APDS9306 Ambient Light Sensor (#6709)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
Co-authored-by: Keith Burzinski <kbx81x@gmail.com>
Co-authored-by: Mat931 <49403702+Mat931@users.noreply.github.com>
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Aodren Auffrédou-Heinicke 2024-07-21 22:29:54 -07:00 committed by GitHub
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@ -37,6 +37,7 @@ esphome/components/am43/sensor/* @buxtronix
esphome/components/analog_threshold/* @ianchi
esphome/components/animation/* @syndlex
esphome/components/anova/* @buxtronix
esphome/components/apds9306/* @aodrenah
esphome/components/api/* @OttoWinter
esphome/components/as5600/* @ammmze
esphome/components/as5600/sensor/* @ammmze

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# Based on this datasheet:
# https://www.mouser.ca/datasheet/2/678/AVGO_S_A0002854364_1-2574547.pdf
CODEOWNERS = ["@aodrenah"]

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// Based on this datasheet:
// https://www.mouser.ca/datasheet/2/678/AVGO_S_A0002854364_1-2574547.pdf
#include "apds9306.h"
#include "esphome/core/helpers.h"
#include "esphome/core/log.h"
namespace esphome {
namespace apds9306 {
static const char *const TAG = "apds9306";
enum { // APDS9306 registers
APDS9306_MAIN_CTRL = 0x00,
APDS9306_ALS_MEAS_RATE = 0x04,
APDS9306_ALS_GAIN = 0x05,
APDS9306_PART_ID = 0x06,
APDS9306_MAIN_STATUS = 0x07,
APDS9306_CLEAR_DATA_0 = 0x0A, // LSB
APDS9306_CLEAR_DATA_1 = 0x0B,
APDS9306_CLEAR_DATA_2 = 0x0C, // MSB
APDS9306_ALS_DATA_0 = 0x0D, // LSB
APDS9306_ALS_DATA_1 = 0x0E,
APDS9306_ALS_DATA_2 = 0x0F, // MSB
APDS9306_INT_CFG = 0x19,
APDS9306_INT_PERSISTENCE = 0x1A,
APDS9306_ALS_THRES_UP_0 = 0x21, // LSB
APDS9306_ALS_THRES_UP_1 = 0x22,
APDS9306_ALS_THRES_UP_2 = 0x23, // MSB
APDS9306_ALS_THRES_LOW_0 = 0x24, // LSB
APDS9306_ALS_THRES_LOW_1 = 0x25,
APDS9306_ALS_THRES_LOW_2 = 0x26, // MSB
APDS9306_ALS_THRES_VAR = 0x27
};
#define APDS9306_ERROR_CHECK(func, error) \
if (!(func)) { \
ESP_LOGE(TAG, error); \
this->mark_failed(); \
return; \
}
#define APDS9306_WARNING_CHECK(func, warning) \
if (!(func)) { \
ESP_LOGW(TAG, warning); \
this->status_set_warning(); \
return; \
}
#define APDS9306_WRITE_BYTE(reg, value) \
ESP_LOGV(TAG, "Writing 0x%02x to 0x%02x", value, reg); \
if (!this->write_byte(reg, value)) { \
ESP_LOGE(TAG, "Failed writing 0x%02x to 0x%02x", value, reg); \
this->mark_failed(); \
return; \
}
void APDS9306::setup() {
ESP_LOGCONFIG(TAG, "Setting up APDS9306...");
uint8_t id;
if (!this->read_byte(APDS9306_PART_ID, &id)) { // Part ID register
this->error_code_ = COMMUNICATION_FAILED;
this->mark_failed();
return;
}
if (id != 0xB1 && id != 0xB3) { // 0xB1 for APDS9306 0xB3 for APDS9306-065
this->error_code_ = WRONG_ID;
this->mark_failed();
return;
}
// ALS resolution and measurement, see datasheet or init.py for options
uint8_t als_meas_rate = ((this->bit_width_ & 0x07) << 4) | (this->measurement_rate_ & 0x07);
APDS9306_WRITE_BYTE(APDS9306_ALS_MEAS_RATE, als_meas_rate);
// ALS gain, see datasheet or init.py for options
uint8_t als_gain = (this->gain_ & 0x07);
APDS9306_WRITE_BYTE(APDS9306_ALS_GAIN, als_gain);
// Set to standby mode
APDS9306_WRITE_BYTE(APDS9306_MAIN_CTRL, 0x00);
// Check for data, clear main status
uint8_t status;
APDS9306_WARNING_CHECK(this->read_byte(APDS9306_MAIN_STATUS, &status), "Reading MAIN STATUS failed.");
// Set to active mode
APDS9306_WRITE_BYTE(APDS9306_MAIN_CTRL, 0x02);
ESP_LOGCONFIG(TAG, "APDS9306 setup complete");
}
void APDS9306::dump_config() {
LOG_SENSOR("", "APDS9306", this);
LOG_I2C_DEVICE(this);
if (this->is_failed()) {
switch (this->error_code_) {
case COMMUNICATION_FAILED:
ESP_LOGE(TAG, "Communication with APDS9306 failed!");
break;
case WRONG_ID:
ESP_LOGE(TAG, "APDS9306 has invalid id!");
break;
default:
ESP_LOGE(TAG, "Setting up APDS9306 registers failed!");
break;
}
}
ESP_LOGCONFIG(TAG, " Gain: %u", AMBIENT_LIGHT_GAIN_VALUES[this->gain_]);
ESP_LOGCONFIG(TAG, " Measurement rate: %u", MEASUREMENT_RATE_VALUES[this->measurement_rate_]);
ESP_LOGCONFIG(TAG, " Measurement Resolution/Bit width: %d", MEASUREMENT_BIT_WIDTH_VALUES[this->bit_width_]);
LOG_UPDATE_INTERVAL(this);
}
void APDS9306::update() {
// Check for new data
uint8_t status;
APDS9306_WARNING_CHECK(this->read_byte(APDS9306_MAIN_STATUS, &status), "Reading MAIN STATUS failed.");
this->status_clear_warning();
if (!(status &= 0b00001000)) { // No new data
return;
}
// Set to standby mode
APDS9306_WRITE_BYTE(APDS9306_MAIN_CTRL, 0x00);
// Clear MAIN STATUS
APDS9306_WARNING_CHECK(this->read_byte(APDS9306_MAIN_STATUS, &status), "Reading MAIN STATUS failed.");
uint8_t als_data[3];
APDS9306_WARNING_CHECK(this->read_bytes(APDS9306_ALS_DATA_0, als_data, 3), "Reading ALS data has failed.");
// Set to active mode
APDS9306_WRITE_BYTE(APDS9306_MAIN_CTRL, 0x02);
uint32_t light_level = 0x00 | encode_uint24(als_data[2], als_data[1], als_data[0]);
float lux = ((float) light_level / AMBIENT_LIGHT_GAIN_VALUES[this->gain_]) *
(100.0f / MEASUREMENT_RATE_VALUES[this->measurement_rate_]);
ESP_LOGD(TAG, "Got illuminance=%.1flx from", lux);
this->publish_state(lux);
}
} // namespace apds9306
} // namespace esphome

