如何建置COM Port on Windows Compact 7

如何建置COM Port on Windows Compact 7

一、IRQ、IO Port設定

1、BIOS的IRQ和IO Port需先設定好

2、修改OALIntrInit

找到相關cpu chip的inin.c， 修改OALIntrInit function，使用OALIntrStaticTranslate(UINT32 sysIntr, UINT32 irq)設定。該IRQt與BIOS的IRQ相對應。

如:

OALIntrStaticTranslate(SYSINTR_FIRMWARE +4, 4)

3、修改platform.reg

在COM Port的registry section設定IRQ、IO Port，SysIntr圍上一步驟

OALIntrStaticTranslate裡的sysIntr+10，IoBase對應到BIOS的IO Port。

如:

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial1]

"SysIntr"=dword:14   

"IoBase"=dword:03F8

二、設定COM Port的屬性(BaudRate、Parity…)，修改platform.reg

如:

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial1\Unimodem]

"BaudRate"=dword:9600

Note：

The Config key contains commands for configuring various modem settings. The values under this key override corresponding members of the DevConfig structure.

The following table shows the named values for the

Value : type	Description
BaudRate : REG_DWORD	Specifies the default baud rate for the device, usually 19200.
ByteSize	Specifies the byte size for the device, usually 8.
CallSetupFailTimer : REG_DWORD	Specifies the default number of seconds for connection establishment, usually 120.
DialModifier : REG_SZ	Specifies the modem command string to be issued immediately before the dial command. This value usually is not specified.
EnableAutoBaud : REG_DWORD	Enables or disables auto-baud rate detection for direct serial connection devices. This value is usually set to 0, which disables auto-baud rate detection.
EnableBlindDial : REG_DWORD	Enables or disables blind dial functionality. This value is usually set to 0, which disables blind dial.
EnableFlowHard : REG_DWORD	Enables or disables hardware flow control. This value is usually set to 1, which enables hardware flow control.
EnableFlowSoft : REG_DWORD	Enable or disable software flow control. This value is usually set to 0, which disables software flow control.
EnableToneDial : REG_DWORD	Enables or disables tone dial functionality. This value is usually set to 1, which enables tone dial functionality.
ManualDial : REG_DWORD	Enables or disables manual dial terminal window. This value is usually set to 0, which disables the manual dial terminal window.
Parity : REG_DWORD	Specifies one of the parity modes that are defined in Winbase.h in the %_WINCEROOT%\Public\common\sdk\inc directory. This value is usually set to 0, which means that no parity mode is specified.
PostDialTerminal : REG_DWORD	Enables or disables post-dial terminal window. This value is usually set to 0, which disables the post-dial terminal window.
PreDialTerminal : REG_DWORD	Enables or disables pre-dial terminal window. This value is usually set to 0, which disables the pre-dial terminal window.
StopBits : REG_DWORD	Specifies one of the stop bits modes that are defined in Winbase.h. This value is usually set to 0, which specifies 1 stop bit.
WaitBong : REG_WORD	Specifies the seconds to wait for prompt tone. This value is usually set to 0.

實作如下：

假設板子有五個COM Port 。

1、BIOS的IRQ、IO Port設定值

COM1  IRQ=4 ; IoBase= 03F8

COM2  IRQ=3 ; IoBase= 02F8

COM3  IRQ=6 ; IoBase= 03E8

COM4  IRQ=13 ; IoBase= 02E8

COM5  IRQ=10 ; IoBase= 04E8

2、修改OALIntrInit

BOOL OALIntrInit (void)

{

    OALMSG(OAL_INTR&&OAL_FUNC, (L"+OALInterruptInit\r\n"));

    // Initialize interrupt mapping

    OALIntrMapInit();

    // The following block of code sets up the system interrupt mapping table.

    // The goal is to follow the interrupt lay out of a legacy PC for simplicity.

    // This may be modified according to hardware requirements.

