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1 // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // 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 |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // e32\include\d32comm.h |
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15 // |
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16 // |
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17 |
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18 //#define _DEBUG_DEVCOMM |
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19 |
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20 /** |
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21 @file |
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22 @publishedPartner |
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23 @released |
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24 */ |
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25 |
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26 #ifndef __D32COMM_H__ |
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27 #define __D32COMM_H__ |
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28 #include <e32cmn.h> |
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29 #include <e32ver.h> |
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30 |
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31 /** |
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32 Enumeration of number of data bits for serial port configuration. |
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33 Typically, these values are used to initialize the iDataBits of |
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34 TCommConfigV01 before calling DComm::Configure() or any other serial |
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35 comm API to configure the serial port's databits size. |
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36 */ |
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37 enum TDataBits {EData5,EData6,EData7,EData8}; |
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38 /** |
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39 Enumeration of number of stop bits for serial port configuration. |
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40 Typically, these values are used to initialize the iStopBits of |
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41 TCommConfigV01 before calling DComm::Configure() or any other serial |
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42 comm API to configure the serial port's stopbits. |
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43 */ |
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44 enum TStopBits {EStop1,EStop2}; |
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45 /** |
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46 Enumeration of types of parity for serial port configuration. |
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47 Typically, these values are used to initialize the iParity of |
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48 TCommConfigV01 before calling DComm::Configure() or any other serial |
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49 comm API to configure the serial port's parity setting. |
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50 */ |
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51 enum TParity {EParityNone,EParityEven,EParityOdd,EParityMark,EParitySpace}; |
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52 /** |
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53 Enumeration of baud rates in bits per second for serial port configuration. |
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54 * e.g EBps115200 is for 115200Bps data rate |
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55 Typically, these values are used to initialize the iRate of TCommConfigV01 |
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56 before calling DComm::Configure() or any other serial comm API to configure |
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57 the serial port's baud rate. |
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58 */ |
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59 enum TBps |
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60 { |
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61 EBps50, |
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62 EBps75, |
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63 EBps110, |
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64 EBps134, |
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65 EBps150, |
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66 EBps300, |
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67 EBps600, |
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68 EBps1200, |
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69 EBps1800, |
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70 EBps2000, |
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71 EBps2400, |
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72 EBps3600, |
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73 EBps4800, |
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74 EBps7200, |
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75 EBps9600, |
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76 EBps19200, |
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77 EBps38400, |
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78 EBps57600, |
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79 EBps115200, |
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80 EBps230400, |
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81 EBps460800, |
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82 EBps576000, |
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83 EBps1152000, |
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84 EBps4000000, |
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85 EBps921600, |
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86 EBpsAutobaud=0x40000000, |
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87 EBpsSpecial=0x80000000, |
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88 }; |
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89 /** |
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90 Enumeration of Fifo status (enable and disable) for serial port configuration. |
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91 Typically, these values are used to initialize the iFifo of TCommConfigV01 |
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92 before calling DComm::Configure() or any other serial comm API to configure |
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93 the serial port's fifo. |
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94 */ |
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95 enum TFifo |
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96 { |
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97 EFifoEnable,EFifoDisable, |
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98 }; |
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99 /** |
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100 Enumeration of SIR status (enable and disable) for serial comm configuration. |
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101 Typically, these values are used to initialize the iSIREnable of TCommConfigV01 |
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102 before calling DComm::Configure() or any other serial comm API to configure |
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103 the serial port's SIR (infrared) settings. |
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104 */ |
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105 enum TSir |
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106 { |
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107 ESIREnable,ESIRDisable, |
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108 }; |
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109 |
