cpu/stm32/periph: Add GPIO LL IRQ support for STM32F1 by maribu · Pull Request #19412 · RIOT-OS/RIOT

maribu · 2023-03-20T13:16:50Z

Contribution description

As the title says

Testing procedure

make BOARD=nucleo-f103rb flash test-with-config -C tests/periph_gpio_ll

make: Entering directory '/home/maribu/Repos/software/RIOT/tests/periph_gpio_ll'
Building application "tests_periph_gpio_ll" for "nucleo-f103rb" with MCU "stm32".

"make" -C /home/maribu/Repos/software/RIOT/boards/common/init
"make" -C /home/maribu/Repos/software/RIOT/boards/nucleo-f103rb
"make" -C /home/maribu/Repos/software/RIOT/boards/common/nucleo
"make" -C /home/maribu/Repos/software/RIOT/core
"make" -C /home/maribu/Repos/software/RIOT/core/lib
"make" -C /home/maribu/Repos/software/RIOT/cpu/stm32
"make" -C /home/maribu/Repos/software/RIOT/cpu/cortexm_common
"make" -C /home/maribu/Repos/software/RIOT/cpu/cortexm_common/periph
"make" -C /home/maribu/Repos/software/RIOT/cpu/stm32/periph
"make" -C /home/maribu/Repos/software/RIOT/cpu/stm32/stmclk
"make" -C /home/maribu/Repos/software/RIOT/cpu/stm32/vectors
"make" -C /home/maribu/Repos/software/RIOT/drivers
"make" -C /home/maribu/Repos/software/RIOT/drivers/periph_common
"make" -C /home/maribu/Repos/software/RIOT/sys
"make" -C /home/maribu/Repos/software/RIOT/sys/auto_init
"make" -C /home/maribu/Repos/software/RIOT/sys/div
"make" -C /home/maribu/Repos/software/RIOT/sys/frac
"make" -C /home/maribu/Repos/software/RIOT/sys/isrpipe
"make" -C /home/maribu/Repos/software/RIOT/sys/libc
"make" -C /home/maribu/Repos/software/RIOT/sys/malloc_thread_safe
"make" -C /home/maribu/Repos/software/RIOT/sys/newlib_syscalls_default
"make" -C /home/maribu/Repos/software/RIOT/sys/pm_layered
"make" -C /home/maribu/Repos/software/RIOT/sys/preprocessor
"make" -C /home/maribu/Repos/software/RIOT/sys/stdio_uart
"make" -C /home/maribu/Repos/software/RIOT/sys/test_utils/interactive_sync
"make" -C /home/maribu/Repos/software/RIOT/sys/test_utils/print_stack_usage
"make" -C /home/maribu/Repos/software/RIOT/sys/tsrb
"make" -C /home/maribu/Repos/software/RIOT/sys/ztimer
   text	  data	   bss	   dec	   hex	filename
  20760	   176	  2728	 23664	  5c70	/home/maribu/Repos/software/RIOT/tests/periph_gpio_ll/bin/nucleo-f103rb/tests_periph_gpio_ll.elf
/home/maribu/Repos/software/RIOT/dist/tools/openocd/openocd.sh flash /home/maribu/Repos/software/RIOT/tests/periph_gpio_ll/bin/nucleo-f103rb/tests_periph_gpio_ll.elf
### Flashing Target ###
Open On-Chip Debugger 0.12.0+dev-snapshot (2023-03-13-08:56)
Licensed under GNU GPL v2
For bug reports, read
	http://openocd.org/doc/doxygen/bugs.html
DEPRECATED! use 'adapter serial' not 'hla_serial'
hla_swd
Info : The selected transport took over low-level target control. The results might differ compared to plain JTAG/SWD
srst_only separate srst_nogate srst_open_drain connect_assert_srst
Info : clock speed 1000 kHz
Info : STLINK V2J29M18 (API v2) VID:PID 0483:374B
Info : Target voltage: 3.252984
Info : [stm32f1x.cpu] Cortex-M3 r1p1 processor detected
Info : [stm32f1x.cpu] target has 6 breakpoints, 4 watchpoints
Info : starting gdb server for stm32f1x.cpu on 0
Info : Listening on port 32843 for gdb connections
    TargetName         Type       Endian TapName            State       
--  ------------------ ---------- ------ ------------------ ------------
 0* stm32f1x.cpu       hla_target little stm32f1x.cpu       unknown
[stm32f1x.cpu] halted due to debug-request, current mode: Thread 
xPSR: 0x01000000 pc: 0x08001ae4 msp: 0x20000200
Info : device id = 0x20036410
Info : flash size = 128 KiB
Warn : Adding extra erase range, 0x080051c8 .. 0x080053ff
auto erase enabled
wrote 20936 bytes from file /home/maribu/Repos/software/RIOT/tests/periph_gpio_ll/bin/nucleo-f103rb/tests_periph_gpio_ll.elf in 1.192543s (17.144 KiB/s)
verified 20936 bytes in 0.333379s (61.328 KiB/s)
shutdown command invoked
Done flashing
r
/home/maribu/Repos/software/RIOT/dist/tools/pyterm/pyterm -p "/dev/ttyACM1" -b "115200" --no-reconnect --noprefix --no-repeat-command-on-empty-line 
Connect to serial port /dev/ttyACM1
Welcome to pyterm!
Type '/exit' to exit.
READY
s
START
main(): This is RIOT! (Version: 2023.04-devel-685-gd0d5d-cpu/stm32/periph/gpio_ll_irq)
Test / Hardware Details:
========================
Cabling:
(INPUT -- OUTPUT)
  P2.10 (PC10) -- P1.8 (PB8)
  P2.12 (PC12) -- P1.9 (PB9)
Number of pull resistor values supported: 1
Number of drive strengths supported: 1
Number of slew rates supported: 4
Valid GPIO ports:
- PORT 0 (PORT A)
- PORT 1 (PORT B)
- PORT 2 (PORT C)
- PORT 3 (PORT D)
- PORT 4 (PORT E)