    // IRQ0 is timer0, the scheduler tick

    OALIntrStaticTranslate(SYSINTR_RESCHED, INTR_TIMER0);

    OALIntrStaticTranslate(SYSINTR_KEYBOARD, 1);

    // IRQ2 is the cascade interrupt for the second PIC

    // Serial Port Info

    //

    // The legacy COM port layout defines IRQ4 being shared by COM ports 1 and 3

    // and IRQ3 is shared COM ports 2 and 4.

    // If the legacy IRQ layout is followed, only 1 COM port per IRQ should be enabled.

    // COM1 - 0x3F8-0x3FF, IRQ4   ;   COM2 - 0x2F8-0x3FF, IRQ3

    // COM3 - 0x3E8-0x3EF, IRQ4   ;   COM4 - 0x2E8-0x2EF, IRQ3

  

    // COM2  IRQ=3 ; IoBase= 02F8

    OALIntrStaticTranslate(SYSINTR_FIRMWARE + 3, 3);  

    // COM1  IRQ=4 ; IoBase= 03F8

    OALIntrStaticTranslate(SYSINTR_FIRMWARE + 4, 4); 

    // COM3  IRQ=6 ; IoBase= 03E8 ; IRQ6 is normally the floppy controller.

    OALIntrStaticTranslate(SYSINTR_FIRMWARE + 6, 6);

    // COM4  IRQ=13 ; IoBase= 02E8  ; IRQ13 is normally the coprocessor

OALIntrStaticTranslate(SYSINTR_FIRMWARE + 13, 10);

// COM5  IRQ=10 ; IoBase= 04E8

OALIntrStaticTranslate(SYSINTR_FIRMWARE + 10, 10);

    // IRQ5 is legacy LPT2 - this IRQ is potentially available.

    // Currently this interrupt is being used for Audio support on the emulator.

    OALIntrStaticTranslate(SYSINTR_FIRMWARE + 5, 5);

    // IRQ7 is normally LPT1

    OALIntrStaticTranslate(SYSINTR_FIRMWARE + 7, 7);

    // IRQ8 is the real time clock

    OALIntrStaticTranslate(SYSINTR_RTC_ALARM,  8);

    OALIntrStaticTranslate(SYSINTR_FIRMWARE + 9,  9);

    OALIntrStaticTranslate(SYSINTR_FIRMWARE + 11, 11);

    OALIntrStaticTranslate(SYSINTR_TOUCH, 12);

    // IRQ14 is normally the hard disk controller

    OALIntrStaticTranslate(SYSINTR_FIRMWARE + 14, 14);

    OALIntrStaticTranslate(SYSINTR_FIRMWARE + 15, 15);

    OALMSG(OAL_INTR&&OAL_FUNC, (L"-OALInterruptInit(rc = %d)\r\n", TRUE));

    return TRUE;

}

3、修改platform.reg

;-- Resource Manager Configuration ---------------------------------------------

; HIVE BOOT SECTION

[HKEY_LOCAL_MACHINE\Drivers\Resources\IRQ]

    "Identifier"=dword:1

    "Minimum"=dword:1

    "Space"=dword:F

    "Ranges"="1,3-7,9-0xF"

    "Shared"="1,3-7,9-0xF"

[HKEY_LOCAL_MACHINE\Drivers\Resources\IO]

    "Identifier"=dword:2

    "Minimum"=dword:0

    "Space"=dword:10000

    "Ranges"="0-0x5F,0x65-0x277,0x284-0x38F,0x392-0x3DF,0x3E2-0xFFFF"

IF BSP_SERIAL1

    "Ranges"="0-0x5F,0x65-0x277,0x284-0x2F7,0x300-0x38F,0x392-0x3DF,0x3E2-0xFFFF"

ENDIF BSP_SERIAL1

IF BSP_SERIAL2

    "Ranges"="0-0x5F,0x65-0x277,0x284-0x2F7,0x300-0x38F,0x392-0x3DF,0x3E2-0x3E7,0x3F0-0xFFFF"

