serial.c File Reference

#include "remods.h"
#include "precomp.h"
#include "serial_port.h"

Include dependency graph for serial.c:

Go to the source code of this file.

Functions
BOOLEAN	SerialReadByte (PUCHAR px)
void	SerialSetSpeed (ULONG baudrate)
void	SerialSetOthers (ULONG Parity, ULONG Bits, ULONG StopBit)
void	FlushSerialBuffer (void)
void	SetupSerial (ULONG port, ULONG baudrate)
BOOLEAN	SerialSendByte (UCHAR x)
UCHAR	CheckSum (LPSTR p, ULONG Len)
BOOLEAN	ReadPacket (PSERIAL_PACKET p)
BOOLEAN	SendPacket (PSERIAL_PACKET p)
BOOLEAN	SendPacketTimeout (PSERIAL_PACKET p)
PSERIAL_PACKET	AssemblePacket (PUCHAR pData, ULONG ulSize)
void	SetForegroundColorSerial (ECOLORS col)
void	SetBackgroundColorSerial (ECOLORS col)
void	PrintGrafSerial (ULONG x, ULONG y, UCHAR c)
void	FlushSerial (void)
void	ShowCursorSerial (void)
void	HideCursorSerial (void)
void	CopyLineToSerial (USHORT dest, USHORT src)
void	InvertLineSerial (ULONG line)
void	HatchLineSerial (ULONG line)
void	ClrLineSerial (ULONG line)
void	PrintLogoSerial (BOOLEAN bShow)
void	PrintCursorSerial (BOOLEAN bForce)
void	SaveGraphicsStateSerial (void)
void	RestoreGraphicsStateSerial (void)
UCHAR	GetKeyPolledSerial (void)
void	FlushKeyboardQueueSerial (void)
BOOLEAN	Connect (USHORT xSize, USHORT ySize)
BOOLEAN	ConsoleInitSerial (void)
void	ConsoleShutdownSerial (void)

Variables
WINDOW	wWindowSerial [4]
PUCHAR	pScreenBufferSerial
USHORT	usSerialPortBase
UCHAR	packet [_PAGE_SIZE]
UCHAR	assemble_packet [_PAGE_SIZE]
UCHAR	flush_buffer [_PAGE_SIZE]
UCHAR	g_x
UCHAR	g_y
ULONG	ulFlushBufferPos = 0
UCHAR	ucLastKeyRead
ECOLORS	eForegroundColor =WHITE
ECOLORS	eBackgroundColor =BLACK

Function Documentation

AssemblePacket()

PSERIAL_PACKET AssemblePacket	(	PUCHAR	pData,
		ULONG	ulSize
	)

Definition at line 295 of file serial.c.

{
    PSERIAL_PACKET p;
    ULONG ulCheckSum;

    p = (PSERIAL_PACKET)assemble_packet;

    // fill in header
    p->header.packet_chksum = CheckSum(pData,ulSize);
    p->header.packet_size = ulSize;
    p->header.packet_header_chksum = 0;
    ulCheckSum = (ULONG)CheckSum((PUCHAR)p,sizeof(SERIAL_PACKET_HEADER));
    p->header.packet_header_chksum = ulCheckSum;
    // attach data to packet
    PICE_memcpy(p->data,pData,ulSize);

    return p;
}

Referenced by ClrLineSerial(), Connect(), FlushSerial(), GetKeyPolledSerial(), HideCursorSerial(), InvertLineSerial(), and ShowCursorSerial().

CheckSum()

UCHAR CheckSum	(	LPSTR	p,
		ULONG	Len
	)

Definition at line 197 of file serial.c.

