{"id":843,"date":"2024-06-24T19:47:00","date_gmt":"2024-06-24T11:47:00","guid":{"rendered":"https:\/\/aimc.skyate.com\/?p=843"},"modified":"2025-06-24T19:53:23","modified_gmt":"2025-06-24T11:53:23","slug":"%e3%80%90aimc%e8%a7%84%e8%8c%83%e3%80%91aimc-lab%e5%b5%8c%e5%85%a5%e5%bc%8fc-c%e7%bc%96%e7%a8%8b%e8%a7%84%e8%8c%83","status":"publish","type":"post","link":"https:\/\/aimc.skyate.com\/index.php\/2024\/06\/24\/%e3%80%90aimc%e8%a7%84%e8%8c%83%e3%80%91aimc-lab%e5%b5%8c%e5%85%a5%e5%bc%8fc-c%e7%bc%96%e7%a8%8b%e8%a7%84%e8%8c%83\/","title":{"rendered":"\u3010AIMC\u89c4\u8303\u3011AIMC LAB\u5d4c\u5165\u5f0fC\/C++\u7f16\u7a0b\u89c4\u8303"},"content":{"rendered":"\n

\u4ee3\u7801\u9996\u5148\u662f\u7ed9\u4eba\u770b\u7684\uff0c\u5176\u6b21\u624d\u662f\u7ed9\u673a\u5668\u6267\u884c\u7684<\/strong>\uff0c\u56e0\u6b64\u4e00\u822c\u60c5\u51b5\u4e0b\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u4f18\u5148\u4e8e\u6027\u80fd\uff0c\u53ea\u6709\u786e\u5b9a\u6027\u80fd\u662f\u74f6\u9888\u65f6\uff0c\u624d\u9700\u8981\u4e3b\u52a8\u4f18\u5316\u3002<\/p>\n\n\n\n

\u53ef\u8bfb\u6027\u9ad8\u7684\u4ee3\u7801\u5e94\u5f53\u662f\u6613\u4e8e\u7406\u89e3\u5e76\u4e14\u6613\u4e8e\u5b9e\u73b0\u7684\uff0c\u4ee3\u7801\u8d8a\u957f\u8d8a\u96be\u770b\u61c2\uff0c\u53ef\u80fd\u51fa\u9519\u7684\u5730\u65b9\u5c31\u8d8a\u591a\uff0c\u53ef\u9760\u6027\u4e5f\u8d8a\u4f4e\u3002\u8fd9\u5c31\u8981\u6c42\u5f00\u53d1\u56e2\u961f\u6709\u4e00\u5957\u7edf\u4e00\u7684\u7f16\u7a0b\u89c4\u8303\uff0c\u6839\u636e\u6e05\u6670\u3001\u7b80\u6d01\u3001\u98ce\u683c\u7edf\u4e00\u7684\u539f\u5219\uff0c\u6765\u5b9e\u73b0\u53ef\u9760\u6027\u9ad8\uff0c\u6613\u4e8e\u7ef4\u62a4\u548c\u91cd\u6784\u7684\u4ee3\u7801\uff0c\u5bf9\u4e8eC\u8bed\u8a00\u8fd9\u79cd\u7075\u6d3b\u5ea6\u6781\u9ad8\u7684\u8bed\u8a00\u6765\u8bf4\u66f4\u4e3a\u91cd\u8981\u3002<\/p>\n\n\n\n

\u73b0\u884c\u7684\u6807\u8bc6\u7b26\u547d\u540d\u89c4\u5219\u6709\u5f88\u591a\uff0c\u5178\u578b\u7684\u5982\uff1a\u9a7c\u5cf0\u547d\u540d\u3001\u5308\u7259\u5229\u547d\u540d\uff0c\u5404\u79cd\u98ce\u683c\u5b70\u4f18\u5b70\u52a3\uff0c\u4e1a\u5185\u4e5f\u4e00\u76f4\u4e89\u8bba\u4e0d\u4f11\uff0c\u5f52\u6839\u5230\u5e95\u8fd9\u5176\u5b9e\u5e76\u4e0d\u662f\u4e00\u4e2a\u5ba2\u89c2\u7684\u6280\u672f\u95ee\u9898\uff0c\u66f4\u591a\u7684\u662f\u548c\u6bcf\u4e2a\u56e2\u961f\u7684\u4e60\u60ef\u6cbf\u88ad\u6709\u5173\u3002\u6807\u8bc6\u7b26\u547d\u540d\u540c\u6837\u8981\u9075\u5faa\u6e05\u6670\u3001\u7b80\u6d01\u3001\u98ce\u683c\u7edf\u4e00\u7684\u5927\u539f\u5219\u3002<\/p>\n\n\n\n

1 \u6807\u8bc6\u7b26\u547d\u540d<\/h2>\n\n\n\n

1.1 \u901a\u7528\u89c4\u5219<\/h3>\n\n\n\n

1.1.1 \u6807\u8bc6\u7b26\u7684\u547d\u540d\u8981\u6e05\u6670\u3001\u7b80\u660e\u3001\u6709\u610f\u4e49\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b8c\u6574\u7684\u82f1\u8bed\u5355\u8bcd\u6216\u662f\u7f29\u5199\uff0c\u7981\u6b62\u4f7f\u7528\u5355\u4e2a\u5b57\u7b26\u548c\u6c49\u8bed\u62fc\u97f3\uff0c\u907f\u514d\u8ba9\u4eba\u4ea7\u751f\u8bef\u89e3\u3002<\/h4>\n\n\n\n
    \n
