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This is a rewrite of the existing SM130 driver which was incomplete and non-functional. It was implemented using a Sparkfun SM130 module: https://www.sparkfun.com/products/10126 ... using a Sparkfun RFID Evaluation Shield: https://www.sparkfun.com/products/10406 It operates in UART mode only. A port to support I2C communications (requires a encrypted firmware reflash from SonMicro) should be fairly trivial, if you have one of those. Signed-off-by: Jon Trulson <jtrulson@ics.com> Signed-off-by: sisinty sasmita patra <sisinty.s.patra@intel.com> Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
64 lines
2.2 KiB
Python
64 lines
2.2 KiB
Python
#!/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, sys, signal, atexit
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import pyupm_sm130 as sensorObj
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# Instantiate a UART based SM130 RFID Module using defaults
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sensor = sensorObj.SM130()
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## Exit handlers ##
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# This stops python from printing a stacktrace when you hit control-C
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def SIGINTHandler(signum, frame):
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raise SystemExit
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# This function lets you run code on exit
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def exitHandler():
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print "Exiting"
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sys.exit(0)
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# Register exit handlers
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atexit.register(exitHandler)
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signal.signal(signal.SIGINT, SIGINTHandler)
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# Set the baud rate, 19200 baud is the default.
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if (sensor.setBaudRate(19200)):
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print "Failed to set baud rate"
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sys.exit(0)
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print "Resetting..."
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sensor.reset()
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print "Firmware revision: " + sensor.getFirmwareVersion()
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print "Waiting up to 5 seconds for a tag..."
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if (sensor.waitForTag(5000)):
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print "Found tag, UID:",
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print sensor.string2HexString(sensor.getUID())
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print "Tag Type:",
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print sensor.tag2String(sensor.getTagType())
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else:
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# error
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print "waitForTag failed: " + sensor.getLastErrorString()
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