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Add support for SMT100 Soil Moisture Sensor (#3654)
Co-authored-by: Dennis Piecha <d.piecha@ymail.com>
This commit is contained in:
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c95acd2568
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7 changed files with 242 additions and 0 deletions
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@ -189,6 +189,7 @@ esphome/components/shutdown/* @esphome/core @jsuanet
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esphome/components/sim800l/* @glmnet
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esphome/components/sm2135/* @BoukeHaarsma23
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esphome/components/sml/* @alengwenus
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esphome/components/smt100/* @piechade
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esphome/components/socket/* @esphome/core
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esphome/components/sonoff_d1/* @anatoly-savchenkov
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esphome/components/spi/* @esphome/core
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1
esphome/components/smt100/__init__.py
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1
esphome/components/smt100/__init__.py
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CODEOWNERS = ["@piechade"]
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94
esphome/components/smt100/sensor.py
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94
esphome/components/smt100/sensor.py
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import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome.components import sensor, uart
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from esphome.const import (
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CONF_ID,
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CONF_COUNTS,
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CONF_DIELECTRIC_CONSTANT,
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CONF_TEMPERATURE,
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CONF_MOISTURE,
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CONF_VOLTAGE,
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ICON_WATER_PERCENT,
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DEVICE_CLASS_TEMPERATURE,
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DEVICE_CLASS_VOLTAGE,
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STATE_CLASS_MEASUREMENT,
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UNIT_EMPTY,
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UNIT_CELSIUS,
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UNIT_PERCENT,
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UNIT_VOLT,
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)
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DEPENDENCIES = ["uart"]
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smt100_ns = cg.esphome_ns.namespace("smt100")
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SMT100 = smt100_ns.class_("SMT100Component", cg.PollingComponent, uart.UARTDevice)
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CONFIG_SCHEMA = (
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cv.Schema(
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{
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cv.GenerateID(): cv.declare_id(SMT100),
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cv.Optional(CONF_COUNTS): sensor.sensor_schema(
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unit_of_measurement=UNIT_EMPTY,
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accuracy_decimals=0,
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state_class=STATE_CLASS_MEASUREMENT,
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),
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cv.Optional(CONF_DIELECTRIC_CONSTANT): sensor.sensor_schema(
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unit_of_measurement=UNIT_EMPTY,
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accuracy_decimals=2,
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state_class=STATE_CLASS_MEASUREMENT,
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),
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cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
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unit_of_measurement=UNIT_CELSIUS,
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accuracy_decimals=2,
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device_class=DEVICE_CLASS_TEMPERATURE,
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state_class=STATE_CLASS_MEASUREMENT,
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),
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cv.Optional(CONF_MOISTURE): sensor.sensor_schema(
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unit_of_measurement=UNIT_PERCENT,
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icon=ICON_WATER_PERCENT,
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accuracy_decimals=2,
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state_class=STATE_CLASS_MEASUREMENT,
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),
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cv.Optional(CONF_VOLTAGE): sensor.sensor_schema(
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unit_of_measurement=UNIT_VOLT,
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accuracy_decimals=2,
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device_class=DEVICE_CLASS_VOLTAGE,
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state_class=STATE_CLASS_MEASUREMENT,
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),
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}
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)
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.extend(cv.polling_component_schema("60s"))
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.extend(uart.UART_DEVICE_SCHEMA)
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)
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FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
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"smt100", baud_rate=9600, require_rx=True, require_tx=True
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)
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async def to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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await cg.register_component(var, config)
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await uart.register_uart_device(var, config)
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if CONF_COUNTS in config:
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sens = await sensor.new_sensor(config[CONF_COUNTS])
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cg.add(var.set_counts_sensor(sens))
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if CONF_DIELECTRIC_CONSTANT in config:
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sens = await sensor.new_sensor(config[CONF_DIELECTRIC_CONSTANT])
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cg.add(var.set_dielectric_constant_sensor(sens))
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if CONF_TEMPERATURE in config:
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sens = await sensor.new_sensor(config[CONF_TEMPERATURE])
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cg.add(var.set_temperature_sensor(sens))
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if CONF_MOISTURE in config:
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sens = await sensor.new_sensor(config[CONF_MOISTURE])
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cg.add(var.set_moisture_sensor(sens))
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if CONF_VOLTAGE in config:
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sens = await sensor.new_sensor(config[CONF_VOLTAGE])
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cg.add(var.set_voltage_sensor(sens))
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84
esphome/components/smt100/smt100.cpp
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84
esphome/components/smt100/smt100.cpp
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#include "smt100.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace smt100 {
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static const char *const TAG = "smt100";
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void SMT100Component::update() {
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ESP_LOGV(TAG, "Sending measurement request");
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this->write_str("GetAllMeasurements!\r");
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}
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void SMT100Component::loop() {
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static char buffer[MAX_LINE_LENGTH];
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while (this->available() != 0) {
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if (readline_(read(), buffer, MAX_LINE_LENGTH) > 0) {
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int counts = (int) strtol((strtok(buffer, ",")), nullptr, 10);
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float dielectric_constant = (float) strtod((strtok(nullptr, ",")), nullptr);
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float moisture = (float) strtod((strtok(nullptr, ",")), nullptr);
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float temperature = (float) strtod((strtok(nullptr, ",")), nullptr);
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float voltage = (float) strtod((strtok(nullptr, ",")), nullptr);
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if (this->counts_sensor_ != nullptr) {
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counts_sensor_->publish_state(counts);
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}
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if (this->dielectric_constant_sensor_ != nullptr) {
