mirror of
https://github.com/esphome/esphome.git
synced 2024-12-04 04:28:19 +01:00
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
#pragma once
|
|
|
|
#include "esphome/core/component.h"
|
|
#include "esphome/components/sensor/sensor.h"
|
|
#include "esphome/components/i2c/i2c.h"
|
|
|
|
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
|
|
};
|
|
|
|
/// 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;
|
|
void dump_config() override;
|
|
void update() override;
|
|
float get_setup_priority() const override;
|
|
|
|
protected:
|
|
void read_data_();
|
|
|
|
BH1750Resolution resolution_{BH1750_RESOLUTION_0P5_LX};
|
|
uint8_t measurement_duration_;
|
|
};
|
|
|
|
} // namespace bh1750
|
|
} // namespace esphome
|