epoc32/include/d32comm.h
branchSymbian2
changeset 2 2fe1408b6811
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/epoc32/include/d32comm.h	Tue Mar 16 16:12:26 2010 +0000
     1.3 @@ -0,0 +1,572 @@
     1.4 +// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// e32\include\d32comm.h
    1.18 +// 
    1.19 +//
    1.20 +
    1.21 +//#define _DEBUG_DEVCOMM
    1.22 +
    1.23 +/**
    1.24 +@file
    1.25 +@publishedPartner
    1.26 +@released
    1.27 +*/
    1.28 +
    1.29 +#ifndef __D32COMM_H__
    1.30 +#define __D32COMM_H__
    1.31 +#include <e32cmn.h>
    1.32 +#include <e32ver.h>
    1.33 +
    1.34 +/**
    1.35 + Enumeration of number of data bits for serial port configuration.
    1.36 + Typically, these values are used to initialize the iDataBits of 
    1.37 + TCommConfigV01 before calling DComm::Configure() or any other serial
    1.38 + comm API to configure the serial port's databits size.
    1.39 + */
    1.40 +enum TDataBits {EData5,EData6,EData7,EData8};
    1.41 +/**
    1.42 + Enumeration of number of stop bits for serial port configuration.
    1.43 + Typically, these values are used to initialize the iStopBits of 
    1.44 + TCommConfigV01 before calling DComm::Configure() or any other serial
    1.45 + comm API to configure the serial port's stopbits.
    1.46 + */
    1.47 +enum TStopBits {EStop1,EStop2};
    1.48 +/**
    1.49 + Enumeration of types of parity for serial port configuration.
    1.50 + Typically, these values are used to initialize the iParity of 
    1.51 + TCommConfigV01 before calling DComm::Configure() or any other serial
    1.52 + comm API to configure the serial port's parity setting.
    1.53 + */
    1.54 +enum TParity {EParityNone,EParityEven,EParityOdd,EParityMark,EParitySpace};
    1.55 +/**
    1.56 + Enumeration of baud rates in bits per second for serial port configuration.
    1.57 + * e.g EBps115200 is for 115200Bps data rate  
    1.58 + Typically, these values are used to initialize the iRate of TCommConfigV01 
    1.59 + before calling DComm::Configure() or any other serial comm API to configure
    1.60 + the serial port's baud rate.
    1.61 + */
    1.62 +enum TBps
    1.63 +	{
    1.64 +	EBps50,
    1.65 +	EBps75,
    1.66 +	EBps110,
    1.67 +	EBps134,
    1.68 +	EBps150,
    1.69 +	EBps300,
    1.70 +	EBps600,
    1.71 +	EBps1200,
    1.72 +	EBps1800,
    1.73 +	EBps2000,
    1.74 +	EBps2400,
    1.75 +	EBps3600,
    1.76 +	EBps4800,
    1.77 +	EBps7200,
    1.78 +	EBps9600,
    1.79 +	EBps19200,
    1.80 +	EBps38400,
    1.81 +	EBps57600,
    1.82 +	EBps115200,
    1.83 +	EBps230400,
    1.84 +	EBps460800,
    1.85 +	EBps576000,
    1.86 +	EBps1152000,
    1.87 +	EBps4000000,
    1.88 +	EBps921600,
    1.89 +	EBpsAutobaud=0x40000000,
    1.90 +	EBpsSpecial=0x80000000,
    1.91 +	};
    1.92 +/**
    1.93 + Enumeration of Fifo status (enable and disable) for serial port configuration.
    1.94 + Typically, these values are used to initialize the iFifo of TCommConfigV01 
    1.95 + before calling DComm::Configure() or any other serial comm API to configure
    1.96 + the serial port's fifo.
    1.97 + */
    1.98 +enum TFifo
    1.99 +	{
   1.100 +	EFifoEnable,EFifoDisable,
   1.101 +	};
   1.102 +/**
   1.103 + Enumeration of SIR status (enable and disable) for serial comm configuration.
   1.104 + Typically, these values are used to initialize the iSIREnable of TCommConfigV01 
   1.105 + before calling DComm::Configure() or any other serial comm API to configure
   1.106 + the serial port's SIR (infrared) settings.
