SerialDisplay.cpp

00001 /*
00002  / _____)             _              | |
00003 ( (____  _____ ____ _| |_ _____  ____| |__
00004  \____ \| ___ |    (_   _) ___ |/ ___)  _ \
00005  _____) ) ____| | | || |_| ____( (___| | | |
00006 (______/|_____)_|_|_| \__)_____)\____)_| |_|
00007     (C)2015 Semtech
00008 
00009 Description: VT100 serial display management
00010 
00011 License: Revised BSD License, see LICENSE.TXT file include in the project
00012 
00013 Maintainer: Miguel Luis and Gregory Cristian
00014 */
00015 #include "lorawan_board.h"
00016 
00017 #include "SerialDisplay.h"
00018 #include "LoRaMacString.h"
00019 
00020 #ifdef ENABLE_VT100
00021 VT100 vt( USBTX, USBRX );
00022 
00023 void SerialPrintCheckBox( bool activated, uint8_t color )
00024 {
00025     if( activated == true )
00026     {
00027         vt.SetAttribute( VT100::ATTR_OFF, color, color );
00028     }
00029     else
00030     {
00031         vt.SetAttribute( VT100::ATTR_OFF );
00032     }
00033     vt.printf( " " );
00034     vt.SetAttribute( VT100::ATTR_OFF );
00035 }
00036 
00037 #ifdef LORAWAN_JOIN_EUI
00038 void SerialDisplayUpdateActivationMode( bool otaa )
00039 {
00040     vt.SetCursorPos( 4, 17 );   // TODO
00041     SerialPrintCheckBox( otaa, VT100::WHITE );
00042 }
00043 
00044 void SerialDisplayUpdateEui( uint8_t line, const uint8_t *eui )
00045 {
00046     vt.SetCursorPos( line, 27 );
00047     for( uint8_t i = 0; i < 8; i++ )
00048     {
00049         vt.printf( "%02x ", eui[i] );
00050     }
00051     vt.SetCursorPos( line, 50 );
00052     vt.printf( "]" );
00053 }
00054 #endif /* LORAWAN_JOIN_EUI */
00055 
00056 void SerialDisplayUpdateKey( uint8_t line, const uint8_t *key )
00057 {
00058     vt.SetCursorPos( line, 29 );
00059     for( uint8_t i = 0; i < 16; i++ )
00060     {
00061         vt.printf( "%02x ", key[i] );
00062     }
00063     vt.SetCursorPos( line, 76 );
00064     vt.printf( "]" );
00065 }
00066 
00067 void SerialDisplayUpdateNwkId( uint8_t id )
00068 {
00069     vt.SetCursorPos( ROW_NwkId, 27 );
00070     vt.printf( "%03d", id );
00071 }
00072 
00073 void SerialDisplayUpdateDevAddr( uint32_t addr )
00074 {
00075     vt.SetCursorPos( ROW_DevAddr, 27 );
00076     vt.printf( "%02X %02X %02X %02X", ( addr >> 24 ) & 0xFF, ( addr >> 16 ) & 0xFF, ( addr >> 8 ) & 0xFF, addr & 0xFF );
00077 }
00078 
00079 void SerialDisplayUpdateFrameType( bool confirmed )
00080 {
00081     vt.SetCursorPos( ROW_FrameType, 17 );
00082     SerialPrintCheckBox( confirmed, VT100::WHITE );
00083     vt.SetCursorPos( ROW_FrameType, 32 );
00084     SerialPrintCheckBox( !confirmed, VT100::WHITE );
00085 }
00086 
00087 void SerialDisplayUpdateAdr( bool adr )
00088 {
00089     vt.SetCursorPos( ROW_ADR, 27 );
00090     if( adr == true )
00091     {
00092         vt.printf( " ON" );
00093     }
00094     else
00095     {
00096         vt.printf( "OFF" );
00097     }
00098 }
00099 
00100 void SerialDisplayUpdateDutyCycle( bool dutyCycle )
00101 {
00102     vt.SetCursorPos( ROW_DUTY, 27 );
00103     if( dutyCycle == true )
00104     {
00105         vt.printf( " ON" );
00106     }
00107     else
00108     {
00109         vt.printf( "OFF" );
00110     }
00111 }
00112 
00113 void SerialDisplayUpdatePublicNetwork( bool network )
00114 {
00115     vt.SetCursorPos( ROW_PUBLIC, 17 );
00116     SerialPrintCheckBox( network, VT100::WHITE );
00117     vt.SetCursorPos( ROW_PUBLIC, 30 );
00118     SerialPrintCheckBox( !network, VT100::WHITE );
00119 }
00120 
00121 #ifdef LORAWAN_JOIN_EUI
00122 void SerialDisplayUpdateNetworkIsJoined( bool state )
00123 {
00124     vt.SetCursorPos( ROW_JOINED, 17 );
00125     SerialPrintCheckBox( !state, VT100::RED );
