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defined. Hardware precautions (i.e. pull-up resistors) must be taken in
order to determine the behavior of controlled components during the
start-up of the computer until the GPIO port has been configured.
With
Set_GPIO_Data
each port pin is an output with the level setting
„High“ = 1 or „Low“ = 0. nData is a 12-bit value, whereas to each bit
one pin is assigned. The setting is only effective for those pins, which
are configured as output.
The function
Get_GPIO_Data
reads the data from the port pins,
which had been selected as input and returns a 12-bit value. The return
value for the pins configured as output, will be the actual setting.