mycroft-core/mycroft/enclosure/hardware_enclosure.py

174 lines
6.0 KiB
Python

# Copyright 2020 Mycroft AI Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import importlib
import threading
import time
from mycroft.util import create_signal
import RPi.GPIO as GPIO
import os
from mycroft.util.log import LOG
class HardwareEnclosure:
mute_led = 11 # last led is reserved for mute mic switch
def __init__(self, enclosure_type, board_type=None):
LOG.info("Mark2 Starting HardwareEnclosure()")
self.enclosure_type = enclosure_type
self.board_type = board_type
self.max_volume = 10
self.shadow_volume = 5
self.volume_increment = 1
self.last_action = time.time()
self.last_mute = 0
driver_dir = "mycroft.enclosure.hardware"
capabilities_module = driver_dir + ".%s" % (self.enclosure_type,)
module = importlib.import_module(capabilities_module)
enclosure_capabilities = module.Capabilities()
if self.board_type is None:
self.board_type = enclosure_capabilities.board_type
self.capabilities = enclosure_capabilities.capabilities[self.board_type]
# eventually this could also be driven by the capabilities
led_driver = self.capabilities["Led"]["name"]
switch_driver = self.capabilities["Switch"]["name"]
volume_driver = self.capabilities["Volume"]["name"]
pal_module = driver_dir + ".MycroftLed.%s" % (self.capabilities["Palette"]["name"],)
module = importlib.import_module(pal_module)
self.palette = module.Palette()
led_module = driver_dir + ".MycroftLed.%s" % (led_driver,)
module = importlib.import_module(led_module)
self.leds = module.Led()
vol_module = driver_dir + ".MycroftVolume.%s" % (volume_driver,)
module = importlib.import_module(vol_module)
self.hardware_volume = module.Volume()
switch_module = driver_dir + ".MycroftSwitch.%s" % (switch_driver,)
module = importlib.import_module(switch_module)
self.switches = module.Switch()
self.switches.user_action_handler = self.handle_action
self.overide_action = self.reset_xmos
self.switches.user_mute_handler = self.handle_mute
self.switches.user_volup_handler = self.handle_vol_up
self.switches.user_voldown_handler = self.handle_vol_down
# TODO - pull up/down verified!!!
self.leds._set_led(self.mute_led, self.palette.GREEN)
# volume display timeout
self.watchdog = None
self.watchdog_timeout = 5
LOG.info("Mark2 HardwareEnclosure() initialized")
# BUG FIX temp fix for faulty hardware
def reset_xmos(self):
LOG.error("Mark2 Start Reset Hardware ...")
LOG.error("Mark2 Stopping services ...")
os.system("~/mycroft-core/stop-mycroft.sh voice")
os.system("~/mycroft-core/stop-mycroft.sh audio")
LOG.error("Mark2 LEDs Red ...")
self.leds.fill( self.palette.RED )
time.sleep(5)
LOG.error("Mark2 Reset Hardware ...")
self.switches.reset_hardware()
LOG.error("Mark2 Sleep after Hardware Reset ...")
time.sleep(15)
LOG.error("Mark2 Start audio svc ...")
os.system("~/mycroft-core/start-mycroft.sh audio")
time.sleep(10)
LOG.error("Mark2 Start voice svc ...")
os.system("~/mycroft-core/start-mycroft.sh voice")
time.sleep(3)
self.leds.fill( self.palette.BLACK )
os.system("aplay ~/mycroft-core/mycroft/res/snd/start_listening.wav")
LOG.error("Mark2 Completed Reset Hardware ...")
def get_capabilities(self):
return self.capabilities
def handle_watchdog(self):
# clear the volume leds
self.leds.fill( self.palette.BLACK )
self.watchdog = None
def cancel_watchdog(self):
if self.watchdog is not None:
self.watchdog.cancel()
def show_volume(self, vol):
new_leds = []
for x in range(vol):
new_leds.append( self.palette.BLUE )
for x in range(self.leds.num_leds - vol):
new_leds.append( self.palette.BLACK )
self.leds.set_leds( new_leds )
self.cancel_watchdog()
self.watchdog = threading.Timer(self.watchdog_timeout,
self.handle_watchdog)
self.watchdog.start()
def handle_action(self):
# debounce this 10 seconds
if time.time() - self.last_action > 10:
self.last_action = time.time()
if self.overide_action is not None:
self.overide_action()
else:
create_signal('buttonPress')
def handle_mute(self, val):
if val != self.last_mute:
self.last_mute = val
if val == 0:
self.leds._set_led(self.mute_led, self.palette.GREEN)
else:
self.leds._set_led(self.mute_led, self.palette.RED)
def handle_vol_down(self):
if self.shadow_volume > 0:
self.shadow_volume -= self.volume_increment
self.hardware_volume.set_volume(self.shadow_volume)
self.show_volume(self.shadow_volume)
def handle_vol_up(self):
if self.shadow_volume < self.max_volume:
self.shadow_volume += self.volume_increment
self.hardware_volume.set_volume(self.shadow_volume)
self.show_volume(self.shadow_volume)
def terminate(self):
self.cancel_watchdog()
self.leds.fill( self.palette.BLACK )
self.switches._running = False
self.switches.terminate()
if self.switches.thread_handle is not None:
self.switches.thread_handle.join()