mirror of
https://github.com/esphome/esphome.git
synced 2024-11-10 01:07:45 +01:00
Add mlx90614 sensors (#3749)
Co-authored-by: Greg Arnold <greg@arnoldassociates.com> Co-authored-by: notsonominal <130870838+notsonominal@users.noreply.github.com>
This commit is contained in:
parent
c5efaa1c00
commit
ee21a91313
6 changed files with 227 additions and 0 deletions
|
@ -162,6 +162,7 @@ esphome/components/midea/* @dudanov
|
|||
esphome/components/midea_ir/* @dudanov
|
||||
esphome/components/mitsubishi/* @RubyBailey
|
||||
esphome/components/mlx90393/* @functionpointer
|
||||
esphome/components/mlx90614/* @jesserockz
|
||||
esphome/components/mmc5603/* @benhoff
|
||||
esphome/components/modbus_controller/* @martgras
|
||||
esphome/components/modbus_controller/binary_sensor/* @martgras
|
||||
|
|
0
esphome/components/mlx90614/__init__.py
Normal file
0
esphome/components/mlx90614/__init__.py
Normal file
122
esphome/components/mlx90614/mlx90614.cpp
Normal file
122
esphome/components/mlx90614/mlx90614.cpp
Normal file
|
@ -0,0 +1,122 @@
|
|||
#include "mlx90614.h"
|
||||
|
||||
#include "esphome/core/hal.h"
|
||||
#include "esphome/core/log.h"
|
||||
|
||||
namespace esphome {
|
||||
namespace mlx90614 {
|
||||
|
||||
static const uint8_t MLX90614_RAW_IR_1 = 0x04;
|
||||
static const uint8_t MLX90614_RAW_IR_2 = 0x05;
|
||||
static const uint8_t MLX90614_TEMPERATURE_AMBIENT = 0x06;
|
||||
static const uint8_t MLX90614_TEMPERATURE_OBJECT_1 = 0x07;
|
||||
static const uint8_t MLX90614_TEMPERATURE_OBJECT_2 = 0x08;
|
||||
|
||||
static const uint8_t MLX90614_TOMAX = 0x20;
|
||||
static const uint8_t MLX90614_TOMIN = 0x21;
|
||||
static const uint8_t MLX90614_PWMCTRL = 0x22;
|
||||
static const uint8_t MLX90614_TARANGE = 0x23;
|
||||
static const uint8_t MLX90614_EMISSIVITY = 0x24;
|
||||
static const uint8_t MLX90614_CONFIG = 0x25;
|
||||
static const uint8_t MLX90614_ADDR = 0x2E;
|
||||
static const uint8_t MLX90614_ID1 = 0x3C;
|
||||
static const uint8_t MLX90614_ID2 = 0x3D;
|
||||
static const uint8_t MLX90614_ID3 = 0x3E;
|
||||
static const uint8_t MLX90614_ID4 = 0x3F;
|
||||
|
||||
static const char *const TAG = "mlx90614";
|
||||
|
||||
void MLX90614Component::setup() {
|
||||
ESP_LOGCONFIG(TAG, "Setting up MLX90614...");
|
||||
if (!this->write_emissivity_()) {
|
||||
ESP_LOGE(TAG, "Communication with MLX90614 failed!");
|
||||
this->mark_failed();
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
bool MLX90614Component::write_emissivity_() {
|
||||
if (std::isnan(this->emissivity_))
|
||||
return true;
|
||||
uint16_t value = (uint16_t) (this->emissivity_ * 65535);
|
||||
if (!this->write_bytes_(MLX90614_EMISSIVITY, 0)) {
|
||||
return false;
|
||||
}
|
||||
delay(10);
|
||||
if (!this->write_bytes_(MLX90614_EMISSIVITY, value)) {
|
||||
return false;
|
||||
}
|
||||
delay(10);
|
||||
return true;
|
||||
}
|
||||
|
||||
uint8_t MLX90614Component::crc8_pec_(const uint8_t *data, uint8_t len) {
|
||||
uint8_t crc = 0;
|
||||
for (uint8_t i = 0; i < len; i++) {
|
||||
uint8_t in = data[i];
|