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110 enum TFlowControl |
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111 { |
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112 EFlowControlOn,EFlowControlOff |
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113 }; |
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114 // |
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115 |
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116 const TInt KConfigMaxTerminators=4; |
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117 // DTE Constants |
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118 const TUint KConfigObeyXoff=0x01; |
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119 const TUint KConfigSendXoff=0x02; |
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120 const TUint KConfigObeyCTS=0x04; |
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121 const TUint KConfigFailCTS=0x08; |
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122 const TUint KConfigObeyDSR=0x10; |
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123 const TUint KConfigFailDSR=0x20; |
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124 const TUint KConfigObeyDCD=0x40; |
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125 const TUint KConfigFailDCD=0x80; |
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126 const TUint KConfigFreeRTS=0x100; |
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127 const TUint KConfigFreeDTR=0x200; |
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128 // DCE Constants |
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129 const TUint KConfigObeyDTR=0x400; |
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130 const TUint KConfigFailDTR=0x800; |
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131 const TUint KConfigObeyRTS=0x1000; |
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132 const TUint KConfigFailRTS=0x2000; |
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133 const TUint KConfigFreeDSR=0x4000; |
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134 const TUint KConfigFreeCTS=0x8000; |
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135 const TUint KConfigFreeDCD=0x10000; |
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136 const TUint KConfigFreeRI=0x20000; |
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137 const TUint KConfigWriteBufferedComplete=0x80000000; |
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138 // |
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139 const TUint KConfigParityErrorFail=0; |
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140 const TUint KConfigParityErrorIgnore=0x01; |
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141 const TUint KConfigParityErrorReplaceChar=0x02; |
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142 const TUint KConfigXonXoffDebug=0x80000000; |
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143 // |
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144 const TUint KSignalCTS=0x01; |
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145 const TUint KSignalDSR=0x02; |
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146 const TUint KSignalDCD=0x04; |
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147 const TUint KSignalRNG=0x08; |
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148 const TUint KSignalRTS=0x10; |
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149 const TUint KSignalDTR=0x20; |
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150 const TUint KSignalBreak=0x40; |
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151 |
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152 const TUint KSignalChanged=0x1000; |
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153 const TUint KCTSChanged=KSignalCTS*KSignalChanged; |
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154 const TUint KDSRChanged=KSignalDSR*KSignalChanged; |
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155 const TUint KDCDChanged=KSignalDCD*KSignalChanged; |
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156 const TUint KRNGChanged=KSignalRNG*KSignalChanged; |
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157 const TUint KRTSChanged=KSignalRTS*KSignalChanged; |
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158 const TUint KDTRChanged=KSignalDTR*KSignalChanged; |
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159 const TUint KBreakChanged=KSignalBreak*KSignalChanged; |
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160 |
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161 const TUint KSignalDTEOutputs=KSignalRTS|KSignalDTR; |
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162 const TUint KSignalDTEInputs=KSignalCTS|KSignalDSR|KSignalDCD|KSignalRNG; |
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163 const TUint KSignalDCEInputs=KSignalDTEOutputs; |
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164 const TUint KSignalDCEOutputs=KSignalDTEInputs; |
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165 |
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166 const TUint KConfigSIRPulseWidthMaximum=0x01; |
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167 const TUint KConfigSIRPulseWidthMinimum=0x02; |
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168 |
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169 // more SIRSettings for selecting the IR range |
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170 const TUint KConfigSIRShutDown=0x10; |
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171 const TUint KConfigSIRMinimumRange=0x20; |
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172 const TUint KConfigSIRMediumRange=0x40; |
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173 const TUint KConfigSIRMaximumRange=0x80; |
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174 |
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175 /** |
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176 Comms configuration structure. |
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177 Class to hold the configuration settings for serial comm port |
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178 |
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179 This class provides the serial port configuration block interface of serial comms (c32). |
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180 A serial comm client sets up a serial port before use, by providing a configuration block. |
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181 TCommConfigV01 is initialized with settings for serial port and used to configure the |
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182 serial port by calling DComm::Configure(TCommConfigV01 &aConfig) or any other serial comm |
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183 API to configure the serial port. |
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184 */ |
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185 class TCommConfigV01 |
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186 { |
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187 public: |
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188 /** |
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189 Data rate in bits per second. |
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190 @see TBps |
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191 */ |
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192 TBps iRate; |
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193 /** |
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194 Character width in bits. |
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195 @see TDataBits |
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196 */ |
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197 TDataBits iDataBits; |
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198 /** |
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199 Number of stop bits. |
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200 @see TStopBits |
