VZTECH / Mbed 2 deprecated main_src

Modularizando o src

Dependencies:   EALib EthernetInterface_vz mbed-rtos mbed

Fork of header_main_colinas_V0-20-09-14 by VZTECH

vz_protocol.cpp@119:ee6a53069455, 2015-04-30 (annotated)

Committer:
klauss
Date:
Thu Apr 30 15:42:41 2015 +0000
Revision:
119:ee6a53069455
Parent:
117:e9facba9db27
Child:
121:ee02790d00b7
funcionalidade - clock "ogro" - implementada

Who changed what in which revision?

UserRevisionLine numberNew contents of line
klauss 0:4d17cd9c8f9d 1 #include "vz_protocol.h"
klauss 72:895ca792c647 2
klauss 78:1353744f01e1 3 uint32_t pkg_ckserr = 0;
klauss 78:1353744f01e1 4 uint32_t pkg_zero = 0;
klauss 78:1353744f01e1 5 uint32_t pkg_cksok = 0;
klauss 81:3656f00ab3db 6 int begin = 0;
klauss 81:3656f00ab3db 7 int end = 0;
klauss 81:3656f00ab3db 8
klauss 119:ee6a53069455 9 int init_ranges( void ){
klauss 81:3656f00ab3db 10 FILE * begin_ext = fopen( "/qspi/minext.txt", "r" );
klauss 81:3656f00ab3db 11 if( begin_ext == NULL ){
klauss 81:3656f00ab3db 12 if( debug_out_of_range ) debug_msg("Failed to open /qspi/minext.txt" );
klauss 81:3656f00ab3db 13 begin = MIN_EXT;
klauss 81:3656f00ab3db 14 }else{
klauss 81:3656f00ab3db 15 char inner_tmp[ 20 ];
klauss 81:3656f00ab3db 16 if( fread( (void *)inner_tmp, 1, 20, begin_ext ) > 0 ){
klauss 81:3656f00ab3db 17 begin = atoi( inner_tmp );
klauss 81:3656f00ab3db 18 if( debug_out_of_range ) debug_msg("Ext Min %d", begin );
klauss 81:3656f00ab3db 19 }else{
klauss 81:3656f00ab3db 20 if( debug_out_of_range ) debug_msg("Failed to read /qspi/minext.txt" );
klauss 81:3656f00ab3db 21 begin = MIN_EXT;
klauss 81:3656f00ab3db 22 }
klauss 81:3656f00ab3db 23 }
klauss 81:3656f00ab3db 24 fclose( begin_ext );
klauss 81:3656f00ab3db 25
klauss 81:3656f00ab3db 26 FILE * end_ext = fopen( "/qspi/maxext.txt", "r" );
klauss 81:3656f00ab3db 27 if( end_ext == NULL ){
klauss 81:3656f00ab3db 28 if( debug_out_of_range ) debug_msg("Failed to open /qspi/maxext.txt" );
klauss 81:3656f00ab3db 29 end = MAX_EXT;
klauss 81:3656f00ab3db 30 }else{
klauss 81:3656f00ab3db 31 char inner_tmp[ 20 ];
klauss 81:3656f00ab3db 32 if( fread( (void *)inner_tmp, 1, 20, end_ext ) > 0 ){
klauss 81:3656f00ab3db 33 end = atoi( inner_tmp );
klauss 81:3656f00ab3db 34 if( debug_out_of_range ) debug_msg("Ext Min %d", end );
klauss 81:3656f00ab3db 35 }else{
klauss 81:3656f00ab3db 36 if( debug_out_of_range ) debug_msg("Failed to read /qspi/maxext.txt" );
klauss 81:3656f00ab3db 37 begin = MAX_EXT;
klauss 81:3656f00ab3db 38 }
klauss 81:3656f00ab3db 39 }
klauss 89:0fe315117b00 40 fclose( end_ext );
klauss 119:ee6a53069455 41
klauss 119:ee6a53069455 42 return ( 0 );
klauss 81:3656f00ab3db 43 }
Cola 20:2d6ab23956e5 44
klauss 119:ee6a53069455 45 uint8_t * parse_vz_pkg( int * ext, int * port, volatile uint8_t * type, uint8_t * cb_buffer ){
klauss 0:4d17cd9c8f9d 46 uint8_t p_lsb, p_msb;
klauss 0:4d17cd9c8f9d 47 uint8_t e_lsb, e_msb;
klauss 0:4d17cd9c8f9d 48
