usb/usbdevice/class/cdc_vcom.c index b6044b37a7..c94a438131 100644 --- a/components/drivers/usb/usbdevice/class/cdc_vcom.c +++ b/components/drivers/usb/usbdevice/class/cdc_vcom.c @@ -28,7 +28,11 @@ #define VCOM_TX_TIMEOUT 1000 #endif /*RT_VCOM_TX_TIMEOUT*/ +#ifdef RT_CDC_RX_BUFSIZE +#define CDC_RX_BUFSIZE RT_CDC_RX_BUFSIZE +#else #define CDC_RX_BUFSIZE 128 +#endif #define CDC_MAX_PACKET_SIZE 64 #define VCOM_DEVICE "vcom" |