C++ (Cpp) USB_USART_Available_Data Examples

Example #1

File: usb_hal.cpp Project: glibersat/firmware

/*******************************************************************************
 * Function Name  : USB_USART_Receive_Data.
 * Description    : Return data sent by USB Host.
 * Input          : None
 * Return         : Data.
 *******************************************************************************/
int32_t USB_USART_Receive_Data(uint8_t peek)
{
    if (last<0 && USB_USART_Available_Data() > 0) {
        uint8_t data = 0;
        if (read(0, &data, 1))
            last = data;
    }
    int32_t result = last;
    if (!peek)
        last = -1;      // consume the data
    return result;
}

Example #2

File: spark_wiring_usbserial.cpp Project: rac146/firmware1

int USBSerial::available()
{
	return USB_USART_Available_Data();
}