klauss 81:3656f00ab3db 49 if( ( ext && port && type && cb_buffer ) == NULL ) return( NULL );
klauss 114:472502b31a12 50
klauss 119:ee6a53069455 51 //tratamento dos pacotes do tipo flood logo na chegada
klauss 119:ee6a53069455 52 {
klauss 119:ee6a53069455 53 if( cb_buffer[ 6 ] == FLOOD ){
klauss 119:ee6a53069455 54 flood_counter++;
klauss 119:ee6a53069455 55 static uint8_t flood_cnt = 0;
klauss 119:ee6a53069455 56 static uint8_t first_run_flag = 0;
klauss 119:ee6a53069455 57 static Timer t;
klauss 119:ee6a53069455 58 if (first_run_flag == 0) {
klauss 119:ee6a53069455 59 flood_cnt = cb_buffer[0];
klauss 119:ee6a53069455 60 first_run_flag++;
klauss 119:ee6a53069455 61 t.start();
klauss 119:ee6a53069455 62 } else {
klauss 119:ee6a53069455 63 if (cb_buffer[0] == 0x00){
klauss 119:ee6a53069455 64 if( debug_uart3 ) pc.printf("%d", t.read_us());
klauss 119:ee6a53069455 65 if( tcp_session && !udp_query ){
klauss 48:195c97f12e8e 66 char tmp[ 16 ];
klauss 119:ee6a53069455 67 sprintf( tmp, "%d", t.read_us() );
klauss 48:195c97f12e8e 68 tcp_client.send_all( tmp, strlen( tmp ) );
klauss 48:195c97f12e8e 69 }
klauss 48:195c97f12e8e 70 }
klauss 119:ee6a53069455 71 flood_cnt++;
klauss 119:ee6a53069455 72 while (flood_cnt != cb_buffer[0]) {
klauss 119:ee6a53069455 73 if( debug_uart3 ) pc.printf("0");
klauss 119:ee6a53069455 74 flood_cnt++;
klauss 119:ee6a53069455 75 if( tcp_session && !udp_query ){
klauss 119:ee6a53069455 76 tcp_client.send_all( "0", strlen( "0" ) );
klauss 119:ee6a53069455 77 }
klauss 119:ee6a53069455 78 }
klauss 119:ee6a53069455 79 int i;
klauss 119:ee6a53069455 80 int ok = 1;
klauss 119:ee6a53069455 81 uint8_t cmp;
klauss 119:ee6a53069455 82 for (i=0, cmp=cb_buffer[0]; (i<300) && (ok==1); i++, cmp++) {
klauss 119:ee6a53069455 83 if (i != 6) {
klauss 119:ee6a53069455 84 if (cb_buffer[i] != cmp) ok = 0;
klauss 119:ee6a53069455 85 }
klauss 119:ee6a53069455 86 }
klauss 119:ee6a53069455 87 if( ok ){
klauss 119:ee6a53069455 88 if( debug_uart3 ) pc.printf("+");
klauss 119:ee6a53069455 89 if( tcp_session && !udp_query ){
klauss 119:ee6a53069455 90 tcp_client.send_all( "+", strlen( "+" ) );
klauss 119:ee6a53069455 91 }
klauss 119:ee6a53069455 92 }else{
klauss 119:ee6a53069455 93 if( debug_uart3 ) pc.printf("%02x",cb_buffer[0] );
klauss 119:ee6a53069455 94 if( debug_uart3 ) pc.printf("#");
klauss 119:ee6a53069455 95 if( debug_uart3 ) pc.printf("\n\r");
klauss 119:ee6a53069455 96 if( tcp_session && !udp_query ){
klauss 119:ee6a53069455 97 char tmp[ 16 ];
klauss 119:ee6a53069455 98 sprintf( tmp, "%02x#\n\r", cb_buffer[ 0 ] );
klauss 119:ee6a53069455 99 tcp_client.send_all( tmp, strlen( tmp ) );
klauss 119:ee6a53069455 100 }
klauss 119:ee6a53069455 101 for( int i = 0; i < 300 ; i++ ){
klauss 119:ee6a53069455 102 if( debug_uart3 ) pc.printf("%x", cb_buffer[ i ]);
klauss 119:ee6a53069455 103 if( tcp_session && !udp_query ){
klauss 119:ee6a53069455 104 char tmp[ 16 ];