   1.107 + */
   1.108 +enum TSir 
   1.109 +	{
   1.110 +	ESIREnable,ESIRDisable,
   1.111 +	};
   1.112 +
   1.113 +enum TFlowControl
   1.114 +	{
   1.115 +	EFlowControlOn,EFlowControlOff
   1.116 +	};
   1.117 +//
   1.118 +
   1.119 +const TInt KConfigMaxTerminators=4;
   1.120 +// DTE Constants
   1.121 +const TUint KConfigObeyXoff=0x01;
   1.122 +const TUint KConfigSendXoff=0x02;
   1.123 +const TUint KConfigObeyCTS=0x04;
   1.124 +const TUint KConfigFailCTS=0x08;
   1.125 +const TUint KConfigObeyDSR=0x10;
   1.126 +const TUint KConfigFailDSR=0x20;
   1.127 +const TUint KConfigObeyDCD=0x40;
   1.128 +const TUint KConfigFailDCD=0x80;
   1.129 +const TUint KConfigFreeRTS=0x100;
   1.130 +const TUint KConfigFreeDTR=0x200;
   1.131 +// DCE Constants
   1.132 +const TUint KConfigObeyDTR=0x400;
   1.133 +const TUint KConfigFailDTR=0x800;
   1.134 +const TUint KConfigObeyRTS=0x1000;
   1.135 +const TUint KConfigFailRTS=0x2000;
   1.136 +const TUint KConfigFreeDSR=0x4000;
   1.137 +const TUint KConfigFreeCTS=0x8000;
   1.138 +const TUint KConfigFreeDCD=0x10000;
   1.139 +const TUint KConfigFreeRI=0x20000;
   1.140 +const TUint KConfigWriteBufferedComplete=0x80000000;
   1.141 +//
   1.142 +const TUint KConfigParityErrorFail=0;
   1.143 +const TUint KConfigParityErrorIgnore=0x01;
   1.144 +const TUint KConfigParityErrorReplaceChar=0x02;
   1.145 +const TUint KConfigXonXoffDebug=0x80000000;
   1.146 +//
   1.147 +const TUint KSignalCTS=0x01;
   1.148 +const TUint KSignalDSR=0x02;
   1.149 +const TUint KSignalDCD=0x04;
   1.150 +const TUint KSignalRNG=0x08;
   1.151 +const TUint KSignalRTS=0x10; 
   1.152 +const TUint KSignalDTR=0x20;
   1.153 +const TUint KSignalBreak=0x40;
   1.154 +
   1.155 +const TUint KSignalChanged=0x1000;
   1.156 +const TUint KCTSChanged=KSignalCTS*KSignalChanged;
   1.157 +const TUint KDSRChanged=KSignalDSR*KSignalChanged;
   1.158 +const TUint KDCDChanged=KSignalDCD*KSignalChanged;
   1.159 +const TUint KRNGChanged=KSignalRNG*KSignalChanged;
   1.160 +const TUint KRTSChanged=KSignalRTS*KSignalChanged;
   1.161 +const TUint KDTRChanged=KSignalDTR*KSignalChanged;
   1.162 +const TUint KBreakChanged=KSignalBreak*KSignalChanged;
   1.163 +
   1.164 +const TUint KSignalDTEOutputs=KSignalRTS|KSignalDTR;
   1.165 +const TUint KSignalDTEInputs=KSignalCTS|KSignalDSR|KSignalDCD|KSignalRNG;
   1.166 +const TUint KSignalDCEInputs=KSignalDTEOutputs;
   1.167 +const TUint KSignalDCEOutputs=KSignalDTEInputs;
   1.168 +
   1.169 +const TUint KConfigSIRPulseWidthMaximum=0x01;
   1.170 +const TUint KConfigSIRPulseWidthMinimum=0x02;
   1.171 +
   1.172 +// more SIRSettings for selecting the IR range
   1.173 +const TUint KConfigSIRShutDown=0x10;
   1.174 +const TUint KConfigSIRMinimumRange=0x20;
   1.175 +const TUint KConfigSIRMediumRange=0x40;
   1.176 +const TUint KConfigSIRMaximumRange=0x80;
   1.177 +
   1.178 +/**
   1.179 + Comms configuration structure.
   1.180 + Class to hold the configuration settings for serial comm port
   1.181 + 
   1.182 + This class provides the serial port configuration block interface of serial comms (c32).