Testing gpio_port_pack_addr()
=============================

All OK

Testing gpip_ng_init()
======================

Testing is_gpio_port_num_valid() is true for PORT_OUT and PORT_IN:

Testing input configurations for PIN_IN_0:
Support for input with pull up: yes
state: in, pull: up, schmitt trigger: off, value: on
Support for input with pull down: yes
state: in, pull: down, schmitt trigger: off, value: off
Support for input with pull to bus level: no
Support for floating input (no pull resistors): yes
state: in, pull: none, schmitt trigger: off, value: off

Testing output configurations for PIN_OUT_0:
Support for output (push-pull) with initial value of LOW: yes
state: out-pp, slew: slowest, value: off
Output is indeed LOW: yes
state: out-pp, slew: slowest, value: on
Output can be pushed HIGH: yes
Support for output (push-pull) with initial value of HIGH: yes
state: out-pp, slew: slowest, value: on
Output is indeed HIGH: yes
Support for output (open drain with pull up) with initial value of LOW: no
Support for output (open drain with pull up) with initial value of HIGH: no
Support for output (open drain) with initial value of LOW: yes
state: out-od, slew: slowest, pull: none, schmitt trigger: off, value: off
Output is indeed LOW: yes
Support for output (open drain) with initial value of HIGH: yes
state: out-od, slew: slowest, pull: none, schmitt trigger: off, value: on
state: in, pull: down, schmitt trigger: off, value: off
Output can indeed be pulled LOW: yes
state: in, pull: up, schmitt trigger: off, value: on
Output can indeed be pulled HIGH: yes
Support for output (open source) with initial value of LOW: no
Support for output (open source) with initial value of HIGH: no
Support for output (open source with pull up) with initial value of HIGH: no
Support for output (open source with pull up) with initial value of LOW: no
Support for disconnecting GPIO: yes
Output can indeed be pulled LOW: yes
Output can indeed be pulled HIGH: yes

Testing Reading/Writing GPIO Ports
==================================

testing initial value of 0 after init
...OK
testing setting both outputs_optional simultaneously
...OK
testing clearing both outputs_optional simultaneously
...OK
testing toggling first output (0 --> 1)
...OK
testing toggling first output (1 --> 0)
...OK
testing toggling second output (0 --> 1)
...OK
testing toggling second output (1 --> 0)
...OK
testing setting first output and clearing second with write
...OK
testing setting second output and clearing first with write
...OK
All input/output operations worked as expected

