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Thomas Farstrike
279 lines
9.1 KiB
Python
279 lines
9.1 KiB
Python
# Constants
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TFT_HOR_RES=320
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TFT_VER_RES=240
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NOTIFICATION_BAR_HEIGHT=24
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BUTTON_WIDTH=100
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BUTTON_HEIGHT=40
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PADDING_TINY=5
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PADDING_SMALL=10
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PADDING_MEDIUM=20
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PADDING_LARGE=40
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DRAWER_ANIM_DURATION=300
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SLIDER_MIN_VALUE=1
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SLIDER_MAX_VALUE=100
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SLIDER_DEFAULT_VALUE=100
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OFFSET_WIFI_ICON = -60
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OFFSET_BATTERY_ICON = -40
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CLOCK_UPDATE_INTERVAL = 100 # 10 or even 1 ms doesn't seem to change the framerate but 100ms is enough
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# Color palette
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DARKPINK = lv.color_hex(0xEC048C)
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MEDIUMPINK = lv.color_hex(0xF480C5)
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LIGHTPINK = lv.color_hex(0xF9E9F2)
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DARKYELLOW = lv.color_hex(0xFBDC05)
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LIGHTYELLOW = lv.color_hex(0xFBE499)
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PUREBLACK = lv.color_hex(0x000000)
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COLOR_DRAWER_BG=MEDIUMPINK
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COLOR_TEXT_WHITE=LIGHTPINK
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COLOR_NOTIF_BAR_BG = DARKPINK
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COLOR_DRAWER_BUTTON_BG=DARKYELLOW
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COLOR_DRAWER_BUTTONTEXT=PUREBLACK
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COLOR_SLIDER_BG=LIGHTPINK
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COLOR_SLIDER_KNOB=DARKYELLOW
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COLOR_SLIDER_INDICATOR=LIGHTPINK
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drawer=None
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wifi_screen=None
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drawer_open=False
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lv.screen_active().set_style_bg_color(lv.color_hex(0x444444), 0)
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def open_drawer():
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global drawer_open
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if not drawer_open:
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drawer.set_y(NOTIFICATION_BAR_HEIGHT)
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drawer_open=True
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def close_drawer():
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global drawer_open
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if drawer_open:
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drawer.set_y(-TFT_VER_RES+NOTIFICATION_BAR_HEIGHT)
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drawer_open=False
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def toggle_drawer(event):
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global drawer_open
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if drawer_open:
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close_drawer()
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else:
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open_drawer()
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# Create notification bar object
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notification_bar = lv.obj(lv.screen_active())
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notification_bar.set_style_bg_color(COLOR_NOTIF_BAR_BG, 0)
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notification_bar.set_size(320, NOTIFICATION_BAR_HEIGHT)
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notification_bar.set_pos(0, 0)
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notification_bar.set_scrollbar_mode(lv.SCROLLBAR_MODE.OFF)
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notification_bar.set_scroll_dir(lv.DIR.VER)
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notification_bar.set_style_border_width(0, 0)
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notification_bar.set_style_radius(0, 0)
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# Time label
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time_label = lv.label(notification_bar)
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time_label.set_text("00:00:00.000")
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time_label.align(lv.ALIGN.LEFT_MID, 0, 0)
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time_label.set_style_text_color(COLOR_TEXT_WHITE, 0)
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# Notification icon (bell)
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notif_icon = lv.label(notification_bar)
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notif_icon.set_text(lv.SYMBOL.BELL)
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notif_icon.align_to(time_label, lv.ALIGN.OUT_RIGHT_MID, PADDING_TINY, 0)
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notif_icon.set_style_text_color(COLOR_TEXT_WHITE, 0)
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# WiFi icon
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wifi_icon = lv.label(notification_bar)
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wifi_icon.set_text(lv.SYMBOL.WIFI)
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wifi_icon.align(lv.ALIGN.RIGHT_MID, OFFSET_WIFI_ICON, 0)
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wifi_icon.set_style_text_color(COLOR_TEXT_WHITE, 0)
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# Battery icon
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battery_icon = lv.label(notification_bar)
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battery_icon.set_text(lv.SYMBOL.BATTERY_FULL)
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battery_icon.align(lv.ALIGN.RIGHT_MID, OFFSET_BATTERY_ICON, 0)
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battery_icon.set_style_text_color(COLOR_TEXT_WHITE, 0)
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# Battery percentage
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battery_label = lv.label(notification_bar)
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battery_label.set_text("100%")
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battery_label.align(lv.ALIGN.RIGHT_MID, 0, 0)
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battery_label.set_style_text_color(COLOR_TEXT_WHITE, 0)
