ESPresense/src/MotionSensors.cpp

137 lines
4.6 KiB
C++

#include "MotionSensors.h"
#include <WiFiSettings.h>
#include <AsyncMqttClient.h>
// for #define ESPMAC
#include "string_utils.h"
#include "defaults.h"
#include "GUI.h"
// TODO: Not a fan of externs, but this helps refactoring for now
extern char buffer[2048];
extern String room;
extern String roomsTopic;
extern void commonDiscovery();
extern bool sendNumberDiscovery(const String& name, const String& entityCategory);
extern bool pub(const char *topic, uint8_t qos, bool retain, const char *payload, size_t length = 0, bool dup = false, uint16_t message_id = 0);
extern bool spurt(const String& fn, const String& content);
namespace Motion
{
int lastMotionValue = -1;
int pirPin = 0;
float pirTimeout = 0;
int lastPirValue = -1;
unsigned long lastPirMilli = 0;
int radarPin = 0;
float radarTimeout = 0;
int lastRadarValue = -1;
unsigned long lastRadarMilli = 0;
void Setup()
{
if (pirPin)
pinMode(pirPin, INPUT_PULLUP);
if (radarPin)
pinMode(radarPin, INPUT_PULLUP);
}
void ConnectToWifi()
{
pirPin = WiFiSettings.integer("pir_pin", 0, "PIR motion pin (0 for disable)");
pirTimeout = WiFiSettings.floating("pir_timeout", 0, 300, DEFAULT_DEBOUNCE_TIMEOUT, "PIR motion timeout (in seconds)");
radarPin = WiFiSettings.integer("radar_pin", 0, "Radar motion pin (0 for disable)");
radarTimeout = WiFiSettings.floating("radar_timeout", 0, 300, DEFAULT_DEBOUNCE_TIMEOUT, "Radar motion timeout (in seconds)");
}
void SerialReport()
{
Serial.print("PIR Sensor: ");
Serial.println(pirPin ? "enabled" : "disabled");
Serial.print("Radar Sensor: ");
Serial.println(radarPin ? "enabled" : "disabled");
}
static void PirLoop(AsyncMqttClient& mqttClient)
{
if (!pirPin) return;
bool detected = digitalRead(pirPin) == HIGH;
if (detected) lastPirMilli = millis();
unsigned long since = millis() - lastPirMilli;
int pirValue = (detected || since < (pirTimeout * 1000)) ? HIGH : LOW;
if (lastPirValue == pirValue) return;
mqttClient.publish((roomsTopic + "/pir").c_str(), 0, true, pirValue == HIGH ? "ON" : "OFF");
GUI::pir(pirValue == HIGH);
lastPirValue = pirValue;
}
static void RadarLoop(AsyncMqttClient& mqttClient)
{
if (!radarPin) return;
bool detected = digitalRead(radarPin) == HIGH;
if (detected) lastRadarMilli = millis();
unsigned long since = millis() - lastRadarMilli;
int radarValue = (detected || since < (radarTimeout * 1000)) ? HIGH : LOW;
if (lastRadarValue == radarValue) return;
mqttClient.publish((roomsTopic + "/radar").c_str(), 0, true, radarValue == HIGH ? "ON" : "OFF");
GUI::radar(radarValue == HIGH);
lastRadarValue = radarValue;
}
void Loop(AsyncMqttClient& mqttClient)
{
PirLoop(mqttClient);
RadarLoop(mqttClient);
int motionValue = (lastRadarValue == HIGH || lastPirValue == HIGH) ? HIGH : LOW;
if (lastMotionValue == motionValue) return;
mqttClient.publish((roomsTopic + "/motion").c_str(), 0, true, motionValue == HIGH ? "ON" : "OFF");
lastMotionValue = motionValue;
}
bool SendDiscovery(DynamicJsonDocument& doc)
{
if (!pirPin && !radarPin)
return true;
commonDiscovery();
doc["~"] = roomsTopic;
doc["name"] = "ESPresense " + room + " Motion";
doc["uniq_id"] = Sprintf("espresense_%06lx_motion", CHIPID);
doc["avty_t"] = "~/status";
doc["stat_t"] = "~/motion";
doc["dev_cla"] = "motion";
serializeJson(doc, buffer);
String discoveryTopic = "homeassistant/binary_sensor/espresense_" + ESPMAC + "/motion/config";
if (!pub(discoveryTopic.c_str(), 0, true, buffer)) return false;
return (!pirPin || sendNumberDiscovery("Pir Timeout", EC_CONFIG)) && (!radarPin || sendNumberDiscovery("Radar Timeout", EC_CONFIG));
}
bool Command(String& command, String& pay)
{
if (command == "pir_timeout")
{
pirTimeout = pay.toInt();
spurt("/pir_timeout", pay);
}
else if (command == "radar_timeout")
{
radarTimeout = pay.toInt();
spurt("/radar_timeout", pay);
}
else return false;
return true;
}
bool SendOnline(DynamicJsonDocument& doc)
{
return pub((roomsTopic + "/pir_timeout").c_str(), 0, true, String(pirTimeout).c_str())
&& pub((roomsTopic + "/radar_timeout").c_str(), 0, true, String(radarTimeout).c_str());
}
}