Wireless M-Bus Range Extender /
/
User Manual Version 1.0
Page 20 of 32
Firmware Update via Bootloader
Main component of the Wireless M-Bus Range Extender is a radio module which comes with an integrated bootloader.
With this bootloader program files ("HEX-Files") can be loaded into the radio modules microcontroller via the Serial Config Interface (UART
pins RxD and TxD).
To enter the bootloader on the Wireless M-Bus Range Extender the jumper has to be set on the BOOT Header and a device reset has to be
carried out, refer to the
in step 2.
figure
Within the following a step by step instruction how to update the firmware via bootloader is given:
Step 1 : Preparing the PC
Close the WS Configurator if running
Download and install the
).
STM32CubeProgrammer
https://www.st.com/en/development-tools/stm32cubeprog.html
Connect the configuration cable
to your
and start the STMCubeProg.
TTL-232R-3V3
PC
Choose and configure the UART.
Step 2 : Set the Wireless M-Bus Range Extender into Bootloader Mode
Connect the configuration cable TTL-232R-3V3 to the
of the Wireless M-Bus Range Extender and
Serial Configuration Interface
mount a jumper to the BOOT Header.
Trigger a
by pressing the internal reset button or execute a power cycle.
Reset
