[riot-notifications] [RIOT-OS/RIOT] drivers/ds75lx: add basic driver for temperature sensor (#11505)

Alexandre Abadie notifications at github.com
Thu May 9 16:46:29 CEST 2019

The RIOT community cares a lot about code quality.
Therefore, before describing what your contribution is about, we would like
you to make sure that your modifications are compliant with the RIOT
coding conventions, see https://github.com/RIOT-OS/RIOT/wiki/Coding-conventions.

### Contribution description

This PR adds a basic driver for the [Maxim DS75LX](https://datasheets.maximintegrated.com/en/ds/DS75LX.pdf) temperature sensor.

For the moment, this is very basic: interrupt and comparator modes are not implemented. There is no SAUL either but this can be added later if needed.

This sensor is available on the IM880b LoRa board provided in #11315.

CC'ing @parksprojets who might be interested as well.

Put here the description of your contribution:
- describe which part(s) of RIOT is (are) involved
- if it's a bug fix, describe the bug that it solves and how it is solved
- you can also give more information to reviewers about how to test your changes

### Testing procedure

Build and flash `tests/driver_ds75lx` application and verify that the temperature are correct.

Details steps to test your contribution:
- which test/example to compile for which board and is there a 'test' command
- how to know that it was not working/available in master
- the expected success test output

### Issues/PRs references

Can be used with #11315 

Examples: Fixes #1234. See also #5678. Depends on PR #9876.

Please use keywords (e.g., fixes, resolve) with the links to the issues you
resolved, this way they will be automatically closed when your pull request
is merged. See https://help.github.com/articles/closing-issues-using-keywords/.

You can view, comment on, or merge this pull request online at:


-- Commit Summary --

  * drivers/ds75lx: add basic driver
  * tests/driver_ds75lx: add test application

-- File Changes --

    M drivers/Makefile.dep (4)
    M drivers/Makefile.include (4)
    A drivers/ds75lx/Makefile (1)
    A drivers/ds75lx/ds75lx.c (176)
    A drivers/ds75lx/include/ds75lx_internals.h (62)
    A drivers/ds75lx/include/ds75lx_params.h (65)
    A drivers/include/ds75lx.h (112)
    A tests/driver_ds75lx/Makefile (6)
    A tests/driver_ds75lx/README.md (6)
    A tests/driver_ds75lx/main.c (66)

-- Patch Links --


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