drivers: add a common driver for ADS1X1X#21693
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baptleduc wants to merge 205 commits intoRIOT-OS:masterfrom
Closed
drivers: add a common driver for ADS1X1X#21693baptleduc wants to merge 205 commits intoRIOT-OS:masterfrom
baptleduc wants to merge 205 commits intoRIOT-OS:masterfrom
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Co-authored-by: benpicco <[email protected]>
Co-authored-by: namberino <[email protected]>
fixup! tests/net/ieee802154_submac: add ESP32x IEEE 802.15.4 suppport
To be able to control whether `default_CSPNRG` is used or not during compilation, `define_RNG_default` is defined conditionally. This is needed for example to compile BLE for ESP32-H2.
baptleduc
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I think a rebase went wrong here 👀 |
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Contribution description
While attempting to create a driver for my ADS1115 (this PR), I realized that a driver already exists here. However, the existing driver does not fully support the ADS111x family (datasheet here), which differs from the ADS101x series (datasheet here in several aspects such as bit resolution and maximum sample rate (see page 3 of the datasheet).
I have therefore implemented a common driver for the ADS1x1x family, better documented and inspired by the existing ADS101x driver. This unified driver supports both ADS101x and ADS111x variants, handling their differences internally.
Testing procedure
I adapted the existing test
tests/drivers/ads101xto create `tests/drivers/ads111x and compared the outputs to ensure identical behavior and no regressions.It may be worth adding a helper function to verify the configuration register after each write, to ensure it contains the expected value.
Open questions
Element.io, @Enoch247 pointed out that my current family-selection system is exclusive, which prevents supporting a case where both an ADS101x and an ADS111x driver are used in the same application. How should this be handled?i2c_read_regsandi2c_write_regsevery time?I2C_NODEVandI2C_NOI2C, so I am not sure I have used them correctly throughout the driver.Issues/PRs references
Follow-up from PR
See the original issue : #21612