C
#define USBHandleBusy(handle) (handle==0?0:handle->STAT.UOWN)
Description
Checks to see if the input handle is busy
Typical Usage
//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 |
|
USB_HANDLE handle |
handle of the transfer that you want to check the status of |
Return Values
|
Return Values |
Description |
|
TRUE |
The specified handle is busy |
|
FALSE |
The specified handle is free and available for a transfer |
Remarks
None