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-= Using ST-LINK =
-
-ST-LINK is STM's implementation of the [https://developer.arm.com/products/architecture/cpu-architecture/debug-visibility-and-trace/coresight-architecture/serial-wire-debug | Serial Wire Debug (SWD)] protocol.                                                                                                                                                                                                                              
-Think of it as JTAG if you're more comfortable with that.                                                                                                                                                                                                                                    
-
-== Getting an ST-LINK programmer ==
-
-ST-LINK is built into all(?) of STM's Nucleo and Discovery evaluation
-boards, which can be had for as little as US$10 from [http://mouser.com Mouser]
-or [http://element14.com element14] ([http://newark.com Newark] in
-the Americas, [http://farnell.com Farnell] in Europe).
-
-We have tested with STM32F0DISCOVERY and STM32F4DISCOVERY (both with ST-LINK
-v2.0) and NUCLEO-F411RE (with ST-LINK v2.1).
-
-=== Connecting the ST-LINK programmer to the Alpha ===
-
-On the STM board, remove the pair of ST-LINK jumpers (CN4 on the F4DISCO,
-CN2 on the F0DISCO and NUCLEO). Then locate the 6-pin SWD header (CN3 on
-the F0DISCO, CN2 on the F4DISCO, CN4 on the NUCLEO), and connect it to J1
-on the Alpha board (top, just left of center).
-
-This photo shows the correct orientation of the cables (both boards
-oriented so that the logo is right-side up):
-
-[[Image(IMG_20170512_205557_s.jpg)]]
-
-NOTE: The STM boards have an unfortunate tendency to short unexpectedly, so
-I recommend putting them in an enclosure. In this case, I've cut holes in
-the original packaging.
-
-== Install OpenOCD and the debugger ==
-
-{{{
-$ apt-get install gdb-arm-none-eabi openocd
-}}}
-
-== Get the `debug` and `flash-target` scripts ==
-
-If you don't already have a cryptech source tree somewhere, get the source distribution, e.g.
-{{{
-$ apt-get source cryptech-alpha
-}}}
-
-The scripts are in `sw/stm32/bin`.
-
-== Re-flashing the Alpha ==
-
-=== To reflash with our binary firmware ===
-{{{
-$ tar xfz /usr/share/cryptech-alpha-firmware.tar.gz
-$ flash-target hsm
-}}}
-
-
-What you should see is something like:
-{{{
-** Programming Started **
-auto erase enabled
-Info : device id = 0x20016419
-Info : flash size = 2048kbytes
-Info : Dual Bank 2048 kiB STM32F42x/43x/469/479 found
-target halted due to breakpoint, current mode: Thread
-xPSR: 0x61000000 pc: 0x20000046 msp: 0x2002fffc
-wrote 524288 bytes from file projects/hsm/hsm.elf in 12.344705s (41.475 KiB/s)
-** Programming Finished **
-** Verify Started **
-target halted due to breakpoint, current mode: Thread
-xPSR: 0x61000000 pc: 0x2000002e msp: 0x2002fffc
-target halted due to breakpoint, current mode: Thread
-xPSR: 0x61000000 pc: 0x2000002e msp: 0x2002fffc
-verified 509100 bytes in 0.953672s (521.320 KiB/s)
-** Verified OK **
-** Resetting Target **
-Info : Unable to match requested speed 2000 kHz, using 1800 kHz
-Info : Unable to match requested speed 2000 kHz, using 1800 kHz
-adapter speed: 1800 kHz
-shutdown command invoked
-}}}
-
-
-=== To reflash with firmware you built from source ===
-
-See BuildingFromSource.
-
-== Debugging the Alpha ==
-
-This site shows several ways to use various debuggers to debug the
-firmware in an STM32:
-
-    http://fun-tech.se/stm32/OpenOCD/gdb.php
-
-There is a shell script called 'bin/debug' that starts an OpenOCD server
-and GDB:
-
-{{{
-$ sw/stm32/bin/debug projects/hsm/hsm
-}}}