00126     vt.SetCursorPos( ROW_JOINED, 30 );
00127     SerialPrintCheckBox( state, VT100::GREEN );
00128 }
00129 #endif /* LORAWAN_JOIN_EUI */
00130 
00131 /*void SerialDisplayUpdateLedState( uint8_t id, uint8_t state )
00132 {
00133     switch( id )
00134     {
00135         case 1:
00136             vt.SetCursorPos( 22, 17 );
00137             SerialPrintCheckBox( state, VT100::RED );
00138             break;
00139         case 2:
00140             vt.SetCursorPos( 22, 31 );
00141             SerialPrintCheckBox( state, VT100::GREEN );
00142             break;
00143         case 3:
00144             vt.SetCursorPos( 22, 45 );
00145             SerialPrintCheckBox( state, VT100::BLUE );
00146             break;
00147     }
00148 }*/
00149 
00150 void SerialDisplayUpdateData( uint8_t line, const uint8_t *buffer, uint8_t size )
00151 {
00152     if( size != 0 )
00153     {
00154         vt.SetCursorPos( line, 27 );
00155         for( uint8_t i = 0; i < size; i++ )
00156         {
00157             vt.printf( "%02X ", buffer[i] );
00158             if( ( ( i + 1 ) % 16 ) == 0 )
00159             {
00160                 line++;
00161                 vt.SetCursorPos( line, 27 );
00162             }
00163         }
00164         for( uint8_t i = size; i < 64; i++ )
00165         {
00166             vt.printf( "__ " );
00167             if( ( ( i + 1 ) % 16 ) == 0 )
00168             {
00169                 line++;
00170                 vt.SetCursorPos( line, 27 );
00171             }
00172         }
00173         vt.SetCursorPos( line - 1, 74 );
00174         vt.printf( "]" );
00175     }
00176     else
00177     {
00178         vt.SetCursorPos( line, 27 );
00179         for( uint8_t i = 0; i < 64; i++ )
00180         {
00181             vt.printf( "__ " );
00182             if( ( ( i + 1 ) % 16 ) == 0 )
00183             {
00184                 line++;
00185                 vt.SetCursorPos( line, 27 );
00186             }
00187         }
00188         vt.SetCursorPos( line - 1, 74 );
00189         vt.printf( "]" );
00190     }
00191 }
00192 
00193 void SerialDisplayUpdateUplinkAcked( bool state )
00194 {
00195     vt.SetCursorPos( ROW_UPLINK_ACKED, 36 );
00196     SerialPrintCheckBox( state, VT100::GREEN );
00197 }
00198 
00199 //void SerialDisplayUpdateUplink( bool acked, uint8_t datarate, uint32_t counter, uint8_t port, uint8_t *buffer, uint8_t bufferSize, LoRaMacEventInfoStatus_t s)
00200 void SerialDisplayUplink(uint8_t fport, const uint8_t* buffer, uint8_t bufferSize )
00201 {
00202     vt.SetCursorPos( ROW_DOWNLINK_RSSI, 32 );
00203     vt.printf( "     ");
00204     vt.SetCursorPos( ROW_DOWNLINK_SNR, 32 );
00205     vt.printf( "     ");
00206 
00207     // Port
00208     vt.SetCursorPos( ROW_UPLINK_PORT, 34 );
00209     vt.printf( "%3u", fport );
00210     // Data
00211     SerialDisplayUpdateData( ROW_UPLINK_PAYLOAD, buffer, bufferSize );
00212 }
00213 
00214 void SerialDisplayMcpsConfirm( const McpsConfirm_t* mc)
00215 {
00216     char str[48];
00217     static uint8_t lastStrLen = 0;
00218     // Acked
00219     SerialDisplayUpdateUplinkAcked(mc->AckReceived);
00220     LoRaMacEventInfoStatus_to_string(mc->Status, str);
00221     vt.printf("]  %s", str);
00222     for (unsigned n = 0; n < lastStrLen; n++)
00223         vt.putc(' ' );
00224     lastStrLen = strlen(str);
00225     // Datarate
00226     vt.SetCursorPos( ROW_UPLINK_DR, 33 );
00227     vt.printf( "DR%u", mc->Datarate);
00228     // Counter
00229     vt.SetCursorPos( ROW_UPLINK_FCNT, 27 );
00230     vt.printf( "%10" PRIu32, mc->UpLinkCounter);
00231 }
00232 
00233 void SerialDisplayMcpsIndication()
00234 {
00235 }
00236 
00237 void SerialDisplayUpdateDonwlinkRxData( bool state )
