jfriedt / lora_sync

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  1 +root@192.168.1.168: root
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  1 +root=/dev/mmcblk0p2 rootwait console=tty1 console=ttyAMA0,115200
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  1 +# Please note that this is only a sample, we recommend you to change it to fit
  2 +# your needs.
  3 +# You should override this file using a post-build script.
  4 +# See http://buildroot.org/manual.html#rootfs-custom
  5 +# and http://elinux.org/RPiconfig for a description of config.txt syntax
  6 +
  7 +# We always use the same names, the real used variant is selected by
  8 +# BR2_PACKAGE_RPI_FIRMWARE_{DEFAULT,X,CD} choice
  9 +start_file=start.elf
  10 +fixup_file=fixup.dat
  11 +
  12 +kernel=Image
  13 +
  14 +# To use an external initramfs file
  15 +#initramfs rootfs.cpio.gz
  16 +
  17 +# Disable overscan assuming the display supports displaying the full resolution
  18 +# If the text shown on the screen disappears off the edge, comment this out
  19 +disable_overscan=1
  20 +
  21 +# How much memory in MB to assign to the GPU on Pi models having
  22 +# 256, 512 or 1024 MB total memory
  23 +gpu_mem_256=100
  24 +gpu_mem_512=100
  25 +gpu_mem_1024=100
  26 +
  27 +# fixes rpi (3B, 3B+, 3A+, 4B and Zero W) ttyAMA0 serial console
  28 +dtoverlay=miniuart-bt
  29 +
  30 +# enable 64bits support
  31 +arm_64bit=1
  32 +
  33 +dtparam=spi=on
  34 +# dtoverlay=spi0-1cs
  35 +
  36 +dtoverlay=i2c1
  37 +dtparam=i2c_arm=on
  38 +dtparam=spi=on
  39 +dtparam=i2c1=on, dtparam=i2c_arm_baudrate=100000
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  1 +pi@192.168.1.180 : raspberry
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  1 +# For more options and information see
  2 +# http://rpf.io/configtxt
  3 +# Some settings may impact device functionality. See link above for details
  4 +
  5 +# uncomment if you get no picture on HDMI for a default "safe" mode
  6 +#hdmi_safe=1
  7 +
  8 +# uncomment this if your display has a black border of unused pixels visible
  9 +# and your display can output without overscan
  10 +#disable_overscan=1
  11 +
  12 +# uncomment the following to adjust overscan. Use positive numbers if console
  13 +# goes off screen, and negative if there is too much border
  14 +#overscan_left=16
  15 +#overscan_right=16
  16 +#overscan_top=16
  17 +#overscan_bottom=16
  18 +
  19 +# uncomment to force a console size. By default it will be display's size minus
  20 +# overscan.
  21 +#framebuffer_width=1280
  22 +#framebuffer_height=720
  23 +
  24 +# uncomment if hdmi display is not detected and composite is being output
  25 +#hdmi_force_hotplug=1
  26 +
  27 +# uncomment to force a specific HDMI mode (this will force VGA)
  28 +#hdmi_group=1
  29 +#hdmi_mode=1
  30 +
  31 +# uncomment to force a HDMI mode rather than DVI. This can make audio work in
  32 +# DMT (computer monitor) modes
  33 +#hdmi_drive=2
  34 +
  35 +# uncomment to increase signal to HDMI, if you have interference, blanking, or
  36 +# no display
  37 +#config_hdmi_boost=4
  38 +
  39 +# uncomment for composite PAL
  40 +#sdtv_mode=2
  41 +
  42 +#uncomment to overclock the arm. 700 MHz is the default.
