79 lines
2.3 KiB
Python
Executable File
79 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python3
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import dateutil.parser
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import sqlite3
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import matplotlib.dates
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import matplotlib.pyplot
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import matplotlib.pyplot as plt
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from decode_msg import decode_msg
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if __name__ == "__main__":
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conn = sqlite3.connect('gateway_packages.db')
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c = conn.cursor()
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c.execute('SELECT * FROM `PACKETS`')
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dates = []
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values_temp = []
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values_press = []
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values_bat_val = []
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values_cell_val = []
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for line in c.fetchall():
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try:
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line = list(line)
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msg = {'id': line[0],
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'datetime': line[1],
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'data': bytes(line[2]).hex(),
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'frequency': line[3],
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'crc': line[4],
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'pkt_snr': line[5],
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'pkt_rssi': line[6],
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'rssi': line[7]}
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if not msg['crc']:
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continue
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decoded = decode_msg(msg['data'])
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# weather report
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if decoded['type'] == 0x10:
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datetime = dateutil.parser.parse(msg['datetime'])
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temperatur = None
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pressure = None
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battery_voltage = None
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solar_voltage = None
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for val in decoded['values']:
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if val['id'] == 0x20:
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temperatur = val['val']
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elif val['id'] == 0x22:
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pressure = val['val']
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elif val['id'] == 0x80:
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battery_voltage = val['val']
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elif val['id'] == 0x90:
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solar_voltage = val['val']
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dates.append(datetime)
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values_temp.append(temperatur)
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values_press.append(pressure)
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values_bat_val.append(battery_voltage)
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values_cell_val.append(solar_voltage)
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except:
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print("ERROR in: ", line)
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print('plot!')
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fig, ax1 = plt.subplots()
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ax1.set_xlabel('time')
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ax1.set_ylabel('voltage')
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ax1.plot_date(dates, values_bat_val, linestyle='solid', marker='None', label='Battery Voltage')
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ax1.plot_date(dates, values_cell_val, linestyle='solid', marker='None', label='Solar Cell Voltage')
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ax1.plot_date(dates, values_press, linestyle='solid', marker='None', label='Temperatur')
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plt.legend()
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matplotlib.pyplot.show()
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