Modularizando o src

Dependencies:   EALib EthernetInterface_vz mbed-rtos mbed

Fork of header_main_colinas_V0-20-09-14 by VZTECH

Revision:
113:db67ae00550e
Parent:
109:a5b8264ffbbc
Child:
114:472502b31a12
--- a/vz_protocol.cpp	Mon Apr 13 12:16:21 2015 +0000
+++ b/vz_protocol.cpp	Thu Apr 16 12:57:13 2015 +0000
@@ -40,76 +40,79 @@
     fclose( end_ext );
 }
 
-uint8_t * __parse_vz_pkg__( int * ext, int * port, volatile uint8_t * type, uint8_t * cb_buffer ){
+uint8_t * parse_vz_pkg( int * ext, int * port, volatile uint8_t * type, uint8_t * cb_buffer ){
     uint8_t p_lsb, p_msb;
     uint8_t e_lsb, e_msb;
     
     if( ( ext && port && type && cb_buffer ) == NULL ) return( NULL );
-    
-    if( cb_buffer[ 6 ] == __FLOOD__ ){
-        flood_counter++;
-        static uint8_t flood_cnt = 0;
-        static uint8_t first_run_flag = 0;
-        static Timer t;
-        if (first_run_flag == 0) {
-            flood_cnt = cb_buffer[0];
-            first_run_flag++;
-            t.start();
-        } else {
-            if (cb_buffer[0] == 0x00){
-                if( debug_uart3 ) pc.printf("%d", t.read_us());
-                if( tcp_session ){
-                    char tmp[ 16 ];
-                    sprintf( tmp, "%d", t.read_us() );
-                    tcp_client.send_all( tmp, strlen( tmp ) );
-                }
-            }
-            flood_cnt++;
-            while (flood_cnt != cb_buffer[0]) {
-                if( debug_uart3 ) pc.printf("0");
-                flood_cnt++;
-                if( tcp_session ){
-                    tcp_client.send_all( "0", strlen( "0" ) );
-                }
-            }
-            int i;
-            int ok = 1;
-            uint8_t cmp;
-            for (i=0, cmp=cb_buffer[0]; (i<300) && (ok==1); i++, cmp++) {
-                if (i != 6) {
-                    if (cb_buffer[i] != cmp) ok = 0;
-                }
-            }
-            if( ok ){
-                if( debug_uart3 ) pc.printf("+");
-                if( tcp_session ){
-                    tcp_client.send_all( "+", strlen( "+" ) );
-                }
-            }else{
-                if( debug_uart3 ) pc.printf("%02x",cb_buffer[0] );
-                if( debug_uart3 ) pc.printf("#");
-                if( debug_uart3 ) pc.printf("\n\r");
-                if( tcp_session ){
-                    char tmp[ 16 ];
-                    sprintf( tmp, "%02x#\n\r", cb_buffer[ 0 ] );
-                    tcp_client.send_all( tmp, strlen( tmp ) );
-                }
-                for( int i = 0; i < 300 ; i++ ){
-                    if( debug_uart3 ) pc.printf("%x", cb_buffer[ i ]);
-                    if( tcp_session ){
+
+    //tratamento dos pacotes do tipo flood logo na chegada
+    {    
+        if( cb_buffer[ 6 ] == __FLOOD__ ){
+            flood_counter++;
+            static uint8_t flood_cnt = 0;
+            static uint8_t first_run_flag = 0;
+            static Timer t;
+            if (first_run_flag == 0) {
+                flood_cnt = cb_buffer[0];
+                first_run_flag++;
+                t.start();
+            } else {
+                if (cb_buffer[0] == 0x00){
+                    if( debug_uart3 ) pc.printf("%d", t.read_us());
+                    if( tcp_session && !udp_query ){
                         char tmp[ 16 ];
-                        sprintf( tmp, "%x", cb_buffer[ i ] );
+                        sprintf( tmp, "%d", t.read_us() );
                         tcp_client.send_all( tmp, strlen( tmp ) );
                     }
                 }
+                flood_cnt++;
+                while (flood_cnt != cb_buffer[0]) {
+                    if( debug_uart3 ) pc.printf("0");
+                    flood_cnt++;
+                    if( tcp_session && !udp_query ){
+                        tcp_client.send_all( "0", strlen( "0" ) );
+                    }
+                }
+                int i;
+                int ok = 1;
+                uint8_t cmp;
+                for (i=0, cmp=cb_buffer[0]; (i<300) && (ok==1); i++, cmp++) {
+                    if (i != 6) {
+                        if (cb_buffer[i] != cmp) ok = 0;
+                    }
+                }
+                if( ok ){
+                    if( debug_uart3 ) pc.printf("+");
+                    if( tcp_session && !udp_query ){
+                        tcp_client.send_all( "+", strlen( "+" ) );
+                    }
+                }else{
+                    if( debug_uart3 ) pc.printf("%02x",cb_buffer[0] );
+                    if( debug_uart3 ) pc.printf("#");
+                    if( debug_uart3 ) pc.printf("\n\r");
+                    if( tcp_session && !udp_query ){
+                        char tmp[ 16 ];
+                        sprintf( tmp, "%02x#\n\r", cb_buffer[ 0 ] );
+                        tcp_client.send_all( tmp, strlen( tmp ) );
+                    }
+                    for( int i = 0; i < 300 ; i++ ){
+                        if( debug_uart3 ) pc.printf("%x", cb_buffer[ i ]);
+                        if( tcp_session && !udp_query ){
+                            char tmp[ 16 ];
+                            sprintf( tmp, "%x", cb_buffer[ i ] );
+                            tcp_client.send_all( tmp, strlen( tmp ) );
+                        }
+                    }
+                }
             }
+            return( NULL );
         }
-        return( NULL );
-    }
+    }//fim tratamento do flood
     