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# Timer to update time every second
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import time
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def update_time(timer):
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ticks = time.ticks_ms()
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hours = (ticks // 3600000) % 24
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minutes = (ticks // 60000) % 60
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seconds = (ticks // 1000) % 60
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milliseconds = ticks % 1000
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time_label.set_text(f"{hours:02d}:{minutes:02d}:{seconds:02d}.{milliseconds:03d}")
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lv.timer_create(update_time, CLOCK_UPDATE_INTERVAL, None)
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notification_bar.add_event_cb(toggle_drawer, lv.EVENT.CLICKED, None)
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# Subwindow is created before drawer so that drawer is on top
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screen = lv.screen_active()
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subwindow = lv.obj(screen)
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subwindow.set_size(TFT_HOR_RES, TFT_VER_RES - NOTIFICATION_BAR_HEIGHT)
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subwindow.set_pos(0, NOTIFICATION_BAR_HEIGHT)
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subwindow.set_style_border_width(0, 0)
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subwindow.set_style_pad_all(0, 0)
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drawer=lv.obj(lv.screen_active())
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drawer.set_size(TFT_HOR_RES,TFT_VER_RES-NOTIFICATION_BAR_HEIGHT)
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drawer.set_pos(0,-TFT_VER_RES+NOTIFICATION_BAR_HEIGHT)
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drawer.set_style_bg_color(COLOR_DRAWER_BG,0)
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drawer.set_scroll_dir(lv.DIR.NONE)
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slider=lv.slider(drawer)
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slider.set_range(SLIDER_MIN_VALUE,SLIDER_MAX_VALUE)
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slider.set_value(SLIDER_DEFAULT_VALUE,False)
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slider.set_width(TFT_HOR_RES-PADDING_LARGE)
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slider.align(lv.ALIGN.TOP_MID,0,PADDING_SMALL)
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slider.set_style_bg_color(COLOR_SLIDER_BG,lv.PART.MAIN)
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slider.set_style_bg_color(COLOR_SLIDER_INDICATOR,lv.PART.INDICATOR)
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slider.set_style_bg_color(COLOR_SLIDER_KNOB,lv.PART.KNOB)
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slider_label=lv.label(drawer)
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slider_label.set_text(f"{SLIDER_DEFAULT_VALUE}%")
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slider_label.set_style_text_color(COLOR_TEXT_WHITE,0)
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slider_label.align_to(slider,lv.ALIGN.OUT_TOP_MID,0,-5)
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def slider_event(e):
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value=slider.get_value()
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slider_label.set_text(f"{value}%")
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display.set_backlight(value)
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slider.add_event_cb(slider_event,lv.EVENT.VALUE_CHANGED,None)
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wifi_btn=lv.button(drawer)
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wifi_btn.set_size(BUTTON_WIDTH,BUTTON_HEIGHT)
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wifi_btn.align(lv.ALIGN.LEFT_MID,PADDING_SMALL,0)
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wifi_btn.set_style_bg_color(COLOR_DRAWER_BUTTON_BG,0)
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wifi_label=lv.label(wifi_btn)
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wifi_label.set_text(lv.SYMBOL.WIFI+" WiFi")
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wifi_label.center()
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wifi_label.set_style_text_color(COLOR_DRAWER_BUTTONTEXT,0)
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def wifi_event(e):
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global drawer_open
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#wifi_screen.set_y(0) # TODO: make this
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close_drawer()
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drawer_open=False
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wifi_btn.add_event_cb(wifi_event,lv.EVENT.CLICKED,None)
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#
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settings_btn=lv.button(drawer)
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settings_btn.set_size(BUTTON_WIDTH,BUTTON_HEIGHT)
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settings_btn.align(lv.ALIGN.RIGHT_MID,-PADDING_SMALL,0)
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settings_btn.set_style_bg_color(COLOR_DRAWER_BUTTON_BG,0)
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settings_label=lv.label(settings_btn)
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settings_label.set_text(lv.SYMBOL.SETTINGS+" Settings")
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settings_label.center()
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settings_label.set_style_text_color(COLOR_DRAWER_BUTTONTEXT,0)
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def settings_event(e):
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global drawer_open
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close_drawer()
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drawer_open=False
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settings_btn.add_event_cb(settings_event,lv.EVENT.CLICKED,None)
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#
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launcher_btn=lv.button(drawer)
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launcher_btn.set_size(BUTTON_WIDTH,BUTTON_HEIGHT)
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launcher_btn.align(lv.ALIGN.BOTTOM_LEFT,PADDING_SMALL,0)
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launcher_btn.set_style_bg_color(COLOR_DRAWER_BUTTON_BG,0)
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launcher_label=lv.label(launcher_btn)
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launcher_label.set_text(lv.SYMBOL.HOME+" Launcher")
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launcher_label.center()
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launcher_label.set_style_text_color(COLOR_DRAWER_BUTTONTEXT,0)
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def launcher_event(e):
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print("Launcher button pressed!")