{
    UCHAR ucCheckSum = 0;
    ULONG i;
    for(i=0;i<Len;i++)
    {
        ucCheckSum ^= *p++;
        ucCheckSum += 1;
    }

    return ucCheckSum;
}

Referenced by AssemblePacket(), check_table_dir(), CheckSumMappedFile(), CreateOutputFile(), FATGetNextDirEntry(), gdb_receive_packet(), HalpAcpiGetTableFromBios(), IMAGEHLP_RecalculateChecksum(), ImgpLoadPEImage(), IopCreateArcNamesCd(), IopCreateArcNamesDisk(), IoReadDiskSignature(), MapFileAndCheckSumA(), MapFileAndCheckSumW(), test_Loader(), test_pack_IMAGE_OPTIONAL_HEADER32(), test_pack_IMAGE_OPTIONAL_HEADER64(), test_pack_IMAGE_SEPARATE_DEBUG_HEADER(), tt_check_trickyness_sfnt_ids(), and WriteOutFile().

ClrLineSerial()

void ClrLineSerial

(

ULONG

line

)

Definition at line 471 of file serial.c.

{
    PSERIAL_DATA_PACKET_CLRLINE pClrLine;
    PSERIAL_PACKET p;

    pClrLine = (PSERIAL_DATA_PACKET_CLRLINE)packet;
    pClrLine->type = PACKET_TYPE_CLRLINE;
    pClrLine->fgcol = eForegroundColor;
    pClrLine->bkcol = eBackgroundColor;
    pClrLine->line = line;

    p = AssemblePacket((PUCHAR)pClrLine,sizeof(SERIAL_DATA_PACKET_CLRLINE));
    SendPacket(p);
}

Referenced by ConsoleInitSerial().

Connect()

BOOLEAN Connect	(	USHORT	xSize,
		USHORT	ySize
	)

Definition at line 563 of file serial.c.

{
    PSERIAL_DATA_PACKET_CONNECT pConnect;
    PSERIAL_PACKET p;

    pConnect = (PSERIAL_DATA_PACKET_CONNECT)packet;
    pConnect->type = PACKET_TYPE_CONNECT;
    pConnect->xsize = xSize;
    pConnect->ysize = ySize;

    p = AssemblePacket((PUCHAR)pConnect,sizeof(SERIAL_DATA_PACKET_CONNECT));
    return SendPacketTimeout(p);
}

Referenced by ConsoleInitSerial(), and ConsoleShutdownSerial().

ConsoleInitSerial()

BOOLEAN ConsoleInitSerial

(

void

)

Definition at line 582 of file serial.c.

{
    BOOLEAN bResult = FALSE;

    ENTER_FUNC();

    ohandlers.CopyLineTo            = CopyLineToSerial;
    ohandlers.PrintGraf             = PrintGrafSerial;
    ohandlers.Flush                 = FlushSerial;
    ohandlers.ClrLine               = ClrLineSerial;
    ohandlers.InvertLine            = InvertLineSerial;
    ohandlers.HatchLine             = HatchLineSerial;
    ohandlers.PrintLogo             = PrintLogoSerial;
    ohandlers.PrintCursor           = PrintCursorSerial;
    ohandlers.SaveGraphicsState     = SaveGraphicsStateSerial;
    ohandlers.RestoreGraphicsState  = RestoreGraphicsStateSerial;
    ohandlers.ShowCursor            = ShowCursorSerial;
    ohandlers.HideCursor            = HideCursorSerial;
    ohandlers.SetForegroundColor    = SetForegroundColorSerial;
    ohandlers.SetBackgroundColor    = SetBackgroundColorSerial;

    ihandlers.GetKeyPolled          = GetKeyPolledSerial;
    ihandlers.FlushKeyboardQueue    = FlushKeyboardQueueSerial;

    SetWindowGeometry(wWindowSerial);

    GLOBAL_SCREEN_WIDTH = 80;
    GLOBAL_SCREEN_HEIGHT = 60;

    pScreenBufferSerial = PICE_malloc(FRAMEBUFFER_SIZE, NONPAGEDPOOL);

    if(pScreenBufferSerial)
    {
        bResult = TRUE;

        EmptyRingBuffer();

        SetupSerial(1,115200);

        // connect to terminal, if none's there, we give up
        bResult = Connect(GLOBAL_SCREEN_WIDTH,GLOBAL_SCREEN_HEIGHT);

        if(bResult)
        {
            GetKeyPolledSerial();
        }
    }

    LEAVE_FUNC();

    return bResult;
}

Referenced by ConsoleInit().

