VZTECH / Mbed 2 deprecated header_main_colinas_V0

voltando a versao de n aberturas e fechamentos de sockets data 19/09

Dependencies:   EthernetInterface NTPClient mbed-rtos mbed EALib

Fork of header_main_publish by VZTECH

vz_protocol.cpp@0:4d17cd9c8f9d, 2014-09-09 (annotated)

Committer:
klauss
Date:
Tue Sep 09 20:01:24 2014 +0000
Revision:
0:4d17cd9c8f9d
Child:
4:de46f0d9b14d
20140726 copy

Who changed what in which revision?

UserRevisionLine numberNew contents of line
klauss 0:4d17cd9c8f9d 1 #include "vz_protocol.h"
klauss 0:4d17cd9c8f9d 2
klauss 0:4d17cd9c8f9d 3 extern DigitalOut led2;
klauss 0:4d17cd9c8f9d 4 extern DigitalOut led3;
klauss 0:4d17cd9c8f9d 5
klauss 0:4d17cd9c8f9d 6 uint8_t * __parse_cb_buffer__( int * ext, int * port, volatile uint8_t * type, uint8_t * cb_buffer ){
klauss 0:4d17cd9c8f9d 7 /**
klauss 0:4d17cd9c8f9d 8 * parse and split vz package,
klauss 0:4d17cd9c8f9d 9 * | E | E | P | P | C | C | T | [ Seq_num | Audio ] | 14[ Clock | Audio ] | [ TS | Audio ] | ... |
klauss 0:4d17cd9c8f9d 10 * E = Ext = Ramal
klauss 0:4d17cd9c8f9d 11 * P = Port = Porta
klauss 0:4d17cd9c8f9d 12 * C = Checksum
klauss 0:4d17cd9c8f9d 13 * T = Type = Tipo
klauss 0:4d17cd9c8f9d 14 * Seq_num = Sequence Number = Numero de sequencia
klauss 0:4d17cd9c8f9d 15 * Clock = 14 bytes to sync
klauss 0:4d17cd9c8f9d 16 * ... = demais __CB_BUFFER_SIZE__ - __VZ_HEADER_OFFSET__ bytes
klauss 0:4d17cd9c8f9d 17 */
klauss 0:4d17cd9c8f9d 18 uint8_t p_lsb, p_msb;
klauss 0:4d17cd9c8f9d 19 uint8_t e_lsb, e_msb;
klauss 0:4d17cd9c8f9d 20
klauss 0:4d17cd9c8f9d 21 if( cb_buffer == NULL ) return( NULL );
klauss 0:4d17cd9c8f9d 22
klauss 0:4d17cd9c8f9d 23 uint16_t cc = ( uint16_t )cb_buffer[ 4 ] << 8 | cb_buffer[ 5 ];
klauss 0:4d17cd9c8f9d 24
klauss 0:4d17cd9c8f9d 25 /*
klauss 0:4d17cd9c8f9d 26 UDPSocket debug;
klauss 0:4d17cd9c8f9d 27 Endpoint debug_server;
klauss 0:4d17cd9c8f9d 28 char debug_msg[ 1024 ];
klauss 0:4d17cd9c8f9d 29
klauss 0:4d17cd9c8f9d 30 debug_server.set_address( "192.168.120.180", 9897 );
klauss 0:4d17cd9c8f9d 31 debug.bind( 8182 );
klauss 0:4d17cd9c8f9d 32 debug.init();
klauss 0:4d17cd9c8f9d 33
klauss 0:4d17cd9c8f9d 34 //if( cc != __checksum__( cb_buffer + __CHECKSUM_OFFSET__,
klauss 0:4d17cd9c8f9d 35 // __CB_BUFFER_SIZE__ - __CHECKSUM_OFFSET__ ) ){
klauss 0:4d17cd9c8f9d 36
