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Add HA discovery option to PIR sermod

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This commit is contained in:
Blaz Kristan 2022-10-24 21:25:23 +02:00
parent 779fd78091
commit 535f285287
1 changed files with 54 additions and 23 deletions
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77
usermods/PIR_sensor_switch/usermod_PIR_sensor_switch.h
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@ -22,36 +22,20 @@
*
* v2 usermods are class inheritance based and can (but don't have to) implement more functions, each of them is shown in this example.
* Multiple v2 usermods can be added to one compilation easily.
*
* Creating a usermod:
* This file serves as an example. If you want to create a usermod, it is recommended to use usermod_v2_empty.h from the usermods folder as a template.
* Please remember to rename the class and file to a descriptive name.
* You may also use multiple .h and .cpp files.
*
* Using a usermod:
* 1. Copy the usermod into the sketch folder (same folder as wled00.ino)
* 2. Register the usermod by adding #include "usermod_filename.h" in the top and registerUsermod(new MyUsermodClass()) in the bottom of usermods_list.cpp
*/
class PIRsensorSwitch : public Usermod
{
public:
/**
* constructor
*/
// constructor
PIRsensorSwitch() {}
/**
* desctructor
*/
// destructor
~PIRsensorSwitch() {}
/**
* Enable/Disable the PIR sensor
*/
//Enable/Disable the PIR sensor
void EnablePIRsensor(bool en) { enabled = en; }
/**
* Get PIR sensor enabled/disabled state
*/
// Get PIR sensor enabled/disabled state
bool PIRsensorEnabled() { return enabled; }
private:
@ -78,6 +62,9 @@ private:
bool m_offOnly = false;
bool m_offMode = offMode;
// Home Assistant
bool HomeAssistantDiscovery = false; // is HA discovery turned on
// strings to reduce flash memory usage (used more than twice)
static const char _name[];
static const char _switchOffDelay[];
@ -87,6 +74,7 @@ private:
static const char _nightTime[];
static const char _mqttOnly[];
static const char _offOnly[];
static const char _haDiscovery[];
static const char _notify[];
/**
@ -167,7 +155,7 @@ private:
void publishMqtt(const char* state)
{
//Check if MQTT Connected, otherwise it will crash the 8266
if (WLED_MQTT_CONNECTED){
if (WLED_MQTT_CONNECTED) {
char subuf[64];
strcpy(subuf, mqttDeviceTopic);
strcat_P(subuf, PSTR("/motion"));
@ -175,6 +163,35 @@ private:
}
}
// Create an MQTT Binary Sensor for Home Assistant Discovery purposes, this includes a pointer to the topic that is published to in the Loop.
void _createMqttBinarySensor(const String &name, const String &topic, const String &deviceClass)
{
StaticJsonDocument<600> doc;
doc[F("name")] = String(serverDescription) + " " + name;
doc[F("state_topic")] = topic;
doc[F("payload_on")] = "on";
doc[F("payload_off")] = "off";
doc[F("unique_id")] = String(mqttClientID) + name;
if (deviceClass != "")
doc[F("device_class")] = deviceClass;
doc[F("expire_after")] = 1800;
JsonObject device = doc.createNestedObject(F("device")); // attach the sensor to the same device
device[F("name")] = serverDescription;
device[F("identifiers")] = String(F("wled-sensor-")) + mqttClientID;
device[F("manufacturer")] = "WLED";
device[F("model")] = F("FOSS");
device[F("sw_version")] = versionString;
String temp;
serializeJson(doc, temp);
DEBUG_PRINTLN(topic);
DEBUG_PRINTLN(temp);
mqtt->publish(topic.c_str(), 0, true, temp.c_str()); // do we really need to retain?
}
/**
* Read and update PIR sensor state.
* Initilize/reset switch off timer
@ -249,6 +266,11 @@ public:
*/
void connected()
{
if (WLED_MQTT_CONNECTED) {
if (HomeAssistantDiscovery) {
_createMqttBinarySensor(String(F("Motion")), mqttDeviceTopic + String(F("/motion")), F("motion"));
}
}
}
/**
@ -371,10 +393,17 @@ public:
top[FPSTR(_nightTime)] = m_nightTimeOnly;
top[FPSTR(_mqttOnly)] = m_mqttOnly;
top[FPSTR(_offOnly)] = m_offOnly;
top[FPSTR(_haDiscovery)] = HomeAssistantDiscovery;
top[FPSTR(_notify)] = (NotifyUpdateMode != CALL_MODE_NO_NOTIFY);
DEBUG_PRINTLN(F("PIR config saved."));
}
void appendConfigData()
{
oappend(SET_F("addInfo('PIRsensorSwitch:HA-discovery',1,'HA=Home Assistant');")); // 0 is field type, 1 is actual field
oappend(SET_F("addInfo('PIRsensorSwitch:notifications',1,'Periodic WS updates');")); // 0 is field type, 1 is actual field
}
/**
* restore the changeable values
* readFromConfig() is called before setup() to populate properties from values stored in cfg.json
@ -407,6 +436,7 @@ public:
m_nightTimeOnly = top[FPSTR(_nightTime)] | m_nightTimeOnly;
m_mqttOnly = top[FPSTR(_mqttOnly)] | m_mqttOnly;
m_offOnly = top[FPSTR(_offOnly)] | m_offOnly;
HomeAssistantDiscovery = top[FPSTR(_haDiscovery)] | HomeAssistantDiscovery;
NotifyUpdateMode = top[FPSTR(_notify)] ? CALL_MODE_DIRECT_CHANGE : CALL_MODE_NO_NOTIFY;
@ -435,7 +465,7 @@ public:
DEBUG_PRINTLN(F(" config (re)loaded."));
}
// use "return !top["newestParameter"].isNull();" when updating Usermod with new features
return !top[FPSTR(_notify)].isNull();
return !top[FPSTR(_haDiscovery)].isNull();
}
/**
@ -457,4 +487,5 @@ const char PIRsensorSwitch::_offPreset[] PROGMEM = "off-preset";
const char PIRsensorSwitch::_nightTime[] PROGMEM = "nighttime-only";
const char PIRsensorSwitch::_mqttOnly[] PROGMEM = "mqtt-only";
const char PIRsensorSwitch::_offOnly[] PROGMEM = "off-only";
const char PIRsensorSwitch::_haDiscovery[] PROGMEM = "HA-discovery";
const char PIRsensorSwitch::_notify[] PROGMEM = "notifications";