parent
dedc4a129c
commit
e5ef548f10
2 changed files with 52 additions and 38 deletions
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@ -1,21 +1,40 @@
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"""
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Use serial protocol of acer projector to obtain state of the projector.
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Use serial protocol of Acer projector to obtain state of the projector.
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This component allows to control almost all projectors from acer using
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their RS232 serial communication protocol.
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For more details about this component, please refer to the documentation
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at https://home-assistant.io/components/switch.acer_projector/
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"""
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import logging
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import re
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from homeassistant.components.switch import SwitchDevice
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from homeassistant.const import (STATE_ON, STATE_OFF, STATE_UNKNOWN,
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CONF_NAME, CONF_FILENAME)
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import voluptuous as vol
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from homeassistant.components.switch import (SwitchDevice, PLATFORM_SCHEMA)
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from homeassistant.const import (
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STATE_ON, STATE_OFF, STATE_UNKNOWN, CONF_NAME, CONF_FILENAME)
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import homeassistant.helpers.config_validation as cv
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REQUIREMENTS = ['pyserial==3.1.1']
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_LOGGER = logging.getLogger(__name__)
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CONF_TIMEOUT = 'timeout'
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CONF_WRITE_TIMEOUT = 'write_timeout'
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DEFAULT_NAME = 'Acer Projector'
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DEFAULT_TIMEOUT = 1
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DEFAULT_WRITE_TIMEOUT = 1
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LAMP_HOURS = 'Lamp Hours'
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INPUT_SOURCE = 'Input Source'
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ECO_MODE = 'ECO Mode'
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MODEL = 'Model'
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ICON = 'mdi:projector'
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INPUT_SOURCE = 'Input Source'
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LAMP = 'Lamp'
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LAMP_HOURS = 'Lamp Hours'
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MODEL = 'Model'
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# Commands known to the projector
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CMD_DICT = {LAMP: '* 0 Lamp ?\r',
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@ -26,38 +45,34 @@ CMD_DICT = {LAMP: '* 0 Lamp ?\r',
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STATE_ON: '* 0 IR 001\r',
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STATE_OFF: '* 0 IR 002\r'}
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_LOGGER = logging.getLogger(__name__)
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REQUIREMENTS = ['pyserial<=3.1']
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ICON = 'mdi:projector'
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_FILENAME): cv.isfile,
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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vol.Optional(CONF_TIMEOUT, default=DEFAULT_TIMEOUT): cv.positive_int,
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vol.Optional(CONF_WRITE_TIMEOUT, default=DEFAULT_WRITE_TIMEOUT):
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cv.positive_int,
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})
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# pylint: disable=unused-argument
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def setup_platform(hass, config, add_devices_callback, discovery_info=None):
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Connect with serial port and return Acer Projector."""
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serial_port = config.get(CONF_FILENAME, None)
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name = config.get(CONF_NAME, 'Projector')
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timeout = config.get('timeout', 1)
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write_timeout = config.get('write_timeout', 1)
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serial_port = config.get(CONF_FILENAME)
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name = config.get(CONF_NAME)
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timeout = config.get(CONF_TIMEOUT)
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write_timeout = config.get(CONF_WRITE_TIMEOUT)
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if not serial_port:
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_LOGGER.error('Missing path of serial device')
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return
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devices = []
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devices.append(AcerSwitch(serial_port, name, timeout, write_timeout))
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add_devices_callback(devices)
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add_devices([AcerSwitch(serial_port, name, timeout, write_timeout)])
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class AcerSwitch(SwitchDevice):
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"""Represents an Acer Projector as an switch."""
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def __init__(self, serial_port, name='Projector',
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timeout=1, write_timeout=1, **kwargs):
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def __init__(self, serial_port, name, timeout, write_timeout, **kwargs):
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"""Init of the Acer projector."""
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import serial
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self.ser = serial.Serial(port=serial_port, timeout=timeout,
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write_timeout=write_timeout, **kwargs)
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self.ser = serial.Serial(
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port=serial_port, timeout=timeout, write_timeout=write_timeout,
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**kwargs)
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self._serial_port = serial_port
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self._name = name
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self._state = False
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@ -73,18 +88,17 @@ class AcerSwitch(SwitchDevice):
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"""Write to the projector and read the return."""
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import serial
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ret = ""
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# Sometimes the projector won't answer for no reason,
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# or the projector was disconnected during runtime.
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# Thisway the projector can be reconnected and will still
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# work
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# Sometimes the projector won't answer for no reason or the projector
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# was disconnected during runtime.
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# This way the projector can be reconnected and will still work
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try:
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if not self.ser.is_open:
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self.ser.open()
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msg = msg.encode('utf-8')
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self.ser.write(msg)
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# size is an experience value there is no real limit.
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# AFAIK there is no limit and no end character so
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# we will usually need to wait for timeout
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# Size is an experience value there is no real limit.
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# AFAIK there is no limit and no end character so we will usually
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# need to wait for timeout
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ret = self.ser.read_until(size=20).decode('utf-8')
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except serial.SerialException:
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_LOGGER.error('Problem comunicating with %s', self._serial_port)
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@ -346,7 +346,7 @@ pynx584==0.2
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pyowm==2.4.0
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# homeassistant.components.switch.acer_projector
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pyserial<=3.1
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pyserial==3.1.1
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# homeassistant.components.device_tracker.snmp
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# homeassistant.components.sensor.snmp
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