klauss 119:ee6a53069455 105 sprintf( tmp, "%x", cb_buffer[ i ] );
klauss 119:ee6a53069455 106 tcp_client.send_all( tmp, strlen( tmp ) );
klauss 119:ee6a53069455 107 }
klauss 119:ee6a53069455 108 }
klauss 119:ee6a53069455 109 }
Cola 21:0bd688722e81 110 }
klauss 119:ee6a53069455 111 return( NULL );
Cola 21:0bd688722e81 112 }
klauss 119:ee6a53069455 113 }//fim tratamento do flood
Cola 21:0bd688722e81 114
klauss 0:4d17cd9c8f9d 115 uint16_t cc = ( uint16_t )cb_buffer[ 4 ] << 8 | cb_buffer[ 5 ];
klauss 0:4d17cd9c8f9d 116
klauss 119:ee6a53069455 117 uint16_t cc_calculated = vz_checksum( cb_buffer, CB_BUFFER_SIZE );
klauss 78:1353744f01e1 118
klauss 78:1353744f01e1 119 if( cc != cc_calculated ){
klauss 78:1353744f01e1 120 if( debug_cks_err ) send_msg( "Received PKG, but -- CKS ERROR: %d ( %d )", cc_calculated, cc );
klauss 78:1353744f01e1 121
klauss 78:1353744f01e1 122 if( cc_calculated == 30975 && cc == 0 ){
klauss 78:1353744f01e1 123 pkg_zero++;
klauss 78:1353744f01e1 124 }else{
Cola 20:2d6ab23956e5 125 pkg_ckserr++;
klauss 78:1353744f01e1 126 }
klauss 78:1353744f01e1 127 return( NULL );
klauss 0:4d17cd9c8f9d 128 }else{
Cola 20:2d6ab23956e5 129 pkg_cksok++;
klauss 0:4d17cd9c8f9d 130 e_msb = cb_buffer[ 0 ];
klauss 0:4d17cd9c8f9d 131 e_lsb = cb_buffer[ 1 ];
klauss 0:4d17cd9c8f9d 132 *ext = e_msb << 8 | e_lsb;
klauss 79:9bc12aa305a9 133
klauss 81:3656f00ab3db 134 //restriçao de controle para cbx malucos
klauss 81:3656f00ab3db 135 if( *ext < begin || *ext > end ){
klauss 81:3656f00ab3db 136 if( debug_out_of_range ) send_msg("Trying from %d", *ext );
klauss 79:9bc12aa305a9 137 out_of_range++;
klauss 79:9bc12aa305a9 138 return( NULL );
klauss 79:9bc12aa305a9 139 }
klauss 81:3656f00ab3db 140
klauss 0:4d17cd9c8f9d 141 p_msb = cb_buffer[ 2 ];
klauss 0:4d17cd9c8f9d 142 p_lsb = cb_buffer[ 3 ];
klauss 0:4d17cd9c8f9d 143 *port = p_msb << 8 | p_lsb;
klauss 0:4d17cd9c8f9d 144
klauss 98:43b45f26b430 145 if( debug_port_match ) if( *ext == *port ) debug_msg("%u:%u", *ext, *port );
klauss 98:43b45f26b430 146
klauss 0:4d17cd9c8f9d 147 *type = cb_buffer[ 6 ];
klauss 0:4d17cd9c8f9d 148
klauss 119:ee6a53069455 149 if( ( ( *port < BASE_PORT ) || ( *port >= ( BASE_PORT + MAX_CB_IN_A_BRANCH ) ) && ( *type == TELEMETRY ) ) ) return NULL;
klauss 119:ee6a53069455 150
klauss 119:ee6a53069455 151 return( cb_buffer + VZ_HEADER_OFFSET );
klauss 0:4d17cd9c8f9d 152 }
klauss 0:4d17cd9c8f9d 153 }
klauss 119:ee6a53069455 154 uint8_t * build_cb_package( int ext, int port, uint8_t type, char * cb_buffer, uint8_t seq_num, int length, uint8_t * pkg ){
klauss 119:ee6a53069455 155 //checa se o fuffer de src e dst dos dados estao alocados
klauss 119:ee6a53069455 156 if( ( cb_buffer == NULL ) || ( pkg == NULL ) ) return NULL;
klauss 119:ee6a53069455 157
klauss 119:ee6a53069455 158 //apaga as posicoes de memoria onde serah montado o pacote
klauss 119:ee6a53069455 159 for( register int i = 0; i < CB_BUFFER_SIZE; i++ ) pkg[ i ] = 0;
klauss 119:ee6a53069455 160
