mirror of
https://github.com/eclipse/upm.git
synced 2025-03-15 04:57:30 +03:00
21a1860ec2
This requires a new MRAA with UART sendbreak support. Signed-off-by: Jon Trulson <jtrulson@ics.com>
109 lines
3.7 KiB
Python
Executable File
109 lines
3.7 KiB
Python
Executable File
#!/usr/bin/python
|
|
# Author: Jon Trulson <jtrulson@ics.com>
|
|
# Copyright (c) 2017 Intel Corporation.
|
|
#
|
|
# The MIT License
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining
|
|
# a copy of this software and associated documentation files (the
|
|
# "Software"), to deal in the Software without restriction, including
|
|
# without limitation the rights to use, copy, modify, merge, publish,
|
|
# distribute, sublicense, and/or sell copies of the Software, and to
|
|
# permit persons to whom the Software is furnished to do so, subject to
|
|
# the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be
|
|
# included in all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
from __future__ import print_function
|
|
import time, sys, signal, atexit
|
|
from upm import pyupm_rn2903 as sensorObj
|
|
|
|
def main():
|
|
## Exit handlers ##
|
|
# This function stops python from printing a stacktrace when you
|
|
# hit control-C
|
|
def SIGINTHandler(signum, frame):
|
|
raise SystemExit
|
|
|
|
# This function lets you run code on exit
|
|
def exitHandler():
|
|
print("Exiting")
|
|
sys.exit(0)
|
|
|
|
# Register exit handlers
|
|
atexit.register(exitHandler)
|
|
signal.signal(signal.SIGINT, SIGINTHandler)
|
|
|
|
defaultDev = "/dev/ttyUSB0"
|
|
if (len(sys.argv) > 1):
|
|
defaultDev = sys.argv[1]
|
|
print("Using device", defaultDev)
|
|
|
|
# Instantiate a RN2903 sensor on defaultDev at 57600 baud.
|
|
sensor = sensorObj.RN2903(defaultDev,
|
|
sensorObj.RN2903_DEFAULT_BAUDRATE)
|
|
|
|
# To use an internal UART understood by MRAA, use the following
|
|
# to inititialize rather than the above, which by default uses a
|
|
# tty path.
|
|
#
|
|
# sensor = sensorObj.RN2903(0,
|
|
# sensorObj.RN2903_DEFAULT_BAUDRATE)
|
|
|
|
# enable debugging
|
|
# sensor.setDebug(True)
|
|
|
|
# get version
|
|
if (sensor.command("sys get ver")):
|
|
print("Failed to retrieve device version string")
|
|
sys.exit(1)
|
|
|
|
print("Firmware version: " + sensor.getResponse())
|
|
|
|
print("Hardware EUI: " + sensor.getHardwareEUI())
|
|
|
|
# For this example, we will just try to receive a packet
|
|
# transmitted by the p2p-tx rn2903 example. We reset the
|
|
# device to defaults, and we do not make any adjustments to the
|
|
# radio configuration. You will probably want to do so for a
|
|
# real life application.
|
|
|
|
# The first thing to do is to suspend the LoRaWAN stack on the device.
|
|
sensor.macPause();
|
|
|
|
# We will use continuous mode (window_size 0), though the default
|
|
# radio watch dog timer will expire every 15 seconds. We will
|
|
# just loop here.
|
|
|
|
while (True):
|
|
print("Waiting for packet...")
|
|
rv = sensor.radioRx(0);
|
|
if (rv):
|
|
print("radioRx() failed with code " + str(rv))
|
|
else:
|
|
resp = sensor.getResponse();
|
|
payload = sensor.getRadioRxPayload();
|
|
if (not len(payload)):
|
|
print("Got response: '", end='')
|
|
print(resp, end="")
|
|
print("'")
|
|
else:
|
|
print("Got payload: '", end='')
|
|
print(sensor.fromHex(payload), end='')
|
|
print("'")
|
|
|
|
print()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|