Leaked source code of windows server 2003
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/*****************************************************************************
*
* Copyright (c) 1999 Microsoft Corporation
*
* @doc
* @module TEMIC.c | IrSIR NDIS Miniport Driver
* @comm
*
*-----------------------------------------------------------------------------
*
* Author: Stan Adermann (stana)
*
* Date: 12/17/1997 (created)
*
* Contents: TEMIC dongle specific code for initialization,
* deinit, and setting the baud rate of the device.
*
*****************************************************************************/
#include "irsir.h"
#include "dongle.h"
#define TEMIC_IRDA_SPEEDS ( \
NDIS_IRDA_SPEED_2400 | \
NDIS_IRDA_SPEED_9600 | \
NDIS_IRDA_SPEED_19200 | \
NDIS_IRDA_SPEED_38400 | \
NDIS_IRDA_SPEED_57600 | \
NDIS_IRDA_SPEED_115200 \
)
NDIS_STATUS
TEMIC_QueryCaps(
OUT PDONGLE_CAPABILITIES pDongleCaps
)
{
DEBUGMSG(DBG_FUNC, ("+TEMIC_Init\n"));
ASSERT(pDongleCaps != NULL);
pDongleCaps->supportedSpeedsMask = TEMIC_IRDA_SPEEDS;
pDongleCaps->turnAroundTime_usec = 1000;
pDongleCaps->extraBOFsRequired = 0;
DEBUGMSG(DBG_FUNC, ("-TEMIC_Init\n"));
return NDIS_STATUS_SUCCESS;
}
/*****************************************************************************
*
* Function: TEMIC_Init
*
* Synopsis: Initialize the TEMIC dongle.
*
* Arguments:
*
* Returns: NDIS_STATUS_SUCCESS
* DONGLE_CAPABILITIES
*
* Algorithm:
*
* History: dd-mm-yyyy Author Comment
* 10/2/1996 sholden author
*
* Notes:
*
*****************************************************************************/
NDIS_STATUS
TEMIC_Init(
IN PDEVICE_OBJECT pSerialDevObj
)
{
DEBUGMSG(DBG_FUNC, ("+TEMIC_Init\n"));
TEMIC_SetSpeed(pSerialDevObj, 9600, 0); // This calls reset
DEBUGMSG(DBG_FUNC, ("-TEMIC_Init\n"));
return NDIS_STATUS_SUCCESS;
}
/*****************************************************************************
*
* Function: TEMIC_Deinit
*
* Synopsis: The TEMIC dongle doesn't require any special deinit, but for
* purposes of being symmetrical with other dongles...
*
* Arguments:
*
* Returns:
*
* Algorithm:
*
* History: dd-mm-yyyy Author Comment
* 10/2/1996 sholden author
*
* Notes:
*
*
*****************************************************************************/
VOID
TEMIC_Deinit(
IN PDEVICE_OBJECT pSerialDevObj
)
{
DEBUGMSG(DBG_FUNC, ("+TEMIC_Deinit\n"));
(void)SerialClrDTR(pSerialDevObj);
(void)SerialClrRTS(pSerialDevObj);
DEBUGMSG(DBG_FUNC, ("-TEMIC_Deinit\n"));
return;
}
/*****************************************************************************
*
* Function: TEMIC_SetSpeed
*
* Synopsis: set the baud rate of the TEMIC dongle
*
* Arguments:
*
* Returns: NDIS_STATUS_SUCCESS if bitsPerSec = 9600 || 19200 || 115200
* NDIS_STATUS_FAILURE otherwise
*
* Algorithm:
*
* History: dd-mm-yyyy Author Comment
* 10/2/1996 sholden author
*
* Notes:
* The caller of this function should set the baud rate of the
* serial driver (UART) to 9600 first to ensure that dongle
* receives the commands.
*
*
*****************************************************************************/
NDIS_STATUS
TEMIC_SetSpeed(
IN PDEVICE_OBJECT pSerialDevObj,
IN UINT bitsPerSec,
IN UINT currentSpeed
)
{
UCHAR ControlByte;
ULONG BytesWritten;
ULONG Baud9600 = 9600;
DEBUGMSG(DBG_FUNC, ("+TEMIC_SetSpeed\n"));
if (bitsPerSec==currentSpeed)
{
return NDIS_STATUS_SUCCESS;
}
switch (bitsPerSec){
case 2400: ControlByte = 0x1a; break;
case 9600: ControlByte = 0x16; break;
case 19200: ControlByte = 0x13; break;
case 38400: ControlByte = 0x12; break;
case 57600: ControlByte = 0x11; break;
case 115200: ControlByte = 0x10; break;
default:
/*
* Illegal speed
*/
return NDIS_STATUS_FAILURE;
}
(void)SerialPurge(pSerialDevObj);
(void)SerialSetBaudRate(pSerialDevObj, &Baud9600);
(void)SerialSetRTS(pSerialDevObj);
(void)SerialClrDTR(pSerialDevObj);
NdisMSleep(10000);
(void)SerialSetDTR(pSerialDevObj);
NdisMSleep(1000);
(void)SerialClrDTR(pSerialDevObj);
NdisMSleep(1000);
// Program mode
(void)SerialClrRTS(pSerialDevObj);
NdisMSleep(1000);
(void)SerialSynchronousWrite(pSerialDevObj,
&ControlByte,
1,
&BytesWritten);
NdisMSleep(10000);
(void)SerialSetRTS(pSerialDevObj);
NdisMSleep(5000);
DEBUGMSG(DBG_FUNC, ("-TEMIC_SetSpeed\n"));
return NDIS_STATUS_SUCCESS;
}