{"id":6643,"date":"2021-04-19T09:35:00","date_gmt":"2021-04-19T01:35:00","guid":{"rendered":"http:\/\/www.nvled.com\/?p=6643"},"modified":"2023-06-08T16:25:40","modified_gmt":"2023-06-08T08:25:40","slug":"ws2812b%e5%85%a8%e5%bd%a9led%e9%a9%b1%e5%8a%a8","status":"publish","type":"post","link":"https:\/\/www.nvled.com\/?p=6643","title":{"rendered":"WS2812B\u5168\u5f69LED\u9a71\u52a8, \u4ee3\u7801\u5b9e\u73b0\u4e86\u5faa\u73af\u79fb\u52a8\u7684\u6d41\u6c34\u706f\u70b9\u4eae\u6548\u679c"},"content":{"rendered":"\n

\u6807\u7b7e\uff1a Arduino \u5f00\u53d1\u6559\u7a0b  ESP32 \u5b66\u4e60\u7b14\u8bb0 \u7535\u5b50\u7535\u8def  \u5355\u7247\u673a
\u7248\u6743\u58f0\u660e\uff1a\u672c\u6587\u4e3aLennon8_8\u539f\u521b\u6587\u7ae0\uff0c\u9075\u5faa CC 4.0 BY-SA \u7248\u6743\u534f\u8bae\uff0c\u8f6c\u8f7d\u8bf7\u9644\u4e0a\u539f\u6587\u51fa\u5904\u94fe\u63a5\u548c\u672c\u58f0\u660e\u3002 <\/p>\n\n\n\n

\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u82b1\u4e86\u70b9\u65f6\u95f4\u5199\u4e86\u4e2aWS2812B\u7684\u9a71\u52a8\uff0c\u628a\u706f\u70b9\u4eae\u4e86\u3002<\/p>\n\n\n\n

WS2812B\u662f\u4e00\u6b3e\u5168\u5f69LED\u63a7\u5236IC\uff0c\u5355\u603b\u7ebf\u63a7\u5236\uff0c\u4fe1\u53f7\u65f6\u5e8f\u5982\u4e0b\u56fe\uff0c\u5176\u5b83\u4fe1\u606f\u8bf7\u770b\u89c4\u683c\u4e66\uff0c\u8981\u6ce8\u610f\u9ad8\u4f4e\u7535\u5e73\u7684\u65f6\u95f4\u4e00\u5b9a\u8981\u63a7\u5236\u5728\u89c4\u683c\u4e66\u7684\u8981\u6c42\u8303\u56f4\u5185\u3002WS2812B\u53ef\u4ee5\u7ea7\u8054\uff0c\u6bcf\u4e2a\u706f\u63a5\u6536\u7684\u662f24bit\u6570\u636e\uff08GRB\u989c\u8272\u503c\uff09\uff0cD1\u706f\u5728\u6536\u523024bit\u6570\u636e\u540e\uff0c\u4f1a\u628a\u6570\u636e\u4fdd\u5b58\uff0c\u5982\u679c\u8fd8\u6536\u5230\u6570\u636e\uff0c\u4f1a\u901a\u8fc7DO\u811a\u4f20\u7ed9D2<\/p>\n\n\n\n

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\u7528STM32F0\u82af\u7247\uff0c48M\u65f6\u949f\uff0c\u9a71\u52a8\u4ee3\u7801\u5982\u4e0b\uff1a<\/figcaption><\/figure>\n\n\n\n

\u5934\u6587\u4ef6\uff1a<\/h2>\n\n\n\n
\/************************************************************\nCopyright (C), 2013-2020, XINZHIYIKONG.Co.,Ltd.\n@FileName: WS2812B.h\n@Author  : \u7cca\u8bfb\u866b QQ:570525287\n@Version : 1.0\n@Date    : 2020-12-25\n@Description: WS2812B\u5168\u5f69LED\u706f\u9a71\u52a8\n@Function List:\n@History    : \n<author> <time> <version > <desc>\n\n***********************************************************\/<\/span>\n\n#ifndef<\/span> __WS2812B_H<\/span>\n#define<\/span>\t__WS2812B_H<\/span>\n\n#include<\/span> \"stm32f0xx.h\"<\/span><\/span>\n#include<\/span> \"sys.h\"<\/span><\/span>\n\n\/\/WS2812B IO \u5b9a\u4e49  \u6ce8\u610f\u521d\u59cb\u5316APB\u65f6\u949f\u4e5f\u8981\u4fee\u6539<\/span>\n#define<\/span> WS2812B_PORT\t\tGPIOA<\/span>\n#define<\/span> WS2812B_PIN\t\t\tGPIO_Pin_15<\/span>\n#define<\/span> WS2812B_RCC_AHB\t\tRCC_AHBPeriph_GPIOA  <\/span>\/\/RCC\u65f6\u949f<\/span>\n\n#define<\/span> WS2812B_Hi()\t\tWS2812B_PORT->BSRR=WS2812B_PIN\t<\/span>\/\/GPIO_ResetBits(LED1_PORT, LED1_PIN)<\/span>\n#define<\/span> WS2812B_Low()\t\tWS2812B_PORT->BRR=WS2812B_PIN\t<\/span>\/\/GPIO_SetBits(LED1_PORT, LED1_PIN)<\/span>\n\n\/\/\u989c\u8272<\/span>\ntypedef<\/span> struct<\/span> color{<\/span>\n\tu8 G;<\/span>\n\tu8 R;<\/span>\n\tu8 B;<\/span>\n}<\/span>Color_TypeDef;<\/span>\n\n\/\/------------------------<\/span>\n#define<\/span> PIXEL_NUM\t59\t<\/span>\/\/LED\u706f\u7684\u4e2a\u6570<\/span>\n\nvoid<\/span> WS2812B_Init<\/span>(<\/span>void<\/span>)<\/span>;<\/span>\nvoid<\/span> WS2812B_Reset<\/span>(<\/span>void<\/span>)<\/span>;<\/span>\nvoid<\/span> WS2812B_WriteColor<\/span>(<\/span>Color_TypeDef *<\/span>pColor)<\/span>;<\/span>\nvoid<\/span> WS2812B_RefreshPixel<\/span>(<\/span>void<\/span>)<\/span>;<\/span>\n\nvoid<\/span> WS2812B_FillColor<\/span>(<\/span>u16 start,<\/span>u16 end,<\/span>Color_TypeDef *<\/span>pColor)<\/span>;<\/span>\nvoid<\/span> WS2812B_MovePixel<\/span>(<\/span>u8 dir)<\/span>;<\/span>\n\nvoid<\/span> WS2812B_Test<\/span>(<\/span>void<\/span>)<\/span>;<\/span>\n#endif<\/span> <\/span>\/* __WS2812B_H *\/<\/span>\n\n\n<\/code><\/pre>\n\n\n\n
\u6e90\u6587\u4ef6 <\/h2>\n\n\n\n
\/************************************************************\nCopyright (C), 2013-2020, XINZHIYIKONG.Co.,Ltd.\n@FileName: WS2812B.c\n@Author  : \u7cca\u8bfb\u866b QQ:570525287\n@Version : 1.0\n@Date    : 2020-12-25\n@Description: WS2812B\u5168\u5f69LED\u706f\u9a71\u52a8\n@Function List:\n@History    : \n<author> <time> <version > <desc>\n\n***********************************************************\/<\/span>\n\n#include<\/span> \"WS2812B.h\"<\/span><\/span>\n\nColor_TypeDef PixelBuf[<\/span>PIXEL_NUM]<\/span>;<\/span> \/\/\u50cf\u6570\u6570\u636e<\/span>\nuint8_t flag;<\/span>\n\n\/\/\u6676\u632f48M,\u6bcf\u4e2anop\u662f20.83ns<\/span>\n#define<\/span> DELAY_20_8nS\t\t__nop()\t\t<\/span>\/\/1\u4e2anop\u662f20.8ns<\/span>\n#define<\/span> DELAY_104nS\t\t\tDELAY_20_8nS;DELAY_20_8nS;DELAY_20_8nS;DELAY_20_8nS;DELAY_20_8nS <\/span>\/\/5\u4e2anop\u662f104ns<\/span>\n#define<\/span> Delay_320nS()\t\tDELAY_104nS;DELAY_104nS;DELAY_104nS  <\/span>\/\/30\u4e2anop<\/span>\n \n\/*---------------------------------------------------------------------------\n@Function   :Delay_850nS\n@Description:\u68c0\u6d4b\u5f00\u5173\u521d\u59cb\u5316\n@Input      :\u65e0\n@Retrun     :\u65e0\n@Others     :T1H T0L \u65f6\u95f4\u5728  580ns~1.6us,\u53d6850ns   \u5b9e\u6d4b855us\n----------------------------------------------------------------------------*\/<\/span>\nvoid<\/span> Delay_850nS<\/span>(<\/span>void<\/span>)<\/span>\n{<\/span>\n\t\/\/\u8fdb\u5165\u51fd\u6570\u6240\u7528\u7684\u65f6\u95f4\u7ea6\u4e3a310ns<\/span>\n\tDELAY_104nS;<\/span>\n\tDELAY_104nS;<\/span>\n\tDelay_320nS<\/span>(<\/span>)<\/span>;<\/span>\n\tDELAY_20_8nS;<\/span>\n}<\/span>\n\/*---------------------------------------------------------------------------\n@Function   :Delay_300uS\n@Description:\n@Input      :\u65e0\n@Retrun     :\u65e0\n@Others     :\n----------------------------------------------------------------------------*\/<\/span>\nvoid<\/span> Delay_300uS<\/span>(<\/span>void<\/span>)<\/span>\n{<\/span>\n\tuint8_t i;<\/span>\n\twhile<\/span>(<\/span>i--<\/span>)<\/span>\n\t{<\/span>\n\t\tDelay_320nS<\/span>(<\/span>)<\/span>;<\/span>\n\t}<\/span>\n}<\/span>\n\n\/*---------------------------------------------------------------------------\n@Function   :WS2812B_Init\n@Description:\u521d\u59cb\u5316\n@Input      :\u65e0\n@Retrun     :\u65e0\n@Others     :\n----------------------------------------------------------------------------*\/<\/span>\nvoid<\/span> WS2812B_Init<\/span>(<\/span>void<\/span>)<\/span>\n{<\/span>\n\tGPIO_InitTypeDef GPIO_InitStruct;<\/span>\n\tRCC_AHBPeriphClockCmd<\/span>(<\/span>WS2812B_RCC_AHB,<\/span> ENABLE)<\/span>;<\/span>\n\tGPIO_InitStruct.<\/span>GPIO_Pin =<\/span> WS2812B_PIN ;<\/span>\n\tGPIO_InitStruct.<\/span>GPIO_Mode =<\/span> GPIO_Mode_OUT;<\/span>\n\tGPIO_InitStruct.<\/span>GPIO_OType =<\/span> GPIO_OType_PP;<\/span>\n\tGPIO_InitStruct.<\/span>GPIO_Speed =<\/span>GPIO_Speed_Level_3;<\/span>\n\tGPIO_Init<\/span>(<\/span>WS2812B_PORT,<\/span> &<\/span>GPIO_InitStruct)<\/span>;<\/span>\n\n\tGPIO_SetBits<\/span>(<\/span>WS2812B_PORT,<\/span> WS2812B_PIN)<\/span>;<\/span>\n}<\/span>\n\n\/*---------------------------------------------------------------------------\n@Function   :WS2812B_Reset\n@Description:\u590d\u4f4d\n@Input      :\u65e0\n@Retrun     :\u65e0\n@Others     :\n----------------------------------------------------------------------------*\/<\/span>\nvoid<\/span> WS2812B_Reset<\/span>(<\/span>void<\/span>)<\/span>          \/\/\u590d\u4f4d\u51fd\u6570<\/span>\n{<\/span>\n\tWS2812B_Low<\/span>(<\/span>)<\/span>;<\/span>\n\tDelay_300uS<\/span>(<\/span>)<\/span>;<\/span>\n}<\/span>\n\n\/*---------------------------------------------------------------------------\n@Function   :WS2812B_WriteByte\n@Description:\u5199\u4e00\u4e2a\u5b57\u8282\n@Input      :\u65e0\n@Retrun     :\u65e0\n@Others     :\n----------------------------------------------------------------------------*\/<\/span>\nvoid<\/span> WS2812B_WriteByte<\/span>(<\/span>uint8_t