esp32-ble-beacon-locating-信标定位测试

""" Customize Led v1.0.1 Author: Walkline Wang Email : walkline@gmail.com GitHub: walkline80 Gitee: walkline License: MIT # IMPORTANT: THIS MODULE ONLY TESTED ON ESP32 BOARD """ from machine import Pin from utime import sleep_ms import _thread """ International Morse Code 1. The length of a dot is one unit. 2. A dash is three units. 3. The space between parts of the same letter is one unit. # 同一个字母的点划之间空 1 个单位 4. The space between letters is three units. # 同一个单词不同字母之间空 3 个单位 5. The space between words is serven units. # 不同单词之间空 7 个单位 Code Definition A: ·- B: -··· C: -·-· D: -·· E: · F: ··-· G: --· H: ···· I: ·· J: ·--- K: -·- L: ·-·· M: -- N: -· O: --- P: ·--· Q: --·- R: ·-· S: ··· T: - U: ··- V: ···- W: ·-- X: -··- Y: -·-- Z: --·· 1: ·---- 2: ··--- 3: ···-- 4: ····- 5: ····· 6: -···· 7: --··· 8: ---·· 9: ----· 0: ----- """ class MorseCodeException(BaseException): pass class MorseCode(object): ONE_UNIT = 200 __THREE_UNITS = 3 * ONE_UNIT __SEVEN_UNITS = 7 * ONE_UNIT __SPACE = 0 # 作为同一个字母点划之间的间隔（1 个单位） # E means end... DOT, DOT_E = (ONE_UNIT, __SPACE), (ONE_UNIT,) DASH, DASH_E = (__THREE_UNITS, __SPACE), (__THREE_UNITS,) # THREE_E：作为同一个单词不同字母之间的间隔（3个单位） # SEVEV_E：不好判断 Unicode 字符串，所以只接受 [空格] 作为单词分隔符并确定间隔时间（7 个单位） __THREE_E, __SEVEN_E = (__THREE_UNITS,), (__SEVEN_UNITS,) SUPPORTED_CODES = ( 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', ' ' ) __CODES = { 'a': (DOT, DASH_E), 'b': (DASH, DOT, DOT, DOT_E), 'c': (DASH, DOT, DASH, DOT_E), 'd': (DASH, DOT, DOT_E), 'e': ((DOT_E),), 'f': (DOT, DOT, DASH, DOT_E), 'g': (DASH, DASH, DOT_E), 'h': (DOT, DOT, DOT, DOT_E), 'i': (DOT, DOT_E), 'j': (DOT, DASH, DASH, DASH_E), 'k': (DASH, DOT, DASH_E), 'l': (DOT, DASH, DOT, DOT_E), 'm': (DASH, DASH_E), 'n': (DASH, DOT_E), 'o': (DASH, DASH, DASH_E), 'p': (DOT, DASH, DASH, DOT_E), 'q': (DASH, DASH, DOT, DASH_E), 'r': (DOT, DASH, DOT_E), 's': (DOT, DOT, DOT_E), 't': ((DASH_E),), 'u': (DOT, DOT, DASH_E), 'v': (DOT, DOT, DOT, DASH_E), 'w': (DOT, DASH, DASH_E), 'x': (DASH, DOT, DOT, DASH_E), 'y': (DASH, DOT, DASH, DASH_E), 'z': (DASH, DASH, DOT, DOT_E), '1': (DOT, DASH, DASH, DASH, DASH_E), '2': (DOT, DOT, DASH, DASH, DASH_E), '3': (DOT, DOT, DOT, DASH, DASH_E), '4': (DOT, DOT, DOT, DOT, DASH_E), '5': (DOT, DOT, DOT, DOT, DOT_E), '6': (DASH, DOT, DOT, DOT, DOT_E), '7': (DASH, DASH, DOT, DOT, DOT_E), '8': (DASH, DASH, DASH, DOT, DOT_E), '9': (DASH, DASH, DASH, DASH, DOT_E), '0': (DASH, DASH, DASH, DASH, DASH_E), ' ': (__SEVEN_E) } def __init__(self): pass def translate(self, message): assert isinstance(message, str), MorseCodeException("message must be a string") result = () code_list = [chr(letter) for letter in bytearray(message) if chr(letter) in self.SUPPORTED_CODES] print("translated msg: '{}'".format("".join(code_list))) for count in range(len(code_list)): current_code = self.__CODES[code_list[count]] result += current_code # print(current_code) if isinstance(current_code[-1], tuple): if len(current_code[-1]) == 1: try: next_code = self.__CODES[code_list[count + 1]] if next_code != self.