00238 {
00239     vt.SetCursorPos( ROW_DOWNLINK_SNR, 4 );
00240     SerialPrintCheckBox( state, VT100::GREEN );
00241 }
00242 
00243 void SerialDisplayMcpsIndication(const McpsIndication_t* mi)
00244 {
00245     int8_t Snr;
00246 
00247     vt.SetCursorPos( ROW_DOWNLINK_RSSI, 32 );
00248     vt.printf( "%5d", mi->Rssi );
00249 
00250     if (mi->Snr & 0x80) { // The SNR sign bit is 1
00251         // Invert and divide by 4
00252         Snr = ( ( ~mi->Snr + 1 ) & 0xFF ) >> 2;
00253         Snr = -Snr;
00254     } else {
00255         // Divide by 4
00256         Snr = ( mi->Snr & 0xFF ) >> 2;
00257     }
00258     vt.SetCursorPos( ROW_DOWNLINK_SNR, 32 );
00259     vt.printf( "%5d", Snr );
00260 
00261     vt.SetCursorPos( ROW_DOWNLINK_FCNT, 27 );
00262     vt.printf( "%10" PRIu32, mi->receivedFCntDown);
00263 
00264     SerialDisplayUpdateDonwlinkRxData(mi->RxData);
00265     vt.SetCursorPos( ROW_DOWNLINK_FPORT, 34 );
00266     if (mi->RxData) {
00267         vt.printf( "%3u", mi->Port);
00268         SerialDisplayUpdateData( ROW_DOWNLINK_PAYLOAD, mi->Buffer, mi->BufferSize );
00269     } else {
00270         vt.printf("   ");
00271         SerialDisplayUpdateData( ROW_DOWNLINK_PAYLOAD, NULL, 0 );
00272     }
00273     /*if (mcpsIndication->RxData) {
00274         LoRaMacDownlinkStatus.Port = mcpsIndication->Port;
00275         LoRaMacDownlinkStatus.Buffer = mcpsIndication->Buffer;
00276         LoRaMacDownlinkStatus.BufferSize = mcpsIndication->BufferSize;
00277     } else
00278         LoRaMacDownlinkStatus.Buffer = NULL;*/
00279 }
00280 
00281 #if 0
00282 void SerialDisplayUpdateDownlink( int16_t rssi, int8_t snr, uint32_t counter, uint8_t port, uint8_t *buffer, uint8_t bufferSize )
00283 {
00284     // Rx data
00285     SerialDisplayUpdateDonwlinkRxData( buffer != NULL );
00286     // RSSI
00287     vt.SetCursorPos( ROW_DOWNLINK_RSSI, 32 );
00288     vt.printf( "%5d", rssi );
00289     // SNR
00290     vt.SetCursorPos( ROW_DOWNLINK_SNR, 32 );
00291     vt.printf( "%5d", snr );
00292     // Counter
00293     vt.SetCursorPos( ROW_DOWNLINK_FCNT, 27 );
00294     vt.printf( "%10" PRIu32, counter );
00295     if( buffer != NULL )
00296     {
00297         // Port
00298         vt.SetCursorPos( ROW_DOWNLINK_FPORT, 34 );
00299         vt.printf( "%3u", port );
00300         // Data
00301         SerialDisplayUpdateData( ROW_DOWNLINK_PAYLOAD, buffer, bufferSize );
00302     }
00303     else
00304     {
00305         // Port
00306         vt.SetCursorPos( ROW_DOWNLINK_FPORT, 34 );
00307         vt.printf( "   " );
00308         // Data
00309         SerialDisplayUpdateData( ROW_DOWNLINK_PAYLOAD, NULL, 0 );
00310     }
00311 }
00312 #endif /* if 0 */
00313 
00314 void SerialDisplayDrawFirstLine( void )
00315 {
00316     vt.PutBoxDrawingChar( 'l' );
00317     for( int8_t i = 0; i <= 77; i++ )
00318     {
00319         vt.PutBoxDrawingChar( 'q' );
00320     }
00321     vt.PutBoxDrawingChar( 'k' );
00322     vt.printf( "\r\n" );
00323 }
00324 
00325 void SerialDisplayDrawTitle( const char* title )
00326 {
00327     vt.PutBoxDrawingChar( 'x' );
00328     vt.printf( "%s", title );
00329     vt.PutBoxDrawingChar( 'x' );
00330     vt.printf( "\r\n" );
00331 }
00332 void SerialDisplayDrawTopSeparator( void )
00333 {
00334     vt.PutBoxDrawingChar( 't' );
00335     for( int8_t i = 0; i <= 11; i++ )
00336     {
00337         vt.PutBoxDrawingChar( 'q' );
00338     }
00339     vt.PutBoxDrawingChar( 'w' );
00340     for( int8_t i = 0; i <= 64; i++ )
00341     {
00342         vt.PutBoxDrawingChar( 'q' );
00343     }
00344     vt.PutBoxDrawingChar( 'u' );
00345     vt.printf( "\r\n" );
00346 }
00347 
