cpu/sam0_common/periph_adc: add work around for errata 2.1.6 [backport 2024.10]#21001
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maribu merged 1 commit intoRIOT-OS:2024.10-branchfrom Nov 19, 2024
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This adds a delay between enabling the ADC and starting to sample on the SAMD5x MCUs when the internal bandgap reference is used. Co-authored-by: Dylan Laduranty <[email protected]> (cherry picked from commit a89c924)
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Backport of #20994
Contribution description
This adds a delay between enabling the ADC and starting to sample on the SAMD5x MCUs when the internal bandgap reference is used.
Testing procedure
Before,
adc_sample()on one of the SAMD5x MCUs I have at hands got stuck when the internal bandgap reference was used by never leaving this loop:Now, it works also on the "special" MCU that got stuck before:
Issues/PRs references
None