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mcuTemp improvements

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* allow users to en/disable usermod
* limit rate of reading the sensor (once in 8 seconds)
* add slight filtering
* skip invalid readings
This commit is contained in:
Frank
2023-12-16 18:49:50 +01:00
parent 684bf0bd8b
commit c68890992c
1 changed files with 19 additions and 8 deletions
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27
usermods/mcu_temp/mcuTemp.h
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@@ -2,6 +2,9 @@
#include "wled.h"
// constants
#define MCUT_READ_TIME_MS 7500 // read once in 7.5 seconds
// class name. Use something descriptive and leave the ": public Usermod" part :)
class mcuTemp : public Usermod
{
@@ -25,27 +28,34 @@ public:
void loop()
{
static unsigned long lastMQQTTime = 0;
// if usermod is disabled or called during strip updating just exit
// NOTE: on very long strips strip.isUpdating() may always return true so update accordingly
if (!enabled || strip.isUpdating())
if (!enabled || (strip.isUpdating() && (millis() - lastTime < MCUT_READ_TIME_MS)))
return;
if (millis() - lastTime < MCUT_READ_TIME_MS) return; // reading each 8 seconds should be enough
#ifdef ESP8266 // ESP8266
// does not seem possible
mcutemp = -1;
#elif defined(CONFIG_IDF_TARGET_ESP32S2) // ESP32S2
mcutemp = -1;
#else // ESP32 ESP32S3 and ESP32C3
mcutemp = roundf(temperatureRead() * 100) / 100;
float newmcutemp = roundf(temperatureRead() * 10) / 10;
if (abs(newmcutemp - 53.3f) > 0.05f) mcutemp = (mcutemp + 2.0f * newmcutemp) / 3.0f; // skip error value (128 => 53.3deg), apply some filtering
#endif
if (millis() - lastTime > 10000)
#ifndef WLED_DISABLE_MQTT
if (millis() - lastMQQTTime > 15000)
{
char array[10];
snprintf(array, sizeof(array), "%f", mcutemp);
snprintf(array, sizeof(array), "%3.1f", mcutemp);
publishMqtt(array);
lastTime = millis();
lastMQQTTime = millis();
}
#endif
lastTime = millis();
}
/*
* addToJsonInfo() can be used to add custom entries to the /json/info part of the JSON API.
@@ -61,8 +71,9 @@ public:
// this code adds "u":{"ExampleUsermod":[20," lux"]} to the info object
// int reading = 20;
if (!enabled) return;
JsonArray lightArr = user.createNestedArray(FPSTR(_name)); // name
lightArr.add(mcutemp); // value
lightArr.add(roundf(10.0f * mcutemp)/10.0f); // value, rounded to 1 decimal
lightArr.add(F(" °C")); // unit
// if you are implementing a sensor usermod, you may publish sensor data
@@ -72,7 +83,7 @@ public:
// temp.add(reading);
// temp.add(F("lux"));
}
/*
void addToJsonState(JsonObject &root)
{
}
@@ -96,7 +107,7 @@ public:
void handleOverlayDraw()
{
}
*/
/*
* getId() allows you to optionally give your V2 usermod an unique ID (please define it in const.h!).
* This could be used in the future for the system to determine whether your usermod is installed.