00348 void SerialDisplayDrawColSeparator( void )
00349 {
00350     vt.PutBoxDrawingChar( 'x' );
00351     for( int8_t i = 0; i <= 11; i++ )
00352     {
00353         vt.PutBoxDrawingChar( ' ' );
00354     }
00355     vt.PutBoxDrawingChar( 't' );
00356     for( int8_t i = 0; i <= 64; i++ )
00357     {
00358         vt.PutBoxDrawingChar( 'q' );
00359     }
00360     vt.PutBoxDrawingChar( 'u' );
00361     vt.printf( "\r\n" );
00362 }
00363 
00364 void SerialDisplayDrawSeparator( void )
00365 {
00366     vt.PutBoxDrawingChar( 't' );
00367     for( int8_t i = 0; i <= 11; i++ )
00368     {
00369         vt.PutBoxDrawingChar( 'q' );
00370     }
00371     vt.PutBoxDrawingChar( 'n' );
00372     for( int8_t i = 0; i <= 64; i++ )
00373     {
00374         vt.PutBoxDrawingChar( 'q' );
00375     }
00376     vt.PutBoxDrawingChar( 'u' );
00377     vt.printf( "\r\n" );
00378 }
00379 
00380 void SerialDisplayDrawLine( const char* firstCol, const char* secondCol )
00381 {
00382     vt.PutBoxDrawingChar( 'x' );
00383     vt.printf( "%s", firstCol );
00384     vt.PutBoxDrawingChar( 'x' );
00385     vt.printf( "%s", secondCol );
00386     vt.PutBoxDrawingChar( 'x' );
00387     vt.printf( "\r\n" );
00388 }
00389 
00390 void SerialDisplayDrawBottomLine( void )
00391 {
00392     vt.PutBoxDrawingChar( 'm' );
00393     for( int8_t i = 0; i <= 11; i++ )
00394     {
00395         vt.PutBoxDrawingChar( 'q' );
00396     }
00397     vt.PutBoxDrawingChar( 'v' );
00398     for( int8_t i = 0; i <= 64; i++ )
00399     {
00400         vt.PutBoxDrawingChar( 'q' );
00401     }
00402     vt.PutBoxDrawingChar( 'j' );
00403     vt.printf( "\r\n" );
00404 }
00405 
00406 void SerialDisplayInit( void )
00407 {
00408     vt.ClearScreen( 2 );
00409     vt.SetCursorMode( false );
00410     vt.SetCursorPos( 0, 0 );
00411     
00412     // "+-----------------------------------------------------------------------------+" );
00413     SerialDisplayDrawFirstLine( );
00414     // "¦                      LoRaWAN Demonstration Application                      ¦" );
00415     SerialDisplayDrawTitle( "                      LoRaWAN Demonstration Application                       " );
00416     // "+------------+----------------------------------------------------------------¦" );
00417     SerialDisplayDrawTopSeparator( );
00418 #ifdef LORAWAN_JOIN_EUI
00419     // "¦ Activation ¦ [ ]Over The Air                                                ¦" );
00420     SerialDisplayDrawLine( " Activation ", " [ ]Over The Air                                                 " );
00421     // "¦            ¦ DevEui    [__ __ __ __ __ __ __ __]                            ¦" );
00422     SerialDisplayDrawLine( "            ", " DevEui    [__ __ __ __ __ __ __ __]                             " );
00423     // "¦            ¦ JoinEui   [__ __ __ __ __ __ __ __]                            ¦" );
00424     SerialDisplayDrawLine( "            ", " JoinEui   [__ __ __ __ __ __ __ __]                             " );
00425     // "¦            ¦ NwkKey  [__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __]      ¦" );
00426     SerialDisplayDrawLine( "            ", " NwkKey      [__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __]   " );
00427 #ifdef OPTNEG
00428     SerialDisplayDrawLine( "            ", " AppKey      [__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __]   " );
00429 #endif
00430     // "¦            +----------------------------------------------------------------¦" );
00431     SerialDisplayDrawColSeparator( );
00432 #endif /* LORAWAN_JOIN_EUI */
00433     // "¦            ¦ [x]Personalisation                                             ¦" );
