From aa2cf99d6d2f54f10d081981eae1ef65e0853cfb Mon Sep 17 00:00:00 2001
From: Hendrik Langer <hendrik+dev@xd0.de>
Date: Thu, 15 Feb 2018 18:34:06 +0100
Subject: [PATCH] add PIR

---
 src/hardware.h |  4 ++--
 src/main.cpp   | 37 +++++++++++++++++++++++++++++++++----
 2 files changed, 35 insertions(+), 6 deletions(-)

diff --git a/src/hardware.h b/src/hardware.h
index b38cd81..c726d34 100644
--- a/src/hardware.h
+++ b/src/hardware.h
@@ -5,7 +5,7 @@
 // LED_BUILTIN = 2
 // KEY_BUILTIN = 0
 static constexpr uint8_t buttonPin = 0;
-static constexpr uint8_t sensorPin = 0;
+static constexpr uint8_t sensorPin = 36;
 static constexpr uint8_t rotaryPinA = 35;
 static constexpr uint8_t rotaryPinB = 34;
 static constexpr uint8_t rotaryPinButton = 2;
@@ -13,7 +13,7 @@ static constexpr uint8_t PROGMEM LED_PIN = 21;
 static constexpr uint8_t PROGMEM NUM_LEDS = 10;
 #define LED_TYPE	WS2812B
 #define COLOR_ORDER	GRB
-static constexpr uint8_t ext_wakeup_pin_1 = 0;
+static constexpr uint8_t ext_wakeup_pin_1 = sensorPin;
 static constexpr uint8_t ext_wakeup_pin_2 = 0;
 
 static constexpr uint32_t secondsToSleep = 15*60;
diff --git a/src/main.cpp b/src/main.cpp
index 99ef8de..f7863e1 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -66,17 +66,21 @@ Led led;
 
 menuType menuChange = eNone;
 uint32_t lastButtonPress = 0;
+uint32_t lastActive = 0;
 uint32_t lastUpdate = 0;
 uint32_t lastTransmit = 0;
+bool sensorON = false;
 
 //Variables for the mqtt packages and topics
 String commandTopic;
 String weatherTopic;
 String statusTopic;
+String sensorTopic;
 
 void setup() {
   // gpio configuration
   pinMode(buttonPin, INPUT_PULLUP);
+  pinMode(sensorPin, INPUT_PULLDOWN);
   pinMode(18, OUTPUT);
   digitalWrite(18, HIGH); // disable LoRa_CS
 
@@ -91,6 +95,7 @@ void setup() {
   commandTopic = "esp32-node/cmd/" + iot.hostname + "/play";
   weatherTopic = "esp32-node/stat/" + iot.hostname + "/weather";
   statusTopic = "esp32-node/stat/" + iot.hostname + "/status";
+  sensorTopic = "esp32-node/stat/" + iot.hostname + "/sensor";
 
 /*
     //Use the web object to add elements to the interface
@@ -178,6 +183,8 @@ void setup() {
   //iot.mqtt.onPublish(NULL);
   iot.mqtt.onMessage(onMqttMessage);
 
+  iot.mqtt.setWill(sensorTopic.c_str(), 0, false, "OFFLINE");
+
   while (iot.wifi.status() != WL_CONNECTED) {
     delay(500);
     Serial.print(".");
@@ -194,6 +201,8 @@ void setup() {
         // update 'now' variable with current time
         time(&now);
     }
+  localtime_r(&now, &timeinfo);
+  strftime(timeStr, sizeof(timeStr), "%H:%M:%S", &timeinfo);
 
   if (timeinfo.tm_hour < 7 || timeinfo.tm_hour > 23) u8g2.setContrast(1);
   else u8g2.setContrast(127);
@@ -204,6 +213,16 @@ void setup() {
   lastButtonPress = millis();
   rotary.registerCallback(rotation);
   rotary.begin(rotaryPinA, rotaryPinB, rotaryPinButton);
+
+  if (wakeup_reason == ESP_SLEEP_WAKEUP_EXT1) {
+    uint64_t wakeup_pinmask = esp_sleep_get_ext1_wakeup_status();
+    if (wakeup_pinmask & (1ULL << ext_wakeup_pin_1)) {
+      uint16_t statusPacketIdSub = iot.mqtt.publish(sensorTopic.c_str(), 0, false, timeStr);
+      sensorON = true;
+    }
+  }
+
+  lastActive = millis();
 }
 
 
@@ -291,7 +310,8 @@ void suspend(uint32_t secondsToSleep) {
   esp_sleep_enable_ext1_wakeup(ext_wakeup_rotarybtn_mask, ESP_EXT1_WAKEUP_ANY_HIGH);
 
 ////esp_sleep_enable_ext0_wakeup((gpio_num_t)sensorPin, 0);
-//  const uint64_t ext_wakeup_pin_1_mask = 1ULL << ext_wakeup_pin_1;
+  const uint64_t ext_wakeup_pin_1_mask = 1ULL << ext_wakeup_pin_1;
+  esp_sleep_enable_ext1_wakeup(ext_wakeup_pin_1_mask, ESP_EXT1_WAKEUP_ANY_HIGH);
 //  const uint64_t ext_wakeup_pin_2_mask = 1ULL << ext_wakeup_pin_2;
 ////  esp_sleep_enable_ext1_wakeup(ext_wakeup_pin_1_mask | ext_wakeup_pin_2_mask, ESP_EXT1_WAKEUP_ANY_HIGH);
 //
@@ -367,7 +387,7 @@ void rotation(int i, int direction, int buttonPressed) {
   }
   if (direction == 1) screen->next();
   else if (direction == -1) screen->previous();
-  Serial.println("rotation call returned");
+  lastActive = millis();
 }
 
 
@@ -385,12 +405,12 @@ void loop()
 
     bool stayAwake = false;
     if (alarmArmed && seconds >= -2*5*60) stayAwake = true;
-    if (!mp3.playing && millis() - lastButtonPress >= 60*1000 && !stayAwake) suspend();
+    if (!mp3.playing && millis() - lastActive >= 60*1000 && !stayAwake) suspend();
 
     Serial.printf("alarm in %f seconds (%d)\n", seconds, alarmArmed);
     if (seconds >= 0 && alarmArmed) {
       alarmArmed = false;
-      lastButtonPress = millis();
+      lastActive = millis();
       led.wakeUpLight(0);
       Serial.println("WAKEUP TIME!!!!!");
 //      mp3.setVolume(10);
@@ -414,6 +434,15 @@ void loop()
     Serial.print("Free Heap: ");
     Serial.println(ESP.getFreeHeap());
 
+    if (digitalRead(sensorPin) == HIGH) {
+      lastActive = millis();
+    }
+
+    if (sensorON && digitalRead(sensorPin)) {
+      uint16_t statusPacketIdSub = iot.mqtt.publish(sensorTopic.c_str(), 0, false, "OFF");
+      sensorON = false;
+    }
+
   }
 
   if(millis() - lastTransmit >= 60*1000) {