klauss 119:ee6a53069455 161 //coloca ramal ( MSB ), ramal ( LSB ), porta ( MSB ), porta ( LSB ) e tipo nas posicoes destino
klauss 0:4d17cd9c8f9d 162 pkg[ 0 ] = ( uint8_t )( ( ext & 0xFF00 ) >> 8 );
klauss 0:4d17cd9c8f9d 163 pkg[ 1 ] = ( uint8_t )( ext & 0x00FF );
klauss 0:4d17cd9c8f9d 164 pkg[ 2 ] = ( uint8_t )( ( port & 0xFF00 ) >> 8 );
klauss 0:4d17cd9c8f9d 165 pkg[ 3 ] = ( uint8_t )( port & 0x00FF );
klauss 0:4d17cd9c8f9d 166
klauss 0:4d17cd9c8f9d 167 pkg[ 6 ] = type;
klauss 0:4d17cd9c8f9d 168
klauss 119:ee6a53069455 169 //preenche os dados de acordo com o tipo do pacote transmitido
klauss 119:ee6a53069455 170 size_t fill = VZ_HEADER_OFFSET;
klauss 119:ee6a53069455 171 switch( type )
klauss 119:ee6a53069455 172 {
klauss 119:ee6a53069455 173 case AUDIO :{
klauss 119:ee6a53069455 174 for( register int i = VZ_HEADER_OFFSET; i < length + VZ_HEADER_OFFSET; i++ )
klauss 119:ee6a53069455 175 pkg[ i ] = ( uint8_t )cb_buffer[ i - VZ_HEADER_OFFSET ];
klauss 119:ee6a53069455 176
klauss 119:ee6a53069455 177 fill = length + VZ_HEADER_OFFSET;
klauss 119:ee6a53069455 178 break;
klauss 119:ee6a53069455 179 }
klauss 119:ee6a53069455 180 case INVITE :{
klauss 119:ee6a53069455 181 pkg[ 7 ] = seq_num;
klauss 119:ee6a53069455 182 print_clock( pkg + 8 );
klauss 119:ee6a53069455 183 pkg[ TIMESLICE_PLACE ] = cb_buffer[ TIMESLICE_PLACE ];
klauss 119:ee6a53069455 184 fill = TIMESLICE_PLACE + 1;
klauss 119:ee6a53069455 185 break;
klauss 119:ee6a53069455 186 }
klauss 92:92df17f538a8 187
klauss 119:ee6a53069455 188 case REGISTRY :{
klauss 119:ee6a53069455 189 pkg[ 7 ] = seq_num;
klauss 119:ee6a53069455 190 print_clock( pkg + 8 );
klauss 119:ee6a53069455 191 fill = VZ_HEADER_OFFSET + CLOCK_SYNC_SIZE + SEQ_NUM_SIZE;
klauss 119:ee6a53069455 192 break;
klauss 119:ee6a53069455 193 }
klauss 119:ee6a53069455 194 case BOOT :{
klauss 119:ee6a53069455 195 pkg[ 7 ] = seq_num;
klauss 119:ee6a53069455 196 print_clock( pkg + 8 );
klauss 119:ee6a53069455 197 fill = VZ_HEADER_OFFSET + CLOCK_SYNC_SIZE + SEQ_NUM_SIZE;
klauss 119:ee6a53069455 198 break;
klauss 119:ee6a53069455 199 }
klauss 119:ee6a53069455 200 case CB_BYE :{
klauss 119:ee6a53069455 201 pkg[ 7 ] = seq_num;
klauss 119:ee6a53069455 202 print_clock( pkg + 8 );
klauss 119:ee6a53069455 203 pkg[ TIMESLICE_PLACE ] = cb_buffer[ TIMESLICE_PLACE ];
klauss 119:ee6a53069455 204 fill = TIMESLICE_PLACE + 1;
klauss 119:ee6a53069455 205 break;
klauss 119:ee6a53069455 206 }
klauss 119:ee6a53069455 207 case PROMPT :{
klauss 119:ee6a53069455 208 strcpy( ( char * )( pkg + VZ_HEADER_OFFSET ), cb_buffer );
klauss 119:ee6a53069455 209 fill = strlen( cb_buffer ) + VZ_HEADER_OFFSET;
klauss 119:ee6a53069455 210 break;
klauss 119:ee6a53069455 211 }
klauss 119:ee6a53069455 212 case TELEMETRY :{
klauss 119:ee6a53069455 213 pkg[ 7 ] = seq_num;
klauss 119:ee6a53069455 214 print_clock( pkg + 8 );
klauss 119:ee6a53069455 215 //FIXME a header manda pacotes de tele pro cbx ?
