📄 madsoft.c
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/*
***********************************************************************
* Program : MAIEXP.C *
* Description : Demo program for multiple channel AI with expansion *
* Revision : 1.00 *
* Date : 9/5/1996 Advantech Co., Ltd. *
***********************************************************************
*
* FUNCTIONS:
*
* InitApplication() - Initializes window data and registers window class
*
* InitInstance() - Saves instance handle and creates main window
*
* MainWndProc() - Process main window messages
*
* ConfigDlgProc() - Process the dialog box messages for configuration
*/
#include <windows.h> /* required for all Windows applications */
#include <stdlib.h>
#include <dos.h>
#include <math.h>
#include <stdio.h>
#include <string.h>
#include "..\..\..\include\driver.h"
#include "..\..\..\include\os.h"
#include "resource.h"
// ------------------------------------------------------------------------
// CONSTANT DEFINITION
// ------------------------------------------------------------------------
#define MAX_DEVICES 100
// ------------------------------------------------------------------------
// GLOBAL VARIABLES
// ------------------------------------------------------------------------
HANDLE hInst; // current instance
HWND hMainWnd; // main window handle
static DEVFEATURES DevFeatures; // structure for device features
static DEVCONFIG_AI DevCfg; // structure for DEVCONFIG_AI table
static PT_MAIConfig ptMAIConfig; // structure for MAIConfig table
static PT_MAIVoltageIn ptMAIVoltageIn; // structure for MAIVoltageIn table
static PT_MAIVoltageInExp ptMAIVoltageInExp; // structure for MAIVoltageInExp table
static PT_DeviceGetFeatures ptDevFeatures; // structure for DeviceGetFeatures
static PT_AIGetConfig ptAIGetConfig; // structure for AIGetConfig table
char szErrMsg[80]; // Use for MESSAGEBOX function
LRESULT ErrCde; // Return error code
//
// used for dynamic allocation memory for the installed devices
//
// static HGLOBAL hDeviceList,hSubDeviceList;
// static LPDEVLIST DeviceList,SubDeviceList;
//
//
// used for fixed memory for the installed devices
//
DEVLIST DeviceList[MAX_DEVICES];
DEVLIST SubDeviceList[MAX_DEVICES];
LONG DriverHandle = (LONG)NULL; // driver handle
BOOL bRun = FALSE; // flag for running
USHORT gwDevice = 0, gwSubDevice = 0; // Device index
SHORT gnNumOfDevices, gnNumOfSubdevices; // number of installed devices
USHORT gwScanTime = 1000; // scan time
DWORD gdwStartTime; // start time
DWORD gdwElapseTime = 0; // elapse time
USHORT gwOverrunCount = 0; // overrun count
FARPROC lpfnConfigDlgProc; // config. dialog procedure
FARPROC lpfnScanDlgProc; // scan dialog procedure
char szBuffer[40];
USHORT usStartChan = 0; // start channel
USHORT usNumChan = 1; // Number of channel
USHORT usCurrentChan = 0; // Current channel number
USHORT usDasChan[32]; // das Channel array
USHORT usGainIndex[32]; // varied input range index
USHORT usGainCode[32]; // varied input range array
USHORT usExpChan[32]; // varied expansion chan
USHORT usExpChanTemp[32]; // varied for PCLD-788 use
USHORT usBoardID [16]; // varied board ID for 788
USHORT usExpFlag = 0; // expansion board flag
USHORT usMaxChannel = 0; // max channel
CHAR szExpName[15]; // expansion name
CHAR szBuf[64]; // temp buffer
// ------------------------------------------------------------------------
// FUNCTION DECLARATION
// ------------------------------------------------------------------------
BOOL InitApplication(HANDLE hInstance);
BOOL InitInstance(HANDLE hInstance, int nCmdShow);
long FTYPE MainWndProc(HWND, UINT, WPARAM, LPARAM);
int FTYPE WinMain(HANDLE hInstance, HANDLE hPrevInstance,
LPSTR lpCmdLine, int nCmdShow);
PRIVATE void AllWindows(HWND hDlg);
PRIVATE void SetChannel(HWND hDlg);
PRIVATE void SetCurrentChan(HWND hDlg, BOOL bflag);
PRIVATE void SetGain(HWND hDlg, BOOL bflag);
PRIVATE void SetExpChan(HWND hDlg, BOOL bflag);
PRIVATE void SetBoardID(HWND hDlg, BOOL bflag);
/***************************************************************************
FUNCTION: WinMain(HANDLE, HANDLE, LPSTR, int)
PURPOSE: calls initialization function, processes message loop
****************************************************************************/
int FTYPE WinMain(hInstance, hPrevInstance, lpCmdLine, nCmdShow)
HANDLE hInstance; /* current instance */
HANDLE hPrevInstance; /* previous instance */
LPSTR lpCmdLine; /* command line */
int nCmdShow; /* show-window type (open/icon) */
{
MSG msg; /* message */
if (!hPrevInstance) /* Other instances of app running? */
if (!InitApplication(hInstance)) /* Initialize shared things */
return (FALSE); /* Exits if unable to initialize */
// Perform initializations that apply to a specific instance
if (!InitInstance(hInstance, nCmdShow))
return (FALSE);
// Acquire and dispatch messages until a WM_QUIT message is received.
