M5Stack Core2 support (#48)

boards/m5stack_core2/source/lvgl.c

@@ -0,0 +1,42 @@
+#include "display_i.hpp"
+#include "esp_lvgl_port.h"
+#include "log.h"
+#include "thread.h"
+#include "touch_i.hpp"
+#include "ui/lvgl_sync.h"
+
+#define TAG "core2_lvgl"
+
+bool core2_lvgl_init() {
+    static lv_display_t* display = NULL;
+
+    const lvgl_port_cfg_t lvgl_cfg = {
+        .task_priority = ThreadPriorityHigh,
+        .task_stack = 8096,
+        .task_affinity = -1, // core pinning
+        .task_max_sleep_ms = 500,
+        .timer_period_ms = 5
+    };
+
+    if (lvgl_port_init(&lvgl_cfg) != ESP_OK) {
+        TT_LOG_E(TAG, "lvgl port init failed");
+        return false;
+    }
+
+    // Add display
+    display = core2_display_init();
+    if (display == NULL) {
+        TT_LOG_E(TAG, "failed to add display");
+        return false;
+    }
+
+    // Add touch
+    if (!core2_touch_init()) {
+        return false;
+    }
+
+    // Set syncing functions
+    tt_lvgl_sync_set(&lvgl_port_lock, &lvgl_port_unlock);
+
+    return true;
+}