   1.183 + A serial comm client sets up a serial port before use, by providing a configuration block. 
   1.184 + TCommConfigV01 is initialized with settings for serial port and used to configure the 
   1.185 + serial port by calling DComm::Configure(TCommConfigV01 &aConfig) or any other serial comm 
   1.186 + API to configure the serial port.
   1.187 + */
   1.188 +class TCommConfigV01
   1.189 +    {
   1.190 +public:
   1.191 +	/** 
   1.192 +	 Data rate in bits per second.
   1.193 +	 @see TBps 	
   1.194 +	 */
   1.195 +	TBps iRate;
   1.196 +	/** 
   1.197 +	 Character width in bits.
   1.198 +	 @see TDataBits
   1.199 +	 */	
   1.200 +	TDataBits iDataBits;
   1.201 +	/**
   1.202 +	 Number of stop bits.
   1.203 +	 @see TStopBits
   1.204 +	 */
   1.205 +	TStopBits iStopBits;
   1.206 +	/**
   1.207 +	 Type of parity.
   1.208 +	 @see TParity 
   1.209 +	 */
   1.210 +	TParity iParity;
   1.211 +	/**
   1.212 +	 Type of Handshaking control.
   1.213 +	 Possible values can be KConfigObeyXXX or KConfigSendXXX or KConfigFailXXX or KConfigFreeXXX
   1.214 +	 */
   1.215 +	TUint iHandshake;
   1.216 +	/**
   1.217 +	 Type of error to generate on a parity failure.
   1.218 +	 Possible values can be KConfigParityErrorFail or KConfigParityErrorIgnore or KConfigParityErrorReplaceChar
   1.219 +	 */
   1.220 +	TUint iParityError;
   1.221 +	/**
   1.222 +	 FIFO status, enabled or disabled.
   1.223 +	 @see TFifo 
   1.224 +	 */
   1.225 +	TUint iFifo;
   1.226 +	/**
   1.227 +	 Special data rate, not listed under TBps. Use this, when iRate is set to EBpsSpecial 
   1.228 +	 */
   1.229 +	TInt iSpecialRate;
   1.230 +	/**
   1.231 +	 Count of number of special characters used as terminators (<=KConfigMaxTerminators) 
   1.232 +	 */				
   1.233 +	TInt iTerminatorCount;
   1.234 +	/**
   1.235 +	 Array of special characters which can be used as terminators 
   1.236 +	 */
   1.237 +	TText8 iTerminator[KConfigMaxTerminators];
   1.238 +	/**
   1.239 +	 Character used to signal the transmitter to resume sending when using XON/XOFF handshaking
   1.240 +	 i.e character used as XON - software flow control
   1.241 +	 */
   1.242 +	TText8 iXonChar;
   1.243 +	/**
   1.244 +	 Character used to signal the transmitter to suspend sending when using XON/XOFF handshaking
   1.245 +	 i.e character used as XOFF - software flow control
   1.246 +	 */
   1.247 +	TText8 iXoffChar;
   1.248 +	/**
   1.249 +	 Character used to replace the characters received with a parity error.
   1.250 +	 This is used when iParityError is set to KConfigParityErrorReplaceChar 
   1.251 +	 */	
   1.252 +	TText8 iParityErrorChar;
   1.253 +	/**
   1.254 +	 Switch the SIR encoding hardware on and off.
   1.255 +	 @see TSir
   1.256 +	 */
   1.257 +	TSir iSIREnable;
   1.258 +	/**
   1.259 +	 SIR hardware control setting. Possible value can be one of KConfigSIRXXX
   1.260 +	 */
   1.261 +	TUint iSIRSettings;
   1.262 +	};
   1.263 +/** 
   1.264 + Package buffer for a TCommConfigV01 object.
   1.265 + 
   1.266 + TCommConfig packages the comms configuration structure TCommConfigV01 to a buffer. 
   1.267 + This is used with API of serial comms like RComm::Config(TDes8 &aConfig) and 
   1.268 + RComm::SetConfig(TDesC8 &aConfig) where config structure is passed as buffer.
   1.269 + 
   1.270 + @see TCommConfigV01
   1.271 + */		
   1.272 +typedef TPckgBuf<TCommConfigV01> TCommConfig;
   1.273 +
   1.274 +// TCommConfigV02 is deprecated.
