How to flash the Motion Controller with the modified firmware:
WARNING: This is modified firmware is not supported by anyone. Update at your own risk.
Install Dependencies
-
Install OpenOCD
$ brew update openocd
Debug Port Pinout
Flashing the Printer
Terminal 1: Start OpenOCD Server
$ cd [working directory]
$ openocd -f /usr/local/share/openocd/scripts/interface/stlink-v2.cfg -f /usr/local/share/openocd/scripts/target/stm32f0x.cfg
adapter speed: 1000 kHz
adapter_nsrst_delay: 100
none separate
Info : Unable to match requested speed 1000 kHz, using 950 kHz
Info : Unable to match requested speed 1000 kHz, using 950 kHz
Info : clock speed 950 kHz
Info : STLINK v2 JTAG v17 API v2 SWIM v4 VID 0x0483 PID 0x3748
Info : using stlink api v2
Info : Target voltage: 3.126620
Info : stm32f0x.cpu: hardware has 4 breakpoints, 2 watchpoints
Terminal 2: Connect to OpenOCD Server
$ telnet localhost 4444
Trying ::1...
telnet: connect to address ::1: Connection refused
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
Open On-Chip Debugger
> reset halt
> stm32f0x unlock 0
[power cycle the board]
> stm32f0x mass_erase 0
> flash write_bank 0 hacked_v41.bin 0
That's all folks!