ENDIF BSP_SERIAL2

IF BSP_SERIAL3

    "Ranges"="0-0x5F,0x65-0x277,0x284-0x2EA,0x2F0-0x2F7,0x300-0x38F,0x392-0x3DF,0x3E2-0x3EA,0x3F0-0xFFFF"

ENDIF BSP_SERIAL3

IF BSP_PCH_EG20T

IF BSP_SERIAL1

[HKEY_LOCAL_MACHINE\Drivers\Resources\IO]

    ; PCH EG20T COM debug port IO range = 0x3F8-ox3FF

    "Ranges"="0-0x5F,0x65-0x277,0x284-0x38F,0x392-0x3DF,0x3E2-0x3F7,0x400-0xFFFF"

ENDIF BSP_SERIAL1

ENDIF BSP_PCH_EG20T

; END HIVE BOOT SECTION

;-------------------------------------------------------------------------------

..........................................................

..........................................................

;-- 16550 UART -----------------------------------------------------------------

; @CESYSGEN IF CE_MODULES_SERIAL

;IF BSP_NOSERIAL !

; @XIPREGION IF PACKAGE_OEMXIPKERNEL

; @XIPREGION ENDIF PACKAGE_OEMXIPKERNEL

; @XIPREGION IF PACKAGE_OEMDRIVERS

IF BSP_SERIAL1

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial1]

    "Flags"=dword:0010            ; User Mode: DEVFLAGS_LOAD_AS_USERPROC

    "Dll"="Com16550.Dll"

    "Prefix"="COM"

    "Order"=dword:0

    "Index"=dword:1

    "SysIntr"=dword:14      ;//IRQ=4

IF BSP_PCH_EG20T

    ; PCH EG20T COM debug port IOBase=0x3F8 (per BIOS settings)

    "IoBase"=dword:03F8

ELSE

    "IoBase"=dword:03F8

ENDIF BSP_PCH_EG20T

    "IoLen"=dword:8

    "DeviceArrayIndex"=dword:0

    "IClass"="{CC5195AC-BA49-48a0-BE17-DF6D1B0173DD}"

    "UserProcGroup"=dword:$(PROCGROUP_DRIVER_MSFT_DEFAULT)

IF IMGENFORA

    ; Turn on installable ISR (isr16550 supporting SOFTWARE FIFO)

    "Flags"=dword:0                 ; Kernel Mode

    "Irq"=dword:3

    "IsrDll"="isr16550.dll"

    "IsrHandler"="ISRHandler"

ENDIF IMGENFORA

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial1\Unimodem]

    "Tsp"="Unimodem.dll"

    "DeviceType"=dword:0

    "DevConfig"=hex: 10,00, 00,00, 05,00,00,00, 10,01,00,00, 00,4B,00,00, 00,00, 08, 00, 00, 00,00,00,00

    "BaudRate"=dword:9600

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial1\HayesCompat]

    "Tsp"="Unimodem.dll"

    "DeviceType"=dword:1

ENDIF BSP_SERIAL1

IF BSP_SERIAL2

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial2]

    "Flags"=dword:0010            ; User Mode: DEVFLAGS_LOAD_AS_USERPROC

    "Dll"="Com16550.Dll"

    "Prefix"="COM"

    "Order"=dword:1

    "Index"=dword:2

    "SysIntr"=dword:13              ; //IRQ=3

    "IoBase"=dword:02F8

    "IoLen"=dword:8

    "DeviceArrayIndex"=dword:1

    "IClass"="{CC5195AC-BA49-48a0-BE17-DF6D1B0173DD}"

    "UserProcGroup"=dword:$(PROCGROUP_DRIVER_MSFT_DEFAULT)

IF IMGENFORA_COM2

    ; Turn on installable ISR (isr16550 supporting SOFTWARE FIFO)

    "Flags"=dword:0                 ; Kernel Mode

    "Irq"=dword:3

    "IsrDll"="isr16550.dll"

    "IsrHandler"="ISRHandler"

ENDIF

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial2\Unimodem]

    "Tsp"="Unimodem.dll"

