GM862-GPS Software User Guide - SemiconductorStore.com

GM862-GPS Software User Guide1vv0300729 Rev. 4 - 24/01/076 Service and firmware updateThe Telit GM862-GPS module firmware can be updated through the same serial interface, which is usednormally for the AT commands. Since the software group is continuously working, in order to improvethe overall performances and introduce new features on the product, we suggest, in order to keepupdated the modules firmware, to foresee an external access to that interface with level converters toRS232, which allows connecting a Windows-based PC. It shall be possible to start the updateprocedure at POWER OFF condition of the module and then switch it ON to continue.During the application development or evaluation phase of the Telit GM862-GPS module, the RS232interface with the level converters or the USB port implemented on the Telit Evaluation Kit EVK2 canbe used to connect to a Windows-based PC on which the specific program for updating the Software(TFI) can be run.6.1 Step-by-Step upgrade procedureThe firmware update can be done with a specific software tool provided by Telit that runs on Windowsbased PCs.First the program will erase the content of flash memory, then the program will write on the flashmemory. To update the firmware of the module, we suggest the following procedure:• Collect information about the Hardware and implemented version of Software by the commandAT+CGMR, which returns the Software version information;AT+CGMM, which returns the Model Identification.1. Switch OFF the module.2. Run the file TFI_xxxx.exe. When the following window should be displayed select thelanguage preferred by pressing the correspondent button.3. The End User License Agreement will appear. Please, read it and accept the terms if you aregoing to proceed.Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 108 of 111