Added Button-Function Rain/Normal Switch

Software/ChainLube/src/lubeapp.cpp

@@ -1,11 +1,40 @@
 #include "lubeapp.h"
 
-extern void LED_Process(tSystem_Status newStatus = sysStat_NOP);
-
 uint32_t lubePulseTimestamp = 0;
 
 void RunLubeApp(volatile uint32_t *wheelPulseCounter)
 {
+    static uint32_t buttonTimestamp = 0;
+    static boolean buttonActionDone = false;
+
+    if (digitalRead(GPIO_BUTTON) == LOW)
+    {
+        if (buttonTimestamp == 0)
+            buttonTimestamp = millis() + BUTTON_HOLD_DELAY;
+
+        if (buttonTimestamp < millis() && buttonActionDone == false)
+        {
+            switch (globals.systemStatus)
+            {
+            case sysStat_Normal:
+                globals.systemStatus = sysStat_Rain;
+                globals.resumeStatus = sysStat_Rain;
+                break;
+
+            case sysStat_Rain:
+                globals.systemStatus = sysStat_Normal;
+                globals.resumeStatus = sysStat_Normal;
+                break;
+            }
+            buttonActionDone = true;
+        }
+    }
+    else
+    {
+        buttonTimestamp = 0;
+        buttonActionDone = false;
+    }
+
     // Calculate traveled Distance in mm
     TravelDistance_highRes += (*wheelPulseCounter * (LubeConfig.DistancePerRevolution_mm / LubeConfig.PulsePerRevolution));
     *wheelPulseCounter = 0;

Software/ChainLube/src/lubeapp.h

@@ -8,6 +8,7 @@
 
 #define LUBE_PULSE_LENGHT_MS 100
 #define LUBE_PULSE_PAUSE_MS 100
+#define BUTTON_HOLD_DELAY 1000
 
 void RunLubeApp(volatile uint32_t * wheelPulseCounter);
 void LubePulse();