     uint16_t cc = ( uint16_t )cb_buffer[ 4 ] << 8 | cb_buffer[ 5 ];
     
-    uint16_t cc_calculated = __checksum__( cb_buffer, __CB_BUFFER_SIZE__ );
+    uint16_t cc_calculated = __checksum__( cb_buffer, CB_BUFFER_SIZE );
     
     if( cc != cc_calculated ){
         if( debug_cks_err ) send_msg( "Received PKG, but -- CKS ERROR: %d ( %d )", cc_calculated, cc );
@@ -133,10 +136,6 @@
             return( NULL );
         }
         
-        //if( 
-        //( ( cb_buffer[ 0 ] == cb_buffer[ 2 ] ) || ( cb_buffer[ 1 ] == cb_buffer[ 3 ] ) ) ) 
-        //debug_msg("[0](%u),[1](%u),[2](%u),[3](%u)", cb_buffer[ 0 ], cb_buffer[ 1 ], cb_buffer[ 2 ], cb_buffer[ 3 ] );
-        
         p_msb = cb_buffer[ 2 ];
         p_lsb = cb_buffer[ 3 ];
         *port = p_msb << 8 | p_lsb; 
@@ -150,7 +149,14 @@
         return( cb_buffer + __VZ_HEADER_OFFSET__ );    
     }
 }
-uint8_t * __build_cb_package__( int ext, int port, uint8_t type, char * cb_buffer, uint8_t seq_num, int length,  uint8_t * pkg ){
+uint8_t * build_cb_package( int ext, int port, uint8_t type, char * cb_buffer, uint8_t seq_num, int length,  uint8_t * pkg ){    
+    //checa se o fuffer de src e dst dos dados estao alocados
+    if( ( cb_buffer == NULL ) || ( pkg == NULL ) ) return NULL;
+    
+    //apaga as posicoes de memoria onde serah montado o pacote
+    for( register int i = 0; i < CB_BUFFER_SIZE; i++ ) pkg[ i ] = 0;
+    
+    //coloca ramal ( MSB ), ramal ( LSB ), porta ( MSB ), porta ( LSB ) e tipo nas posicoes destino
     pkg[ 0 ] = ( uint8_t )( ( ext & 0xFF00 ) >> 8 );                                                                                      
     pkg[ 1 ] = ( uint8_t )( ext & 0x00FF );                                                                                                                                                                                                                                 
     pkg[ 2 ] = ( uint8_t )( ( port & 0xFF00 ) >> 8 );                      
@@ -158,61 +164,95 @@
                                                                                                                                         
     pkg[ 6 ] = type;
     