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201 */ |
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202 TStopBits iStopBits; |
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203 /** |
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204 Type of parity. |
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205 @see TParity |
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206 */ |
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207 TParity iParity; |
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208 /** |
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209 Type of Handshaking control. |
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210 Possible values can be KConfigObeyXXX or KConfigSendXXX or KConfigFailXXX or KConfigFreeXXX |
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211 */ |
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212 TUint iHandshake; |
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213 /** |
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214 Type of error to generate on a parity failure. |
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215 Possible values can be KConfigParityErrorFail or KConfigParityErrorIgnore or KConfigParityErrorReplaceChar |
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216 */ |
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217 TUint iParityError; |
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218 /** |
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219 FIFO status, enabled or disabled. |
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220 @see TFifo |
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221 */ |
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222 TUint iFifo; |
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223 /** |
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224 Special data rate, not listed under TBps. Use this, when iRate is set to EBpsSpecial |
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225 */ |
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226 TInt iSpecialRate; |
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227 /** |
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228 Count of number of special characters used as terminators (<=KConfigMaxTerminators) |
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229 */ |
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230 TInt iTerminatorCount; |
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231 /** |
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232 Array of special characters which can be used as terminators |
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233 */ |
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234 TText8 iTerminator[KConfigMaxTerminators]; |
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235 /** |
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236 Character used to signal the transmitter to resume sending when using XON/XOFF handshaking |
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237 i.e character used as XON - software flow control |
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238 */ |
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239 TText8 iXonChar; |
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240 /** |
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241 Character used to signal the transmitter to suspend sending when using XON/XOFF handshaking |
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242 i.e character used as XOFF - software flow control |
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243 */ |
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244 TText8 iXoffChar; |
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245 /** |
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246 Character used to replace the characters received with a parity error. |
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247 This is used when iParityError is set to KConfigParityErrorReplaceChar |
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248 */ |
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249 TText8 iParityErrorChar; |
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250 /** |
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251 Switch the SIR encoding hardware on and off. |
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252 @see TSir |
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253 */ |
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254 TSir iSIREnable; |
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255 /** |
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256 SIR hardware control setting. Possible value can be one of KConfigSIRXXX |
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257 */ |
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258 TUint iSIRSettings; |
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259 }; |
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260 /** |
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261 Package buffer for a TCommConfigV01 object. |
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262 |
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263 TCommConfig packages the comms configuration structure TCommConfigV01 to a buffer. |
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264 This is used with API of serial comms like RComm::Config(TDes8 &aConfig) and |
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265 RComm::SetConfig(TDesC8 &aConfig) where config structure is passed as buffer. |
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266 |
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267 @see TCommConfigV01 |
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268 */ |
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269 typedef TPckgBuf<TCommConfigV01> TCommConfig; |
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270 |
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271 // TCommConfigV02 is deprecated. |
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272 // |
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273 class TCommConfigV02: public TCommConfigV01 |
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274 { |
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275 public: |
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276 TInt iTxShutdownTimeout; |
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277 }; |
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278 |
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279 // TCommConfig2 is deprecated |
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280 // |
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281 typedef TPckgBuf<TCommConfigV02> TCommConfig2; |
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282 |
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283 // |
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284 const TUint KCapsBps50=0x00000001; |
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285 const TUint KCapsBps75=0x00000002; |
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286 const TUint KCapsBps110=0x00000004; |
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287 const TUint KCapsBps134=0x00000008; |
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288 const TUint KCapsBps150=0x00000010; |
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289 const TUint KCapsBps300=0x00000020; |
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290 const TUint KCapsBps600=0x00000040; |
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291 const TUint KCapsBps1200=0x00000080; |
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292 const TUint KCapsBps1800=0x00000100; |
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293 const TUint KCapsBps2000=0x00000200; |
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294 const TUint KCapsBps2400=0x00000400; |
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295 const TUint KCapsBps3600=0x00000800; |
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296 const TUint KCapsBps4800=0x00001000; |
