{"id":3140,"date":"2026-10-23T16:34:39","date_gmt":"2026-10-23T08:34:39","guid":{"rendered":"http:\/\/www.xudajun.com\/?p=3140"},"modified":"2026-10-23T16:34:39","modified_gmt":"2026-10-23T08:34:39","slug":"%e6%9e%84%e5%bb%ba%e8%87%aa%e5%b7%b1%e7%9a%84%e5%b5%8c%e5%85%a5%e5%bc%8f%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%bb%9f-c51","status":"publish","type":"post","link":"http:\/\/www.xudajun.com\/?p=3140","title":{"rendered":"\u6784\u5efa\u81ea\u5df1\u7684\u5d4c\u5165\u5f0f\u64cd\u4f5c\u7cfb\u7edf\u2014\u2014C51"},"content":{"rendered":"

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win7+Keil 51\uff08\u5df2\u7834\u89e3\uff0c\u4e0d\u53d72Kb\u4ee3\u7801\u9650\u5236\uff09<\/p>\n

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4.\u53f3\u952emain.c\u6587\u4ef6\uff0c\u9009\u62e9Option for file \u2018main.c\u2019\u4e2d\u7684\u5c5e\u6027\u4e2d\u52fe\u9009Generate Assembler SRC File \u548c Assemble SRC File\u3002\u4e3b\u8981\u662f\u662f\u7f16\u8bd1\u540e\u751f\u6210SRC\u6c47\u7f16\u7a0b\u5e8f\u6587\u4ef6\uff0c\u597d\u5206\u6790\uff0c\u53ef\u4ee5\u5728C\u6587\u4ef6\u4e2d\u7a0b\u5e8f\u4ee3\u7801\u4e2d\u76f4\u63a5\u5d4c\u5165\u6c47\u7f16\u4ee3\u7801\u3002<\/p>\n

5. \u6839\u636e\u9009\u62e9\u7684\u7f16\u8bd1\u6a21\u5f0f\uff0c\u5c06\u76f8\u5e94\u7684\u5e93\u6587\u4ef6\u52a0\u5165\u5230\u5de5\u7a0b\u4e2d\uff0c\u5e93\u6587\u4ef6\u5728keil\u5b89\u88c5\u76ee\u5f55\\C51\\LIB\\C51S.lib<\/p>\n

\u8fd9\u91cc\u5c31\u4e0d\u8bf4\u5177\u4f53\u7684\u4ee3\u7801\u600e\u4e48\u7f16\u5199\u4e86\uff0c\u4ee3\u7801\u4e2d\u6709\u6ce8\u91ca\u3002\u4e5f\u53ef\u4ee5\u53bb\u53c2\u8003\u6211\u63a8\u8350\u7684\u8fd9\u672c\u4e66\u3002\u76f4\u63a5\u4e0a\u4ee3\u7801\uff1a<\/p>\n

main.c<\/p>\n

\n
\/******************************************************************************\r\n**\tFile Name:\t\tmain.c\r\n**\tDiscreption:\t\r\n**\tDate:\t\t\t2013\/5\/17 16:30\r\n**\tAuthor:\t\t\tLi Xiaoming (Juven)\r\n**\tBlog:\t\t\thttp:\/\/www.cnblogs.com\/lixiaoming90\r\n******************************************************************************\/\r\n#include <reg52.h>\r\n\r\ntypedef unsigned char uint8;\r\ntypedef unsigned int uint16;\r\n\r\nsbit led_red = P0^0;\r\nsbit led_green = P0^1;\r\nsbit buzzer = P2^6;\r\n\r\nuint8 state;\t\t\t\/* \u5b58\u653e\u7cfb\u7edf\u5f53\u524d\u6b63\u5728\u8fd0\u884c\u7684\u4efb\u52a1\u4ee3\u53f7\t*\/\r\n\r\nuint8 Task0Stk[10];\t\t\/* \u5b9a\u4e49\u4efb\u52a10\u7684\u4efb\u52a1\u5806\u6808\u533a\t\t\t*\/\r\nuint8 Task1Stk[10];\t\t\/* \u5b9a\u4e49\u4efb\u52a11\u7684\u4efb\u52a1\u5806\u6808\u533a\t\t\t*\/\r\nuint8 Task2Stk[10];\t\t\/* \u5b9a\u4e49\u4efb\u52a12\u7684\u4efb\u52a1\u5806\u6808\u533a\t\t\t*\/\r\n\r\nuint8 