mirror of
https://github.com/emsesp/EMS-ESP32.git
synced 2025-12-06 07:49:52 +03:00
582 lines
23 KiB
C++
582 lines
23 KiB
C++
/*
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* EMS-ESP - https://github.com/emsesp/EMS-ESP
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* Copyright 2020 Paul Derbyshire
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "analogsensor.h"
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#include "emsesp.h"
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namespace emsesp {
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uuid::log::Logger AnalogSensor::logger_{F_(analogsensor), uuid::log::Facility::DAEMON};
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void AnalogSensor::start() {
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reload(); // fetch the list of sensors from our customization service
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if (analog_enabled_) {
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analogSetAttenuation(ADC_2_5db); // for all channels 1.5V
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}
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LOG_INFO(F("Starting Analog sensor service"));
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// Add API call for /info
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Command::add(
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EMSdevice::DeviceType::ANALOGSENSOR,
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F_(info),
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[&](const char * value, const int8_t id, JsonObject & output) { return command_info(value, id, output); },
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F_(info_cmd));
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Command::add(
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EMSdevice::DeviceType::ANALOGSENSOR,
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F_(setvalue),
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[&](const char * value, const int8_t id) { return command_setvalue(value, id); },
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F("set io value"),
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CommandFlag::ADMIN_ONLY);
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Command::add(
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EMSdevice::DeviceType::ANALOGSENSOR,
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F_(commands),
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[&](const char * value, const int8_t id, JsonObject & output) { return command_commands(value, id, output); },
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F_(commands_cmd));
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Mqtt::subscribe(EMSdevice::DeviceType::ANALOGSENSOR, "analogsensor/#", nullptr); // use empty function callback
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}
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// load settings from the customization file, sorts them and initializes the GPIOs
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void AnalogSensor::reload() {
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EMSESP::webSettingsService.read([&](WebSettings & settings) { analog_enabled_ = settings.analog_enabled; });
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#if defined(EMSESP_STANDALONE)
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analog_enabled_ = true; // for local offline testing
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#endif
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// load the list of analog sensors from the customization service
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// and store them locally and then activate them
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EMSESP::webCustomizationService.read([&](WebCustomization & settings) {
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auto it = sensors_.begin();
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for (auto & sensor_ : sensors_) {
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// update existing sensors
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bool found = false;
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for (const auto & sensor : settings.analogCustomizations) { //search customlist
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if (sensor_.id() == sensor.id) {
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// for output sensors set value to new start-value
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if ((sensor.type == AnalogType::COUNTER || sensor.type >= AnalogType::DIGITAL_OUT)
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&& (sensor_.type() != sensor.type || sensor_.offset() != sensor.offset || sensor_.factor() != sensor.factor)) {
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sensor_.set_value(sensor.offset);
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}
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sensor_.set_name(sensor.name);
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sensor_.set_type(sensor.type);
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sensor_.set_offset(sensor.offset);
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sensor_.set_factor(sensor.factor);
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sensor_.set_uom(sensor.uom);
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sensor_.ha_registered = false;
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found = true;
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}
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}
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if (!found) {
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sensors_.erase(it);
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}
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it++;
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}
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// add new sensors from list
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for (const auto & sensor : settings.analogCustomizations) {
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bool found = false;
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for (const auto & sensor_ : sensors_) {
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if (sensor_.id() == sensor.id) {
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found = true;
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}
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}