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// Based on this datasheet:
// https://www.mouser.ca/datasheet/2/678/AVGO_S_A0002854364_1-2574547.pdf
#pragma once
#include "esphome/components/i2c/i2c.h"
#include "esphome/components/sensor/sensor.h"
#include "esphome/core/component.h"
namespace esphome {
namespace apds9306 {
enum MeasurementBitWidth : uint8_t {
MEASUREMENT_BIT_WIDTH_20 = 0,
MEASUREMENT_BIT_WIDTH_19 = 1,
MEASUREMENT_BIT_WIDTH_18 = 2,
MEASUREMENT_BIT_WIDTH_17 = 3,
MEASUREMENT_BIT_WIDTH_16 = 4,
MEASUREMENT_BIT_WIDTH_13 = 5,
};
static const uint8_t MEASUREMENT_BIT_WIDTH_VALUES[] = {20, 19, 18, 17, 16, 13};
enum MeasurementRate : uint8_t {
MEASUREMENT_RATE_25 = 0,
MEASUREMENT_RATE_50 = 1,
MEASUREMENT_RATE_100 = 2,
MEASUREMENT_RATE_200 = 3,
MEASUREMENT_RATE_500 = 4,
MEASUREMENT_RATE_1000 = 5,
MEASUREMENT_RATE_2000 = 6,
};
static const uint16_t MEASUREMENT_RATE_VALUES[] = {25, 50, 100, 200, 500, 1000, 2000};
enum AmbientLightGain : uint8_t {
AMBIENT_LIGHT_GAIN_1 = 0,
AMBIENT_LIGHT_GAIN_3 = 1,
AMBIENT_LIGHT_GAIN_6 = 2,
AMBIENT_LIGHT_GAIN_9 = 3,
AMBIENT_LIGHT_GAIN_18 = 4,
};
static const uint8_t AMBIENT_LIGHT_GAIN_VALUES[] = {1, 3, 6, 9, 18};
class APDS9306 : public sensor::Sensor, public PollingComponent, public i2c::I2CDevice {
public:
void setup() override;
float get_setup_priority() const override { return setup_priority::BUS; }
void dump_config() override;
void update() override;
void set_bit_width(MeasurementBitWidth bit_width) { this->bit_width_ = bit_width; }
void set_measurement_rate(MeasurementRate measurement_rate) { this->measurement_rate_ = measurement_rate; }
void set_ambient_light_gain(AmbientLightGain gain) { this->gain_ = gain; }
protected:
enum ErrorCode {
NONE = 0,
COMMUNICATION_FAILED,
WRONG_ID,
} error_code_{NONE};
MeasurementBitWidth bit_width_;
MeasurementRate measurement_rate_;
AmbientLightGain gain_;
};
} // namespace apds9306
} // namespace esphome

