Seesaw Rotary (#7310)

* Initial add of Adafruit seesaw encoder

* Fully wire up seesaw

* Trunk

* Add #include configuration.h back to unbreak logging

* Tryfix the dumb compilation error

---------

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

src/input/SeesawRotary.cpp

@@ -0,0 +1,83 @@
+#ifdef ARCH_PORTDUINO
+#include "SeesawRotary.h"
+#include "input/InputBroker.h"
+
+using namespace concurrency;
+
+SeesawRotary *seesawRotary;
+
+SeesawRotary::SeesawRotary(const char *name) : OSThread(name)
+{
+    _originName = name;
+}
+
+bool SeesawRotary::init()
+{
+    if (inputBroker)
+        inputBroker->registerSource(this);
+
+    if (!ss.begin(SEESAW_ADDR)) {
+        return false;
+    }
+    // attachButtonInterrupts();
+
+    uint32_t version = ((ss.getVersion() >> 16) & 0xFFFF);
+    if (version != 4991) {
+        LOG_WARN("Wrong firmware loaded? %u", version);
+    } else {
+        LOG_INFO("Found Product 4991");
+    }
+    /*
+    #ifdef ARCH_ESP32
+        // Register callbacks for before and after lightsleep
+        // Used to detach and reattach interrupts
+        lsObserver.observe(&notifyLightSleep);
+        lsEndObserver.observe(&notifyLightSleepEnd);
+    #endif
+    */
+    ss.pinMode(SS_SWITCH, INPUT_PULLUP);
+
+    // get starting position
+    encoder_position = ss.getEncoderPosition();
+
+    ss.setGPIOInterrupts((uint32_t)1 << SS_SWITCH, 1);
+    ss.enableEncoderInterrupt();
+    canSleep = true; // Assume we should not keep the board awake
+
+    return true;
+}
+
+int32_t SeesawRotary::runOnce()
+{
+    InputEvent e;
+    e.inputEvent = INPUT_BROKER_NONE;
+    bool currentlyPressed = !ss.digitalRead(SS_SWITCH);
+
+    if (currentlyPressed && !wasPressed) {
+        e.inputEvent = INPUT_BROKER_SELECT;
+    }
+    wasPressed = currentlyPressed;
+
+    int32_t new_position = ss.getEncoderPosition();
+    // did we move arounde?
+    if (encoder_position != new_position) {
+        if (encoder_position == 0 && new_position != 1) {
+            e.inputEvent = INPUT_BROKER_ALT_PRESS;
+        } else if (new_position == 0 && encoder_position != 1) {
+            e.inputEvent = INPUT_BROKER_USER_PRESS;
+        } else if (new_position > encoder_position) {
+            e.inputEvent = INPUT_BROKER_USER_PRESS;
+        } else {
+            e.inputEvent = INPUT_BROKER_ALT_PRESS;
+        }
+        encoder_position = new_position;
+    }
+    if (e.inputEvent != INPUT_BROKER_NONE) {
+        e.source = this->_originName;
+        e.kbchar = 0x00;
+        this->notifyObservers(&e);
+    }
+
+    return 50;
+}
+#endif