   1.275 +//
   1.276 +class TCommConfigV02: public TCommConfigV01
   1.277 +	{
   1.278 +public:		
   1.279 +	TInt iTxShutdownTimeout;
   1.280 +	};
   1.281 +
   1.282 +// TCommConfig2 is deprecated
   1.283 +// 
   1.284 +typedef TPckgBuf<TCommConfigV02> TCommConfig2;
   1.285 +
   1.286 +//
   1.287 +const TUint KCapsBps50=0x00000001;
   1.288 +const TUint KCapsBps75=0x00000002;
   1.289 +const TUint KCapsBps110=0x00000004;
   1.290 +const TUint KCapsBps134=0x00000008;
   1.291 +const TUint KCapsBps150=0x00000010;
   1.292 +const TUint KCapsBps300=0x00000020;
   1.293 +const TUint KCapsBps600=0x00000040;
   1.294 +const TUint KCapsBps1200=0x00000080;
   1.295 +const TUint KCapsBps1800=0x00000100;
   1.296 +const TUint KCapsBps2000=0x00000200;
   1.297 +const TUint KCapsBps2400=0x00000400;
   1.298 +const TUint KCapsBps3600=0x00000800;
   1.299 +const TUint KCapsBps4800=0x00001000;
   1.300 +const TUint KCapsBps7200=0x00002000;
   1.301 +const TUint KCapsBps9600=0x00004000;
   1.302 +const TUint KCapsBps19200=0x00008000;
   1.303 +const TUint KCapsBps38400=0x00010000;
   1.304 +const TUint KCapsBps57600=0x00020000;
   1.305 +const TUint KCapsBps115200=0x00040000;
   1.306 +const TUint KCapsBps230400=0x00080000;
   1.307 +const TUint KCapsBps460800=0x00100000;
   1.308 +const TUint KCapsBps576000 =0x00200000;
   1.309 +const TUint KCapsBps1152000=0x00400000;
   1.310 +const TUint KCapsBps4000000=0x00800000;
   1.311 +const TUint KCapsBps921600=0x01000000;
   1.312 +const TUint KCapsBpsAutobaud=0x40000000;
   1.313 +const TUint KCapsBpsSpecial=0x80000000;
   1.314 +//
   1.315 +const TUint KCapsData5=0x01;
   1.316 +const TUint KCapsData6=0x02;
   1.317 +const TUint KCapsData7=0x04;
   1.318 +const TUint KCapsData8=0x08;
   1.319 +//
   1.320 +const TUint KCapsStop1=0x01;
   1.321 +const TUint KCapsStop2=0x02;
   1.322 +//
   1.323 +const TUint KCapsParityNone=0x01;
   1.324 +const TUint KCapsParityEven=0x02;
   1.325 +const TUint KCapsParityOdd=0x04;
   1.326 +const TUint KCapsParityMark=0x08;
   1.327 +const TUint KCapsParitySpace=0x10;
   1.328 +//
   1.329 +const TUint KCapsSignalCTSSupported=0x01;
   1.330 +const TUint KCapsSignalDSRSupported=0x02;
   1.331 +const TUint KCapsSignalDCDSupported=0x04;
   1.332 +const TUint KCapsSignalRNGSupported=0x08;
   1.333 +const TUint KCapsSignalRTSSupported=0x10;
   1.334 +const TUint KCapsSignalDTRSupported=0x20;
   1.335 +//
   1.336 +const TUint KCapsObeyXoffSupported=0x01;
   1.337 +const TUint KCapsSendXoffSupported=0x02;
   1.338 +const TUint KCapsObeyCTSSupported=0x04;
   1.339 +const TUint KCapsFailCTSSupported=0x08;
   1.340 +const TUint KCapsObeyDSRSupported=0x10;
   1.341 +const TUint KCapsFailDSRSupported=0x20;
   1.342 +const TUint KCapsObeyDCDSupported=0x40;
   1.343 +const TUint KCapsFailDCDSupported=0x80;
   1.344 +const TUint KCapsFreeRTSSupported=0x100;
   1.345 +const TUint KCapsFreeDTRSupported=0x200;
   1.346 +// DCE Constants
   1.347 +const TUint KCapsObeyRTSSupported=0x400;
