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//*****************************************************************************
//
// lmdfuwrap.cpp : A thin wrapper over the lmdfu.dll library allowing it to be
// loaded dynamically rather than statically linking to its .lib
// file.
//
// Copyright (c) 2009-2017 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Texas Instruments (TI) is supplying this software for use solely and
// exclusively on TI's microcontroller products. The software is owned by
// TI and/or its suppliers, and is protected under applicable copyright
// laws. You may not combine this software with "viral" open-source
// software in order to form a larger program.
//
// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
// 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. TI SHALL NOT, UNDER ANY
// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
// DAMAGES, FOR ANY REASON WHATSOEVER.
//
// This is part of revision 2.1.4.178 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#include <windows.h>
#include "lmdfu.h"
#include "lmdfuwrap.h"
//*****************************************************************************
//
// DLL module handle.
//
//*****************************************************************************
HINSTANCE hLMUSB = (HINSTANCE)NULL;
//*****************************************************************************
//
// Function pointers for each DLL entry point.
//
//*****************************************************************************
tLMDFUInit pfnLMDFUInit = NULL;
tLMDFUDeviceOpen pfnLMDFUDeviceOpen = NULL;
tLMDFUDeviceClose pfnLMDFUDeviceClose = NULL;
tLMDFUDeviceStringGet pfnLMDFUDeviceStringGet = NULL;
tLMDFUDeviceASCIIStringGet pfnLMDFUDeviceASCIIStringGet = NULL;
tLMDFUParamsGet pfnLMDFUParamsGet = NULL;
tLMDFUIsValidImage pfnLMDFUIsValidImage = NULL;
tLMDFUDownload pfnLMDFUDownload = NULL;
tLMDFUDownloadBin pfnLMDFUDownloadBin = NULL;
tLMDFUErase pfnLMDFUErase = NULL;
tLMDFUBlankCheck pfnLMDFUBlankCheck = NULL;
tLMDFUUpload pfnLMDFUUpload = NULL;
tLMDFUStatusGet pfnLMDFUStatusGet = NULL;
tLMDFUErrorStringGet pfnLMDFUErrorStringGet = NULL;
tLMDFUModeSwitch pfnLMDFUModeSwitch = NULL;
tLMDFUErr __stdcall _LMDFUInit(void)
{
//
// Try to load the USB DLL.
//
hLMUSB = LoadLibrary(TEXT("lmdfu.dll"));
//
// Did we find it?
//
if(hLMUSB)
{
//
// Yes - query all the entry point addresses.
//
pfnLMDFUInit = (tLMDFUInit)GetProcAddress(hLMUSB, "LMDFUInit");
pfnLMDFUDeviceOpen = (tLMDFUDeviceOpen)GetProcAddress(hLMUSB, "LMDFUDeviceOpen");
pfnLMDFUDeviceClose = (tLMDFUDeviceClose)GetProcAddress(hLMUSB, "LMDFUDeviceClose");
pfnLMDFUDeviceStringGet = (tLMDFUDeviceStringGet)GetProcAddress(hLMUSB, "LMDFUDeviceStringGet");
pfnLMDFUDeviceASCIIStringGet = (tLMDFUDeviceASCIIStringGet)GetProcAddress(hLMUSB, "LMDFUDeviceASCIIStringGet");
pfnLMDFUParamsGet = (tLMDFUParamsGet)GetProcAddress(hLMUSB, "LMDFUParamsGet");
pfnLMDFUIsValidImage = (tLMDFUIsValidImage)GetProcAddress(hLMUSB, "LMDFUIsValidImage");
pfnLMDFUDownload = (tLMDFUDownload)GetProcAddress(hLMUSB, "LMDFUDownload");
pfnLMDFUDownloadBin = (tLMDFUDownloadBin)GetProcAddress(hLMUSB, "LMDFUDownloadBin");
pfnLMDFUErase = (tLMDFUErase)GetProcAddress(hLMUSB, "LMDFUErase");
pfnLMDFUBlankCheck = (tLMDFUBlankCheck)GetProcAddress(hLMUSB, "LMDFUBlankCheck");
pfnLMDFUUpload = (tLMDFUUpload)GetProcAddress(hLMUSB, "LMDFUUpload");
pfnLMDFUStatusGet = (tLMDFUStatusGet)GetProcAddress(hLMUSB, "LMDFUStatusGet");
pfnLMDFUErrorStringGet = (tLMDFUErrorStringGet)GetProcAddress(hLMUSB, "LMDFUErrorStringGet");
pfnLMDFUModeSwitch = (tLMDFUModeSwitch)GetProcAddress(hLMUSB, "LMDFUModeSwitch");
//
// Make sure we actually queried all the expected entry points.
//
if(!pfnLMDFUInit || !pfnLMDFUDeviceOpen || !pfnLMDFUDeviceClose ||
!pfnLMDFUDeviceStringGet || !pfnLMDFUDeviceASCIIStringGet ||
!pfnLMDFUParamsGet || !pfnLMDFUIsValidImage || !pfnLMDFUDownload ||
!pfnLMDFUDownloadBin || !pfnLMDFUErase || !pfnLMDFUBlankCheck ||
!pfnLMDFUUpload || !pfnLMDFUStatusGet || !pfnLMDFUErrorStringGet ||
!pfnLMDFUModeSwitch)
{
//
// We failed to query at least one entry point. Return
// DFU_ERR_INVALID_ADDR to signal to the caller that the driver
// is likely the wrong version.
//
return(DFU_ERR_INVALID_ADDR);
}
else
{
//
// We got all the expected function pointers so call the library
// init function and return it's response.
