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MCU firmware update with USART interface for STM32F100C8

Question asked by li.kenny on Apr 10, 2013
Latest reply on Apr 10, 2013 by Clive One

I am a new bird for this MCU. My project has two part:

(1) Main program: Using the ST MCU (P/N: STM32F100C8) totransfer data in and out witha Bluetooth-module through USART interface and then to Android phone:

ST MCU <--> BT module <--> Android, (all communicate with each other by USART interface)

(2) Firmware update: I would like to do the firmware update function to update the main program byan Android phone which  sending the update firmware to ST MCU throughBT-module by also USART interface. 

I spent quite a lot of time searching method in this forum and other websites, 
But I just cannot make sure some method like bootloader or DFU is the way I should 
keep going. I have also checked many application note e.g. AN2606, AN3155 and AN3374... but seems that I do not have enough information to figure out the picture.


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