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BH1750 dynamically calculate options (#3214)

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* BH1750 dynamically calculate options

* Fix tests

* Fix NAN

* Convert setup to new-style

* Add myself as codeowner
This commit is contained in:
Otto Winter
2022-02-19 15:49:20 +01:00
committed by GitHub
parent debcaf6fb7
commit 5811389891
5 changed files with 142 additions and 96 deletions
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esphome/components/bh1750/bh1750.h
+6 -21
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@@ -7,29 +7,15 @@
namespace esphome {
namespace bh1750 {
/// Enum listing all resolutions that can be used with the BH1750
enum BH1750Resolution {
BH1750_RESOLUTION_4P0_LX = 0b00100011, // one-time low resolution mode
BH1750_RESOLUTION_1P0_LX = 0b00100000, // one-time high resolution mode 1
BH1750_RESOLUTION_0P5_LX = 0b00100001, // one-time high resolution mode 2
enum BH1750Mode {
BH1750_MODE_L,
BH1750_MODE_H,
BH1750_MODE_H2,
};
/// This class implements support for the i2c-based BH1750 ambient light sensor.
class BH1750Sensor : public sensor::Sensor, public PollingComponent, public i2c::I2CDevice {
public:
/** Set the resolution of this sensor.
*
* Possible values are:
*
* - `BH1750_RESOLUTION_4P0_LX`
* - `BH1750_RESOLUTION_1P0_LX`
* - `BH1750_RESOLUTION_0P5_LX` (default)
*
* @param resolution The new resolution of the sensor.
*/
void set_resolution(BH1750Resolution resolution);
void set_measurement_duration(uint8_t measurement_duration) { measurement_duration_ = measurement_duration; }
// ========== INTERNAL METHODS ==========
// (In most use cases you won't need these)
void setup() override;
@@ -38,10 +24,9 @@ class BH1750Sensor : public sensor::Sensor, public PollingComponent, public i2c:
float get_setup_priority() const override;
protected:
void read_data_();
void read_lx_(BH1750Mode mode, uint8_t mtreg, const std::function<void(float)> &f);
BH1750Resolution resolution_{BH1750_RESOLUTION_0P5_LX};
uint8_t measurement_duration_;
uint8_t active_mtreg_{0};
};
} // namespace bh1750