Beispiel #1
0
ParserStatus parse_frame(in_cmd_t *cmd, plchar_t *payload, const frame_t frame)
{
   int in_pos = 0;
   int in_len = strlen(frame);
   if (frame[in_pos++] != START_CHAR)
   {
      return PARSER_INVALID_START;
   }
   mk_address_t addr = addr_decode(frame[in_pos++]);
   if (addr < 1 || addr > 3)
   {
      return PARSER_INVALID_ADDRESS;
   }
   in_cmd_t _cmd = MERGE_ADDR_CMD(addr, frame[in_pos++]);
   if (!in_command_exists(_cmd))
   {
      return PARSER_INVALID_COMMAND;
   }
   const char *crc_chars = &frame[in_len - 3];
   crc_t crc = calc_crc(frame, in_len - 3);
   if (!crc_ok(crc, crc_chars))
   {
      return PARSER_INVALID_CRC; /* invalid crc */
   }
   (void)mb64_decode(payload, in_len - 6, &frame[in_pos]);
   *cmd = _cmd;
   return PARSER_NO_ERROR;
}
boolean s_event::isValid()
{
  boolean blank = true;
  uint8_t * p = (uint8_t*)this;
  
	for(uint8_t k =0; k < sizeof(s_event); k++)
	{
		if(p[k] != 0xFF)
		{
			blank = false;
			break;
		}
	}

	if(blank)
		return 0;
  
	if(calc_crc((uint8_t*)this, sizeof(s_event)))
	{
		Serial.println("s_event: INVALID CRC");
		return 0;
	}

  return 1;
}
    bool Write(const void *data, size_t length, unsigned timeout_ms=5000) {
      if (!port.FullWrite(data, length, timeout_ms))
        return false;

      crc = calc_crc((const uint8_t *)data, length, crc);
      return true;
    }
s_event::s_event(long timeStamp, uint8_t port, uint8_t state)
{
  this->timeStamp = timeStamp;
  this->port = port;
  this->state = state;
  ack = 0xFF;
  
  crc = calc_crc((uint8_t*)this, sizeof(s_event) - 1);
}   
Beispiel #5
0
uint32_t Protocol::application_state_checksum(uint32_t (*calc_crc)(const uint8_t* data, uint32_t len), uint32_t subscriptions_crc,
		uint32_t describe_app_crc, uint32_t describe_system_crc)
{
	uint32_t chk[3];
	chk[0] = subscriptions_crc;
	chk[1] = describe_app_crc;
	chk[2] = describe_system_crc;
	return calc_crc((uint8_t*)chk, sizeof(chk));
}
Beispiel #6
0
void cfg_save()
{
    global_addl_config.crc = 0 ;
    global_addl_config.length = sizeof(addl_config_t);
    
    global_addl_config.crc = calc_crc(&global_addl_config,sizeof(addl_config_t));
    
    cfg_write_struct( &global_addl_config );
}
Beispiel #7
0
bool
LX::SendPacket(Port &port, Command command,
               const void *data, size_t length,
               OperationEnvironment &env, unsigned timeout_ms)
{
  return SendCommand(port, command) &&
    port.FullWrite(data, length, env, timeout_ms) &&
    port.Write(calc_crc(data, length, 0xff));
}
Beispiel #8
0
/*
===========================================================
  trimite un mesaj de tip ack pentru primul pachet 
  trimis de sender(include dimensiunea ferestrei aleasa ca 
  minimul dintre parametrul window si cel trimis de sender 
  intial)
===========================================================
*/
void send_ack2(unsigned short seq_nr, unsigned short int *tbl_crc, unsigned short int window)
{
    msg t;
    t.type = ACK;
    memcpy(t.payload + 2, &seq_nr, 2);
    memcpy(t.payload + 4, &window, 2);
    unsigned short int crc = calc_crc(&t, tbl_crc);
    memcpy(t.payload, &crc, 2);
    send_message(&t);
}
Beispiel #9
0
bool
LX::SendPacket(Port &port, Command command,
               const void *data, size_t length,
               OperationEnvironment &env,
               std::chrono::steady_clock::duration timeout)
{
  return SendCommand(port, command) &&
    port.FullWrite(data, length, env, timeout) &&
    port.Write(calc_crc(data, length, 0xff));
}
Beispiel #10
0
bool
LX::ReadCRC(Port &port, void *buffer, size_t length, OperationEnvironment &env,
            unsigned timeout_ms)
{
  uint8_t crc;

  return port.FullRead(buffer, length, env, timeout_ms) &&
    port.FullRead(&crc, sizeof(crc), env, timeout_ms) &&
    calc_crc(buffer, length, 0xff) == crc;
}
Beispiel #11
0
// parse received packet
void ORCPClass::parse_packet(void)
{
  if(input_buffer_size >= CP_MIN_LENGTH && 
     input_buffer[0] == identity_id)
  {
    // check CRC
	uint8_t crc = input_buffer[input_buffer_size-CP_PACKET_CRC_LENGTH];
	uint8_t mes_crc = calc_crc(input_buffer, input_buffer_size-CP_PACKET_CRC_LENGTH);
	
