User manual

USB DrDAQ Programmer's Guide 29

3.5.20

UsbDrDaqSetDO

PICO_STATUS UsbDrDaqSetDO(

short handle,

USB_DRDAQ_GPIO IOChannel,

short value

)

This function is used to configure the general-purpose I/Os as digital outputs.

Arguments:

handle: handle returned from UsbDrDaqOpenUnit or

UsbDrDaqOpenUnitProgress

IOChannel: One of the following:

USB_DRDAQ_GPIO_1 = 1,

USB_DRDAQ_GPIO_2,

USB_DRDAQ_GPIO_3,

USB_DRDAQ_GPIO_4

value: Used to set or clear the digital output. Any non-zero value

will set the output and zero will clear it.

Returns:

PICO_OK

PICO_NOT_FOUND

PICO_NOT_RESPONDING

PICO_INVALID_PARAMETER