Add pmwcs3 capacitive soil moisture & temperature sensor component (#4624)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
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SeByDocKy 2023-08-17 22:03:39 +02:00 committed by GitHub
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commit c11c4dad2f
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@ -212,6 +212,7 @@ esphome/components/pid/* @OttoWinter
esphome/components/pipsolar/* @andreashergert1984
esphome/components/pm1006/* @habbie
esphome/components/pmsa003i/* @sjtrny
esphome/components/pmwcs3/* @SeByDocKy
esphome/components/pn532/* @OttoWinter @jesserockz
esphome/components/pn532_i2c/* @OttoWinter @jesserockz
esphome/components/pn532_spi/* @OttoWinter @jesserockz

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@ -0,0 +1 @@
CODEOWNERS = ["@SeByDocKy"]

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@ -0,0 +1,115 @@
#include "pmwcs3.h"
#include "esphome/core/hal.h"
#include "esphome/core/log.h"
namespace esphome {
namespace pmwcs3 {
static const uint8_t PMWCS3_I2C_ADDRESS = 0x63;
static const uint8_t PMWCS3_REG_READ_START = 0x01;
static const uint8_t PMWCS3_REG_READ_E25 = 0x02;
static const uint8_t PMWCS3_REG_READ_EC = 0x03;
static const uint8_t PMWCS3_REG_READ_TEMP = 0x04;
static const uint8_t PMWCS3_REG_READ_VWC = 0x05;
static const uint8_t PMWCS3_REG_CALIBRATE_AIR = 0x06;
static const uint8_t PMWCS3_REG_CALIBRATE_WATER = 0x07;
static const uint8_t PMWCS3_SET_I2C_ADDRESS = 0x08;
static const uint8_t PMWCS3_REG_GET_DATA = 0x09;
static const uint8_t PMWCS3_REG_CALIBRATE_EC = 0x10;
static const uint8_t PMWCS3_REG_CAP = 0x0A;
static const uint8_t PMWCS3_REG_RES = 0x0B;
static const uint8_t PMWCS3_REG_RC = 0x0C;
static const uint8_t PMWCS3_REG_RT = 0x0D;
static const char *const TAG = "pmwcs3";
void PMWCS3Component::new_i2c_address(uint8_t address) {
if (!this->write_byte(PMWCS3_SET_I2C_ADDRESS, address)) {
this->status_set_warning();
ESP_LOGW(TAG, "couldn't write the new I2C address %d", address);
return;
}
this->set_i2c_address(address); // Allows device to continue working until new firmware is written with new address.
ESP_LOGVV(TAG, "changed I2C address to %d", address);
this->status_clear_warning();
}
void PMWCS3Component::air_calibration() {
if (!this->write_bytes(PMWCS3_REG_CALIBRATE_AIR, nullptr, 0)) {
this->status_set_warning();
ESP_LOGW(TAG, "couldn't start air calibration");
return;
}
ESP_LOGW(TAG, "Start air calibration during the next 300s");
}
void PMWCS3Component::water_calibration() {
if (!this->write_bytes(PMWCS3_REG_CALIBRATE_WATER, nullptr, 0)) {
this->status_set_warning();
ESP_LOGW(TAG, "couldn't start water calibration");
return;
}
ESP_LOGW(TAG, "Start water calibration during the next 300s");
}
void PMWCS3Component::setup() { ESP_LOGCONFIG(TAG, "Setting up PMWCS3..."); }
void PMWCS3Component::update() { this->read_data_(); }
float PMWCS3Component::get_setup_priority() const { return setup_priority::DATA; }
void PMWCS3Component::dump_config() {
ESP_LOGCONFIG(TAG, "PMWCS3");
LOG_I2C_DEVICE(this);
if (this->is_failed()) {
ESP_LOGE(TAG, "Communication with PMWCS3 failed!");
}
ESP_LOGI(TAG, "%s", this->is_failed() ? "FAILED" : "OK");
LOG_UPDATE_INTERVAL(this);
LOG_SENSOR(" ", "e25", this->e25_sensor_);
LOG_SENSOR(" ", "ec", this->ec_sensor_);
LOG_SENSOR(" ", "temperature", this->temperature_sensor_);
LOG_SENSOR(" ", "vwc", this->vwc_sensor_);
}
void PMWCS3Component::read_data_() {
uint8_t data[8];
float e25, ec, temperature, vwc;
/////// Super important !!!! first activate reading PMWCS3_REG_READ_START (if not, return always the same values) ////
if (!this->write_bytes(PMWCS3_REG_READ_START, nullptr, 0)) {
this->status_set_warning();
ESP_LOGVV(TAG, "Failed to write into REG_READ_START register !!!");
return;
}
// NOLINT delay(100);
if (!this->read_bytes(PMWCS3_REG_GET_DATA, (uint8_t *) &data, 8)) {
ESP_LOGVV(TAG, "Error reading PMWCS3_REG_GET_DATA registers");
this->mark_failed();
return;
}
if (this->e25_sensor_ != nullptr) {
e25 = ((data[1] << 8) | data[0]) / 100.0;
this->e25_sensor_->publish_state(e25);
ESP_LOGVV(TAG, "e25: data[0]=%d, data[1]=%d, result=%f", data[0], data[1], e25);
}
if (this->ec_sensor_ != nullptr) {
ec = ((data[3] << 8) | data[2]) / 10.0;
this->ec_sensor_->publish_state(ec);
ESP_LOGVV(TAG, "ec: data[2]=%d, data[3]=%d, result=%f", data[2], data[3], ec);
}
if (this->temperature_sensor_ != nullptr) {
temperature = ((data[5] << 8) | data[4]) / 100.0;
this->temperature_sensor_->publish_state(temperature);
ESP_LOGVV(TAG, "temp: data[4]=%d, data[5]=%d, result=%f", data[4], data[5], temperature);
}
if (this->vwc_sensor_ != nullptr) {
vwc = ((data[7] << 8) | data[6]) / 10.0;
this->vwc_sensor_->publish_state(vwc);
ESP_LOGVV(TAG, "vwc: data[6]=%d, data[7]=%d, result=%f", data[6], data[7], vwc);
}
}
} // namespace pmwcs3
} // namespace esphome