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if (!found) {
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sensors_.emplace_back(sensor.id, sensor.name, sensor.offset, sensor.factor, sensor.uom, sensor.type);
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sensors_.back().ha_registered = false; // this will trigger recrate of the HA config
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if (sensor.type == AnalogType::COUNTER || sensor.type >= AnalogType::DIGITAL_OUT) {
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sensors_.back().set_value(sensor.offset);
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} else {
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sensors_.back().set_value(0); // reset value only for new sensors
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}
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}
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}
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return true;
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});
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// sort the list based on GPIO (id)
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std::sort(sensors_.begin(), sensors_.end(), [](const Sensor & a, const Sensor & b) { return a.id() < b.id(); });
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// activate each sensor
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for (auto & sensor : sensors_) {
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sensor.ha_registered = false; // force HA configs to be re-created
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if (sensor.type() == AnalogType::ADC) {
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LOG_DEBUG(F("Adding analog ADC sensor on GPIO%d"), sensor.id());
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// analogSetPinAttenuation does not work with analogReadMilliVolts
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sensor.analog_ = 0; // initialize
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sensor.last_reading_ = 0;
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} else if (sensor.type() == AnalogType::COUNTER) {
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LOG_DEBUG(F("Adding analog I/O Counter sensor on GPIO%d"), sensor.id());
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pinMode(sensor.id(), INPUT_PULLUP);
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if (sensor.id() == 25 || sensor.id() == 26) {
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dacWrite(sensor.id(), 255);
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}
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sensor.polltime_ = 0;
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sensor.poll_ = digitalRead(sensor.id());
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publish_sensor(sensor);
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} else if (sensor.type() == AnalogType::TIMER || sensor.type() == AnalogType::RATE) {
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LOG_DEBUG(F("Adding analog Timer/Rate sensor on GPIO%d"), sensor.id());
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pinMode(sensor.id(), INPUT_PULLUP);
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sensor.polltime_ = uuid::get_uptime();
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sensor.last_polltime_ = uuid::get_uptime();
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sensor.poll_ = digitalRead(sensor.id());
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sensor.set_offset(0);
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sensor.set_value(0);
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publish_sensor(sensor);
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} else if (sensor.type() == AnalogType::DIGITAL_IN) {
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LOG_DEBUG(F("Adding analog Read sensor on GPIO%d"), sensor.id());
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pinMode(sensor.id(), INPUT_PULLUP);
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sensor.set_value(digitalRead(sensor.id())); // initial value
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sensor.set_uom(0); // no uom, just for safe measures
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sensor.polltime_ = 0;
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sensor.poll_ = digitalRead(sensor.id());
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publish_sensor(sensor);
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} else if (sensor.type() == AnalogType::DIGITAL_OUT) {
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LOG_DEBUG(F("Adding analog Write sensor on GPIO%d"), sensor.id());
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pinMode(sensor.id(), OUTPUT);
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if (sensor.id() == 25 || sensor.id() == 26) {
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if (sensor.offset() > 255) {
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sensor.set_offset(255);
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} else if (sensor.offset() < 0) {
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sensor.set_offset(0);
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}
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dacWrite(sensor.id(), sensor.offset());
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sensor.set_value(sensor.offset());
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} else {
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digitalWrite(sensor.id(), sensor.offset() > 0 ? 1 : 0);
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sensor.set_value(digitalRead(sensor.id()));
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}
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sensor.set_uom(0); // no uom, just for safe measures
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publish_sensor(sensor);
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} else if (sensor.type() >= AnalogType::PWM_0) {
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LOG_DEBUG(F("Adding PWM output sensor on GPIO%d"), sensor.id());
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uint channel = sensor.type() - AnalogType::PWM_0;
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ledcSetup(channel, sensor.factor(), 13);
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ledcAttachPin(sensor.id(), channel);
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if (sensor.offset() > 100) {