  • \u4f7f\u7528\u5355\u8bcd\u7f29\u5199\u65f6\u5e94\u4f7f\u7528\u516c\u8ba4\u7684\u7f29\u5199\uff0c\u5e38\u7528\u7684\u5355\u8bcd\u7f29\u5199\u53ef\u53c2\u8003\u9644\u5f55\u8868\u683c\u3002\u5982\u679c\u4ee3\u7801\u4e2d\u4f7f\u7528\u4e86\u7279\u6b8a\u7f29\u5199\uff0c\u5219\u9700\u8981\u5728\u5b9a\u4e49\u5904\u7ed9\u51fa\u5fc5\u8981\u7684\u6ce8\u91ca\u8bf4\u660e\u3002<\/li>\n\n\n\n
  • \u4e00\u4e2a\u9879\u76ee\u5185\u4e13\u6709\u540d\u8bcd\u5e94\u5f53\u7edf\u4e00\uff0c\u907f\u514d\u4f7f\u7528\u540c\u610f\u4e0d\u540c\u540d\u7684\u6807\u8bc6\u3002<\/li>\n\n\n\n
  • \u53ea\u5141\u8bb8\u5b9a\u4e49i \u3001j\u3001k\u7b49\u5355\u4e2a\u5b57\u7b26\u4f5c\u4e3a\u5c40\u90e8\u5faa\u73af\u53d8\u91cf\uff0c\u5176\u4ed6\u60c5\u51b5\u5219\u7981\u6b62\u4f7f\u7528\u3002<\/li>\n<\/ul>\n\n\n\n
    uint32_t num;         \/* ok *\/\nuint32_t error_value; \/* good *\/\n \nuint32_t aaa;         \/* bad *\/\nuint32_t shu_zhi;     \/* bad *\/<\/pre>\n\n\n\n
    \u63a8\u8350\u547d\u540d\u683c\u5f0f\uff1a\u6a21\u5757\u524d\u7f00\uff08\u5c0f\u5199\uff09_\uff08\u9996\u5b57\u6bcd\u5c0f\u5199\uff09\u53d8\u91cf\u542b\u4e49\u540d<\/strong>\uff0c\u4f8b\u5982\uff1asyscfg_configFileRootPath.\u7528\u4e8e\u6307\u793aSysCfg\u7cfb\u7edf\u914d\u7f6e\u7a0b\u5e8f\u6a21\u5757\u7684\u914d\u7f6e\u6587\u4ef6\u8def\u5f84\u3002<\/p>\n\n\n\n
    1.1.2 \u5c3d\u91cf\u907f\u514d\u6807\u8bc6\u7b26\u4e2d\u51fa\u73b0\u6570\u5b57\u7f16\u53f7\uff0c\u9664\u975e\u903b\u8f91\u4e0a\u7f16\u53f7\u6709\u5b9e\u9645\u610f\u4e49\u3002<\/h4>\n\n\n\n
    uint8_t timer0; \/* ok *\/\n \nuint8_t flag0; \/* bad *\/<\/pre>\n\n\n\n
    1.1.4 \u9664\u5934\u6587\u4ef6\u6216\u7f16\u8bd1\u5f00\u5173\u7b49\u7279\u6b8a\u6807\u8bc6\u7b26\uff0c\u4e0d\u4f7f\u7528\u4e0b\u5212\u7ebf\u201c_\u201d\u4f5c\u4e3a\u6807\u8bc6\u7b26\u7684\u5f00\u5934\u6216\u7ed3\u5c3e\u3002<\/h4>\n\n\n\n
    \u4e00\u822c\u6765\u8bf4\uff0c\u4ee5\u4e0b\u5212\u7ebf\u5f00\u5934\u6216\u7ed3\u5c3e\u7684\u5b8f\u90fd\u662f\u5185\u90e8\u7684\u5b9a\u4e49\uff0c\u4e3a\u907f\u514d\u51b2\u7a81\u5e94\u4f7f\u7528\u5355\u8bcd\u4f5c\u4e3a\u6807\u8bc6\u7b26\u5f00\u5934\u3002<\/p>\n\n\n\n
    \u63a8\u8350\u4f7f\u7528\u7a0b\u5e8f\u6240\u5c5e\u6a21\u5757\u540d\u79f0\u6216\u7b80\u5199\u4f5c\u4e3a\u5f00\u5934\uff0c\u4ee5SysCfg\u6a21\u5757\u4e3a\u4f8b\uff1a<\/strong><\/p>\n\n\n\n
      syscfg_xxxx \u5c0f\u5199\u524d\u7f00\u4ee3\u8868\u201c\u53d8\u91cf\u201d<\/strong><\/p>\n\n\n\n
      SysCfg_xxx \u5927\u5199\u9996\u5b57\u6bcd\u5927\u5199\u524d\u7f00\u4ee3\u8868 \u201c\u51fd\u6570\u201d<\/strong><\/p>\n\n\n\n
      SYSCFG_XXX \u5168\u5927\u5199\u524d\u7f00\u4ee3\u8868<\/strong>\u5b8f\u5b9a\u4e49<\/strong><\/p>\n\n\n\n
    1.1.3 \u6807\u8bc6\u7b26\u7684\u547d\u540d\u957f\u5ea6\u5e94\u5f53\u5c0f\u4e8e32\u4e2a\u5b57\u7b26\uff0c\u4ee5\u4e0b\u5212\u7ebf\u201c_\u201d\u4e3a\u95f4\u9694\u603b\u5b57\u6bb5\u4e0d\u8d85\u8fc75\u6bb5\u3002<\/h4>\n\n\n\n
    ISO C \u6807\u51c6\u8981\u6c42\u5185\u90e8\u6807\u8bc6\u7b26\u524d31\u4e2a\u5b57\u7b26\u5fc5\u987b\u662f\u4e0d\u540c\u7684\uff0c\u4ee5\u4fdd\u8bc1\u79fb\u690d\u6027\u3002\u8fc7\u957f\u7684\u6807\u8bc6\u7b26\u53ef\u8bfb\u6027\u4e5f\u8f83\u5dee\uff0c\u901a\u5e38\u75285\u4e2a\u5b57\u6bb5\u8db3\u4ee5\u51c6\u786e\u63cf\u8ff0\u53d8\u91cf\u6216\u51fd\u6570\u7684\u610f\u4e49\u3002<\/p>\n\n\n\n
    1.2 \u6587\u4ef6\u547d\u540d<\/h3>\n\n\n\n