	if(crc != mes_crc)
	  goto end_parse;
	
    header.IT = input_buffer[1];
	// System Code
	header.SC = input_buffer[2];
    if(header.SC == CP_DUINO_BS)
	{
	  header.SS = input_buffer[3];
	  switch(header.SS) // Base Subsystem Codes
	  {
	    case CP_DUINO_PINMODE:
		  if(currentPinModeCallback)
            (*currentPinModeCallback)(input_buffer[4], input_buffer[5]);
		  break;
		case CP_DUINO_DIGITALREAD:
		  if(currentDigitalReadCallback)
            (*currentDigitalReadCallback)(input_buffer[4], 0);
		  break;
		case CP_DUINO_ANALOGREAD:
		  if(currentAnalogReadCallback)
            (*currentAnalogReadCallback)(input_buffer[4], 0);
		  break;
		case CP_DUINO_DIGITALWRITE:
		  if(currentDigitalWriteCallback)
		    (*currentDigitalWriteCallback)(input_buffer[4], input_buffer[5]);
		  break;
		case CP_DUINO_ANALOGWRITE:
		  if(currentAnalogWriteCallback)
		    (*currentAnalogWriteCallback)(input_buffer[4], (input_buffer[5]<<8 | input_buffer[6]) );
		  break;
		case CP_DUINO_SENDSTRING:
		  if(currentStringCallback)
		  {
		    input_buffer[input_buffer_size-2] = 0;
		    (*currentStringCallback)((char*)(input_buffer+CP_PACKET_HEADER_LENGTH));
		  }
		  break;
	  }
	}
  }
end_parse:  
  // go ready to get next packet
  input_buffer_size = 0;
  esc_flag = false;
}
Beispiel #12
0
void cfg_load()
{
    memset( &global_addl_config, 0, sizeof(addl_config_t) );
    
    addl_config_t tmp ;    
    cfg_read_struct( &tmp );
    
    // the config in flash is bigger than mine.
    if( tmp.length > sizeof(addl_config_t) ) {
        // we cannot crc what we have not read. (for now).
        LOGB("cfg oversized\n");
        return ;        
    }
    
    if( calc_crc(&tmp,tmp.length) != 0 ) {
        // corrupted.
        LOGB("cfg crc fail\n");
        return ;
    }

    // copy the smaller config into our bigger config.
    // leaving the rest 0.
    memcpy(&global_addl_config,&tmp,tmp.length);
    
    // range limit
    R(global_addl_config.userscsv,1);
    R(global_addl_config.micbargraph,1);
    R(global_addl_config.debug,1);
    R(global_addl_config.rbeep,1);
    R(global_addl_config.promtg,1);
    R(global_addl_config.boot_demo,1);
//    R(global_addl_config.boot_splash,0); // unused
    R(global_addl_config.netmon,3);
    R(global_addl_config.datef,5);

    // restore dmrid
    if( ( global_addl_config.cp_override & CPO_DMR ) == CPO_DMR ) {
        md380_radio_config.dmrid = global_addl_config.dmrid ;
    }

//    // restore radio name
//    if (global_addl_config.userscsv == 1) {
//        cfg_fix_radioname();
//    }

    // global_addl_config.experimental is intentionally not permanent
    global_addl_config.experimental = 0;

#if defined(FW_D13_020) || defined(FW_S13_020)
#else
    global_addl_config.netmon = 0 ;
#endif
}
Beispiel #13
0
FileHeader *get_file_header( FILE *in )
/*
**  Creates a FileHeader structure and fills it with data beginning at the
**  current file location in 'in'.  Obviously, it's best if you've already
**  advanced to where a FileHeader is stored in the file.  If an error
**  occurs, NULL is returned.
*/
{
   FileHeader *fileHdr;

   if( fileHdr = (FileHeader *)malloc( FileHdrSize ) )
   {
      if( FileHdrSize == fread( (void *)fileHdr, sizeof( ubyte ),
         FileHdrSize, in ) || ask( "Read error on file header" ) )
      {
         CheckSum crc;

         crc = calc_crc( (ubyte *)fileHdr,
            FileHdrSize - sizeof( CheckSum ), INIT_CRC );
#ifdef SWAP
         /*  We MUST calculate the checksum BEFORE we swab the data!  */
         swap_long( (ulong *)&fileHdr->fType );
         swap_long( (ulong *)&fileHdr->fCreator );
         swap_word( (uword *)&fileHdr->FndrFlags );
         swap_long( &fileHdr->creationDate );
         swap_long( &fileHdr->modDate );
         swap_long( &fileHdr->rsrcLength );
         swap_long( &fileHdr->dataLength );
         swap_long( &fileHdr->compRLength );
         swap_long( &fileHdr->compDLength );
         swap_word( &fileHdr->rsrcCRC );
         swap_word( &fileHdr->dataCRC );
         swap_word( &fileHdr->hdrCRC );
#endif
         if( crc == fileHdr->hdrCRC || 
            ask( "Bad checksum on file header" ) )
         {
            ubyte len = (ubyte)*(fileHdr->fName);