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sensor.set_offset(100);
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} else if (sensor.offset() < 0) {
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sensor.set_offset(0);
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}
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ledcWrite(channel, (uint32_t)(sensor.offset() * 8191 / 100));
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sensor.set_value(sensor.offset());
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sensor.set_uom(DeviceValueUOM::PERCENT);
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publish_sensor(sensor);
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}
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}
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}
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// measure input sensors and moving average adc
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void AnalogSensor::measure() {
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static uint32_t measure_last_ = 0;
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// measure interval 500ms for adc sensors
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if (!measure_last_ || (uuid::get_uptime() - measure_last_) >= MEASURE_ANALOG_INTERVAL) {
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measure_last_ = uuid::get_uptime();
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// go through the list of adc sensors
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for (auto & sensor : sensors_) {
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if (sensor.type() == AnalogType::ADC) {
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uint16_t a = analogReadMilliVolts(sensor.id()); // e.g. ADC1_CHANNEL_0_GPIO_NUM
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if (!sensor.analog_) { // init first time
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sensor.analog_ = a;
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sensor.sum_ = a * 512;
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} else { // simple moving average filter
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sensor.sum_ = (sensor.sum_ * 511) / 512 + a;
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sensor.analog_ = sensor.sum_ / 512;
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}
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// detect change with little hysteresis on raw mV value
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if (sensor.last_reading_ + 1 < sensor.analog_ || sensor.last_reading_ > sensor.analog_ + 1) {
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sensor.set_value(((int32_t)sensor.analog_ - sensor.offset()) * sensor.factor());
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sensor.last_reading_ = sensor.analog_;
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sensorreads_++;
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changed_ = true;
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publish_sensor(sensor);
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}
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}
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}
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}
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// poll digital io every time with debounce
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// go through the list of digital sensors
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for (auto & sensor : sensors_) {
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if (sensor.type() == AnalogType::DIGITAL_IN || sensor.type() == AnalogType::COUNTER || sensor.type() == AnalogType::TIMER
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|| sensor.type() == AnalogType::RATE) {
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auto old_value = sensor.value(); // remember current value before reading
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auto current_reading = digitalRead(sensor.id());
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if (sensor.poll_ != current_reading) { // check for pinchange
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sensor.polltime_ = uuid::get_uptime(); // remember time of pinchange
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sensor.poll_ = current_reading;
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}
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// debounce and check for real pinchange
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if (uuid::get_uptime() - sensor.polltime_ >= 15 && sensor.poll_ != sensor.last_reading_) {
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sensor.last_reading_ = sensor.poll_;
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if (sensor.type() == AnalogType::DIGITAL_IN) {
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sensor.set_value(sensor.poll_);
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} else if (!sensor.poll_) { // falling edge
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if (sensor.type() == AnalogType::COUNTER) {
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sensor.set_value(old_value + sensor.factor());
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} else if (sensor.type() == AnalogType::RATE) { // dafault uom: Hz (1/sec) with factor 1
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sensor.set_value(sensor.factor() * 1000 / (sensor.polltime_ - sensor.last_polltime_));
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} else if (sensor.type() == AnalogType::TIMER) { // default seconds with factor 1
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sensor.set_value(sensor.factor() * (sensor.polltime_ - sensor.last_polltime_) / 1000);
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}
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sensor.last_polltime_ = sensor.polltime_;
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}
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}
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// see if there is a change and increment # reads
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if (old_value != sensor.value()) {
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sensorreads_++;
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changed_ = true;
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publish_sensor(sensor);
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}
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}
