mpusbapi.dll und dev cpp unter Windows 7

[FakerFacker (Gast)]

Hi Leute, ich versuche seit Tagen einen App zu schreiben der das 
USB-Device von 
http://www.sprut.de/electronic/pic/8bit/18f/programm/usb2550/usb2550.htm

ansprechen soll. Es soll zunächst sehr primitiv sein(Schwarze C-Box) und 
später eventuell ein GUI bekeommen. Mir ist bewusst, dass ich irgendwie 
auf die mpusbapi.dll zugreifen muss, da diese wohl mit dem 
USB-Controller kommuniziert.Folgender Sourcecode, lässt sich 
Compilieren, die Anwendung lässt sich auch starten, jedoch stürzt die 
Anwendung beim Aufruf einer Funktion aus der DLL-datei ab und 
funktioniert plötzlich nicht mehr...

Der Teufel steckt beim Programmieren ja oft im Detail. Es wäre schön 
wenn du dir mal zeit nehmen könntest um die c-datei und die h-datei 
durch zu sehen. Wenn du helfen kannst machst du einen Menschen 
glücklicher:)


mpusbapi.c

/*********************************************************************
 *
 *                Example 01 - Load-time Linking
 *
 *********************************************************************
 * FileName:        mpusbapi.cpp
 * Dependencies:    None
 * Compiler:        DevC++ 4.9.9.2
 * Company:         Copyright (C) 2011 P_Engineering
 *
 * Software License Agreement
 *
 *
 *
 * THIS SOFTWARE IS PROVIDED IN AN “AS IS” CONDITION. NO WARRANTIES,
 * WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED
 * TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. THE COMPANY SHALL NOT,
 * IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL OR
 * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
 *
 * Author               Date        Comment
 *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 * Pete Glocke       10.08.11
 ********************************************************************/

//---------------------------------------------------------------------- 
-----


#include <stdio.h>
#include "windows.h"
#include <string.h>
#include <setupapi.h>
#include <initguid.h>
#include <winioctl.h>
#include "mpusbapi.h"                  // MPUSBAPI Header File

//---------------------------------------------------------------------- 
-----
//#pragma argsused

// Global Vars
char vid_pid[]= "vid_04d8&pid_000c";    // Default Demo Application 
Firmware
char out_pipe[]= "\\MCHP_EP1";
char in_pipe[]= "\\MCHP_EP1";


DWORD temp;

HANDLE myOutPipe;
HANDLE myInPipe;
HANDLE myRueckgabewert;
HANDLE a=0;

//---------------------------------------------------------------------- 
-----
// Prototypes
void GetSummary(void);

//---------------------------------------------------------------------- 
-----

int main(int argc, char* argv[])
{
    BOOLEAN bQuit;
    DWORD selection;
    bQuit = false;

a=LoadLibrary("mpusbapi.dll");

    // Always a good idea to initialize the handles
    myOutPipe = myInPipe = INVALID_HANDLE_VALUE;

    printf("Microchip Technology Inc., 2004\r\n");
    printf("===============================\r\n");
    while(!bQuit)
    {
        printf("Select an option\r\n");
        printf("[1] Get MPUSBAPI Version\r\n");
        printf("[2] Summarize Instances\r\n");
        printf("[3] -\r\n");
        printf("[4] Quit\r\n>>");
        scanf("%d",&selection);

        switch(selection)
        {
        case 1:
           temp = MPUSBGetDLLVersion();
           printf("MPUSBAPI Version: 
%d.%d\r\n",HIWORD(temp),LOWORD(temp));
           break;
        case 2:
           GetSummary();
           break;
        case 3:
           // Place Holder
           break;
        case 4:
           bQuit = true;
           break;
        default:
           break;
        }// end switch



        fflush(stdin);printf("\r\n");
    }//end while

    // Always check to close all handles before exiting!
    if (myOutPipe != INVALID_HANDLE_VALUE) MPUSBClose(myOutPipe);
    if (myInPipe != INVALID_HANDLE_VALUE) MPUSBClose(myInPipe);
    myOutPipe = myInPipe = INVALID_HANDLE_VALUE;

    return 0;
}//end main

//---------------------------------------------------------------------- 
-----

void GetSummary(void)
{
    HANDLE tempPipe = INVALID_HANDLE_VALUE;
    DWORD count = 0;
    DWORD max_count;

    max_count = MPUSBGetDeviceCount(vid_pid);

    printf("\r\n%d device(s) with %s currently 
attached\r\n",max_count,vid_pid);