ConsoleShutdownSerial()

void ConsoleShutdownSerial

(

void

)

Definition at line 641 of file serial.c.

{
    ENTER_FUNC();

    Connect(80,25);

    FlushSerialBuffer();

    if(pScreenBufferSerial)
        PICE_free(pScreenBufferSerial);

    LEAVE_FUNC();
}

Referenced by ConsoleShutdown().

CopyLineToSerial()

void CopyLineToSerial	(	USHORT	dest,
		USHORT	src
	)

Definition at line 433 of file serial.c.

{
    NOT_IMPLEMENTED();
}

Referenced by ConsoleInitSerial().

FlushKeyboardQueueSerial()

void FlushKeyboardQueueSerial

(

void

)

Definition at line 554 of file serial.c.

{
    // not implemented
}

Referenced by ConsoleInitSerial().

FlushSerial()

void FlushSerial

(

void

)

Definition at line 359 of file serial.c.

{
    PSERIAL_DATA_PACKET_PRINT pPrint;
    PSERIAL_PACKET p;

    pPrint = (PSERIAL_DATA_PACKET_PRINT)packet;
    pPrint->type = PACKET_TYPE_PRINT;
    pPrint->x = g_x;
    pPrint->y = g_y;
    pPrint->fgcol = eForegroundColor;
    pPrint->bkcol = eBackgroundColor;
    flush_buffer[ulFlushBufferPos++] = 0;
    PICE_strcpy(pPrint->string,flush_buffer);
    ulFlushBufferPos = 0;

    p = AssemblePacket((PUCHAR)pPrint,sizeof(SERIAL_DATA_PACKET_PRINT)+PICE_strlen(flush_buffer));
    SendPacket(p);
}

Referenced by ConsoleInitSerial().

FlushSerialBuffer()

void FlushSerialBuffer

(

void

)

---

---

Definition at line 122 of file serial.c.

{
    UCHAR c;

    while(SerialReadByte(&c));
}

Referenced by ConsoleShutdownSerial(), and SetupSerial().

GetKeyPolledSerial()

UCHAR GetKeyPolledSerial

(

void

)

Definition at line 528 of file serial.c.

{
    UCHAR ucResult;
    PSERIAL_DATA_PACKET_POLL pPoll;
    PSERIAL_PACKET p;

    pPoll =                 (PSERIAL_DATA_PACKET_POLL)packet;
    pPoll->type             = PACKET_TYPE_POLL;
    pPoll->major_version    = PICE_MAJOR_VERSION;
    pPoll->minor_version    = PICE_MINOR_VERSION;
    pPoll->build_number     = PICE_BUILD;

    p = AssemblePacket((PUCHAR)pPoll,sizeof(SERIAL_DATA_PACKET_POLL));
    SendPacket(p);

    ucResult = ucLastKeyRead;

    ucLastKeyRead = 0;

    return ucResult;
}

Referenced by ConsoleInitSerial().

HatchLineSerial()

void HatchLineSerial

(

ULONG

line

)

Definition at line 461 of file serial.c.

{
    NOT_IMPLEMENTED();
}

Referenced by ConsoleInitSerial().

HideCursorSerial()

void HideCursorSerial

(

void

)

Definition at line 409 of file serial.c.

{
    PSERIAL_DATA_PACKET_CURSOR pCursor;
    PSERIAL_PACKET p;

    ENTER_FUNC();

    bCursorEnabled = FALSE;

    pCursor = (PSERIAL_DATA_PACKET_CURSOR)packet;
    pCursor->type = PACKET_TYPE_CURSOR;
    pCursor->state = (UCHAR)TRUE;

    p = AssemblePacket((PUCHAR)pCursor,sizeof(SERIAL_DATA_PACKET_CURSOR));
    SendPacket(p);

    LEAVE_FUNC();
}

Referenced by ConsoleInitSerial().

