Gabby Morgan
114 lines
4.1 KiB
Python
114 lines
4.1 KiB
Python
import subprocess
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import time
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import threading
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import os
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import runtime.whisplay_client
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class WhisplayInterface:
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LONG_PRESS_THRESHOLD = 0.5
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DOUBLE_PRESS_THRESHOLD = 0.3
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def __init__(self):
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self.board = None
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self._lock = threading.Lock()
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self._is_pressing = False
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self._is_double_pressing = False
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self._is_long_pressing = False
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self._long_press_timer_thread = None
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self._button_press_start = None
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self._button_press_end = None
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self._on_press_callback = None
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self._on_release_callback = None
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self._on_long_press_callback = None
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self._on_long_release_callback = None
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self._on_double_press_callback = None
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self._on_double_release_callback = None
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self.set_wm8960_volume_stable(speaker=200, mic=80)
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def create_board(self):
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self.board = runtime.whisplay_client.create_whisplay_hardware(
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app_id=os.getenv("WHISPLAY_APP_ID", "whisplay-lxst-client"),
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display_name="LXST Client",
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icon="L",
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exit_gesture="quad_press",
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use_daemon_default_log=False,
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)
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self.board.on_button_press(self._on_button_press)
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self.board.on_button_release(self._on_button_release)
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# -- Internal press/release (called from GPIO thread) --
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def on_press(self, callback):
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self._on_press_callback = callback
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def on_release(self, callback):
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self._on_release_callback = callback
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def on_long_press(self, callback):
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self._on_long_press_callback = callback
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def on_long_release(self, callback):
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self._on_long_release_callback = callback
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def on_double_press(self, callback):
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self._on_double_press_callback = callback
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def on_double_release(self, callback):
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self._on_double_release_callback = callback
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def _on_button_press(self):
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with self._lock:
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self._is_pressing = True
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self._button_press_start = time.time()
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if self._button_press_end is not None:
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time_since_last_press = self._button_press_start- self._button_press_end
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if time_since_last_press <= self.DOUBLE_PRESS_THRESHOLD:
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self._is_double_pressing = True
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if self._on_double_press_callback:
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self._on_double_press_callback()
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if not self._is_double_pressing:
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if self._on_press_callback:
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self._on_press_callback()
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self._long_press_timer_thread = threading.Timer(self.LONG_PRESS_THRESHOLD, self._long_press_timer)
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self._long_press_timer_thread.start()
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def _on_button_release(self):
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with self._lock:
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self._long_press_timer_thread.cancel()
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self._is_pressing = False
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self._button_press_end = time.time()
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if self._is_double_pressing:
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if self._on_double_release_callback:
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self._on_double_release_callback()
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self._is_double_pressing = False
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elif self._is_long_pressing:
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if self._on_long_release_callback:
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self._on_long_release_callback()
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self._is_long_pressing = False
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else:
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if self._on_release_callback:
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self._on_release_callback()
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def _long_press_timer(self):
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with self._lock:
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if self._is_pressing:
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self._is_long_pressing = True
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if self._on_long_press_callback:
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self._on_long_press_callback()
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def set_wm8960_volume_stable(self, speaker: int = 0, mic: int = 0):
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CARD_NAME = 'wm8960soundcard'
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DEVICE_ARG = f'hw:{CARD_NAME}'
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try:
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subprocess.run(['amixer', '-D', DEVICE_ARG, 'sset', 'Speaker',
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str(speaker)], check=False, capture_output=True)
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subprocess.run(['amixer', '-D', DEVICE_ARG, 'sset',
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'Capture', str(mic)], check=False, capture_output=True)
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except Exception as e:
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print(f"ERROR: Failed to set volume: {e}")
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