usbd_cdc_loopback_core.h

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/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __GD32F1X0_USBD_CDC_LOOPBACK_CORE_H
#define __GD32F1X0_USBD_CDC_LOOPBACK_CORE_H

/* Includes ------------------------------------------------------------------*/
#include "usbd_desc.h"

#define USB_CDC_CONFIG_DESC_SIZE                (67)
#define USB_CDC_DESC_SIZE                       (58)

#define CDC_DESC_TYPE                           0x21

#define CDC_DATA_IN_PACKET_SIZE                 USB_CDC_DATA_PACKET_SIZE
#define CDC_DATA_OUT_PACKET_SIZE                USB_CDC_DATA_PACKET_SIZE

/* CDC Requests */
#define SEND_ENCAPSULATED_COMMAND               0x00
#define GET_ENCAPSULATED_RESPONSE               0x01
#define SET_COMM_FEATURE                        0x02
#define GET_COMM_FEATURE                        0x03
#define CLEAR_COMM_FEATURE                      0x04
#define SET_LINE_CODING                         0x20
#define GET_LINE_CODING                         0x21
#define SET_CONTROL_LINE_STATE                  0x22
#define SEND_BREAK                              0x23
#define NO_CMD                                  0xFF

/* Virtual ComPort configured parameters */
typedef struct
{
    uint32_t dwDTERate;   /* Data terminal rate */
    uint8_t  bCharFormat; /* Stop bits */
    uint8_t  bParityType; /* Parity */
    uint8_t  bDataBits;   /* Data bits */
}
LINE_CODING;

extern USBD_Class_cb_TypeDef  USBD_CDC_cb;

void USBD_CDC_SendData    (void *pudev, uint32_t DataLen);
void USBD_CDC_ReceiveData (void *pudev);

#endif  /* __GD32F1X0_USBD_CDC_CORE_H */

/************************ (C) COPYRIGHT 2014 GIGADEVICE *****END OF FILE****/