implement pull-up and -down

Gpio.cpp

@@ -75,7 +75,10 @@ void Gpio::init()
             case PinRole::GeneralOutput:
                 pinMode(entry.pin, OUTPUT);
                 break;
-            case PinRole::GeneralInput:
+            case PinRole::GeneralInputPullDown:
+                Gpio2Go::configurePin(entry.pin, PinMode::InputPullDown, InterruptMode::Change, 300);
+                break;
+            case PinRole::GeneralInputPullUp:
                 Gpio2Go::configurePin(entry.pin, PinMode::InputPullup, InterruptMode::Change, 300);
                 break;
             default:
@@ -198,7 +201,9 @@ String Gpio::getRoleDescription(PinRole role) const
             return "Output: High when RTO or CM active";
         case PinRole::GeneralOutput:
             return "General output";
-        case PinRole::GeneralInput:
+        case PinRole::GeneralInputPullDown:
+            return "General input (Pull-down)";
+        case PinRole::GeneralInputPullUp:
             return "General input (Pull-up)";
         default:
             return "Unknown";

Gpio.h

@@ -21,7 +21,8 @@ enum class PinRole
     OutputHighCmActive,
     OutputHighRtoOrCmActive,
     GeneralOutput,
-    GeneralInput
+    GeneralInputPullDown,
+    GeneralInputPullUp
 };
 
 enum class GpioAction
@@ -86,7 +87,8 @@ private:
             PinRole::OutputHighRtoActive,
             PinRole::OutputHighCmActive,
             PinRole::OutputHighRtoOrCmActive,
-            PinRole::GeneralInput,
+            PinRole::GeneralInputPullDown,
+            PinRole::GeneralInputPullUp,
             PinRole::GeneralOutput
         };
 

Network.cpp

@@ -224,7 +224,8 @@ void Network::initialize()
     {
         switch (pinEntry.role)
         {
-            case PinRole::GeneralInput:
+            case PinRole::GeneralInputPullDown:
+            case PinRole::GeneralInputPullUp:
                 if(rebGpio)
                 {
                     buildMqttPath(gpioPath, {mqtt_topic_gpio_prefix, (mqtt_topic_gpio_pin + std::to_string(pinEntry.pin)).c_str(), mqtt_topic_gpio_role});