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Devpia Mobile Section SYSOP (2006)데브부산 - 데브피아 시삽과 함께한 SW 콘서트 ( 부산 ) 데브피아 - 데브피아 시삽과 함께하는 S/W 콘서트 ( 서울 )
TecAce Research Engineer (August, 2003 ~ Current)Samsung Festival Project (GSM i720) -Development Environment: MS Windows Mobile PPC Phone 6.0-Development Software: Camera Driver Samsung Qingdao Project (GSM i718)-Development Environment: MS Windows Mobile PPC Phone 5.0-Development Software: Camera ApplicationSamsung Demo Project with Texas Instrument OMAP Processor -Development Environment: MS Windows Mobile PPC 5.0 -Development Software: Camera Application and Driver Samsung Kiron Project-Development Environment: MS Windows Mobile PPC Phone 5.0-Development Software: Camera Device Driver and LCD Driver for MS Windows Mobile 5.0Samsung B-Bop Project (GSM i750)-Development Environment: MS Windows Mobile PPC Phone 2003-Development Software: Camera and Camcorder SoftwareSamsung Magellan Project (GSM i270)-Development Environment: MS Windows Mobile Smart Phone 2003-Development Software: Photo Album, File Explorer, Camera Assist, and Bluetooth Software
Working Experiences: (March, 2001 ~ December, 2001)Development of Security System Software for Yeong-gwang power plant in KoreaDevelopment of Security System Software for Yeo-ju prison in KoreaDevelopment of Digital Card System for Pusan Subway
Agenda
Part I. Building Powerful Platforms with Windows CE for Mobile
Part II. Development of Device Driver and Application with Windows CE for Mobile
Part III. Programming Camera With Windows CE for Mobile
Agenda (Part I)
Part I-1. About Windows Mobile
Part I-2. Build Process of Windows Mobile
Part I-3. Booting Sequence of Windows Mobile
Part I-4. Making Pocket PC with Windows Mobile (Demo)
Part I-1. About Windows Mobile
Windows CE : MS 사가 개발한 PDA, CNS(Car Navigation System), 셋탑박스 , 스마트폰 등에 사용되게 만들어진 임베디드용 운영체제
임베디드 기기에 맞게 사용자의 취향에 맞추어 선택적 제작 가능
임베디드 시스템에 주로 사용되기 때문에 제한적인 하드웨어 환경에서 주로 사용됨
Part I-1. About Windows Mobile (Conts.)
Host PC
AKU and Platform Builder
BSP(Board Support
Package)
Windows CE Basic Sources
+
Build and Makeimgon AKU
New Image(NK.BIN)
Downloading the NK.BIN
Part I-2. Build Process of Windows Mobile
I-2.1 Directory Structure and Initialization Files
I-2.2 Building a Project: Builddemo.bat
I-2.3 Generating the Windows CE System: Sysgen.bat
I-2.4 Building OEM Source code: Build.exe
I-2.5 Making the Windows CE Image: Makeimg.exe
I-2.1 Directory Structure and Initialization Files
PLATFORM(BSP)
OTHERS
PUBLIC
RELEASE
DEVELOPR
WM500(AKU)
I-2.1 Directory Structure and Initialization Files (Cont.)
