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This driver was developed using an SX1276 based shield on the Galileo G2. It requires 3.3v of operation. It does not work with Edison, due to SPI issues. Signed-off-by: Jon Trulson <jtrulson@ics.com>
89 lines
3.0 KiB
Python
89 lines
3.0 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_sx1276 as sensorObj
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# Instantiate an SX1276 using default parameters
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sensor = sensorObj.SX1276()
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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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print "Specify an argument to go into receive mode. Default is transmit"
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# 915Mhz
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sensor.setChannel(915000000)
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# LORA configuration (rx and tx must be configured the same):
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# Tx output power = 14 dBm
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# LORA bandwidth = 125000 (can also be 250K and 500K)
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# LORA spreading factor = 7
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# LORA coding rate = 1 (4/5)
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# LORA preamble len = 8
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# LORA symbol timeout = 5
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# LORA fixed payload = false
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# LORA IQ inversion = false
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# LORA (rx) continuous Rx mode = true
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sensor.setTxConfig(sensor.MODEM_LORA, 14, 0, 125000,
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7, 1, 8, False, True, False, 0, False)
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sensor.setRxConfig(sensor.MODEM_LORA, 125000, 7,
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1, 0, 8, 5, False, 0, True, False, 0, False, True)
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count = 0
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while True:
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if (len(sys.argv) > 1):
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# receive mode
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print "Attempting to receive..."
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rv = sensor.setRx(3000)
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if (rv):
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print "setRx returned ", rv
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else:
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print "Received Buffer: ", sensor.getRxBufferStr();
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# go back to sleep when done
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sensor.setSleep()
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time.sleep(.25)
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else:
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# transmit mode
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buffer = "Ping " + str(count)
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count += 1
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print "Sending..." + buffer
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sensor.sendStr(buffer, 3000)
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sensor.setSleep();
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time.sleep(1);
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