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}
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}
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void AnalogSensor::loop() {
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if (!analog_enabled_) {
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return;
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}
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measure(); // take the measurements
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}
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// update analog information name and offset
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bool AnalogSensor::update(uint8_t id, const std::string & name, float offset, float factor, uint8_t uom, int8_t type) {
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boolean found_sensor = false; // see if we can find the sensor in our customization list
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EMSESP::webCustomizationService.update(
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[&](WebCustomization & settings) {
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for (auto & AnalogCustomization : settings.analogCustomizations) {
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if (AnalogCustomization.id == id) {
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found_sensor = true; // found the record
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// see if it's marked for deletion
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if (type == AnalogType::MARK_DELETED) {
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LOG_DEBUG(F("Removing analog sensor ID %d"), id);
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settings.analogCustomizations.remove(AnalogCustomization);
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} else {
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// update existing record
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AnalogCustomization.name = name;
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AnalogCustomization.offset = offset;
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AnalogCustomization.factor = factor;
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AnalogCustomization.uom = uom;
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AnalogCustomization.type = type;
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LOG_DEBUG(F("Customizing existing analog sensor ID %d"), id);
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}
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return StateUpdateResult::CHANGED; // persist the change
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}
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}
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return StateUpdateResult::UNCHANGED;
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},
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"local");
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// if the sensor exists and we're using HA, delete the old HA record
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if (found_sensor && Mqtt::ha_enabled()) {
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remove_ha_topic(id); // id is the GPIO
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}
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// we didn't find it, it's new, so create and store it
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if (!found_sensor) {
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EMSESP::webCustomizationService.update(
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[&](WebCustomization & settings) {
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auto newSensor = AnalogCustomization();
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newSensor.id = id;
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newSensor.name = name;
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newSensor.offset = offset;
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newSensor.factor = factor;
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newSensor.uom = uom;
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newSensor.type = type;
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settings.analogCustomizations.push_back(newSensor);
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LOG_DEBUG(F("Adding new customization for analog sensor ID %d"), id);
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return StateUpdateResult::CHANGED; // persist the change
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},
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"local");
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}
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// reloads the sensors in the customizations file into the sensors list
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reload();
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return true;
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}
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// check to see if values have been updated
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bool AnalogSensor::updated_values() {
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if (changed_) {
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changed_ = false;
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return true;
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}
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return false;
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}
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// publish a single sensor to MQTT
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void AnalogSensor::publish_sensor(const Sensor & sensor) const {
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if (Mqtt::publish_single()) {
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char topic[Mqtt::MQTT_TOPIC_MAX_SIZE];
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if (Mqtt::publish_single2cmd()) {
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snprintf(topic, sizeof(topic), "%s/%s", read_flash_string(F_(analogsensor)).c_str(), sensor.name().c_str());
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} else {
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snprintf(topic, sizeof(topic), "%s%s/%s", read_flash_string(F_(analogsensor)).c_str(), "_data", sensor.name().c_str());
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}