   1.348 +const TUint KCapsObeyDTRSupported=0x800;
   1.349 +//
   1.350 +const TUint KCapsHasFifo=0x01;
   1.351 +//
   1.352 +const TUint KCapsSIR115kbps=0x01;
   1.353 +const TUint KCapsSIR2400bpsOnly=0x02;
   1.354 +const TUint KCapsSIR4Mbs=0x04;
   1.355 +//
   1.356 +const TUint KNotifySignalsChangeSupported=0x01;
   1.357 +const TUint KNotifyRateChangeSupported=0x02;
   1.358 +const TUint KNotifyDataFormatChangeSupported=0x04;
   1.359 +const TUint KNotifyHandshakeChangeSupported=0x08;
   1.360 +const TUint KNotifyBreakSupported=0x10;
   1.361 +const TUint KNotifyFlowControlChangeSupported=0x20;
   1.362 +const TUint KNotifyDataAvailableSupported=0x40;
   1.363 +const TUint KNotifyOutputEmptySupported=0x80;
   1.364 +//
   1.365 +const TUint KCapsRoleSwitchSupported=0x01;
   1.366 +//
   1.367 +const TUint KCapsFlowControlStatusSupported=0x01;
   1.368 +//
   1.369 +const TUint KRateChanged=0x01;
   1.370 +const TUint KDataFormatChanged=0x02;
   1.371 +const TUint KHandshakeChanged=0x04;
   1.372 +//
   1.373 +class TCommCapsV01
   1.374 +	{
   1.375 +public:
   1.376 +	TUint iRate;
   1.377 +	TUint iDataBits;
   1.378 +	TUint iStopBits;
   1.379 +	TUint iParity;
   1.380 +	TUint iHandshake;
   1.381 +	TUint iSignals;
   1.382 +	TUint iFifo;
   1.383 +	TUint iSIR;
   1.384 +	};
   1.385 +typedef TPckgBuf<TCommCapsV01> TCommCaps;
   1.386 +
   1.387 +class TCommCapsV02 : public TCommCapsV01
   1.388 +	{
   1.389 +public:
   1.390 +	TUint iNotificationCaps;
   1.391 +	TUint iRoleCaps;
   1.392 +	TUint iFlowControlCaps;
   1.393 +	};
   1.394 +typedef TPckgBuf<TCommCapsV02> TCommCaps2;
   1.395 +
   1.396 +class TCommCapsV03 : public TCommCapsV02
   1.397 +	{
   1.398 +public:
   1.399 +	TBool iBreakSupported;
   1.400 +	};
   1.401 +typedef TPckgBuf<TCommCapsV03> TCommCaps3;
   1.402 +
   1.403 +//
   1.404 +class TCapsDevCommV01
   1.405 +	{
   1.406 +public:
   1.407 +	TVersion version;
   1.408 +	};
   1.409 +
   1.410 +class TCommNotificationV01
   1.411 +	{
   1.412 +public:
   1.413 +	TUint iChangedMembers;
   1.414 +	TBps iRate;
   1.415 +	TDataBits iDataBits;
   1.416 +	TStopBits iStopBits;
   1.417 +	TParity iParity;
   1.418 +	TUint iHandshake;
   1.419 +	};
   1.420 +typedef TPckgBuf<TCommNotificationV01> TCommNotificationPckg;
   1.421 +//
   1.422 +const TUint KDataAvailableNotifyFlag=0x80000000;
   1.423 +//
   1.424 +#ifdef _DEBUG_DEVCOMM
   1.425 +class TCommDebugInfo
   1.426 +	{
   1.427 +public:
   1.428 +	TBool iRxBusy;
   1.429 +	TBool iRxHeld;
   1.430 +	TInt iRxLength;
   1.431 +	TInt iRxOffset;
   1.432 +	TInt iRxIntCount;
   1.433 +	TInt iRxErrCount;
   1.434 +	TInt iRxBufCount;
   1.435 +	TBool iTxBusy;
   1.436 +	TBool iTxHeld;
   1.437 +	TInt iTxLength;
   1.438 +	TInt iTxOffset;
   1.439 +	TInt iTxIntCount;
   1.440 +	TInt iTxErrCount;
   1.441 +	TInt iTxBufCount;
   1.442 +	TBool iDrainingRxBuf;
   1.443 +	TBool iFillingTxBuf;
   1.444 +	TBool iRunningDfc;
   1.445 +	TInt iDfcCount;
   1.446 +	TInt iDfcReqSeq;
