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Touch parent and child works!
This commit is contained in:
Thomas Farstrike
+187
-145
@@ -1,7 +1,6 @@
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import lvgl as lv
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import time
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from machine import Pin, SPI
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#from st7789 import ST7789
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import st7789
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import lcd_bus
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from micropython import const
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@@ -22,7 +21,6 @@ LCD_BL = 1
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TP_SDA = 48
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TP_SCL = 47
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TFT_HOR_RES=320
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TFT_VER_RES=240
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@@ -55,6 +53,193 @@ drawer=None
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wifi_screen=None
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drawer_open=False
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lv.init()
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spi_bus = machine.SPI.Bus(
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host=2,
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mosi=38,
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miso=40,
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sck=39
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)
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display_bus = lcd_bus.SPIBus(
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spi_bus=spi_bus,
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freq=40000000,
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dc=42,
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cs=45,
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)
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display = st7789.ST7789(
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data_bus=display_bus,
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display_width=240,
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display_height=320,
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backlight_pin=1,
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color_space=lv.COLOR_FORMAT.RGB565,
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color_byte_order=st7789.BYTE_ORDER_BGR,
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rgb565_byte_swap=True,
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)
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display.init()
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display.set_power(True)
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display.set_backlight(100)
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i2c_bus = i2c.I2C.Bus(host=0, scl=47, sda=48, freq=100000, use_locks=False)
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touch_dev = i2c.I2C.Device(bus=i2c_bus, dev_id=0x15, reg_bits=8)
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indev=cst816s.CST816S(touch_dev,startup_rotation=lv.DISPLAY_ROTATION._180) # button in top left, good
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th = task_handler.TaskHandler()
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display.set_rotation(lv.DISPLAY_ROTATION._90)
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import lvgl as lv
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import uasyncio as asyncio
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import utime
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import gc
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# Create a subwindow for the child script (half the 320x240 display)
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screen = lv.screen_active()
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subwindow = lv.obj(screen)
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subwindow.set_size(160, 240) # Half width, full height
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subwindow.align(lv.ALIGN.LEFT_MID, 0, 0) # Left side
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subwindow.set_style_bg_color(lv.color_hex(0xDDDDDD), lv.PART.MAIN)
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# Create a label for parent updates
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parent_label = lv.label(screen)
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parent_label.set_text("Parent: 0")
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parent_label.set_style_text_font(lv.font_montserrat_12, 0)
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parent_label.align(lv.ALIGN.TOP_RIGHT, -10, 10)
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# Create a parent button
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parent_button = lv.button(screen)
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parent_button.set_size(80, 40)
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parent_button.align(lv.ALIGN.BOTTOM_RIGHT, -10, -50)
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parent_button_label = lv.label(parent_button)
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parent_button_label.set_text("Parent Btn")
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parent_button_label.set_style_text_font(lv.font_montserrat_12, 0)
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# Create a parent slider
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parent_slider = lv.slider(screen)
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parent_slider.set_size(100, 10)
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parent_slider.set_range(0, 100)
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parent_slider.align(lv.ALIGN.BOTTOM_RIGHT, -10, -10)
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# Parent button callback
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def parent_button_cb(e):
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print("Parent button clicked")
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parent_button.add_event_cb(parent_button_cb, lv.EVENT.CLICKED, None)
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# Parent slider callback
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def parent_slider_cb(e):
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value = parent_slider.get_value()
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print("Parent slider value:", value)
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parent_slider.add_event_cb(parent_slider_cb, lv.EVENT.VALUE_CHANGED, None)
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# Function to execute the child script as a coroutine
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async def execute_script(script_source, lvgl_obj):
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try:
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script_globals = {
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'lv': lv,
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'subwindow': lvgl_obj,
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'asyncio': asyncio,
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'utime': utime
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}
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print("Child script: Compiling")
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code = compile(script_source, "<string>", "exec")
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exec(code, script_globals)
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update_child = script_globals.get('update_child')
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if update_child:
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print("Child script: Starting update_child")
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await update_child()
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else:
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print("Child script error: No update_child function defined")
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except Exception as e:
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print("Child script error:", e)
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# Child script buffer: updates label, adds button and slider
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script_buffer = """
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import asyncio
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async def update_child():
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print("Child coroutine: Creating UI")
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# Label
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label = lv.label(subwindow)
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label.set_text("Child: 0")
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label.set_style_text_font(lv.font_montserrat_12, 0)
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label.align(lv.ALIGN.TOP_MID, 0, 10)
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# Button
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button = lv.button(subwindow)
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button.set_size(80, 40)
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button.align(lv.ALIGN.BOTTOM_MID, 0, -50)
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button_label = lv.label(button)
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button_label.set_text("Child Btn")
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button_label.set_style_text_font(lv.font_montserrat_12, 0)
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# Slider
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slider = lv.slider(subwindow)
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slider.set_size(100, 10)
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slider.set_range(0, 100)
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slider.align(lv.ALIGN.BOTTOM_MID, 0, -10)
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# Button callback
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def button_cb(e):
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print("Child button clicked")
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button.add_event_cb(button_cb, lv.EVENT.CLICKED, None)
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# Slider callback
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def slider_cb(e):
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value = slider.get_value()
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print("Child slider value:", value)
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slider.add_event_cb(slider_cb, lv.EVENT.VALUE_CHANGED, None)
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# Update loop
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count = 0
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while True:
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count += 1
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print("Child coroutine: Updating label to", count)
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label.set_text(f"Child: {count}")
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await asyncio.sleep_ms(2000) # Update every 2s
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"""
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# Parent coroutine: updates parent label every 1 second
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async def update_parent():
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count = 0
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while True:
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count += 1
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print("Parent coroutine: Updating label to", count)
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parent_label.set_text(f"Parent: {count}")
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gc.collect()
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print("Parent coroutine: Free memory:", gc.mem_free())
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await asyncio.sleep_ms(1000) # Update every 1s
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# Main async function to run all tasks
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async def main():
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print("Main: Starting tasks")
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asyncio.create_task(update_parent())
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asyncio.create_task(execute_script(script_buffer, subwindow))
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while True:
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await asyncio.sleep_ms(100)
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# Run the event loop
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gc.collect()
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print("Free memory before loop:", gc.mem_free())
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try:
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asyncio.run(main())
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except Exception as e:
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print("Main error:", e)
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# Fetch Bitcoin block height from mempool.space
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def get_block_height():
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try:
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@@ -107,149 +292,6 @@ def connect_wifi():
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print(".", end="")
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print(" Failed to connect!")
