PlantCtrl/esp32/src/PlantCtrl.cpp
2023-06-20 18:06:29 +02:00

277 lines
8.7 KiB
C++

/**
* @file PlantCtrl.cpp
* @author your name (you@domain.com)
* @brief
* @version 0.1
* @date 2020-05-27
*
* @copyright Copyright (c) 2020
*
*/
#include "PlantCtrl.h"
#include "ControllerConfiguration.h"
#include "TimeUtils.h"
#include "driver/pcnt.h"
#include "MQTTUtils.h"
Plant::Plant(int pinSensor, int pinPump, int plantId, HomieNode *plant, PlantSettings_t *setting, SENSOR_MODE mode)
{
this->mPinSensor = pinSensor;
this->mPinPump = pinPump;
this->mPlant = plant;
this->mSetting = setting;
this->mPlantId = plantId;
this->mSensorMode = mode;
}
void Plant::init(void)
{
/* Initialize Home Settings validator */
this->mSetting->pSensorDry->setDefaultValue(DEACTIVATED_PLANT);
this->mSetting->pSensorDry->setValidator([](long candidate)
{ return (((candidate >= 0.0) && (candidate <= 100.0)) || equalish(candidate, DEACTIVATED_PLANT) || equalish(candidate, HYDROPONIC_MODE) || equalish(candidate, TIMER_ONLY)); });
this->mSetting->pPumpAllowedHourRangeStart->setDefaultValue(5); // start at 5:00 UTC or 7:00 ECST
this->mSetting->pPumpAllowedHourRangeStart->setValidator([](long candidate)
{ return ((candidate >= 0) && (candidate <= 23)); });
this->mSetting->pPumpAllowedHourRangeEnd->setDefaultValue(18); // stop pumps at 18 UTC or 20:00 ECST
this->mSetting->pPumpAllowedHourRangeEnd->setValidator([](long candidate)
{ return ((candidate >= 0) && (candidate <= 23)); });
this->mSetting->pPumpOnlyWhenLowLight->setDefaultValue(false);
this->mSetting->pPumpCooldownInSeconds->setDefaultValue(60 * 60); // 1 hour
this->mSetting->pPumpCooldownInSeconds->setValidator([](long candidate)
{ return (candidate >= 0); });
this->mSetting->pPumpDuration->setDefaultValue(30);
this->mSetting->pPumpDuration->setValidator([](long candidate)
{ return ((candidate >= 0) && (candidate <= 1000)); });
this->mSetting->pPumpMl->setDefaultValue(1000);
this->mSetting->pPumpMl->setValidator([](long candidate)
{ return ((candidate >= 0) && (candidate <= 5000)); });
this->mSetting->pPumpPowerLevel->setDefaultValue(100);
this->mSetting->pPumpPowerLevel->setValidator([](long candidate)
{ return ((candidate >= 0) && (candidate <= 100)); });
/* Initialize Hardware */
ledcSetup(this->mPlantId, PWM_FREQ, PWM_BITS);
ledcAttachPin(mPinPump, this->mPlantId);
ledcWrite(this->mPlantId, 0);
pinMode(this->mPinSensor, INPUT);
}
void Plant::initSensors(void)
{
switch (getSensorMode())
{
case FREQUENCY_MOD_RESISTANCE_PROBE:
{
pcnt_unit_t unit = (pcnt_unit_t)(PCNT_UNIT_0 + this->mPlantId);
pcnt_config_t pcnt_config = {}; // Instancia PCNT config
pcnt_config.pulse_gpio_num = this->mPinSensor; // Configura GPIO para entrada dos pulsos
pcnt_config.ctrl_gpio_num = PCNT_PIN_NOT_USED; // Configura GPIO para controle da contagem
pcnt_config.unit = unit; // Unidade de contagem PCNT - 0
pcnt_config.channel = PCNT_CHANNEL_0; // Canal de contagem PCNT - 0
pcnt_config.counter_h_lim = INT16_MAX; // Limite maximo de contagem - 20000
pcnt_config.pos_mode = PCNT_COUNT_INC; // Incrementa contagem na subida do pulso
pcnt_config.neg_mode = PCNT_COUNT_DIS; // Incrementa contagem na descida do pulso
pcnt_config.lctrl_mode = PCNT_MODE_KEEP; // PCNT - modo lctrl desabilitado
pcnt_config.hctrl_mode = PCNT_MODE_KEEP; // PCNT - modo hctrl - se HIGH conta incrementando
pcnt_unit_config(&pcnt_config); // Configura o contador PCNT
pcnt_counter_pause(unit); // Pausa o contador PCNT
pcnt_counter_clear(unit); // Zera o contador PCNT
break;
}
case ANALOG_RESISTANCE_PROBE:
{
adcAttachPin(this->mPinSensor);
break;
}
case NONE:
{
// do nothing
break;
}
}
}
void Plant::blockingMoistureMeasurement(void)
{
switch (getSensorMode())
{
case ANALOG_RESISTANCE_PROBE:
{
for (int i = 0; i < ANALOG_REREADS; i++)