Binary Image Builder Files (BIB Files)
Registry Initialization (REG Files)
RAM Initialization (DAT Files)
Database initialization (DB Files)
I-2.2 Building a Project: Builddemo.bat
Generate the Windows CE system(Sysgen.bat)
Build All Modules in the _TARGETPLATROOT directory
(Build.exe)
Move Log Files for Build Message Into_WINCEROOT
Copy Built Targets Into_FALSTRELEASEDIR
(Buildrel.bat)
Make the Final Windows CE Image(Makeimg.exe)
Found Errors
I-2.3 Generating the Windows CE System: Sysgen.bat (cefilter.exe)
Read Header Files
Look for @CESYSGEN tag
Read <module>_<component>Label after tag
Keep lines up to next @CESYSGEN tag
Discard lines up to next @CESYSGEN tag
Look for substring <components>In environment variable
<module>_COMPONENTS
Found substring Substring not found
Read BIB File
Look for @CESYSGEN tag
Read CE_MODULES_<module>Label after tag
Keep lines up to next @CESYSGEN tag
Discard lines up to next @CESYSGEN tag
Look for substring <module>Label after tag
Found substring Substring not found
I-2.4 Building OEM Source code: Build.exe
Set Current Working Directory
Look for Dirs file
Look for Sources file
Call Nmake
[Found Sources file][Found Dirs file]
Read next working directory from file
[No Dirs file]
[next working directory found]
I-2.5 Making the Windows CE Image: Makeimg.exe
Config.bib
Common.bib
Platform.bib
Project.bib
Common.db
Platform.db
Project.db
Common.dat
Platform.dat
Project.dat
Common.reg
Platform.reg
Project.reg
Create binaryInformationBuilder file
Create databaseInitialization file
Create RAMFile system
Initialization file
Create registry Initialization file
ce.bib
initobj.ini
reginit.ini
initobj.dat
Initobj.tmp
Convert stringsin RAM from ANSI
To Unicode
Compress registry Initialization file
Create binary Image
Default.fdf
Resolve link dependencies
between modules
Nk.bin
Part I-3. Booting Sequence of Windows Mobile
I-3.1 BSP (Board Support Package)
I-3.2 Booting Sequence of Windows Mobile
I-3.1 BSP (Board Support Package)
OAL source codes
Device Driver source codes
Application source codes
Boot Loader source codes
EBOOT OALDevice Driver
Windows CE OS
Application
H/W
BSP Device
Hardware Engineer
System Engineer
Application Engineer
I-3.2 Booting Sequence of Windows Mobile
ONBL1
ONBL2
EBOOT
IPL(Initial Program Loader)
Kernel
OneNAND Specific
Load Modules and Device Drivers
Test Codes and Download New Image function
ULDR (Update Loader) functionand Launch Kernel
I-3.2 Booting Sequence of Windows Mobile (Cont.): ONBL
File: Onbl1.bib
MEMORY; Name Start Size Type; ------ ------ ----- ----- ONBL1 00000000 00000800 RAMIMAGE STACK A0100000 00005000 RESERVED RAM A0105000 00005000 RAM
Onbl2.bibMEMORY; Name Start Size Type; ------ ------ ----- ----- ONBL2 A010A000 00020000 RAMIMAGE STACK A012A000 00010000 RESERVED RAM A013A000 00020000 RAM
I-3.2 Booting Sequence of Windows Mobile (Cont.): ONBL
ONBL1\Startup.s
b ResetHandler ...bl Init_Mem ... Ldr r2,=0x02000110;CCCR;208MHz ...bl OneNandRead ... ONBL2_BASE_ADDRESS EQU 0xA010A000 ... lDR R0,=ONBL2_BASE_ADDRESS Mov pc,r0
ONBL2\Startup.s
ldr sp,=0xA012A000bl main ;Jump to main.c::main(),
ONBL2\Main.c
Main(){ SetupCopySection(); ... InitDebugSerial(); ... BML_Init(); ... BML_Open(); ... ShadowEboot();}
... ReadImage(); ... OEMLaunchImage();EBOOT
I-3.2 Booting Sequence of Windows Mobile (Cont.): EBOOT
Eboot.bib
MEMORY; Name Start Size Type; ------ ------ ----- ----- RAM 83F00000 00100800 RAM EBOOT 83E00000 00100000 RAMIMAGE
EBOOT\Startup.s
...; Enable the MMU.mcr p15, 0, r1, c1, c0, 0; MMU ON: All memory accesses are now virtaul
; Jump to the virtaul address of the 'VirtualStart‘; label.mov pc, r2 ...; Jump to the C entrypoint;bl main; Jump to main.c::main(), never to return...
