Code cleanups

main/feature_switch.cpp

@@ -0,0 +1,66 @@
+#include "feature_switch.h"
+
+// Arduino includes
+#include <Arduino.h>
+
+// local includes
+#include "myconfig.h"
+#include "mymqtt.h"
+#include "feature_lamp.h"
+
+namespace deckenlampe {
+std::atomic<bool> switchState;
+
+namespace {
+uint8_t switchDebounce{};
+
+bool readSwitch();
+} // namespace
+
+void init_switch()
+{
+    if (!config::enable_switch)
+        return;
+
+    pinMode(config::pins_switch, INPUT);
+}
+
+void update_switch()
+{
+    if (!config::enable_switch)
+        return;
+
+    const auto newState = readSwitch();
+    if (newState == switchState.load())
+        switchDebounce = 0;
+    else {
+        switchDebounce++;
+        if (switchDebounce >= 10) {
+            switchDebounce = 0;
+
+            switchState = newState;
+
+            if (mqttClient && mqttConnected)
+                mqttVerbosePub(config::topic_switch_status, switchState ? "ON" : "OFF", 0, 1);
+
+            if (config::enable_lamp) {
+                lampState = !lampState;
+                writeLamp(lampState);
+
+                if (mqttClient && mqttConnected)
+                    mqttVerbosePub(config::topic_lamp_status, lampState ? "ON" : "OFF", 0, 1);
+            }
+        }
+    }
+}
+
+namespace {
+bool readSwitch()
+{
+    bool state = digitalRead(config::pins_switch) == HIGH;
+    if (config::invert_switch)
+        state = !state;
+    return state;
+}
+} // namespace
+} // namespace deckenlampe