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1 // Copyright (c) 1994-2009 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 // omap3530/shared/monitor/monitor.cpp |
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15 // |
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16 // |
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17 |
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18 #include <monitor.h> |
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19 #include <assp/omap3530_assp/omap3530_assp_priv.h> |
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20 #include <assp/omap3530_assp/omap3530_uart.h> |
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21 #include <assp/omap3530_assp/omap3530_prcm.h> |
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22 |
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23 void CrashDebugger::InitUart() |
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24 { |
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25 const Omap3530Uart::TUartNumber portNumber( Omap3530Assp::DebugPortNumber() ); |
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26 |
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27 if( portNumber >= 0 ) |
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28 { |
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29 Omap3530Uart::TUart uart( portNumber ); |
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30 |
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31 // Ensure UART clocks are running |
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32 Prcm::SetClockState( uart.PrcmInterfaceClk(),Prcm::EClkOn ); |
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33 Prcm::SetClockState( uart.PrcmFunctionClk(), Prcm::EClkOn ); |
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34 |
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35 // We don't know what state the UART is in, so reinitialize it |
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36 uart.Init(); |
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37 uart.DefineMode( Omap3530Uart::TUart::EUart ); |
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38 uart.SetBaud( Omap3530Uart::TUart::E115200 ); |
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39 uart.SetDataFormat( Omap3530Uart::TUart::E8Data, Omap3530Uart::TUart::E1Stop, Omap3530Uart::TUart::ENone ); |
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40 uart.Enable(); |
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41 } |
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42 } |
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43 |
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44 void CrashDebugger::UartOut(TUint aChar) |
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45 { |
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46 const Omap3530Uart::TUartNumber portNumber( Omap3530Assp::DebugPortNumber() ); |
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47 |
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48 if( portNumber >= 0 ) |
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49 { |
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50 Omap3530Uart::TUart uart( portNumber ); |
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51 |
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52 TUint c=0; |
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53 |
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54 while ( !uart.RxFifoEmpty() ) |
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55 { |
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56 if ( CheckPower() ) |
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57 { |
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58 return; |
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59 } |
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60 |
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61 c = uart.Read(); |
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62 |
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63 if ( c == 19 ) // XOFF |
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64 { |
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65 FOREVER |
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66 { |
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67 while( uart.RxFifoEmpty() ) |
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68 { |
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69 if ( CheckPower() ) |
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70 { |
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71 return; |
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72 } |
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73 } |
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74 |
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75 c = uart.Read(); |
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76 |
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77 if ( c == 17 ) // XON |
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78 { |
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79 break; |
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80 } |
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81 else if ( c == 3 ) // Ctrl C |
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82 { |
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83 Leave(KErrCancel); |
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84 } |
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85 } |
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86 } |
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87 else if ( c == 3 ) // Ctrl C |
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88 { |
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89 Leave(KErrCancel); |
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90 } |
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91 } |
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92 |
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93 while ( uart.TxFifoFull() ) |
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94 { |
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95 CheckPower(); |
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96 } |
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97 |
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98 uart.Write( aChar ); |
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99 } |
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100 } |
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101 |
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102 TUint8 CrashDebugger::UartIn() |
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103 { |
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104 const Omap3530Uart::TUartNumber portNumber( Omap3530Assp::DebugPortNumber() ); |
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105 |
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106 if( portNumber >= 0 ) |
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107 { |
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108 Omap3530Uart::TUart uart( portNumber ); |
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109 |
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110 while ( uart.RxFifoEmpty() ) |
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111 { |
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112 if ( CheckPower() ) |
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113 { |
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114 return 0x0d; |
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115 } |
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116 } |
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117 return uart.Read(); |
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118 } |
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119 |
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120 return 0; |
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121 } |
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122 |
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123 TBool CrashDebugger::CheckPower() |
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124 { |
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125 // |
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126 // Check if power supply is stable and return ETrue if not |
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127 // |
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128 return EFalse; // EXAMPLE ONLY |
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129 } |
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130 |