这是一个针对特定应用的测试工具，主要实现两个串口设备之间自动通讯与测试。

界面如下：

讯享网

代码如下：

#!/usr/bin/env python # coding=utf-8 import serial import struct import time import math import threading import tkinter as tk from tkinter import ttk import tkinter.font as tkFont import serial.tools.list_ports import re import json class uploader(object): MAX_PACK_SIZE = 64 MAX_FLASH_PRGRAM_TIME = 0.001 # Time on an F7 to send SYNC, RESULT from last data in multi RXed def __init__(self, portname, baudrate_bootloader): # Open the port, keep the default timeout short so we can poll quickly. # On some systems writes can suddenly get stuck without having a # write_timeout > 0 set. # chartime 8n1 * bit rate is us self.chartime = 10 * (1.0 / baudrate_bootloader) # we use a window approche to SYNC,<result> gathring self.port = serial.Serial(portname, baudrate_bootloader, timeout=3, write_timeout=0) def close(self): if self.port is not None: self.port.close() def open(self): # upload timeout timeout = time.time() + 0.2 # attempt to open the port while it exists and until timeout occurs while self.port is not None: portopen = True try: portopen = self.port.is_open except AttributeError: portopen = self.port.isOpen() if not portopen and time.time() < timeout: try: self.port.open() except OSError: # wait for the port to be ready time.sleep(0.04) except serial.SerialException: # if open fails, try again later time.sleep(0.04) else: break def __send(self, c): # print("send " + binascii.hexlify(c)) self.port.write(c) def __recv(self, count=1): c = self.port.read(count) if len(c) < 1: raise RuntimeError("timeout waiting for data (%u bytes)" % count) # print("recv " + binascii.hexlify(c)) return c def __recv_uint8(self): uint8 = struct.unpack("<B", self.__recv(1)) return uint8[0] def __recv_int(self): raw = self.__recv(4) val = struct.unpack("<I", raw) return val[0] def receive_one_message(self): str_msg = self.port.readline() if len(str_msg) < 1: raise RuntimeError("timeout waiting for data") # print("recv " + binascii.hexlify(c)) return str_msg.decode('utf-8') class painter(object): PRINT_ON = 'print_on\r\n' PRINT_OFF = 'print_off\r\n' SET_ANTENNA_RF1 = '''ETST {"airAntSelect":"ant1"}\r\n''' SET_ANTENNA_RF2 = '''ETST {"airAntSelect":"ant2"}\r\n''' SET_ANTENNA_AUTO = '''ETST {"airAntSelect":"ant2"}\r\n''' FREQ_LIST = ['2410', '2427', '2444', '2461', '2478'] SET_VGA_HEAD = 'set_tx_vga ' SET_VGA_TAIL = ' \r\n' SET_GET_VGA = 'get_tx_vga\r\n' TEST_COUNT = 15 SET_TESTMODE = ['''ETST {"testMode":"enable","continuousTx":"disable","continuousRx":"disable","mcs":"BPSK_1/2(2.08Mbps)","loFreq":2410,"power_db":27}\r\n''', '''ETST {"testMode":"enable","continuousTx":"disable","continuousRx":"disable","mcs":"BPSK_1/2(2.08Mbps)","loFreq":2427,"power_db":27}\r\n''', '''ETST {"testMode":"enable","continuousTx":"disable","continuousRx":"disable","mcs":"BPSK_1/2(2.08Mbps)","loFreq":2444,"power_db":27}\r\n''', '''ETST {"testMode":"enable","continuousTx":"disable","continuousRx":"disable","mcs":"BPSK_1/2(2.08Mbps)","loFreq":2461,"power_db":27}\r\n''', '''ETST {"testMode":"enable","continuousTx":"disable","continuousRx":"disable","mcs":"BPSK_1/2(2.08Mbps)","loFreq":2478,"power_db":27}\r\n'''] RE_STR_GND = r'.*?fail:.*?([0-9]+).*?SNR:.*?([0-9]+).*?RSSI:.*?([0-9]+).*?RSSI_B:.*?([0-9]+).*?rx_F:.*?([0-9]+).*?stat:.*?([0-9])' RE_STR_AIR = r'.*?fail:.*?([0-9]+).*?SNR:.*?([0-9]+).*?RSSI:.*?([0-9]+).*?RSSI_B:.*?([0-9]+).*?rx_F:.*?([0-9]+).*?stat:.*?([0-9])' def __init__(self): self.file_path = None self.window = tk.Tk() scwidth = self.window.winfo_screenwidth() scheight = self.window.winfo_screenheight() window_size = '+%d' % ((scwidth - 900) / 2) + '+%d' % ((scheight - 700) / 2) self.warning = tk.StringVar() self.fail_RMS_input = tk.StringVar() self.snr_lmt_input = tk.StringVar() self.rssi_RMS_input = tk.StringVar() self.vga_initial_input = tk.StringVar() self.device_num_input = tk.StringVar() self.rssi_differ_input = tk.StringVar() self.auto_increase = tk.IntVar() self.freq_2410 = tk.IntVar() self.freq_2427 = tk.IntVar() self.freq_2444 = tk.IntVar() self.freq_2461 = tk.IntVar() self.freq_2478 = tk.IntVar() self.font_warning = tkFont.Font(size = 16, weight = tkFont.BOLD) self.window.title("三合一底噪灵敏度测试工具V0.6 2021-04-26") self.window.geometry(window_size) self.main_frame = tk.Frame(self.window) self.input_frame = tk.Frame(self.main_frame) self.label_port_fc = tk.Label(self.input_frame, text="飞机串口:", width=10) self.combox_port_fc = ttk.Combobox(self.input_frame, width=40) self.label_port_gs = tk.Label(self.input_frame, text="遥控器串口:", width=10) self.combox_port_gs = ttk.Combobox(self.input_frame, width=40) self.button_start = tk.Button(self.input_frame, text="打开\n串口", width=5, height=2, command=lambda: self.thread_it(self.start_test)) self.text_warning = tk.Label(self.input_frame, textvariable=self.warning, width=30, height=7, bg='white', wraplength = 330, font = self.font_warning) self.checkbox_frame = tk.Frame(self.main_frame) self.label_freq = tk.Label(self.checkbox_frame, text="测试频率:") self.checkbox_2410 = tk.Checkbutton(self.checkbox_frame, text="2410MHz ", width=10, variable=self.freq_2410) # , state = tk.DISABLED) self.checkbox_2427 = tk.Checkbutton(self.checkbox_frame, text="2427MHz ", width=10, variable=self.freq_2427) # , state = tk.DISABLED) self.checkbox_2444 = tk.Checkbutton(self.checkbox_frame, text="2444MHz ", width=10, variable=self.freq_2444) # , state = tk.DISABLED) self.checkbox_2461 = tk.Checkbutton(self.checkbox_frame, text="2461MHz ", width=10, variable=self.freq_2461) # , state = tk.DISABLED) self.checkbox_2478 = tk.Checkbutton(self.checkbox_frame, text="2478MHz ", width=10, variable=self.freq_2478) # , state = tk.DISABLED) self.label_fail_RMS = tk.Label(self.ch