first commit

Author: Juerd

LICENSE

@@ -0,0 +1 @@
+MIT

README

@@ -0,0 +1,12 @@
+
+Ledje:
+- eventjes aan: boot
+- uit + pulserend aan: idle
+- aan + pulserend uit: portal actief (access point)
+- lang aan: deurbel ingedrukt
+
+Knopje:
+- indrukken = ESP-WiFiSettings configuratieportal (access point)
+
+
+NB: de 5mm led op het bordje staat antiparallel aan de led in de opto.

platformio.ini

@@ -0,0 +1,26 @@
+[platforms]
+src_dir = .
+default_envs = serial
+
+[env]
+platform = espressif32
+board = lolin_c3_mini
+framework = arduino
+monitor_speed = 115200
+upload_speed = 921600
+upload_port = /dev/ttyACM*
+monitor_dtr = 0
+monitor_rts = 0
+board_build.partitions = default.csv
+build_unflags = 
+    -DARDUINO_USB_CDC_ON_BOOT=1
+    -DARDUINO_USB_MODE=1
+    -DPIO_FRAMEWORK_ARDUINO_ENABLE_CDC=1
+    -DUSBCON=1
+
+lib_deps =
+	ESP-WiFiSettings
+	MQTT
+
+[env:serial]
+upload_protocol = esptool

src/main.cpp

@@ -0,0 +1,82 @@
+#include <Arduino.h>
+#include <WiFi.h>
+#include <SPIFFS.h>
+#include <WiFiSettings.h>
+#include <MQTT.h>
+
+String topic;
+String value;
+MQTTClient mqtt;
+WiFiClient wificlient;
+
+int buttonpin = 9;
+int ledpin = 8;   // LOW = aan
+int bellpin = 4;
+
+int failures = 0;
+int max_failures = 10;
+
+void setup() {
+  Serial.begin(115200);  // Serial werkt niet. Geen idee waarom. De debugmeuk van esp-idf komt wel aan.
+  Serial.println("setup");
+  SPIFFS.begin(true);
+
+  pinMode(buttonpin, INPUT);
+  pinMode(bellpin, INPUT);
+  WiFiSettings.hostname = "deurbel2mqtt-";
+
+  String server = WiFiSettings.string("mqtt_server", 64, "10.42.42.10", "MQTT Server hostname");
+  int port      = WiFiSettings.integer("mqtt_port", 0, 65535, 1883, "MQTT Server port");
+  topic         = WiFiSettings.string("mqtt_topic", "revspace/button/doorbell", "MQTT topic");
+  value         = WiFiSettings.string("mqtt_value", "triiiiing", "MQTT topic");
+
+  pinMode(ledpin, OUTPUT);
+
+
+  WiFiSettings.onPortalWaitLoop = [] {
+    digitalWrite(ledpin, millis() % 1000 < 100);
+  };
+
+  for (int i = 0; i < 2000; i++) {
+    if (!digitalRead(buttonpin)) WiFiSettings.portal();
+    delay(1);
+  }
+
+  WiFiSettings.connect(false);
+  mqtt.begin(server.c_str(), port, wificlient);
+}
+
+void loop() {
+  digitalWrite(ledpin, millis() % 1000 < 900);
+
+  if (!mqtt.connected()) {
+    if (mqtt.connect(WiFiSettings.hostname.c_str())) {
+      failures = 0;
+    } else {
+      failures++;
+      if (failures >= max_failures) { delay(1000); ESP.restart(); }
+    }
+  }
+
+  if (!digitalRead(buttonpin)) {
+    delay(25);
+    if (!digitalRead(buttonpin)) {  // lompe debounce
+      WiFiSettings.portal();
+    }
+  }
+
+  if (!digitalRead(bellpin)) {
+    delay(25);
+    if (!digitalRead(bellpin)) {  // lompe debounce
+      digitalWrite(ledpin, LOW);
+      mqtt.publish(topic, value);
+      mqtt.loop();
+      delay(5000);  // nog lompere debounce
+      digitalWrite(ledpin, HIGH);
+    }
+  }
+
+  mqtt.loop();
+
+  delay(1);
+}