USBD_CDC_IF_Exported_FunctionsPrototype

Public functions declaration. More...

Collaboration diagram for USBD_CDC_IF_Exported_FunctionsPrototype:

Functions
uint8_t	CDC_Transmit_FS (uint8_t *Buf, uint16_t Len)
	CDC_Transmit_FS Data to send over USB IN endpoint are sent over CDC interface through this function. More...

Detailed Description

Public functions declaration.

Function Documentation

CDC_Transmit_FS()

uint8_t CDC_Transmit_FS	(	uint8_t *	Buf,
		uint16_t	Len
	)

CDC_Transmit_FS Data to send over USB IN endpoint are sent over CDC interface through this function.

Note

Parameters

Buf	Buffer of data to be sent
Len	Number of data to be sent (in bytes)

Return values

USBD_OK

if all operations are OK else USBD_FAIL or USBD_BUSY

                                                    {
    uint8_t result = USBD_OK;
    /* USER CODE BEGIN 7 */
    USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef *)hUsbDeviceFS.pClassData;
    if (hcdc->TxState != 0) {
        return USBD_BUSY;
    }
    USBD_CDC_SetTxBuffer(&hUsbDeviceFS, Buf, Len);
    result = USBD_CDC_TransmitPacket(&hUsbDeviceFS);
    /* USER CODE END 7 */
    return result;
}