klauss 119:ee6a53069455 216 pkg[ TIMESLICE_PLACE ] = cb_buffer[ TIMESLICE_PLACE ];
klauss 119:ee6a53069455 217 fill = TIMESLICE_PLACE + 1;
klauss 119:ee6a53069455 218 break;
klauss 119:ee6a53069455 219 }
klauss 119:ee6a53069455 220 case BOOTLOADER_CBX :{
klauss 119:ee6a53069455 221 xmemcpy((pkg + 7),(uint8_t *)cb_buffer,length);
klauss 119:ee6a53069455 222 fill = VZ_HEADER_OFFSET + length;
klauss 119:ee6a53069455 223 break;
klauss 119:ee6a53069455 224 }
klauss 119:ee6a53069455 225 }//fim switch
klauss 0:4d17cd9c8f9d 226
klauss 119:ee6a53069455 227 //preenche o final do pacote com 0
klauss 119:ee6a53069455 228 for( register uint16_t i = fill; i < CB_BUFFER_SIZE; i++ ) pkg[ i ] = 0x00;
klauss 0:4d17cd9c8f9d 229
klauss 119:ee6a53069455 230 //colocando o terminador de pacotes estabelecido pelo protocolo
klauss 119:ee6a53069455 231 pkg[ CB_BUFFER_SIZE - 4 ] = 0x5a;
klauss 119:ee6a53069455 232 pkg[ CB_BUFFER_SIZE - 3 ] = 0x56;
klauss 119:ee6a53069455 233 pkg[ CB_BUFFER_SIZE - 2 ] = 0x5a;
klauss 119:ee6a53069455 234 pkg[ CB_BUFFER_SIZE - 1 ] = 0xe1;
klauss 100:09a23fcd3bdf 235
klauss 119:ee6a53069455 236 //calcula e preenche o checksum
klauss 119:ee6a53069455 237 uint16_t cc = vz_checksum( pkg, CB_BUFFER_SIZE );
klauss 0:4d17cd9c8f9d 238 pkg[ 4 ] =( uint8_t )( ( cc & 0xFF00 ) >> 8) ;
klauss 0:4d17cd9c8f9d 239 pkg[ 5 ] =( uint8_t )( cc & 0x00FF );
klauss 0:4d17cd9c8f9d 240
klauss 119:ee6a53069455 241 //enable/disable de exibicao de pacotes prontos para envio
klauss 119:ee6a53069455 242 if( debug_show_cpld ) {
klauss 119:ee6a53069455 243 char str[ 1024 ];
klauss 119:ee6a53069455 244 strcpy( str, "TX :: \n\r " );
klauss 119:ee6a53069455 245 for( register uint16_t i = 0; i < CB_BUFFER_SIZE; i++ ) {
klauss 119:ee6a53069455 246 char tmp[ 16 ];
klauss 119:ee6a53069455 247 strcat( str, itoa( pkg[ i ], tmp, 16 ) );
klauss 119:ee6a53069455 248 if( ( i != 0 ) && !( ( i + 1 ) % 50 ) ) strcat( str, "\n\r " );
klauss 119:ee6a53069455 249
klauss 119:ee6a53069455 250 else strcat( str, " " );
klauss 119:ee6a53069455 251 }
klauss 119:ee6a53069455 252 send_msg( "%s", str );
klauss 119:ee6a53069455 253 }
klauss 119:ee6a53069455 254
klauss 119:ee6a53069455 255 //retorna o ultimo paramentro recebido com o pacote montado.
klauss 0:4d17cd9c8f9d 256 return pkg;
klauss 0:4d17cd9c8f9d 257 }
klauss 0:4d17cd9c8f9d 258
klauss 119:ee6a53069455 259 uint16_t vz_checksum ( uint8_t * buffer, size_t length )
klauss 119:ee6a53069455 260 {
klauss 70:714c33487aae 261 if( !buffer ) return( 0 );
klauss 0:4d17cd9c8f9d 262 uint16_t cc = 0x00;
klauss 0:4d17cd9c8f9d 263 buffer[ 4 ] = buffer[ 5 ] = 0x5a;
klauss 0:4d17cd9c8f9d 264 for( register int i = 0; i < length; i++ ){
klauss 0:4d17cd9c8f9d 265 cc += buffer[ i ];
klauss 0:4d17cd9c8f9d 266 if( cc & BIT15 ){
klauss 0:4d17cd9c8f9d 267 cc <<= 1;
klauss 0:4d17cd9c8f9d 268 cc |= BIT0;
klauss 0:4d17cd9c8f9d 269 }else{ cc <<= BIT0; }
klauss 0:4d17cd9c8f9d 270 }
klauss 0:4d17cd9c8f9d 271 cc ^= 0xffff;
klauss 0:4d17cd9c8f9d 272 return cc;
klauss 0:4d17cd9c8f9d 273 }