|
1 // vtc_busdevcons.cpp |
|
2 // |
|
3 // Copyright (c) 2009 - 2010 Accenture. All rights reserved. |
|
4 // This component and the accompanying materials are made available |
|
5 // under the terms of the "Eclipse Public License v1.0" |
|
6 // which accompanies this distribution, and is available |
|
7 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 // |
|
9 // Initial Contributors: |
|
10 // Accenture - Initial contribution |
|
11 // |
|
12 |
|
13 #include <d32comm.h> |
|
14 #include <fshell/vtc_base.h> |
|
15 #include <fshell/common.mmh> |
|
16 |
|
17 class TPortConfig |
|
18 { |
|
19 public: |
|
20 TPortConfig(); |
|
21 |
|
22 TPtrC iPdd; |
|
23 TPtrC iLdd; |
|
24 TInt iPort; |
|
25 TBps iRate; |
|
26 }; |
|
27 |
|
28 |
|
29 NONSHARABLE_CLASS(CVtcBusDevCommConsole) : public CVtcConsoleBase |
|
30 { |
|
31 public: |
|
32 CVtcBusDevCommConsole(); |
|
33 ~CVtcBusDevCommConsole(); |
|
34 |
|
35 protected: // From CVtcConsoleBase. |
|
36 virtual void ConstructL(const TDesC& aTitle); |
|
37 private: // From MConsoleOutput. |
|
38 virtual TInt Output(const TDesC8& aDes); |
|
39 private: // From MConsoleInput. |
|
40 virtual void Input(TDes8& aDes, TRequestStatus& aStatus); |
|
41 virtual void CancelInput(TRequestStatus& aStatus); |
|
42 private: |
|
43 TInt ReadConfig(const TDesC& aConfigDes, TPortConfig& aConfig); |
|
44 private: |
|
45 RBusDevComm iComm; |
|
46 }; |
|
47 |
|
48 extern "C" EXPORT_C TAny* NewConsole() |
|
49 { |
|
50 return new CVtcBusDevCommConsole; |
|
51 } |
|
52 |
|
53 CVtcBusDevCommConsole::CVtcBusDevCommConsole() |
|
54 { |
|
55 } |
|
56 |
|
57 CVtcBusDevCommConsole::~CVtcBusDevCommConsole() |
|
58 { |
|
59 iComm.Close(); |
|
60 } |
|
61 |
|
62 #ifdef __WINS__ |
|
63 _LIT(KPdd, "ecdrv"); |
|
64 #else |
|
65 _LIT(KPdd, "euart"); |
|
66 #endif |
|
67 _LIT(KLdd, "ecomm"); |
|
68 |
|
69 TPortConfig::TPortConfig() |
|
70 :iPdd(KNullDesC), iLdd(KNullDesC), iPort(-1), iRate(EBpsAutobaud) |
|
71 { |
|
72 } |
|
73 |
|
74 TInt CVtcBusDevCommConsole::ReadConfig(const TDesC& aConfigDes, TPortConfig& aConfig) |
|
75 { |
|
76 _LIT(KKeywordPdd, "pdd"); |
|
77 _LIT(KKeywordLdd, "ldd"); |
|
78 _LIT(KKeywordPort, "port"); |
|
79 _LIT(KKeywordRate, "rate"); |
|
80 |
|
81 TBool keywordFound(EFalse); |
|
82 TLex lex(aConfigDes); |
|
83 while (!lex.Eos()) |
|
84 { |
|
85 TPtrC keyword; |
|
86 TPtrC value; |
|
87 TInt err = ReadKeywordValuePair(lex, keyword, value); |
|
88 if (err != KErrNone) |
|
89 { |
|
90 break; |
|
91 } |
|
92 |
|
93 if (keyword == KKeywordPdd) |
|
94 { |
|
95 aConfig.iPdd.Set(value); |
|
96 keywordFound = ETrue; |
|
97 } |
|
98 else if (keyword == KKeywordLdd) |
|
99 { |
|
100 aConfig.iLdd.Set(value); |
|
101 keywordFound = ETrue; |
|
102 } |
|
103 else if (keyword == KKeywordPort) |
|
104 { |
|
105 TLex lex(value); |
|
106 User::LeaveIfError(lex.Val(aConfig.iPort)); |
|
107 keywordFound = ETrue; |
|
108 } |
|
109 else if (keyword == KKeywordRate) |
|
110 { |
|
111 TLex lex(value); |
|
112 TUint rate; |
|
113 if (lex.Val(rate) == KErrNone) |
|
114 { |
|
115 switch (rate) |
|
116 { |
|
117 case 115200: |
|
118 aConfig.iRate = EBps115200; break; |
|
119 case 9600: |
|
120 aConfig.iRate = EBps9600; break; |