InvertLineSerial()

void InvertLineSerial

(

ULONG

line

)

Definition at line 443 of file serial.c.

{
    PSERIAL_DATA_PACKET_INVERTLINE pInvertLine;
    PSERIAL_PACKET p;

    pInvertLine = (PSERIAL_DATA_PACKET_INVERTLINE)packet;
    pInvertLine->type = PACKET_TYPE_INVERTLINE;
    pInvertLine->line = line;

    p = AssemblePacket((PUCHAR)pInvertLine,sizeof(SERIAL_DATA_PACKET_INVERTLINE));
    SendPacket(p);
}

Referenced by ConsoleInitSerial().

PrintCursorSerial()

void PrintCursorSerial

(

BOOLEAN

bForce

)

Definition at line 500 of file serial.c.

{
    NOT_IMPLEMENTED();
}

Referenced by ConsoleInitSerial().

PrintGrafSerial()

void PrintGrafSerial	(	ULONG	x,
		ULONG	y,
		UCHAR	c
	)

Definition at line 340 of file serial.c.

{
    // put this into memory
    pScreenBufferSerial[y*GLOBAL_SCREEN_WIDTH + x] = c;

    // put this into cache
    if(ulFlushBufferPos == 0)
    {
        g_x = x;
        g_y = y;
    }

    flush_buffer[ulFlushBufferPos++] = c;
}

Referenced by ConsoleInitSerial().

PrintLogoSerial()

void PrintLogoSerial

(

BOOLEAN

bShow

)

Definition at line 490 of file serial.c.

{
    NOT_IMPLEMENTED();
}

Referenced by ConsoleInitSerial().

ReadPacket()

BOOLEAN ReadPacket

(

PSERIAL_PACKET

p

)

---

---

Definition at line 215 of file serial.c.

{
    return TRUE;
}

RestoreGraphicsStateSerial()

void RestoreGraphicsStateSerial

(

void

)

Definition at line 518 of file serial.c.

{
    // not implemented
}

Referenced by ConsoleInitSerial().

SaveGraphicsStateSerial()

void SaveGraphicsStateSerial

(

void

)

Definition at line 509 of file serial.c.

{
    // not implemented
}

Referenced by ConsoleInitSerial().

SendPacket()

BOOLEAN SendPacket

(

PSERIAL_PACKET

p

)

---

---

Definition at line 225 of file serial.c.

{
    PUCHAR pHeader = (PUCHAR)&p->header;
    ULONG i;
    UCHAR c;
    ULONG timeout;

    do
    {
        timeout = 10;
        pHeader = (PUCHAR)&p->header;
        for(i=0;i<(sizeof(SERIAL_PACKET_HEADER)+p->header.packet_size);i++)
        {
            if(!SerialSendByte(*pHeader++))
            {
                return FALSE;
            }
        }

        do
        {
            c = 0;
            SerialReadByte(&c);
            if(c != ACK)
                ucLastKeyRead = c;
        }while(c != ACK && timeout--);

    }while(c != ACK);

    return TRUE;
}

Referenced by ClrLineSerial(), FlushSerial(), GetKeyPolledSerial(), HideCursorSerial(), InvertLineSerial(), KdpSendWaitContinue(), and ShowCursorSerial().

SendPacketTimeout()

BOOLEAN SendPacketTimeout

(

PSERIAL_PACKET

p

)

---

---

Definition at line 261 of file serial.c.

{
    PUCHAR pHeader = (PUCHAR)&p->header;
    ULONG i;
    UCHAR c;
    ULONG timeout = 20;
    BOOLEAN bResult = TRUE;

    pHeader = (PUCHAR)&p->header;
    for(i=0;i<(sizeof(SERIAL_PACKET_HEADER)+p->header.packet_size);i++)
    {
        if(!SerialSendByte(*pHeader++))
        {
            return FALSE;
        }
    }

    do
    {
        c = 0xFF;
        SerialReadByte(&c);
    }while(c != ACK && timeout--);

    if(c != ACK)
        bResult = FALSE;

    return bResult;
}

Referenced by Connect().

