application/app/usbcdc.h

/******************************************************************************
 * @file     usbcdc.h
 *
 * @brief    for TLSR chips
 *
 * @author   public@telink-semi.com;
 * @date     Sep. 30, 2010
 *
 * @attention
 *
 *  Copyright (C) 2019-2020 Telink Semiconductor (Shanghai) Co., Ltd.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *****************************************************************************/
#pragma once

#include <application/usbstd/CDCClassCommon.h>
#include <application/usbstd/CDCClassDevice.h>
#include "../common/types.h"
#include "../common/static_assert.h"
#include "../common/bit.h"

/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
    extern "C" {
#endif


typedef void ( *cdc_handlerFn_t)( u8* pData);

typedef struct {
    u8 len;
    u8 data[1];
} usbcdc_txBuf_t;


typedef enum usbcdc_sts_e {
    // success = 0
    USB_BUSY = 1,
    USB_MULTIBLOCK,
} usbcdc_sts_t;


void CDC_Device_ProcessControlRequest(u8 bRequest, u16 wValue, u16 wIndex, u16 wLength);

usbcdc_sts_t usbcdc_sendData(u8* buf, u8 len);
u8   usbcdc_sendBulkData(void);

u8   usbcdc_isAvailable(void);
u8*  usbcdc_getData(void);
void usbcdc_init(void);
void usbcdc_setCB(cdc_handlerFn_t rxFunc, cdc_handlerFn_t txCb);
void usbcdc_setRxBuf(u8 *buf);




/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
    }
#endif