20251113更新

.gitignore

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+### Python template
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/latest/usage/project/#working-with-version-control
+.pdm.toml
+.pdm-python
+.pdm-build/
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+.idea/
+

WS2812/main.py

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+import utime
+
+
+class WS2812B:
+    """RP2350的WS2812B驱动"""
+
+    def __init__(self, pin=16):
+        """
+        初始化WS2812B驱动
+        :param pin: WS2812B的DIN引脚编号（RP2350ZERO默认为16）
+        """
+
+        import rp2
+        from machine import Pin
+
+        # 基于RP2350的可编程输入输出（PIO）生成输入数据信号
+        @rp2.asm_pio(
+            sideset_init=rp2.PIO.OUT_LOW,  # 初始化侧置引脚为低电平
+            out_shiftdir=rp2.PIO.SHIFT_LEFT,  # 输出移位方向为左移（高位先出）
+            autopull=True,  # 自动从缓存区拉取数据
+            pull_thresh=24,  # 拉取数据阈值
+        )
+        def ws2812b():
+            # 时序参数
+            T1 = 3  # 比特0或比特1由低电平上升为高电平前的低电平周期数
+            T2 = 2  # 比特0高电平周期数，或比特1前置高电平周期数
+            T3 = 5  # 比特0由高电平下降为低电平后的低电平周期数，或比特1后置高电平周期数
+
+            wrap_target()
+            label("bit_loop")
+            # 从输出移位寄存器（OSR）移出一个比特到X寄存器，同时将侧置引脚置为低电平，延迟T1-1周期数
+            out(x, 1).side(0)[T1 - 1]
+            # 判断X寄存器中为比特0，同时将侧置引脚置为高电平，延迟T2-1周期数。若为比特0则跳转至bit_0，否则跳转至bit_loop，同时将侧置引脚置为高电平，延迟T3-1周期数
+            jmp(not_x, "bit_0").side(1)[T2 - 1]
+            jmp("bit_loop").side(1)[T3 - 1]
+            label("bit_0")
+            # 无操作，同时将侧置引脚置为低电平，延迟T3-1周期数
+            nop().side(0)[T3 - 1]
+            wrap()
+
+        try:
+            # 初始化状态机
+            self.state_mechine = rp2.StateMachine(
+                0, ws2812b, freq=8_000_000, sideset_base=Pin(pin)
+            )
+            # 启动状态机
+            self.state_mechine.active(1)
+
+        except Exception as exception:
+            raise
+
+    def send(self, rgb):
+        """
+        发送RGB颜色数据
+        :param rgb: RGB颜色数据（元组）
+        """
+        r, g, b = rgb
+        # 组合RGB颜色数据
+        rgb = (r << 24) | (g << 16) | (b << 8)
+
+        self.state_mechine.put(rgb)
+
+    def iridesce(self):
+        """炫彩"""
+        # 色相
+        H = 0
+        # 饱和度
+        S = 255
+        # 亮度
+        V = 16
+
+        while True:
+            H = H % 360
+            # 色域
+            region = H // 60
+            # 色域相对位置
+            remainder = (H - region * 60) * 256 // 60
+
+            # 最小颜色分量值
+            P = (V * (255 - S)) >> 8
+            # 中间颜色分量值
+            Q = (V * (255 - ((S * remainder) >> 8))) >> 8
+            # 最大颜色分量值
+            T = (V * (255 - ((S * (256 - remainder)) >> 8))) >> 8
+
+            state_mechine.send(
+                {
+                    0: (V, T, P),
+                    1: (Q, V, P),
+                    2: (P, V, T),
+                    3: (P, Q, V),
+                    4: (T, P, V),
+                }.get(region, (V, P, Q))
+            )
+            utime.sleep_ms(20)
+            
+            H = H + 1

发送摩斯码/main.py

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+# -*- coding: utf-8 -*-
+
+from machine import Pin, PWM, Timer
+
+import utime
+
+
+class MorseCodeTransmitter:
+    """摩斯码发送器"""
+
+    # 摩斯码本
+    MORSECODEBOOK = {
+        "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": "--..",
+        "0": "-----",
+        "1": ".----",
+        "2": "..---",
+        "3": "...--",
+        "4": "....-",
+        "5": ".....",
+        "6": "-....",
+        "7": "--...",
+        "8": "---..",
+        "9": "----.",
+    }
+
+    # 合法字符集
+    CHARACTERSALLOWED = set("ABCDEFGHIJKLMNOPQRSTUVWXYZ 0123456789")
+
+    def __init__(self):
+
+        # 单位时距（单位为毫秒）
+        self.unit_time_interval = 120
+
+        # 初始化LED
+        self.LED = Pin("LED", Pin.OUT, value=0)
+
+    def emit(self, characters: str) -> bool:
+        """发送摩斯码"""
+
+        """
+        :parma characters: 字符串，数据类型为字符
+
+        """
+
+        # 检查字符串
+        if not all(
+            character.upper() in self.CHARACTERSALLOWED for character in characters
+        ):
+
+            print("allowed: a-z, 0-9, space")
+
+            return False
+
+        # 转为大写
+        characters = characters.upper()
+
+        print(f"emitting {characters} ...", end="")
+
+        for character in characters:
+
+            # 单词间隔
+            if character == " ":
+
+                utime.sleep_ms(self.unit_time_interval * 7)
+
+                continue
+
+            for code in self.MORSECODEBOOK.get(character):
+
+                # 点亮LED
+                self.LED.value(1)
+
+                if code == ".":
+
+                    utime.sleep_ms(self.unit_time_interval * 1)
+
+                else:
+
+                    utime.sleep_ms(self.unit_time_interval * 3)
+
+                # 熄灭LED
+                self.LED.value(0)
+
+                # 符号间隔
+                utime.sleep_ms(self.unit_time_interval * 1)
+
+            # 字母间隔
+            utime.sleep_ms(self.unit_time_interval * 3)
+
+        print("done")
+
+        return True
+
+    def __enter__(self):
+        """支持上下文管理"""
+
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        """退出"""
+
+        self.LED.off()
+
+
+if __name__ == "__main__":
+
+    with MorseCodeTransmitter() as transmitter:
+
+        result = transmitter.emit(characters="hello world")