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297 const TUint KCapsBps7200=0x00002000; |
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298 const TUint KCapsBps9600=0x00004000; |
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299 const TUint KCapsBps19200=0x00008000; |
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300 const TUint KCapsBps38400=0x00010000; |
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301 const TUint KCapsBps57600=0x00020000; |
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302 const TUint KCapsBps115200=0x00040000; |
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303 const TUint KCapsBps230400=0x00080000; |
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304 const TUint KCapsBps460800=0x00100000; |
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305 const TUint KCapsBps576000 =0x00200000; |
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306 const TUint KCapsBps1152000=0x00400000; |
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307 const TUint KCapsBps4000000=0x00800000; |
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308 const TUint KCapsBps921600=0x01000000; |
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309 const TUint KCapsBpsAutobaud=0x40000000; |
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310 const TUint KCapsBpsSpecial=0x80000000; |
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311 // |
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312 const TUint KCapsData5=0x01; |
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313 const TUint KCapsData6=0x02; |
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314 const TUint KCapsData7=0x04; |
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315 const TUint KCapsData8=0x08; |
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316 // |
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317 const TUint KCapsStop1=0x01; |
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318 const TUint KCapsStop2=0x02; |
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319 // |
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320 const TUint KCapsParityNone=0x01; |
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321 const TUint KCapsParityEven=0x02; |
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322 const TUint KCapsParityOdd=0x04; |
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323 const TUint KCapsParityMark=0x08; |
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324 const TUint KCapsParitySpace=0x10; |
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325 // |
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326 const TUint KCapsSignalCTSSupported=0x01; |
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327 const TUint KCapsSignalDSRSupported=0x02; |
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328 const TUint KCapsSignalDCDSupported=0x04; |
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329 const TUint KCapsSignalRNGSupported=0x08; |
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330 const TUint KCapsSignalRTSSupported=0x10; |
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331 const TUint KCapsSignalDTRSupported=0x20; |
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332 // |
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333 const TUint KCapsObeyXoffSupported=0x01; |
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334 const TUint KCapsSendXoffSupported=0x02; |
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335 const TUint KCapsObeyCTSSupported=0x04; |
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336 const TUint KCapsFailCTSSupported=0x08; |
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337 const TUint KCapsObeyDSRSupported=0x10; |
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338 const TUint KCapsFailDSRSupported=0x20; |
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339 const TUint KCapsObeyDCDSupported=0x40; |
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340 const TUint KCapsFailDCDSupported=0x80; |
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341 const TUint KCapsFreeRTSSupported=0x100; |
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342 const TUint KCapsFreeDTRSupported=0x200; |
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343 // DCE Constants |
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344 const TUint KCapsObeyRTSSupported=0x400; |
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345 const TUint KCapsObeyDTRSupported=0x800; |
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346 // |
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347 const TUint KCapsHasFifo=0x01; |
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348 // |
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349 const TUint KCapsSIR115kbps=0x01; |
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350 const TUint KCapsSIR2400bpsOnly=0x02; |
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351 const TUint KCapsSIR4Mbs=0x04; |
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352 // |
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353 const TUint KNotifySignalsChangeSupported=0x01; |
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354 const TUint KNotifyRateChangeSupported=0x02; |
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355 const TUint KNotifyDataFormatChangeSupported=0x04; |
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356 const TUint KNotifyHandshakeChangeSupported=0x08; |
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357 const TUint KNotifyBreakSupported=0x10; |
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358 const TUint KNotifyFlowControlChangeSupported=0x20; |
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359 const TUint KNotifyDataAvailableSupported=0x40; |
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360 const TUint KNotifyOutputEmptySupported=0x80; |
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361 // |
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362 const TUint KCapsRoleSwitchSupported=0x01; |
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363 // |
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364 const TUint KCapsFlowControlStatusSupported=0x01; |
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365 // |
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366 const TUint KRateChanged=0x01; |
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367 const TUint KDataFormatChanged=0x02; |
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368 const TUint KHandshakeChanged=0x04; |
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369 // |
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370 class TCommCapsV01 |
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371 { |
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372 public: |
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373 TUint iRate; |
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374 TUint iDataBits; |
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375 TUint iStopBits; |
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376 TUint iParity; |
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377 TUint iHandshake; |
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378 TUint iSignals; |
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379 TUint iFifo; |
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380 TUint iSIR; |
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381 }; |
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382 typedef TPckgBuf<TCommCapsV01> TCommCaps; |
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383 |
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384 class TCommCapsV02 : public TCommCapsV01 |
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385 { |
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386 public: |
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387 TUint iNotificationCaps; |
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388 TUint iRoleCaps; |