||||
for (uint8_t j = 0; j < 8; j++) {
|
||||
bool carry = (crc ^ in) & 0x80;
|
||||
crc <<= 1;
|
||||
if (carry)
|
||||
crc ^= 0x07;
|
||||
in <<= 1;
|
||||
}
|
||||
}
|
||||
return crc;
|
||||
}
|
||||
|
||||
bool MLX90614Component::write_bytes_(uint8_t reg, uint16_t data) {
|
||||
uint8_t buf[5];
|
||||
buf[0] = this->address_ << 1;
|
||||
buf[1] = reg;
|
||||
buf[2] = data & 0xFF;
|
||||
buf[3] = data >> 8;
|
||||
buf[4] = this->crc8_pec_(buf, 4);
|
||||
return this->write_bytes(reg, buf + 2, 3);
|
||||
}
|
||||
|
||||
void MLX90614Component::dump_config() {
|
||||
ESP_LOGCONFIG(TAG, "MLX90614:");
|
||||
LOG_I2C_DEVICE(this);
|
||||
if (this->is_failed()) {
|
||||
ESP_LOGE(TAG, "Communication with MLX90614 failed!");
|
||||
}
|
||||
LOG_UPDATE_INTERVAL(this);
|
||||
LOG_SENSOR(" ", "Ambient", this->ambient_sensor_);
|
||||
LOG_SENSOR(" ", "Object", this->object_sensor_);
|
||||
}
|
||||
|
||||
float MLX90614Component::get_setup_priority() const { return setup_priority::DATA; }
|
||||
|
||||
void MLX90614Component::update() {
|
||||
uint8_t emissivity[3];
|
||||
if (this->read_register(MLX90614_EMISSIVITY, emissivity, 3, false) != i2c::ERROR_OK) {
|
||||
this->status_set_warning();
|
||||
return;
|
||||
}
|
||||
uint8_t raw_object[3];
|
||||
if (this->read_register(MLX90614_TEMPERATURE_OBJECT_1, raw_object, 3, false) != i2c::ERROR_OK) {
|
||||
this->status_set_warning();
|
||||
return;
|
||||
}
|
||||
|
||||
uint8_t raw_ambient[3];
|
||||
if (this->read_register(MLX90614_TEMPERATURE_AMBIENT, raw_ambient, 3, false) != i2c::ERROR_OK) {
|
||||
this->status_set_warning();
|
||||
return;
|
||||
}
|
||||
|
||||
float ambient = raw_ambient[1] & 0x80 ? NAN : encode_uint16(raw_ambient[1], raw_ambient[0]) * 0.02f - 273.15f;
|
||||
float object = raw_object[1] & 0x80 ? NAN : encode_uint16(raw_object[1], raw_object[0]) * 0.02f - 273.15f;
|
||||
|
||||
ESP_LOGD(TAG, "Got Temperature=%.1f°C Ambient=%.1f°C", object, ambient);
|
||||
|
||||
if (this->ambient_sensor_ != nullptr && !std::isnan(ambient))
|
||||
this->ambient_sensor_->publish_state(ambient);
|
||||
if (this->object_sensor_ != nullptr && !std::isnan(object))
|
||||
this->object_sensor_->publish_state(object);
|
||||
this->status_clear_warning();
|
||||
}
|
||||
|
||||
} // namespace mlx90614
|
||||
} // namespace esphome
|
34
esphome/components/mlx90614/mlx90614.h
Normal file
34
esphome/components/mlx90614/mlx90614.h
Normal file
|
@ -0,0 +1,34 @@
|
|||
#pragma once
|
||||
|
||||
#include "esphome/components/i2c/i2c.h"
|
||||
#include "esphome/components/sensor/sensor.h"
|
||||
#include "esphome/core/component.h"
|
||||
|
||||
namespace esphome {
|
||||
namespace mlx90614 {
|
||||
|
||||
class MLX90614Component : public PollingComponent, public i2c::I2CDevice {
|
||||
public:
|
||||
void setup() override;
|
||||
void dump_config() override;
|
||||
void update() override;
|
||||
float get_setup_priority() const override;
|
||||
|
||||
void set_ambient_sensor(sensor::Sensor *ambient_sensor) { ambient_sensor_ = ambient_sensor; }
|
||||
