Implement M5Stack Cardputer + minor Tactility improvements (#331)

- Implement M5Stack Cardputer: display, SD card and keyboard - `St7789Display` now supports a "gap" configuration - `ElfApp` has improved errors
2025-09-14 02:25:10 +02:00
parent d83b98e99b
commit 62c613477a
28 changed files with 1385 additions and 5 deletions
@@ -0,0 +1,54 @@
+#include "CardputerEncoder.h"
+
+void CardputerEncoder::readCallback(lv_indev_t* indev, lv_indev_data_t* data) {
+    CardputerEncoder* self = static_cast<CardputerEncoder*>(lv_indev_get_user_data(indev));
+
+    self->keyboard.updateKeyList();
+
+    data->state = LV_INDEV_STATE_RELEASED;
+
+    if (self->keyboard.keyList().size() != self->lastKeyNum) {
+        // If key pressed
+        if (self->keyboard.keyList().size() != 0) {
+            // Update states and values
+            self->keyboard.updateKeysState();
+            if (self->keyboard.keysState().fn) {
+                if (self->keyboard.keysState().enter) {
+                    data->key = LV_KEY_ENTER;
+                    data->state = LV_INDEV_STATE_PRESSED;
+                } else {
+                    for (auto& i : self->keyboard.keysState().values) {
+                        if (i == ';') { // Up
+                            data->enc_diff = -1;
+                        } else if (i == '.') { // Down
+                            data->enc_diff = 1;
+                        }
+                        break; // We only care about the first value
+                    }
+                }
+            }
+            self->lastKeyNum = self->keyboard.keyList().size();
+        } else {
+            self->lastKeyNum = 0;
+        }
+    }
+}
+
+bool CardputerEncoder::startLvgl(lv_display_t* display) {
+    keyboard.init();
+
+    lvglDevice = lv_indev_create();
+    lv_indev_set_type(lvglDevice, LV_INDEV_TYPE_ENCODER);
+    lv_indev_set_read_cb(lvglDevice, &readCallback);
+    lv_indev_set_display(lvglDevice, display);
+    lv_indev_set_user_data(lvglDevice, this);
+
+    return true;
+}
+
+bool CardputerEncoder::stopLvgl() {
+    lv_indev_delete(lvglDevice);
+    lvglDevice = nullptr;
+
+    return true;
+}