[riot-notifications] [RIOT-OS/RIOT] drivers/opt3001: Initial support for the Opt3001 sensor (#12260)
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Tue Sep 17 11:41:13 CEST 2019
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### Contribution description
The TI OPT3001 (Ambient Light Sensor) measures the intensity of visible light with a spectral response comparable to the human eye, with simultaneous rejection of infrared light. The conversion time, mode of conversion and the interrupt reporting mechanism mode can be set by the sensor initialization. After initialization the raw sensor values can be read and converted to lux.
The calculation for the ambient light is wrapped from TI OPT3001 Ambient Light Sensor (ALS) datasheet (Rev. C): [http://www.ti.com/lit/ds/symlink/opt3001.pdf](url)
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
The driver was tested using the CC2650-launchpad and CC2650stk boards. A Test was written under `tests/driver_opt3001`.
There are several options to configure the I2C-address. The default address is 0x44 and is obtained by connecting the ADDR Pin to GND. The address is set in `opt3001.h` in line 61:
`#define OPT3001_I2C_ADDRESS (0x44)`
There are also two options to set the conversion time to 100 ms or 800 ms. The time is set in `opt3001.h` in line 79:
`#define OPT3001_CONVERSION_TIME OPT3001_CONVERSION_TIME_800_MS`
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
Examples: Fixes #1234. See also #5678. Depends on PR #9876.
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-- Commit Summary --
* driver/opt3001: Initial support
* driver/opt3001: Saul implementation
* driver: Correct Makefile.dep
* driver/opt3001: Add doc
-- File Changes --
M drivers/Makefile.dep (5)
M drivers/Makefile.include (4)
A drivers/include/opt3001.h (187)
A drivers/opt3001/Makefile (3)
A drivers/opt3001/include/opt3001_params.h (73)
A drivers/opt3001/include/opt3001_regs.h (97)
A drivers/opt3001/opt3001.c (194)
A drivers/opt3001/opt3001_saul.c (48)
M sys/auto_init/auto_init.c (4)
A sys/auto_init/saul/auto_init_opt3001.c (76)
A tests/driver_opt3001/Makefile (6)
A tests/driver_opt3001/README.md (0)
A tests/driver_opt3001/main.c (71)
-- Patch Links --
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