kopia lustrzana https://github.com/espressif/esp-idf
126 wiersze
4.8 KiB
Python
126 wiersze
4.8 KiB
Python
import re
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import subprocess
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import time
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from TCAction import PerformanceTCBase
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from TCAction import TCActionBase
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from NativeLog import NativeLog
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from comm.NIC import Adapter
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MIN_PACKETS_TO_CHECK = 10
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class TestCase(PerformanceTCBase.PerformanceTCBase):
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INTERVAL_PATTERN = re.compile("(0x[0-9A-Fa-f]+)-(0x[0-9A-Fa-f]+)")
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def __init__(self, test_case, test_env, timeout, log_path):
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PerformanceTCBase.PerformanceTCBase.__init__(self, test_case, test_env, timeout, log_path)
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self.interval_list = []
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self.deviation = 0
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# load param from excel
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cmd_set = test_case["cmd set"]
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for i in range(1, len(cmd_set)):
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if cmd_set[i][0] != "dummy":
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cmd_string = "self." + cmd_set[i][0]
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exec cmd_string
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self.result_cntx = TCActionBase.ResultCheckContext(self, test_env, self.tc_name)
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pass
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def process_packets(self, packets, interval):
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def convert_ts(ts):
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return float("%s.%s" % (ts["second"], ts["microsecond"]))
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def filter_packets():
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_filtered_packets = []
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mac_address = self.get_parameter("dut1_bt_mac")
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for _packet in packets:
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packet_str = str(_packet)
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if "[le_sub_event_code]: LEAdvReport" in packet_str \
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and "[address_0]: %s" % mac_address in packet_str:
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_filtered_packets.append(_packet)
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# sort by time
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_filtered_packets.sort(key=lambda x: convert_ts(x.ts))
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return _filtered_packets
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filtered_packets = filter_packets()
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# add captured packets to log
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for packet in filtered_packets:
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self.result_check("BLENIC", str(packet))
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# flush data cache to free memory
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self.flush_data("BLENIC")
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# scan will switch channel, therefore need to check if there're successive fails
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succeed_packets = 0
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# process packets
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# unit: ms; allow deviation for interval
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allowed_range = [float(interval[0] * (1 - self.deviation) * 0.625) / 1000,
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float(interval[1] * (1 + self.deviation) * 0.625) / 1000]
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NativeLog.add_trace_info("[BLE][AdvInterval] allowed_interval_range is %s" % allowed_range)
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for i in range(len(filtered_packets) - 1):
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_p1 = filtered_packets[i]
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_p2 = filtered_packets[i+1]
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interval = convert_ts(_p2.ts) - convert_ts(_p1.ts)
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if allowed_range[0] < interval < allowed_range[1]:
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succeed_packets += 1
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else:
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pass
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result = True if succeed_packets >= MIN_PACKETS_TO_CHECK else False
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return result
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def execute(self):
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TCActionBase.TCActionBase.execute(self)
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test_result = "Succeed"
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# open capture device
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adapter = Adapter.Adapter(self.get_parameter("bt_capture_nic"), "capture", capture_type="bluetooth")
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ret = adapter.start_capture()
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if ret != "LIBPCAP_SUCCEED":
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NativeLog.add_trace_critical("Can't start capture packets: %s" % ret)
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return
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def run_test_once(interval):
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# flush all packets
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adapter.get_packets()
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# config ble adv data
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self.serial_write_line("SSC1", "bleadv -D -z stop")
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self.check_response("SSC1", "+BLEADV")
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self.serial_write_line("SSC1", "bleadv -L -c 0 -t 3")
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self.check_response("SSC1", "+BLEADV")
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# set adv param and start adv
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self.serial_write_line("SSC1", "bleadv -D -z start -i 0x%04X-0x%04X -h 1" % (interval[0], interval[1]))
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self.check_response("SSC1", "+BLEADV:OK")
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# set scan window = scan interval = 2s, scan for 6s, each channel scan 2 second.
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subprocess.check_output("hcitool cmd 0x08 0x000b 0x00 0x80 0x0c 0x80 0x0c 0x00 0x00\n", shell=True)
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subprocess.check_output("hcitool cmd 0x08 0x000c 0x01 0x00\n", shell=True)
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time.sleep(6)
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subprocess.check_output("hcitool cmd 0x08 0x000c 0x00 0x00\n", shell=True)
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packets = adapter.get_packets()
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return self.process_packets(packets, interval)
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for _interval in self.interval_list:
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match = self.INTERVAL_PATTERN.search(_interval)
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if match is not None:
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if run_test_once([int(match.group(1), base=16), int(match.group(2), base=16)]) is False:
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NativeLog.add_trace_critical("Test fail for interval: %s." % _interval)
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test_result = "Fail"
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else:
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NativeLog.add_trace_critical("interval string format not correct: %s." % _interval)
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test_result = "Fail"
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pass
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self.set_result(test_result)
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def main():
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pass
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if __name__ == '__main__':
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pass
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