{"id":65657,"date":"2026-01-25T15:08:45","date_gmt":"2026-01-25T07:08:45","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/65657.html"},"modified":"2026-01-25T15:08:45","modified_gmt":"2026-01-25T07:08:45","slug":"sdccai8051u%e6%8e%a7%e5%88%b6ws2812%e7%81%af%e5%b8%a6%ef%bc%81","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/65657.html","title":{"rendered":"SDCC+Ai8051U\u63a7\u5236WS2812\u706f\u5e26\uff01"},"content":{"rendered":"

\u53d6\u8272\u5668<\/p>\n

\u83dc\u9e1f\u6559\u7a0b\u53d6\u8272\u5668<\/p>\n<\/p>\n

\u53c2\u8003\u65f6\u5e8f<\/p>\n

\"\"<\/p>\n<\/p>\n

\u4ee3\u7801：<\/p>\n

#include "Ai8051U.h"
\n#include <stdint.h>
\n#include <stdlib.h><\/p>\n

\/\/ —– WS2812B \u914d\u7f6e —–
\nuint16_t count = 0; \/\/ \u5168\u5c40\u8ba1\u6570\u53d8\u91cf（\u672a\u4f7f\u7528）
\n#define WS2812Pin P10 \/\/ \u6570\u636e\u5f15\u811a P1.0
\n#define LED_COUNT 32 \/\/ LED\u6570\u91cf（\u66ff\u6362\u539flength\u53d8\u91cf，\u66f4\u8bed\u4e49\u5316）
\n\/\/ —– —————–<\/p>\n

\/\/ \u5168\u5c40\u53d8\u91cf：GRB\u683c\u5f0f\u989c\u8272\u6570\u636e（3\u5b57\u8282\/LED）
\n__xdata uint8_t ws2812b_data[3 * LED_COUNT]; <\/p>\n

#define HIRC 40000000UL
\n#define FOSC 40000000UL
\n#define SYSCLK FOSC
\n#define MAIN_Fosc FOSC<\/p>\n

void delay_us(uint16_t us)
\n{
\n do
\n {
\n __asm__("nop");__asm__("nop");__asm__("nop");__asm__("nop");__asm__("nop");
\n __asm__("nop");__asm__("nop");__asm__("nop");__asm__("nop");__asm__("nop");
\n __asm__("nop");__asm__("nop");__asm__("nop");__asm__("nop");__asm__("nop");
\n __asm__("nop");__asm__("nop");__asm__("nop");__asm__("nop");__asm__("nop");
\n __asm__("nop");__asm__("nop");__asm__("nop");__asm__("nop");__asm__("nop");
\n __asm__("nop");__asm__("nop");__asm__("nop");__asm__("nop");__asm__("nop");
\n } while (–us);
\n}<\/p>\n

void delay_ms(uint16_t ms)
\n{
\n uint16_t i;<\/p>\n

do
\n {
\n i = MAIN_Fosc \/ 10000;
\n while (–i);
\n } while (–ms);
\n}<\/p>\n

\/\/ 1T\u6a21\u5f0f\u65f6\u5e8f\u4fee\u6b63（40MHz=25ns\/\u5468\u671f）
\n\/\/ 0 bit: \u9ad80.4us(16\u4e2aNOP)\u3001\u4f4e0.85us(34\u4e2aNOP)
\n\/\/ 1 bit: \u9ad80.85us(34\u4e2aNOP)\u3001\u4f4e0.4us(16\u4e2aNOP)
\n\/\/ Reset: \u4f4e\u7535\u5e73>50us
\nvoid WS2812B_SendData(uint8_t *data, uint16_t led_num)
\n{
\n EA = 0; \/\/ \u5173\u95ed\u603b\u4e2d\u65ad，\u907f\u514d\u65f6\u5e8f\u88ab\u6253\u65ad
\n uint16_t total_bytes = led_num * 3; \/\/ \u603b\u5b57\u8282\u6570（GRB*LED\u6570）<\/p>\n