  43 +#arm_freq=800
  44 +
  45 +# Uncomment some or all of these to enable the optional hardware interfaces
  46 +dtparam=i2c_arm=on
  47 +#dtparam=i2s=on
  48 +dtparam=spi=on
  49 +dtparam=i2c1=on, dtparam=i2c_arm_baudrate=100000
  50 +
  51 +# Uncomment this to enable the lirc-rpi module
  52 +#dtoverlay=lirc-rpi
  53 +
  54 +# Additional overlays and parameters are documented /boot/overlays/README
  55 +
  56 +# Enable audio (loads snd_bcm2835)
  57 +dtparam=audio=on
  58 +dtoverlay=disable-bt
  59 +dtoverlay=i2c1
gw_RPi3/python/Endpoint.py
Diff comments   View file @ 7e6be93
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  1 +#!/usr/bin/env python3
  2 +# -*- coding: utf-8 -*-
  3 +"""
  4 +Created on Wed Jun 9 11:15:10 2021
  5 +
  6 +@author: Georges de Massol
  7 +"""
  8 +import base64
  9 +#import binascii
  10 +
  11 +class Endpoint:
  12 + def __init__(self, EUI = None):
  13 + """
  14 +
  15 + Parameters
  16 + ----------
  17 + EUI : bytes
  18 + ex : bytes([0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01])
  19 +
  20 + Returns
  21 + -------
  22 + None.
  23 +
  24 + """
  25 + # This must point to the API interface.
  26 + self.EUI = EUI
  27 +
  28 + #EUI = bytes([0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01])
  29 + def EUIfromjson(self, json):
  30 + self.EUI = base64.b64decode(json["devEUI"]).hex()
  31 + return self.EUI
  32 +
0 33 \ No newline at end of file
gw_RPi3/python/gat.py
Diff comments   View file @ 7e6be93
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  1 +#!/usr/bin/env python3
  2 +# -*- coding: utf-8 -*-
  3 +"""
  4 +Do not execute directly.
  5 +Please execute gateway_http_uplink.py
  6 +
  7 +Created on Mon Oct 19 2021
  8 +
  9 +@author: ALKADRI Mohammad
  10 +"""
  11 +
  12 +from gateway_http_downlink import Downlink
  13 +
  14 +from Endpoint import Endpoint
  15 +
  16 +import time
  17 +from datetime import datetime
  18 +import os
  19 +import json
  20 +import base64
  21 +
  22 +
  23 +APIKey = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhcGlfa2V5X2lkIjoiYzA2ZGY1MDMtNjE5Zi00ZjI2LTgxNzEtYTU0OTRmMWJmYmRmIiwiYXVkIjoiYXMiLCJpc3MiOiJhcyIsIm5iZiI6MTYyMjY1MzMzMSwic3ViIjoiYXBpX2tleSJ9.23eLyvgd5zheP9hDM0acCAl9ojhQjLTZAU77IKqhvQY'
  24 +server = 'localhost:8080'
  25 +#just defining an instance to be used
  26 +downlink = Downlink(server, APIKey)
  27 +directory = '/home/pi/python/'
  28 +
  29 +
  30 +
  31 +def WriteFile(body, event):
  32 + filename = directory + "log/" + \
  33 + time.strftime("%Y_%m_%d_%H-%M-%S") + '_' + event
  34 + # in case of unexisting folder 'log'
  35 + if not os.path.exists(directory + 'log'):
  36 + os.mkdir(directory + 'log')
  37 + # in case of already existing file :
  38 + if os.path.exists(filename + ".json"):
  39 + i = 2
  40 + while(os.path.exists(filename + '_' + str(i) + ".json")):
  41 + i += 1
  42 + path = filename + '_' + str(i) + ".json"
  43 + else:
  44 + path = filename + ".json"
  45 +
  46 + f = open(path, "a")
  47 + f.write(body.decode("utf-8"))
  48 + f.close()
  49 + print("file written : %s" % path)
  50 +
  51 +
  52 +def step0(endpoint):
  53 + downlink.FlushQueue(endpoint.EUI)
  54 + downlink.Lorasend(endpoint.EUI, b'\x46')
  55 + print("State: The data sent by Gateway")
  56 +
  57 +
  58 +def step1(endpoint):
  59 + T3 = 222333
  60 + T4 = 1112223
  61 + print ("T3 : %s" % T3.to_bytes(4, 'big'))
  62 + print ("T4 : %s" % T4.to_bytes(4, 'big'))
  63 + T = T4 << 32| T3
  64 + print ("T : %s" % T)
  65 + print ("T : %s" % T.to_bytes(8, 'big'))
  66 + downlink.FlushQueue(endpoint.EUI)
  67 + # send all data