klauss 0:4d17cd9c8f9d 37 sprintf( debug_msg, " -- cc :: %x :: __checksum %x -- bit[4] %x :: bit[5] %x", cc, __checksum__( cb_buffer, __CB_BUFFER_SIZE__ ), cb_buffer[ 4 ], cb_buffer[ 5 ] );
klauss 0:4d17cd9c8f9d 38 debug.sendTo( debug_server, debug_msg, strlen( debug_msg ) );
klauss 0:4d17cd9c8f9d 39 debug.sendTo( debug_server, debug_msg, strlen( debug_msg ) );
klauss 0:4d17cd9c8f9d 40 */
klauss 0:4d17cd9c8f9d 41 if( cc != __checksum__( cb_buffer, __CB_BUFFER_SIZE__ ) ){
klauss 0:4d17cd9c8f9d 42 return( NULL );
klauss 0:4d17cd9c8f9d 43 }else{
klauss 0:4d17cd9c8f9d 44 e_msb = cb_buffer[ 0 ];
klauss 0:4d17cd9c8f9d 45 e_lsb = cb_buffer[ 1 ];
klauss 0:4d17cd9c8f9d 46 *ext = e_msb << 8 | e_lsb;
klauss 0:4d17cd9c8f9d 47
klauss 0:4d17cd9c8f9d 48 p_msb = cb_buffer[ 2 ];
klauss 0:4d17cd9c8f9d 49 p_lsb = cb_buffer[ 3 ];
klauss 0:4d17cd9c8f9d 50 *port = p_msb << 8 | p_lsb;
klauss 0:4d17cd9c8f9d 51
klauss 0:4d17cd9c8f9d 52 *type = cb_buffer[ 6 ];
klauss 0:4d17cd9c8f9d 53
klauss 0:4d17cd9c8f9d 54 return( cb_buffer + __VZ_HEADER_OFFSET__ );
klauss 0:4d17cd9c8f9d 55 }
klauss 0:4d17cd9c8f9d 56 }
klauss 0:4d17cd9c8f9d 57 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 0:4d17cd9c8f9d 58 pkg[ 0 ] = ( uint8_t )( ( ext & 0xFF00 ) >> 8 );
klauss 0:4d17cd9c8f9d 59 pkg[ 1 ] = ( uint8_t )( ext & 0x00FF );
klauss 0:4d17cd9c8f9d 60 pkg[ 2 ] = ( uint8_t )( ( port & 0xFF00 ) >> 8 );
klauss 0:4d17cd9c8f9d 61 pkg[ 3 ] = ( uint8_t )( port & 0x00FF );
klauss 0:4d17cd9c8f9d 62
klauss 0:4d17cd9c8f9d 63 pkg[ 6 ] = type;
klauss 0:4d17cd9c8f9d 64
klauss 0:4d17cd9c8f9d 65 size_t fill = 0x00;
klauss 0:4d17cd9c8f9d 66
klauss 0:4d17cd9c8f9d 67 if( type == __AUDIO__ ){
klauss 0:4d17cd9c8f9d 68 for( register int i = __VZ_HEADER_OFFSET__; i < length + __VZ_HEADER_OFFSET__; i++ )
klauss 0:4d17cd9c8f9d 69 pkg[ i ] = ( uint8_t )cb_buffer[ i - __VZ_HEADER_OFFSET__ ];
klauss 0:4d17cd9c8f9d 70 fill = length + __VZ_HEADER_OFFSET__;
klauss 0:4d17cd9c8f9d 71 }else if( type == __INVITE__ ){
klauss 0:4d17cd9c8f9d 72 pkg[ 7 ] = seq_num;
klauss 0:4d17cd9c8f9d 73 //__print_clock__( pkg + 8 );
klauss 0:4d17cd9c8f9d 74 pkg[ __TIMESLICE_PLACE__ ] = cb_buffer[ __TIMESLICE_PLACE__ ];
klauss 0:4d17cd9c8f9d 75 fill = __TIMESLICE_PLACE__ + 1;
klauss 0:4d17cd9c8f9d 76 }else if( type == __REGISTRY__ || type == __BOOT__ ){
klauss 0:4d17cd9c8f9d 77 pkg[ 7 ] = seq_num;
klauss 0:4d17cd9c8f9d 78 __print_clock__( pkg + 8 );
