mirror of
https://github.com/esphome/esphome.git
synced 2024-11-09 16:57:47 +01:00
Add support for EE895 (#3771)
This commit is contained in:
parent
ddedc1cd76
commit
4bf5faf808
6 changed files with 228 additions and 0 deletions
|
@ -71,6 +71,7 @@ esphome/components/display_menu_base/* @numo68
|
|||
esphome/components/dps310/* @kbx81
|
||||
esphome/components/ds1307/* @badbadc0ffee
|
||||
esphome/components/dsmr/* @glmnet @zuidwijk
|
||||
esphome/components/ee895/* @Stock-M
|
||||
esphome/components/ektf2232/* @jesserockz
|
||||
esphome/components/ens210/* @itn3rd77
|
||||
esphome/components/esp32/* @esphome/core
|
||||
|
|
0
esphome/components/ee895/__init__.py
Normal file
0
esphome/components/ee895/__init__.py
Normal file
115
esphome/components/ee895/ee895.cpp
Normal file
115
esphome/components/ee895/ee895.cpp
Normal file
|
@ -0,0 +1,115 @@
|
|||
#include "ee895.h"
|
||||
#include "esphome/core/log.h"
|
||||
#include "esphome/core/helpers.h"
|
||||
|
||||
namespace esphome {
|
||||
namespace ee895 {
|
||||
|
||||
static const char *const TAG = "ee895";
|
||||
|
||||
static const uint16_t CRC16_ONEWIRE_START = 0xFFFF;
|
||||
static const uint8_t FUNCTION_CODE_READ = 0x03;
|
||||
static const uint16_t SERIAL_NUMBER = 0x0000;
|
||||
static const uint16_t TEMPERATURE_ADDRESS = 0x03EA;
|
||||
static const uint16_t CO2_ADDRESS = 0x0424;
|
||||
static const uint16_t PRESSURE_ADDRESS = 0x04B0;
|
||||
|
||||
void EE895Component::setup() {
|
||||
uint16_t crc16_check = 0;
|
||||
ESP_LOGCONFIG(TAG, "Setting up EE895...");
|
||||
write_command_(SERIAL_NUMBER, 8);
|
||||
uint8_t serial_number[20];
|
||||
this->read(serial_number, 20);
|
||||
|
||||
crc16_check = (serial_number[19] << 8) + serial_number[18];
|
||||
if (crc16_check != calc_crc16_(serial_number, 19)) {
|
||||
this->error_code_ = CRC_CHECK_FAILED;
|
||||
this->mark_failed();
|
||||
return;
|
||||
}
|
||||
ESP_LOGV(TAG, " Serial Number: 0x%s", format_hex(serial_number + 2, 16).c_str());
|
||||
}
|
||||
|
||||
void EE895Component::dump_config() {
|
||||
ESP_LOGCONFIG(TAG, "EE895:");
|
||||
LOG_I2C_DEVICE(this);
|
||||
switch (this->error_code_) {
|
||||
case COMMUNICATION_FAILED:
|
||||
ESP_LOGE(TAG, "Communication with EE895 failed!");
|
||||
break;
|
||||
case CRC_CHECK_FAILED:
|
||||
ESP_LOGE(TAG, "The crc check failed");
|
||||
break;
|
||||
case NONE:
|
||||
default:
|
||||
break;
|
||||
}
|
||||
LOG_UPDATE_INTERVAL(this);
|
||||
LOG_SENSOR(" ", "Temperature", this->temperature_sensor_);
|
||||
LOG_SENSOR(" ", "CO2", this->co2_sensor_);
|
||||
LOG_SENSOR(" ", "Pressure", this->pressure_sensor_);
|
||||
}
|
||||
|
||||
float EE895Component::get_setup_priority() const { return setup_priority::DATA; }
|
||||