  68 + downlink.Lorasend(endpoint.EUI, T.to_bytes(8, 'big'))
  69 +
  70 +
  71 +def reset(endpoint):
  72 + downlink.FlushQueue(endpoint.EUI)
  73 + downlink.Lorasend(endpoint.EUI, b'\x55') #initialisation packet
  74 + print("enpoint reset : %s" % endpoint.EUI)
  75 +
  76 +
  77 +def postcompute(event, body, Tn):
  78 + global data
  79 + print(datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
  80 +
  81 + json_ = json.loads(body)
  82 + endpoint = Endpoint()
  83 + endpoint.EUIfromjson(json_)
  84 +
  85 + print("request from :\nEUI : %s" % endpoint.EUI)
  86 + print("name : %s" % json_['deviceName'])
  87 + # write json in a file
  88 + WriteFile(body, event)
  89 +
  90 + print("event : %s " % event)
  91 + print(datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
  92 + #treat all cases
  93 + if event == 'up':
  94 + #b64 to bytes
  95 + data = base64.b64decode(json_["data"])
  96 + #bytes to integer
  97 + #integer = int.from_bytes(data, 'big')
  98 + print("data received from Endpoint : ")
  99 + print("base 64 : %s" % json_["data"])
  100 + print("bytes : %s" % data)
  101 + #print("int : %s" % integer)
  102 + print()
  103 + print(datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
  104 + data = int.from_bytes(data, 'big')
  105 + print("data : %s" % data)
  106 + print("fin")
  107 + elif event == 'txack':
  108 + print("data : %s" % data)
  109 + if data == 0x5374617274 : # 0x5374617274 : Start
  110 + step0(endpoint)
  111 + elif data == 0x54696D6573: # 0x54696D6573 : Times
  112 + step1(endpoint)
  113 + else:
  114 + print("error : uncovered State")
  115 + reset(endpoint)
  116 + elif event == 'error':
  117 + print('error : ' + json_["error"])
  118 + else:
  119 + print("possible error : uncovered event")
  120 + print(body)
  121 + reset(endpoint)
  122 + print()
  123 +
  124 +print("Chirpstack server for downlink : %s" % downlink.server)
gw_RPi3/python/gate.py
Diff comments   View file @ 7e6be93
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  1 +#!/usr/bin/env python3
  2 +# -*- coding: utf-8 -*-
  3 +"""
  4 +Do not execute directly.
  5 +Please execute gateway_http_downlink.py
  6 +
  7 +Created on Tue Jun 8 16:37:22 2021
  8 +
  9 +@author: Georges de Massol
  10 +"""
  11 +
  12 +from gateway_http_downlink import Downlink
  13 +
  14 +from Endpoint import Endpoint
  15 +
  16 +import time
  17 +from datetime import datetime
  18 +import os
  19 +import json
  20 +import base64
  21 +
  22 +
  23 +
  24 +APIKey = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhcGlfa2V5X2lkIjoiYzA2ZGY1MDMtNjE5Zi00ZjI2LTgxNzEtYTU0OTRmMWJmYmRmIiwiYXVkIjoiYXMiLCJpc3MiOiJhcyIsIm5iZiI6MTYyMjY1MzMzMSwic3ViIjoiYXBpX2tleSJ9.23eLyvgd5zheP9hDM0acCAl9ojhQjLTZAU77IKqhvQY'
  25 +server = 'localhost:8080'
  26 +#just defining an instance to be used
  27 +downlink = Downlink(server, APIKey)
  28 +directory = '/home/pi/python/'
  29 +
  30 +
  31 +State = 0
  32 +
  33 +def WriteFile(body, event):
  34 + filename = directory + "log/" + \
  35 + time.strftime("%Y_%m_%d_%H-%M-%S") + '_' + event
  36 + # in case of unexisting folder 'log'
  37 + if not os.path.exists(directory + 'log'):
  38 + os.mkdir(directory + 'log')
  39 + # in case of already existing file :
  40 + if os.path.exists(filename + ".json"):
  41 + i = 2
  42 + while(os.path.exists(filename + '_' + str(i) + ".json")):
  43 + i += 1
  44 + path = filename + '_' + str(i) + ".json"
  45 + else:
  46 + path = filename + ".json"
  47 +
  48 + f = open(path, "a")
  49 + f.write(body.decode("utf-8"))
  50 + f.close()
  51 + print("file written : %s" % path)
  52 +
  53 +