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#pragma once
#include "esphome/core/automation.h"
#include "esphome/core/component.h"
#include "esphome/components/sensor/sensor.h"
#include "esphome/components/i2c/i2c.h"
// ref:
// https://github.com/tinovi/i2cArduino/blob/master/i2cArduino.h
namespace esphome {
namespace pmwcs3 {
class PMWCS3Component : public PollingComponent, public i2c::I2CDevice {
public:
void setup() override;
void update() override;
void dump_config() override;
float get_setup_priority() const override;
void set_e25_sensor(sensor::Sensor *e25_sensor) { e25_sensor_ = e25_sensor; }
void set_ec_sensor(sensor::Sensor *ec_sensor) { ec_sensor_ = ec_sensor; }
void set_temperature_sensor(sensor::Sensor *temperature_sensor) { temperature_sensor_ = temperature_sensor; }
void set_vwc_sensor(sensor::Sensor *vwc_sensor) { vwc_sensor_ = vwc_sensor; }
void new_i2c_address(uint8_t newaddress);
void air_calibration();
void water_calibration();
protected:
void read_data_();
sensor::Sensor *e25_sensor_{nullptr};
sensor::Sensor *ec_sensor_{nullptr};
sensor::Sensor *temperature_sensor_{nullptr};
sensor::Sensor *vwc_sensor_{nullptr};
};
template<typename... Ts> class PMWCS3AirCalibrationAction : public Action<Ts...> {
public:
PMWCS3AirCalibrationAction(PMWCS3Component *parent) : parent_(parent) {}
void play(Ts... x) override { this->parent_->air_calibration(); }
protected:
PMWCS3Component *parent_;
};
template<typename... Ts> class PMWCS3WaterCalibrationAction : public Action<Ts...> {
public:
PMWCS3WaterCalibrationAction(PMWCS3Component *parent) : parent_(parent) {}
void play(Ts... x) override { this->parent_->water_calibration(); }
protected:
PMWCS3Component *parent_;
};
template<typename... Ts> class PMWCS3NewI2cAddressAction : public Action<Ts...> {
public:
PMWCS3NewI2cAddressAction(PMWCS3Component *parent) : parent_(parent) {}
TEMPLATABLE_VALUE(int, new_address)
void play(Ts... x) override { this->parent_->new_i2c_address(this->new_address_.value(x...)); }
protected:
PMWCS3Component *parent_;
};
} // namespace pmwcs3
} // namespace esphome