StkTop[3];\t\t\/* \u4fdd\u5b58\u4efb\u52a1\u5806\u6808\u533a\u7684\u6808\u9876\u5730\u5740\t\t\t*\/\r\n\r\nvoid Task0();\t\t\t\/* \u4efb\u52a10\u58f0\u660e\t\t\t\t\t\t*\/\r\nvoid Task1();\t\t\t\/* \u4efb\u52a11\u58f0\u660e\t\t\t\t\t\t*\/\r\nvoid Task2();\t\t\t\/* \u4efb\u52a12\u58f0\u660e\t\t\t\t\t\t*\/\r\n\r\nvoid Task0()\r\n{\r\n\twhile(1){\r\n\t\tled_red = 0;\r\n\t}\r\n}\r\n\r\nvoid Task1()\r\n{\r\n\twhile(1){\r\n\t\tled_green = 0;\r\n\t}\r\n}\r\n\r\nvoid Task2()\r\n{\r\n\twhile(1){\r\n\t\tbuzzer = 0;\r\n\t}\r\n}\r\n\r\n\/\/=============================================================================\r\n\/\/\u51fd\u6570\uff1amain()\r\n\/\/\u63cf\u8ff0\uff1a\u7cfb\u7edf\u521d\u59cb\u5316\u64cd\u4f5c \uff081\uff09\u4efb\u52a1\u51fd\u6570\u5165\u53e3\u5730\u5740\u5b58\u653e\u5728\u4efb\u52a1\u6808\u533a\r\n\/\/\t\t\t\t\t   \uff082\uff09\u4fdd\u5b58\u4efb\u52a1\u6808\u9876\u5730\u5740\r\n\/\/\t\t\t\t\t   \uff083\uff09SP\u53d6\u7684\u4efb\u52a1\u6808\u9876\u5730\u5740\uff0c\u901a\u8fc7main()\u8fd4\u56de\u4f5c\u7528\u4f7fPC\u83b7\u5f97\u4efb\u52a1\r\n\/\/\t\t\t\t\t\t\t\u4efb\u52a1\u5165\u53e3\u5730\u5740\uff0c\u4efb\u52a1\u5f00\u59cb\u8fd0\u884c\r\n\/\/\u53c2\u6570\uff1a\u65e0\r\n\/\/\u8fd4\u56de\uff1a\u65e0\r\n\/\/\u65e5\u671f\uff1a2013\/5\/17 16:18\r\n\/\/=============================================================================\r\nvoid main()\r\n{\r\n\t\/\/\u4efb\u52a1\u51fd\u6570\u5165\u53e3\u5730\u5740\u5b58\u653e\u5728\u6808\u533a\u4e2d\r\n\tTask0Stk[1] = (uint16)Task0;\t\t\t\/* \u4f4e8\u4f4d\t\t\t\t*\/\r\n\tTask0Stk[2] = (uint16)Task0 >> 8;\t\t\/* \u9ad88\u4f4d\t\t\t\t*\/\t\r\n\r\n\tTask1Stk[1] = (uint16)Task1;\t\t\t\/* \u4f4e8\u4f4d\t\t\t\t*\/\r\n\tTask1Stk[2] = (uint16)Task1 >> 8;\t\t\/* \u9ad88\u4f4d\t\t\t\t*\/\r\n\r\n\tTask2Stk[1] = (uint16)Task2;\t\t\t\/* \u4f4e8\u4f4d\t\t\t\t*\/\r\n\tTask2Stk[2] = (uint16)Task2 >> 8;\t\t\/* \u9ad88\u4f4d\t\t\t\t*\/\r\n\r\n\t\/\/\u4fdd\u5b58\u4efb\u52a1\u6808\u533a\u7684\u6808\u9876\u5730\u5740\r\n\tStkTop[0] = Task0Stk;\t\t\t\t\t\/* \u53d6\u5f97\u4efb\u52a10\u6808\u533a\u7684\u9996\u5730\u5740\t*\/\r\n\tStkTop[0] += 2;\r\n\r\n\tStkTop[1] = Task1Stk;\t\t\t\t\t\/* \u53d6\u5f97\u4efb\u52a11\u6808\u533a\u7684\u9996\u5730\u5740\t*\/\r\n\tStkTop[1] += 2;\r\n\r\n\tStkTop[2] = Task2Stk;\t\t\t\t\t\/* \u53d6\u5f97\u4efb\u52a12\u6808\u533a\u7684\u9996\u5730\u5740\t*\/\r\n\tStkTop[2] += 2;\r\n\r\n\t\/\/\u542f\u52a8\u4efb\u52a10\r\n\tSP = StkTop[1];\r\n}\r\n<\/pre>\n<\/div>\n
 <\/p>\n
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\u4e0b\u9762\u662f\u591a\u52a0\u4e86\u4efb\u52a1\u8c03\u5ea6\u5668\u548c\u5ef6\u65f6\u51fd\u6570\uff0c\u53ef\u4ee5\u770b\u5230LED\u706f\u8f6e\u6d41\u70b9\u4eae\uff0c\u8702\u9e23\u5668\u6309\u4e00\u5b9a\u9891\u7387\u54cd\u3002\u6e90\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
