USBGenWrite Macro

Microchip USB Device Library

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USB Device Library Help

USBGenWrite Macro

#define USBGenWrite(ep,data,len) USBTxOnePacket(ep,data,len)

Description

This function sends the specified data out the specified endpoint and returns a handle to the transfer information.

Typical Usage:

Copy Code

//make sure that the last transfer isn't busy by checking the handle
if(!USBHandleBusy(USBGenericInHandle))
{
    //Send the data contained in the INPacket[] array out on
    //  endpoint USBGEN_EP_NUM
    USBGenericInHandle = USBGenWrite(USBGEN_EP_NUM,(BYTE*)&INPacket[0],sizeof(INPacket));
}

Preconditions

None

Parameters

Parameters	Description
ep	the endpoint you want to send the data out of
data	pointer to the data that you wish to send
len	the length of the data that you wish to send

Return Values

Return Values	Description
USB_HANDLE	a handle for the transfer. This information should be kept to track the status of the transfer

Remarks

None

MCHPFSUSB Device Library > Function Drivers > Vendor Class > Public API Members > Functions and Macros > USBGenWrite Macro

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