Moxa DA-685-W7E [36/38] The led control sample code

DA-685 / W7E Sample Code for DA-685 Customization

A-4

The LED Control Sample Code

Below we reproduce the LED control code. This is a simple code that users may freely modify this code to suit

their needs.

This software is distributed under the terms of the

MOXA License. See the file COPYING-MOXA for details.

#include "stdafx.h"

#include <windows.h>

#include "..\\Include\\mxdev.h"

#define LED_PORT_NUMBER 8

int _tmain(intargc, _TCHAR* argv[])

{

HANDLE hLedDev;

intport_no;

int data;

intnLED = 0;

intnRet = 0;

int port = 0;

int mode = 0;

int n = 0;

TCHAR sin;

TCHAR smode;

_tprintf(_T("LED Test Program\r\n"));

_tprintf(_T("\t (0) Exit Program\r\n"));

_tprintf(_T("\t (1) Display LED\r\n"));

_tprintf(_T("\t (2) Set LED value\r\n"));

sin = _gettchar();

n = _tstoi(&sin);

{

switch (n)

{

// if char == '1', display the LED output status

case 1:

// Open device

hLedDev = mxgpio_open();

for (inti = 0; i< LED_PORT_NUMBER; i++)

{

// Get digital input

port_no = i;

nLED = mxgpio_get_data( hLedDev, port_no);

_tprintf(_T("LED[%d] = %d\r\n"), port_no, nLED);

}