/**
 * @brief  Manage the CDC class requests
 * @param  cmd: Command code
 * @param  pbuf: Buffer containing command data (request parameters)
 * @param  length: Number of data to be sent (in bytes)
 * @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
 */
static int8_t CDC_Control_FS(uint8_t cmd, uint8_t *pbuf, uint16_t length)
{
    /* USER CODE BEGIN 5 */
    // temporary buffer to store line coding
    uint8_t tbuf[7] = {0, 0, 0, 0, 0, 0, 0};
    switch (cmd)
    {
    case CDC_SEND_ENCAPSULATED_COMMAND:

        break;

    case CDC_GET_ENCAPSULATED_RESPONSE:

        break;

    case CDC_SET_COMM_FEATURE:

        break;

    case CDC_GET_COMM_FEATURE:

        break;

    case CDC_CLEAR_COMM_FEATURE:

        break;

        /*******************************************************************************/
        /* Line Coding Structure                                                       */
        /*-----------------------------------------------------------------------------*/
        /* Offset | Field       | Size | Value  | Description                          */
        /* 0      | dwDTERate   |   4  | Number |Data terminal rate, in bits per second*/
        /* 4      | bCharFormat |   1  | Number | Stop bits                            */
        /*                                        0 - 1 Stop bit                       */
        /*                                        1 - 1.5 Stop bits                    */
        /*                                        2 - 2 Stop bits                      */
        /* 5      | bParityType |  1   | Number | Parity                               */
        /*                                        0 - None                             */
        /*                                        1 - Odd                              */
        /*                                        2 - Even                             */
        /*                                        3 - Mark                             */
        /*                                        4 - Space                            */
        /* 6      | bDataBits  |   1   | Number Data bits (5, 6, 7, 8 or 16).          */
        /*******************************************************************************/
    case CDC_SET_LINE_CODING:
        // add these to store the buffer
        tbuf[0] = pbuf[0];
        tbuf[1] = pbuf[1];
        tbuf[2] = pbuf[2];
        tbuf[3] = pbuf[3];
        tbuf[4] = pbuf[4];
        tbuf[5] = pbuf[5];
        tbuf[6] = pbuf[6];
        break;

    case CDC_GET_LINE_CODING:
        // add these to send back what is stored, to cheat on windows API
        pbuf[0] = tbuf[0];
        pbuf[1] = tbuf[1];
        pbuf[2] = tbuf[2];
        pbuf[3] = tbuf[3];
        pbuf[4] = tbuf[4];
        pbuf[5] = tbuf[5];
        pbuf[6] = tbuf[6];
        break;

    case CDC_SET_CONTROL_LINE_STATE:

        break;

    case CDC_SEND_BREAK:

        break;

    default:
        break;
    }

    return (USBD_OK);
    /* USER CODE END 5 */
}