dat)<\/span>\n{<\/span>\n\tu8 i;<\/span>\n\tfor<\/span> (<\/span>i=<\/span>0<\/span>;<\/span>i<<\/span>8<\/span>;<\/span>i++<\/span>)<\/span>\n\t{<\/span>\n\t\t\/\/\u5148\u53d1\u9001\u9ad8\u4f4d<\/span>\n\t\tif<\/span> (<\/span>dat &<\/span> 0x80<\/span>)<\/span> \/\/1<\/span>\n\t\t{<\/span>\n\t\t\tWS2812B_Hi<\/span>(<\/span>)<\/span>;<\/span>\n\t\t\tDelay_850nS<\/span>(<\/span>)<\/span>;<\/span> \/\/T1H<\/span>\n\t\t\tWS2812B_Low<\/span>(<\/span>)<\/span>;<\/span>\t\n\t\t\tDelay_320nS<\/span>(<\/span>)<\/span>;<\/span> \/\/T1L<\/span>\n\t\t}<\/span>\n\t\telse<\/span>\t\/\/0<\/span>\n\t\t{<\/span>\n\t\t\tWS2812B_Hi<\/span>(<\/span>)<\/span>;<\/span>\n\t\t\tDelay_320nS<\/span>(<\/span>)<\/span>;<\/span> \/\/T0H<\/span>\n\t\t\tWS2812B_Low<\/span>(<\/span>)<\/span>;<\/span>\t\n\t\t\tDelay_850nS<\/span>(<\/span>)<\/span>;<\/span> \/\/T0L<\/span>\n\t\t}<\/span>\n\t\tdat<<=<\/span>1<\/span>;<\/span>\n\t}<\/span>\n}<\/span>\n\n\n\/*---------------------------------------------------------------------------\n@Function   :WS2812B_WriteColor\n@Description:\u5199\u51651\u4e2a24bit\u989c\u8272\u6570\u636e\n@Input      :\u65e0\n@Retrun     :\u65e0\n@Others     :\n----------------------------------------------------------------------------*\/<\/span>\nvoid<\/span> WS2812B_WriteColor<\/span>(<\/span>Color_TypeDef *<\/span>pColor)<\/span>\n{<\/span>\n\tWS2812B_WriteByte<\/span>(<\/span>pColor-><\/span>G)<\/span>;<\/span>\n\tWS2812B_WriteByte<\/span>(<\/span>pColor-><\/span>R)<\/span>;<\/span>\n\tWS2812B_WriteByte<\/span>(<\/span>pColor-><\/span>B)<\/span>;<\/span>\n}<\/span>\n\n\/*---------------------------------------------------------------------------\n@Function   :WS2812B_RefreshPixel\n@Description:\u66f4\u65b0\u663e\u793a\n@Input      :\u65e0\n@Retrun     :\u65e0\n@Others     :\n----------------------------------------------------------------------------*\/<\/span>\nvoid<\/span> WS2812B_RefreshPixel<\/span>(<\/span>void<\/span>)<\/span>\n{<\/span>\n\tu8 i;<\/span>\n\n\tfor<\/span>(<\/span>i=<\/span>0<\/span>;<\/span>i<<\/span>PIXEL_NUM;<\/span>i++<\/span>)<\/span>\n\t{<\/span>\n\t\tWS2812B_WriteColor<\/span>(<\/span>&<\/span>PixelBuf[<\/span>i]<\/span>)<\/span>;<\/span>\n\t}<\/span>\n}<\/span>\n\n\/\/----------------------------------------<\/span>\nvoid<\/span> WS2812B_Test<\/span>(<\/span>void<\/span>)<\/span>\n{<\/span>\n\tu8 i;<\/span>\n\tColor_TypeDef temp;<\/span>\n\ttemp.<\/span>B =<\/span> 0x50<\/span>;<\/span>\n\ttemp.<\/span>R =<\/span> 0x60<\/span>;<\/span>\n\ttemp.