EBOOT main()
I-3.2 Booting Sequence of Windows Mobile (Cont.): EBOOT
EBOOT\Main.c
Main(){ BootloaderMain(); ...}
BLCOMMON\Blcommon.c
BootloaderMain(){ KernelRelocate(); ... OEMDebugInit(); ... OEMPlatformInit(); ... OEMPreDownload(); ... DownloadImage(); ... OEMLaunch(); ...}
... FlashInit(); ... LoadEBootCFG(); ...
... ReadIPL(); ... dwLaunchAddr = IPL_START_VA; ... Launch();IPL
I-3.2 Booting Sequence of Windows Mobile (Cont.): IPL
IPL.bib
MEMORY; Name Start Size Type; ------ ------ ----- ----- RAM A3D40000 00040000 RAM IPL A3D00000 00040000 RAMIMAGE BPART_BUF A3D80000 00080000 RESERVED
IPL\Startup.s
; Jump to the C entrypoint.;bl main; Jump to main.c::main(), never to return...
IPL\Main.c
Main(){ IPLmain();}
IPLmain(){ OEMIPLInit(); ... OEMGetUpdateMode(); ... OEMTranslateBaseAddress(); ... OEMLaunchImage();}
Kernel
I-3.2 Booting Sequence of Windows Mobile (Cont.): Kernel
Config.bibMEMORY; Building the traditional 'NK'; Name Start Size Type; ------ ------ ----- ----- RSVD 80000000 000C0000 RESERVED DEBUG_MSG 800C0000 0003E000 RESERVED DRV_GLB 800FE000 00001000 RESERVED ARGS 800FF000 00001000 RESERVED NK 80100000 03000000 RAMIMAGE RAM 83100000 00EFF000 RAM DMA 83FFF000 00001000 RESERVED
OAL\Startup.s
...b KernelStart
OAL\Init.c
OEMInit(){ ... OALIntrInit(); ...}
... OALIoCtlHalInitRTC(); ... OEMSetRealTime(); ... OALIoCtrlPocketStoreCMD(); ... PSII_HALWrapper();
I-3.2 Booting Sequence of Windows Mobile (Cont.): SDRAM
ONW
DBG_MSG
DRV_GLB
ARGS
ONBL1
ONBL2
DBG_MSG
DRV_GLB
ARGS
Reserved
IPL
EBOOT
RAM
0xA000_0000
0xA00C_0000
0xA00F_E000
0xA00F_F000
0xA010_0000
0xA010_A000
0xA3D0_0000
0xA3E0_0000
0xA3F0_0000
0xA400_0000
0x8000_0000
0x800C_0000
0x800F_E000
0x800F_F000
0x8010_0000
0x8310_0000
0x8400_0000
NK
NK RAM
Physical Address Virtual Address
Booting OS
I-3.2 Booting Sequence of Windows Mobile (Cont.): OneNAND
#0
#1
#9
#11
#490
#999#1000
#1001
#1024
ONBL1
ONBL2
EBOOT
IPL
OS
File Sys
EBOOT CFG
4 Scts : 2KB
252 Scts : 126KB
8 Blk : 1MB
2 Blk : 256KB
479 Blk : 60MB – 128KB
510 Blk : 63MB
1 Blk : 128KB
1 Blk : 128KB
23 Blk : 2.8MB
128 MB
Part I-4. Making Pocket PCwith Windows Mobile (Demo)
Set up Platform Builder for Windows Mobile 5.0
New Build Window Wizard of PB
Build All DEVICEEMULATOR BSP to make diskimage.nb0
Install Microsoft Loopback Adapter
Set up Target Device Connectivity Option of PB
Downloading Image to Device Emulator
Part I-4. Making Pocket PCwith Windows Mobile (Demo)
(Cont.)To install the Microsoft Loopback Adapter in Microsoft
Windows XP
1. Open Control Panel, choose Add Hardware, and then choose Next.
2. Choose Yes, I have already connected the hardware, and then choose Next.
3. From the Installed hardware list, select Add a new hardware device, and then choose Next.
4. Choose Install the hardware that I manually select from a list (Advanced), and then choose Next.
5. From the Common hardware types list, select Network adapters, and then choose Next.
6. From the Manufacturer list, select Microsoft. 7. From the Network Adapter list, select Microsoft Loopback
Adapter, and then choose Next. 8. Choose Next, and then choose Finish.
