2016-09-14 13:33:11 -07:00
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#!/usr/bin/python
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# Author: Jon Trulson <jtrulson@ics.com>
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# Copyright (c) 2015 Intel Corporation.
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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import time
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2016-10-10 14:48:42 -07:00
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from upm import pyupm_md as upmmd
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2016-09-14 13:33:11 -07:00
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2016-09-29 18:24:19 -07:00
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def main():
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I2C_BUS = upmmd.MD_I2C_BUS
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I2C_ADDR = upmmd.MD_DEFAULT_I2C_ADDR
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2016-09-14 13:33:11 -07:00
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2016-09-29 18:24:19 -07:00
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# Instantiate an I2C Motor Driver on I2C bus 0
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myMotorDriver = upmmd.MD(I2C_BUS, I2C_ADDR)
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2016-09-14 13:33:11 -07:00
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2016-09-29 18:24:19 -07:00
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# This example demonstrates using the MD to drive a stepper motor
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2016-09-14 13:33:11 -07:00
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2016-09-29 18:24:19 -07:00
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# configure it, for this example, we'll assume 200 steps per rev
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myMotorDriver.configStepper(200)
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2016-09-14 13:33:11 -07:00
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2016-09-29 18:24:19 -07:00
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# set for half a rotation
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myMotorDriver.setStepperSteps(100)
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2016-09-14 13:33:11 -07:00
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2016-09-29 18:24:19 -07:00
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# let it go - clockwise rotation, 10 RPM speed
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2016-10-18 17:02:33 -06:00
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myMotorDriver.enableStepper(upmmd.MD_STEP_DIR_CW, 10)
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2016-09-14 13:33:11 -07:00
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2016-09-29 18:24:19 -07:00
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time.sleep(3)
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2016-09-14 13:33:11 -07:00
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2016-09-29 18:24:19 -07:00
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# Now do it backwards...
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myMotorDriver.setStepperSteps(100)
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2016-10-18 17:02:33 -06:00
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myMotorDriver.enableStepper(upmmd.MD_STEP_DIR_CCW, 10)
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2016-09-14 13:33:11 -07:00
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2016-09-29 18:24:19 -07:00
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# now disable
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myMotorDriver.disableStepper()
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2016-09-14 13:33:11 -07:00
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2016-09-29 18:24:19 -07:00
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if __name__ == '__main__':
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main()
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