//
return(pfnLMDFUInit());
}
}
else
{
//
// The DLL could not be found. This tends to suggest that the driver
// is not installed. Return an appropriate error code to the caller
// so that they can provide helpful information to the user.
//
return(DFU_ERR_NOT_FOUND);
}
}
tLMDFUErr __stdcall _LMDFUDeviceOpen(int iDeviceIndex,
tLMDFUDeviceInfo *psDevInfo,
tLMDFUHandle *phHandle)
{
if(pfnLMDFUDeviceOpen)
{
return(pfnLMDFUDeviceOpen(iDeviceIndex, psDevInfo, phHandle));
}
return(DFU_ERR_HANDLE);
}
tLMDFUErr __stdcall _LMDFUDeviceClose(tLMDFUHandle hHandle, bool bReset)
{
if(pfnLMDFUDeviceClose)
{
return(pfnLMDFUDeviceClose(hHandle, bReset));
}
return(DFU_ERR_HANDLE);
}
tLMDFUErr __stdcall _LMDFUDeviceStringGet(tLMDFUHandle hHandle,
unsigned char ucStringIndex,
unsigned short usLanguageID,
char *pcString,
unsigned short *pusStringLen)
{
if(pfnLMDFUDeviceStringGet)
{
return(pfnLMDFUDeviceStringGet(hHandle, ucStringIndex, usLanguageID,
pcString, pusStringLen));
}
return(DFU_ERR_HANDLE);
}
tLMDFUErr __stdcall _LMDFUDeviceASCIIStringGet(tLMDFUHandle hHandle,
unsigned char ucStringIndex,
char *pcString,
unsigned short *pusStringLen)
{
if(pfnLMDFUDeviceASCIIStringGet)
{
return(pfnLMDFUDeviceASCIIStringGet(hHandle, ucStringIndex, pcString,
pusStringLen));
}
return(DFU_ERR_HANDLE);
}
tLMDFUErr __stdcall _LMDFUParamsGet(tLMDFUHandle hHandle,
tLMDFUParams *psParams)
{
if(pfnLMDFUParamsGet)
{
return(pfnLMDFUParamsGet(hHandle, psParams));
}
return(DFU_ERR_HANDLE);
}
tLMDFUErr __stdcall _LMDFUIsValidImage(tLMDFUHandle hHandle,
unsigned char *pcDFUImage,
unsigned long ulImageLen,
bool *pbTivaFormat)
{
if(pfnLMDFUIsValidImage)
{
return(pfnLMDFUIsValidImage(hHandle, pcDFUImage, ulImageLen,
pbTivaFormat));
}
return(DFU_ERR_HANDLE);
}
tLMDFUErr __stdcall _LMDFUDownload(tLMDFUHandle hHandle,
unsigned char *pcDFUImage,
unsigned long ulImageLen, bool bVerify,
bool bIgnoreIDs, HWND hwndNotify)
{
if(pfnLMDFUDownload)
{
return(pfnLMDFUDownload(hHandle, pcDFUImage, ulImageLen, bVerify,
bIgnoreIDs, hwndNotify));
}
return(DFU_ERR_HANDLE);
}
tLMDFUErr __stdcall _LMDFUDownloadBin(tLMDFUHandle hHandle,
unsigned char *pcBinaryImage,
unsigned long ulImageLen,
unsigned long ulStartAddr,
bool bVerify, HWND hwndNotify)
{
if(pfnLMDFUDownloadBin)
{
return(pfnLMDFUDownloadBin(hHandle, pcBinaryImage, ulImageLen,
ulStartAddr, bVerify, hwndNotify));
}
return(DFU_ERR_HANDLE);
}
tLMDFUErr __stdcall _LMDFUErase(tLMDFUHandle hHandle, unsigned long ulStartAddr,
unsigned long ulEraseLen, bool bVerify,
HWND hwndNotify)
{
if(pfnLMDFUErase)
{
return(pfnLMDFUErase(hHandle, ulStartAddr, ulEraseLen, bVerify,
hwndNotify));
}
return(DFU_ERR_HANDLE);
}
tLMDFUErr __stdcall _LMDFUBlankCheck(tLMDFUHandle hHandle,
unsigned long ulStartAddr,
unsigned long ulLen)
{
if(pfnLMDFUBlankCheck)
{
return(pfnLMDFUBlankCheck(hHandle, ulStartAddr, ulLen));
}
return(DFU_ERR_HANDLE);
}
tLMDFUErr __stdcall _LMDFUUpload(tLMDFUHandle hHandle, unsigned char *pcBuffer,
unsigned long ulStartAddr,
unsigned long ulImageLen, bool bRaw,
HWND hwndNotify)
{
if(pfnLMDFUUpload)
{
return(pfnLMDFUUpload(hHandle, pcBuffer, ulStartAddr, ulImageLen,
bRaw, hwndNotify));
}
return(DFU_ERR_HANDLE);
}
tLMDFUErr __stdcall _LMDFUStatusGet(tLMDFUHandle hHandle, tDFUStatus *pStatus)
{
if(pfnLMDFUStatusGet)
{
return(pfnLMDFUStatusGet(hHandle, pStatus));
}
return(DFU_ERR_HANDLE);
}
tLMDFUErr __stdcall _LMDFUModeSwitch(tLMDFUHandle hHandle)
{
if(pfnLMDFUStatusGet)
{
return(pfnLMDFUModeSwitch(hHandle));
}
return(DFU_ERR_HANDLE);
}
char * __stdcall _LMDFUErrorStringGet(tLMDFUErr eError)
{
if(pfnLMDFUErrorStringGet)
{
return(pfnLMDFUErrorStringGet(eError));
}
return("Driver not installed");
}
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