Openocd

Cheat Sheet

For a comprehensive list of commands, see: http://www.openocd.org/doc/html/General-Commands.html

Command	Description
init	initalize
halt	halt the processor
reset halt	reset device and halt
reset run	reset device and start execution
flash list	lists detected flash devices
flash read_bank <bank> <outputfile> flash read_bank 0 firmware.bin 0 0x8000	Reads the entire bank of flash memory into an output file. Eg. read the first 32KB of flash memory
reg	shows all registers
reg <register>	Shows a specific register. Eg. reg r0.
md{d,w,h,b} <address>	Memory access (d = double/64 bit, w = word/32 bit, h = half/16 bit, b = byte/8 bit)
mw{d,w,h,b} <address>	Memory write (same units above).

Interfacing with STM32F100

There are some specific commands for the STM32F100 through the stm32f1x commands. To begin, run:

# openocd -f interface/stlink-v2.cfg -f target/stm32f1x.cfg

You may use the commands listed in the cheat sheet above and also the STM32 specific commands below.

Command	Description
stm32f1x mass_erase 0	Erase
stm32f1x options_read 0	Check set options, such as if readout protection is enabled.
stm32f1x unlock 0	Unlock the readout protection (Warning: erases existing contents!)