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Update cdc_vcom.c

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David Lin 2020-03-21 20:54:13 +08:00 committed by GitHub
parent 3679dfa07e
commit 10e0f28754
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1 changed files with 2 additions and 0 deletions
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components/drivers/usb/usbdevice/class/cdc_vcom.c
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@ -493,6 +493,7 @@ static rt_err_t _function_enable(ufunction_t func)
data = (struct vcom*)func->user_data;
data->ep_out->buffer = rt_malloc(CDC_RX_BUFSIZE);
RT_ASSERT(data->ep_out->buffer != RT_NULL);
data->ep_out->request.buffer = data->ep_out->buffer;
data->ep_out->request.size = EP_MAXPACKET(data->ep_out);
@ -593,6 +594,7 @@ ufunction_t rt_usbd_function_cdc_create(udevice_t device)
/* allocate memory for cdc vcom data */
data = (struct vcom*)rt_malloc(sizeof(struct vcom));
RT_ASSERT(data != RT_NULL);
rt_memset(data, 0, sizeof(struct vcom));
func->user_data = (void*)data;