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New Version Firmware update in the field LPC1768

Question asked by ramana madishetty on Dec 20, 2018

My query is to update the new version Firmware in the Datalogger (in the field).

I already had a SD card interfaced in the Datalogger. My idea is to store/copy new version .hex file (by any card reader through PC) inside the sd card, which can easily be updated through SD-Card. Simultaneously, this Card is used as a storage for the logged Data. This Data you can view on your workstation. 


What is the process to dump my hex file in ROM through Sd card?

Do i need to write SD card boot loader or IAP Programming where i will read the .hex file and dump the code in flash by IAP programming.