S2253_getserialnumber, Gpio functions, S2253_getgpioinput – Sensoray 2253 Windows User Manual
Page 14: S2253_getgpiooutput

Used only if S2253_SetStreamWindow called with non-NULL hwnd. Call this
function whenever the window in question must be repainted. For example,
whenever it receives a WM_PAINT message.
hdc
Device context of the window in question. If NULL, default device context
for the window handle will be used.
devid
device id in the system (use 0 with a single board installed).
strmidx
stream index (0 or 1).
S2253_GetSerialNumber
MID2253_API int __stdcall S2253_RepaintWindow (
unsigned int
*serial_number,
int
devid);
Retrieves the serial number from the 2253. Each 2253 has a unique serial
number.
serial_number
serial number of device.
devid
device id in the system (use 0 with a single board installed).
GPIO Functions
S2253_GetGpioInput
MID2253_API int __stdcall S2253_GetGpioInput (
int
*value,
int
devid);
Retrieves current value of input GPIO.
value
pointer to returned GPIO value (1 if GPIO high, 0 if GPIO low).
devid
device id in the system (use 0 with a single board installed).
S2253_GetGpioOutput
MID2253_API int __stdcall S2253_GetGpioOutput (
int
*value,
int
devid);
Retrieves current value of output GPIO.
value
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