  54 +def step0(Tn, endpoint):
  55 + global T2, State
  56 + print("Last State sss : %s" % State)
  57 + if State != 0:
  58 + print("probable error : message unexpected :")
  59 + print("Last State sss : %s" % State)
  60 + print("Current State : 0")
  61 + #reset()
  62 + T2 = Tn
  63 + State = 0
  64 +
  65 +def step1(data, endpoint):
  66 + global T3, State, dTg
  67 + T3 = data
  68 + State = 1
  69 +
  70 + #time spent by gateway between uplink and downlink
  71 + dTg = T3+1
  72 + print ("Tg : %s" % dTg.to_bytes(4, 'big'))
  73 + downlink.FlushQueue(endpoint.EUI)
  74 + # send all data for step 3
  75 + downlink.Lorasend(endpoint.EUI, b'\x01' + dTg.to_bytes(4, 'big'))
  76 +
  77 +def step2(endpoint, data):
  78 + global State
  79 +
  80 + if State != 1:
  81 + print("probable error : message unexpected :")
  82 + print("Last State : %s" % State)
  83 + print("Current State : 2")
  84 + reset()
  85 +
  86 + State = 2
  87 +
  88 + dTe = int.from_bytes(data, 'big')
  89 + dTv = (dTe - dTg)/2
  90 + print("time of flight (samples number) : %s" % dTv)
  91 + print("time of flight (microseconds) : %s" % (dTv * 0.0005)) ## 1 sample = 500ns
  92 +
  93 +def step3(endpoint):
  94 + global State
  95 + State = 3
  96 +
  97 + #reset the endpoint
  98 + reset(endpoint)
  99 +
  100 +def reset(endpoint):
  101 + global State
  102 + downlink.FlushQueue(endpoint.EUI)
  103 + downlink.Lorasend(endpoint.EUI, b'\x55')#initialisation packet
  104 + print("enpoint reset : %s" % endpoint.EUI)
  105 + State = 0
  106 +def postcompute(event, body, Tn):
  107 + print("D")
  108 + global data
  109 + print(datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
  110 +
  111 + json_ = json.loads(body)
  112 + endpoint = Endpoint()
  113 + endpoint.EUIfromjson(json_)
  114 +
  115 + print("request from :\nEUI : %s" % endpoint.EUI)
  116 + print("name : %s" % json_['deviceName'])
  117 + # write json in a file
  118 + WriteFile(body, event)
  119 +
  120 +
  121 + print("event : %s " % event)
  122 + print(datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
  123 + #treat all cases
  124 + if event == 'up':
  125 + #b64 to bytes
  126 + data = base64.b64decode(json_["data"])
  127 + #bytes to integer
  128 + integer = int.from_bytes(data, 'big')
  129 + print("data received from Endpoint : ")
  130 + print("base 64 : %s" % json_["data"])
  131 + print("bytes : %s" % data)
  132 + print("int : %s" % integer)
  133 + print()
  134 +
  135 + step = data[0]
  136 + print("step : %s" % step)
  137 + print("data : %s" % data[1:])
  138 + if step == 0:
  139 + step0(Tn, endpoint)
  140 + elif step == 2:
  141 + step2(endpoint, data[1:])
  142 + else:
  143 + print("error : uncovered step : %s" % step)
  144 + reset(endpoint)
  145 + print(datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
  146 + data = int.from_bytes(data, 'big')
  147 + print("fin")
  148 + elif event == 'txack':
  149 + print("data sent to endpoint")
  150 + if State == 0:
  151 + step1(data, endpoint)
  152 + elif State == 2:
  153 + step3(endpoint)
  154 + else:
  155 + print('error : state %s not expected', State)
  156 + reset(endpoint)
  157 +
  158 + elif event == 'error':
  159 + print('error : ' + json_["error"])
  160 + else:
  161 + print("possible error : uncovered event")
  162 + print(body)
  163 + reset(endpoint)
  164 + print()
  165 +print("Chirpstack server for downlink : %s" % downlink.server)
gw_RPi3/python/gateway.py
Diff comments   View file @ 7e6be93
... ... @@ -0,0 +1,199 @@
  1 +#!/usr/bin/env python3
  2 +# -*- coding: utf-8 -*-
  3 +"""
  4 +Do not execute directly.
