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13.0 NMEA PROTOCOL SUPPORT

CT5510 has a set of NMEA commands that can be used to control the logging
system. On the table below is a summary of the available NMEA
logging commands.

Command

Description

LOGCLEAR

Erase log data from CT5510’s memory

LOGFREE

Calculate how much space is left for log data

LOGGET

Output logged data as standard NMEA messages

LOGINFO

Show log information

LOGMODE

Set logging start mode

LOGNAME

Set log name

LOGNUM

Show how many logs are currently stored in the memory

LOGSETTING

Sets the logging settings

LOGSTOP

Stop logging without stopping navigation

Содержание PCM-3292

Страница 1: ...PCM 3292 PC 104 GPS Module Users Manual...

Страница 2: ...ULSELEN Set 1PPS Pulse Length 16 5 4 Navigation Aiding Commands 16 5 4 1 INITAID Initial Position And Time Aiding 16 5 4 2 ALTAID Set The Altitude Aiding Mode 17 5 4 3 SETLIMIT Set Limits For Altitude...

Страница 3: ...Update Rate Default 1 second Operation Temperature 40 C to 85 C Storage Temperature 40 C to 95 C Operating voltage 5V 5 ripples within 50mVp p Antenna supply 3 3V Antenna External active antenna Powe...

Страница 4: ...Name JP8 IRQ3 JP13 IRQ3 JP18 IRQ11 JP9 IRQ4 JP14 IRQ4 JP19 IRQ12 JP11 IRQ5 JP16 IRQ7 JP20 IRQ14 JP12 IRQ7 JP17 IRQ10 JP21 IRQ15 Table 2 PIN No PIN Name PIN No PIN Name PIN No PIN Name JP4 COM1 JP5 COM...

Страница 5: ...0V 0V 2 SD7 RESET SBHE MEMCS16 3 SD6 5V LA23 IOCS16 4 SD5 IRQ9 LA22 IRQ10 5 SD4 5V LA21 IRQ11 6 SD3 DRQ2 LA20 IRQ12 7 SD2 12V LA19 IRQ15 8 SD1 ENDXFR LA18 IRQ14 9 SD0 12 LA17 DACK0 10 IOCHRDY KEY MEMR...

Страница 6: ...Enable Open Disable JP12 IRQ7 Short Enable Open Disable Interrupt Port Select The default setting is COM3 IRQ5 Enable Enhance Jump No Define Note JP13 IRQ3 Short Enable Open Disable JP14 IRQ4 Short E...

Страница 7: ...output pulse that transitions from a logic low condition to a logic high at a 1 Hz rate The TMARK output pulse rise times typically less than 2 nanoseconds and the pulse duration is typically 25milli...

Страница 8: ...8 4 0 Module Dimensions 3250 3775 250 125 350 3550 200 200 200 500 250 1050 300 Unit mil 16 5 28 6 1 6 Unit mm...

Страница 9: ...tart Module will behave as if no valid ephemeris or PVT data were available 2 Request warm start 3 Request hot start Requires RTC time valid ephemeris and PT data Calculates a fix as soon as PS time i...

Страница 10: ...nownGood fix ephemeris and almanac data to flash memory 5 1 2 PWRDOWN PCM3292 Sleep Mode Commands PCM3292 to sleep mode Using the sleep mode is recommended when navigation isn t needed PCM3292 consume...

Страница 11: ...ages one would set mask as 0x1000 0x8000 0x9000 See examples below Note that hexadecimal digits A B C D E and F must be in capital letters Enables a message used for special purposes speed Communicati...

Страница 12: ...L 1 Position pinning on off 1 on 3 BOOL 1 Velocity smoothing on off 4 BOOL 1 Position smoothing on off 10 BOOL 1 Carrier smoothing on off 17 BOOL 0 Route nav msg task messages to host enables calculat...

Страница 13: ...Synchronous NMEA Output Mode Enables or disables the synchronous NMEA output mode In the synchronous output mode all the enabled NMEA navigation messages are outputted approx once per second regardle...

Страница 14: ...doesn t affect logged data Log data is cleared with PFST LOGCLEAR command 5 2 9 RESTORE Restores Default Parameter Set Restores factory default parameter set PFST RESTORE NOTE Navigation has to be sto...

Страница 15: ...292 outputs PPS pulse 2 PPS static mode PCM3292 outputs PPS pulse 3 PPS roving mode PCM3292 outputs PPS pulse 5 3 2 PPSPOS PPS Static Mode Antenna Position Sets the antenna coordinates for PPS static...

Страница 16: ...or finding the satellites and receiving the first valid navigation fix If the position isn t known the initial time may also be given alone by omitting the position parameters i e using the command wi...

Страница 17: ...ltitude given in the altitude parameter altitude Constant altitude in meters above the sea level used in altitude aiding mode 2 This parameter is ignored in other modes The constant altitude is subjec...

