lib/python/Components/FanControl.py

   1 import os
   2
   3 from Components.config import config, ConfigSubList, ConfigSubsection, ConfigSlider
   4 from Tools.BoundFunction import boundFunction
   5
   6 class FanControl:
   7         # ATM there's only support for one fan
   8         def __init__(self):
   9                 if os.path.exists("/proc/stb/fp/fan_vlt") or os.path.exists("/proc/stb/fp/fan_pwm") or os.path.exists("/proc/stb/fp/fan_speed"):
  10                         self.fancount = 1
  11                 else:
  12                         self.fancount = 0
  13                 self.createConfig()
  14
  15         def createConfig(self):
  16                 def setVlt(fancontrol, fanid, configElement):
  17                         fancontrol.setVoltage(fanid, configElement.value)
  18                 def setPWM(fancontrol, fanid, configElement):
  19                         fancontrol.setPWM(fanid, configElement.value)
  20
  21                 config.fans = ConfigSubList()
  22                 for fanid in range(self.getFanCount()):
  23                         default_vlt = self.getVoltage(fanid)
  24                         default_pwm = self.getPWM(fanid)
  25                         fan = ConfigSubsection()
  26                         fan.vlt = ConfigSlider(default = default_vlt, increment = 10, limits = (0, 255))
  27                         fan.pwm = ConfigSlider(default = default_vlt, increment = 10, limits = (0, 255))
  28                         fan.vlt.addNotifier(boundFunction(setVlt, self, fanid))
  29                         fan.pwm.addNotifier(boundFunction(setPWM, self, fanid))
  30                         config.fans.append(fan)
  31
  32         def getConfig(self, fanid):
  33                 return config.fans[fanid]
  34
  35         def getFanCount(self):
  36                 return self.fancount
  37
  38         def hasRPMSensor(self, fanid):
  39                 return os.path.exists("/proc/stb/fp/fan_speed")
  40
  41         def hasFanControl(self, fanid):
  42                 return os.path.exists("/proc/stb/fp/fan_vlt") or os.path.exists("/proc/stb/fp/fan_pwm")
  43
  44         def getFanSpeed(self, fanid):
  45                 f = open("/proc/stb/fp/fan_speed", "r")
  46                 value = int(f.readline().strip()[:-4])
  47                 f.close()
  48                 return value
  49
  50         def getVoltage(self, fanid):
  51                 f = open("/proc/stb/fp/fan_vlt", "r")
  52                 value = int(f.readline().strip(), 16)
  53                 f.close()
  54                 return value
  55
  56         def setVoltage(self, fanid, value):
  57                 if value > 255:
  58                         return
  59                 f = open("/proc/stb/fp/fan_vlt", "w")
  60                 f.write("%x" % value)
  61                 f.close()
  62
  63         def getPWM(self, fanid):
  64                 f = open("/proc/stb/fp/fan_pwm", "r")
  65                 value = int(f.readline().strip(), 16)
  66                 f.close()
  67                 return value
  68
  69         def setPWM(self, fanid, value):
  70                 if value > 255:
  71                         return
  72                 f = open("/proc/stb/fp/fan_pwm", "w")
  73                 f.write("%x" % value)
  74                 f.close()
  75
  76 fancontrol = FanControl()