MgslGetGpio

Prototype
`ULONG MgslGetGpio( HANDLE hDevice, GPIO_DESC *gpio );`
Parameters
`hDevice`	handle to open port
`gpio`	pointer to GPIO_DESC structure
Return Value
`ERROR_SUCCESS (0)`	parameters set successfully
`ERROR_INVALID_PARAMETER`	invalid option ID or value pointer
`ERROR_INVALID_HANDLE`	hDevice is invalid

Return the current direction configuration and state of all GPIO signals.

GPIO_DESC on Return

smask	all bits set to one
state	state of all signals
dmask	all bits set to one
dir	direction all signal (0=input 1=output)