            /*  Convert the Pascal-style name string to C-style  */
            memmove( fileHdr->fName, fileHdr->fName + 1, len );
            *(fileHdr->fName + len) = '\0';

            return( fileHdr );
         }
      }
      free( fileHdr );
   }
   else
      clean_exit( "Out of memory!" );

   return( NULL );
}
Beispiel #14
0
static void
update_crc (char *ip)
{
    int n = calc_crc ((unsigned char *) (ip + 0x40), 16);
    char buf[5];

    sprintf (buf, "%04X", n);
    if (memcmp (buf, ip + 0x20, 4))
    {
        printf ("Setting CRC to %s (was %.4s)\n", buf, ip + 0x20);
        memcpy (ip + 0x20, buf, 4);
    }
}
Beispiel #15
0
/* Caller may need to use label_get_handler to create label struct! */
int label_write(struct device *dev, struct label *label)
{
#pragma pack(8)
        char buf[LABEL_SIZE]; //__attribute((aligned(8)));
#pragma pack()
        struct label_header *lh = (struct label_header *) buf;
        int r = 1;

        if (!label->labeller->ops->write) {
                log_err("Label handler does not support label writes");
                return 0;
        }

        if ((LABEL_SIZE + (label->sector << SECTOR_SHIFT)) > LABEL_SCAN_SIZE) {
                log_error("Label sector %" PRIu64 " beyond range (%ld)",
                          label->sector, LABEL_SCAN_SECTORS);
                return 0;
        }

        memset(buf, 0, LABEL_SIZE);

        strncpy((char *)lh->id, LABEL_ID, sizeof(lh->id));
        lh->sector_xl = xlate64(label->sector);
        lh->offset_xl = xlate32(sizeof(*lh));

        if (!(label->labeller->ops->write)(label, buf)) {
                stack;
                return 0;
        }

        lh->crc_xl = xlate32(calc_crc(INITIAL_CRC, &lh->offset_xl, LABEL_SIZE -
                                      ((char *) &lh->offset_xl - (char *) lh)));
                                      //((void *) &lh->offset_xl - (void *) lh)));

        if (!dev_open(dev)) {
                stack;
                return 0;
        }

        log_info("%s: Writing label to sector %" PRIu64, dev_name(dev),
                 label->sector);
        if (!dev_write(dev, label->sector << SECTOR_SHIFT, LABEL_SIZE, buf)) {
                log_debug("Failed to write label to %s", dev_name(dev));
                r = 0;
        }

        if (!dev_close(dev))
                stack;

        return r;
}
Beispiel #16
0
*/msg message(unsigned short int seq, char * type)
{

	msg m;
	if(strcmp(type, "ACK") == 0)	m.type = 3;
	else m.type = 4;
	m.len = strlen(m.payload+4)+1;
	sprintf(m.payload+4,type);
	memcpy(m.payload+2,&seq,2);
	unsigned short int crc = calc_crc(&m,crc_table);
	memcpy(m.payload,&crc,2);
	return m;

}
Beispiel #17
0
DSMVOID
bkioRemoveLkFile (
        dsmContext_t    *pcontext,
	TEXT		*dbname)	/* name of database */
{
        TEXT	 namebuf[MAXPATHN+1];
        LONG     retMakePath = 0;
        int      lockret;
        UCOUNT   nameCrc;
        int      i;
        dbcontext_t *pdbcontext = pcontext->pdbcontext;

    /* delete the dbname.lk file */

    if(pdbcontext->pdatadir)
        utmypath(namebuf,pdbcontext->pdatadir,dbname,
                (TEXT *)".lk");
    else
        retMakePath = utMakePathname(namebuf, sizeof(namebuf), dbname, 
                                    (TEXT *)".lk");
    if (retMakePath != DBUT_S_SUCCESS)
    {
        /* Report error */
        dbUserError(pcontext, retMakePath, errno, 0,
                    (DSMVOID *)NULL, (DSMVOID *)NULL);
    }

    nameCrc = calc_crc((UCOUNT)0, namebuf, (COUNT)stlen(namebuf));

    for (i = 0; i < 240; i++)
    {
        if ((lkstr[i].nameCrc == nameCrc) && 
            (lkstr[i].lkHandle != (fileHandle_t)0) &&
            (lkstr[i].lkHandle != INVALID_FILE_HANDLE) )
        {
            /* we found the handle */ 

            lockret = utUnlockLkFile(&lkstr[i].lkHandle);
            lkstr[i].nameCrc = 0;
            break;
        }
    }