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return False
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# Initialize LVGL
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lv.init()
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spi_bus = machine.SPI.Bus(
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host=2,
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mosi=38,
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miso=40,
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sck=39
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)
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display_bus = lcd_bus.SPIBus(
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spi_bus=spi_bus,
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freq=40000000,
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dc=42,
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cs=45,
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)
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display = st7789.ST7789(
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data_bus=display_bus,
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display_width=240,
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display_height=320,
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backlight_pin=1,
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color_space=lv.COLOR_FORMAT.RGB565,
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color_byte_order=st7789.BYTE_ORDER_BGR,
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rgb565_byte_swap=True,
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)
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display.init()
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display.set_power(True)
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display.set_backlight(100)
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#i2c_bus = i2c.I2C.Bus(host=0, scl=47, sda=48, freq=100000, use_locks=False)
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#touch_dev = i2c.I2C.Device(bus=i2c_bus, dev_id=0x15, reg_bits=8)
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#indev=cst816s.CST816S(touch_dev,startup_rotation=lv.DISPLAY_ROTATION._180) # button in top left, good
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th = task_handler.TaskHandler()
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display.set_rotation(lv.DISPLAY_ROTATION._90)
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import lvgl as lv
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import uasyncio as asyncio
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import utime
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import gc
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# Create a subwindow for the child script
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screen = lv.screen_active()
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subwindow = lv.obj(screen)
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subwindow.set_size(120, 100)
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subwindow.align(lv.ALIGN.TOP_LEFT, 10, 10)
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subwindow.set_style_bg_color(lv.color_hex(0xDDDDDD), lv.PART.MAIN)
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# Create a label for parent updates
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parent_label = lv.label(screen)
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parent_label.set_text("Parent: 0")
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parent_label.align(lv.ALIGN.BOTTOM_MID, 0, -10)
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# Function to execute the child script as a coroutine
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async def execute_script(script_source, lvgl_obj):
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try:
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# Create globals for the script
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script_globals = {
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'lv': lv,
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'subwindow': lvgl_obj,
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'asyncio': asyncio,
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'utime': utime
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}
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print("Child script: Compiling")
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# Compile and execute the script
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code = compile(script_source, "<string>", "exec")
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exec(code, script_globals)
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# Assume the script defines an async function 'update_child'
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update_child = script_globals.get('update_child')
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if update_child:
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print("Child script: Starting update_child")
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await update_child()
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else:
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print("Child script error: No update_child function defined")
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except Exception as e:
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print("Child script error:", e)
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# Child script buffer: updates a label every 2 seconds
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script_buffer = """
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import asyncio
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async def update_child():
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print("Child coroutine: Creating label")
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label = lv.label(subwindow)
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label.set_text("Child: 0")
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label.set_style_text_font(lv.font_montserrat_12, 0) # Smaller font
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label.align(lv.ALIGN.CENTER, 0, 0)
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count = 0
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while True:
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count += 1
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print("Child coroutine: Updating label to", count)
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label.set_text(f"Child: {count}")
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await asyncio.sleep_ms(2000) # Update every 2s
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"""
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# Parent coroutine: updates parent label every 1 second
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async def update_parent():
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count = 0
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while True:
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count += 1
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print("Parent coroutine: Updating label to", count)
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parent_label.set_text(f"Parent: {count}")
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gc.collect()
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print("Parent coroutine: Free memory:", gc.mem_free())
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await asyncio.sleep_ms(1000) # Update every 1s
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# Main async function to run all tasks
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async def main():
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print("Main: Starting tasks")
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# Start parent and child tasks
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asyncio.create_task(update_parent())
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asyncio.create_task(execute_script(script_buffer, subwindow))
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# Keep the event loop running
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while True:
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await asyncio.sleep_ms(100) # Yield to other tasks
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# Run the event loop
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gc.collect()
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print("Free memory before loop:", gc.mem_free())
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try:
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asyncio.run(main())
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except Exception as e:
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print("Main error:", e)
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scr = lv.screen_active()
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scr.set_style_bg_color(lv.color_hex(0x000000), 0)
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