    1.2.1 \u76ee\u5f55\u548c\u6587\u4ef6\u4f7f\u7528\u5c0f\u5199\u5b57\u6bcd\u548c\u4e0b\u5212\u7ebf\u547d\u540d\uff0c\u5c3d\u91cf\u4e0d\u4f7f\u7528\u6570\u5b57\u3002<\/h4>\n\n\n\n
    \u4e3a\u4e86\u907f\u514d\u6587\u4ef6\u91cd\u540d\uff0c\u5c3d\u91cf\u4e0d\u8981\u4f7f\u7528\u7b80\u5355\u7684\u9ad8\u9891\u8bcd\u6c47\uff0c\u53ef\u4ee5\u4f7f\u7528\u6a21\u5757+\u529f\u80fd\u6765\u547d\u540d\u6587\u4ef6\u3002<\/p>\n\n\n\n
    1.2.2 \u6a21\u5757\u5bf9\u5916\u63a5\u53e3\u7684\u5934\u6587\u4ef6\u7edf\u4e00\u4f7f\u7528\u201c\u6a21\u5757\u540d_api.h\u201d\u7684\u683c\u5f0f\u547d\u540d\u3002<\/h4>\n\n\n\n
    \u4e00\u4e2a\u529f\u80fd\u6a21\u5757\u53ef\u4ee5\u5305\u542b\u82e5\u5e72\u6e90\u6587\u4ef6\uff0c\u5141\u8bb8\u4f7f\u7528\u4e00\u4e2a\u516c\u5171\u7684\u5934\u6587\u4ef6\u4f5c\u4e3a\u63a5\u53e3\u6587\u4ef6\u3002<\/p>\n\n\n\n
    1.3 \u5b8f\u548c\u5e38\u91cf\u547d\u540d<\/h3>\n\n\n\n
    1.3.1 \u5b8f\u548c\u5e38\u91cf\u4f7f\u7528\u5927\u5199\u5b57\u6bcd\u548c\u4e0b\u5212\u7ebf\u547d\u540d\u3002<\/h4>\n\n\n\n
    \u4e3a\u4e86\u907f\u514d\u6587\u4ef6\u5185\u90e8\u5e38\u91cf\u548c\u5916\u90e8\u53d8\u91cf\u91cd\u540d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6a21\u5757\u540d\u4f5c\u4e3a\u5e38\u91cf\u7684\u524d\u7f00\u3002<\/p>\n\n\n\n
    #define GPIO_TEST_SWITCH 1 \/* ok *\/\n \nconst static uint8_t GPIO_MAX_NUM = 16; \/* ok *\/<\/pre>\n\n\n\n
    1.3.2 \u679a\u4e3e\u503c\u4e5f\u662f\u5e38\u91cf\uff0c\u540c\u6837\u4f7f\u7528\u5927\u5199\u5b57\u6bcd\u548c\u4e0b\u5212\u7ebf\u547d\u540d\u3002<\/h4>\n\n\n\n
    \/* ok *\/\ntypedef enum {\n    COLOUR_RED;\n    COLOUR_BLUE;\n    COLOUR_GREEN;\n} colour_t;<\/pre>\n\n\n\n
    1.4 \u7ed3\u6784\u4f53\u548c\u679a\u4e3e\u547d\u540d<\/h3>\n\n\n\n
    1.4.1 \u7ed3\u6784\u4f53\u4f7f\u7528\u5c0f\u5199\u5b57\u6bcd\u548c\u4e0b\u5212\u7ebf\u547d\u540d\uff0c\u7edf\u4e00\u4f7f\u7528typedef\u91cd\u547d\u540d\uff0c\u5e76\u4ee5\u201c_t\u201d\u4f5c\u4e3a\u7ed3\u6784\u4f53\u540d\u79f0\u7684\u5c3e\u7f00\u3002<\/h4>\n\n\n\n
    \u6709\u4e00\u4e9b\u89c4\u8303\u8981\u6c42\u7ed3\u6784\u4f53\u4ee5\u201c_s\u201d\u4f5c\u4e3a\u7ed3\u5c3e\uff0c\u679a\u4e3e\u4ee5\u201c_e\u201d\u4f5c\u4e3a\u7ed3\u5c3e\uff0c\u7528\u4ee5\u533a\u5206\u5f7c\u6b64\u3002\u4f46\u5728\u5b9e\u9645\u64cd\u4f5c\u4e2d\uff0c\u7ed3\u6784\u4f53\u8d4b\u503c\u5f80\u5f80\u9700\u8981\u8ddf\u8e2a\u5230\u5b9a\u4e49\u624d\u77e5\u9053\u5177\u4f53\u7684\u6210\u5458\uff08\u73b0\u5728\u7684\u7f16\u8f91\u5668\u4e5f\u4f1a\u6709\u5feb\u6377\u663e\u793a\uff09\uff0c\u800c\u679a\u4e3e\u4e00\u822c\u5f88\u5c11\u4f7f\u7528\u679a\u4e3e\u540d\uff0c\u901a\u5e38\u662f\u76f4\u63a5\u4f7f\u7528\u679a\u4e3e\u503c\uff0c\u56e0\u800c\u533a\u5206\u7684\u6536\u76ca\u4e0d\u662f\u5f88\u5927\u3002<\/p>\n\n\n\n
    \u672c\u89c4\u8303\u8981\u6c42\u4ee5\u201c_t\u201d\u4f5c\u4e3a\u7ed3\u6784\u4f53\u540d\u79f0\u7684\u5c3e\u7f00\u3002<\/strong><\/p>\n\n\n\n
    1.4.2 \u7ed3\u6784\u4f53\u6210\u5458\u4e5f\u4f7f\u7528\u5c0f\u5199\u5b57\u6bcd\u548c\u4e0b\u5212\u7ebf\u547d\u540d\u3002<\/h4>\n\n\n\n