\n
\/******************************************************************************\r\n**\tFile Name:\t\tmain.c\r\n**\tDiscreption:\t\r\n**\tDate:\t\t\t2013\/5\/17 16:30\r\n**\tAuthor:\t\t\tLi Xiaoming (Juven)\r\n**\tBlog:\t\t\thttp:\/\/www.cnblogs.com\/lixiaoming90\r\n******************************************************************************\/\r\n#include <reg52.h>\r\n\r\ntypedef unsigned char uint8;\r\ntypedef unsigned int uint16;\r\n\r\nsbit led_red = P1^0;\r\nsbit led_green = P1^1;\r\nsbit buzzer = P2^1;\r\n\r\nuint8 state;\t\t\t\/* \u5b58\u653e\u7cfb\u7edf\u5f53\u524d\u6b63\u5728\u8fd0\u884c\u7684\u4efb\u52a1\u4ee3\u53f7\t*\/\r\n\r\nuint8 Task0Stk[10];\t\t\/* \u5b9a\u4e49\u4efb\u52a10\u7684\u4efb\u52a1\u5806\u6808\u533a\t\t\t*\/\r\nuint8 Task1Stk[10];\t\t\/* \u5b9a\u4e49\u4efb\u52a11\u7684\u4efb\u52a1\u5806\u6808\u533a\t\t\t*\/\r\nuint8 Task2Stk[10];\t\t\/* \u5b9a\u4e49\u4efb\u52a12\u7684\u4efb\u52a1\u5806\u6808\u533a\t\t\t*\/\r\n\r\nuint8 StkTop[3];\t\t\/* \u4fdd\u5b58\u4efb\u52a1\u5806\u6808\u533a\u7684\u6808\u9876\u5730\u5740\t\t\t*\/\r\n\r\nvoid Task0();\t\t\t\/* \u4efb\u52a10\u58f0\u660e\t\t\t\t\t\t*\/\r\nvoid Task1();\t\t\t\/* \u4efb\u52a11\u58f0\u660e\t\t\t\t\t\t*\/\r\nvoid Task2();\t\t\t\/* \u4efb\u52a12\u58f0\u660e\t\t\t\t\t\t*\/\r\n\r\nvoid Scheduler(uint8 N);\t\t\/* \u4efb\u52a1\u8c03\u5ea6\u5668\t\t\t\t\t\t*\/\r\nvoid DelayNms(uint8 z);\t\t\t\/* \u6beb\u79d2\u7ea7\u5ef6\u65f6\u51fd\u6570\t\t\t\t\t*\/\r\n\r\nvoid Task0()\r\n{\r\n\twhile(1){\r\n\t\tled_red = ~led_red;\r\n\t\tDelayNms(1000);\r\n\t\tScheduler(1);\r\n\t}\r\n}\r\n\r\nvoid Task1()\r\n{\r\n\twhile(1){\r\n\t\tled_green = ~led_green;\r\n\t\tDelayNms(1000);\r\n\t\tScheduler(2);\r\n\t}\r\n}\r\n\r\nvoid Task2()\r\n{\r\n\twhile(1){\r\n\t\tbuzzer = ~buzzer;\r\n\t\tDelayNms(1000);\r\n\t\tScheduler(0);\r\n\t}\r\n}\r\n\r\n\/\/=============================================================================\r\n\/\/\u51fd\u6570\uff1amain()\r\n\/\/\u63cf\u8ff0\uff1a\u7cfb\u7edf\u521d\u59cb\u5316\u64cd\u4f5c \uff081\uff09\u4efb\u52a1\u51fd\u6570\u5165\u53e3\u5730\u5740\u5b58\u653e\u5728\u4efb\u52a1\u6808\u533a\r\n\/\/\t\t\t\uff082\uff09\u4fdd\u5b58\u4efb\u52a1\u6808\u9876\u5730\u5740\r\n\/\/\t\t\t\uff083\uff09SP\u53d6\u7684\u4efb\u52a1\u6808\u9876\u5730\u5740\uff0c\u901a\u8fc7main()\u8fd4\u56de\u4f5c\u7528\u4f7fPC\u83b7\u5f97\u4efb\u52a1\r\n\/\/\t\t\t\u4efb\u52a1\u5165\u53e3\u5730\u5740\uff0c\u4efb\u52a1\u5f00\u59cb\u8fd0\u884c\r\n\/\/\u53c2\u6570\uff1a\u65e0\r\n\/\/\u8fd4\u56de\uff1a\u65e0\r\n\/\/\u65e5\u671f\uff1a2013\/5\/17 