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389 TUint iFlowControlCaps; |
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390 }; |
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391 typedef TPckgBuf<TCommCapsV02> TCommCaps2; |
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392 |
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393 class TCommCapsV03 : public TCommCapsV02 |
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394 { |
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395 public: |
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396 TBool iBreakSupported; |
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397 }; |
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398 typedef TPckgBuf<TCommCapsV03> TCommCaps3; |
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399 |
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400 // |
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401 class TCapsDevCommV01 |
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402 { |
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403 public: |
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404 TVersion version; |
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405 }; |
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406 |
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407 class TCommNotificationV01 |
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408 { |
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409 public: |
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410 TUint iChangedMembers; |
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411 TBps iRate; |
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412 TDataBits iDataBits; |
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413 TStopBits iStopBits; |
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414 TParity iParity; |
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415 TUint iHandshake; |
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416 }; |
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417 typedef TPckgBuf<TCommNotificationV01> TCommNotificationPckg; |
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418 // |
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419 const TUint KDataAvailableNotifyFlag=0x80000000; |
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420 // |
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421 #ifdef _DEBUG_DEVCOMM |
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422 class TCommDebugInfo |
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423 { |
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424 public: |
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425 TBool iRxBusy; |
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426 TBool iRxHeld; |
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427 TInt iRxLength; |
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428 TInt iRxOffset; |
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429 TInt iRxIntCount; |
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430 TInt iRxErrCount; |
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431 TInt iRxBufCount; |
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432 TBool iTxBusy; |
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433 TBool iTxHeld; |
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434 TInt iTxLength; |
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435 TInt iTxOffset; |
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436 TInt iTxIntCount; |
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437 TInt iTxErrCount; |
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438 TInt iTxBufCount; |
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439 TBool iDrainingRxBuf; |
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440 TBool iFillingTxBuf; |
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441 TBool iRunningDfc; |
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442 TInt iDfcCount; |
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443 TInt iDfcReqSeq; |
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444 TInt iDfcHandlerSeq; |
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445 TInt iDoDrainSeq; |
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446 TBool iTxDfcPend; |
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447 TBool iRxDfcPend; |
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448 TInt iTxChars, iRxChars; |
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449 TInt iTxXon, iTxXoff, iRxXon, iRxXoff; |
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450 }; |
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451 typedef TPckgBuf<TCommDebugInfo> TCommDebugInfoPckg; |
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452 #endif |
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453 // |
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454 class RBusDevComm : public RBusLogicalChannel |
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455 { |
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456 public: |
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457 enum TVer {EMajorVersionNumber=1,EMinorVersionNumber=0,EBuildVersionNumber=KE32BuildVersionNumber}; |
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458 enum TRequest |
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459 { |
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460 ERequestRead=0x0,ERequestReadCancel=0x1, |
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461 ERequestWrite=0x1,ERequestWriteCancel=0x2, |
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462 ERequestBreak=0x2,ERequestBreakCancel=0x4, |
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463 ERequestNotifySignalChange=0x3,ERequestNotifySignalChangeCancel=0x8, |
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464 }; |
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465 enum TControl |
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466 { |
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467 EControlConfig,EControlSetConfig,EControlCaps, |
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468 EControlSignals,EControlSetSignals, |
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469 EControlQueryReceiveBuffer,EControlResetBuffers, |
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470 EControlReceiveBufferLength,EControlSetReceiveBufferLength, |
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471 EControlMinTurnaroundTime,EControlSetMinTurnaroundTime, |
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472 #ifdef _DEBUG_DEVCOMM |
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473 EControlDebugInfo |
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474 #endif |
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475 }; |
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476 public: |
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477 #ifndef __KERNEL_MODE__ |
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478 inline TInt Open(TInt aUnit); |
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479 inline TVersion VersionRequired() const; |
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480 inline void Read(TRequestStatus &aStatus,TDes8 &aDes); |
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481 inline void Read(TRequestStatus &aStatus,TDes8 &aDes,TInt aLength); |
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482 inline void ReadOneOrMore(TRequestStatus &aStatus,TDes8 &aDes); |
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483 inline void ReadCancel(); |
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484 inline void Write(TRequestStatus &aStatus,const TDesC8 &aDes); |
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485 inline void Write(TRequestStatus &aStatus,const TDesC8 &aDes,TInt aLength); |
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486 inline void WriteCancel(); |
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487 inline void Break(TRequestStatus &aStatus,TInt aTime); |
