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#Authors: Oulis Evangelos, Oulis Nikolaos, Drosos Katsibras
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#===================================================================
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#!/usr/bin/env python
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import time
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import serial
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import requests
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import json
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with open('data.json') as json_file:
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server_par = json.load(json_file)
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server_ip = server_par['ip']
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server_port = server_par['port']
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if server_ip != None and server_port != None:
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API_ENDPOINT = 'http://' + server_ip + ':' + server_port + '/parkingStatus'
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parkingCode = "1"
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ser = serial.Serial(
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port='/dev/ttyACM0',
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baudrate = 9600,
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parity=serial.PARITY_NONE,
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stopbits=serial.STOPBITS_ONE,
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bytesize=serial.EIGHTBITS,
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timeout=1
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)
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counter=0
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prev_status = ser.readline()
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while 1:
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park_status = ser.readline()
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try:
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if park_status != prev_status:
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if b'1' in park_status:
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data = """{"no":""" + parkingCode + ""","status":1}"""
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r = requests.post(url = API_ENDPOINT, data = data)
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print("parking reserved. RESPONSE :", r.status_code, "\n")
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elif b'0' in park_status:
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data = """{"no":""" + parkingCode + ""","status":0}"""
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r = requests.post(url = API_ENDPOINT, data = data)
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print("parking not reserved. RESPONSE : ", r.status_code, "\n")
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except NameError:
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print("**Not already prev variable.\n")
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prev_status = park_status
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else:
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print("Create a *.json configuration like: {'ip' : 'xxx.xxx.xxx.xxx', 'port': 'xxxx'}")
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