|
||||
void EE895Component::update() {
|
||||
write_command_(TEMPERATURE_ADDRESS, 2);
|
||||
this->set_timeout(50, [this]() {
|
||||
float temperature = read_float_();
|
||||
|
||||
write_command_(CO2_ADDRESS, 2);
|
||||
float co2 = read_float_();
|
||||
|
||||
write_command_(PRESSURE_ADDRESS, 2);
|
||||
float pressure = read_float_();
|
||||
ESP_LOGD(TAG, "Got temperature=%.1f°C co2=%.0fppm pressure=%.1f%mbar", temperature, co2, pressure);
|
||||
if (this->temperature_sensor_ != nullptr)
|
||||
this->temperature_sensor_->publish_state(temperature);
|
||||
if (this->co2_sensor_ != nullptr)
|
||||
this->co2_sensor_->publish_state(co2);
|
||||
if (this->pressure_sensor_ != nullptr)
|
||||
this->pressure_sensor_->publish_state(pressure);
|
||||
this->status_clear_warning();
|
||||
});
|
||||
}
|
||||
|
||||
void EE895Component::write_command_(uint16_t addr, uint16_t reg_cnt) {
|
||||
uint8_t address[7];
|
||||
uint16_t crc16 = 0;
|
||||
address[0] = FUNCTION_CODE_READ;
|
||||
address[1] = (addr >> 8) & 0xFF;
|
||||
address[2] = addr & 0xFF;
|
||||
address[3] = (reg_cnt >> 8) & 0xFF;
|
||||
address[4] = reg_cnt & 0xFF;
|
||||
crc16 = calc_crc16_(address, 6);
|
||||
address[5] = crc16 & 0xFF;
|
||||
address[6] = (crc16 >> 8) & 0xFF;
|
||||
this->write(address, 7, true);
|
||||
}
|
||||
|
||||
float EE895Component::read_float_() {
|
||||
uint16_t crc16_check = 0;
|
||||
uint8_t i2c_response[8];
|
||||
this->read(i2c_response, 8);
|
||||
crc16_check = (i2c_response[7] << 8) + i2c_response[6];
|
||||
if (crc16_check != calc_crc16_(i2c_response, 7)) {
|
||||
this->error_code_ = CRC_CHECK_FAILED;
|
||||
this->status_set_warning();
|
||||
return 0;
|
||||
}
|
||||
uint32_t x = encode_uint32(i2c_response[4], i2c_response[5], i2c_response[2], i2c_response[3]);
|
||||
float value;
|
||||
memcpy(&value, &x, sizeof(value)); // convert uin32_t IEEE-754 format to float
|
||||
return value;
|
||||
}
|
||||
|
||||
uint16_t EE895Component::calc_crc16_(const uint8_t buf[], uint8_t len) {
|
||||
uint8_t crc_check_buf[22];
|
||||
for (int i = 0; i < len; i++) {
|
||||
crc_check_buf[i + 1] = buf[i];
|
||||
}
|
||||
crc_check_buf[0] = this->address_;
|
||||
return crc16(crc_check_buf, len);
|
||||
}
|
||||
} // namespace ee895
|
||||
} // namespace esphome
|
34
esphome/components/ee895/ee895.h
Normal file
34
esphome/components/ee895/ee895.h
Normal file
|
@ -0,0 +1,34 @@
|
|||
#pragma once
|
||||
|
||||
#include "esphome/core/component.h"
|
||||
#include "esphome/components/sensor/sensor.h"
|
||||
#include "esphome/components/i2c/i2c.h"
|
||||
|
||||
namespace esphome {
|
||||
namespace ee895 {
|
||||
|
||||
/// This class implements support for the ee895 of temperature i2c sensors.