    \u6210\u5458\u540d\u79f0\u5e94\u5f53\u5c3d\u91cf\u7b80\u77ed\uff0c\u660e\u786e\u7ed3\u6784\u4f53\u67d0\u4e00\u5c5e\u6027\u5373\u53ef\uff0c\u4e0d\u8981\u91cd\u590d\u7ed3\u6784\u4f53\u540d\u79f0\u5df2\u7ecf\u8868\u660e\u7684\u4fe1\u606f<\/strong>\uff0c\u4e5f\u4e0d\u8981\u51fa\u73b0\u660e\u663e\u548c\u7ed3\u6784\u4f53\u610f\u4e49\u4e0d\u76f8\u5173\u7684\u6210\u5458\u540d\u3002\u672c\u89c4\u8303\u89c4\u5b9a\uff0c\u7ed3\u6784\u4f53\u6210\u5458\u4e0d\u5f97\u52a0\u524d\u7f00\uff08\u7279\u522b\u662f\u4ee5\u7ed3\u6784\u4f53\u540d\u79f0\u7f29\u5199\u4e3a\u524d\u7f00\uff09<\/strong>\u3002<\/strong><\/p>\n\n\n\n
    1.4.3 \u679a\u4e3e\u547d\u540d\u548c\u7ed3\u6784\u4f53\u547d\u540d\u5728\u683c\u5f0f\u4e0a\u4fdd\u6301\u4e00\u81f4\u3002<\/h4>\n\n\n\n
    \/* standard format, ok *\/\ntypedef struct tree_node {\n    uint32_t data;\n    struct tree_node *left;\n    struct tree_node *right;\n} binary_tree_t;\n \n\/* general format, ok *\/\ntypedef struct {\n    uint8_t age;\n    uint8_t gender;\n    uint8_t weight;\n    uint8_t coat_color;\n} cat_t;\n \n\/* bad *\/\ntypedef struct {\n    uint8_t cat_age;\n    uint8_t cat_gender;\n    uint16_t cat_weight;\n    uint16_t dog_coat_color;\n} cat_t;<\/pre>\n\n\n\n
    1.5 \u53d8\u91cf\u547d\u540d<\/h3>\n\n\n\n
    1.5.1 \u53d8\u91cf\u4f7f\u7528\u5c0f\u5199\u5b57\u6bcd\u548c\u4e0b\u5212\u7ebf\u547d\u540d\uff0c\u5168\u5c40\u53d8\u91cf\u4ee5\u201cg_\u201d\u4f5c\u4e3a\u516c\u5171\u524d\u7f00\uff0c\u9759\u6001\u53d8\u91cf\u4ee5\u201cs_\u201d\u4f5c\u4e3a\u516c\u5171\u524d\u7f00\uff0c\u5c40\u90e8\u53d8\u91cf\u4e0d\u52a0\u516c\u5171\u524d\u7f00\u3002<\/h4>\n\n\n\n
    \u4e0d\u5141\u8bb8<\/strong>\u5c40\u90e8\u53d8\u91cf<\/strong>\u548c\u5168\u5c40\u53d8\u91cf\u91cd\u540d\uff0c\u56e0\u6b64\u901a\u8fc7<\/strong>\u6a21\u5757\u524d\u7f00<\/strong>\u52a0\u4ee5\u533a\u5206<\/strong>\uff0c\u5c3d\u7ba1\u5c40\u90e8\u53d8\u91cf\u548c\u5168\u5c40\u53d8\u91cf\u7684\u4f5c\u7528\u57df\u4e0d\u540c\u4e0d\u4f1a\u53d1\u751f\u8bed\u6cd5\u9519\u8bef\uff0c\u4f46\u5bb9\u6613\u4f7f\u4eba\u8bef\u89e3\u3002\u540c\u7406\uff0c\u5728\u51fd\u6570\u5185\u90e8\u4e0d\u8981\u5b9a\u4e49\u540c\u540d\u7684\u5c40\u90e8\u53d8\u91cf\u3002<\/p>\n\n\n\n
    \u5168\u5c40\u53d8\u91cf\u547d\u540d\u5e94\u8be5\u5c3d\u91cf\u8be6\u7ec6\uff0c\u9700\u8981\u5305\u542b\u5177\u4f53\u7684\u6a21\u5757\u540d\uff1b\u5c40\u90e8\u53d8\u91cf\u547d\u540d\u5219\u5e94\u8be5\u5c3d\u8be5\u91cf\u7b80\u7ea6\uff0c\u8bf4\u660e\u7528\u9014\u6216\u542b\u4e49\u5373\u53ef\u3002\u540c\u65f6\u672c\u89c4\u8303\u8981\u6c42\uff1a\u5168\u5c40\u53d8\u91cf\u4ee5\u201cg_\u201d\u4f5c\u4e3a\u516c\u5171\u524d\u7f00\uff0c\u9759\u6001\u53d8\u91cf\u4ee5\u201cs_\u201d\u4f5c\u4e3a\u516c\u5171\u524d\u7f00<\/strong>\u3002<\/p>\n\n\n\n
    uint8_t g_syscfg_configMode = 0;  \/* global variable, ok *\/\nuint8_t s_syscfg_readFlag = 0;    \/* static variable, ok *\/\nuint8_t count = 0;                \/* local variable, ok *\/<\/pre>\n\n\n\n
    1.6 \u51fd\u6570\u547d\u540d<\/h3>\n\n\n\n
    1.6.1 \u51fd\u6570\u4f7f\u7528\u5c0f\u5199\u5b57\u6bcd\u548c\u4e0b\u5212\u7ebf\u547d\u540d\uff0c\u51fd\u6570\u7684\u540d\u79f0\u5e94\u8be5\u4f53\u73b0\u51fd\u6570\u7684\u529f\u80fd\u6216\u52a8\u4f5c\u3002<\/h4>\n\n\n\n
    \u5e38\u7528\u64cd\u4f5c\u7684\u53cd\u4e49\u8bcd\u53c2\u89c1\u9644\u5f55\uff0c\u53ef\u4f5c\u4e3a\u547d\u540d\u53c2\u8003\u3002<\/p>\n\n\n\n
