task_handler needs to be called from the same thread...

draft_code/image_tests.py

@@ -0,0 +1,42 @@
+width=240
+height=240
+
+import webcam
+import time
+
+cam = webcam.init("/dev/video0")  # Initialize webcam with device path
+memview = webcam.capture_frame(cam)  # Returns memoryview
+time.sleep_ms(1000)
+static_bytes_obj = bytes(memview)
+
+
+image = lv.image(lv.screen_active())
+image.align(lv.ALIGN.LEFT_MID, 0, 0)
+image.set_rotation(900)
+# Create image descriptor once
+image_dsc = lv.image_dsc_t({
+    "header": {
+        "magic": lv.IMAGE_HEADER_MAGIC,
+        "w": width,
+        "h": height,
+        "stride": width ,
+        "cf": lv.COLOR_FORMAT.L8
+    },
+    'data_size': width * height,
+    'data': static_bytes_obj # Will be updated per frame
+})
+image.set_src(image_dsc)
+
+for i in range(300):
+    print(f"iteration {i}")
+    webcam.recapture_frame(cam) #refresh memview
+    bytes_obj = bytes(memview)
+    #print(f"got bytes: {len(bytes_obj)}")
+    #image_dsc.data = static_bytes_obj
+    image_dsc.data = bytes_obj
+    #image.set_src(image_dsc)
+    image.invalidate()
+    time.sleep_ms(10) # seems to need more than 0 or 1 ms
+
+print("cleanup")
+webcam.deinit(cam)  # Deinitializes webcam