#if OPSYS==UNIX
    unlink((const char *)namebuf);
#endif
#if OPSYS==WIN32API
    lockret = DeleteFile(namebuf);
#endif
}
Beispiel #18
0
void radio_tx_data(unsigned char data)
{
    unsigned char cnt;
    calc_crc(&radio_tx_crc, data);
    for (cnt = 0; cnt < 8; cnt++) {
        RADIO_SND_LAT |= (1 << RADIO_SND_BIT);
        if (data & 1) {
            __delay_us(300);
        } else {
            __delay_us(200);
        }
        RADIO_SND_LAT &= ~(1 << RADIO_SND_BIT);
        __delay_us(100);
        data >>= 1;
    }
}
Beispiel #19
0
int build_frame(frame_t dest, const out_cmd_t cmd,
                const plchar_t *payload, const size_t input_len)
{
   int pos = 0;
   /* add start-of-frame, address and command: */
   dest[pos++] = START_CHAR;
   dest[pos++] = addr_encode(GET_ADDR(cmd));
   dest[pos++] = GET_CMD_CHAR(cmd);
   /* add and encode payload: */
   pos += mb64_encode(&dest[pos], payload, input_len);
   /* add CRC and end-of-frame character: */
   pos += calc_crc_chars(&dest[pos], calc_crc(dest, pos));
   dest[pos++] = END_CHAR;
   dest[pos] = '\0';
   return pos;
}
Beispiel #20
0
bool
LX::ReadCRC(Port &port, void *buffer, size_t length, OperationEnvironment &env,
            std::chrono::steady_clock::duration first_timeout,
            std::chrono::steady_clock::duration subsequent_timeout,
            std::chrono::steady_clock::duration total_timeout)
{
  uint8_t crc;

  return port.FullRead(buffer, length, env,
                       first_timeout, subsequent_timeout,
                       total_timeout) &&
    port.FullRead(&crc, sizeof(crc), env,
                  subsequent_timeout, subsequent_timeout,
                  subsequent_timeout) &&
    calc_crc(buffer, length, 0xff) == crc;
}
Beispiel #21
0
int test_crc24a()
{
	char input_byte[2] = {0xF2, 0x3B};
	char output_ref[5] = {0xF2, 0x3B, 0xF8, 0x23, 0x56};
	
	char io_bit[40];
	char output_byte[2];
	int i;
	
	unpack(input_byte, 2, io_bit);
	calc_crc(io_bit, 16, CRC_POLY_24A);
	pack(io_bit, 40, output_byte);
	
	for (i=0; i<2; i++) {
		if (output_byte[i] != output_ref[i])
			return -1;
	}
	
	return 0;
}
Beispiel #22
0
int write_sector (int fd, unsigned int sector){
	char buffer[BUFFER_SIZE], ans[BUFFER_SIZE];
	unsigned int adr;
	
	if (sector >= 7) {
		fprintf(stderr,"ERROR: Writing sector %d is forbidden\n", sector);
		return;
	};
	
	printf("Erasing secor %d \n", sector);
	sprintf(buffer, ":0300000401%04x", sector * 1024);
	checksum(buffer);
	if (0 != send_string(fd, buffer, ans)) {
		return(-20);
	};
	
	for (adr = sector * 1024; adr < (sector * 1024 + 1023); adr += 64){
		make_ihex(adr, buffer);
		if (0 != send_string(fd, buffer, ans))
			return (20);
	};
			
	sprintf(buffer, ":01000005%02X", sector * 4);
	checksum(buffer);	

	if (0 != send_string(fd, buffer, ans)) {
		return(20);	;
	};
		
	sprintf(buffer,"%08X",calc_crc(sector * 1024));
		
	if (0 != strncmp(ans, buffer, 8)){
		printf("Calculated CRC Sector %d = %s\n", sector, buffer);
		printf("Read CRC = %s\n", ans);
		return(20);
	} else
		printf("Sector %d CRC OK.\n", sector);
	
	return(0);	
};
Beispiel #23
0
TEST(util, crc) {
	ASSERT_EQ(4, efiRound(4.4, 1));
	ASSERT_FLOAT_EQ(1.2, efiRound(1.2345, 0.1));

	print("*************************************** testCrc\r\n");

	const char * A = "A";

	ASSERT_EQ( 168,  calc_crc((const crc_t *) A, 1)) << "crc8";
	uint32_t c = crc32(A, 1);
	printf("crc32(A)=%x\r\n", c);
	assertEqualsM("crc32 1", 0xd3d99e8b, c);

	const char * line = "AbcDEFGF";
	c = crc32(line, 8);
	printf("crc32(line)=%x\r\n", c);
	assertEqualsM("crc32 line", 0x4775a7b1, c);

	c = crc32(line, 1);
	c = crc32inc(line + 1, c, 8 - 1);
	assertEqualsM("crc32 line inc", 0x4775a7b1, c);
}
Beispiel #24
0
/*
  send 1 byte and do the byte stuffing Frsky stuff 
  This can send more than 1 byte eventually
*/
void AP_Frsky_Telem::frsky_send_byte(uint8_t value)
{
    if (_protocol == FrSkyDPORT) {
        const uint8_t x5E[] = { 0x5D, 0x3E };
        const uint8_t x5D[] = { 0x5D, 0x3D };
        switch (value) {
        case 0x5E:
            _port->write( x5E, sizeof(x5E));
            break;
            
        case 0x5D:
            _port->write( x5D, sizeof(x5D));
            break;
            
        default:
            _port->write(&value, sizeof(value));
            break;
        }
    } else { 
        //SPORT
        calc_crc(value);
        const uint8_t x7E[] = { 0x7D, 0x5E };
        const uint8_t x7D[] = { 0x7D, 0x5D };
        switch (value) {
        case 0x7E:
            _port->write( x7E, sizeof(x7E));
            break;
            