<\/span>G =<\/span> 0x70<\/span>;<\/span>\n\n\tfor<\/span>(<\/span>i=<\/span>0<\/span>;<\/span>i<<\/span>60<\/span>;<\/span>i++<\/span>)<\/span>\n\t{<\/span>\n\t\tWS2812B_WriteColor<\/span>(<\/span>&<\/span>temp)<\/span>;<\/span>\n\t}<\/span>\n}<\/span>\n\n\/\/\u6d4b\u8bd5\u5ef6\u65f6\u65f6\u95f4<\/span>\nvoid<\/span> WS2812B_Test2<\/span>(<\/span>void<\/span>)<\/span>\n{<\/span>\n\tWS2812B_Hi<\/span>(<\/span>)<\/span>;<\/span>\n\tDelay_850nS<\/span>(<\/span>)<\/span>;<\/span>\n\tWS2812B_Low<\/span>(<\/span>)<\/span>;<\/span>\n}<\/span>\n\n\/\/============================================================================<\/span>\nvoid<\/span> Copy_Color<\/span>(<\/span>Color_TypeDef *<\/span>pDst,<\/span>Color_TypeDef *<\/span>pScr)<\/span>\n{<\/span>\n\tpDst-><\/span>R =<\/span> pScr-><\/span>R;<\/span>\n\tpDst-><\/span>G =<\/span> pScr-><\/span>G;<\/span>\n\tpDst-><\/span>B =<\/span> pScr-><\/span>B;<\/span>\n}<\/span>\n\n\/*---------------------------------------------------------------------------\n@Function   :WS2812B_FillColor\n@Description:\u586b\u5145\u989c\u8272\n@Input      :start\uff1a\u5f00\u59cb\u4f4d\u7f6e;end:\u7ed3\u675f\u4fe1\u7f6e;pColor:\u989c\u8272\u503c\n@Retrun     :\u65e0\n@Others     :\n----------------------------------------------------------------------------*\/<\/span>\nvoid<\/span> WS2812B_FillColor<\/span>(<\/span>u16 start,<\/span>u16 end,<\/span>Color_TypeDef *<\/span>pColor)<\/span>\n{<\/span>\n\tif<\/span> (<\/span>start ><\/span> end)<\/span> \/\/\u4ea4\u6362\u4f4d\u7f6e<\/span>\n\t{<\/span>\n\t\tu16 temp;<\/span>\n\t\ttemp =<\/span> start;<\/span>\n\t\tstart =<\/span> end;<\/span>\n\t\tend =<\/span> temp;<\/span>\n\t}<\/span>\n\n\tif<\/span> (<\/span>start >=<\/span> PIXEL_NUM)<\/span>return<\/span>;<\/span> \/\/\u8d85\u51fa\u8303\u56f4<\/span>\n\tif<\/span> (<\/span>end >=<\/span> PIXEL_NUM)<\/span>end =<\/span> PIXEL_NUM-<\/span>1<\/span>;<\/span>\n\n\t\/\/\u586b\u5145\u989c\u8272\u503c<\/span>\n\twhile<\/span>(<\/span>start <=<\/span> end)<\/span>\n\t{<\/span>\n\t\tCopy_Color<\/span>(<\/span>&<\/span>PixelBuf[<\/span>start]<\/span>,<\/span>pColor)<\/span>;<\/span>\n\t\tstart++<\/span>;<\/span>\n\t}<\/span>\n}<\/span>\n\n\/*---------------------------------------------------------------------------\n@Function   :WS2812B_MovePixel\n@Description:\u5faa\u73af\u79fb\u52a8\u50cf\u7d20\u989c\u8272\n@Input      :dir:\u65b9\u5411;\n@Retrun     :\u65e0\n@Others     :\n----------------------------------------------------------------------------*\/<\/span>\nvoid<\/span> WS2812B_MovePixel<\/span>(<\/span>u8 dir)<\/span>\n{<\/span>\n\tColor_TypeDef temp;<\/span>\n\tu8 i;<\/span>\n\n\tif<\/span> (<\/span>dir)<\/span> \/\/\u5411\u5de6\u79fb\u52a8<\/span>\n\t{<\/span>\n\t\tCopy_Color<\/span>(<\/span>&<\/span>temp,<\/span>&<\/span>PixelBuf[<\/span>PIXEL_NUM-<\/span>1<\/span>]<\/span>)<\/span>;<\/span>\n\n\t\ti =<\/span> PIXEL_NUM-<\/span>1<\/span>;<\/span>\n\t\twhile<\/span>(<\/span>i)<\/span>\n\t\t{<\/span>\n\t\t\t Copy_Color<\/span>(<\/span>&<\/span>PixelBuf[<\/span>i]<\/span>,<\/span>&<\/span>PixelBuf[<\/span>i-<\/span>1<\/span>]<\/span>)<\/span>;<\/span>\n\t\t\t i--<\/span>;<\/span>\n\t\t}<\/span>\n\t\tCopy_Color<\/span>(<\/span>&<\/span>PixelBuf[<\/span>0<\/span>]<\/span>,<\/span>&<\/span>temp)<\/span>;<\/span>\n\t}<\/span>\n\telse<\/span>  \/\/\u5411\u53f3\u79fb\u52a8<\/span>\n\t{<\/span>\n\t\tCopy_Color<\/span>(<\/span>&<\/span>temp,<\/span>&<\/span>PixelBuf[<\/span>0<\/span>]<\/span>)<\/span>;<\/span>\n\n\t\ti =<\/span> 0<\/span>;<\/span>\n\t\twhile<\/span>(<\/span>i <<\/span> (<\/span>PIXEL_NUM-<\/span>1<\/span>)<\/span>)<\/span>\n\t\t{<\/span>\n\t\t\tCopy_Color<\/span>(<\/span>&<\/span>PixelBuf[<\/span>i]<\/span>,<\/span>&<\/span>PixelBuf[<\/span>i+<\/span>1<\/span>]<\/span>)<\/span>;<\/span>\n\t\t\ti++<\/span>;<\/span>\n\t\t}<\/span>\n\t\tCopy_Color<\/span>(<\/span>&<\/span>PixelBuf[<\/span>PIXEL_NUM-<\/span>1<\/span>]<\/span>,<\/span>&<\/span>temp)<\/span>;<\/span>\n\t}<\/span>\n}<\/span>\n\n\/\/----------------------------------END OF FILE------------------------------<\/span>\n\n<\/code><\/pre>\n\n\n\n
\/*---------------------------------------------------------------------------\n@Function   :main\n@Description:\u4e3b\u51fd\u6570\n@Input      :\n@Retrun     :\u65e0\n@Others     :\n----------------------------------------------------------------------------*\/<\/span>\nint<\/span> main<\/span>(<\/span>void<\/span>)<\/span>\n{<\/span>\n\tColor_TypeDef temp;<\/span>\n\tHardWare_Init<\/span>(<\/span>)<\/span>;<\/span>\n\t\n\tWS2812B_Init<\/span>(<\/span>)<\/span>;<\/span>\t\n\ttemp.<\/span>R =<\/span> 0x00<\/span>;<\/span>\n\ttemp.<\/span>G =<\/span> 0xff<\/span>;<\/span>\n\ttemp.<\/span>B =<\/span> 0x80<\/span>;<\/span>\n\tWS2812B_FillColor<\/span>(<\/span>10<\/span>,<\/span>20<\/span>,<\/span>&<\/span>temp)<\/span>;<\/span>\n\twhile<\/span>(<\/span>1<\/span>)<\/span>\n\t{<\/span>\n\t\tif<\/span> (<\/span>SysGetSignal_ms<\/span>(<\/span>20<\/span>,<\/span>0<\/span>)<\/span>)<\/span> \/\/20ms<\/span>\n\t\t{<\/span>\t\t\n\t\t\tWS2812B_MovePixel<\/span>(<\/span>1<\/span>)<\/span>;<\/span>\n\t\t\tWS2812B_RefreshPixel<\/span>(<\/span>)<\/span>;<\/span>\n\t\t}<\/span>\n\t}<\/span>\t\n}<\/span>\t\n<\/code><\/pre>\n\n\n\n
\u4ee3\u7801\u5b9e\u73b0\u4e86\u5faa\u73af\u79fb\u52a8\u7684\u6d41\u6c34\u706f\u529f\u80fd\uff0c\u70b9\u4eae\u6548\u679c\uff1a<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u8f6c\u8f7d\u81ea: \u7070\u4fe1\u7f51<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
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