SerialReadByte()

BOOLEAN SerialReadByte

(

PUCHAR

px

)

---

Definition at line 152 of file serial.c.

{
    ULONG timeout;

    timeout = 0x00FFFFL;

    // Wait for transmitter to clear
    while ((inportb((USHORT)(usSerialPortBase + LSR)) & RCVRDY) == 0)
        if (!(--timeout))
        {
            return FALSE;
        }

    *px = inportb((USHORT)(usSerialPortBase + RXR));

    return TRUE;
}

Referenced by FlushSerialBuffer(), SendPacket(), and SendPacketTimeout().

SerialSendByte()

BOOLEAN SerialSendByte

(

UCHAR

x

)

---

Definition at line 175 of file serial.c.

{
    ULONG timeout;

    timeout = 0x00FFFFL;

    // Wait for transmitter to clear
    while ((inportb((USHORT)(usSerialPortBase + LSR)) & XMTRDY) == 0)
        if (!(--timeout))
        {
            return FALSE;
        }

    outportb((USHORT)(usSerialPortBase + TXR), x);

    return TRUE;
}

Referenced by SendPacket(), and SendPacketTimeout().

SerialSetOthers()

void SerialSetOthers	(	ULONG	Parity,
		ULONG	Bits,
		ULONG	StopBit
	)

---

Definition at line 86 of file serial.c.

{
    ULONG setting;
    UCHAR c;

    if (usSerialPortBase == 0)                  return ;
    if (Bits < 5 || Bits > 8)               return ;
    if (StopBit != 1 && StopBit != 2)           return ;
    if (Parity != NO_PARITY && Parity != ODD_PARITY && Parity != EVEN_PARITY)
                            return;

    setting  = Bits-5;
    setting |= ((StopBit == 1) ? 0x00 : 0x04);
    setting |= Parity;

    c = inportb((USHORT)(usSerialPortBase + LCR));
    outportb((USHORT)(usSerialPortBase + LCR), (UCHAR)(c & ~0x80)); // Reset DLAB

    // no ints
    outportb((USHORT)(usSerialPortBase + IER), (UCHAR)0);

    // clear FIFO and disable them
    outportb((USHORT)(usSerialPortBase + FCR), (UCHAR)0);

    outportb((USHORT)(usSerialPortBase + LCR), (UCHAR)setting);

    outportb((USHORT)(usSerialPortBase + MCR),  DTR | RTS);


    return ;
}

Referenced by SetupSerial().

SerialSetSpeed()

void SerialSetSpeed

(

ULONG

baudrate

)

---

---

Definition at line 66 of file serial.c.

{
    UCHAR c;
    ULONG divisor;

    divisor = (ULONG) (115200L/baudrate);

    c = inportb((USHORT)(usSerialPortBase + LCR));
    outportb((USHORT)(usSerialPortBase + LCR), (UCHAR)(c | 0x80)); // Set DLAB
    outportb((USHORT)(usSerialPortBase + DLL), (UCHAR)(divisor & 0x00FF));
    outportb((USHORT)(usSerialPortBase + DLH), (UCHAR)((divisor >> 8) & 0x00FF));
    outportb((USHORT)(usSerialPortBase + LCR), c);          // Reset DLAB

}

Referenced by SetupSerial().

SetBackgroundColorSerial()

void SetBackgroundColorSerial

(

ECOLORS

col

)

Definition at line 330 of file serial.c.

{
    eBackgroundColor = col;
}

Referenced by ConsoleInitSerial().

SetForegroundColorSerial()

void SetForegroundColorSerial

(

ECOLORS

col

)

Definition at line 321 of file serial.c.

{
    eForegroundColor = col;
}

Referenced by ConsoleInitSerial().