-    size_t fill = 0x00;
-    
-    if( type == __AUDIO__ ){
-        for( register int i = __VZ_HEADER_OFFSET__; i < length + __VZ_HEADER_OFFSET__; i++ )
-            pkg[ i ] = ( uint8_t )cb_buffer[ i - __VZ_HEADER_OFFSET__ ];
-        fill = length + __VZ_HEADER_OFFSET__;
-    }else if( type == __INVITE__ ){
-        pkg[ 7 ] = seq_num;
-        __print_clock__( pkg + 8 );
-        
-        pkg[ __TIMESLICE_PLACE__ ] = cb_buffer[ __TIMESLICE_PLACE__ ];
-        fill = __TIMESLICE_PLACE__ + 1;
-    }else if( type == __REGISTRY__ || type == __BOOT__ ){
-        pkg[ 7 ] = seq_num;
-        __print_clock__( pkg + 8 );
-        
-        fill = __VZ_HEADER_OFFSET__ + __CLOCK_SYNC_SIZE__ + __SEQ_NUM_SIZE__;
-    }else if( type == __CB_BYE__ ){
-        pkg[ 7 ] = seq_num;
-        __print_clock__( pkg + 8 );
-        
-        pkg[ __TIMESLICE_PLACE__ ] = cb_buffer[ __TIMESLICE_PLACE__ ];
-        fill = __TIMESLICE_PLACE__ + 1;
-    }else if( type == __PROMPT__ ){
-        __print_clock__( pkg + 8 );
+    //preenche os dados de acordo com o tipo do pacote transmitido
+    size_t fill = __VZ_HEADER_OFFSET__;
+    switch( type )
+    {
+        case __AUDIO__  :{
+                for( register int i = __VZ_HEADER_OFFSET__; i < length + __VZ_HEADER_OFFSET__; i++ )
+                    pkg[ i ] = ( uint8_t )cb_buffer[ i - __VZ_HEADER_OFFSET__ ];
+                
+                fill = length + __VZ_HEADER_OFFSET__;            
+                break;
+        }
+        case __INVITE__ :{
+                pkg[ 7 ] = seq_num;
+                __print_clock__( pkg + 8 );
+                pkg[ __TIMESLICE_PLACE__ ] = cb_buffer[ __TIMESLICE_PLACE__ ];
+                fill = __TIMESLICE_PLACE__ + 1;
+                break;
+        }
         
