Black Magic Probe

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Black Magic Probe V2.1.webp

Usually when flashing and debugging software on STM32 one would use a ST-Link device (either original or a cheap Chinese clone). For some completely incomprehensible reason, ST are not making the source code for the ST-Link readily available. Not only do they not provide source code, but it would appear they are actively trying to prevent clones from working.

Fortunately there are open source solutions available, the most prominent of these being the Black Magic Probe from 1BitSquared.

Platforms

The Black Magic Probe firmware can be build for many different platforms with different pinout. The following sections list the pinout.

Blue Pill

Build

$ make PLATFORM=bluepill

Pinout

ST-Link Clone

Build

$ make PLATFORM=stlink

Black Pill

Build

$ make PROBE_HOST=f4discovery BLACKPILL=1 ENABLE_RTT=1

Pinout

Function Pin
TDI PA1
TMS/SWDIO PA13
TCK/SWCLK PA14
TDO/SWO PB3
TRST PB5
SRST PB7
TX PB6
RX PB7

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