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fix one wire detection, allow multiple sensors and set per setting which one is which

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This commit is contained in:
Empire 2020-12-13 17:17:54 +01:00
parent dd1b96374c
commit f4c935879b
2 changed files with 107 additions and 73 deletions
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2
esp32/include/HomieConfiguration.h
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@ -55,6 +55,8 @@ HomieSetting<long> waterLevelMax("watermaxlevel", "distance (mm) at maximum wate
HomieSetting<long> waterLevelMin("waterminlevel", "distance (mm) at minimum water level (pumps still covered)");
HomieSetting<long> waterLevelWarn("waterlevelwarn", "warn (mm) if below this water level %");
HomieSetting<long> waterLevelVol("waterVolume", "(ml) between minimum and maximum");
HomieSetting<long> lipoSensorIndex("lipoTempIndex", "index onwire bus for lipo temperature sensor");
HomieSetting<long> waterSensorIndex("waterTempIndex", "index onwire bus for water temperature sensor");
HomieSetting<const char *> ntpServer("ntpServer", "NTP server (pool.ntp.org as default)");
/**

178
esp32/src/main.cpp
View File

@ -12,7 +12,7 @@
#include "PlantCtrl.h"
#include "ControllerConfiguration.h"
#include "HomieConfiguration.h"
#include "DS18B20.h"
#include "DallasTemperature.h"
#include <Homie.h>
#include "time.h"
#include "esp_sleep.h"
@ -20,6 +20,7 @@
#include "WakeReason.h"
#include <stdint.h>
#include <math.h>
#include <OneWire.h>
const unsigned long TEMPREADCYCLE = 30000; /**< Check temperature all half minutes */
@ -44,12 +45,14 @@ RTC_DATA_ATTR long gotoMode2AfterThisTimestamp = 0;
RTC_DATA_ATTR long rtcDeepSleepTime = 0; /**< Time, when the microcontroller shall be up again */
RTC_DATA_ATTR int lastPumpRunning = 0;
RTC_DATA_ATTR long lastWaterValue = 0;
RTC_DATA_ATTR float rtcLastTemp1 = 0.0f;
RTC_DATA_ATTR float rtcLastTemp2 = 0.0f;
RTC_DATA_ATTR float rtcLastLipoTemp = 0.0f;
RTC_DATA_ATTR float rtcLastWaterTemp = 0.0f;
RTC_DATA_ATTR float rtcLastBatteryVoltage = 0.0f;
RTC_DATA_ATTR float rtcLastSolarVoltage = 0.0f;
RTC_DATA_ATTR int gBootCount = 0;
RTC_DATA_ATTR int gCurrentPlant = 0; /**< Value Range: 1 ... 7 (0: no plant needs water) */
RTC_DATA_ATTR int rtcLipoTempIndex = -1;
RTC_DATA_ATTR int rtcWaterTempIndex = -1;
int wakeUpReason = WAKEUP_REASON_UNDEFINED;
bool volatile mode3Active = false; /**< Controller must not sleep */
@ -63,10 +66,11 @@ bool mConfigured = false;
RunningMedian lipoRawSensor = RunningMedian(5);
RunningMedian solarRawSensor = RunningMedian(5);
RunningMedian waterRawSensor = RunningMedian(5);
RunningMedian temp1 = RunningMedian(5);
RunningMedian temp2 = RunningMedian(5);
RunningMedian lipoTempSensor = RunningMedian(5);
RunningMedian waterTempSensor = RunningMedian(5);
Ds18B20 dallas(SENSOR_DS18B20);
OneWire oneWire(SENSOR_DS18B20);
DallasTemperature sensors(&oneWire);
Plant mPlants[MAX_PLANTS] = {
Plant(SENSOR_PLANT0, OUTPUT_PUMP0, 0, &plant0, &mSetting0),
@ -266,21 +270,24 @@ void mode2MQTT()
sensorSolar.setProperty("volt").send(String(getSolarVoltage()));
startupReason.setProperty("startupReason").send(String(wakeUpReason));
float t1 = temp1.getMedian();
if (t1 != NAN)
rtcLipoTempIndex = lipoSensorIndex.get();
rtcWaterTempIndex = waterSensorIndex.get();
float lipoTempCurrent = lipoTempSensor.getMedian();
if (lipoTempCurrent != NAN)
{
sensorTemp.setProperty("control").send(String(t1));
sensorTemp.setProperty("lipo").send(String(lipoTempCurrent));
}
float t2 = temp2.getMedian();
float t2 = waterTempSensor.getMedian();
if (t2 != NAN)
{
sensorTemp.setProperty("temp").send(String(t2));
sensorTemp.setProperty("water").send(String(t2));
}
//give mqtt time, use via publish callback instead?
