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mpython_ledstrip's Introduction

ledstrip module 是 micropython neopixel module的增强版,在neopixel基础功能上封装多种的灯带显示效果。 支持掌控板或micropython的使用。

库的安装方法

可通过以下任一方法进行安装。

  1. 将项目中的ledstrip.py拷到掌控板文件系统上
  2. 在掌控板REPL界面中,使用upip安装,步骤如下:
    • 前置条件需要掌控板连接网络
    • 导入upip模块,执行import upip
    • 执行`upip.install('mPython-ledstrip')
>>> import upip
>>> upip.install('mPython-ledstrip')

简单示例

from ledstrip import *
from machine import Pin

strip=LedStrip(pin=Pin.P15,n=24,brightness=0.5)

print("rainbow")
strip.rainbow()  
print("rainbow_cycle")
strip.rainbow_cycle()  
print("cycle")
strip.cycle((50,50,50))
print("bounce")
strip.bounce((0,0,50))
strip.clear()
print("colorWipe")
strip.colorWipe((0,50,0))
print("theaterChase")
strip.theaterChase((50,0,0))
print("theaterChaseRainbow")
strip.theaterChaseRainbow(wait=5)
print("cylonBounce")
strip.cylonBounce((0,0,50),4,10,50)
print("runningLight")
strip.runningLight((50,50,0),20)

print("meteorRain")
for i in  range(5):
    strip.meteorRain((100,100,100),8,60,True,20)

API 说明

函数 功能说明 参数
hsv2rgb(hsv) 将HSV颜色三元组转换为RGB三元组 hsv - 三元组
rgb2hsv(rgb) 将RGB颜色三元组转换为HSV三元组 rgb - 三元组
wheel(pos) 彩轮,将0~255值转换为RGB三元组 pos - 0~255
LedStrip( pin, n=24, brightness=1.0, timing=1) LedStrip类初始化 pin - 引脚; n - 灯数
brightness - 亮度设置,范围0~1.0;timing -速率,1为800Khz,0为400kHz
LedStrip.clear() 熄灭所有灯,不用write()即可生效 /
LedStrip.brightness(brightness) 设置灯带亮度 brightness - 0~1.0
LedStrip.rainbow(wait_us=20) 彩虹效果 wait_us - 等待时间,默认20毫秒
LedStrip.rainbow_cycle(wait_us=20) 彩虹环效果:与rainbow略有不同,彩虹在整个过程中均匀分布 wait_us - 等待时间,默认20毫秒
LedStrip.cycle(c, wait=20) 循环效果:有一个像素在所有灯带位置上运行,而其他像素关闭。 c - 显示灯RGB颜色,(r,g,b)三元组; wait - 等待时间,单位毫秒,默认20
LedStrip.bounce(c, wait=20) 弹跳效果:弹跳效应和接受(R,G,B)来设置颜色,以及等待时间。等待时间决定了弹跳效果的速度。 c - 显示灯RGB颜色,(r,g,b)三元组;wait - 等待时间,单位毫秒,默认20
LedStrip.colorWipe(c, wait=20) 逐个填充颜色 c - 填充RGB颜色,(r,g,b)三元组;wait - 等待时间,单位毫秒,默认20
LedStrip.theaterChase(c, wait=20) 剧院风格的追逐灯效果 c - 填充RGB颜色,(r,g,b)三元组;wait - 等待时间,单位毫秒,默认20
LedStrip.theaterChaseRainbow(wait=20) 剧院风格的追逐灯效果 wait - 等待时间,单位毫秒,默认20
LedStrip.cylonBounce(c, eye_size, spee_delay, return_delay) Cylon效果:模拟Cylon移动“眼睛”的效果:一个红色的“眼睛”从左到右,一次又一次地向后移动 eye_size - 运行的LED数量,或:“眼睛”的宽度(外部2,褪色,LED未计数);spee_delay -影响眼睛移动的速度,较高的值意味着移动缓慢;
return_delay - 设置应该等待反弹的时间
LedStrip.runningLight(c,wait) 行走灯效果:多组LED相互追逐。亲切 - 就像你在节日期间用来在商店看到的行车灯一样 c - 显示灯RGB颜色,(r,g,b)三元组; wait - 等待时间,单位毫秒0
LedStrip.meteorRain(c,size,trail_decay,random_decay,delay) 流星雨效果 c - 显示灯RGB颜色,(r,g,b)三元组;size - 设置流星大小代表流星的LED数量,不计算流星的尾部;
trail_decay - 流星尾部衰减/消失的速度。数字越大,尾部越短和/或消失得越快。理论上,值为64时,每次流星绘制时亮度都会降低25%; delay - 延时

执照

所有代码均在MIT许可下发布。

mpython_ledstrip's People

Contributors

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