|
121 case 19200: |
|
122 aConfig.iRate = EBps19200; break; |
|
123 case 57600: |
|
124 aConfig.iRate = EBps57600; break; |
|
125 default: |
|
126 break; |
|
127 } |
|
128 } |
|
129 keywordFound = ETrue; |
|
130 } |
|
131 } |
|
132 |
|
133 if (!keywordFound) |
|
134 { |
|
135 // Treat unrecognised string as a port number (to preserve backwards compatibility with earlier releases). |
|
136 TLex lex(aConfigDes); |
|
137 lex.Val(aConfig.iPort); |
|
138 } |
|
139 |
|
140 return KErrNone; |
|
141 } |
|
142 |
|
143 void CVtcBusDevCommConsole::ConstructL(const TDesC& aTitle) |
|
144 { |
|
145 TPortConfig portConfig; |
|
146 User::LeaveIfError(ReadConfig(aTitle, portConfig)); |
|
147 if (portConfig.iPort < 0) User::Leave(KErrArgument); |
|
148 |
|
149 TPtrC pdd(portConfig.iPdd); |
|
150 if (pdd.Length() == 0) pdd.Set(KPdd()); |
|
151 TPtrC ldd(portConfig.iLdd); |
|
152 if (ldd.Length() == 0) ldd.Set(KLdd()); |
|
153 |
|
154 TInt err = User::LoadPhysicalDevice(pdd); |
|
155 Message(EDebug, _L("Loading %S returned %d"), &pdd, err); |
|
156 if (err != KErrAlreadyExists && portConfig.iPdd.Length()) User::LeaveIfError(err); // Don't error if we failed to load the default PDD |
|
157 |
|
158 err = User::LoadLogicalDevice(ldd); |
|
159 Message(EDebug, _L("Loading %S returned %d"), &ldd, err); |
|
160 if (err != KErrAlreadyExists && portConfig.iLdd.Length()) User::LeaveIfError(err); // Don't error if we failed to load the default LDD |
|
161 err = iComm.Open(portConfig.iPort); |
|
162 Message(EDebug, _L("Opening port %d returned %d"), portConfig.iPort, err); |
|
163 User::LeaveIfError(err); |
|
164 |
|
165 if (portConfig.iRate != EBpsAutobaud) |
|
166 { |
|
167 TCommConfig cfg; |
|
168 cfg().iRate = portConfig.iRate; |
|
169 cfg().iDataBits = EData8; |
|
170 cfg().iStopBits = EStop1; |
|
171 cfg().iParity = EParityNone; |
|
172 cfg().iHandshake = 0; |
|
173 cfg().iParityError = KConfigParityErrorFail; |
|
174 cfg().iFifo = EFifoEnable; |
|
175 cfg().iSpecialRate = 0; |
|
176 cfg().iTerminatorCount = 0; |
|
177 cfg().iSIREnable = ESIRDisable; |
|
178 err = iComm.SetConfig(cfg); |
|
179 Message(EDebug, _L("RBusDevComm::SetConfig returned %d"), err); |
|
180 User::LeaveIfError(err); |
|
181 } |
|
182 iComm.ResetBuffers(); |
|
183 CVtcConsoleBase::ConstructL(aTitle); |
|
184 } |
|
185 |
|
186 TInt CVtcBusDevCommConsole::Output(const TDesC8& aDes) |
|
187 { |
|
188 TRequestStatus stat; |
|
189 #ifdef FSHELL_PLATFORM_OPP |
|
190 retry: |
|
191 #endif |
|
192 iComm.Write(stat, aDes); |
|
193 User::WaitForRequest(stat); |
|
194 #ifdef FSHELL_PLATFORM_OPP |
|
195 // Temporary OPP specific change - the drivers for the mid-sized prototype currently complete requests with KErrAbort just before power management sends the device to sleep. |
|
196 if (stat.Int() == KErrAbort) |
|
197 { |
|
198 goto retry; |
|
199 } |
|
200 #endif |
|
201 return stat.Int(); |
|
202 } |
|
203 |
|
204 void CVtcBusDevCommConsole::Input(TDes8& aDes, TRequestStatus& aStatus) |
|
205 { |
|
206 iComm.ReadOneOrMore(aStatus, aDes); |
|
207 } |
|
208 |
|
209 void CVtcBusDevCommConsole::CancelInput(TRequestStatus&) |
|
210 { |
|
211 iComm.ReadCancel(); |
|
212 } |