for(uint16_t i = 0; i < total_bytes; i++)
\n {
\n for(int8_t j = 7; j >= 0; j–) \/\/ \u9ad8\u4f4d\u4f18\u5148\u53d1\u9001
\n {
\n if(data[i] & (1 << j)) \/\/ \u53d1\u90011 bit
\n {
\n WS2812Pin = 1;
\n NOP(34); \/\/ \u9ad8\u7535\u5e730.85us (34*25ns=850ns)
\n WS2812Pin = 0;
\n NOP(16); \/\/ \u4f4e\u7535\u5e730.4us (16*25ns=400ns)
\n }
\n else \/\/ \u53d1\u90010 bit
\n {
\n WS2812Pin = 1;
\n NOP(16); \/\/ \u9ad8\u7535\u5e730.4us
\n WS2812Pin = 0;
\n NOP(34); \/\/ \u4f4e\u7535\u5e730.85us
\n }
\n }
\n }
\n EA = 1; \/\/ \u5f00\u542f\u603b\u4e2d\u65ad<\/p>\n

\/\/ \u53d1\u9001\u590d\u4f4d\u4fe1\u53f7（\u4f4e\u7535\u5e73>50us）
\n \/\/ WS2812Pin = 0;
\n \/\/ delay_us(50); \/\/ 50us (2000*25ns=50000ns)
\n}<\/p>\n

\/\/ ===== \u989c\u8272\u586b\u5145\u51fd\u6570 =====
\n\/**
\n * @brief \u586b\u5145\u5355\u4e00\u989c\u8272（GRB\u683c\u5f0f）
\n * @param green \u7eff\u8272\u5206\u91cf(0-255)
\n * @param red \u7ea2\u8272\u5206\u91cf(0-255)
\n * @param blue \u84dd\u8272\u5206\u91cf(0-255)
\n *\/
\nvoid WS2812B_FillSolidColor(uint8_t green, uint8_t red, uint8_t blue)
\n{
\n for(uint16_t i = 0; i < LED_COUNT; i++)
\n {
\n uint16_t idx = i * 3;
\n ws2812b_data[idx] = green; \/\/ G\u5206\u91cf
\n ws2812b_data[idx+1] = red; \/\/ R\u5206\u91cf
\n ws2812b_data[idx+2] = blue; \/\/ B\u5206\u91cf
\n }
\n \/\/ \u53d1\u9001\u989c\u8272\u6570\u636e\u5230\u706f\u5e26
\n WS2812B_SendData(ws2812b_data, LED_COUNT);
\n}<\/p>\n

\/**
\n * @brief \u586b\u5145\u968f\u673a\u989c\u8272（\u6bcf\u4e2aLED\u989c\u8272\u4e0d\u540c）
\n *\/
\nvoid WS2812B_FillRandomColor(void)
\n{
\n \/\/ \u521d\u59cb\u5316\u968f\u673a\u79cd\u5b50（\u8bfb\u53d6P3\u53e3\u7535\u5e73，\u907f\u514d\u6bcf\u6b21\u968f\u673a\u5e8f\u5217\u76f8\u540c）
\n srand(count|P10);<\/p>\n

for(uint16_t i = 0; i < LED_COUNT; i++)
\n {
\n uint16_t idx = i * 3;
\n ws2812b_data[idx] = rand() % 256; \/\/ \u968f\u673aG
\n ws2812b_data[idx+1] = rand() % 256; \/\/ \u968f\u673aR
\n ws2812b_data[idx+2] = rand() % 256; \/\/ \u968f\u673aB
\n }
\n WS2812B_SendData(ws2812b_data, LED_COUNT);
\n}<\/p>\n

void main(void)
\n{
\n P1M0 = 0x01;
\n P1M1 = 0x00;
\n WTST = 0x00; \/\/ \u5173\u95ed\u770b\u95e8\u72d7<\/p>\n

while (1)
\n {
\n \/\/ 1. \u663e\u793a\u7eaf\u7ea2\u8272
\n WS2812B_FillSolidColor(0, 255, 0);
\n delay_ms(1000);<\/p>\n

\/\/ 2. \u663e\u793a\u7eaf\u7eff\u8272
\n WS2812B_FillSolidColor(255, 0, 0);
\n delay_ms(1000);<\/p>\n