00434     SerialDisplayDrawLine( "            ", " [ ]Personalisation                                              " );
00435     // "¦            ¦ NwkId     [___]                                                ¦" );
00436     SerialDisplayDrawLine( "            ", " NwkId     [___]                                                 " );
00437     // "¦            ¦ DevAddr   [__ __ __ __]                                        ¦" );
00438     SerialDisplayDrawLine( "            ", " DevAddr   [__ __ __ __]                                         " );
00439 #ifdef OPTNEG
00440     SerialDisplayDrawLine( "            ", " FNwkSIntKey [__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __]   ");
00441     SerialDisplayDrawLine( "            ", " SNwkSIntKey [__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __]   ");
00442     SerialDisplayDrawLine( "            ", " NwkSEncKey  [__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __]   ");
00443 #else
00444     // "¦            ¦ NwkSKey   [__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __]    ¦" );
00445     SerialDisplayDrawLine( "            ", " NwkSKey     [__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __]   ");
00446 #endif
00447     // "¦            ¦ AppSKey   [__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __]    ¦" );
00448     SerialDisplayDrawLine( "            ", " AppSKey     [__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __]   ");
00449     // "+------------+----------------------------------------------------------------¦" );
00450     SerialDisplayDrawSeparator( );
00451     // "¦ MAC params ¦ [ ]Confirmed / [ ]Unconfirmed                                  ¦" );
00452     SerialDisplayDrawLine( " MAC params ", " [ ]Confirmed / [ ]Unconfirmed                                   " );
00453     // "¦            ¦ ADR       [   ]                                                ¦" );
00454     SerialDisplayDrawLine( "            ", " ADR       [   ]                                                 " );
00455     // "¦            ¦ Duty cycle[   ]                                                ¦" );
00456     SerialDisplayDrawLine( "            ", " Duty cycle[   ]                                                 " );
00457     // "+------------+----------------------------------------------------------------¦" );
00458     SerialDisplayDrawSeparator( );
00459     // "¦ Network    ¦ [ ]Public  / [ ]Private                                        ¦" );
00460     SerialDisplayDrawLine( " Network    ", " [ ]Public  / [ ]Private                                         " );
00461 #ifdef LORAWAN_JOIN_EUI
00462     // "¦            ¦ [ ]Joining / [ ]Joined                                         ¦" );
00463     SerialDisplayDrawLine( "            ", " [ ]Joining / [ ]Joined                                          " );
00464 #endif /* LORAWAN_JOIN_EUI */
00465     // "+------------+----------------------------------------------------------------¦" );
00466     SerialDisplayDrawSeparator( );
00467     // "¦ Uplink     ¦ Acked              [ ]                                         ¦" );
00468     SerialDisplayDrawLine( " Uplink     ", " Acked              [ ]                                          " );
00469     // "¦            ¦ Datarate        [    ]                                         ¦" );
00470     SerialDisplayDrawLine( "            ", " Datarate        [    ]                                          " );
00471     // "¦            ¦ Counter   [          ]                                         ¦" );
00472     SerialDisplayDrawLine( "            ", " Counter   [          ]                                          " );