16:18\r\n\/\/=============================================================================\r\nvoid main()\r\n{\r\n\t\/\/\u4efb\u52a1\u51fd\u6570\u5165\u53e3\u5730\u5740\u5b58\u653e\u5728\u6808\u533a\u4e2d\r\n\tTask0Stk[1] = (uint16)Task0;\t\t\t\/* \u4f4e8\u4f4d\t\t\t\t*\/\r\n\tTask0Stk[2] = (uint16)Task0 >> 8;\t\t\/* \u9ad88\u4f4d\t\t\t\t*\/\t\r\n\r\n\tTask1Stk[1] = (uint16)Task1;\t\t\t\/* \u4f4e8\u4f4d\t\t\t\t*\/\r\n\tTask1Stk[2] = (uint16)Task1 >> 8;\t\t\/* \u9ad88\u4f4d\t\t\t\t*\/\r\n\r\n\tTask2Stk[1] = (uint16)Task2;\t\t\t\/* \u4f4e8\u4f4d\t\t\t\t*\/\r\n\tTask2Stk[2] = (uint16)Task2 >> 8;\t\t\/* \u9ad88\u4f4d\t\t\t\t*\/\r\n\r\n\t\/\/\u4fdd\u5b58\u4efb\u52a1\u6808\u533a\u7684\u6808\u9876\u5730\u5740\r\n\tStkTop[0] = Task0Stk;\t\t\t\t\t\/* \u53d6\u5f97\u4efb\u52a10\u6808\u533a\u7684\u9996\u5730\u5740\t*\/\r\n\tStkTop[0] += 2;\r\n\r\n\tStkTop[1] = Task1Stk;\t\t\t\t\t\/* \u53d6\u5f97\u4efb\u52a11\u6808\u533a\u7684\u9996\u5730\u5740\t*\/\r\n\tStkTop[1] += 2;\r\n\r\n\tStkTop[2] = Task2Stk;\t\t\t\t\t\/* \u53d6\u5f97\u4efb\u52a12\u6808\u533a\u7684\u9996\u5730\u5740\t*\/\r\n\tStkTop[2] += 2;\r\n\r\n\t\/\/\u542f\u52a8\u4efb\u52a10\r\n\tSP = StkTop[0];\r\n}\r\n\r\n\/\/=============================================================================\r\n\/\/\u51fd\u6570\uff1aScheduler\r\n\/\/\u63cf\u8ff0\uff1a\u8c03\u5ea6\u5668  (1)\u4fdd\u5b58\u5f53\u524d\u4efb\u52a1\u7684\u6808\u9876\u5730\u5740\r\n\/\/\t\t(2)\u628a\u8981\u8fd0\u884c\u7684\u4efb\u52a1\u53f7\u8d4b\u7ed9state\u53d8\u91cf\r\n\/\/\t\t(3)\u5806\u6808\u6307\u9488\u53d6\u7684\u8981\u8fd0\u884c\u7684\u4efb\u52a1\u7684\u6808\u9876\u5730\u5740\r\n\/\/\u53c2\u6570\uff1a\u8981\u8fd0\u884c\u7684\u4efb\u52a1\u53f7\r\n\/\/\u8fd4\u56de\uff1a\u65e0\r\n\/\/\u65e5\u671f\uff1a2013\/5\/17 18:50\r\n\/\/=============================================================================\r\nvoid Scheduler(uint8 N)\r\n{\r\n\tStkTop[state] = SP;\r\n\tstate = N;\r\n\tSP = StkTop[state];\r\n}\r\n\r\n\/\/=============================================================================\r\n\/\/\u51fd\u6570\uff1aDelayNms(uint z)\r\n\/\/\u63cf\u8ff0\uff1a12M\u6676\u632f\u65f6Nms\u5ef6\u65f6\u51fd\u6570\r\n\/\/\u53c2\u6570\uff1a\u5ef6\u65f6\u53c2\u6570\r\n\/\/\u8fd4\u56de\uff1a\u65e0\r\n\/\/\u65e5\u671f\uff1a2013\/5\/17 18:50\r\n\/\/=============================================================================\r\nvoid DelayNms(uint8 z)\r\n{\r\n\tuint8 x,y;\r\n\tfor(x=z;x>0;x--)\r\n\t{\r\n\t\tfor(y=0;y<120;y++);     \r\n\t}\r\n}\r\n\r\n\u539f\u6587\uff1ahttps:\/\/www.cnblogs.com\/lixiaoming90\/archive\/2013\/05\/17\/3084112.html<\/a><\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
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