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import esphome.codegen as cg
from esphome import automation
import esphome.config_validation as cv
from esphome.components import i2c, sensor
from esphome.const import (
CONF_ID,
CONF_ADDRESS,
CONF_TEMPERATURE,
CONF_EC,
STATE_CLASS_MEASUREMENT,
ICON_THERMOMETER,
)
CODEOWNERS = ["@SeByDocKy"]
DEPENDENCIES = ["i2c"]
CONF_E25 = "e25"
CONF_VWC = "vwc"
ICON_EPSILON = "mdi:epsilon"
ICON_SIGMA = "mdi:sigma-lower"
ICON_ALPHA = "mdi:alpha-h-circle-outline"
pmwcs3_ns = cg.esphome_ns.namespace("pmwcs3")
PMWCS3Component = pmwcs3_ns.class_(
"PMWCS3Component", cg.PollingComponent, i2c.I2CDevice
)
# Actions
PMWCS3AirCalibrationAction = pmwcs3_ns.class_(
"PMWCS3AirCalibrationAction", automation.Action
)
PMWCS3WaterCalibrationAction = pmwcs3_ns.class_(
"PMWCS3WaterCalibrationAction", automation.Action
)
PMWCS3NewI2cAddressAction = pmwcs3_ns.class_(
"PMWCS3NewI2cAddressAction", automation.Action
)
CONFIG_SCHEMA = (
cv.Schema(
{
cv.GenerateID(): cv.declare_id(PMWCS3Component),
cv.Optional(CONF_E25): sensor.sensor_schema(
icon=ICON_EPSILON,
accuracy_decimals=3,
unit_of_measurement="dS/m",
state_class=STATE_CLASS_MEASUREMENT,
),
cv.Optional(CONF_EC): sensor.sensor_schema(
icon=ICON_SIGMA,
accuracy_decimals=2,
unit_of_measurement="mS/m",
state_class=STATE_CLASS_MEASUREMENT,
),
cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
icon=ICON_THERMOMETER,
accuracy_decimals=3,
unit_of_measurement="°C",
state_class=STATE_CLASS_MEASUREMENT,
),
cv.Optional(CONF_VWC): sensor.sensor_schema(
icon=ICON_ALPHA,
accuracy_decimals=3,
unit_of_measurement="cm3cm3",
state_class=STATE_CLASS_MEASUREMENT,
),
}
)
.extend(cv.polling_component_schema("60s"))
.extend(i2c.i2c_device_schema(0x63))
)
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_E25 in config:
sens = await sensor.new_sensor(config[CONF_E25])
cg.add(var.set_e25_sensor(sens))
if CONF_EC in config:
sens = await sensor.new_sensor(config[CONF_EC])
cg.add(var.set_ec_sensor(sens))
if CONF_TEMPERATURE in config:
sens = await sensor.new_sensor(config[CONF_TEMPERATURE])
cg.add(var.set_temperature_sensor(sens))
if CONF_VWC in config:
sens = await sensor.new_sensor(config[CONF_VWC])
cg.add(var.set_vwc_sensor(sens))
# Actions
PMWCS3_CALIBRATION_SCHEMA = cv.Schema(
{
cv.GenerateID(): cv.use_id(PMWCS3Component),
}
)
@automation.register_action(
"pmwcs3.air_calibration",
PMWCS3AirCalibrationAction,
PMWCS3_CALIBRATION_SCHEMA,
)
@automation.register_action(
"pmwcs3.water_calibration",
PMWCS3WaterCalibrationAction,
PMWCS3_CALIBRATION_SCHEMA,
)
async def pmwcs3_calibration_to_code(config, action_id, template_arg, args):
parent = await cg.get_variable(config[CONF_ID])
var = cg.new_Pvariable(action_id, template_arg, parent)
return var
PMWCS3_NEW_I2C_ADDRESS_SCHEMA = cv.maybe_simple_value(
{
cv.GenerateID(): cv.use_id(PMWCS3Component),
cv.Required(CONF_ADDRESS): cv.templatable(cv.i2c_address),
},
key=CONF_ADDRESS,
)
@automation.register_action(
"pmwcs3.new_i2c_address",
PMWCS3NewI2cAddressAction,
PMWCS3_NEW_I2C_ADDRESS_SCHEMA,
)
async def pmwcs3newi2caddress_to_code(config, action_id, template_arg, args):
parent = await cg.get_variable(config[CONF_ID])
var = cg.new_Pvariable(action_id, template_arg, parent)
address = await cg.templatable(config[CONF_ADDRESS], args, int)
cg.add(var.set_new_address(address))
return var

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@ -348,6 +348,16 @@ mcp23s17:
deviceaddress: 1
sensor:
- platform: pmwcs3
i2c_id: i2c_bus
e25:
name: pmwcs3_e25
ec:
name: pmwcs3_ec
temperature:
name: pmwcs3_temperature
vwc:
name: pmwcs3_vwc
- platform: gcja5
pm_1_0:
name: "Particulate Matter <1.0µm Concentration"