    "DeviceType"=dword:0

    "DevConfig"=hex: 10,00, 00,00, 05,00,00,00, 10,01,00,00, 00,4B,00,00, 00,00, 08, 00, 00, 00,00,00,00

    "BaudRate"=dword:9600

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial2\HayesCompat]

    "Tsp"="Unimodem.dll"

    "DeviceType"=dword:1

ENDIF BSP_SERIAL2

IF BSP_SERIAL3

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial3]

    "Flags"=dword:0010            ; User Mode: DEVFLAGS_LOAD_AS_USERPROC

    "Dll"="Com16550.Dll"

    "Prefix"="COM"

    "Order"=dword:2

    "Index"=dword:3

    "SysIntr"=dword:16            ; //IRQ=6

    "IoBase"=dword:03E8

    "IoLen"=dword:8

    "DeviceArrayIndex"=dword:2

    "IClass"="{CC5195AC-BA49-48a0-BE17-DF6D1B0173DD}"

    "UserProcGroup"=dword:$(PROCGROUP_DRIVER_MSFT_DEFAULT)

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial3\Unimodem]

    "Tsp"="Unimodem.dll"

    "DeviceType"=dword:0

    "DevConfig"=hex: 10,00, 00,00, 05,00,00,00, 10,01,00,00, 00,4B,00,00, 00,00, 08, 00, 00, 00,00,00,00

    "BaudRate"=dword:9600

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial3\HayesCompat]

    "Tsp"="Unimodem.dll"

    "DeviceType"=dword:1

ENDIF BSP_SERIAL3

IF BSP_SERIAL4

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial4]

    "Flags"=dword:0010            ; User Mode: DEVFLAGS_LOAD_AS_USERPROC

    "Dll"="Com16550.Dll"

    "Prefix"="COM"

    "Order"=dword:3

    "Index"=dword:4

    "SysIntr"=dword:1D

    "IoBase"=dword:02E8

    "IoLen"=dword:8

    "DeviceArrayIndex"=dword:3

    "IClass"="{CC5195AC-BA49-48a0-BE17-DF6D1B0173DD}"

    "UserProcGroup"=dword:$(PROCGROUP_DRIVER_MSFT_DEFAULT)

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial4\Unimodem]

    "Tsp"="Unimodem.dll"

    "DeviceType"=dword:0

    "DevConfig"=hex: 10,00, 00,00, 05,00,00,00, 10,01,00,00, 00,4B,00,00, 00,00, 08, 00, 00, 00,00,00,00

    "BaudRate"=dword:9600

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial4\HayesCompat]

    "Tsp"="Unimodem.dll"

    "DeviceType"=dword:1

ENDIF BSP_SERIAL4

IF BSP_SERIAL5

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial5]

    "Flags"=dword:0010            ; User Mode: DEVFLAGS_LOAD_AS_USERPROC

    "Dll"="Com16550.Dll"

    "Prefix"="COM"

    "Order"=dword:4

    "Index"=dword:5

    "SysIntr"=dword:1A

    "IoBase"=dword:04E8

    "IoLen"=dword:8

    "DeviceArrayIndex"=dword:4

    "IClass"="{CC5195AC-BA49-48a0-BE17-DF6D1B0173DD}"

    "UserProcGroup"=dword:$(PROCGROUP_DRIVER_MSFT_DEFAULT)

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial5\Unimodem]

    "Tsp"="Unimodem.dll"

    "DeviceType"=dword:0

    "DevConfig"=hex: 10,00, 00,00, 05,00,00,00, 10,01,00,00, 00,4B,00,00, 00,00, 08, 00, 00, 00,00,00,00

    "BaudRate"=dword:9600

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial5\HayesCompat]

    "Tsp"="Unimodem.dll"

    "DeviceType"=dword:1

ENDIF BSP_SERIAL5

; @XIPREGION ENDIF PACKAGE_OEMDRIVERS

;ENDIF BSP_NOSERIAL !

; @CESYSGEN ENDIF CE_MODULES_SERIAL

;-------------------------------------------------------------------------------