        case 0x7D:
            _port->write( x7D, sizeof(x7D));
            break;
            
        default:
            _port->write(&value, sizeof(value));
            break;
        }
    }
}
/**
****************************************************************************************
* @brief Transmit a boot image to an SPI slave device
****************************************************************************************
*/
void spi_send_image (void)
{
	uint8_t mode;
	uint8_t crc;
	uint8_t header_ack;
	uint8_t payload_ack;
	
  spi_booter_pad.pin = SPI_CS_PIN;
  spi_booter_pad.port = SPI_GPIO_PORT;

	crc = calc_crc(SPI_LENGTH);
	mode = 0x00;
	spi_init(&spi_booter_pad, SPI_MODE_8BIT, SPI_ROLE_MASTER, SPI_CLK_IDLE_POL_LOW, SPI_PHA_MODE_0, SPI_MINT_DISABLE, SPI_XTAL_DIV_4);
	do{
		header_ack = send_header(SPI_LENGTH,crc,mode);
		if (header_ack)
    {
			payload_ack = send_payload(SPI_8BIT,SPI_LENGTH);
			break;
    }
	} while((header_ack&payload_ack)!=1);
	spi_release();
}
Beispiel #26
0
int main(void) {
	uint16_t crc;
	int i;
	// Sample APRS frame payload - FCS = {0x76, 0x4A}
	uint8_t testvector[] = 
	{ 0x82, 0xA0, 0xB4, 0x60, 0x60, 0x60, 0xE0, // "APZ___"
	  0x9C, 0x60, 0x86, 0x82, 0x98, 0x98, 0xE3, // "N0CALL-1"
	  0x03, 0xF0, 0x2C, 0x41}; // Control PID ",A"
	size_t testlength = sizeof(testvector);

	// Calculate the FCS
	crc = calc_crc(testvector, testlength);

	// "Transmit" the complete frame
	printf("             ........7E\n");
	for (i=0; i<testlength; i++) {
		send_octet(testvector[i]);
	}
	send_octet(crc & 0xFF); // Send FCS bits 8-15
	send_octet((crc >> 8) & 0xFF); // Send FCS bits 0-7

	printf("7E........\n");
	return 0;
}
Beispiel #27
0
crc flashStateCrc(FlashState *state) {
    return calc_crc((const crc*) &state->persistentConfiguration, sizeof(persistent_config_s));
}
Beispiel #28
0
int callerid_feed_jp(struct callerid_state *cid, unsigned char *ubuf, int len, format_t codec)
{
	int mylen = len;
	int olen;
	int b = 'X';
	int b2;
	int res;
	int x;
	short *buf;

	buf = ast_alloca(2 * len + cid->oldlen);

	memcpy(buf, cid->oldstuff, cid->oldlen);
	mylen += cid->oldlen / 2;

	for (x = 0; x < len; x++) 
		buf[x+cid->oldlen/2] = AST_XLAW(ubuf[x]);

	while (mylen >= 160) {
		b = b2 = 0;
		olen = mylen;
		res = fsk_serial(&cid->fskd, buf, &mylen, &b);

		if (mylen < 0) {
			ast_log(LOG_ERROR, "No start bit found in fsk data.\n");
			return -1;
		}

		buf += (olen - mylen);

		if (res < 0) {
			ast_log(LOG_NOTICE, "fsk_serial failed\n");
			return -1;
		}

		if (res == 1) {
			b2 = b;
			b  &= 0x7f;

			/* crc checksum calculation */
			if (cid->sawflag > 1)
				cid->crc = calc_crc(cid->crc, (unsigned char) b2);

			/* Ignore invalid bytes */
			if (b > 0xff)
				continue;

			/* skip DLE if needed */
			if (cid->sawflag > 0) {
				if (cid->sawflag != 5 && cid->skipflag == 0 && b == 0x10) {
					cid->skipflag = 1 ;
					continue ;
				}
			}
			if (cid->skipflag == 1)
				cid->skipflag = 0 ;