|
||||
class EE895Component : public PollingComponent, public i2c::I2CDevice {
|
||||
public:
|
||||
void set_co2_sensor(sensor::Sensor *co2) { co2_sensor_ = co2; }
|
||||
void set_temperature_sensor(sensor::Sensor *temperature_sensor) { temperature_sensor_ = temperature_sensor; }
|
||||
void set_pressure_sensor(sensor::Sensor *pressure_sensor) { pressure_sensor_ = pressure_sensor; }
|
||||
|
||||
float get_setup_priority() const override;
|
||||
void setup() override;
|
||||
void dump_config() override;
|
||||
void update() override;
|
||||
|
||||
protected:
|
||||
void write_command_(uint16_t addr, uint16_t reg_cnt);
|
||||
float read_float_();
|
||||
uint16_t calc_crc16_(const uint8_t buf[], uint8_t len);
|
||||
sensor::Sensor *co2_sensor_;
|
||||
sensor::Sensor *temperature_sensor_;
|
||||
sensor::Sensor *pressure_sensor_;
|
||||
|
||||
enum ErrorCode { NONE = 0, COMMUNICATION_FAILED, CRC_CHECK_FAILED } error_code_{NONE};
|
||||
};
|
||||
|
||||
} // namespace ee895
|
||||
} // namespace esphome
|
69
esphome/components/ee895/sensor.py
Normal file
69
esphome/components/ee895/sensor.py
Normal file
|
@ -0,0 +1,69 @@
|
|||
import esphome.codegen as cg
|
||||
import esphome.config_validation as cv
|
||||
from esphome.components import i2c, sensor
|
||||
from esphome.const import (
|
||||
CONF_ID,
|
||||
CONF_PRESSURE,
|
||||
CONF_TEMPERATURE,
|
||||
CONF_CO2,
|
||||
DEVICE_CLASS_TEMPERATURE,
|
||||
DEVICE_CLASS_PRESSURE,
|
||||
STATE_CLASS_MEASUREMENT,
|
||||
UNIT_HECTOPASCAL,
|
||||
UNIT_CELSIUS,
|
||||
ICON_MOLECULE_CO2,
|
||||
UNIT_PARTS_PER_MILLION,
|
||||
)
|
||||
|
||||
CODEOWNERS = ["@Stock-M"]
|
||||
|
||||
DEPENDENCIES = ["i2c"]
|
||||
|
||||
ee895_ns = cg.esphome_ns.namespace("ee895")
|
||||
EE895Component = ee895_ns.class_("EE895Component", cg.PollingComponent, i2c.I2CDevice)
|
||||
|
||||
CONFIG_SCHEMA = (
|
||||
cv.Schema(
|
||||
{
|
||||
cv.GenerateID(): cv.declare_id(EE895Component),
|
||||
cv.Required(CONF_TEMPERATURE): sensor.sensor_schema(
|
||||
unit_of_measurement=UNIT_CELSIUS,
|
||||
accuracy_decimals=1,
|
||||
device_class=DEVICE_CLASS_TEMPERATURE,
|
||||
state_class=STATE_CLASS_MEASUREMENT,
|
||||
),
|
||||
cv.Required(CONF_CO2): sensor.sensor_schema(
|
||||
unit_of_measurement=UNIT_PARTS_PER_MILLION,
|
||||
icon=ICON_MOLECULE_CO2,
|
||||
accuracy_decimals=0,
|
||||
state_class=STATE_CLASS_MEASUREMENT,
|
||||
),
|
||||
cv.Required(CONF_PRESSURE): sensor.sensor_schema(
|
||||
unit_of_measurement=UNIT_HECTOPASCAL,
|
||||
accuracy_decimals=1,
|
||||
device_class=DEVICE_CLASS_PRESSURE,
|
||||
state_class=STATE_CLASS_MEASUREMENT,
|
||||
),
|
||||
}
|
||||
)
|
||||
.extend(cv.polling_component_schema("60s"))
|
||||
.extend(i2c.i2c_device_schema(0x5F))
|
||||
)
|
||||
|
||||
|
||||
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_TEMPERATURE in config:
|
||||
sens = await sensor.new_sensor(config[CONF_TEMPERATURE])
|
||||
cg.add(var.set_temperature_sensor(sens))
|
||||
|
||||
if CONF_CO2 in config:
|
||||
sens = await sensor.new_sensor(config[CONF_CO2])
|
||||
cg.add(var.set_co2_sensor(sens))
|
||||
|
||||
if CONF_PRESSURE in config:
|
||||
sens = await sensor.new_sensor(config[CONF_PRESSURE])
|
||||
cg.add(var.set_pressure_sensor(sens))
|
|
@ -568,6 +568,15 @@ sensor:
|
|||
- platform: duty_cycle
|
||||
pin: GPIO25
|
||||
name: Duty Cycle Sensor
|
||||
- platform: ee895
|
||||
co2:
|
||||
name: Office CO2 1
|
||||
temperature:
|
||||
name: Office Temperature 1
|
||||
pressure:
|
||||
name: Office Pressure 1
|
||||
address: 0x5F
|
||||
i2c_id: i2c_bus
|
||||
- platform: esp32_hall
|
||||
name: ESP32 Hall Sensor
|
||||
update_interval: 15s
|
||||
|
|
Loading…
Reference in a new issue