T deck: support keyboard, trackball and touchscreen (#2665)

* add hwid for auto-detection * fix: heltec-wireless-tracker USB serial * T-Deck support * trunk fmt * set FRAMERATE to 1 * fix some defines * trunk fmt * corrected vendor link * T-Deck: support keyboard, trackball & touch screen * T-Watch add touchscreen defs, remove getTouch * fix warnings * getTouch uint16 -> int16 * fix touch x,y * fix I2C port * CannedMsgModule: use entire display height * trunk fmt * fix I2C issue for T-Watch * allow dest selection in canned mode * fix: allow dest selection in canned mode * use tft.setBrightness() to poweroff display * Increased t-watch framerate and added back haptic feedback * add da ref * Move to touched * improved sensitivity and accuracy of touch events * use double tap to send canned message * fix warning * trunk fmt * Remove extra hapticFeedback() --------- Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
2025-12-21 02:02:23 +00:00 · 2023-07-30 14:51:26 +02:00
parent b9c9f0f865
commit 502a6596a3
27 changed files with 704 additions and 100 deletions
--- a/src/input/TouchScreenBase.cpp
+++ b/src/input/TouchScreenBase.cpp
@@ -0,0 +1,137 @@
+#include "TouchScreenBase.h"
+#include "main.h"
+
+#ifndef TIME_LONG_PRESS
+#define TIME_LONG_PRESS 400
+#endif
+
+// move a minimum distance over the screen to detect a "swipe"
+#ifndef TOUCH_THRESHOLD_X
+#define TOUCH_THRESHOLD_X 30
+#endif
+
+#ifndef TOUCH_THRESHOLD_Y
+#define TOUCH_THRESHOLD_Y 20
+#endif
+
+TouchScreenBase::TouchScreenBase(const char *name, uint16_t width, uint16_t height)
+    : concurrency::OSThread(name), _display_width(width), _display_height(height), _first_x(0), _last_x(0), _first_y(0),
+      _last_y(0), _start(0), _tapped(false), _originName(name)
+{
+}
+
+void TouchScreenBase::init(bool hasTouch)
+{
+    if (hasTouch) {
+        LOG_INFO("TouchScreen initialized %d %d\n", TOUCH_THRESHOLD_X, TOUCH_THRESHOLD_Y);
+        this->setInterval(100);
+    } else {
+        disable();
+        this->setInterval(UINT_MAX);
+    }
+}
+
+int32_t TouchScreenBase::runOnce()
+{
+    TouchEvent e;
+    e.touchEvent = static_cast<char>(TOUCH_ACTION_NONE);
+
+    // process touch events
+    int16_t x, y;
+    bool touched = getTouch(x, y);
+    if (touched) {
+        hapticFeedback();
+        this->setInterval(20);
+        _last_x = x;
+        _last_y = y;
+    }
+    if (touched != _touchedOld) {
+        if (touched) {
+            _state = TOUCH_EVENT_OCCURRED;
+            _start = millis();
+            _first_x = x;
+            _first_y = y;
+        } else {
+            _state = TOUCH_EVENT_CLEARED;
+            time_t duration = millis() - _start;
+            x = _last_x;
+            y = _last_y;
+            this->setInterval(50);
+
+            // compute distance
+            int16_t dx = x - _first_x;
+            int16_t dy = y - _first_y;
+            uint16_t adx = abs(dx);
+            uint16_t ady = abs(dy);
+
+            // swipe horizontal
+            if (adx > ady && adx > TOUCH_THRESHOLD_X) {
+                if (0 > dx) { // swipe right to left
+                    e.touchEvent = static_cast<char>(TOUCH_ACTION_LEFT);
+                    LOG_DEBUG("action SWIPE: right to left\n");
+                } else { // swipe left to right
+                    e.touchEvent = static_cast<char>(TOUCH_ACTION_RIGHT);
+                    LOG_DEBUG("action SWIPE: left to right\n");
+                }
+            }
+            // swipe vertical
+            else if (ady > adx && ady > TOUCH_THRESHOLD_Y) {
+                if (0 > dy) { // swipe bottom to top
+                    e.touchEvent = static_cast<char>(TOUCH_ACTION_UP);
+                    LOG_DEBUG("action SWIPE: bottom to top\n");
+                } else { // swipe top to bottom
+                    e.touchEvent = static_cast<char>(TOUCH_ACTION_DOWN);
+                    LOG_DEBUG("action SWIPE: top to bottom\n");
+                }
+            }
+            // tap
+            else {
+                if (duration > 0 && duration < TIME_LONG_PRESS) {
+                    if (_tapped) {
+                        _tapped = false;
+                        e.touchEvent = static_cast<char>(TOUCH_ACTION_DOUBLE_TAP);
+                        LOG_DEBUG("action DOUBLE TAP(%d/%d)\n", x, y);
+                    } else {
+                        _tapped = true;
+                    }
+                } else {
+                    _tapped = false;
+                }
+            }
+        }
+    }
+    _touchedOld = touched;
+
+    // fire TAP event when no 2nd tap occured within time
+    if (_tapped && (time_t(millis()) - _start) > TIME_LONG_PRESS - 50) {
+        _tapped = false;
+        e.touchEvent = static_cast<char>(TOUCH_ACTION_TAP);
+        LOG_DEBUG("action TAP(%d/%d)\n", _last_x, _last_y);
+    }
+
+    // fire LONG_PRESS event without the need for release
+    if (touched && (time_t(millis()) - _start) > TIME_LONG_PRESS) {
+        // tricky: prevent reoccurring events and another touch event when releasing
+        _start = millis() + 30000;
+        e.touchEvent = static_cast<char>(TOUCH_ACTION_LONG_PRESS);
+        LOG_DEBUG("action LONG PRESS(%d/%d)\n", _last_x, _last_y);
+    }
+
+    if (e.touchEvent != TOUCH_ACTION_NONE) {
+        e.source = this->_originName;
+        e.x = _last_x;
+        e.y = _last_y;
+        onEvent(e);
+    }
+
+    return interval;
+}
+
+void TouchScreenBase::hapticFeedback()
+{
+#ifdef T_WATCH_S3
+    drv.setWaveform(0, 75);
+    drv.setWaveform(1, 0); // end waveform
+    drv.go();
+#endif
+}