    1.6.2 \u51fd\u6570\u6307\u9488\u4ee5\u201c_func\u201d\u6216\u201c_callback\u201d\u4f5c\u4e3a\u540d\u79f0\u5c3e\u7f00\uff0c\u5bf9\u5916\u63a5\u53e3\u51fd\u6570\u5219\u4ee5\u201c\u6a21\u5757\u540d(\u9996\u5b57\u6bcd\u5927\u5199\uff09_\u201d\u4f5c\u4e3a\u540d\u79f0\u524d\u7f00\uff0c\u540c\u65f6\u540e\u7eed\u51fd\u6570\u540d\u5e94\u91c7\u53d6\u9a7c\u5cf0\u547d\u540d\u65b9\u5f0f\u3002<\/h4>\n\n\n\n
    int32_t SysCfg_DriveFlashInit(void);   \/* ok *\/\nvoid (* timer_timeout_func)(void);     \/* ok *\/<\/pre>\n\n\n\n
    1.6.3 \u51fd\u6570\u4f53\u5927\u62ec\u53f7 { } \u90fd\u9700\u8981\u53e6\u8d77\u5e76\u4e14\u72ec\u5360\u4e00\u884c\uff0c\u4e0d\u8981\u548c\u51fd\u6570\u540d\u540e\u6362\u884c\u3002<\/h4>\n\n\n\n
    \/* ok *\/\nint32_t drive_flash_init(void)\n{\n    \/* todo *\/\n \n    return;\n}\n \n\/* bad *\/\nint32_t drive_flash_init(void) {\n    \/* todo *\/\n \n    return;\n}<\/pre>\n\n\n\n
    2 \u6587\u4ef6<\/h2>\n\n\n\n
    \u6587\u4ef6\u8bbe\u8ba1\u662f\u7a0b\u5e8f\u8bbe\u8ba1\u7684\u91cd\u8981\u4e00\u73af\uff0c\u540c\u6837\u5e94\u5f53\u9075\u5faa\u201c\u9ad8\u5185\u805a\uff0c\u4f4e<\/strong>\u8026\u5408<\/strong>\u201d<\/strong>\u7684\u8bbe\u8ba1\u539f\u5219\u3002<\/p>\n\n\n\n
    2.1 \u6587\u4ef6\u7ed3\u6784<\/h3>\n\n\n\n
    2.1.1 \u6587\u4ef6\u804c\u8d23\u5e94\u5f53\u5355\u4e00\uff0c\u5355\u4e2a\u6587\u4ef6\u6700\u5927\u4e0d\u5f97\u8d85\u8fc72000\u884c\u3002<\/h4>\n\n\n\n
    2.1.2 \u6bcf\u4e00\u4e2a .c \u6587\u4ef6\u90fd\u5e94\u6709\u4e00\u4e2a\u540c\u540d .h \u6587\u4ef6\uff0c\u7528\u4e8e\u58f0\u660e\u9700\u8981\u5bf9\u5916\u516c\u5f00\u7684\u63a5\u53e3\u3002<\/h4>\n\n\n\n
    \u5982\u679c\u4e00\u4e2a.c\u6587\u4ef6\u4e0d\u9700\u8981\u5bf9\u5916\u516c\u5e03\u4efb\u4f55\u63a5\u53e3\uff0c\u5219\u5176\u5c31\u4e0d\u5e94\u5f53\u5b58\u5728\uff0c\u9664\u975e\u5b83\u662f\u7a0b\u5e8f\u7684\u5165\u53e3\uff0c\u5982main\u51fd\u6570\u6240\u5728\u7684\u6587\u4ef6\u3002<\/p>\n\n\n\n
    2.1.3 \u4e00\u4e2a\u6a21\u5757\u53ef\u4ee5\u5305\u542b\u591a\u4e2a .c \u6587\u4ef6\uff0c\u4e3a\u65b9\u4fbf\u5916\u90e8\u4f7f\u7528\uff0c\u5efa\u8bae\u6bcf\u4e00\u4e2a\u6a21\u5757\u63d0\u4f9b\u4e00\u4e2a .h \u3002<\/h4>\n\n\n\n
    \u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u4e2a.h\u5e76\u4e0d\u662f\u7b80\u5355\u7684\u5305\u542b\u6240\u6709\u5185\u90e8\u7684.h\uff0c\u5b83\u662f\u4e3a\u4e86\u6a21\u5757\u4f7f\u7528\u8005\u7684\u65b9\u4fbf\uff0c\u5bf9\u5916\u63d0\u4f9b\u7684\u6a21\u5757\u6574\u4f53\u63a5\u53e3<\/strong>\u3002<\/p>\n\n\n\n
    2.1.4 \u5f15\u7528\u5e93\u6587\u4ef6\u901a\u8fc7<.h>\u65b9\u5f0f\u5f15\u7528\uff0c\u5176\u4ed6\u6587\u4ef6\u901a\u8fc7\u201c.h\u201d\u5f15\u7528\u3002\u5f15\u7528\u987a\u5e8f\uff1aC\u5e93\uff08C++\u5e93\uff09\u3001\u7b2c\u4e09\u65b9\u5e93\u3001\u9879\u76ee\u5185\u5934\u6587\u4ef6\uff0c \u540c\u4e00\u7c7b\u578b\u7684\u5934\u6587\u4ef6\u91c7\u7528\u5b57\u6bcd\u987a\u5e8f\u6392\u5217\u3002\u7981\u6b62\u5305\u542b\u7528\u4e0d\u5230\u7684\u5934\u6587\u4ef6\u3002<\/h4>\n\n\n\n
    #include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include \"activation.h\"<\/pre>\n\n\n\n
    2.1.5 \u53ea\u80fd\u901a\u8fc7\u5305\u542b\u5934\u6587\u4ef6\u7684\u65b9\u5f0f\u4f7f\u7528\u5176\u4ed6 .c \u63d0\u4f9b\u7684\u63a5\u53e3\uff0c\u7981\u6b62\u901a\u8fc7 extern \u7684\u65b9\u5f0f\u4f7f\u7528\u5916\u90e8\u51fd\u6570\u63a5\u53e3\u6216\u53d8\u91cf\u3002<\/h4>\n\n\n\n