			/* caller id retrieval */
			switch (cid->sawflag) {
			case 0: /* DLE */
				if (b == 0x10) {
					cid->sawflag = 1;
					cid->skipflag = 0;
					cid->crc = 0;
				}
				break;
			case 1: /* SOH */
				if (b == 0x01) 
					cid->sawflag = 2;
				break ;
			case 2: /* HEADER */
				if (b == 0x07) 
					cid->sawflag = 3;
				break;
			case 3: /* STX */
				if (b == 0x02) 
					cid->sawflag = 4;
				break;
			case 4: /* SERVICE TYPE */
				if (b == 0x40) 
					cid->sawflag = 5;
				break;
			case 5: /* Frame Length */
				cid->sawflag = 6;
				break;	
			case 6: /* NUMBER TYPE */
				cid->sawflag = 7;
				cid->pos = 0;
				cid->rawdata[cid->pos++] = b;
				break;
			case 7:	/* NUMBER LENGTH */
				cid->sawflag = 8;
				cid->len = b;
				if ((cid->len+2) >= sizeof(cid->rawdata)) {
					ast_log(LOG_WARNING, "too long caller id string\n") ;
					return -1;
				}
				cid->rawdata[cid->pos++] = b;
				break;
			case 8:	/* Retrieve message */
				cid->rawdata[cid->pos++] = b;
				cid->len--;
				if (cid->len<=0) {
					cid->rawdata[cid->pos] = '\0';
					cid->sawflag = 9;
				}
				break;
			case 9:	/* ETX */
				cid->sawflag = 10;
				break;
			case 10: /* CRC Checksum 1 */
				cid->sawflag = 11;
				break;
			case 11: /* CRC Checksum 2 */
				cid->sawflag = 12;
				if (cid->crc != 0) {
					ast_log(LOG_WARNING, "crc checksum error\n") ;
					return -1;
				} 
				/* extract caller id data */
				for (x = 0; x < cid->pos;) {
					switch (cid->rawdata[x++]) {
					case 0x02: /* caller id  number */
						cid->number[0] = '\0';
						cid->name[0] = '\0';
						cid->flags = 0;
						res = cid->rawdata[x++];
						ast_copy_string(cid->number, &cid->rawdata[x], res+1);
						x += res;
						break;
					case 0x21: /* additional information */
						/* length */
						x++; 
						/* number type */
						switch (cid->rawdata[x]) { 
						case 0x00: /* unknown */
						case 0x01: /* international number */
						case 0x02: /* domestic number */
						case 0x03: /* network */
						case 0x04: /* local call */
						case 0x06: /* short dial number */
						case 0x07: /* reserved */
						default:   /* reserved */
							ast_debug(2, "cid info:#1=%X\n", (unsigned)cid->rawdata[x]);
							break ;
						}
						x++; 
						/* numbering plan octed 4 */
						x++; 
						/* numbering plan octed 5 */
						switch (cid->rawdata[x]) { 
						case 0x00: /* unknown */
						case 0x01: /* recommendation E.164 ISDN */
						case 0x03: /* recommendation X.121 */
						case 0x04: /* telex dial plan */
						case 0x08: /* domestic dial plan */
						case 0x09: /* private dial plan */
						case 0x05: /* reserved */
						default:   /* reserved */
							ast_debug(2, "cid info:#2=%X\n", (unsigned)cid->rawdata[x]);
							break ;
						}
						x++; 
						break ;
					case 0x04: /* no callerid reason */
						/* length */
						x++; 
						/* no callerid reason code */
						switch (cid->rawdata[x]) {
						case 'P': /* caller id denied by user */
						case 'O': /* service not available */
						case 'C': /* pay phone */
						case 'S': /* service congested */
							cid->flags |= CID_UNKNOWN_NUMBER;
							ast_debug(2, "no cid reason:%c\n", cid->rawdata[x]);
							break ;
						}
						x++; 
						break ;
					case 0x09: /* dialed number */
						/* length */
						res = cid->rawdata[x++];
						/* dialed number */
						x += res;
						break ;
					case 0x22: /* dialed number additional information */
						/* length */
						x++;
						/* number type */
						switch (cid->rawdata[x]) {
						case 0x00: /* unknown */
						case 0x01: /* international number */
						case 0x02: /* domestic number */
						case 0x03: /* network */
						case 0x04: /* local call */
						case 0x06: /* short dial number */
						case 0x07: /* reserved */
						default:   /* reserved */
							if (option_debug > 1)
								ast_log(LOG_NOTICE, "did info:#1=%X\n", (unsigned)cid->rawdata[x]);
							break ;
						}
						x++;
						/* numbering plan octed 4 */
						x++;
						/* numbering plan octed 5 */
						switch (cid->rawdata[x]) {
						case 0x00: /* unknown */
						case 0x01: /* recommendation E.164 ISDN */
						case 0x03: /* recommendation X.121 */
						case 0x04: /* telex dial plan */
						case 0x08: /* domestic dial plan */
						case 0x09: /* private dial plan */
						case 0x05: /* reserved */
						default:   /* reserved */
							ast_debug(2, "did info:#2=%X\n", (unsigned)cid->rawdata[x]);
							break ;
						}
						x++;
						break ;
					}
				}
				return 1;
				break;
			default:
				ast_log(LOG_ERROR, "invalid value in sawflag %d\n", cid->sawflag);
			}
		}
	}
	if (mylen) {
		memcpy(cid->oldstuff, buf, mylen * 2);
		cid->oldlen = mylen * 2;
	} else
		cid->oldlen = 0;
	
	return 0;
}
Beispiel #29
0
crc_t flashStateCrc(persistent_config_container_s *state) {
	return calc_crc((const crc_t*) &state->persistentConfiguration, sizeof(persistent_config_s));
}
Beispiel #30
0
short main (short argc, char *argv[])
{
    unsigned short status=0;            /* TX and RX status                 */
    unsigned short tries;               /* Attempts to send a file          */
    unsigned short cmp_size;            /* Size after compression           */
    unsigned short data_written;        /* Data written to the file         */
    unsigned short data_read;           /* Data read from the file          */
    char *file_name;                    /* filename                         */
    char *function;                     /* Receive, Transmit                */
    char *com_port;                     /* Communications adapter port      */

