Embedded Artists GPS Receiver Board EA-ACC-023 EA-ACC-023 Hoja De Datos
Los códigos de productos
EA-ACC-023
GlobalTop PMTK command packet
Rev.A08
The document is the exclusive property of GlobalTop Tech Inc. and should not be distributed, reproduced, or any other format without prior permission of GlobalTop
Tech Inc. Specifications subject to change without prior notice
Tech Inc. Specifications subject to change without prior notice
GlobalTop Tech Inc.
No.16 Nan-ke 9th Rd Science-based Ind. Park, Tainan 741-47, Taiwan, R.O.C.
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http://www.gtop-tech.com/
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Copyright© 2011 GlobalTop Tech Inc. All right reserved
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Notice:
How to calculate the checksum value
Example: $PMTK605*31<CR><LF>
31 is the checksum, and it is calculated by Xor all characters between $ and *.
CR, LF
:Two bytes binary data
The two bytes are used to identify the end of a packet
How to acquire that checksum value by checksum tool.
Example: $PMTK226,3,30*4<CR><LF>
Command setting reset
Those command packet for module baud rate and update rate changed only temporary, when module
power reset those update rate and baud rate must be back to original setting. If user want to
change baud rate and update rate of module to other value that need GTop re-edit new firmware
and burning it to module.