Agenda (Part II)
Part II-1. Development of Windows Mobile Device Driver
Part II-2. Development of Windows Mobile Application
Part II-3. Communication Sequence on Windows Mobile
Part II-4. Communication between Device Driver and Application (Demo)
Part II-1. Development of Windows Mobile Device Driver
Stream Interface Device Driver: 응용 프로그램이 디바이스를 하나의 ‘파일’처럼 관리하는 방식으로 , Device Driver 의 Prefix 및 Index 를 이용 , Driver 로 연결하는 방식을 사용함 .
Application Windows CE H/W MDD
PDD
Device Driver
Part II-1. Development of Windows Mobile Device Driver (Cont.)
Prefix and Index of Device Driver in REG file
- File: Hoya_Drv\hoya.reg[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Hoya]"Prefix"="HYA""Dll"="hoya.dll" "Order"=dword:1"Index"=dword:1
- File: DEVICEEMULATOR\FILES\Platform.reg; -----------------------------------------------; Hoya Driver#include "$(_TARGETPLATROOT)\SRC\DRIVERS\Hoya_Drv
\hoya.reg"
Part II-1. Development of Windows Mobile Device Driver (Cont.)
MDD Layer of Device Driver HYA_Init <-Windows CE SystemBooting HYA_Open <- CreateFile(L”HYA1:”, ..); HYA_IOControl <- DeviceIoControl(hDevice,..); HYA_Close <- CloseHandle(hDevice); HYA_DeInit <- Windows CE System Down HYA_Read HYA_Write HYA_Seek HYA_PowerDown<- System go to Sleep HYA_PowerUp <- System Wake Up
Part II-1. Development of Windows Mobile Device Driver (Cont.) : Hoyamdd.c
BOOL WINAPI HYA_Init(void){
HoyaHW_Init(); InitializeCriticalSection(&csHoya);
return TRUE;}
Part II-1. Development of Windows Mobile Device Driver (Cont.) : Hoyamdd.c
BOOL HYA_Open(DWORD dwData, DWORD dwAccess, DWORD dwShareMode){ if(dwAccess == 0x0) return TRUE;
EnterCriticalSection(&csHoya); if(!HoyaHW_Enable()) { LeaveCriticalSection(&csHoya); return FALSE; } LeaveCriticalSection(&csHoya); return TRUE;}
Part II-1. Development of Windows Mobile Device Driver (Cont.) : Hoyamdd.c
BOOL HYA_IOControl(., DWORD dwCode, PBYTE pBufIn,., PBYTE pBufOut,..){ P_HOYA_APP_T appContext;
switch( dwCode ) {
case HOYA_IOCTL_APP_RUN: appContext = (P_HOYA_APP_T)pBufIn; HoyaHW_SetAppState(appContext->AppStatus); uError = HOYA_ERROR_SUCCESS; *pBufOut = uError; break;
case HOYA_IOCTL_APP_STOP: appContext = (P_HOYA_APP_T)pBufIn; HoyaHW_SetAppState(appContext->AppStatus); uError = HOYA_ERROR_SUCCESS; *pBufOut = uError; break;:
} return TRUE;}
Part II-1. Development of Windows Mobile Device Driver (Cont.) : Hoyamdd.c
BOOL HYA_Close(DWORD dwData) {
EnterCriticalSection(&csHoya); HoyaHW_Disable(); LeaveCriticalSection(&csHoya);
return TRUE; }
Part II-1. Development of Windows Mobile Device Driver (Cont.)