    file_name = get_inp (argc, argv);   /* Get file name                    */
    if (file_name == NULL )
    {
        disp();                         /* Display usage message            */
        return JM_FNF;
    }
    function  = get_fun (argc, argv);   /* Get function 'R' or 'S'          */
    if (function == NULL)
    {
        disp();                         /* Display usage message            */
        return JM_CMD;
    }
    com_port  = get_prt (argc, argv);   /* Get port '1 to 4 '               */
    if (com_port == NULL)
    {
        disp();                         /* Display usage message            */
        return JM_CMD;
    }
    port = get_port(*com_port);         /* Convert port to an offset        */
/****************************************************************************/
/*                          Allocate buffers                                */
/****************************************************************************/
    in_buffer = allocate_memory(DAT_LEN);  /* Get some memory for input     */
    if (in_buffer == NULL)
        return JM_MEM;                     /* No memory available           */
    out_buffer = allocate_memory(DAT_LEN); /* Get some memory for output    */
    if (out_buffer == NULL)
        return JM_MEM;                     /* No memory available           */
    comp_buffer=allocate_memory(DAT_LEN);  /* Get memory for compression    */
    if (comp_buffer == NULL)
        return JM_MEM;                     /* No memory available           */
    file_buffer=allocate_memory(DAT_LEN);  /* Get memory for file buffer    */
    if (file_buffer == NULL)
        return JM_MEM;                     /* No memory available           */
    int_buffer =allocate_memory(DAT_LEN);  /* Memory for interrupt buffer   */
    if (int_buffer == NULL)
        return JM_MEM;                     /* No memory available           */
/****************************************************************************/

    screen (SCR_SGN,NULL,NULL);            /* Write signon screen           */
    syst.s_len = BLK_SIZ;
    syst.s_byt = 0;
    syst.s_blk = 0;
    syst.s_sta = okay;
    switch(*function)                     /* Functions are TX and RX       */
    {
/****************************************************************************/
/*                          Receive JMODEM file                             */
/****************************************************************************/
    case 'R':
        {
            if (!file_io(CREATE, &handle, &file_name, NULL) )
            {
                buff = (JBUF *) in_buffer;            /* Assign type JBUF   */
                open_chan(port);                      /* Open com channel   */
                screen (SCR_STA,NULL,NULL);           /* Write status block */
                status = rx_sync();                   /* Synchronize        */
                if (!status)
                    screen (SCR_SYR,NULL,NULL);
                data_written = 0xFFFF;
                tries = 10;			    /* Attempts to receive */
                while (    (data_written)             /* Write file okay   */
                        && (!user_abort )             /* No break key      */
                        && (!status     )             /* Recev block okay  */
                        && (tries--)    )             /* 10 retries        */
                {
                    time(&start);                     /* Get starting time */
		    screen (SCR_SYS,&syst,NULL);      /* Show status block */
                    status = recv_blk (               /* Receive data-block*/
                             &syst.s_len,             /* Block length      */
                             in_buffer);              /* Input buffer      */
                    if (status)                       /* If bad            */
                        break;                        /* Abort the WHILE   */
                    if( (!(calc_crc(GET_CRC,          /* Calculate CRC     */
                          syst.s_len,                 /* Amount to check   */
                          in_buffer) ))               /* Receiver buffer   */
		      && ( buff->blk_num ==           /* Check block also  */
                         (unsigned char)
                         (syst.s_blk +1)))            /* Block number      */
                    {
                        syst.s_sta = okay;            /* Text pointer      */
                        tries=10;                     /* Reset count       */
                        syst.s_len -= OVRHD;          /* Subtract overhead */
                        *out_buffer = ACK;            /* Good              */
                        write_chan(1,out_buffer);     /* Send the ACK      */

                        /* If data was compressed                          */
			if ( (buff->blk_typ & COMP) == COMP)
                        {
                             syst.s_len = decode (    /* Decode the data   */
                                      syst.s_len,     /* Data-block length */
				     &buff->blk_dat,  /* Where to start    */
                                     file_buffer);    /* Where to put data */
                        }
                        else
                        /* Data was normal (not compressed, just copy )    */
                        {
                            memcpy (file_buffer,&buff->blk_dat,syst.s_len);
                        }
                        /* Write to the file                                */
                        data_written = file_io( WRITE ,  /* Function        */
                                         &handle,        /* File handle     */
                                         &file_buffer ,  /* Where data is   */
                                         syst.s_len );   /* Amount to write */
                        syst.s_byt += data_written;      /* Total bytes     */
                        syst.s_blk++;                    /* Block number    */
                        time(&finish);                   /* Get end time    */
                        if (finish - start)              /* Check div/0     */
                            syst.s_cps = (short)         /* Calc Block CPS  */
                            (data_written / (finish - start) );