  5 +Please execute gateway_http_downlink.py
  6 +
  7 +Created on Tue Jun 8 16:37:22 2021
  8 +
  9 +@author: Georges de Massol
  10 +"""
  11 +
  12 +from gateway_http_downlink import Downlink
  13 +
  14 +from Endpoint import Endpoint
  15 +
  16 +import time
  17 +from datetime import datetime
  18 +import os
  19 +import json
  20 +import base64
  21 +
  22 +
  23 +APIKey = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhcGlfa2V5X2lkIjoiYzA2ZGY1MDMtNjE5Zi00ZjI2LTgxNzEtYTU0OTRmMWJmYmRmIiwiYXVkIjoiYXMiLCJpc3MiOiJhcyIsIm5iZiI6MTYyMjY1MzMzMSwic3ViIjoiYXBpX2tleSJ9.23eLyvgd5zheP9hDM0acCAl9ojhQjLTZAU77IKqhvQY'
  24 +server = 'localhost:8080'
  25 +#just defining an instance to be used
  26 +downlink = Downlink(server, APIKey)
  27 +directory = '/home/pi/python/'
  28 +
  29 +
  30 +State = 0
  31 +
  32 +def WriteFile(body, event):
  33 + filename = directory + "log/" + \
  34 + time.strftime("%Y_%m_%d_%H-%M-%S") + '_' + event
  35 + # in case of unexisting folder 'log'
  36 + if not os.path.exists(directory + 'log'):
  37 + os.mkdir(directory + 'log')
  38 + # in case of already existing file :
  39 + if os.path.exists(filename + ".json"):
  40 + i = 2
  41 + while(os.path.exists(filename + '_' + str(i) + ".json")):
  42 + i += 1
  43 + path = filename + '_' + str(i) + ".json"
  44 + else:
  45 + path = filename + ".json"
  46 +
  47 + f = open(path, "a")
  48 + f.write(body.decode("utf-8"))
  49 + f.close()
  50 + print("file written : %s" % path)
  51 +
  52 +
  53 +def step0(Tn, endpoint):
  54 + global T2, State
  55 +
  56 + print("Last State sss : %s" % State)
  57 + if State != 0:
  58 + print("probable error : message unexpected :")
  59 + print("Last State sss : %s" % State)
  60 + print("Current State : 0")
  61 + #reset()
  62 + T2 = Tn
  63 + State = 0
  64 +
  65 +State=0
  66 +dTg=0
  67 +T3=0
  68 +
  69 +def step1(data, endpoint):
  70 + global T3, State, dTg
  71 + T3 = data
  72 + State = 1
  73 +
  74 + #time spent by gateway between uplink and downlink
  75 + dTg = T3+1
  76 + print ("Tg : %s" % dTg.to_bytes(4, 'big'))
  77 + downlink.FlushQueue(endpoint.EUI)
  78 + # send all data for step 3
  79 + downlink.Lorasend(endpoint.EUI, b'\x01' + dTg.to_bytes(7, 'big'))
  80 +
  81 +
  82 +
  83 +def step2(endpoint, data):
  84 + global State, dTg
  85 +
  86 + if State != 1:
  87 + print("probable error : message unexpected :")
