mirror of
https://github.com/ARM-software/workload-automation.git
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65 lines
2.4 KiB
Python
65 lines
2.4 KiB
Python
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# 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 wlauto import Module, Parameter
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from wlauto.utils.serial_port import open_serial_connection
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class MbedFanActiveCooling(Module):
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name = 'mbed-fan'
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capabilities = ['active_cooling']
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parameters = [
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Parameter('port', default='/dev/ttyACM0',
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description="""The serial port for the active cooling solution (see above)."""),
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Parameter('buad', kind=int, default=115200,
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description="""Baud for the serial port (see above)."""),
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Parameter('fan_pin', kind=int, default=0,
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description="""Which controller pin on the mbed the fan for the active cooling solution is
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connected to (controller pin 0 is physical pin 22 on the mbed)."""),
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]
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timeout = 30
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def start_active_cooling(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.buad) as target:
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target.sendline('motor_{}_1'.format(self.fan_pin))
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def stop_active_cooling(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.buad) as target:
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target.sendline('motor_{}_0'.format(self.fan_pin))
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class OdroidXU3ctiveCooling(Module):
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name = 'odroidxu3-fan'
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capabilities = ['active_cooling']
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def start_active_cooling(self):
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self.owner.set_sysfile_value('/sys/devices/odroid_fan.15/fan_mode', 0, verify=False)
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self.owner.set_sysfile_value('/sys/devices/odroid_fan.15/pwm_duty', 255, verify=False)
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def stop_active_cooling(self):
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self.owner.set_sysfile_value('/sys/devices/odroid_fan.15/fan_mode', 0, verify=False)
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self.owner.set_sysfile_value('/sys/devices/odroid_fan.15/pwm_duty', 1, verify=False)
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