SetupSerial()

void SetupSerial	(	ULONG	port,
		ULONG	baudrate
	)

---

---

Definition at line 133 of file serial.c.

{
    USHORT ports[]={COM1BASE,COM2BASE,COM3BASE,COM4BASE};

    usSerialPortBase = ports[port-1];
    SerialSetOthers(NO_PARITY,8,1);
    SerialSetSpeed(baudrate);

    // clear out received bytes
    // else we would think there's a terminal connected
    FlushSerialBuffer();
}

Referenced by ConsoleInitSerial().

ShowCursorSerial()

void ShowCursorSerial

(

void

)

Definition at line 383 of file serial.c.

{
    PSERIAL_DATA_PACKET_CURSOR pCursor;
    PSERIAL_PACKET p;

    ENTER_FUNC();

    bCursorEnabled = TRUE;

    pCursor = (PSERIAL_DATA_PACKET_CURSOR)packet;
    pCursor->type = PACKET_TYPE_CURSOR;
    pCursor->state = (UCHAR)TRUE;
    pCursor->x = (UCHAR)wWindow[OUTPUT_WINDOW].usCurX;
    pCursor->y = (UCHAR)wWindow[OUTPUT_WINDOW].usCurY;

    p = AssemblePacket((PUCHAR)pCursor,sizeof(SERIAL_DATA_PACKET_CURSOR));
    SendPacket(p);

    LEAVE_FUNC();
}

Referenced by ConsoleInitSerial().

Variable Documentation

assemble_packet

UCHAR assemble_packet[_PAGE_SIZE]

Definition at line 54 of file serial.c.

Referenced by AssemblePacket().

eBackgroundColor

ECOLORS eBackgroundColor =BLACK

Definition at line 60 of file serial.c.

Referenced by ClrLineSerial(), FlushSerial(), and SetBackgroundColorSerial().

eForegroundColor

ECOLORS eForegroundColor =WHITE

Definition at line 60 of file serial.c.

Referenced by ClrLineSerial(), FlushSerial(), and SetForegroundColorSerial().

flush_buffer

UCHAR flush_buffer[_PAGE_SIZE]

Definition at line 56 of file serial.c.

Referenced by FlushSerial(), and PrintGrafSerial().

g_x

UCHAR g_x

Definition at line 56 of file serial.c.

Referenced by FlushSerial(), and PrintGrafSerial().

g_y

UCHAR g_y

Definition at line 56 of file serial.c.

Referenced by FlushSerial(), and PrintGrafSerial().

packet

UCHAR packet[_PAGE_SIZE]

Definition at line 53 of file serial.c.

Referenced by dhcp(), do_packet(), RPCRT4_io_thread(), test_wmreader_interfaces(), testInitializeSecurityContextFlags(), wave_out_play(), wined3d_cs_queue_require_space(), wined3d_cs_queue_submit(), and wined3d_cs_run().

pScreenBufferSerial

PUCHAR pScreenBufferSerial

Definition at line 49 of file serial.c.

Referenced by ConsoleInitSerial(), ConsoleShutdownSerial(), and PrintGrafSerial().

ucLastKeyRead

UCHAR ucLastKeyRead

Definition at line 59 of file serial.c.

Referenced by GetKeyPolledSerial(), and SendPacket().

ulFlushBufferPos

ULONG ulFlushBufferPos = 0

Definition at line 57 of file serial.c.

Referenced by FlushSerial(), and PrintGrafSerial().

usSerialPortBase

USHORT usSerialPortBase

Definition at line 51 of file serial.c.

Referenced by SerialReadByte(), SerialSendByte(), SerialSetOthers(), SerialSetSpeed(), and SetupSerial().

wWindowSerial

WINDOW wWindowSerial[4]

Initial value:

=
{
    {1,3,1,0,FALSE},
    {5,8,1,0,FALSE},
    {14,26,1,0,FALSE},
    {41,18,1,0,FALSE}
}

Definition at line 41 of file serial.c.

Referenced by ConsoleInitSerial().