PIC24FJ256GB406 - update firmware by GPRS (u-blox module).
dear friend, I have a question about update my program in PIC24FJ256GB406 by use a GPRS.
I want use in my device that mcu and u-blox GPRS module. Module communicate with mcu by uart.
What problem can I meet in this process ?
I want use a serwer when for example will be new *.hex file, and that file need to be write to my mcu.
I want use that mcu, becuase there is 2 partitions program memory system, whe for example new program will not
work correctly or network will stop downloading program (out of range etc) I want back to 1 program version.
Could You help me step by step what I need to do ?