    // Note:
    // The total number of devices using the generic driver could be
    // bigger than max_count. They could have different vid & pid 
numbers.
    // This means if max_count is 2, the valid instance index do not
    // necessary have to be '0' and '1'.
    //
    // Below is a sample code for searching for all valid instance 
indexes.
    // MAX_NUM_MPUSB_DEV is defined in _mpusbapi.h

    count = 0;
    for(int i = 0; i < MAX_NUM_MPUSB_DEV; i++)
    {
        tempPipe = MPUSBOpen(i,vid_pid,NULL,MP_READ,0);
        if(tempPipe != INVALID_HANDLE_VALUE)
        {
            printf("Instance Index # %d\r\n",i);
            MPUSBClose(tempPipe);
            count++;
        }
        if(count == max_count) break;
    }//end for
    printf("\r\n");
}//end GetSummary

//---------------------------------------------------------------------- 
-----






und mpusbapi.h

/*********************************************************************
 *
 *                  MPUSBAPI Library Version 1.00
 *
 *********************************************************************
 * FileName:        mpusbapi.h
 * Dependencies:    None
 * Compiler:        C++
 * Company:         Copyright (C) 2004 by Microchip Technology, Inc.
 *
 * Software License Agreement
 *
 * The software supplied herewith by Microchip Technology Incorporated
 * (the “Company”) for its PICmicro® Microcontroller is intended and
 * supplied to you, the Company’s customer, for use solely and
 * exclusively on Microchip PICmicro Microcontroller products. The
 * software is owned by the Company and/or its supplier, and is
 * protected under applicable copyright laws. All rights are reserved.
 * Any use in violation of the foregoing restrictions may subject the
 * user to criminal sanctions under applicable laws, as well as to
 * civil liability for the breach of the terms and conditions of this
 * license.
 *
 * THIS SOFTWARE IS PROVIDED IN AN “AS IS” CONDITION. NO WARRANTIES,
 * WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED
 * TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. THE COMPANY SHALL NOT,
 * IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL OR
 * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
 *
 * Author               Date        Comment
 *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 * Ross Fosler          9/2/04      Implemented MPUSBGetDeviceLink()
 * Rawin Rojvanit       11/19/04    Original version 1.00 completed
 ********************************************************************/

#ifndef MPUSBAPI_H
#define MPUSBAPI_H

#define  MPUSB_FAIL                  0
#define MPUSB_SUCCESS               1

#define MP_WRITE                    0
#define MP_READ                     1

// MAX_NUM_MPUSB_DEV is an abstract limitation.
// It is very unlikely that a computer system will have more
// then 127 USB devices attached to it. (single or multiple USB hosts)
#define MAX_NUM_MPUSB_DEV           127

DWORD (*MPUSBGetDLLVersion)(void);

DWORD (*MPUSBGetDeviceCount)(PCHAR pVID_PID);

HANDLE (*MPUSBOpen)(DWORD instance,         // Input
                 PCHAR pVID_PID,            // Input
                 PCHAR pEP,                 // Input
                 DWORD dwDir,               // Input
                 DWORD dwReserved);         // Input <Future Use>

DWORD (*MPUSBRead)(HANDLE handle,           // Input
                PVOID pData,                // Output
                DWORD dwLen,                // Input
                PDWORD pLength,             // Output
                DWORD dwMilliseconds);      // Input

DWORD (*MPUSBWrite)(HANDLE handle,          // Input
                 PVOID pData,               // Input
                 DWORD dwLen,               // Input
                 PDWORD pLength,            // Output
                 DWORD dwMilliseconds);     // Input

DWORD (*MPUSBReadInt)(HANDLE handle,        // Input
                   PVOID pData,             // Output
                   DWORD dwLen,             // Input
                   PDWORD pLength,          // Output
                   DWORD dwMilliseconds);   // Input

BOOL (*MPUSBClose)(HANDLE handle);

#endif


Danke

[Rufus Τ. F. (rufus)]

*Längeren Sourcecode nicht im Text einfügen, sondern als Dateianhang*

[FakerFacker (Gast)]

Entschuldigung! Soll ich es berichtigen oder löschen und neu Posten?