st-flash

st-flash

TLDR

Read 4096 bytes from the device starting from 0x8000000

$ st-flash read [firmware].bin [0x8000000] [4096]
copy

Write firmware to device starting from 0x8000000

$ st-flash write [firmware].bin [0x8000000]
copy

Erase firmware from device

$ st-flash erase
copy

SYNOPSIS

st-flash [OPTIONS] {read|write|erase} [FILE] <ADDR> <SIZE>

DESCRIPTION

Flash binary files to arbitrary sections of memory, or read arbitrary addresses of memory out to a binary file.

You can use this instead of st-util(1) if you prefer, but remember to use the .bin image, rather than the .elf file.

Use hexadecimal format for the ADDR and SIZE.

COMMANDS

write FILE ADDR

Write firmware FILE to device starting from ADDR

read FILE ADDR SIZE

Read firmware from device starting from ADDR up to SIZE bytes to FILE

erase

Perform a mass erasing of the device firmware

reset

Reset the target

OPTIONS

--version

Print version information

--debug

TODO

--reset

TODO

--opt

Enable ignore ending empty bytes optimization

--serial iSerial

TODO

--flash=fsize

Where fsize is the size in decimal, octal, or hex followed by an optional multiplier `k' for KB, or `m' for MB. Use a leading “0x” to specify hexadecimal, or a leading zero for octal.

EXAMPLES

Flash firmware.bin to device

$ st-flash write firmware.bin 0x8000000

Read firmware from device (4096 bytes)

$ st-flash read firmware.bin 0x8000000 0x1000

Erase firmware from device

$ st-flash erase

COPYRIGHT

This work is copyrighted. Stlink contributors. See LICENSE file in the stlink source distribution.

SEE ALSO

st-util(1), st-info(1)

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