Testing External IRQs
=====================

Testing rising edge on PIN_IN_0
... OK
Testing falling edge on PIN_IN_0
... OK
Testing both edges on PIN_IN_0
... OK
Testing masking of IRQs (still both edges on PIN_IN_0)
... OK
Testing level-triggered on HIGH on PIN_IN_0 (when input is LOW when setting up IRQ)
... OK
Testing level-triggered on HIGH on PIN_IN_0 (when input is HIGH when setting up IRQ)
... OK
Testing level-triggered on LOW on PIN_IN_0 (when input is HIGH when setting up IRQ)
... OK
Testing level-triggered on LOW on PIN_IN_0 (when input is LOW when setting up IRQ)
... OK


TEST SUCCEEDED

Issues/PRs references

Depends on #19407

19407: cpu/stm32/periph: Implement GPIO LL for STM32F1 without IRQ support (yet) r=gschorcht a=maribu ### Contribution description This implements GPIO LL support for the STM32F1 in the first commit. IRQ support is added with #19412. This sneaks in a second commit replacing the `expect()` calls in `tests/periph_gpio_ll` with a trivial five-liner that doesn't `panic()`, so that stdio output will still be delivered on high level stdio implementations. The tests provides a lot of useful output to aid debugging, so its a great usability improvement if the test makes sure to actually deliver that output. ### Testing procedure <details><summary><code>make -C tests/periph_gpio_ll BOARD=nucleo-f103rb flash term</code></summary> ``` 2023-03-17 18:55:09,188 # Help: Press s to start test, r to print it is ready s 2023-03-17 18:55:10,299 # START 2023-03-17 18:55:10,307 # main(): This is RIOT! (Version: 2023.04-devel-683-g9c3812-cpu/stm32/periph/gpio_ll) 2023-03-17 18:55:10,309 # Test / Hardware Details: 2023-03-17 18:55:10,310 # ======================== 2023-03-17 18:55:10,311 # Cabling: 2023-03-17 18:55:10,313 # (INPUT -- OUTPUT) 2023-03-17 18:55:10,315 # P2.10 (PC10) -- P2.2 (PC2) 2023-03-17 18:55:10,318 # P2.12 (PC12) -- P2.3 (PC3) 2023-03-17 18:55:10,322 # Number of pull resistor values supported: 1 2023-03-17 18:55:10,325 # Number of drive strengths supported: 1 2023-03-17 18:55:10,328 # Number of slew rates supported: 3 2023-03-17 18:55:10,330 # Valid GPIO ports: 2023-03-17 18:55:10,332 # - PORT 0 (PORT A) 2023-03-17 18:55:10,333 # - PORT 1 (PORT B) 2023-03-17 18:55:10,335 # - PORT 2 (PORT C) 2023-03-17 18:55:10,336 # - PORT 3 (PORT D) 2023-03-17 18:55:10,338 # - PORT 4 (PORT E) 2023-03-17 18:55:10,338 # 2023-03-17 18:55:10,341 # Testing gpio_port_pack_addr() 2023-03-17 18:55:10,343 # ============================= 2023-03-17 18:55:10,343 # 2023-03-17 18:55:10,344 # All OK 2023-03-17 18:55:10,344 # 2023-03-17 18:55:10,346 # Testing gpip_ng_init() 2023-03-17 18:55:10,348 # ====================== 2023-03-17 18:55:10,348 # 2023-03-17 18:55:10,354 # Testing is_gpio_port_num_valid() is true for PORT_OUT and PORT_IN: 2023-03-17 18:55:10,354 # 2023-03-17 18:55:10,358 # Testing input configurations for PIN_IN_0: 2023-03-17 18:55:10,361 # Support for input with pull up: yes 2023-03-17 18:55:10,366 # state: in, pull: up, schmitt trigger: off, value: on 2023-03-17 18:55:10,369 # Support for input with pull down: yes 2023-03-17 18:55:10,374 # state: in, pull: down, schmitt trigger: off, value: off 2023-03-17 18:55:10,378 # Support for input with pull to bus level: no 2023-03-17 18:55:10,383 # Support for floating input (no pull resistors): yes 2023-03-17 18:55:10,388 # state: in, pull: none, schmitt trigger: off, value: off 2023-03-17 18:55:10,388 # 2023-03-17 18:55:10,392 # Testing output configurations for PIN_OUT_0: 2023-03-17 18:55:10,397 # Support for output (push-pull) with initial value of LOW: yes 2023-03-17 18:55:10,401 # state: out-pp, slew: slowest, value: off 2023-03-17 18:55:10,404 # Output is indeed LOW: yes 2023-03-17 18:55:10,408 # state: out-pp, slew: slowest, value: on 2023-03-17 18:55:10,411 # Output can be pushed HIGH: yes 2023-03-17 18:55:10,417 # Support for output (push-pull) with initial value of HIGH: yes 2023-03-17 18:55:10,420 # state: out-pp, slew: slowest, value: on 2023-03-17 18:55:10,424 # Output is indeed HIGH: yes 2023-03-17 18:55:10,430 # Support for output (open drain with pull up) with initial value of LOW: no 2023-03-17 18:55:10,437 # Support for output (open drain with pull up) with initial value of HIGH: no 2023-03-17 18:55:10,443 # Support for output (open drain) with initial value of LOW: yes 2023-03-17 18:55:10,449 # state: out-od, slew: slowest, pull: none, schmitt trigger: off, value: off 2023-03-17 18:55:10,452 # Output is indeed LOW: yes 2023-03-17 18:55:10,458 # Support for output (open drain) with initial value of HIGH: yes 2023-03-17 18:55:10,465 # state: out-od, slew: slowest, pull: none, schmitt trigger: off, value: on 2023-03-17 18:55:10,470 # state: in, pull: down, schmitt trigger: off, value: off 2023-03-17 18:55:10,474 # Output can indeed be pulled LOW: yes 2023-03-17 18:55:10,478 # state: in, pull: up, schmitt trigger: off, value: on 2023-03-17 18:55:10,483 # Output can indeed be pulled HIGH: yes 2023-03-17 18:55:10,488 # Support for output (open source) with initial value of LOW: no 2023-03-17 18:55:10,494 # Support for output (open source) with initial value of HIGH: no 2023-03-17 18:55:10,501 # Support for output (open source with pull up) with initial value of HIGH: no 2023-03-17 18:55:10,508 # Support for output (open source with pull up) with initial value of LOW: no 2023-03-17 18:55:10,511 # Support for disconnecting GPIO: yes 2023-03-17 18:55:10,515 # Output can indeed be pulled LOW: yes 2023-03-17 18:55:10,519 # Output can indeed be pulled HIGH: yes 2023-03-17 18:55:10,519 # 2023-03-17 18:55:10,523 # Testing Reading/Writing GPIO Ports 2023-03-17 18:55:10,526 # ================================== 2023-03-17 18:55:10,526 # 2023-03-17 18:55:10,529 # testing initial value of 0 after init 2023-03-17 18:55:10,531 # ...OK 2023-03-17 18:55:10,535 # testing setting both outputs_optional simultaneously 2023-03-17 18:55:10,537 # ...OK 2023-03-17 18:55:10,541 # testing clearing both outputs_optional simultaneously 2023-03-17 18:55:10,543 # ...OK 2023-03-17 18:55:10,547 # testing toggling first output (0 --> 1) 2023-03-17 18:55:10,548 # ...OK 2023-03-17 18:55:10,552 # testing toggling first output (1 --> 0) 2023-03-17 18:55:10,553 # ...OK 2023-03-17 18:55:10,557 # testing toggling second output (0 --> 1) 2023-03-17 18:55:10,558 # ...OK 2023-03-17 18:55:10,562 # testing toggling second output (1 --> 0) 2023-03-17 18:55:10,563 # ...OK 2023-03-17 18:55:10,569 # testing setting first output and clearing second with write 2023-03-17 18:55:10,570 # ...OK 2023-03-17 18:55:10,575 # testing setting second output and clearing first with write 2023-03-17 18:55:10,576 # ...OK 2023-03-17 18:55:10,580 # All input/output operations worked as expected 2023-03-17 18:55:10,580 # 2023-03-17 18:55:10,580 # 2023-03-17 18:55:10,582 # TEST SUCCEEDED 2023-03-17 18:55:10,588 # { "threads": [{ "name": "main", "stack_size": 1536, "stack_used": 456 }]} ``` </details> <details><summary><code>make -C tests/bench_periph_gpio_ll BOARD=nucleo-f103rb flash term</code></summary> ``` 2023-03-17 18:55:42,192 # Help: Press s to start test, r