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dielectric_constant_sensor_->publish_state(dielectric_constant);
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}
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if (this->moisture_sensor_ != nullptr) {
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moisture_sensor_->publish_state(moisture);
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}
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if (this->temperature_sensor_ != nullptr) {
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temperature_sensor_->publish_state(temperature);
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}
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if (this->voltage_sensor_ != nullptr) {
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voltage_sensor_->publish_state(voltage);
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}
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}
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}
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}
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float SMT100Component::get_setup_priority() const { return setup_priority::DATA; }
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void SMT100Component::dump_config() {
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ESP_LOGCONFIG(TAG, "SMT100:");
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LOG_SENSOR(TAG, "Counts", this->temperature_sensor_);
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LOG_SENSOR(TAG, "Dielectric Constant", this->temperature_sensor_);
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LOG_SENSOR(TAG, "Temperature", this->temperature_sensor_);
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LOG_SENSOR(TAG, "Moisture", this->moisture_sensor_);
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LOG_UPDATE_INTERVAL(this);
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this->check_uart_settings(9600);
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}
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int SMT100Component::readline_(int readch, char *buffer, int len) {
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static int pos = 0;
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int rpos;
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if (readch > 0) {
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switch (readch) {
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case '\n': // Ignore new-lines
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break;
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case '\r': // Return on CR
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rpos = pos;
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pos = 0; // Reset position index ready for next time
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return rpos;
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default:
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if (pos < len - 1) {
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buffer[pos++] = readch;
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buffer[pos] = 0;
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}
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}
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}
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// No end of line has been found, so return -1.
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return -1;
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}
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} // namespace smt100
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} // namespace esphome
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43
esphome/components/smt100/smt100.h
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43
esphome/components/smt100/smt100.h
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#pragma once
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#include "esphome/core/component.h"
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#include "esphome/components/sensor/sensor.h"
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#include "esphome/components/uart/uart.h"
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namespace esphome {
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namespace smt100 {
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class SMT100Component : public PollingComponent, public uart::UARTDevice {
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static const uint16_t MAX_LINE_LENGTH = 31;
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public:
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SMT100Component() = default;
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void dump_config() override;
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void loop() override;
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void update() override;
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float get_setup_priority() const override;
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void set_counts_sensor(sensor::Sensor *counts_sensor) { this->counts_sensor_ = counts_sensor; }
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void set_dielectric_constant_sensor(sensor::Sensor *dielectric_constant_sensor) {
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this->dielectric_constant_sensor_ = dielectric_constant_sensor;
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}
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void set_temperature_sensor(sensor::Sensor *temperature_sensor) { this->temperature_sensor_ = temperature_sensor; }
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void set_moisture_sensor(sensor::Sensor *moisture_sensor) { this->moisture_sensor_ = moisture_sensor; }
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void set_voltage_sensor(sensor::Sensor *voltage_sensor) { this->voltage_sensor_ = voltage_sensor; }
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protected:
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int readline_(int readch, char *buffer, int len);
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sensor::Sensor *counts_sensor_{nullptr};
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sensor::Sensor *dielectric_constant_sensor_{nullptr};
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sensor::Sensor *moisture_sensor_{nullptr};
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sensor::Sensor *temperature_sensor_{nullptr};
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sensor::Sensor *voltage_sensor_{nullptr};
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uint32_t last_transmission_{0};
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};
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} // namespace smt100
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} // namespace esphome
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@ -126,6 +126,7 @@ CONF_COOL_MODE = "cool_mode"
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CONF_COOL_OVERRUN = "cool_overrun"
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CONF_COUNT = "count"
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CONF_COUNT_MODE = "count_mode"
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CONF_COUNTS = "counts"
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CONF_COURSE = "course"
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CONF_CRON = "cron"
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CONF_CS_PIN = "cs_pin"
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CONF_DEVICE = "device"
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CONF_DEVICE_CLASS = "device_class"
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CONF_DEVICE_FACTOR = "device_factor"
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CONF_DIELECTRIC_CONSTANT = "dielectric_constant"
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CONF_DIMENSIONS = "dimensions"
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CONF_DIO_PIN = "dio_pin"
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CONF_DIR_PIN = "dir_pin"
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@ -270,6 +270,10 @@ uart:
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tx_pin: GPIO4
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rx_pin: GPIO5
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baud_rate: 9600
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- id: uart10
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tx_pin: GPIO4
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rx_pin: GPIO5
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baud_rate: 9600
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modbus:
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uart_id: uart1
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temperature:
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name: "mlxtemp"
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oversampling: 2
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- platform: smt100
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uart_id: uart10
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counts:
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name: "Counts"
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dielectric_constant:
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name: "Dielectric Constant"
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temperature:
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name: "Temperature"
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moisture:
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name: "Moisture"
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voltage:
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name: "Voltage"
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update_interval: 60s
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time:
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- platform: homeassistant
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