cpu, boards: add stm32c0

[jparker324]

Adding updated STM32C0 targets per https://www.st.com/en/microcontrollers-microprocessors/stm32c0x1.html

Supported cpu targets now include STM32C011, STM32C031, STM32C051, STM32C071, STM32C091, and STM32C092.

Added board targets stm32c0116-dk and stm32c0316-dk, further resolving issue #19210, and nucleo-c071rb (https://www.st.com/en/evaluation-tools/nucleo-c071rb.html).

General reference issue #19264

[benpicco]

Very nice! Can you please split up the commit into one for the CPU changes, one for each new board and then another one for the Makefile.ci updates?

Thank you!

[jparker324]

Very nice! Can you please split up the commit into one for the CPU changes, one for each new board and then another one for the Makefile.ci updates?

Thank you!

@benpicco updated commits :+1:

[kfessel]

formal: <area of work>: is missing for title and commits just saw @benpicco already said that and provided possible titles

https://github.com/RIOT-OS/RIOT/blob/master/CONTRIBUTING.md#commit-conventions

[crasbe]

I ~~accidentally~~ intentionally bought a Nucleo-C071RB last week, so I can give this a test.

Unfortunately it does not compile for me:

RIOT/tests/periph/adc$ BOARD=nucleo-c071rb make hexfile -j12
Traceback (most recent call last):
  File "/home/cbuec/riot-stm32c0/RIOT/cpu/stm32/dist/irqs/gen_vectors.py", line 147, in <module>
    main(PARSER.parse_args())
  File "/home/cbuec/riot-stm32c0/RIOT/cpu/stm32/dist/irqs/gen_vectors.py", line 138, in main
    context = parse_cmsis(args.cmsis_dir, args.cpu_line)
  File "/home/cbuec/riot-stm32c0/RIOT/cpu/stm32/dist/irqs/gen_vectors.py", line 63, in parse_cmsis
    with open(cpu_line_cmsis, 'rb') as cmsis:
FileNotFoundError: [Errno 2] No such file or directory: '/home/cbuec/riot-stm32c0/RIOT/build/stm32/cmsis/c0/Include/stm32c071xx.h'
make: *** [/home/cbuec/riot-stm32c0/RIOT/cpu/stm32/Makefile.include:109: /home/cbuec/riot-stm32c0/RIOT/cpu/stm32/vectors/STM32C071xx.c] Error 1
make: *** Waiting for unfinished jobs....

The cause of this is that an old CMSIS version is loaded. Fron the RIOT/build/stm32/cmsis/c0/Release_Notes.html

The support for the C071 was only added in Version 1.2.0: https://github.com/STMicroelectronics/cmsis-device-c0/commits/main/Include/stm32c071xx.h

These lines have to be updated: https://github.com/RIOT-OS/RIOT/blob/26e46ae0396437e0b2978b90ee7024e856bdf3a6/cpu/stm32/Makefile.cmsis#L6-L7

# v1.3.0
PKG_VERSION_c0=517611273f835ffe95318947647bc1408f69120d

With that change, the tests/periph/adc test compiles and runs on the C071RB Nucleo.

[crasbe]

@jparker324 are you still interested in getting this merged? I think it only requires small changes (like a rebase after #21135 to reflect the new examples folder structure).

[crasbe]

Closed as this is replaced by https://github.com/RIOT-OS/RIOT/pull/21775 and https://github.com/RIOT-OS/RIOT/pull/21776.