-        xmemcpy((pkg+7), (uint8_t*)cb_buffer, 293);
-        //FIXME isso forca qualquer cmd ter < 100 chars
-        fill = 100;
-    }else if( type == __TELEMETRY__ ){
-        pkg[ 7 ] = seq_num;
-        __print_clock__( pkg + 8 );
-        
-        pkg[ __TIMESLICE_PLACE__ ] = cb_buffer[ __TIMESLICE_PLACE__ ];
-        fill = __TIMESLICE_PLACE__ + 1;
-    }else if( type == __BOOTLOADER_CBX__ ){
-        pkg[ 7 ] = seq_num;
-        __print_clock__( pkg + 8 );
-        
-        fill = __VZ_HEADER_OFFSET__ + __CLOCK_SYNC_SIZE__ + __SEQ_NUM_SIZE__;
-    }else{
-        fill = __VZ_HEADER_OFFSET__;
-    }
+        case __REGISTRY__  :{
+                pkg[ 7 ] = seq_num;
+                __print_clock__( pkg + 8 );
+                fill = __VZ_HEADER_OFFSET__ + __CLOCK_SYNC_SIZE__ + __SEQ_NUM_SIZE__;
+                break;
+        }
+        case __BOOT__ :{
+                pkg[ 7 ] = seq_num;
+                __print_clock__( pkg + 8 );
+                fill = __VZ_HEADER_OFFSET__ + __CLOCK_SYNC_SIZE__ + __SEQ_NUM_SIZE__;
+                break;
+        }
+        case __CB_BYE__ :{
+                pkg[ 7 ] = seq_num;
+                __print_clock__( pkg + 8 );
+                pkg[ __TIMESLICE_PLACE__ ] = cb_buffer[ __TIMESLICE_PLACE__ ];
+                fill = __TIMESLICE_PLACE__ + 1;
+                break;
+        }
+        case __PROMPT__ :{
+                strcpy( ( char * )( pkg + __VZ_HEADER_OFFSET__ ), cb_buffer );
+                fill = strlen( cb_buffer ) + __VZ_HEADER_OFFSET__;
+                break;
+        }
+        case __TELEMETRY__ :{
+                pkg[ 7 ] = seq_num;
+                __print_clock__( pkg + 8 );
+                //FIXME a header manda pacotes de tele pro cbx ?
+                pkg[ __TIMESLICE_PLACE__ ] = cb_buffer[ __TIMESLICE_PLACE__ ];
+                fill = __TIMESLICE_PLACE__ + 1;
+                break;
+        }
+        case __BL__ :{
+                pkg[ 7 ] = seq_num;
+                __print_clock__( pkg + 8 );
+                fill = __VZ_HEADER_OFFSET__ + __CLOCK_SYNC_SIZE__ + __SEQ_NUM_SIZE__;
+                break;
+        }
+    }//fim switch
     
-    for( register uint16_t i = fill; i < __CB_BUFFER_SIZE__; i++ ) pkg[ i ] = 0x00;
+    //preenche o final do pacote com 0
+    for( register uint16_t i = fill; i < CB_BUFFER_SIZE; i++ ) pkg[ i ] = 0x00;
     
-    pkg[ __CB_BUFFER_SIZE__ - 4 ] = 0x5a;
-    pkg[ __CB_BUFFER_SIZE__ - 3 ] = 0x56;
-    pkg[ __CB_BUFFER_SIZE__ - 2 ] = 0x5a;
-    pkg[ __CB_BUFFER_SIZE__ - 1 ] = 0xe1;
+    //colocando o terminador de pacotes estabelecido pelo protocolo
+    pkg[ CB_BUFFER_SIZE - 4 ] = 0x5a;
+    pkg[ CB_BUFFER_SIZE - 3 ] = 0x56;
+    pkg[ CB_BUFFER_SIZE - 2 ] = 0x5a;
+    pkg[ CB_BUFFER_SIZE - 1 ] = 0xe1;
     
-    uint16_t cc = __checksum__( pkg, __CB_BUFFER_SIZE__ );
+    //calcula e preenche o checksum
+    uint16_t cc = __checksum__( pkg, CB_BUFFER_SIZE );
     pkg[ 4 ] =( uint8_t )( ( cc & 0xFF00 ) >> 8) ;
     pkg[ 5 ] =( uint8_t )( cc & 0x00FF );
     
+    //enable/disable de exibicao de pacotes prontos para envio
+    if( debug_show_cpld ) {
+        char str[ 1024 ];
+        strcpy( str, "TX :: \n\r " );
+        for( register uint16_t i = 0; i < CB_BUFFER_SIZE; i++ ) {
+            char tmp[ 16 ];
+            strcat( str, itoa( pkg[ i ], tmp, 16 ) );
+            if( ( i != 0 ) && !( ( i + 1 ) % 50 ) ) strcat( str, "\n\r " );
+
+            else strcat( str, " " );
+        }
+        send_msg( "%s", str );
+        //rx = false;
+    }
+    
+    //retorna o ultimo paramentro recebido com o pacote montado.
     return pkg;
 }