Add GPIO edge for Native Trackball/Joystick (#7212)

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>

bin/config.d/display-waveshare-1-44.yaml

@@ -22,5 +22,5 @@ Input:
   TrackballLeft: 5
   TrackballRight: 26
   TrackballPress: 13
-
+  TrackballDirection: FALLING
 #  User: 21

src/input/TrackballInterruptBase.h

@@ -4,8 +4,13 @@
 #include "mesh/NodeDB.h"
 
 #ifndef TB_DIRECTION
+#if ARCH_PORTDUINO
+#include "PortduinoGlue.h"
+#define TB_DIRECTION (PinStatus) settingsMap[tbDirection]
+#else
 #define TB_DIRECTION RISING
 #endif
+#endif
 
 class TrackballInterruptBase : public Observable<const InputEvent *>, public concurrency::OSThread
 {

src/platform/portduino/PortduinoGlue.cpp

@@ -642,6 +642,11 @@ bool loadConfig(const char *configPath)
             settingsMap[tbLeftPin] = yamlConfig["Input"]["TrackballLeft"].as<int>(RADIOLIB_NC);
             settingsMap[tbRightPin] = yamlConfig["Input"]["TrackballRight"].as<int>(RADIOLIB_NC);
             settingsMap[tbPressPin] = yamlConfig["Input"]["TrackballPress"].as<int>(RADIOLIB_NC);
+            if (yamlConfig["Input"]["TrackballDirection"].as<std::string>("RISING") == "RISING") {
+                settingsMap[tbDirection] = 4;
+            } else if (yamlConfig["Input"]["TrackballDirection"].as<std::string>("RISING") == "FALLING") {
+                settingsMap[tbDirection] = 3;
+            }
         }
 
         if (yamlConfig["Webserver"]) {

src/platform/portduino/PortduinoGlue.h

@@ -63,6 +63,7 @@ enum configNames {
     tbLeftPin,
     tbRightPin,
     tbPressPin,
+    tbDirection,
     spidev,
     spiSpeed,
     i2cdev,