Страница 18: ...ORDS is the amount of free space in 16bit words and ITEMS is how many log items fit into the free space with the current logging settings 5 5 3 LOGGET Output logged data Output logged data items This...

Страница 19: ...PFST LOGNUM The number of logs NUM is displayed on the reply message PFST LOGNUM NUM hh 5 5 8 LOGSETTING Set logging settings Sets the logging settings PFST LOGSETTING LEVEL MININT MINMOVE MAXINT MAXM...

Страница 20: ...a a xxxx hh CR LF hhmmss dd UTC time hh hours mm minutes ss seconds dd decimal part of seconds xxmm dddd Latitude xx degrees mm minutes dddd decimal part of minutes N S Either character N or character...

Страница 21: ...are in the PRN number order Only the SNR signal to noise ratio value is available until a position fix is attained The elevation and azimuth angles are also added after a fix Note that there CAN be th...

Страница 22: ...s dddd decimal part of minutes N S Either character N or character S N North S South yyymm ddd d Longitude yyy degrees mm minutes dddd decimal part of minutes E W Either character E or character W E E...

Страница 23: ...ng T Degrees heading units m m Magnetic heading This value is available if magnetic model data has been stored to the flash memory available since firmware rev 1 08 M Degrees Magnetic heading units s...

Страница 24: ...tem 056 Masirah Island 057 United Arab Emirates 058 Saudi Arabia 059 Oman 060 Qatar 061 Singapore 062 East Malaysia 063 Japan Korea 064 Japan 065 Okinawa 066 South Korea 067 Australia 1966 068 Austral...

Страница 25: ...nd Madeira Islands 167 Puerto Rico and Virgin Islands 168 South Greenland 169 Sao Miguel 170 East Falkland Island 171 Salvage Islands 172 Tristan da Cunha 173 Cocos Islands 174 Republic of Maldives 17...

Страница 26: ...procedure Using the sleep mode is recommended when navigation isn t needed since CT5510 consumes remarkably little power in the sleep mode and still re acquires the navigation fix quickly after waking...

Страница 27: ...ll automatically be restarted after waking up from the sleep mode PFST PWRDOWN hours minutes seconds or PFST PWRDOWN hours How many hours to sleep minutes How many minutes to sleep seconds How many se...

Страница 28: ...avigation data of the previous actual navigation fix until a new fix is acquired PFST INITAID time date lat N S long E W altitude time UTC time in hhmmss dd format hh hours 2 digits mm minutes 2 digit...

Страница 29: ...00102 CR LF Sets the initial time only NOTE This command has to be given before starting navigating If AUTOSTART is active navigation has to be stopped after switching on the power then issue the INIT...

Страница 30: ...n the flash memory prior to shutting down Off time contributes to the start time of CT5510 General rules of thumb is as follows Between 1 to 4 hours Hot Start 10 15 seconds Over 4 hours Warm Start 35...

Страница 31: ...avigation information or a subset of them Latitude longitude coordinates with a resolution of 0 0000001 degrees about 1 cm on earth surface Altitude with a resolution of 1 meter Time with a resolution...

Страница 32: ...0 stores time and latitude longitude coordinates at each point Step 2 Logging start mode By default logging is disabled To activate logging set the logging start mode to 3 In this mode a new log is cr...

Страница 33: ...memory as new logs are created each time when logging is started with the given settings The number of logs can be displayed with the PFST LOGNUM command e g PFST LOGNUM CR LF The system responds with...

Страница 34: ...is configured as described above a new log is created each time when navigation is started To stop using the logging capability the logging can be disabled by setting the start mode to zero Using NMEA...

Страница 35: ...A new point won t be added to a log if the time elapsed since the previous log point is less than the minimum interval time set An exception is that if the maximum movement limit is exceeded then a n...

Страница 36: ...point is logged when at least 5 seconds has elapsed from the previous point and the distance from the previous point is at least 15 meters Example Assume that the limit settings are defined as follow...

Страница 37: ...ontrols if and how CT5510 should start logging when GPS navigation is started Depending on the start mode the system may create a new log each time when logging is started or continue using the old lo...

Страница 38: ...these alternative approaches Using the NMEA protocol In this approach the CT5510 outputs the logged data to the NMEA serial port as standard NMEA messages Using the iTalk protocol The binary iTalk pro...

Страница 39: ...Description LOGCLEAR Erase log data from CT5510 s memory LOGFREE Calculate how much space is left for log data LOGGET Output logged data as standard NMEA messages LOGINFO Show log information LOGMODE...

Страница 40: ...matic recovery checks due to the power loss the next power up time may be longer It s also possible that CT5510 s logging system may occasionally unable to continue the previous log logging start mode...

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