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# Based on this datasheet:
# https://www.mouser.ca/datasheet/2/678/AVGO_S_A0002854364_1-2574547.pdf
import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import i2c, sensor
from esphome.const import (
CONF_GAIN,
DEVICE_CLASS_ILLUMINANCE,
ICON_LIGHTBULB,
STATE_CLASS_MEASUREMENT,
UNIT_LUX,
)
DEPENDENCIES = ["i2c"]
CONF_APDS9306_ID = "apds9306_id"
CONF_BIT_WIDTH = "bit_width"
CONF_MEASUREMENT_RATE = "measurement_rate"
apds9306_ns = cg.esphome_ns.namespace("apds9306")
APDS9306 = apds9306_ns.class_(
"APDS9306", sensor.Sensor, cg.PollingComponent, i2c.I2CDevice
)
MeasurementBitWidth = apds9306_ns.enum("MeasurementBitWidth")
MeasurementRate = apds9306_ns.enum("MeasurementRate")
AmbientLightGain = apds9306_ns.enum("AmbientLightGain")
MEASUREMENT_BIT_WIDTHS = {
20: MeasurementBitWidth.MEASUREMENT_BIT_WIDTH_20,
19: MeasurementBitWidth.MEASUREMENT_BIT_WIDTH_19,
18: MeasurementBitWidth.MEASUREMENT_BIT_WIDTH_18,
17: MeasurementBitWidth.MEASUREMENT_BIT_WIDTH_17,
16: MeasurementBitWidth.MEASUREMENT_BIT_WIDTH_16,
13: MeasurementBitWidth.MEASUREMENT_BIT_WIDTH_13,
}
MEASUREMENT_RATES = {
25: MeasurementRate.MEASUREMENT_RATE_25,
50: MeasurementRate.MEASUREMENT_RATE_50,
100: MeasurementRate.MEASUREMENT_RATE_100,
200: MeasurementRate.MEASUREMENT_RATE_200,
500: MeasurementRate.MEASUREMENT_RATE_500,
1000: MeasurementRate.MEASUREMENT_RATE_1000,
2000: MeasurementRate.MEASUREMENT_RATE_2000,
}
AMBIENT_LIGHT_GAINS = {
1: AmbientLightGain.AMBIENT_LIGHT_GAIN_1,
3: AmbientLightGain.AMBIENT_LIGHT_GAIN_3,
6: AmbientLightGain.AMBIENT_LIGHT_GAIN_6,
9: AmbientLightGain.AMBIENT_LIGHT_GAIN_9,
18: AmbientLightGain.AMBIENT_LIGHT_GAIN_18,
}
def _validate_measurement_rate(value):
value = cv.positive_time_period_milliseconds(value)
return cv.enum(MEASUREMENT_RATES, int=True)(value.total_milliseconds)
CONFIG_SCHEMA = (
sensor.sensor_schema(
APDS9306,
unit_of_measurement=UNIT_LUX,
accuracy_decimals=1,
device_class=DEVICE_CLASS_ILLUMINANCE,
state_class=STATE_CLASS_MEASUREMENT,
icon=ICON_LIGHTBULB,
)
.extend(
{
cv.Optional(CONF_GAIN, default="1"): cv.enum(AMBIENT_LIGHT_GAINS, int=True),
cv.Optional(CONF_BIT_WIDTH, default="18"): cv.enum(
MEASUREMENT_BIT_WIDTHS, int=True
),
cv.Optional(
CONF_MEASUREMENT_RATE, default="100ms"
): _validate_measurement_rate,
}
)
.extend(cv.polling_component_schema("60s"))
.extend(i2c.i2c_device_schema(0x52))
)
async def to_code(config):
var = await sensor.new_sensor(config)
await cg.register_component(var, config)
await i2c.register_i2c_device(var, config)
cg.add(var.set_bit_width(config[CONF_BIT_WIDTH]))
cg.add(var.set_measurement_rate(config[CONF_MEASUREMENT_RATE]))
cg.add(var.set_ambient_light_gain(config[CONF_GAIN]))

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i2c:
- id: i2c_apds9306
scl: ${scl_pin}
sda: ${sda_pin}
sensor:
- platform: apds9306
name: "APDS9306 Light Level"
gain: 3
bit_width: 16
measurement_rate: 2000ms
update_interval: 60s

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substitutions:
scl_pin: GPIO22
sda_pin: GPIO21
<<: !include common.yaml

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substitutions:
scl_pin: GPIO5
sda_pin: GPIO4
<<: !include common.yaml

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@ -0,0 +1,5 @@
substitutions:
scl_pin: GPIO5
sda_pin: GPIO4
<<: !include common.yaml

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@ -0,0 +1,5 @@
substitutions:
scl_pin: GPIO22
sda_pin: GPIO21
<<: !include common.yaml

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@ -0,0 +1,5 @@
substitutions:
scl_pin: GPIO5
sda_pin: GPIO4
<<: !include common.yaml

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substitutions:
scl_pin: GPIO5
sda_pin: GPIO4
<<: !include common.yaml