    \u76f4\u63a5\u4f7f\u7528extern\u5f15\u7528\u5916\u90e8\u51fd\u6570\u5bb9\u6613\u5728\u5916\u90e8\u51fd\u6570\u6539\u53d8\u65f6\u58f0\u660e\u548c\u5b9a\u4e49\u53d8\u5f97\u4e0d\u4e00\u81f4\uff0c\u540c\u65f6\u4e5f\u4f1a\u4f7f\u5f97\u4ee3\u7801\u6574\u4f53\u67b6\u6784\u53d8\u5f97\u79bb\u6563\u4e0d\u6613\u7ef4\u62a4\u3002<\/p>\n\n\n\n
    extern uint8_t g_timer_mode;           \/* bad *\/\nextern int32_t drive_flash_init(void); \/* bad *\/<\/pre>\n\n\n\n
    2.2 \u5934\u6587\u4ef6<\/h3>\n\n\n\n
    2.2.1 \u5934\u6587\u4ef6\u53ea\u80fd\u5305\u542b\u5b8f\u3001\u679a\u4e3e\u3001\u7ed3\u6784\u4f53\u548c\u51fd\u6570\u7684\u58f0\u660e\uff0c\u4e14\u5e94\u8be5\u58f0\u660e\u5728\u552f\u4e00\u7684\u5934\u6587\u4ef6\u4e2d\uff0c\u7981\u6b62\u5728\u5934\u6587\u4ef6\u4e2d\u5b9a\u4e49\u53d8\u91cf\u6216\u5b9e\u73b0\u51fd\u6570\u3002<\/h4>\n\n\n\n
    \u5934\u6587\u4ef6\u5e94\u8be5\u7528\u4e8e\u58f0\u660e\u5bf9\u8c61\u3001\u51fd\u6570\u3001typedef \u548c\u5b8f\uff0c\u800c\u4e0d\u5e94\u8be5\u5305\u542b\u6216\u751f\u6210\u5360\u636e\u5b58\u50a8\u7a7a\u95f4\u7684\u5bf9\u8c61\u6216\u51fd\u6570<\/strong>\uff08\u6216\u5b83\u4eec\u7684\u7247\u65ad\uff09\u7684\u5b9a\u4e49\u3002\u8fd9\u6837\u5c31\u6e05\u6d17\u5212\u5206\u4e86 .c \u548c .h \u6587\u4ef6\u7684\u7528\u9014\uff0c\u5373\u53ea\u6709 .c \u6587\u4ef6\u624d\u5305\u542b\u53ef\u6267\u884c\u7684<\/strong>\u6e90\u4ee3\u7801<\/strong>\uff0c\u800c\u5934\u6587\u4ef6\u53ea\u80fd\u5305\u542b\u58f0\u660e<\/strong>\u3002<\/p>\n\n\n\n
    2.2.2 \u4ec5\u5728\u5185\u90e8\u4f7f\u7528\u7684\u5b8f\u3001\u679a\u4e3e\u3001\u7ed3\u6784\u4f53\u548c\u51fd\u6570\uff0c\u4e0d\u5e94\u653e\u5728\u5934\u6587\u4ef6\uff0c\u800c\u5e94\u8be5\u653e\u5728 .c \u6587\u4ef6\u4e2d\u3002<\/h4>\n\n\n\n
    2.2.3 \u6240\u6709\u5934\u6587\u4ef6\u90fd\u5e94\u91c7\u7528#define\u5b8f\u9632\u6b62\u91cd\u590d\u5305\u542b\uff0c\u547d\u540d\u683c\u5f0f\u4e3a\u201c__\u6587\u4ef6\u540d_H__\u201d\u3002\u5f53\u4e3a\u4fdd\u8bc1\u552f\u4e00\u6027\u63a8\u8350\u4f7f\u7528\u201c\u8def\u5f84\u540d_\u6587\u4ef6\u540d_H\u201d\u3002<\/h4>\n\n\n\n
    \u4f5c\u7528\uff1a\u5f53\u5934\u6587\u4ef6\u7b2c\u4e00\u6b21\u88ab\u5305\u542b\u65f6\u4f1a\u5b9a\u4e49\u8fd9\u4e2a\u5b8f\uff0c\u5728\u5934\u6587\u4ef6\u88ab\u518d\u6b21\u5305\u542b\u65f6\u5c06\u4e0d\u518d\u5c55\u5f00\u6587\u4ef6\u5185\u5bb9\u3002<\/p>\n\n\n\n
    #ifndef FTRMWARE_DRIVE_FLASH_H\n#define FTRMWARE_DRIVE_FLASH_H\n \n\/* user code *\/\n \n#endif \/* FTRMWARE_DRIVE_FLASH_H *\/<\/pre>\n\n\n\n
    2.2.4 \u7981\u6b62\u5934\u6587\u4ef6\u5faa\u73af\u4f9d\u8d56\u3002<\/h4>\n\n\n\n
    \u5934\u6587\u4ef6\u5faa\u73af\u4f9d\u8d56\u662f\u6307a.h\u5305\u542bb.h\uff0cb.h\u5305\u542bc.h\uff0cc.h\u5305\u542ba.h\uff0c\u5bfc\u81f4\u4fee\u6539\u4efb\u4f55\u4e00\u4e2a\u5934\u6587\u4ef6\uff0c\u90fd\u4f1a\u4f7f\u6240\u6709\u5305\u542b\u4e86a.h\/b.h\/c.h\u7684\u4ee3\u7801\u5168\u90e8\u91cd\u65b0\u7f16\u8bd1\u4e00\u904d\u3002\u800c\u5982\u679c\u662f\u5355\u5411\u4f9d\u8d56\uff0c\u5982a.h\u5305\u542bb.h\uff0cb.h\u5305\u542bc.h\uff0c\u800cc.h\u4e0d\u5305\u542b\u4efb\u4f55\u5934\u6587\u4ef6\uff0c\u5219\u4fee\u6539a.h\u4e0d\u4f1a\u5bfc\u81f4\u5305\u542b\u4e86b.h\/c.h\u7684\u6e90\u4ee3\u7801\u91cd\u65b0\u7f16\u8bd1\u3002<\/p>\n\n\n\n