to print it is ready s 2023-03-17 18:55:44,616 # START 2023-03-17 18:55:44,624 # main(): This is RIOT! (Version: 2023.04-devel-683-g9c3812-cpu/stm32/periph/gpio_ll) 2023-03-17 18:55:44,624 # 2023-03-17 18:55:44,626 # Benchmarking GPIO APIs 2023-03-17 18:55:44,628 # ====================== 2023-03-17 18:55:44,628 # 2023-03-17 18:55:44,632 # estimating loop overhead for compensation 2023-03-17 18:55:44,635 # ----------------------------------------- 2023-03-17 18:55:44,642 # 4168 us for 50000 iterations 2023-03-17 18:55:44,642 # 2023-03-17 18:55:44,647 # periph/gpio: Using 2x gpio_set() and 2x gpio_clear() 2023-03-17 18:55:44,651 # --------------------------------------------------- 2023-03-17 18:55:44,706 # 50000 iterations took 45840 us (50008 us uncompensated) 2023-03-17 18:55:44,713 # Two square waves pins at 1090750 Hz ( 999840 Hz uncompensated) 2023-03-17 18:55:44,719 # ~66 CPU cycles per square wave period (~72 cycles uncompensated) 2023-03-17 18:55:44,719 # :'-( 2023-03-17 18:55:44,719 # 2023-03-17 18:55:44,724 # periph/gpio_ll: Using gpio_ll_set() and gpio_ll_clear() 2023-03-17 18:55:44,729 # ------------------------------------------------------- 2023-03-17 18:55:44,738 # 50000 iterations took 695 us (4863 us uncompensated) 2023-03-17 18:55:44,745 # Two square waves pins at 71942446 Hz ( 10281719 Hz uncompensated) 2023-03-17 18:55:44,750 # ~1 CPU cycles per square wave period (~7 cycles uncompensated) 2023-03-17 18:55:44,751 # :-D 2023-03-17 18:55:44,751 # 2023-03-17 18:55:44,755 # periph/gpio: Using 4x gpio_toggle() 2023-03-17 18:55:44,757 # ----------------------------------- 2023-03-17 18:55:44,965 # 50000 iterations took 198646 us (202814 us uncompensated) 2023-03-17 18:55:44,972 # Two square waves pins at 251704 Hz ( 246531 Hz uncompensated) 2023-03-17 18:55:44,977 # ~286 CPU cycles per square wave period (~292 cycles uncompensated) 2023-03-17 18:55:44,978 # :'-( 2023-03-17 18:55:44,978 # 2023-03-17 18:55:44,982 # periph/gpio_ll: Using 2x gpio_ll_toggle() 2023-03-17 18:55:44,985 # ----------------------------------------- 2023-03-17 18:55:45,010 # 50000 iterations took 15972 us (20140 us uncompensated) 2023-03-17 18:55:45,017 # Two square waves pins at 3130478 Hz ( 2482621 Hz uncompensated) 2023-03-17 18:55:45,023 # ~23 CPU cycles per square wave period (~29 cycles uncompensated) 2023-03-17 18:55:45,023 # :'-( 2023-03-17 18:55:45,023 # 2023-03-17 18:55:45,026 # periph/gpio: Using 4x gpio_write() 2023-03-17 18:55:45,029 # ---------------------------------- 2023-03-17 18:55:45,097 # 50000 iterations took 58345 us (62513 us uncompensated) 2023-03-17 18:55:45,103 # Two square waves pins at 856971 Hz ( 799833 Hz uncompensated) 2023-03-17 18:55:45,109 # ~84 CPU cycles per square wave period (~90 cycles uncompensated) 2023-03-17 18:55:45,109 # :'-( 2023-03-17 18:55:45,110 # 2023-03-17 18:55:45,113 # periph/gpio_ll: Using 2x gpio_ll_write() 2023-03-17 18:55:45,117 # ---------------------------------------- 2023-03-17 18:55:45,128 # 50000 iterations took 2777 us (6945 us uncompensated) 2023-03-17 18:55:45,135 # Two square waves pins at 18005041 Hz ( 7199424 Hz uncompensated) 2023-03-17 18:55:45,141 # ~4 CPU cycles per square wave period (~10 cycles uncompensated) 2023-03-17 18:55:45,141 # :-) 2023-03-17 18:55:45,141 # 2023-03-17 18:55:45,141 # 2023-03-17 18:55:45,142 # TEST SUCCEEDED 2023-03-17 18:55:45,149 # { "threads": [{ "name": "main", "stack_size": 1536, "stack_used": 448 }]} ``` </details> ### Issues/PRs references None Co-authored-by: Marian Buschsieweke <[email protected]>

