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Thomas Farstrike
65 lines
1.9 KiB
Python
65 lines
1.9 KiB
Python
print("button.py running")
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from machine import Pin, Timer
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import time
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import _thread
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import mpos.apps
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# Configure IO0 as input with pull-up resistor
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button = Pin(0, Pin.IN, Pin.PULL_UP)
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# Variables for long press detection
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long_press_duration = 3000
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press_start_time = 0
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is_pressed = False
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# Timer for checking long press
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timer = Timer(-1)
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message = "Bootloader mode activated.\nYou can now install firmware over USB.\n\n"
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def handle_long_press():
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print(message)
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import lvgl as lv
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screen = lv.obj()
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label = lv.label(screen)
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label.set_text(message)
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label.center()
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lv.screen_load(screen)
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time.sleep(1)
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import machine
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machine.bootloader()
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def on_long_press(t): # Callback for when long press duration is reached.
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print("button.py: long press detected")
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global timer
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timer.deinit() # Stop the timer
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global is_pressed
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if is_pressed and button.value() == 0: # Ensure button is still pressed
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_thread.stack_size(mpos.apps.good_stack_size())
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_thread.start_new_thread(handle_long_press, ())
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else:
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is_pressed = False
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def button_handler(pin):
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"""Interrupt handler for button press and release."""
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global press_start_time, is_pressed, timer
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if button.value() == 0: # Button pressed (LOW due to pull-up)
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print("Button IO0 pressed")
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press_start_time = time.ticks_ms()
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is_pressed = True
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# Start timer to check for long press after long_press_duration
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timer.init(mode=Timer.ONE_SHOT, period=long_press_duration, callback=on_long_press)
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else: # Button released (HIGH)
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print("Button IO0 released")
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timer.deinit() # Cancel timer if button is released early
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is_pressed = False
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# Set up interrupt for both falling (press) and rising (release) edges
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button.irq(trigger=Pin.IRQ_FALLING | Pin.IRQ_RISING, handler=button_handler)
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print("button.py finished")
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