   1.447 +	TInt iDfcHandlerSeq;
   1.448 +	TInt iDoDrainSeq;
   1.449 +	TBool iTxDfcPend;
   1.450 +	TBool iRxDfcPend;
   1.451 +	TInt iTxChars, iRxChars;
   1.452 +	TInt iTxXon, iTxXoff, iRxXon, iRxXoff;
   1.453 +	};
   1.454 +typedef TPckgBuf<TCommDebugInfo> TCommDebugInfoPckg;
   1.455 +#endif
   1.456 +//
   1.457 +class RBusDevComm : public RBusLogicalChannel
   1.458 +	{
   1.459 +public:
   1.460 +	enum TVer {EMajorVersionNumber=1,EMinorVersionNumber=0,EBuildVersionNumber=KE32BuildVersionNumber};
   1.461 +	enum TRequest
   1.462 +		{
   1.463 +		ERequestRead=0x0,ERequestReadCancel=0x1,
   1.464 +		ERequestWrite=0x1,ERequestWriteCancel=0x2,
   1.465 +		ERequestBreak=0x2,ERequestBreakCancel=0x4,
   1.466 +		ERequestNotifySignalChange=0x3,ERequestNotifySignalChangeCancel=0x8,
   1.467 +		};
   1.468 +	enum TControl
   1.469 +		{
   1.470 +		EControlConfig,EControlSetConfig,EControlCaps,
   1.471 +		EControlSignals,EControlSetSignals,
   1.472 +		EControlQueryReceiveBuffer,EControlResetBuffers,
   1.473 +		EControlReceiveBufferLength,EControlSetReceiveBufferLength,
   1.474 +		EControlMinTurnaroundTime,EControlSetMinTurnaroundTime,
   1.475 +#ifdef _DEBUG_DEVCOMM
   1.476 +		EControlDebugInfo
   1.477 +#endif
   1.478 +		};
   1.479 +public:
   1.480 +#ifndef __KERNEL_MODE__
   1.481 +	inline TInt Open(TInt aUnit);
   1.482 +	inline TVersion VersionRequired() const;
   1.483 +	inline void Read(TRequestStatus &aStatus,TDes8 &aDes);
   1.484 +	inline void Read(TRequestStatus &aStatus,TDes8 &aDes,TInt aLength);
   1.485 +	inline void ReadOneOrMore(TRequestStatus &aStatus,TDes8 &aDes);
   1.486 +	inline void ReadCancel();
   1.487 +	inline void Write(TRequestStatus &aStatus,const TDesC8 &aDes);
   1.488 +	inline void Write(TRequestStatus &aStatus,const TDesC8 &aDes,TInt aLength);
   1.489 +	inline void WriteCancel();
   1.490 +	inline void Break(TRequestStatus &aStatus,TInt aTime);
   1.491 +	inline void BreakCancel();
   1.492 +	inline void Config(TDes8 &aConfig);
   1.493 +	inline TInt SetConfig(const TDesC8 &aConfig);
   1.494 +	inline void Caps(TDes8 &aCaps);
   1.495 +	inline TUint Signals();
   1.496 +	inline void SetSignals(TUint aSetMask,TUint aClearMask);
   1.497 +	inline TInt QueryReceiveBuffer();
   1.498 +	inline void ResetBuffers();
   1.499 +	inline TInt ReceiveBufferLength();
   1.500 +	inline TInt SetReceiveBufferLength(TInt aLength);
   1.501 +	inline void NotifySignalChange(TRequestStatus& aStatus,TUint& aSignals,TUint aSignalMask=0x3F);
   1.502 +	inline void NotifySignalChangeCancel();
   1.503 +	inline void NotifyReceiveDataAvailable(TRequestStatus& aStatus);
   1.504 +	inline void NotifyReceiveDataAvailableCancel();
   1.505 +	inline TUint MinTurnaroundTime();
   1.506 +	inline TInt SetMinTurnaroundTime(TUint aMicroSeconds);
   1.507 +#ifdef _DEBUG_DEVCOMM
   1.508 +	inline void DebugInfo(TDes8 &aInfo);
   1.509 +#endif
   1.510 +#endif
   1.511 +	};
   1.512 +
   1.513 +class RBusDevCommDCE : public RBusLogicalChannel