  88 + print("Last State : %s" % State)
  89 + print("Current State : 2")
  90 + reset(endpoint)
  91 +
  92 + State = 2
  93 +
  94 + dTe = int.from_bytes(data, 'big')
  95 + dTv = (dTe - dTg)/2
  96 + print("time of flight (samples number) : %s" % dTv)
  97 + print("time of flight (microseconds) : %s" % (dTv * 0.0005)) ## 1 sample = 500ns
  98 +
  99 +def step3(endpoint):
  100 + global State
  101 + State = 3
  102 +
  103 + #reset the endpoint
  104 + reset(endpoint)
  105 +
  106 +def reset(endpoint):
  107 + global State
  108 + downlink.FlushQueue(endpoint.EUI)
  109 + downlink.Lorasend(endpoint.EUI, b'\x55')#initialisation packet
  110 + print("enpoint reset : %s" % endpoint.EUI)
  111 + State = 0
  112 +def postcompute(event, body, Tn):
  113 + print("D")
  114 + global data
  115 + print(datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
  116 +
  117 + json_ = json.loads(body)
  118 + endpoint = Endpoint()
  119 + endpoint.EUIfromjson(json_)
  120 +
  121 + print("request from :\nEUI : %s" % endpoint.EUI)
  122 + print("name : %s" % json_['deviceName'])
  123 + # write json in a file
  124 + WriteFile(body, event)
  125 +
  126 + print("event : %s " % event)
  127 + print(datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
  128 + #treat all cases
  129 + if event == 'up':
  130 + #b64 to bytes
  131 + data = base64.b64decode(json_["data"])
  132 + #bytes to integer
  133 + integer = int.from_bytes(data, 'big')
  134 + print("data received from Endpoint : ")
  135 + print("base 64 : %s" % json_["data"])
  136 + print("bytes : %s" % data)
  137 + print("int : %s" % integer)
  138 + print()
  139 +
  140 + step = data[0]
  141 + print("step : %s" % step)
  142 + print("data : %s" % data[1:])
  143 + if step == 0:
  144 + step0(Tn, endpoint)
  145 + elif step == 2:
  146 + step2(endpoint, data[1:])
  147 + else:
  148 + print("error : uncovered step : %s" % step)
  149 + reset(endpoint)
  150 + """
  151 + print("preparation des donnees pour envoi a la prochaine connection du EndNode")
  152 + print(datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
  153 + print("message pour : %s" % endpoint.EUI)
  154 + print("message int : %s" % integer)
  155 + #send a LoRa packet
  156 + fCnt = downlink.Lorasend(endpoint.EUI, data)
  157 + # Print the downlink frame-counter value.