\/\/ 3. \u663e\u793a\u7eaf\u84dd\u8272
\n WS2812B_FillSolidColor(0, 0, 255);
\n delay_ms(1000);<\/p>\n

\/\/ 4. \u663e\u793a\u968f\u673a\u989c\u8272
\n WS2812B_FillRandomColor();
\n delay_ms(2000);<\/p>\n

count = (count>9999)?0:count+1;
\n }
\n} <\/p>\n","protected":false},"excerpt":{"rendered":"

\u53d6\u8272\u5668
\n\u83dc\u9e1f\u6559\u7a0b\u53d6\u8272\u5668 \u53c2\u8003\u65f6\u5e8f \u4ee3\u7801：
\n#include \\”Ai8051U.h\\”
\n#include
\n#include \/\/ —– WS2812B \u914d\u7f6e —–
\nuint16_t count 0; \/\/ \u5168\u5c40\u8ba1\u6570\u53d8\u91cf（\u672a\u4f7f\u7528）
\n#define WS2812Pin P10 \/\/ \u6570\u636e\u5f15\u811a P1.0
\n#define LED_COUNT 32 \/\/<\/p>\n","protected":false},"author":2,"featured_media":65656,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[270,269],"topic":[],"class_list":["post-65657","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-270","tag-269"],"yoast_head":"\nSDCC+Ai8051U\u63a7\u5236WS2812\u706f\u5e26\uff01 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/65657.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SDCC+Ai8051U\u63a7\u5236WS2812\u706f\u5e26\uff01 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u53d6\u8272\u5668 \u83dc\u9e1f\u6559\u7a0b\u53d6\u8272\u5668 \u53c2\u8003\u65f6\u5e8f \u4ee3\u7801： #include "Ai8051U.h" #include #include \/\/ ----- WS2812B \u914d\u7f6e ----- uint16_t count 0; \/\/ \u5168\u5c40\u8ba1\u6570\u53d8\u91cf（\u672a\u4f7f\u7528） #define WS2812Pin P10 \/\/ \u6570\u636e\u5f15\u811a P1.0 #define LED_COUNT 32 \/\/\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/65657.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-25T07:08:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125070844-6975c17c04611.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/65657.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/65657.html\",\"name\":\"SDCC+Ai8051U\u63a7\u5236WS2812\u706f\u5e26\uff01 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-01-25T07:08:45+00:00\",\"dateModified\":\"2026-01-25T07:08:45+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/65657.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/65657.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/65657.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"SDCC+Ai8051U\u63a7\u5236WS2812\u706f\u5e26\uff01\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"SDCC+Ai8051U\u63a7\u5236WS2812\u706f\u5e26\uff01 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/65657.html","og_locale":"zh_CN","og_type":"article","og_title":"SDCC+Ai8051U\u63a7\u5236WS2812\u706f\u5e26\uff01 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u53d6\u8272\u5668 \u83dc\u9e1f\u6559\u7a0b\u53d6\u8272\u5668 \u53c2\u8003\u65f6\u5e8f \u4ee3\u7801： #include \"Ai8051U.h\" #include #include \/\/ ----- WS2812B \u914d\u7f6e ----- uint16_t count 0; \/\/ \u5168\u5c40\u8ba1\u6570\u53d8\u91cf（\u672a\u4f7f\u7528） #define WS2812Pin P10 \/\/ \u6570\u636e\u5f15\u811a P1.0 #define LED_COUNT 32 \/\/","og_url":"https:\/\/www.wsisp.com\/helps\/65657.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-01-25T07:08:45+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125070844-6975c17c04611.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"2 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/65657.html","url":"https:\/\/www.wsisp.com\/helps\/65657.html","name":"SDCC+Ai8051U\u63a7\u5236WS2812\u706f\u5e26\uff01 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-01-25T07:08:45+00:00","dateModified":"2026-01-25T07:08:45+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/65657.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/65657.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/65657.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"SDCC+Ai8051U\u63a7\u5236WS2812\u706f\u5e26\uff01"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/65657","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=65657"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/65657\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/65656"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=65657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=65657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=65657"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=65657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}