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How to upgrade OpenSDA bootloader from 2.0 to 2.1?

Question asked by Wang Walter on Aug 9, 2016
Latest reply on Mar 27, 2017 by Viet Nguyen Huu

Dear experts,


I've got a MAPS-K22F+Dock (from Manley) on hand, there is an K20DX128 with USB port on the Dock board which supports OpenSDA and emulated serial port. Initially I found maybe the OpenSDA bootloader is V2.0 because there is a bootload.htm file after entering bootloader mode, and it already has K64F MBED app in it. My target processor is K22F, which needs bootloader V2.1 to support. After downloading, and copy/paste k20dx128_bootloader_0x8000.bin (in the zip) to MSD drive in bootloader mode, and re-plug the USB, nothing happened, the bootloader still remain V2.0. I've tried using K22F app under V2.0 but failed (No MBED devices detected).

But it is a bit weird that I can debug K22F projects in KDS 3.2 with OpenOCD and 0226_k20dx128_k64f_0x5000.bin.


Is there any trick to upgrade OpenSDA bootloader from 2.0 to 2.1?


Thanks in advance.