    3 \u53d8\u91cf<\/h2>\n\n\n\n
    3.1 \u6570\u636e\u7c7b\u578b<\/h3>\n\n\n\n
    3.1.1 \u4f7f\u7528\u6307\u793a\u5927\u5c0f\u548c\u7b26\u53f7\u7684typedef \u6570\u636e\u7c7b\u578b\u4ee3\u66ff\u57fa\u672c\u6570\u636e\u7c7b\u578b\u5b9a\u4e49\u53d8\u91cf\u3002<\/h4>\n\n\n\n
    \u5d4c\u5165\u5f0f\u7cfb\u7edf\u6216\u5355\u7247\u673a\u578b\u53f7\u9a73\u6742\uff0c\u76f4\u63a5\u4f7f\u7528\u57fa\u672c\u6570\u636e\u7c7b\u578bchar\u3001int\u3001short\u3001long\u3001float \u548cdoulb\uff0c\u65e0\u6cd5\u4fdd\u8bc1\u4ee3\u7801\u7684\u79fb\u690d\u6027\u3002\u4f7f\u7528typedef\u91cd\u65b0\u5b9a\u4e49\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff0c\u5728\u5207\u6362\u5e73\u53f0\u65f6\u4ec5\u9700\u8c03\u6574typedef\u5b9a\u4e49\u5373\u53ef\u3002<\/p>\n\n\n\n
    \/* 32bit system *\/\ntypedef signed char    int8_t;\ntypedef signed short   int16_t;\ntypedef signed int     int32_t;\ntypedef signed long    int64_t;\ntypedef unsigned char  uint8_t;\ntypedef unsigned short uint16_t;\ntypedef unsigned int   uint32_t;\ntypedef unsigned long  uint64_t;\ntypedef float          float32_t;\ntypedef double         float64_t;\n \nint32_t value; \/* good *\/\nint number;    \/* bad *\/<\/pre>\n\n\n\n
    3.1.2 \u4f7f\u7528char \u7c7b\u578b\u5b9a\u4e49\u5b57\u7b26\u6216\u5b57\u7b26\u4e32\uff0cint8_t \u6216uint8_t \u7c7b\u578b\u53ea\u80fd\u7528\u4e8e\u5b9a\u4e49\u6570\u503c\u6216\u6570\u7ec4\u3002<\/h4>\n\n\n\n
    C\u8bed\u8a00\u4e2d\u6ca1\u6709string\u7c7b\u578b\uff0c\u56e0\u6b64\u4f7f\u7528char\u5b9a\u4e49string\u7c7b\u578b\u7684\u6570\u636e\u3002\u800c\u4e14\u4e0d\u8bba\u4efb\u4f55\u786c\u4ef6\u5e73\u53f0\uff0cchar\u7c7b\u578b\u90fd\u662f\u4e00\u4e2a\u5b57\u8282\uff0c\u4e0d\u5b58\u5728\u957f\u5ea6\u517c\u5bb9\u95ee\u9898\u3002<\/p>\n\n\n\n
    char str[] = \"Hello World\";      \/* ok *\/\nint8_t arr[5] = {1, 2, 3, 4, 5}; \/* ok *\/\nint8_t url[] = \"www.xxxx.com\";   \/* bad *\/<\/pre>\n\n\n\n
    3.1.3 \u5c3d\u91cf\u51cf\u5c11\u6ca1\u6709\u5fc5\u8981\u7684\u6570\u636e\u7c7b\u578b\u9ed8\u8ba4\u6216\u5f3a\u5236\u8f6c\u6362\u3002<\/h4>\n\n\n\n
    \u8fdb\u884c\u6570\u636e\u7c7b\u578b\u5f3a\u5236\u8f6c\u6362\u65f6\uff0c\u6570\u636e\u7684\u610f\u4e49\u3001\u53d6\u503c\u7b49\u90fd\u6709\u53ef\u80fd\u53d1\u751f\u53d8\u5316\uff0c\u800c\u8fd9\u4e9b\u7ec6\u8282\u82e5\u8003\u8651\u4e0d\u5468\uff0c\u5c31\u5f88\u6709\u53ef\u80fd\u7559\u4e0b\u9690\u60a3\u3002<\/p>\n\n\n\n
    3.2 \u5168\u5c40\u548c\u5c40\u90e8\u53d8\u91cf<\/h3>\n\n\n\n
    3.2.1 \u53d8\u91cf\u7684\u4f7f\u7528\u8981\u505a\u5230\u201c\u540d\u526f\u5176\u5b9e\u201d\uff0c\u4e00\u4e2a\u53d8\u91cf\u53ea\u80fd\u6709\u4e00\u4e2a\u529f\u80fd\uff0c\u4e0d\u80fd\u628a\u4e00\u4e2a\u53d8\u91cf\u7528\u4f5c\u591a\u79cd\u7528\u9014\u3002<\/h4>\n\n\n\n
    \u4e00\u4e2a\u53d8\u91cf\u53ea\u80fd\u7528\u6765\u8868\u793a\u4e00\u4e2a\u7279\u5b9a\u610f\u4e49\uff0c\u5f53\u5b9e\u9645\u6570\u636e\u7684\u610f\u4e49\u548c\u53d8\u91cf\u4ee3\u8868\u7684\u610f\u4e49\u4e0d\u540c\u65f6\uff0c\u5e94\u8be5\u5b9a\u4e49\u4e00\u4e2a\u65b0\u53d8\u91cf\u6765\u627f\u8f7d\u6570\u636e\uff0c\u800c\u4e0d\u662f\u4e3a\u56fe\u65b9\u4fbf\u4f9d\u65e7\u4f7f\u7528\u8fd9\u4e2a\u53d8\u91cf\u3002\u9664\u4e86\u96be\u4ee5\u7406\u89e3\u5916\uff0c\u8fd8\u53ef\u80fd\u4f1a\u5f15\u53d1\u903b\u8f91\u4e0a\u7684\u9519\u8bef\u3002<\/p>\n\n\n\n