  158 + print("fCnt : %s" % fCnt)
  159 + """
  160 +
  161 + print(datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
  162 + data = int.from_bytes(data, 'big')
  163 + print("fin")
  164 + elif event == 'txack':
  165 + print("data sent to endpoint")
  166 + if State == 0:
  167 + step1(data, endpoint)
  168 + elif State == 2:
  169 + step3(endpoint)
  170 + else:
  171 + print('error : state %s not expected', State)
  172 + reset(endpoint)
  173 +
  174 + elif event == 'error':
  175 + print('error : ' + json_["error"])
  176 + else:
  177 + print("possible error : uncovered event")
  178 + print(body)
  179 + reset(endpoint)
  180 + print()
  181 +
  182 +
  183 +
  184 +# def start():
  185 +# ok = False
  186 +# while not ok:
  187 +# try:
  188 +# Time = time.time()
  189 +# fCnt = downlink.Lorasend("70b3d549966002e1", Time)
  190 +# print(fCnt)
  191 +# time.sleep(5)
  192 +# ok = True
  193 +# except:
  194 +# pass
  195 +#
  196 +# start()
  197 +
  198 +#print ("Chirpstack API Key :\n%s" % downlink.api_token)
  199 +print("Chirpstack server for downlink : %s" % downlink.server)
gw_RPi3/python/gateway_http_downlink.py
Diff comments   View file @ 7e6be93
... ... @@ -0,0 +1,95 @@
  1 +#!/usr/bin/env python3
  2 +# -*- coding: utf-8 -*-
  3 +"""
  4 +Created on Tue Jun 8 16:03:39 2021
  5 +
  6 +@author: Georges de Massol
  7 +"""
  8 +import grpc
  9 +from chirpstack_api.as_pb.external import api
  10 +
  11 +class Downlink:
  12 + def __init__(self, server = "localhost:8080", api_token = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhcGlfa2V5X2lkIjoiYzA2ZGY1MDMtNjE5Zi00ZjI2LTgxNzEtYTU0OTRmMWJmYmRmIiwiYXVkIjoiYXMiLCJpc3MiOiJhcyIsIm5iZiI6MTYyMjY1MzMzMSwic3ViIjoiYXBpX2tleSJ9.23eLyvgd5zheP9hDM0acCAl9ojhQjLTZAU77IKqhvQY'):
  13 + """
  14 +
  15 + Parameters
  16 + ----------
  17 + server : string, optional
  18 + Chirpstack server adress, with port. The default is "localhost:8080".
  19 + api_token : TYPE, optional
  20 + Chirpstack API token.
  21 +
  22 + Returns
  23 + -------
  24 + None.
  25 +
  26 + """
  27 + # This must point to the API interface.
  28 + self.server = server
  29 +
  30 + # The DevEUI for which you want to enqueue the downlink.
  31 + #dev_eui = bytes([0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01])
  32 +
  33 + # The API token (retrieved using the web-interface).
  34 + self.api_token = api_token
  35 +
  36 + def Lorasend(self, dev_eui, data):
  37 + """
  38 +
  39 + Parameters
  40 + ----------
  41 + dev_eui : hex
  42 + The DevEUI for which you want to enqueue the downlink.
  43 + data : bytes
  44 + Data to be sent to the endpoint.
  45 +
  46 + Returns
  47 + -------
  48 + fCnt : int
  49 + Downlink frame-counter value.
  50 +
  51 + """
  52 + # Connect without using TLS.
  53 + channel = grpc.insecure_channel(self.server)
  54 +
  55 + # Device-queue API client.
  56 + client = api.DeviceQueueServiceStub(channel)
  57 +
  58 + # Define the API key meta-data.
  59 + auth_token = [("authorization", "Bearer %s" % self.api_token)]
  60 +
  61 + # Construct request.
  62 + req = api.EnqueueDeviceQueueItemRequest()
  63 + req.device_queue_item.confirmed = False
  64 + req.device_queue_item.data = bytes(data)
  65 + req.device_queue_item.dev_eui = dev_eui
  66 + req.device_queue_item.f_port = 10
  67 +
  68 + resp = client.Enqueue(req, metadata=auth_token)
  69 +
  70 + return resp.f_cnt
  71 + def FlushQueue(self, dev_eui):
  72 + """
  73 + Flush the downlink queue of an endpoint.
  74 +
  75 + Parameters
  76 + ----------
  77 + dev_eui : hex
  78 + Endpoint EUI.
  79 +
  80 + """
  81 + # Connect without using TLS.
  82 + channel = grpc.insecure_channel(self.server)
  83 +
  84 + # Device-queue API client.
  85 + client = api.DeviceQueueServiceStub(channel)
  86 +
  87 + # Define the API key meta-data.
  88 + auth_token = [("authorization", "Bearer %s" % self.api_token)]
  89 +
  90 +
  91 + req = api.FlushDeviceQueueRequest()
  92 + req.dev_eui = dev_eui
  93 +
  94 + client.Flush(req, metadata=auth_token)
  95 +
0 96 \ No newline at end of file
gw_RPi3/python/gateway_http_uplink.py
Diff comments   View file @ 7e6be93
... ... @@ -0,0 +1,75 @@
  1 +#!/usr/bin/env python3
  2 +# -*- coding: utf-8 -*-
  3 +"""
  4 +Script to be executed.
