RAK Rotary and simple up/down/press button support for Canned Messages

src/input/UpDownInterruptBase.cpp

@@ -0,0 +1,67 @@
+#include "configuration.h"
+#include "UpDownInterruptBase.h"
+
+UpDownInterruptBase::UpDownInterruptBase(
+    const char *name) :
+    concurrency::OSThread(name)
+{
+    this->_originName = name;
+}
+
+void UpDownInterruptBase::init(
+    uint8_t pinDown, uint8_t pinUp, uint8_t pinPress,
+    char eventDown, char eventUp, char eventPressed,
+    void (*onIntDown)(), void (*onIntUp)(), void (*onIntPress)())
+{
+    this->_pinDown = pinDown;
+    this->_pinUp = pinUp;
+    this->_eventDown = eventDown;
+    this->_eventUp = eventUp;
+    this->_eventPressed = eventPressed;
+
+    pinMode(pinPress, INPUT_PULLUP);
+    pinMode(this->_pinDown, INPUT_PULLUP);
+    pinMode(this->_pinUp, INPUT_PULLUP);
+
+    attachInterrupt(pinPress, onIntPress, RISING);
+    attachInterrupt(this->_pinDown, onIntDown, RISING);
+    attachInterrupt(this->_pinUp, onIntUp, RISING);
+
+    DEBUG_MSG("GPIO initialized (%d, %d, %d)\n",
+        this->_pinDown, this->_pinUp, pinPress);
+}
+
+int32_t UpDownInterruptBase::runOnce()
+{
+    return 30000; // TODO: technically this can be MAX_INT
+}
+
+void UpDownInterruptBase::intPressHandler()
+{
+    InputEvent e;
+    e.source = this->_originName;
+    DEBUG_MSG("GPIO event Press\n");
+    e.inputEvent = this->_eventPressed;
+    this->notifyObservers(&e);
+    setIntervalFromNow(20); // TODO: this modifies a non-volatile variable!
+}
+
+void UpDownInterruptBase::intDownHandler()
+{
+    InputEvent e;
+    e.source = this->_originName;
+    DEBUG_MSG("GPIO event Down\n");
+    e.inputEvent = this->_eventDown;
+    this->notifyObservers(&e);
+    setIntervalFromNow(20);
+}
+
+void UpDownInterruptBase::intUpHandler()
+{
+    InputEvent e;
+    e.source = this->_originName;
+    DEBUG_MSG("GPIO event Up\n");
+    e.inputEvent = this->_eventUp;
+    this->notifyObservers(&e);
+    setIntervalFromNow(20);
+}