delay(100);
bool lipoTempWarning = t1 != 85 && t2 != 85 && abs(t1 - t2) > 10;
bool lipoTempWarning = lipoTempCurrent != 85 && abs(lipoTempCurrent - t2) > 10;
if (lipoTempWarning)
{
Serial.println("Lipo temp incorrect, panic mode deepsleep TODO");
@ -378,8 +385,10 @@ void readDistance()
long start = millis();
while (!Serial.available())
{
if (start + 200 < millis())
if ((start + 500) < millis())
{
Serial << "Abort reading hall sensor, not measurement after 200ms" << endl;
waterRawSensor.add(0);
return;
}
}
@ -397,8 +406,6 @@ void readDistance()
*/
bool readSensors()
{
float temp[2] = {TEMP_MAX_VALUE, TEMP_MAX_VALUE};
float *pFloat = temp;
bool leaveMode1 = false;
Serial << "Read Sensors" << endl;
@ -409,6 +416,7 @@ bool readSensors()
digitalWrite(OUTPUT_SENSOR, HIGH);
delay(20);
sensors.begin();
/* wait before reading something */
for (int readCnt = 0; readCnt < AMOUNT_SENOR_QUERYS; readCnt++)
{
@ -432,58 +440,6 @@ bool readSensors()
}
}
Serial << "DS18B20" << endl;
/* Read the temperature sensors once, as first time 85 degree is returned */
Serial << "DS18B20" << String(dallas.readDevices()) << endl;
delay(200);
if (dallas.readDevices() > 0)
{
/* Required to read the temperature once */
int readAgain = 5;
while (readAgain > 0)
{
int sensors = dallas.readAllTemperatures(pFloat, 2);
if (sensors > 0)
{
Serial << "t1: " << String(temp[0]) << endl;
temp1.add(temp[0]);
}
if (sensors > 1)
{
Serial << "t2: " << String(temp[1]) << endl;
temp2.add(temp[1]);
}
if ((temp1.getAverage() - rtcLastTemp1 > TEMPERATURE_DELTA_TRIGGER_IN_C) ||
(rtcLastTemp1 - temp1.getAverage() > TEMPERATURE_DELTA_TRIGGER_IN_C))
{
leaveMode1 = true;
}
if ((temp2.getAverage() - rtcLastTemp2 > TEMPERATURE_DELTA_TRIGGER_IN_C) ||
(rtcLastTemp2 - temp2.getAverage() > TEMPERATURE_DELTA_TRIGGER_IN_C))
{
leaveMode1 = true;
}
if (!leaveMode1)
{
readAgain = 0;
}
readAgain--;
delay(50);
}
}
if (abs(temp1.getAverage() - rtcLastTemp1) > TEMPERATURE_DELTA_TRIGGER_IN_C)
{
leaveMode1 = true;
wakeUpReason = WAKEUP_REASON_TEMP1_CHANGE;
}
if (abs(temp2.getAverage() - rtcLastTemp2) > TEMPERATURE_DELTA_TRIGGER_IN_C)
{
wakeUpReason = WAKEUP_REASON_TEMP2_CHANGE;
leaveMode1 = true;
}
if (abs(getBatteryVoltage() - rtcLastBatteryVoltage) > LIPO_DELTA_VOLT_ADC)
{
wakeUpReason = WAKEUP_REASON_BATTERY_CHANGE;
@ -495,13 +451,87 @@ bool readSensors()
leaveMode1 = true;
}
rtcLastTemp1 = temp1.getAverage();
rtcLastTemp2 = temp2.getAverage();
rtcLastLipoTemp = lipoTempSensor.getAverage();
rtcLastWaterTemp = waterTempSensor.getAverage();
rtcLastBatteryVoltage = getBatteryVoltage();
rtcLastSolarVoltage = getSolarVoltage();
readDistance();
Serial << "Distance sensor " << waterRawSensor.getAverage() << " cm" << endl;
int sensorCount = 0;
int timeoutTemp = millis() + 2000;