  5 +Open a http server with function serve_forever(port)
  6 +
  7 +Created on Wed Jun 9 10:56:11 2021
  8 +
  9 +@author: Georges de Massol
  10 +"""
  11 +
  12 +
  13 +
  14 +from http.server import HTTPServer, BaseHTTPRequestHandler
  15 +import urllib.parse
  16 +import gateway
  17 +import test_gateway
  18 +import gat
  19 +ip = 'localhost'
  20 +
  21 +class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
  22 + def do_GET(self):
  23 + self.send_response(200)
  24 + self.end_headers()
  25 + self.wfile.write(b'Serveur uplink en marche!')
  26 + print("do_get")
  27 +
  28 + def do_POST(self):
  29 + print("do_post00")
  30 +
  31 + # ↓↓↓ Lecture de la dernière valeur de GNU Radio ↓↓↓
  32 + # la lecture est faite le plus tôt possible pour éviter tout parasitage par un autre appareil.
  33 +
  34 + # Tn : échantillon n
  35 + Tn = 123456
  36 + # ↑↑↑ Lecture de la dernière valeur de GNU Radio ↑↑↑
  37 + content_length = int(self.headers['Content-Length'])
  38 + body = self.rfile.read(content_length)
  39 + self.send_response(200)
  40 + self.end_headers()
  41 + print(urllib.parse.urlparse(self.path))
  42 + print("do_post0")
  43 + # print(urllib.parse.parse_qs(urllib.parse.urlparse(self.path).query))
  44 + event = urllib.parse.parse_qs(urllib.parse.urlparse(self.path).query).get('event', None)[0]
  45 + print("do_post1")
  46 + gat.postcompute(event, body, Tn)
  47 + print("do_post2")
  48 +
  49 +def serve_forever(port = 6666):
  50 + """
  51 + Function executed permanently.
  52 + Do not run code after this function.
  53 +
  54 + Parameters
  55 + ----------
  56 + port : int, optional
  57 + Port for the server. The default is 6666.
  58 +
  59 + Returns
  60 + -------
  61 + None.
  62 +
  63 + """
  64 + print("d1")
  65 +
  66 + httpd = HTTPServer((ip, port), SimpleHTTPRequestHandler)
  67 + print("d2")
  68 + print("http server for uplink started on {}:{}\n".format(ip, port))
  69 + print("d3")
  70 + httpd.serve_forever()
  71 + print("d4")
  72 +
  73 +
  74 +#do not add code then
  75 +serve_forever()
gw_RPi3/python/test_gateway.py
Diff comments   View file @ 7e6be93
... ... @@ -0,0 +1,23 @@
  1 +#!/usr/bin/env python3
  2 +# -*- coding: utf-8 -*-
  3 +"""
  4 +
  5 +Code de test pour envoyer des requetes au gateway.
  6 +
  7 +Created on Fri Jun 11 09:12:11 2021
  8 +
  9 +@author: Georges de Massol
  10 +"""
  11 +
  12 +import gateway as gw
  13 +
  14 +gw.server = '192.168.1.180:8080'
  15 +EUI = "70b3d549966002e1"
  16 +endpoint = gw.Endpoint(EUI)
  17 +downlink = gw.Downlink(gw.server, gw.APIKey)
  18 +#fCnt = downlink.Lorasend(endpoint.EUI, b'\x01' + int(10000).to_bytes(4, 'big'))
  19 +downlink.FlushQueue(endpoint.EUI)
  20 +print("queue flushed")
  21 +fCnt = downlink.Lorasend(endpoint.EUI, b'\x55')
  22 +print("premier paquet envoye, fCnT : %s" % fCnt)
  23 +#downlink.ResetCounter(endpoint.EUI)