riot-ci · 2023-03-21T15:06:51Z

Murdock results

✔️ PASSED

03dfa49 cpu/stm32: Implement GPIO LL IRQ support for STM32F1

Success	Failures	Total	Runtime
6881	0	6882	09m:52s

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gschorcht · 2023-03-21T23:42:01Z

This PR still includes PR #19407. Could you please rebase to have only the changes of this PR in diffs?

gschorcht · 2023-03-21T23:53:23Z

Works as expected.

maribu · 2023-03-22T07:36:49Z

Thanks for taking a look. I rebased on master, now it should work as expected.

gschorcht

Looks good, nice cleanup. Works as expected.

gschorcht · 2023-03-22T08:59:30Z

Please fix the static test. You can squash it directly.

gschorcht · 2023-03-22T13:10:39Z

bors merge

bors · 2023-03-22T15:22:38Z

Build succeeded:

maribu · 2023-03-22T15:24:11Z

Thx :)

19454: cpu/stm32/periph_gpio_ll: Fix misleading comments r=gschorcht a=maribu ### Contribution description The comments still claim STM32F1 support is missing, but this was recently added. Also, drop an empty line to fix `too many consecutive empty lines` nitpick of the CI. ### Testing procedure This since only changes comments, this won't effect the binaries. Technically, those comments would be Doxygen compatible comments. But as only Doxygen comments in headers are parsed, these are in practice regular plain comments. ### Issues/PRs references #19407 added basic GPIO LL support for STM32F1, #19412 added the IRQ support on top of that. Co-authored-by: Marian Buschsieweke <[email protected]>

maribu requested review from DipSwitch, MichelRottleuthner, MrKevinWeiss, aabadie, fjmolinas, jia200x, leandrolanzieri, smlng and vincent-d as code owners March 20, 2023 13:16

github-actions bot added Area: cpu Area: CPU/MCU ports Area: Kconfig Area: Kconfig integration Area: tests Area: tests and testing framework Platform: ARM Platform: This PR/issue effects ARM-based platforms labels Mar 20, 2023

maribu mentioned this pull request Mar 20, 2023

cpu/stm32/periph: Implement GPIO LL for STM32F1 without IRQ support (yet) #19407

Merged

benpicco added the CI: ready for build If set, CI server will compile all applications for all available boards for the labeled PR label Mar 21, 2023

maribu force-pushed the cpu/stm32/periph/gpio_ll_irq branch from d0d5d0d to 0f3a9f8 Compare March 22, 2023 07:36

github-actions bot removed the Area: tests Area: tests and testing framework label Mar 22, 2023

gschorcht approved these changes Mar 22, 2023

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cpu/stm32: Implement GPIO LL IRQ support for STM32F1

03dfa49

maribu force-pushed the cpu/stm32/periph/gpio_ll_irq branch from 0f3a9f8 to 03dfa49 Compare March 22, 2023 09:40

bors bot merged commit 9405bf7 into RIOT-OS:master Mar 22, 2023

maribu deleted the cpu/stm32/periph/gpio_ll_irq branch March 22, 2023 15:24

This was referenced Apr 4, 2023

cpu/stm32: Fix periph_gpio_ll_irq #19446

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cpu/stm32/periph_gpio_ll: Fix misleading comments #19454

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MrKevinWeiss added this to the Release 2023.04 milestone Apr 25, 2023

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cpu/stm32/periph: Add GPIO LL IRQ support for STM32F1#19412

cpu/stm32/periph: Add GPIO LL IRQ support for STM32F1#19412
bors[bot] merged 1 commit intoRIOT-OS:masterfrom
maribu:cpu/stm32/periph/gpio_ll_irq

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riot-ci commented Mar 21, 2023 •

edited

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