{
this->mMoisture_raw.add(analogReadMilliVolts(this->mPinSensor));
delay(5);
}
break;
}
case FREQUENCY_MOD_RESISTANCE_PROBE:
case NONE:
{
// nothing to do here
break;
}
}
}
void Plant::startMoistureMeasurement(void)
{
switch (getSensorMode())
{
case FREQUENCY_MOD_RESISTANCE_PROBE:
{
pcnt_unit_t unit = (pcnt_unit_t)(PCNT_UNIT_0 + this->mPlantId);
pcnt_counter_resume(unit);
break;
}
case ANALOG_RESISTANCE_PROBE:
case NONE:
{
// do nothing here
}
}
}
void Plant::stopMoistureMeasurement(void)
{
switch (getSensorMode())
{
case FREQUENCY_MOD_RESISTANCE_PROBE:
{
int16_t pulses;
pcnt_unit_t unit = (pcnt_unit_t)(PCNT_UNIT_0 + this->mPlantId);
pcnt_counter_pause(unit);
esp_err_t result = pcnt_get_counter_value(unit, &pulses);
pcnt_counter_clear(unit);
if (result != ESP_OK)
{
log(LOG_LEVEL_ERROR, LOG_HARDWARECOUNTER_ERROR_MESSAGE, LOG_HARDWARECOUNTER_ERROR_CODE);
this->mMoisture_raw.clear();
this->mMoisture_raw.add(-1);
}
else
{
this->mMoisture_raw.add(pulses * (1000 / MOISTURE_MEASUREMENT_DURATION));
}
break;
}
case ANALOG_RESISTANCE_PROBE:
case NONE:
{
break;
}
}
}
void Plant::postMQTTconnection(void)
{
const String OFF = String("OFF");
this->mConnected = true;
this->mPlant->setProperty("switch").send(OFF);
float pct = getCurrentMoisturePCT();
float raw = getCurrentMoistureRaw();
if (equalish(raw, MISSING_SENSOR))
{
pct = 0;
}
if (pct < 0)
{
pct = 0;
}
if (pct > 100)
{
pct = 100;
}
this->mPlant->setProperty("moist").send(String(pct));
this->mPlant->setProperty("sensormode").send(getSensorModeString());
this->mPlant->setProperty("moistraw").send(String(raw));
this->mPlant->setProperty("moisttrigger").send(String(getTargetMoisturePCT()));
}
void Plant::deactivatePump(void)
{
int plantId = this->mPlantId;
Serial << "deactivating pump " << plantId << endl;
ledcWrite(this->mPlantId, 0);
if (this->mConnected)
{
const String OFF = String("OFF");
this->mPlant->setProperty("switch").send(OFF);
}
}
void Plant::publishState(int stateNumber, String stateString)
{
String buffer;
StaticJsonDocument<200> doc;
if (this->mConnected)
{
doc["number"] = stateNumber;
doc["message"] = stateString;
serializeJson(doc, buffer);
this->mPlant->setProperty("state").send(buffer.c_str());
}
}
void Plant::activatePump(void)
{
int plantId = this->mPlantId;
Serial << "activating pump " << plantId << endl;
long desiredPowerLevelPercent = this->mSetting->pPumpPowerLevel->get();
ledcWrite(this->mPlantId, desiredPowerLevelPercent * PWM_BITS);
if (this->mConnected)
{
const String ON = String("ON");
this->mPlant->setProperty("switch").send(ON);
this->mPlant->setProperty("lastPump").send(String(getCurrentTime()));
}
}
bool Plant::switchHandler(const HomieRange &range, const String &value)
{
if (range.isRange)
{
return false; // only one switch is present
}
if ((value.equals("ON")) || (value.equals("On")) || (value.equals("on")) || (value.equals("true")))
{
this->activatePump();
return true;
}
else if ((value.equals("OFF")) || (value.equals("Off")) || (value.equals("off")) || (value.equals("false")))
{
this->deactivatePump();
return true;
}
else
{
return false;
}
}
void Plant::setSwitchHandler(HomieInternals::PropertyInputHandler f)
{
this->mPump.settable(f);
}
void Plant::advertise(void)
{
// Advertise topics
mPump = this->mPlant->advertise("switch").setName("Pump").setDatatype("Boolean");
this->mPlant->advertise("lastPump").setName("lastPump").setDatatype("Integer").setUnit("unixtime").setRetained(true);
this->mPlant->advertise("moist").setName("Percent").setDatatype("Float").setUnit("%").setRetained(true);
this->mPlant->advertise("moistraw").setName("frequency").setDatatype("Float").setUnit("hz").setRetained(true);
this->mPlant->advertise("state").setName("state").setDatatype("String").setRetained(true);
}