StmDfuBlue - Stm32 firmware updater via bluetooth
By Yaroslav Trymbach
Application for updating firmware of Stm32 CPU through Bluetooth by utilizing Bluetooth-to-Serial modules.
It help modules with traditional bluetooth SPP protocol (i.e. HC-06) and additionally BLE modules on microcontroller cc254x (i.e. HM-10)
Realization of the software is primarily based on next paperwork from company STMicroelectronics.
1. AN2606 STM32 microcontroller system memory boot mode
2. AN3155 USART protocol used in the STM32 bootloader
How to use application.
PREPARATION
1. Set appropriate serial configuration in Bluetooth-to-Serial module. It ought to be 8 bits, even parity and 1 Stop bit and baud fee from 1200 to 115200. How set configuration read in datasheet for your Bluetooth-to-Serial module.
2. Connect Bluetooth-to-Serial module to your Stm32 board.
In common r Stm32 uses subsequent pines for serial bootloader
PA10 (USART RX) and PA9 (USART_TX)
3. Activate bootloader mode for Stm32. How to do this learn in AN2606. In basic you ought to set pins BOOT0 and BOOT1 in appropriate mixture according to mannequin of your CPU.
PROGRAMMING
1. Turn on bluetooth in you telephone and join to Bluetooth-to-Serial module
2. Select file with firmware you need to write.
Firmware file ought to be in one of following format
- Intel hex
- Motorola S-Record
- Raw binary
3. Set writing choices you need. You can select subsequent options
- Erase solely essential pages
- Unset readout protection if want
- Set readout safety after writing
- Go CPU after programming
4. Press button "Load file to flash" and wait for end of operation.
Additionaly in software obtainable subsequent operation
- Erasing
- Checking flash for blank
- Compare flash with file.
You can choose this operation through apropriated point in menu.
Application is checked on next CPU:
Stm32F072
Stm32F103
Stm32F302
Stm32F401
Stm32L053
Stm32L152
Stm32L432
Stm32G071
RESTRICTION OF USING
You can make until 25 firmware importing absolutely free.
After you achieved this restrict you can buy one of two companies
1. extra a hundred importing
2. limitless using of application.
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