void set_object_sensor(sensor::Sensor *object_sensor) { object_sensor_ = object_sensor; }
|
||||
|
||||
void set_emissivity(float emissivity) { emissivity_ = emissivity; }
|
||||
|
||||
protected:
|
||||
bool write_emissivity_();
|
||||
|
||||
uint8_t crc8_pec_(const uint8_t *data, uint8_t len);
|
||||
bool write_bytes_(uint8_t reg, uint16_t data);
|
||||
|
||||
sensor::Sensor *ambient_sensor_{nullptr};
|
||||
sensor::Sensor *object_sensor_{nullptr};
|
||||
|
||||
float emissivity_{NAN};
|
||||
};
|
||||
} // namespace mlx90614
|
||||
} // namespace esphome
|
63
esphome/components/mlx90614/sensor.py
Normal file
63
esphome/components/mlx90614/sensor.py
Normal file
|
@ -0,0 +1,63 @@
|
|||
import esphome.codegen as cg
|
||||
import esphome.config_validation as cv
|
||||
from esphome.components import i2c, sensor
|
||||
from esphome.const import (
|
||||
CONF_ID,
|
||||
DEVICE_CLASS_TEMPERATURE,
|
||||
STATE_CLASS_MEASUREMENT,
|
||||
UNIT_CELSIUS,
|
||||
)
|
||||
|
||||
CODEOWNERS = ["@jesserockz"]
|
||||
DEPENDENCIES = ["i2c"]
|
||||
|
||||
CONF_AMBIENT = "ambient"
|
||||
CONF_EMISSIVITY = "emissivity"
|
||||
CONF_OBJECT = "object"
|
||||
|
||||
mlx90614_ns = cg.esphome_ns.namespace("mlx90614")
|
||||
MLX90614Component = mlx90614_ns.class_(
|
||||
"MLX90614Component", cg.PollingComponent, i2c.I2CDevice
|
||||
)
|
||||
|
||||
CONFIG_SCHEMA = (
|
||||
cv.Schema(
|
||||
{
|
||||
cv.GenerateID(): cv.declare_id(MLX90614Component),
|
||||
cv.Optional(CONF_AMBIENT): sensor.sensor_schema(
|
||||
unit_of_measurement=UNIT_CELSIUS,
|
||||
accuracy_decimals=1,
|
||||
device_class=DEVICE_CLASS_TEMPERATURE,
|
||||
state_class=STATE_CLASS_MEASUREMENT,
|
||||
),
|
||||
cv.Optional(CONF_OBJECT): sensor.sensor_schema(
|
||||
unit_of_measurement=UNIT_CELSIUS,
|
||||
accuracy_decimals=1,
|
||||
device_class=DEVICE_CLASS_TEMPERATURE,
|
||||
state_class=STATE_CLASS_MEASUREMENT,
|
||||
).extend(
|
||||
{
|
||||
cv.Optional(CONF_EMISSIVITY, default=1.0): cv.percentage,
|
||||
}
|
||||
),
|
||||
}
|
||||
)
|
||||
.extend(cv.polling_component_schema("60s"))
|
||||
.extend(i2c.i2c_device_schema(0x5A))
|
||||
)
|
||||
|
||||
|
||||
async def to_code(config):
|
||||
var = cg.new_Pvariable(config[CONF_ID])
|
||||
await cg.register_component(var, config)
|
||||
await i2c.register_i2c_device(var, config)
|
||||
|
||||
if CONF_AMBIENT in config:
|
||||
sens = await sensor.new_sensor(config[CONF_AMBIENT])
|
||||
cg.add(var.set_ambient_sensor(sens))
|
||||
|
||||
if CONF_OBJECT in config:
|
||||
sens = await sensor.new_sensor(config[CONF_OBJECT])
|
||||
cg.add(var.set_object_sensor(sens))
|
||||
|
||||
cg.add(var.set_emissivity(config[CONF_OBJECT][CONF_EMISSIVITY]))
|
|
@ -1239,6 +1239,13 @@ sensor:
|
|||
temperature:
|
||||
name: Max9611 Temp
|
||||
update_interval: 1s
|
||||
- platform: mlx90614
|
||||
i2c_id: i2c_bus
|
||||
ambient:
|
||||
name: Ambient
|
||||
object:
|
||||
name: Object
|
||||
emissivity: 1.0
|
||||
- platform: mpl3115a2
|
||||
i2c_id: i2c_bus
|
||||
temperature:
|
||||
|
|
Loading…
Reference in a new issue