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64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
# Copyright 2014-2015 ARM Limited
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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from devlib.module import Module
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from devlib.utils.serial_port import open_serial_connection
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class MbedFanActiveCoolingModule(Module):
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name = 'mbed-fan'
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timeout = 30
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@staticmethod
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def probe(target):
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return True
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def __init__(self, target, port='/dev/ttyACM0', baud=115200, fan_pin=0):
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super(MbedFanActiveCoolingModule, self).__init__(target)
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self.port = port
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self.baud = baud
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self.fan_pin = fan_pin
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def start(self):
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with open_serial_connection(timeout=self.timeout,
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port=self.port,
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baudrate=self.baud) as target:
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target.sendline('motor_{}_1'.format(self.fan_pin))
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def stop(self):
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with open_serial_connection(timeout=self.timeout,
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port=self.port,
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baudrate=self.baud) as target:
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target.sendline('motor_{}_0'.format(self.fan_pin))
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class OdroidXU3ctiveCoolingModule(Module):
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name = 'odroidxu3-fan'
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@staticmethod
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def probe(target):
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return target.file_exists('/sys/devices/odroid_fan.15/fan_mode')
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def start(self):
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self.target.write_value('/sys/devices/odroid_fan.15/fan_mode', 0, verify=False)
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self.target.write_value('/sys/devices/odroid_fan.15/pwm_duty', 255, verify=False)
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def stop(self):
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self.target.write_value('/sys/devices/odroid_fan.15/fan_mode', 0, verify=False)
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self.target.write_value('/sys/devices/odroid_fan.15/pwm_duty', 1, verify=False)
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