boards/weact-g030f6: add support for minimal break-out board#20337
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benpicco merged 4 commits intoRIOT-OS:masterfrom Feb 5, 2024
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boards/weact-g030f6: add support for minimal break-out board#20337benpicco merged 4 commits intoRIOT-OS:masterfrom
benpicco merged 4 commits intoRIOT-OS:masterfrom
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Contribution description
This adds support for a cheap little board based on STM32G030F6.
It is pretty straightforward, except that there is no RTT. This uncovered a bug in
stm32g0316-discowhich I based this on where the board would not setTIMER_0_MAX_VALUEfor the 16 bit timer, leading to way too early timeouts withztimer_msec.Since it's just a single line, I added the fix to this PR.
I also noticed that
periph_rtcwas not supported for this CPU family yet, so I added the required definitions.I also noticed that I sometimes have trouble flashing the device with a DAP-Link Programmer with
I then have to hold the reset button and release it once OpenOCD starts probing the CPU - I have NRST connected, so maybe my debugger is just not using it.
Testing procedure
RTC works with alarm:
I am a bit wondering if the alarm is working on STM32G4 as I would expect that it should select the same code path as STM32G0 (and STM32L5).
With the default the alarm would not get cleared and keep triggering.
Issues/PRs references