00473     // "¦            ¦ Port             [   ]                                         ¦" );
00474     SerialDisplayDrawLine( "            ", " Port             [   ]                                          " );
00475     // "¦            ¦ Data      [__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __     ¦" );
00476     SerialDisplayDrawLine( "            ", " Data      [__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __      " );
00477     // "¦            ¦            __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __     ¦" );
00478     SerialDisplayDrawLine( "            ", "            __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __      " );
00479     // "¦            ¦            __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __     ¦" );
00480     SerialDisplayDrawLine( "            ", "            __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __      " );
00481     // "¦            ¦            __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __     ¦" );
00482     SerialDisplayDrawLine( "            ", "            __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __      " );
00483     // "+------------+----------------------------------------------------------------¦" );
00484     SerialDisplayDrawSeparator( );
00485     // "¦ Downlink   ¦ RSSI           [     ] dBm                                     ¦" );
00486     SerialDisplayDrawLine( " Downlink   ", " RSSI           [     ] dBm                                      " );
00487     // "¦ [ ]Data    ¦ SNR      [     ] dB                                            ¦" );
00488     SerialDisplayDrawLine( " [ ]Data    ", " SNR            [     ] dB                                       " );
00489     // "¦            ¦ Counter  [          ]                                          ¦" );
00490     // "¦            ¦ Counter   [          ]                                         ¦" );
00491     SerialDisplayDrawLine( "            ", " Counter   [          ]                                          " );
00492     // "¦            ¦ Port             [   ]                                         ¦" );
00493     SerialDisplayDrawLine( "            ", " Port             [   ]                                          " );
00494     // "¦            ¦ Data      [__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __     ¦" );
00495     SerialDisplayDrawLine( "            ", " Data      [__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __      " );
00496     // "¦            ¦            __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __     ¦" );
00497     SerialDisplayDrawLine( "            ", "            __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __      " );
00498     // "¦            ¦            __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __     ¦" );
00499     SerialDisplayDrawLine( "            ", "            __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __      " );
00500     // "¦            ¦            __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __     ¦" );
00501     SerialDisplayDrawLine( "            ", "            __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __      " );
00502     // "+------------+----------------------------------------------------------------+" );
00503     SerialDisplayDrawBottomLine( );
00504     vt.printf( "To refresh screen please hit 'r' key.\r\n" );
00505 }
00506 
00507 bool SerialDisplayReadable( void )
00508 {
00509     return vt.Readable( );
00510 }
00511 
00512 uint8_t SerialDisplayGetChar( void )
00513 {
00514     return vt.GetChar( );
00515 }
00516 
00517 #endif /* ENABLE_VT100 */
00518