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char payload[10];
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Mqtt::publish(topic, Helpers::render_value(payload, sensor.value(), 2)); // always publish as floats
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}
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}
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// send empty config topic to remove the entry from HA
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void AnalogSensor::remove_ha_topic(const uint8_t id) const {
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if (!Mqtt::ha_enabled()) {
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return;
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}
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#ifdef EMSESP_DEBUG
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LOG_DEBUG(F("Removing HA config for analog sensor ID %d"), id);
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#endif
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char topic[Mqtt::MQTT_TOPIC_MAX_SIZE];
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snprintf(topic, sizeof(topic), "sensor/%s/analogsensor_%d/config", Mqtt::base().c_str(), id);
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Mqtt::publish_ha(topic);
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}
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// send all sensor values as a JSON package to MQTT
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void AnalogSensor::publish_values(const bool force) {
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uint8_t num_sensors = sensors_.size();
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if (num_sensors == 0) {
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return;
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}
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if (force && Mqtt::publish_single()) {
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for (const auto & sensor : sensors_) {
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publish_sensor(sensor);
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}
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}
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DynamicJsonDocument doc(120 * num_sensors);
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for (auto & sensor : sensors_) {
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if (sensor.type() != AnalogType::NOTUSED) {
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if (Mqtt::is_nested() || Mqtt::ha_enabled()) {
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// nested
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char s[10];
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JsonObject dataSensor = doc.createNestedObject(Helpers::smallitoa(s, sensor.id()));
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dataSensor["name"] = sensor.name();
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switch (sensor.type()) {
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case AnalogType::COUNTER:
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case AnalogType::TIMER:
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case AnalogType::RATE:
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case AnalogType::ADC:
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case AnalogType::PWM_0:
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case AnalogType::PWM_1:
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case AnalogType::PWM_2:
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dataSensor["value"] = sensor.value(); // float
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break;
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default:
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dataSensor["value"] = (uint8_t)sensor.value(); // convert to char for 1 or 0
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break;
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}
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// create HA config
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if (Mqtt::ha_enabled() && (!sensor.ha_registered || force)) {
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LOG_DEBUG(F("Recreating HA config for analog sensor ID %d"), sensor.id());
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StaticJsonDocument<EMSESP_JSON_SIZE_MEDIUM> config;
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char stat_t[50];
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snprintf(stat_t, sizeof(stat_t), "%s/analogsensor_data", Mqtt::base().c_str());
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config["stat_t"] = stat_t;
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char str[50];
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snprintf(str, sizeof(str), "{{value_json['%d'].value}}", sensor.id());
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config["val_tpl"] = str;
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snprintf(str, sizeof(str), "Analog Sensor %s", sensor.name().c_str());
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config["name"] = str;
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snprintf(str, sizeof(str), "analogsensor_%d", sensor.id());
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config["uniq_id"] = str;
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JsonObject dev = config.createNestedObject("dev");
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JsonArray ids = dev.createNestedArray("ids");
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ids.add("ems-esp");
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char topic[Mqtt::MQTT_TOPIC_MAX_SIZE];
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snprintf(topic, sizeof(topic), "sensor/%s/analogsensor_%d/config", Mqtt::base().c_str(), sensor.id());
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Mqtt::publish_ha(topic, config.as<JsonObject>());
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sensor.ha_registered = true;
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}
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} else {
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// not nested
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doc[sensor.name()] = sensor.value();
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}
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}
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}
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Mqtt::publish(F("analogsensor_data"), doc.as<JsonObject>());