while (sensorCount == 0 && millis() < timeoutTemp)
{
sensors.begin();
sensorCount = sensors.getDeviceCount();
Serial << "Waitloop: One wire count: " << sensorCount << endl;
delay(200);
}
Serial << "One wire count: " << sensorCount << endl;
if (sensorCount > 0)
{
/* Required to read the temperature once */
int readAgain = 5;
while (readAgain > 0)
{
sensors.requestTemperatures();
if (sensorCount > 0)
{
if (rtcLipoTempIndex != -1)
{
float temp1Raw = sensors.getTempCByIndex(rtcLipoTempIndex);
Serial << "lipoTempCurrent: " << temp1Raw << endl;
lipoTempSensor.add(temp1Raw);
}
else
{
Serial << "missing lipotemp, proceed to mode2: " << endl;
leaveMode1 = 1;
readAgain = 0;
wakeUpReason = WAKEUP_REASON_RTC_MISSING;
}
}
if (sensorCount > 1 && rtcWaterTempIndex != -1)
{
float temp2Raw = sensors.getTempCByIndex(rtcWaterTempIndex);
Serial << "waterTempCurrent: " << temp2Raw << endl;
waterTempSensor.add(temp2Raw);
}
if ((lipoTempSensor.getAverage() - rtcLastLipoTemp > TEMPERATURE_DELTA_TRIGGER_IN_C) ||
(rtcLastLipoTemp - lipoTempSensor.getAverage() > TEMPERATURE_DELTA_TRIGGER_IN_C))
{
leaveMode1 = true;
}
if ((waterTempSensor.getAverage() - rtcLastWaterTemp > TEMPERATURE_DELTA_TRIGGER_IN_C) ||
(rtcLastWaterTemp - waterTempSensor.getAverage() > TEMPERATURE_DELTA_TRIGGER_IN_C))
{
leaveMode1 = true;
}
if (!leaveMode1)
{
readAgain = 0;
}
readAgain--;
delay(50);
}
for (int i = 0; i < sensorCount; i++)
{
Serial << "OnwWire sensor " << i << " has value " << sensors.getTempCByIndex(i) << endl;
}
}
if (abs(lipoTempSensor.getAverage() - rtcLastLipoTemp) > TEMPERATURE_DELTA_TRIGGER_IN_C)
{
leaveMode1 = true;
wakeUpReason = WAKEUP_REASON_TEMP1_CHANGE;
}
if (abs(waterTempSensor.getAverage() - rtcLastWaterTemp) > TEMPERATURE_DELTA_TRIGGER_IN_C)
{
wakeUpReason = WAKEUP_REASON_TEMP2_CHANGE;
leaveMode1 = true;
}
/* deactivate the sensors */
digitalWrite(OUTPUT_SENSOR, LOW);
return leaveMode1;
@ -641,6 +671,7 @@ void systemInit()
// Set default values
//in seconds
maxTimeBetweenMQTTUpdates.setDefaultValue(120);
deepSleepTime.setDefaultValue(60);
deepSleepNightTime.setDefaultValue(600);
@ -651,7 +682,8 @@ void systemInit()
waterLevelMin.setDefaultValue(50); /* 5cm in mm */
waterLevelWarn.setDefaultValue(500); /* 50cm in mm */
waterLevelVol.setDefaultValue(5000); /* 5l in ml */
lipoSensorIndex.setDefaultValue(0);
waterSensorIndex.setDefaultValue(-1);
Homie.setLoopFunction(homieLoop);
Homie.onEvent(onHomieEvent);
//Homie.disableLogging();
@ -664,11 +696,11 @@ void systemInit()
{
mPlants[i].advertise();
}
sensorTemp.advertise("control")
sensorTemp.advertise("lipo")
.setName("Temperature")
.setDatatype("number")
.setUnit("°C");
sensorTemp.advertise("temp")
sensorTemp.advertise("water")
.setName("Temperature")
.setDatatype("number")
.setUnit("°C");