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488 inline void BreakCancel(); |
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489 inline void Config(TDes8 &aConfig); |
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490 inline TInt SetConfig(const TDesC8 &aConfig); |
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491 inline void Caps(TDes8 &aCaps); |
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492 inline TUint Signals(); |
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493 inline void SetSignals(TUint aSetMask,TUint aClearMask); |
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494 inline TInt QueryReceiveBuffer(); |
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495 inline void ResetBuffers(); |
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496 inline TInt ReceiveBufferLength(); |
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497 inline TInt SetReceiveBufferLength(TInt aLength); |
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498 inline void NotifySignalChange(TRequestStatus& aStatus,TUint& aSignals,TUint aSignalMask=0x3F); |
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499 inline void NotifySignalChangeCancel(); |
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500 inline void NotifyReceiveDataAvailable(TRequestStatus& aStatus); |
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501 inline void NotifyReceiveDataAvailableCancel(); |
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502 inline TUint MinTurnaroundTime(); |
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503 inline TInt SetMinTurnaroundTime(TUint aMicroSeconds); |
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504 #ifdef _DEBUG_DEVCOMM |
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505 inline void DebugInfo(TDes8 &aInfo); |
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506 #endif |
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507 #endif |
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508 }; |
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509 |
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510 class RBusDevCommDCE : public RBusLogicalChannel |
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511 { |
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512 public: |
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513 enum TVer {EMajorVersionNumber=1,EMinorVersionNumber=0,EBuildVersionNumber=KE32BuildVersionNumber}; |
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514 enum TRequest |
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515 { |
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516 ERequestRead=0x0,ERequestReadCancel=0x1, |
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517 ERequestWrite=0x1,ERequestWriteCancel=0x2, |
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518 ERequestBreak=0x2,ERequestBreakCancel=0x4, |
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519 ERequestNotifySignalChange=0x3,ERequestNotifySignalChangeCancel=0x8, |
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520 ERequestNotifyFlowControlChange=0x4,ERequestNotifyFlowControlChangeCancel=0x10, |
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521 ERequestNotifyConfigChange=0x5,ERequestNotifyConfigChangeCancel=0x20 |
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522 }; |
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523 enum TControl |
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524 { |
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525 EControlConfig,EControlSetConfig,EControlCaps, |
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526 EControlSignals,EControlSetSignals, |
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527 EControlQueryReceiveBuffer,EControlResetBuffers, |
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528 EControlReceiveBufferLength,EControlSetReceiveBufferLength, |
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529 EControlFlowControlStatus, |
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530 #ifdef _DEBUG_DEVCOMM |
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531 EControlDebugInfo |
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532 #endif |
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533 }; |
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534 public: |
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535 #ifndef __KERNEL_MODE__ |
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536 inline TInt Open(TInt aUnit); |
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537 inline TVersion VersionRequired() const; |
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538 inline void Read(TRequestStatus &aStatus,TDes8 &aDes); |
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539 inline void Read(TRequestStatus &aStatus,TDes8 &aDes,TInt aLength); |
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540 inline void ReadOneOrMore(TRequestStatus &aStatus,TDes8 &aDes); |
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541 inline void ReadCancel(); |
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542 inline void Write(TRequestStatus &aStatus,const TDesC8 &aDes); |
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543 inline void Write(TRequestStatus &aStatus,const TDesC8 &aDes,TInt aLength); |
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544 inline void WriteCancel(); |
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545 inline void Break(TRequestStatus &aStatus,TInt aTime); |
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546 inline void BreakCancel(); |
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547 inline void Config(TDes8 &aConfig); |
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548 inline TInt SetConfig(const TDesC8 &aConfig); |
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549 inline void Caps(TDes8 &aCaps); |
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550 inline TUint Signals(); |
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551 inline void SetSignals(TUint aSetMask,TUint aClearMask); |
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552 inline TInt QueryReceiveBuffer(); |
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553 inline void ResetBuffers(); |
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554 inline TInt ReceiveBufferLength(); |
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555 inline TInt SetReceiveBufferLength(TInt aLength); |
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556 inline void NotifySignalChange(TRequestStatus& aStatus,TUint& aSignals,TUint aSignalMask=0x3F); |
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557 inline void NotifySignalChangeCancel(); |
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558 inline void NotifyReceiveDataAvailable(TRequestStatus& aStatus); |
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559 inline void NotifyReceiveDataAvailableCancel(); |
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560 inline void NotifyFlowControlChange(TRequestStatus& aStatus); |
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561 inline void NotifyFlowControlChangeCancel(); |
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562 inline void GetFlowControlStatus(TFlowControl& aFlowControl); |
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563 inline void NotifyConfigChange(TRequestStatus& aStatus, TDes8& aNewConfig); |
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564 inline void NotifyConfigChangeCancel(); |
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565 #ifdef _DEBUG_DEVCOMM |
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566 inline void DebugInfo(TDes8 &aInfo); |
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567 #endif |
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568 #endif |
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569 }; |
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570 |
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571 #include <d32comm.inl> |
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572 #endif |