   1.514 +	{
   1.515 +public:
   1.516 +	enum TVer {EMajorVersionNumber=1,EMinorVersionNumber=0,EBuildVersionNumber=KE32BuildVersionNumber};
   1.517 +	enum TRequest
   1.518 +		{
   1.519 +		ERequestRead=0x0,ERequestReadCancel=0x1,
   1.520 +		ERequestWrite=0x1,ERequestWriteCancel=0x2,
   1.521 +		ERequestBreak=0x2,ERequestBreakCancel=0x4,
   1.522 +		ERequestNotifySignalChange=0x3,ERequestNotifySignalChangeCancel=0x8,
   1.523 +		ERequestNotifyFlowControlChange=0x4,ERequestNotifyFlowControlChangeCancel=0x10,
   1.524 +		ERequestNotifyConfigChange=0x5,ERequestNotifyConfigChangeCancel=0x20
   1.525 +		};
   1.526 +	enum TControl
   1.527 +		{
   1.528 +		EControlConfig,EControlSetConfig,EControlCaps,
   1.529 +		EControlSignals,EControlSetSignals,
   1.530 +		EControlQueryReceiveBuffer,EControlResetBuffers,
   1.531 +		EControlReceiveBufferLength,EControlSetReceiveBufferLength,
   1.532 +		EControlFlowControlStatus,
   1.533 +#ifdef _DEBUG_DEVCOMM
   1.534 +		EControlDebugInfo
   1.535 +#endif
   1.536 +		};
   1.537 +public:
   1.538 +#ifndef __KERNEL_MODE__
   1.539 +	inline TInt Open(TInt aUnit);
   1.540 +	inline TVersion VersionRequired() const;
   1.541 +	inline void Read(TRequestStatus &aStatus,TDes8 &aDes);
   1.542 +	inline void Read(TRequestStatus &aStatus,TDes8 &aDes,TInt aLength);
   1.543 +	inline void ReadOneOrMore(TRequestStatus &aStatus,TDes8 &aDes);
   1.544 +	inline void ReadCancel();
   1.545 +	inline void Write(TRequestStatus &aStatus,const TDesC8 &aDes);
   1.546 +	inline void Write(TRequestStatus &aStatus,const TDesC8 &aDes,TInt aLength);
   1.547 +	inline void WriteCancel();
   1.548 +	inline void Break(TRequestStatus &aStatus,TInt aTime);
   1.549 +	inline void BreakCancel();
   1.550 +	inline void Config(TDes8 &aConfig);
   1.551 +	inline TInt SetConfig(const TDesC8 &aConfig);
   1.552 +	inline void Caps(TDes8 &aCaps);
   1.553 +	inline TUint Signals();
   1.554 +	inline void SetSignals(TUint aSetMask,TUint aClearMask);
   1.555 +	inline TInt QueryReceiveBuffer();
   1.556 +	inline void ResetBuffers();
   1.557 +	inline TInt ReceiveBufferLength();
   1.558 +	inline TInt SetReceiveBufferLength(TInt aLength);
   1.559 +	inline void NotifySignalChange(TRequestStatus& aStatus,TUint& aSignals,TUint aSignalMask=0x3F);
   1.560 +	inline void NotifySignalChangeCancel();
   1.561 +	inline void NotifyReceiveDataAvailable(TRequestStatus& aStatus);
   1.562 +	inline void NotifyReceiveDataAvailableCancel();
   1.563 +	inline void NotifyFlowControlChange(TRequestStatus& aStatus);
   1.564 +	inline void NotifyFlowControlChangeCancel();
   1.565 +	inline void GetFlowControlStatus(TFlowControl& aFlowControl);
   1.566 +	inline void NotifyConfigChange(TRequestStatus& aStatus, TDes8& aNewConfig);
   1.567 +	inline void NotifyConfigChangeCancel();
   1.568 +#ifdef _DEBUG_DEVCOMM
   1.569 +	inline void DebugInfo(TDes8 &aInfo);
   1.570 +#endif
   1.571 +#endif
   1.572 +	};
   1.573 +
   1.574 +#include <d32comm.inl>
   1.575 +#endif