__SEVEN_E: result += self.__THREE_E except IndexError: result += self.__THREE_E return result class LedException(BaseException): pass class Led(object): """ - 自定义 LED 功能包括： 1. 自定义闪烁频率 2. 自定义闪烁次数，包括无限闪烁 3. 摩尔斯码闪烁 4. 闪烁结束后的回调 内置几种常用的闪烁模式： 1. 快速闪烁 2. 中速闪烁 3. 慢速闪烁 4. 重启前闪烁，未实现 5. 启动时闪烁，未实现 6. 连接 wifi 时闪烁，未实现 """ __BLINK_FAST = 100 __BLINK_MEDIUM = 500 __BLINK_SLOW = 1000 COMB_REBOOT = COMB_2_SHORT_1_LONG = ((100, 50), (100, 50), (2000, 50)) def __init__(self, pin=None, callback=None): """ - 检查参数合法性，并初始化对象 """ assert pin is not None and isinstance(pin, int), LedException("pin must be a int") assert callback is None or isinstance(callback, type(lambda x:x)), LedException("callback must be None or a function") self.__led = Pin(pin, Pin.OUT, value=0) self.__callback = callback # callback function trigger after one blink self.__time_interval = 1000 # a time interval between two blinks, in ms self.__thread_start = False # threading start flag self.__terminate_loop = False # terminate one forever loop flag self.__terminate_all_loops = False # terminate all forever loops flag def deinit(self): """ - 停止所有闪烁并销毁对象，不会触发回调函数 """ self.__thread_start = False self.__terminate_loop = True self.__terminate_all_loops = True try: _thread.exit() finally: self.__led.value(0) self.__led = None def set_callback(self, f): self.__callback = f @property def time_interval(self): """ - 获取两次闪烁的间隔时间 """ return self.__time_interval @time_interval.setter def time_interval(self, value): """ - 设置两次闪烁的间隔时间 """ if isinstance(value, int): self.__time_interval = value def blink_morse(self, message, repeat=1, trigger=True): """ - 闪烁莫尔斯码 参数： message: 消息内容，支持的字符参考 MorseCode.SUPPORTED_CODES repeat: 重复次数，默认值 1，0 为无限循环，需要使用 stop() 终止循环 trigger: 是否触发回调函数，默认值 True """ morse = MorseCode() code_list = morse.translate(message) # print(code_list) self.__blink(morse_code=code_list, repeat=repeat, trigger=trigger) def blink_reboot(self): """ - 重启指示灯，闪烁 2 短 1 长，无重复，有回调 """ self.combination(self.COMB_REBOOT) def blink_fast(self, repeat=10, trigger=True): """ - 快速闪烁 参数： repeat: 重复次数，默认值 1，0 为无限循环，需要使用 stop() 终止循环 trigger: 是否触发回调函数，默认值 True """ self.__blink(self.__BLINK_FAST, self.__BLINK_FAST, repeat, trigger) def blink_medium(self, repeat=5, trigger=True): """ - 中速闪烁 参数： repeat: 重复次数，默认值 1，0 为无限循环，需要使用 stop() 终止循环 trigger: 是否触发回调函数，默认值 True """ self.__blink(self.__BLINK_MEDIUM, self.__BLINK_MEDIUM, repeat, trigger) def blink_slow(self, repeat=3, trigger=True): """ - 慢速闪烁 参数： repeat: 重复次数，默认值 1，0 为无限循环，需要使用 stop() 终止循环 trigger: 是否触发回调函数，默认值 True """ self.__blink(self.__BLINK_SLOW, self.__BLINK_SLOW, repeat, trigger) def customize(self, on_time=None, off_time=None, repeat=1, trigger=True): """ - 自定义闪烁 参数： on_time: 亮灯时长，默认值 None off_time: 灭灯时长，默认值 None repeat: 重复次数，默认值 1，0 为无限循环，需要使用 stop() 终止循环 trigger: 是否触发回调函数，默认值 True """ self.__blink(on_time, off_time, repeat, trigger) def combination(self, segments, repeat=1, trigger=True): """ - 组合闪烁 参数： segments: 闪烁片段元组，形如 ((on_time1, off_time1), (on_time2, off_time2), ...) 更多详情参考 Led.COMB_REBOOT repeat: 重复次数，默认值 1，0 为无限循环，需要使用 stop() 终