while (GetMessage(&msg, /* message structure */
(HWND)NULL, /* handle of window receiving the message */
(UINT)NULL, /* lowest message to examine */
(UINT)NULL)) /* highest message to examine */
{
TranslateMessage(&msg); /* Translates virtual key codes */
DispatchMessage(&msg); /* Dispatches message to window */
}
return (msg.wParam); /* Returns the value from PostQuitMessage */
}
/****************************************************************************
FUNCTION: InitApplication(HANDLE)
PURPOSE: Initializes window data and registers window class
****************************************************************************/
BOOL InitApplication(hInstance)
HANDLE hInstance; /* current instance */
{
WNDCLASS wc;
// Fill in window class structure with parameters that describe the
// main window.
wc.style = CS_HREDRAW | CS_VREDRAW; /* Class style(s). */
wc.lpfnWndProc = (WNDPROC)MainWndProc; /* window process procedure */
wc.cbClsExtra = 0; /* No per-class extra data. */
wc.cbWndExtra = 0; /* No per-window extra data. */
wc.hInstance = hInstance; /* Application that owns the class.*/
wc.hIcon = LoadIcon(hInstance, "IDI_ICON1");
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = GetStockObject(WHITE_BRUSH);
wc.lpszMenuName = "MyMenu"; /* Name of menu resource in .RC file. */
wc.lpszClassName = "MyClass"; /* Name used in call to CreateWindow. */
// Register the window class and return success/failure code.
return (RegisterClass(&wc));
}
/***************************************************************************
FUNCTION: InitInstance(HANDLE, int)
PURPOSE: Saves instance handle and creates main window
****************************************************************************/
BOOL InitInstance
(
HANDLE hInstance, // Current instance identifier.
int nCmdShow // Param for first ShowWindow() call.
)
{
// Save the instance handle in static variable, which will be used in
// many subsequence calls from this application to Windows.
hInst = hInstance;
// Create a main window for this application instance.
hMainWnd = CreateWindow(
"MyClass", /* See RegisterClass() call. */
"Advantech Driver Demo : Software Data Transfer" , /* Window title bar */
WS_OVERLAPPEDWINDOW, /* Window style. */
CW_USEDEFAULT, /* Default horizontal position. */
CW_USEDEFAULT, /* Default vertical position. */
CW_USEDEFAULT, /* Default width. */
CW_USEDEFAULT, /* Default height. */
NULL, /* Overlapped windows have no parent. */
NULL, /* Use the window class menu. */
hInstance, /* This instance owns this window. */
NULL /* Pointer not needed. */
);
// If window could not be created, return "failure"
if (!hMainWnd)
return (FALSE);
// Make the window visible; update its client area; and return "success"
ShowWindow(hMainWnd, nCmdShow); // Show the window
UpdateWindow(hMainWnd); // Sends WM_PAINT message
return (TRUE); // Returns the value from PostQuitMessage
}
/***************************************************************************
FUNCTION: ConfigDlgProc(HWND, unsigned, WPARAM, LPARAM)
PURPOSE: Processes dialog box messages for configuration
****************************************************************************/
BOOL FTYPE ConfigDlgProc
(
HWND hDlg, // window handle
unsigned message, // type of message
WPARAM wParam, // additional information
LPARAM lParam // additional information
)
{
USHORT i;
DWORD dwIndex;
int nOutEntries;
USHORT usStopChan;
usStopChan = usStartChan + usNumChan - 1;
switch (message)
{
case WM_INITDIALOG :
// --------------------------------
// Initialize Device List Combobox
// --------------------------------
// get number of the installed devices
if ((ErrCde = DRV_DeviceGetNumOfList((SHORT far *)&gnNumOfDevices)) !=
SUCCESS)
{
DRV_GetErrorMessage(ErrCde,(LPSTR)szErrMsg);
MessageBox(hMainWnd,(LPCSTR)szErrMsg, "Driver Message", MB_OK);
return TRUE;
}