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global drawer_open
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close_drawer()
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drawer_open=False
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run_launcher()
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launcher_btn.add_event_cb(launcher_event,lv.EVENT.CLICKED,None)
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#
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restart_btn=lv.button(drawer)
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restart_btn.set_size(BUTTON_WIDTH,BUTTON_HEIGHT)
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restart_btn.align(lv.ALIGN.BOTTOM_RIGHT,-PADDING_SMALL,0)
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restart_btn.set_style_bg_color(COLOR_DRAWER_BUTTON_BG,0)
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restart_label=lv.label(restart_btn)
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restart_label.set_text(lv.SYMBOL.POWER+" Reset")
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restart_label.center()
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restart_label.set_style_text_color(COLOR_DRAWER_BUTTONTEXT,0)
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def launcher_event(e):
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print("Reset button pressed!")
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global drawer_open
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close_drawer()
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drawer_open=False
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run_app(launcher_script,False)
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restart_btn.add_event_cb(lambda event: machine.reset(),lv.EVENT.CLICKED,None)
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import _thread
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import traceback
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def execute_script(script_source, is_file, lvgl_obj, return_to_launcher):
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thread_id = _thread.get_ident()
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print(f"Thread {thread_id}: executing script")
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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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'run_app': run_app,
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'__name__': "__main__"
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}
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if is_file:
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print(f"Thread {thread_id}: reading script from file {script_source}")
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with open(script_source, 'r') as f:
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script_source = f.read()
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print(f"Thread {thread_id}: starting script")
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try:
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# Use a short filename for compile() to avoid 'name too long' error
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compile_name = 'script' if not is_file else 'main.py' # Shortened name
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compiled_script = compile(script_source, compile_name, 'exec')
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exec(compiled_script, script_globals)
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except Exception as e:
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print(f"Thread {thread_id}: exception during execution:")
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# Print stack trace with exception type, value, and traceback
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tb = getattr(e, '__traceback__', None)
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traceback.print_exception(type(e), e, tb)
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print(f"Thread {thread_id}: script finished")
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if return_to_launcher:
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print(f"Thread {thread_id}: finished, return_to_launcher=True so running launcher_script...")
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run_launcher()
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except Exception as e:
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print(f"Thread {thread_id}: error:")
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tb = getattr(e, '__traceback__', None)
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traceback.print_exception(type(e), e, tb)
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def run_app(scriptname, is_file, return_to_launcher=True):
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gc.collect()
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print("/main.py: free memory before starting thread:", gc.mem_free())
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try:
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print("/main.py: cleaning subwindow...")
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subwindow.clean()
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# 168KB maximum at startup but 136KB after loading display, drivers, LVGL gui etc so let's go for 128KB for now, still a lot...
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# But then no additional threads can be created. A stacksize of 32KB allows for 4 threads, so 3 in the app itself, which might be tight.
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_thread.stack_size(16384) # A stack size of 16KB allows for around 10 threads in the app, which should be plenty.
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_thread.start_new_thread(execute_script, (scriptname, is_file, subwindow, return_to_launcher))
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except Exception as e:
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print("/main.py: error starting new thread thread: ", e)
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def run_launcher():
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run_app("/apps/com.example.launcher/assets/main.py", True, False)
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run_launcher()
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