Files
WLED/usermods/BH1750_v2/BH1750_v2.h
Will Miles 1cd3a97c51 usermods: Fix 7sd_reloaded cross module binding
Fix up the cross module binding for
usermods/seven_segment_display_reloaded.  This requires splitting off
headers for BH1750_v2 and SN_Photoresistor.
2025-03-28 20:15:36 -04:00

93 lines
2.9 KiB
C++

#pragma once
#include "wled.h"
#include <BH1750.h>
#ifdef WLED_DISABLE_MQTT
#error "This user mod requires MQTT to be enabled."
#endif
// the max frequency to check photoresistor, 10 seconds
#ifndef USERMOD_BH1750_MAX_MEASUREMENT_INTERVAL
#define USERMOD_BH1750_MAX_MEASUREMENT_INTERVAL 10000
#endif
// the min frequency to check photoresistor, 500 ms
#ifndef USERMOD_BH1750_MIN_MEASUREMENT_INTERVAL
#define USERMOD_BH1750_MIN_MEASUREMENT_INTERVAL 500
#endif
// how many seconds after boot to take first measurement, 10 seconds
#ifndef USERMOD_BH1750_FIRST_MEASUREMENT_AT
#define USERMOD_BH1750_FIRST_MEASUREMENT_AT 10000
#endif
// only report if difference grater than offset value
#ifndef USERMOD_BH1750_OFFSET_VALUE
#define USERMOD_BH1750_OFFSET_VALUE 1
#endif
class Usermod_BH1750 : public Usermod
{
private:
int8_t offset = USERMOD_BH1750_OFFSET_VALUE;
unsigned long maxReadingInterval = USERMOD_BH1750_MAX_MEASUREMENT_INTERVAL;
unsigned long minReadingInterval = USERMOD_BH1750_MIN_MEASUREMENT_INTERVAL;
unsigned long lastMeasurement = UINT32_MAX - (USERMOD_BH1750_MAX_MEASUREMENT_INTERVAL - USERMOD_BH1750_FIRST_MEASUREMENT_AT);
unsigned long lastSend = UINT32_MAX - (USERMOD_BH1750_MAX_MEASUREMENT_INTERVAL - USERMOD_BH1750_FIRST_MEASUREMENT_AT);
// flag to indicate we have finished the first readLightLevel call
// allows this library to report to the user how long until the first
// measurement
bool getLuminanceComplete = false;
// flag set at startup
bool enabled = true;
// strings to reduce flash memory usage (used more than twice)
static const char _name[];
static const char _enabled[];
static const char _maxReadInterval[];
static const char _minReadInterval[];
static const char _offset[];
static const char _HomeAssistantDiscovery[];
bool initDone = false;
bool sensorFound = false;
// Home Assistant and MQTT
String mqttLuminanceTopic;
bool mqttInitialized = false;
bool HomeAssistantDiscovery = true; // Publish Home Assistant Discovery messages
BH1750 lightMeter;
float lastLux = -1000;
// set up Home Assistant discovery entries
void _mqttInitialize();
// Create an MQTT Sensor for Home Assistant Discovery purposes, this includes a pointer to the topic that is published to in the Loop.
void _createMqttSensor(const String &name, const String &topic, const String &deviceClass, const String &unitOfMeasurement);
public:
void setup();
void loop();
inline float getIlluminance() {
return (float)lastLux;
}
void addToJsonInfo(JsonObject &root);
// (called from set.cpp) stores persistent properties to cfg.json
void addToConfig(JsonObject &root);
// called before setup() to populate properties from values stored in cfg.json
bool readFromConfig(JsonObject &root);
inline uint16_t getId()
{
return USERMOD_ID_BH1750;
}
};