klauss 0:4d17cd9c8f9d 79 fill = __VZ_HEADER_OFFSET__ + __CLOCK_SYNC_SIZE__ + __SEQ_NUM_SIZE__;
klauss 0:4d17cd9c8f9d 80 }if( type == __CB_BYE__ ){
klauss 0:4d17cd9c8f9d 81 pkg[ 7 ] = seq_num;
klauss 0:4d17cd9c8f9d 82 //__print_clock__( pkg + 8 );
klauss 0:4d17cd9c8f9d 83 pkg[ __TIMESLICE_PLACE__ ] = cb_buffer[ __TIMESLICE_PLACE__ ];
klauss 0:4d17cd9c8f9d 84 fill = __TIMESLICE_PLACE__ + 1;
klauss 0:4d17cd9c8f9d 85 }
klauss 0:4d17cd9c8f9d 86
klauss 0:4d17cd9c8f9d 87 for( register int i = fill; i < __CB_BUFFER_SIZE__; i++ ) pkg[ i ] = 0x00;
klauss 0:4d17cd9c8f9d 88 led2 = !led2;
klauss 0:4d17cd9c8f9d 89
klauss 0:4d17cd9c8f9d 90 uint16_t cc = __checksum__( pkg, 300 );
klauss 0:4d17cd9c8f9d 91 pkg[ 4 ] =( uint8_t )( ( cc & 0xFF00 ) >> 8) ;
klauss 0:4d17cd9c8f9d 92 pkg[ 5 ] =( uint8_t )( cc & 0x00FF );
klauss 0:4d17cd9c8f9d 93
klauss 0:4d17cd9c8f9d 94 return pkg;
klauss 0:4d17cd9c8f9d 95 }
klauss 0:4d17cd9c8f9d 96
klauss 0:4d17cd9c8f9d 97 char * __build_eth__package__( void ){
klauss 0:4d17cd9c8f9d 98 return( NULL );
klauss 0:4d17cd9c8f9d 99 }
klauss 0:4d17cd9c8f9d 100
klauss 0:4d17cd9c8f9d 101 uint8_t * __read_cb_buffer__( uint8_t * dest, uint8_t * src ){
klauss 0:4d17cd9c8f9d 102 for( register int i = 0; i < __CB_BUFFER_SIZE__; i++ ) *dest++ = *src++;
klauss 0:4d17cd9c8f9d 103 return( dest );
klauss 0:4d17cd9c8f9d 104 }
klauss 0:4d17cd9c8f9d 105
klauss 0:4d17cd9c8f9d 106 uint8_t * __read_eth_buffer__( uint8_t * dest, uint8_t * src ){
klauss 0:4d17cd9c8f9d 107
klauss 0:4d17cd9c8f9d 108 for( register int i = 0; i < __ETH_BUFFER_SIZE__; i++ ) *dest++ = *src++;
klauss 0:4d17cd9c8f9d 109
klauss 0:4d17cd9c8f9d 110 return( dest );
klauss 0:4d17cd9c8f9d 111 }
klauss 0:4d17cd9c8f9d 112
klauss 0:4d17cd9c8f9d 113 uint8_t * __write_cb_buffer__( uint8_t * dest, uint8_t * src ){
klauss 0:4d17cd9c8f9d 114 for( register int i = 0; i < __CB_BUFFER_SIZE__; i++ ) *dest++ = *src++;
klauss 0:4d17cd9c8f9d 115 return( dest );
klauss 0:4d17cd9c8f9d 116 }
klauss 0:4d17cd9c8f9d 117
klauss 0:4d17cd9c8f9d 118 uint8_t * __write_eth_buffer__( uint8_t * dest, uint8_t * src ){
klauss 0:4d17cd9c8f9d 119
klauss 0:4d17cd9c8f9d 120 for( register int i = 0; i < __ETH_BUFFER_SIZE__; i++ ) *dest++ = *src++;
klauss 0:4d17cd9c8f9d 121
klauss 0:4d17cd9c8f9d 122 return( dest );
klauss 0:4d17cd9c8f9d 123 }
klauss 0:4d17cd9c8f9d 124
klauss 0:4d17cd9c8f9d 125 uint16_t __checksum__( uint8_t * buffer, size_t length ){
