esphome/esphome/components/tcs34725/tcs34725.h
razorback16 534ce11d54
TCS34725 BugFix and GA factor (#2445)
- Fixed endianness bug on tcs34725 data read
- Fixed lux adjustments based on gain, integration time and GA factor
- Added glass attenuation factor to allow using this sensor behind
  semi transparent glass

Co-authored-by: Razorback16 <razorback16@users.noreply.github.com>
2021-10-13 18:45:41 +02:00

78 lines
2.7 KiB
C++

#pragma once
#include "esphome/core/component.h"
#include "esphome/components/sensor/sensor.h"
#include "esphome/components/i2c/i2c.h"
namespace esphome {
namespace tcs34725 {
enum TCS34725IntegrationTime {
TCS34725_INTEGRATION_TIME_2_4MS = 0xFF,
TCS34725_INTEGRATION_TIME_24MS = 0xF6,
TCS34725_INTEGRATION_TIME_50MS = 0xEB,
TCS34725_INTEGRATION_TIME_101MS = 0xD5,
TCS34725_INTEGRATION_TIME_120MS = 0xCE,
TCS34725_INTEGRATION_TIME_154MS = 0xC0,
TCS34725_INTEGRATION_TIME_180MS = 0xB5,
TCS34725_INTEGRATION_TIME_199MS = 0xAD,
TCS34725_INTEGRATION_TIME_240MS = 0x9C,
TCS34725_INTEGRATION_TIME_300MS = 0x83,
TCS34725_INTEGRATION_TIME_360MS = 0x6A,
TCS34725_INTEGRATION_TIME_401MS = 0x59,
TCS34725_INTEGRATION_TIME_420MS = 0x51,
TCS34725_INTEGRATION_TIME_480MS = 0x38,
TCS34725_INTEGRATION_TIME_499MS = 0x30,
TCS34725_INTEGRATION_TIME_540MS = 0x1F,
TCS34725_INTEGRATION_TIME_600MS = 0x06,
TCS34725_INTEGRATION_TIME_614MS = 0x00,
};
enum TCS34725Gain {
TCS34725_GAIN_1X = 0x00,
TCS34725_GAIN_4X = 0x01,
TCS34725_GAIN_16X = 0x02,
TCS34725_GAIN_60X = 0x03,
};
class TCS34725Component : public PollingComponent, public i2c::I2CDevice {
public:
void set_integration_time(TCS34725IntegrationTime integration_time);
void set_gain(TCS34725Gain gain);
void set_glass_attenuation_factor(float ga);
void set_clear_sensor(sensor::Sensor *clear_sensor) { clear_sensor_ = clear_sensor; }
void set_red_sensor(sensor::Sensor *red_sensor) { red_sensor_ = red_sensor; }
void set_green_sensor(sensor::Sensor *green_sensor) { green_sensor_ = green_sensor; }
void set_blue_sensor(sensor::Sensor *blue_sensor) { blue_sensor_ = blue_sensor; }
void set_illuminance_sensor(sensor::Sensor *illuminance_sensor) { illuminance_sensor_ = illuminance_sensor; }
void set_color_temperature_sensor(sensor::Sensor *color_temperature_sensor) {
color_temperature_sensor_ = color_temperature_sensor;
}
void setup() override;
float get_setup_priority() const override;
void update() override;
void dump_config() override;
protected:
sensor::Sensor *clear_sensor_{nullptr};
sensor::Sensor *red_sensor_{nullptr};
sensor::Sensor *green_sensor_{nullptr};
sensor::Sensor *blue_sensor_{nullptr};
sensor::Sensor *illuminance_sensor_{nullptr};
sensor::Sensor *color_temperature_sensor_{nullptr};
float integration_time_{2.4};
float gain_{1.0};
float glass_attenuation_{1.0};
float illuminance_;
float color_temperature_;
private:
void calculate_temperature_and_lux_(uint16_t r, uint16_t g, uint16_t b, uint16_t c);
uint8_t integration_reg_{TCS34725_INTEGRATION_TIME_2_4MS};
uint8_t gain_reg_{TCS34725_GAIN_1X};
};
} // namespace tcs34725
} // namespace esphome