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1 // Copyright (c) 1998-2009 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 "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.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 // e32test\misc\t_lbk.cpp |
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15 // |
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16 // |
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17 |
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18 #include <e32test.h> |
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19 #include <d32comm.h> |
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20 |
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21 RTest test(_L("LoopBack")); |
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22 |
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23 #define TEST(c) ((void)((c)||(test.Printf(_L("Failed at line %d\n"),__LINE__),test.Getch(),test(0),0))) |
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24 |
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25 const TInt KBufferSize=4096; |
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26 |
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27 _LIT(KLddName,"ECOMM"); |
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28 _LIT(KPddName,"EUART"); |
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29 |
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30 TUint8 Buffer[2*KBufferSize]; |
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31 |
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32 void LoadCommDrivers() |
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33 { |
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34 test.Printf(_L("Load LDD\n")); |
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35 TInt r=User::LoadLogicalDevice(KLddName); |
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36 TEST(r==KErrNone || r==KErrAlreadyExists); |
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37 |
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38 TInt i; |
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39 TInt n=0; |
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40 for (i=-1; i<10; ++i) |
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41 { |
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42 TBuf<16> pddName=KPddName(); |
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43 if (i>=0) |
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44 pddName.Append('0'+i); |
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45 TInt r=User::LoadPhysicalDevice(pddName); |
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46 if (r==KErrNone || r==KErrAlreadyExists) |
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47 { |
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48 ++n; |
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49 test.Printf(_L("%S found\n"),&pddName); |
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50 } |
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51 } |
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52 TEST(n!=0); |
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53 } |
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54 |
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55 GLDEF_C TInt E32Main() |
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56 { |
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57 RThread().SetPriority(EPriorityAbsoluteForeground); |
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58 test.SetLogged(EFalse); |
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59 test.Title(); |
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60 |
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61 TBuf<256> cmd; |
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62 User::CommandLine(cmd); |
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63 TInt port=0; |
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64 if (cmd.Length()!=0) |
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65 { |
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66 TUint8 c=(TUint8)cmd[0]; |
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67 if (c>='0' && c<='9') |
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68 { |
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69 port=c-'0'; |
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70 } |
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71 } |
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72 |
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73 TInt r=KErrNone; |
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74 LoadCommDrivers(); |
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75 |
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76 RBusDevComm comm; |
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77 r=comm.Open(port); |
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78 test(r==KErrNone); |
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79 TCommConfig cfg; |
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80 TCommConfigV01& c=cfg(); |
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81 comm.Config(cfg); |
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82 c.iRate=EBps115200; |
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83 c.iDataBits=EData8; |
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84 c.iStopBits=EStop1; |
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85 c.iParity=EParityNone; |
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86 c.iHandshake=0; |
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87 c.iFifo=EFifoEnable; |
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88 c.iTerminatorCount=0; |
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89 r=comm.SetConfig(cfg); |
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90 test(r==KErrNone); |
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91 |
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92 TRequestStatus rxs, txs; |
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93 TRequestStatus* pS=&txs; |
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94 User::RequestComplete(pS,0); |
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95 |
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96 TInt pos=0; |
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97 FOREVER |
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98 { |
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99 TPtr8 dptr(Buffer+pos,0,KBufferSize); |
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100 comm.ReadOneOrMore(rxs,dptr); |
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101 User::WaitForRequest(rxs); |
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102 if (rxs!=KErrNone) |
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103 test.Printf(_L("RX error %d\n"),rxs.Int()); |
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104 User::WaitForRequest(txs); |
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105 if (txs!=KErrNone) |
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106 test.Printf(_L("TX error %d\n"),txs.Int()); |
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107 comm.Write(txs,dptr); |
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108 if (pos) |
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109 pos=0; |
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110 else |
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111 pos=KBufferSize; |
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112 } |
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113 } |