// ----------------------------------------------------------------
// used for dynamic allocation memory for these installed devices
//
// if ((hDeviceList = GlobalAlloc(GHND, gnNumOfDevices *
// sizeof(DEVLIST))) == NULL)
// {
// MessageBox(hMainWnd, (LPCSTR)"Not Enough Memory",
// "Memory Allocation", MB_OK);
// return TRUE;
// }
// DeviceList = (LPDEVLIST)GlobalLock(hDeviceList);
// ----------------------------------------------------------------
// initialize the number of channel
ultoa(usNumChan, szBuffer, 10);
SendDlgItemMessage(hDlg, IDC_NUMCHAN, EM_REPLACESEL, 0,
(LPARAM)((LPSTR)szBuffer));
if (gnNumOfDevices > MAX_DEVICES)
gnNumOfDevices = MAX_DEVICES;
// retrieve the information of all installed devices
if ((ErrCde = DRV_DeviceGetList((DEVLIST far *)&DeviceList[0],
(SHORT)gnNumOfDevices, (SHORT far *)&nOutEntries)) != (LONG)SUCCESS)
{
DRV_GetErrorMessage(ErrCde,(LPSTR)szErrMsg);
MessageBox(hMainWnd,(LPCSTR)szErrMsg,"Driver Message",MB_OK);
return TRUE;
}
// initialize the Device List Combobox with the retrieved information
for (i = 0; i < (USHORT)gnNumOfDevices; i ++)
SendDlgItemMessage(hDlg, IDC_DEVICE, CB_ADDSTRING, 0,
(LPARAM)((LPSTR)DeviceList[i].szDeviceName));
SendDlgItemMessage(hDlg, IDC_DEVICE, CB_SETCURSEL,(WPARAM)gwDevice,
(LPARAM)0);
// -----------------------------------------------------------
// Initialize Module List Combobox for COM port or CAN devices
// -----------------------------------------------------------
// check if there is any device attached on this COM port or CAN
gnNumOfSubdevices = DeviceList[gwDevice].nNumOfSubdevices;
if (gnNumOfSubdevices > MAX_DEVICES)
gnNumOfSubdevices = MAX_DEVICES;
// --------------------------------------------------------------
// used for dynamic allocation memory for these installed devices
//
// if ((hSubDeviceList = GlobalAlloc(GHND, gnNumOfSubdevices *
// sizeof(DEVLIST))) == NULL)
// {
// MessageBox(hMainWnd, (LPCSTR)"Not Enough Memory",
// "Memory Allocation", MB_OK);
// return TRUE;
// }
//
// SubDeviceList = (LPDEVLIST)GlobalLock(hSubDeviceList);
// --------------------------------------------------------------
// retrieve the information of all installed devices
if (gnNumOfSubdevices != 0)
{
if ((ErrCde = DRV_DeviceGetSubList(
(DWORD)DeviceList[gwDevice].dwDeviceNum,
(DEVLIST far *)&SubDeviceList[0],
(SHORT)gnNumOfSubdevices,
(SHORT far *)&nOutEntries)) != (LONG)SUCCESS)
{
DRV_GetErrorMessage(ErrCde,(LPSTR)szErrMsg);
MessageBox(hMainWnd,(LPCSTR)szErrMsg,"Driver Message",MB_OK);
return TRUE;
}
// initialize the Module List Combobox with the retrieved
// information
EnableWindow(GetDlgItem(hDlg, IDC_MODULE), TRUE);
SendDlgItemMessage(hDlg, IDC_MODULE, CB_RESETCONTENT, 0,
(LPARAM)((LPSTR)0));
for (i = 0; i < (USHORT)gnNumOfSubdevices; i++)
SendDlgItemMessage(hDlg, IDC_MODULE, CB_ADDSTRING, 0,
(LPARAM)((LPSTR)SubDeviceList[i].szDeviceName));
SendDlgItemMessage(hDlg, IDC_MODULE, CB_SETCURSEL,
(WPARAM)gwSubDevice, (LPARAM)0);
}
else
{
EnableWindow(GetDlgItem(hDlg, IDC_MODULE), FALSE);
SendDlgItemMessage(hDlg, IDC_MODULE, CB_RESETCONTENT, 0,
(LPARAM)((LPSTR)0));
}
// ------------------------------------------------------------
// Initialize Input Range List Combobox, it needs to get device
// features for gain list
// ------------------------------------------------------------
// first : Open Device
if (gnNumOfSubdevices == 0)
{
ErrCde = DRV_DeviceOpen(DeviceList[gwDevice].dwDeviceNum,
(LONG far *)&DriverHandle);
}
else
{
ErrCde = DRV_DeviceOpen(
SubDeviceList[gwSubDevice].dwDeviceNum,
(LONG far *)&DriverHandle);
}
if (ErrCde != SUCCESS)
{
strcpy(szErrMsg,"Device open error !");
MessageBox(hMainWnd,(LPCSTR)szErrMsg,"Driver Message",MB_OK);
return 0;
}
// second: get device features
ptDevFeatures.buffer = (LPDEVFEATURES)&DevFeatures;
ptDevFeatures.size = sizeof(DEVFEATURES);
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