play32_framework/main.py at main · Icy-Rime/play32_framework · GitHub

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# >>>> config memory <<<<
import gc
_threshold = (gc.mem_free() * 60) // 100 # 60% gc auto collect
gc.threshold(_threshold)
print("gc threshold has been set to", _threshold)
del _threshold

# utils in repl
def _clean_up():
    from play32sys import path
    for file in [
        "/.mpypack_sha256.json",
        "/framework_debug",
        "/boot.py",
        "/main.py",
        "/lib",
    ]:
        if path.exist(file):
            path.rmtree(file)

# >>>> recovery mode <<<<
def check_rec():
    import hal_keypad
    hal_keypad.init()
    hal_keypad.clear_key_status([hal_keypad.KEY_A, hal_keypad.KEY_B])
    __count = 0
    for event in hal_keypad.get_key_event():
        event_type, key = hal_keypad.parse_key_event(event)
        if event_type == hal_keypad.EVENT_KEY_PRESS:
            if key in [hal_keypad.KEY_A, hal_keypad.KEY_B]:
                __count += 1
    if __count >= 2:
        # enter recovery mode
        import updater
        updater._on_enter_recovery_mode_()
    # >>>> main <<<<
    del __count

# >>>> main <<<<
check_rec()
while True:
    from play32hw.hw_config import ResetException
    import gc
    gc.collect()
    print("Free:", gc.mem_free())
    try:
        import hal_keypad
        hal_keypad.init()
        from play32sys import app
        app._on_boot_()
        print("==== End Main ====")
    except ResetException:
        # deinit
        import hal_keypad
        hal_keypad.clear_key_status([
            hal_keypad.KEY_A,
            hal_keypad.KEY_B,
            hal_keypad.KEY_UP,
            hal_keypad.KEY_DOWN,
            hal_keypad.KEY_LEFT,
            hal_keypad.KEY_RIGHT,
        ])
        from play32hw import ports
        ports.before_reset()
        # clear as much references as possible
        import usys
        keys = list(usys.modules.keys())
        for name in keys:
            if name == "boot_params":
                print("Reset: Skip clear 'boot_params' module.")
                continue
            del usys.modules[name]
        globals().clear()
        locals().clear()
        import gc
        gc.collect()
        continue
    except Exception as e:
        import usys
        usys.print_exception(e)
    break

# test below