klauss 0:4d17cd9c8f9d 126 uint16_t cc = 0x00;
klauss 0:4d17cd9c8f9d 127 buffer[ 4 ] = buffer[ 5 ] = 0x5a;
klauss 0:4d17cd9c8f9d 128 for( register int i = 0; i < length; i++ ){
klauss 0:4d17cd9c8f9d 129 cc += buffer[ i ];
klauss 0:4d17cd9c8f9d 130 if( cc & BIT15 ){
klauss 0:4d17cd9c8f9d 131 cc <<= 1;
klauss 0:4d17cd9c8f9d 132 cc |= BIT0;
klauss 0:4d17cd9c8f9d 133 }else{ cc <<= BIT0; }
klauss 0:4d17cd9c8f9d 134 }
klauss 0:4d17cd9c8f9d 135 cc ^= 0xffff;
klauss 0:4d17cd9c8f9d 136 return cc;
klauss 0:4d17cd9c8f9d 137 }
klauss 0:4d17cd9c8f9d 138
klauss 0:4d17cd9c8f9d 139 void __print_clock__( uint8_t * buffer ){
klauss 0:4d17cd9c8f9d 140 NTPClient ntp;
klauss 0:4d17cd9c8f9d 141 ntp.setTime( "200.192.232.8", 123, 3 );
klauss 0:4d17cd9c8f9d 142 time_t seconds;
klauss 0:4d17cd9c8f9d 143 // seconds = time(NULL);
klauss 0:4d17cd9c8f9d 144 struct tm ts;
klauss 0:4d17cd9c8f9d 145 time( &seconds );
klauss 0:4d17cd9c8f9d 146 ts = *localtime( &seconds );
klauss 0:4d17cd9c8f9d 147
klauss 0:4d17cd9c8f9d 148 int ano = ts.tm_year + 1900;
klauss 0:4d17cd9c8f9d 149 int mes = ts.tm_mon + 1;
klauss 0:4d17cd9c8f9d 150 int dia = ts.tm_mday;
klauss 0:4d17cd9c8f9d 151 int hora = ts.tm_hour - 3;
klauss 0:4d17cd9c8f9d 152 int min = ts.tm_min;
klauss 0:4d17cd9c8f9d 153 int sec = ts.tm_sec;
klauss 0:4d17cd9c8f9d 154
klauss 0:4d17cd9c8f9d 155 buffer[ 0 ] = ano / 1000;
klauss 0:4d17cd9c8f9d 156 ano -= buffer[ 0 ] * 1000;
klauss 0:4d17cd9c8f9d 157 buffer[ 1 ] = ano / 100;
klauss 0:4d17cd9c8f9d 158 ano -= buffer[ 1 ]* 100;
klauss 0:4d17cd9c8f9d 159 buffer[ 2 ] = ano / 10;
klauss 0:4d17cd9c8f9d 160 ano -= buffer[ 2 ] * 10;
klauss 0:4d17cd9c8f9d 161 buffer[ 3 ] = ano;
klauss 0:4d17cd9c8f9d 162 buffer[ 4 ] = mes / 10;
klauss 0:4d17cd9c8f9d 163 buffer[ 5 ] = mes % 10;
klauss 0:4d17cd9c8f9d 164 buffer[ 6 ] = dia / 10;
klauss 0:4d17cd9c8f9d 165 buffer[ 7 ] = dia % 10;
klauss 0:4d17cd9c8f9d 166 buffer[ 8 ] = hora / 10;
klauss 0:4d17cd9c8f9d 167 buffer[ 9 ] = hora % 10;
klauss 0:4d17cd9c8f9d 168 buffer[ 10 ] = min / 10;
klauss 0:4d17cd9c8f9d 169 buffer[ 11 ] = min % 10;
klauss 0:4d17cd9c8f9d 170 buffer[ 12 ] = sec / 10;
klauss 0:4d17cd9c8f9d 171 buffer[ 13 ] = sec % 10;
klauss 0:4d17cd9c8f9d 172
klauss 0:4d17cd9c8f9d 173 /* convertendo pro ascii do nro */
klauss 0:4d17cd9c8f9d 174 for( register int i = 0; i < 14; i++ ) buffer[ i ] += 0x30;
klauss 0:4d17cd9c8f9d 175 }