                            /* Check for end-of-file                        */
                        if ( (buff->blk_typ & EOF_) == EOF_)
                        {                       /* This was the end of file */
                            file_io(CLOSE,               /* Function        */
                                   &handle,              /* Open handle     */
                                   &file_name,           /* Name not used   */
                                   NULL);                /* Buffer not used */
                            close_chan(port);            /* Close the port  */
                            status = JM_NRM;             /* Set status      */
                            goto cleanup;                /* exit routine    */
                        }
                    }
                    else
                    {
                        *out_buffer = NAK;              /* Bad block        */
                        syst.s_sta = retry;             /* Char pointer     */
                        write_chan(1,out_buffer);       /* Send the NAK     */
                     }
                }
                close_chan(port);                        /* Aborted         */
                file_io(DELETE,                          /* Function        */
                        &handle,                         /* File handle     */
                        &file_name,                      /* Name            */
                        NULL);                           /* Buffer not used */
                status = JM_ABT;
		break;                                   /* Exit if() {}    */
            }
            else                                       /* Can't create file */
            {
                status = JM_CRE;
                break;                                   /* Exit while() {} */
            }
        break;                                           /* Exit case 'R'   */
        }
/****************************************************************************/
/*                          Send JMODEM file                                */
/****************************************************************************/
    case 'S':   /* Send JMODEM file */
        {
            if (!file_io(OPEN_READ, &handle, &file_name, NULL) )
            {
                buff = (JBUF *)out_buffer;            /* Assign type JBUF   */
                syst.s_byt = 0;                       /* Restore byte count */
                open_chan(port);                      /* Open COM port      */
                data_read = 0xFFFF;                   /* Initialize         */
                screen (SCR_STA,NULL,NULL);           /* Write status block */
                status = tx_sync();                   /* Synchronize        */
                if (!status)
                    screen (SCR_SYT,NULL,NULL);
                while  (  (!user_abort)               /* Ctrl - break       */
                       && (!status) )                 /* sent okay          */
                {
                    time(&start);                     /* Get starting time  */
                    data_read = file_io( READ       , /* Read a record      */
                                       &handle      , /* File pointer       */
                                       &file_buffer , /* Where to put       */
                                      syst.s_len );   /* Amount to read     */
                    if (!data_read)                   /* Past end of file   */
                        break;
                    syst.s_byt += (long) data_read;   /* Running count      */
		    screen (SCR_SYS,&syst,NULL);      /* Show status block  */
                    buff->blk_num = (unsigned char)
                                     ++syst.s_blk;    /* Block number       */
                    if (data_read != syst.s_len)      /* Byte request       */
                        buff->blk_typ = EOF_;         /* Into control-byte  */
                    else
                        buff->blk_typ = NORM;         /* Normal block       */
                    
                    cmp_size = encode (data_read,     /* Encode size        */
                                      file_buffer,    /* Source             */
                                      comp_buffer);   /* Destination        */

                    if ( cmp_size  < data_read  )     /* If compressed      */
                    {
			buff->len = (cmp_size+OVRHD); /* Length of block    */
                        buff->blk_typ |= COMP;        /* Show compressed    */
                        memcpy (&buff->blk_dat,       /* Start of data      */
                                   comp_buffer,       /* Copy from here     */
                                   cmp_size);         /* This much          */
                    }
                    else                              /* Not compressed     */
                    {
			buff->len = (data_read+OVRHD);/* Length of block    */
                        memcpy (&buff->blk_dat,       /* Copy to            */
                                   file_buffer,       /* Copy from          */
                                   data_read);        /* This amount        */
                    }
                    calc_crc(SET_CRC,                 /* Calculate CRC      */
                            buff->len ,               /* Length of block    */
                            out_buffer);              /* Where data is      */
                    status = send_blk(                /* Send the block     */
                             buff->len,               /* Block length       */
                             &syst,                   /* Read block ptr.    */
                             out_buffer);             /* Buffer pointer     */

                    time(&finish);                    /* Get end time       */
                    if (finish - start)               /* Guard div/zero     */
                        syst.s_cps = (short)          /* Calc Block CPS     */
                        (data_read / (finish - start) );
                    if ( buff->blk_typ == EOF_)       /* Last record        */
                        break;
                }
                close_chan(port);                     /* Close the port     */
                if (status)
                    syst.s_sta = abrt;                /* A text pointer     */
                else
                    syst.s_sta = done;                /* A text pointer     */

                file_io(CLOSE, &handle,
                        &file_name, NULL);            /* Close the file     */
                screen (SCR_SYS,&syst,NULL);          /* Show status block  */
            }
            else                                      /* File not found     */
            {
                status = JM_FNF;
            }
        break;  /* End of CASE 'S' */
        }
    }
    cleanup:
    free (in_buffer);                                  /* Free  buffers     */
    free (out_buffer);
    free (comp_buffer);
    free (file_buffer);
    /* Five-second timer to display error messages */
    if (status != JM_NRM)
    {
        time(&finish);
        start = 0;
        finish += 5;
        while ( finish > start )
            time(&start);
    }
    screen (SCR_END,NULL,NULL);                         /* Clear the screen */
    return status;                                      /* Normal exit      */
}