I have a FW written with IAR on STM32L
This is a GPS and GSM locator with ublox modules, the device sends its position via GPRS connection to a server web site Map.
everything works great in the FW only one problem i have,
sometimes by switch on the device, the tracker no longer works (it can no longer send data to the server, to make it work again I have to send them a command via SMS.
so i believe there is a problem in the programming or in the eeprom.
skill requested: IAR, knowledge with GSM modules.
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Hi i have read your project description and willing to check your system. i will check your software for why the device is not responding after some time please forward the protocol for checking. thanks.