2021-11-11 18:43:19 -05:00
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from flask import Flask, jsonify, request
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import sys
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import getopt
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import time
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import serial
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app = Flask(__name__)
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serial_port = '/dev/ttyUSB0'
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baud = 19200
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2021-11-12 03:09:02 -05:00
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'''
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2021-11-11 18:43:19 -05:00
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bands = {
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'6': '0',
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'10': '1',
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'12': '2',
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'15': '3',
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'17': '4',
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'20': '5',
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'30': '6',
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'40': '7',
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'60': '8',
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'80': '9',
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'160': '10'
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}
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2021-11-12 03:09:02 -05:00
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'''
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2021-11-11 18:43:19 -05:00
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vlcd = {
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'STA': '-',
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'PTT': '-',
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'BND': '-',
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'VLT': '-',
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'PEP': '-',
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'AVG': '-',
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'SWR': '-',
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'TMP': '-'
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}
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2021-11-12 03:09:02 -05:00
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'''
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2021-11-11 18:43:19 -05:00
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keying_methods = {
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"off" : "0",
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"ptt" : "1",
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"cor" : "2",
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"qrp" : "3"
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}
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2021-11-12 03:09:02 -05:00
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'''
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2021-11-11 18:43:19 -05:00
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def get_serial(port, baud):
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try:
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ser = serial.Serial(port, baud, timeout=2)
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return ser
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except serial.serialutil.SerialException as e:
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print("The following error has occured while opening the serial connecti on to {} with {} baud:".format(port, baud))
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print(e)
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sys.exit(2)
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2021-11-12 03:09:02 -05:00
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# sends a command to the
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2021-11-11 18:43:19 -05:00
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# Hardrock-50 via the serial interface
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2021-11-12 03:09:02 -05:00
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def send_cmd_via_serial(cmd):
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2021-11-11 18:43:19 -05:00
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ser = get_serial(serial_port, baud)
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res = None
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try:
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2021-11-12 03:09:02 -05:00
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command = cmd + ';'
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2021-11-11 18:43:19 -05:00
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ser.write(str.encode(command))
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res = ser.readline().decode("utf-8").rstrip()
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except Exception as e:
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print("The following error has occured while sending the command {} to t he HR50:".format(port, baud))
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print(e)
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ser.close()
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return res
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# Executed two commands vie the serial interface,
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# parsed the result ad polulates a dict with the
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# collected information
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def get_info():
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ser = get_serial(serial_port, baud)
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try:
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ser.write(b'HRRX;')
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time.sleep(0.5)
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res = ser.readline().decode("utf-8").rstrip().replace(';', '').split(',')
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except Exception as e:
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print("The following error has occured while sending the command {} to the HR50:".format(port, baud))
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print(e)
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ser.close()
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return None
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if res and len(res) > 3:
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vlcd['STA'] = res[0]
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vlcd['PTT'] = res[1]
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vlcd['BND'] = res[2]
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vlcd['TMP'] = res[3]
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vlcd['VLT'] = res[4]
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ser.write(b'HRMX;')
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time.sleep(0.5)
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res = ser.readline().decode("utf-8").rstrip().split()
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ser.close()
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vlcd['PEP'] = res[1][1:]
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vlcd['AVG'] = res[2][1:]
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if res[3][1:] != "0":
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vlcd['SWR'] = res[3][1:2] + "." + res[3][2:3]
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else:
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vlcd['PTT'] = "ERR"
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@app.route('/status')
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def get_status():
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get_info()
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return jsonify(vlcd)
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2021-11-12 03:09:02 -05:00
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@app.route('/', methods=['GET'])
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def send_command():
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try:
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cmd = request.args.get('cmd', default="", type=str)
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data = send_cmd_via_serial(cmd)
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return jsonify(isError= False,
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message= "Success",
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statusCode= 200,
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data= data), 200
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except Exception as e:
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return jsonify(isError= True,
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message= "Error",
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statusCode= 200,
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data= e), 200
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2021-11-11 18:43:19 -05:00
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