Solaar/lib/logitech/devices/k750.py

75 lines
1.8 KiB
Python

#
# Functions that are specific to the K750 solar keyboard.
#
import logging
import struct
from ..unifying_receiver import api as _api
from .constants import *
#
#
#
NAME = 'Wireless Solar Keyboard K750'
#
#
#
def _trigger_solar_charge_events(receiver, devinfo):
return _api.request(receiver, devinfo.number,
feature=_api.FEATURE.SOLAR_CHARGE, function=b'\x03', params=b'\x78\x01',
features_array=devinfo.features_array)
_STATUS_NAMES = ('excellent', 'good', 'okay', 'poor')
_CHARGE_LIMITS = (75, 40, 20, -1)
_LIGHTING_LIMITS = (450, 310, 190, -1)
def _charge_status(data):
charge, lux = struct.unpack('!BH', data[2:5])
for i in range(0, len(_CHARGE_LIMITS)):
if charge >= _CHARGE_LIMITS[i]:
charge_index = i
break
text = 'Charge %d%% (%s)' % (charge, _STATUS_NAMES[charge_index])
if lux > 0:
for i in range(0, len(_CHARGE_LIMITS)):
if lux > _LIGHTING_LIMITS[i]:
lighting_index = i
break
text += ', Lighting %s (%d lux)' % (_STATUS_NAMES[lighting_index], lux)
return 0x10 << charge_index, text
def request_status(devinfo, listener):
reply = listener.request(_trigger_solar_charge_events, devinfo)
if reply is None:
return DEVICE_STATUS.UNAVAILABLE
def process_event(devinfo, listener, data):
if data[:2] == b'\x05\x00':
# wireless device status
if data[2:5] == b'\x01\x01\x01':
logging.debug("Keyboard just started")
return DEVICE_STATUS.CONNECTED
elif data[:2] == b'\x09\x00' and data[7:11] == b'GOOD':
return _charge_status(data)
elif data[:2] == b'\x09\x10' and data[7:11] == b'GOOD':
return _charge_status(data)
elif data[:2] == b'\x09\x20' and data[7:11] == b'GOOD':
logging.debug("Solar key pressed")
if _trigger_solar_charge_events(listener.receiver, devinfo) is None:
return DEVICE_STATUS.UNAVAILABLE
return _charge_status(data)