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			105 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			105 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
from __future__ import unicode_literals
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import os
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import threading
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import time
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import serial
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import ttfw_idf
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from tiny_test_fw import Utility
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class SerialThread(object):
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    '''
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    Connect to serial port and fake responses just like from a real modem
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    '''
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    # Dictionary for transforming received AT command to expected response
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    AT_FSM = {b'AT+CGMM': b'0G Dummy Model',
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              b'AT+CGSN': b'0123456789',
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              b'AT+CIMI': b'ESP',
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              b'AT+COPS?': b'+COPS: 0,0,"ESP Network"',
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              b'AT+CSQ': b'+CSQ: 4,0',
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              b'AT+CBC': b'+CBC: 0,50',
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              b'ATD*99***1#': b'CONNECT',
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              }
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    def run(self, log_path, exit_event):
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        with serial.Serial(self.port, 115200) as ser, open(log_path, 'w') as f:
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            buff = b''
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            while not exit_event.is_set():
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                time.sleep(0.1)
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                buff += ser.read(ser.in_waiting)
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                if not buff.endswith(b'\r'):
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                    continue  # read more because the complete command wasn't yet received
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                cmd_list = buff.split(b'\r')
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                buff = b''
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                for cmd in cmd_list:
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                    if len(cmd) == 0:
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                        continue
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                    snd = self.AT_FSM.get(cmd, b'')
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                    if snd != b'':
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                        snd += b'\n'
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                    snd += b'OK\n'
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                    f.write('Received: {}\n'.format(repr(cmd.decode())))
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                    f.write('Sent: {}\n'.format(repr(snd.decode())))
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                    ser.write(snd)
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    def __init__(self, port, log_path):
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        self.port = port
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        self.exit_event = threading.Event()
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        self.t = threading.Thread(target=self.run, args=(log_path, self.exit_event,))
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        self.t.start()
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    def __enter__(self):
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        return self
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    def __exit__(self, type, value, traceback):
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        self.exit_event.set()
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        self.t.join(60)
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        if self.t.is_alive():
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            Utility.console_log('The serial thread is still alive', 'O')
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@ttfw_idf.idf_example_test(env_tag='Example_PPP')
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def test_examples_pppos_client(env, extra_data):
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    rel_project_path = 'examples/protocols/pppos_client'
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    dut = env.get_dut('pppos_client', rel_project_path)
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    project_path = os.path.join(dut.app.get_sdk_path(), rel_project_path)
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    modem_port = '/dev/ttyUSB{}'.format(0 if dut.port.endswith('1') else 1)
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    with SerialThread(modem_port, os.path.join(project_path, 'serial.log')):
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        dut.start_app()
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        dut.expect_all('pppos_example: Module: 0G Dummy Model',
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                       'pppos_example: Operator: "ESP Network"',
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                       'pppos_example: IMEI: 0123456789',
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                       'pppos_example: IMSI: ESP',
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                       'pppos_example: rssi: 4, ber: 0',
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                       'pppos_example: Battery voltage: 0 mV',
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                       'pppos_example: Modem PPP Started',
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                       timeout=60)
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    cmd = ('pppd {} 115200 10.0.0.1:10.0.0.2 logfile {} local noauth debug nocrtscts nodetach +ipv6'
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           ''.format(modem_port, os.path.join(project_path, 'ppp.log')))
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    with ttfw_idf.CustomProcess(cmd, '/dev/null'):  # Nothing is printed here
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        dut.expect_all('pppos_example: Modem Connect to PPP Server',
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                       'pppos_example: IP          : 10.0.0.2',
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                       'pppos_example: Netmask     : 255.255.255.255',
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                       'pppos_example: Gateway     : 10.0.0.1',
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                       'pppos_example: Name Server1: 0.0.0.0',
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                       'pppos_example: Name Server2: 0.0.0.0',
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                       'pppos_example: GOT ip event!!!',
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                       'pppos_example: MQTT other event id: 7',
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                       # There are no fake DNS server and MQTT server set up so the example fails at this point
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                       'esp-tls: couldn\'t get hostname',
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                       'MQTT_CLIENT: Error transport connect',
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                       'pppos_example: MQTT_EVENT_ERROR',
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                       'pppos_example: MQTT_EVENT_DISCONNECTED')
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if __name__ == '__main__':
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    test_examples_pppos_client()
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