Relocate 'input' folder.

2025-12-21 10:12:50 +00:00 · 2022-01-13 14:06:10 +01:00
parent 33f08364e4
commit 41de8a1309
8 changed files with 10 additions and 10 deletions
--- a/src/input/RotaryEncoderInterruptBase.cpp
+++ b/src/input/RotaryEncoderInterruptBase.cpp
@@ -0,0 +1,148 @@
+#include "configuration.h"
+#include "RotaryEncoderInterruptBase.h"
+
+RotaryEncoderInterruptBase::RotaryEncoderInterruptBase(
+    const char *name) :
+    concurrency::OSThread(name)
+{
+    this->_originName = name;
+}
+
+void RotaryEncoderInterruptBase::init(
+    uint8_t pinA, uint8_t pinB, uint8_t pinPress,
+    char eventCw, char eventCcw, char eventPressed,
+//    std::function<void(void)> onIntA, std::function<void(void)> onIntB, std::function<void(void)> onIntPress) :
+    void (*onIntA)(), void (*onIntB)(), void (*onIntPress)())
+{
+    this->_pinA = pinA;
+    this->_pinB = pinB;
+    this->_eventCw = eventCw;
+    this->_eventCcw = eventCcw;
+    this->_eventPressed = eventPressed;
+
+    pinMode(pinPress, INPUT_PULLUP);
+    pinMode(this->_pinA, INPUT_PULLUP);
+    pinMode(this->_pinB, INPUT_PULLUP);
+
+//    attachInterrupt(pinPress, onIntPress, RISING);
+    attachInterrupt(pinPress, onIntPress, RISING);
+    attachInterrupt(this->_pinA, onIntA, CHANGE);
+    attachInterrupt(this->_pinB, onIntB, CHANGE);
+
+    this->rotaryLevelA = digitalRead(this->_pinA);
+    this->rotaryLevelB = digitalRead(this->_pinB);
+    DEBUG_MSG("Rotary initialized (%d, %d, %d)\n",
+        this->_pinA, this->_pinB, pinPress);
+}
+
+
+int32_t RotaryEncoderInterruptBase::runOnce()
+{
+    InputEvent e;
+    e.inputEvent = InputEventChar_NULL;
+    e.source = this->_originName;
+
+    if (this->action == ROTARY_ACTION_PRESSED)
+    {
+        DEBUG_MSG("Rotary event Press\n");
+        e.inputEvent = this->_eventPressed;
+    }
+    else if (this->action == ROTARY_ACTION_CW)
+    {
+        DEBUG_MSG("Rotary event CW\n");
+        e.inputEvent = this->_eventCw;
+    }
+    else if (this->action == ROTARY_ACTION_CCW)
+    {
+        DEBUG_MSG("Rotary event CW\n");
+        e.inputEvent = this->_eventCcw;
+    }
+
+    if (e.inputEvent != InputEventChar_NULL)
+    {
+        this->notifyObservers(&e);
+    }
+
+    this->action = ROTARY_ACTION_NONE;
+
+    return 30000; // TODO: technically this can be MAX_INT
+}
+
+
+void RotaryEncoderInterruptBase::intPressHandler()
+{
+    this->action = ROTARY_ACTION_PRESSED;
+    setIntervalFromNow(20); // TODO: this modifies a non-volatile variable!
+}
+
+void RotaryEncoderInterruptBase::intAHandler()
+{
+    // CW rotation (at least on most common rotary encoders)
+    int currentLevelA = digitalRead(this->_pinA);
+    if (this->rotaryLevelA == currentLevelA)
+    {
+        return;
+    }
+    this->rotaryLevelA = currentLevelA;
+    intHandler(
+        currentLevelA == HIGH,
+        this->rotaryLevelB,
+        ROTARY_ACTION_CCW,
+        this->rotaryStateCCW);
+}
+
+void RotaryEncoderInterruptBase::intBHandler()
+{
+    // CW rotation (at least on most common rotary encoders)
+    int currentLevelB = digitalRead(this->_pinB);
+    if (this->rotaryLevelB == currentLevelB)
+    {
+        return;
+    }
+    this->rotaryLevelB = currentLevelB;
+    this->rotaryStateCW = intHandler(
+        currentLevelB == HIGH,
+        this->rotaryLevelA,
+        ROTARY_ACTION_CW,
+        this->rotaryStateCW);
+}
+
+/**
+ * @brief Rotary action implementation.
+ *   We assume, the following pin setup:
+ *    A   --||
+ *    GND --||]======== 
+ *    B   --||
+ * 
+ * @return The new state for rotary pin.
+ */
+RotaryEncoderInterruptBaseStateType RotaryEncoderInterruptBase::intHandler(
+    bool actualPinRaising,
+    int otherPinLevel,
+    RotaryEncoderInterruptBaseActionType action,
+    RotaryEncoderInterruptBaseStateType state)
+{
+    RotaryEncoderInterruptBaseStateType newState =
+        state;
+    if (actualPinRaising && (otherPinLevel == LOW))
+    {
+        if (state == ROTARY_EVENT_CLEARED)
+        {
+            newState = ROTARY_EVENT_OCCURRED;
+            if ((this->action != ROTARY_ACTION_PRESSED)
+                && (this->action != action))
+            {
+                this->action = action;
+                DEBUG_MSG("Rotary action\n");
+            }
+        }
+    }
+    else if (!actualPinRaising && (otherPinLevel == HIGH))
+    {
+        // Logic to prevent bouncing.
+        newState = ROTARY_EVENT_CLEARED;
+    }
+    setIntervalFromNow(50); // TODO: this modifies a non-volatile variable!
+
+    return newState;
+}