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}
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// called from emsesp.cpp, similar to the emsdevice->get_value_info
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// searches by name
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bool AnalogSensor::get_value_info(JsonObject & output, const char * cmd, const int8_t id) const {
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for (const auto & sensor : sensors_) {
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if (strcmp(cmd, sensor.name().c_str()) == 0) {
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output["id"] = sensor.id();
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output["name"] = sensor.name();
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output["type"] = sensor.type();
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output["uom"] = sensor.uom();
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output["offset"] = sensor.offset();
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output["factor"] = sensor.factor();
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output["value"] = sensor.value();
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return true;
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}
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}
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return false;
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}
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// creates JSON doc from values
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// returns false if there are no sensors
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bool AnalogSensor::command_info(const char * value, const int8_t id, JsonObject & output) const {
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if (sensors_.empty()) {
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return false;
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}
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for (const auto & sensor : sensors_) {
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if (id == -1) { // show number and id
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JsonObject dataSensor = output.createNestedObject(sensor.name());
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dataSensor["id"] = sensor.id();
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dataSensor["type"] = FL_(enum_sensortype)[sensor.type()];
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if (sensor.type() == AnalogType::ADC) {
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dataSensor["uom"] = EMSdevice::uom_to_string(sensor.uom());
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dataSensor["offset"] = sensor.offset();
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dataSensor["factor"] = sensor.factor();
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} else if (sensor.type() == AnalogType::COUNTER) {
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|
dataSensor["uom"] = EMSdevice::uom_to_string(sensor.uom());
|
|
dataSensor["start_value"] = sensor.offset();
|
|
dataSensor["factor"] = sensor.factor();
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|
} else if (sensor.type() == AnalogType::TIMER || sensor.type() == AnalogType::RATE) {
|
|
dataSensor["factor"] = sensor.factor();
|
|
} else if (sensor.type() >= AnalogType::PWM_0) {
|
|
dataSensor["uom"] = EMSdevice::uom_to_string(sensor.uom());
|
|
dataSensor["frequency"] = sensor.factor();
|
|
}
|
|
dataSensor["value"] = sensor.value();
|
|
} else {
|
|
output[sensor.name()] = sensor.value();
|
|
}
|
|
}
|
|
|
|
return (output.size() > 0);
|
|
}
|
|
|
|
// this creates the sensor, initializing everything
|
|
AnalogSensor::Sensor::Sensor(const uint8_t id, const std::string & name, const float offset, const float factor, const uint8_t uom, const int8_t type)
|
|
: id_(id)
|
|
, name_(name)
|
|
, offset_(offset)
|
|
, factor_(factor)
|
|
, uom_(uom)
|
|
, type_(type) {
|
|
value_ = 0; // init value to 0 always
|
|
}
|
|
|
|
// returns name of the analog sensor or creates one if its empty
|
|
std::string AnalogSensor::Sensor::name() const {
|
|
if (name_.empty()) {
|
|
char name[50];
|
|
snprintf(name, sizeof(name), "Analog Sensor GPIO%d", id_);
|
|
return name;
|
|
}
|
|
return name_;
|
|
}
|
|
|
|
// set the counter value, id is gpio-no
|
|
bool AnalogSensor::command_setvalue(const char * value, const int8_t id) {
|
|
float val;
|
|
if (!Helpers::value2float(value, val)) {
|
|
return false;
|
|
}
|
|
for (auto & sensor : sensors_) {
|
|
if (sensor.id() == id) {
|
|
if (sensor.type() == AnalogType::COUNTER) {
|
|
if (val < 0 || value[0] == '+') { // sign corrects values
|
|
sensor.set_offset(sensor.value() + val);
|
|
sensor.set_value(sensor.value() + val);
|
|
} else { // positive values are set
|
|
sensor.set_offset(val);
|
|
sensor.set_value(val);
|
|
}
|
|
publish_sensor(sensor);
|
|
return true;
|
|
} else if (sensor.type() == AnalogType::ADC) {
|
|
sensor.set_offset(val);
|
|
return true;
|
|
} else if (sensor.type() == AnalogType::DIGITAL_OUT) {
|
|
uint8_t v = val;
|
|
if (sensor.id() == 25 || sensor.id() == 26) {
|
|
sensor.set_offset(v);
|
|
sensor.set_value(v);
|
|
pinMode(sensor.id(), OUTPUT);
|
|
dacWrite(sensor.id(), sensor.offset());
|
|
publish_sensor(sensor);
|
|
return true;
|
|
} else if (v == 0 || v == 1) {
|
|
sensor.set_offset(v);
|
|
sensor.set_value(v);
|
|
pinMode(sensor.id(), OUTPUT);
|
|
digitalWrite(sensor.id(), sensor.offset() > 0 ? 1 : 0);
|
|
publish_sensor(sensor);
|
|
return true;
|
|
}
|
|
} else if (sensor.type() >= AnalogType::PWM_0) {
|
|
uint8_t channel = sensor.type() - AnalogType::PWM_0;
|
|
if (val > 100) {
|
|
val = 100;
|
|
} else if (val < 0) {
|
|
val = 0;
|
|
}
|
|
sensor.set_offset(val);
|
|
sensor.set_value(val);
|
|
ledcWrite(channel, (uint32_t)(val * 8191 / 100));
|
|
publish_sensor(sensor);
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// list commands
|
|
bool AnalogSensor::command_commands(const char * value, const int8_t id, JsonObject & output) {
|
|
return Command::list(EMSdevice::DeviceType::ANALOGSENSOR, output);
|
|
}
|
|
|
|
// hard coded tests
|
|
#ifdef EMSESP_DEBUG
|
|
void AnalogSensor::test() {
|
|
sensors_.emplace_back(36, "test12", 0, 0.1, 17, AnalogType::ADC);
|
|
sensors_.back().set_value(12.4);
|
|
|
|
sensors_.emplace_back(37, "test13", 0, 0, 0, AnalogType::DIGITAL_IN);
|
|
sensors_.back().set_value(13);
|
|
}
|
|
#endif
|
|
|
|
} // namespace emsesp
|