PDD Layer of Device Driver: Hoyapdd.c HoyaHW_Init <- HYA_Init HoyaHW_Enable <- HYA_Open HoyaHW_SetAppState <- HYA_IOControl HoyaHW_Disable <- HYA_Close
Part II-2. Development of Windows Mobile Application
Making Program sources using Windows API
MUI (Multilingual User Interface) for each countryEx) Camera.exeCamera.exe.0409.mui (English), Camera.exe.040c.mui (France), Camera.exe.0407.mui (German)
Using eMbedded Visual C++ 4.0 and Visual Studio 2005
Part II-2. Development of Windows Mobile Application (Cont.): Hoya_DrvApi.cpp
static HANDLE hDevice = NULL;
HOYARESULT HYA_Open(HDRIVER *hDrv){
hDevice = CreateFile(L"HYA1:", GENERIC_READ|GENERIC_WRITE, 0, NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,
NULL);
if(hDevice)*hDrv = hDevice;
elsereturn HDRIVER_ERROR;
return HDRIVER_SUCCESS;}
Part II-2. Development of Windows Mobile Application (Cont.): Hoya_DrvApi.cpp
HOYARESULT HYA_Close(HDRIVER hDrv){
CloseHandle(hDrv);return HDRIVER_SUCCESS;
}
- File: Hoya_App\Hoya_ioctl.henum{
HOYA_IOCTL_APP_RUN = 0,HOYA_IOCTL_APP_STOP
};
Part II-2. Development of Windows Mobile Application (Cont.): Hoya_DrvApi.cpp
HOYARESULT HYA_SetAppState(P_HOYA_APP_T pApp){
HOYARESULT nHoyaResult = 0;BYTE pECode;
if(pApp->AppStatus == APP_STATE_RUN)DeviceIoControl(hDevice, HOYA_IOCTL_APP_RUN, pApp, 0, &pECode, 1, NULL,
NULL);else if(pApp->AppStatus == APP_STATE_STOP)
DeviceIoControl(hDevice, HOYA_IOCTL_APP_STOP, pApp, 0, &pECode, 1, NULL,
NULL);
switch( (int) pECode ){case HDRIVER_SUCCESS:
nHoyaResult = HDRIVER_SUCCESS;break;
case HDRIVER_ERROR:nHoyaResult = HDRIVER_ERROR;break;
}return nHoyaResult;
}
Part II-3. Communication Sequence on Windows Mobile
CE Kernel
Registry
Perform basic Platform initialization
Initialize object store
Device ManagerLoad Device Manager EXE Enumerate
HKLM\Drivers\Builtin
Return Builtin keys
Determine load order
Assign device file Name prefix Using Prefix and Index subkeys
RegisterDevice
Part II-3. Communication Sequence on Windows Mobile
(Cont.)CE Kernel
Device Manager
Onboard DeviceStream-Interface
DriverLoad stream-interfaceDriver
HYA_Init Initialize built-in device
Place device contextIn heap memory
Pointer to device context cast as DWORD
CreateFile(L"HYA1:",..);HYA_Open
Perform secondary initialization of built-in device
Pointer to device contextas DWORDPointer to device context
As HANDLEHandlereturn from CreateFile
Part II-4. Communication between Device Driver and Application
(Demo) Making Directory and Source files of Hoya_Drv Driver
Making Dir, Sources, Def, REG files for Hoya_Drv Driver
Modification of Platform BIB and REG files
Build Hoya_Drv Driver and Makeimg
Run Hoya_App
Agenda (Part III)
Part III-1. Camera Architecture
Part III-2. Camera Application Architecture
Part III-3. Camera on My Pocket PC (Demo)
Part III-4. Summary
Part III-5. Q&A
Part III-2. Camera Application Architecture
III-2.1 Capture Device Selection
III-2.2 Build Graph with Capture Graph Builder
III-2.4 Set Up Video Window
III-2.5 Start Preview
III-2.1 Capture Device Selection
Create Capture Filter
Capture Device Selection
Send Device Name to Capture Filter
III-2.1 Capture Device Selection (Cont.)
