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/*****************************************************************************
* * Copyright (c) 1997-1999 Microsoft Corporation * * @doc * @module TEKRAM.c | IrSIR NDIS Miniport Driver * @comm * *----------------------------------------------------------------------------- * * Author: Stan Adermann (stana) * * Date: 12/17/1997 (created) * * Contents: TEKRAM IR-210B dongle specific code for initialization, * deinit, and setting the baud rate of the device. * *****************************************************************************/
#include "irsir.h"
#include "dongle.h"
#define TEKRAM_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 TEKRAM_Reset(IN PDEVICE_OBJECT pSerialDevObj) { DEBUGMSG(DBG_FUNC, ("+TEKRAM_Reset\n"));
(void)SerialClrDTR(pSerialDevObj); (void)SerialClrRTS(pSerialDevObj); NdisMSleep(50000); (void)SerialSetRTS(pSerialDevObj); NdisMSleep(50000); (void)SerialSetDTR(pSerialDevObj); NdisMSleep(50000);
DEBUGMSG(DBG_FUNC, ("-TEKRAM_Reset\n"));
return NDIS_STATUS_SUCCESS; }
void TEKRAM_WriteCommand( IN PDEVICE_OBJECT pSerialDevObj, IN UCHAR Command) { ULONG BytesWritten; (void)SerialSetDTR(pSerialDevObj); (void)SerialClrRTS(pSerialDevObj); NdisMSleep(2000); (void)SerialSynchronousWrite(pSerialDevObj, &Command, 1, &BytesWritten); NdisMSleep(20000); (void)SerialSetDTR(pSerialDevObj); (void)SerialSetRTS(pSerialDevObj); NdisMSleep(5000); }
NDIS_STATUS TEKRAM_QueryCaps( OUT PDONGLE_CAPABILITIES pDongleCaps ) { DEBUGMSG(DBG_FUNC, ("+TEKRAM_Init\n"));
ASSERT(pDongleCaps != NULL);
pDongleCaps->supportedSpeedsMask = TEKRAM_IRDA_SPEEDS; pDongleCaps->turnAroundTime_usec = 100; pDongleCaps->extraBOFsRequired = 0;
DEBUGMSG(DBG_FUNC, ("-TEKRAM_Init\n"));
return NDIS_STATUS_SUCCESS;
}
/*****************************************************************************
* * Function: TEKRAM_Init * * Synopsis: Initialize the TEKRAM dongle. * * Arguments: * * Returns: NDIS_STATUS_SUCCESS * DONGLE_CAPABILITIES * * Algorithm: * * History: dd-mm-yyyy Author Comment * 10/2/1996 sholden author * * Notes: * *****************************************************************************/
NDIS_STATUS TEKRAM_Init( IN PDEVICE_OBJECT pSerialDevObj ) { DEBUGMSG(DBG_FUNC, ("+TEKRAM_Init\n"));
TEKRAM_SetSpeed(pSerialDevObj, 9600, 0); // This calls reset
DEBUGMSG(DBG_FUNC, ("-TEKRAM_Init\n"));
return NDIS_STATUS_SUCCESS;
}
/*****************************************************************************
* * Function: TEKRAM_Deinit * * Synopsis: The TEKRAM 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 TEKRAM_Deinit( IN PDEVICE_OBJECT pSerialDevObj ) { DEBUGMSG(DBG_FUNC, ("+TEKRAM_Deinit\n"));
(void)SerialClrDTR(pSerialDevObj); (void)SerialClrRTS(pSerialDevObj);
DEBUGMSG(DBG_FUNC, ("-TEKRAM_Deinit\n")); return; }
/*****************************************************************************
* * Function: TEKRAM_SetSpeed * * Synopsis: set the baud rate of the TEKRAM 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 TEKRAM_SetSpeed( IN PDEVICE_OBJECT pSerialDevObj, IN UINT bitsPerSec, IN UINT currentSpeed ) { UCHAR ControlByte; ULONG BytesWritten; ULONG Baud9600 = 9600;
DEBUGMSG(DBG_FUNC, ("+TEKRAM_SetSpeed\n"));
if (bitsPerSec==currentSpeed) { return NDIS_STATUS_SUCCESS; }
(void)SerialPurge(pSerialDevObj); (void)SerialSetBaudRate(pSerialDevObj, &Baud9600); NdisMSleep(10000);
TEKRAM_Reset(pSerialDevObj);
switch (bitsPerSec){ case 2400: ControlByte = 0x18; break; case 9600: ControlByte = 0x14; 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; }
TEKRAM_WriteCommand(pSerialDevObj, 0x14); TEKRAM_WriteCommand(pSerialDevObj, ControlByte);
DEBUGMSG(DBG_FUNC, ("-TEKRAM_SetSpeed\n"));
return NDIS_STATUS_SUCCESS; }
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