Solaar/lib/logitech/devices/k750.py

65 lines
1.7 KiB
Python

#
# Functions specific to the K750 solar keyboard.
#
import logging
from struct import unpack as _unpack
from .constants import (STATUS, PROPS)
from ..unifying_receiver.constants import FEATURE
from ..unifying_receiver import api as _api
#
#
#
_CHARGE_LEVELS = (10, 25, 256)
def _charge_status(data, hasLux=False):
charge, lux = _unpack('!BH', data[2:5])
for i in range(0, len(_CHARGE_LEVELS)):
if charge < _CHARGE_LEVELS[i]:
charge_index = i
break
return 0x10 << charge_index, {
PROPS.BATTERY_LEVEL: charge,
PROPS.LIGHT_LEVEL: lux if hasLux else None,
}
def request_status(devinfo, listener=None):
def _trigger_solar_charge_events(handle, devinfo):
return _api.request(handle, devinfo.number,
feature=FEATURE.SOLAR_CHARGE, function=b'\x03', params=b'\x78\x01',
features=devinfo.features)
if listener is None:
reply = _trigger_solar_charge_events(devinfo.handle, devinfo)
elif listener:
reply = listener.call_api(_trigger_solar_charge_events, devinfo)
else:
reply = 0
if reply is None:
return STATUS.UNAVAILABLE
def process_event(devinfo, data, listener=None):
if data[:2] == b'\x09\x00' and data[7:11] == b'GOOD':
# usually sent after the keyboard is turned on or just connected
return _charge_status(data)
if data[:2] == b'\x09\x10' and data[7:11] == b'GOOD':
# regular solar charge events
return _charge_status(data, True)
if data[:2] == b'\x09\x20' and data[7:11] == b'GOOD':
logging.debug("Solar key pressed")
return request_status(devinfo, listener) or _charge_status(data)
if data[:2] == b'\x05\x00':
# wireless device status
if data[2:5] == b'\x01\x01\x01':
logging.debug("Keyboard just started")
return STATUS.CONNECTED