// Create Capture Filterhr = CoCreateInstance(CLSID_VideoCapture, NULL, CLSCTX_INPROC_SERVER,IID_IBaseFilter, (void **)&gcap.pCap);
GUID clsid = DEVCLASS_CAMERA_GUID;DEVMGR_DEVICE_INFORMATION pdi;HANDLE hand = FindFirstDevice(DeviceSearchByGuid,&clsid,&pdi);
hr = gcap.pCap->QueryInterface(IID_IPersistPropertyBag, (void **)&pPropertyBag);
VARIANT varCamName;IPropertyBag *propBag = NULL;varCamName.byref = L"CAM1:" ;
pPrepertyBag->Write( L"VCapName", &varCamName ); hr = pPropertyBag->Load(propBag,NULL);pPropertyBag->Release();
III-2.2 Build Graph with Capture Graph Builder
Create Filter Graph Manager
Create Capture Graph Builder
Create Video Renderer for Preview
Add Filters to Filter Graph Manager
Connect Video Source filter to Render Filter for Preview
III-2.2 Build Graph with Capture Graph Builder (Cont.)
hr = CoCreateInstance(CLSID_FilterGraph, NULL,CLSCTX_INPROC_SERVER, IID_IGraphBuilder, (void **)&gcap.pGraph);
hr = CoCreateInstance(CLSID_CaptureGraphBuilder, NULL, CLSCTX_INPROC_SERVER, IID_ICaptureGraphBuilder2,
(void **)&gcap.pBuilder);
gcap.pBuilder->SetFiltergraph(gcap.pGraph);
hr = CoCreateInstance(CLSID_VideoRenderer, NULL,CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void **)&gcap.pRenderP);
hr = gcap.pGraph->AddFilter(gcap.pCap,L"Video Capture Source");hr = gcap.pGraph->AddFilter(gcap.pRenderP,L"Video Render1");
III-2.2 Build Graph with Capture Graph Builder (Cont.)
hr = gcap.pBuilder->RenderStream (&PIN_CATEGORY_PREVIEW,
&MEDIATYPE_Video, gcap.pCap, NULL, gcap.pRenderP);
hr = gcap.pRenderP->QueryInterface (IID_IVideoWindow, (void**)&gcap.pVWP);
hr = gcap.pRenderP->QueryInterface (IID_IDirectDrawVideo, (void **)&gcap.pDdrawVideoP);
III-2.4 Set Up Video Window
Set Up Owner of Video Window
Set Up Window Style of Video Window
Put Window Size using IVideoWindow Interface
III-2.4 Set Up Video Window (Cont.)
IVideoWindow *pVW
hr = pVW->put_Owner((OAHWND)hWndApp) ;hr = pVW->put_WindowStyle(WS_CHILD);
GetClientRect(hWndApp, &rt);pVW->put_Left(rt.left);pVW->put_Top(rt.top);pVW->put_Width(rt.right-rt.left);pVW->put_Height(rt.bottom-rt.top);
III-2.5 Start Preview
Get Media Control Interface of Filter Graph Manager
Control Media Stream using IMediaControl Interface
III-2.5 Start Preview (Cont.)
IMediaControl *pMC = NULL; hr = gcap.pGraph->QueryInterface(IID_IMediaControl, (void **)&pMC); if(SUCCEEDED(hr)) { hr = pMC->Run(); if(FAILED(hr))
pMC->Stop();
pMC->Release(); }
if(FAILED(hr)) { return FALSE; }
gcap.pVWP->put_WindowState(SW_SHOW);
Part III-3. Camera on My Pocket PC (Demo)
Making Directory and Source files of Camera Driver
Making Dir, Sources, Def, REG files for Camea Driver
Modification of Platform BIB and REG files
Build Camera Driver and Makeimg
Run DDCam Application
Part III-4. Summary
Build Process and Booting Sequence
Device Driver and Application Programming
Camera Programming
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