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Versao com problema no socket rx
Dependencies: EthernetInterface NTPClient mbed-rtos mbed
vz_protocol.cpp@0:4d17cd9c8f9d, 2014-09-09 (annotated)
- Committer:
- klauss
- Date:
- Tue Sep 09 20:01:24 2014 +0000
- Revision:
- 0:4d17cd9c8f9d
20140726 copy
Who changed what in which revision?
User | Revision | Line number | New 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 | } |