    uint32_t calculate_area(uint16_t length, uint16_t width)\n{\n    if ((0 == length) || (0 == width)) {\n        return 0;\n    }\n \n    length *= width; \/* bad *\/\n \n    return length;\n}\n \nuint32_t calculate_area(uint16_t length, uint16_t width)\n{\n    if ((0 == length) || (0 == width)) {\n        return 0;\n    }\n \n    uint32_t area = length * width; \/* good *\/\n \n    return area;\n}<\/pre>\n\n\n\n
    3.2.3 \u5c3d\u91cf\u4e0d\u7528\u6216\u8005\u5c11\u7528\u5168\u5c40\u53d8\u91cf\uff0c\u4e14\u5168\u5c40\u53d8\u91cf\u4e0d\u80fd\u4f5c\u4e3a\u5bf9\u5916\u7684\u63a5\u53e3\u4f7f\u7528\u3002<\/h4>\n\n\n\n
    \u5168\u5c40\u53d8\u91cf\u53ef\u4ee5\u8ba4\u4e3a\u662f\u6a21\u5757\u7684\u79c1\u6709\u6570\u636e\uff0c\u5728\u5355\u4e2a\u6587\u4ef6\u5185\u5b9a\u4e49\u5168\u5c40\u53d8\u91cf\u65f6\u4f7f\u7528static\u4fee\u9970<\/strong>\uff0c\u4ee5\u9632\u6b62\u5916\u90e8\u6587\u4ef6\u7684\u975e\u6b63\u5e38\u8bbf\u95ee\u3002<\/p>\n\n\n\n
    \u786e\u5b9e\u9700\u8981\u5916\u90e8\u64cd\u4f5c\u5168\u5c40\u53d8\u91cf\u65f6\uff0c\u5e94\u63d0\u4f9b\u63a5\u53e3\u51fd\u6570\u6765\u8bbe\u7f6e\u3001\u83b7\u53d6\uff0c\u540c\u65f6\u8981\u6ce8\u610f\u5168\u5c40\u6570\u636e\u7684\u8bbf\u95ee<\/strong>\u4e92\u65a5<\/strong>\u3002<\/p>\n\n\n\n
    3.2.4 \u6240\u6709\u53d8\u91cf\u5728\u4f7f\u7528\u524d\u90fd\u5fc5\u987b\u521d\u59cb\u5316\uff0c\u4e25\u7981\u4f7f\u7528\u672a\u7ecf\u521d\u59cb\u5316\u7684\u53d8\u91cf\u4f5c\u4e3a\u53f3\u503c\u3002<\/h4>\n\n\n\n
    \u6839\u636eISO C \u6807\u51c6\uff0cstatic\u4fee\u9970\u7684\u53d8\u91cf\u7f3a\u7701\u5730\u88ab\u81ea\u52a8\u8d4b\u4e88\u96f6\u503c\uff0c\u9664\u975e\u7ecf\u8fc7\u4e86\u663e\u5f0f\u7684\u521d\u59cb\u5316\u3002\u5b9e\u9645\u4e2d\uff0c\u4e00\u4e9b\u5d4c\u5165\u5f0f\u73af\u5883\u6ca1\u6709\u5b9e\u73b0\u8fd9\u6837\u7684\u7f3a\u7701\u884c\u4e3a\uff0c\u56e0\u6b64\u4e0d\u8bba\u5168\u5c40\u53d8\u91cf\u6216\u5c40\u90e8\u53d8\u91cf\u90fd\u5e94\u521d\u59cb\u5316\u540e\u518d\u4f7f\u7528\u3002<\/p>\n\n\n\n
    #define DATA_BUF_SIZE 10\n \nstatic uint8_t g_data_buf[DATA_BUF_SIZE] = { 0 }; \/* good *\/\n \nuint8_t get_data_num(void)\n{\n    uint8_t num = 0; \/* good *\/\n \n    uint8_t index;   \/* bad *\/\n    while (index < DATA_BUF_SIZE) {\n        if (g_data_buf[index] > 0) {\n            num++;\n        }\n        index++;\n    }\n    \n    return num;\n}\n \nvoid set_data_buf(uint8_t index, uint8_t data)\n{\n    if (index >= DATA_BUF_SIZE) {\n        return;\n    }\n \n    uint8_t temp = 0;         \/* not good *\/\n    temp = g_data_buf[index]; \/* uint8_t temp = g_data_buf[index]; ok *\/\n    if (data > temp) {\n        temp = data - temp;\n    }\n    g_data_buf[index] = temp;\n    \n    return;\n}<\/pre>\n\n\n\n
    3.2.5 \u660e\u786e\u5168\u5c40\u53d8\u91cf\u7684\u521d\u59cb\u5316\u987a\u5e8f\uff0c\u5c3d\u91cf\u907f\u514d\u8de8\u6a21\u5757\u7684\u521d\u59cb\u5316\u4f9d\u8d56\uff0c\u786e\u5b9e\u6709\u4f9d\u8d56\u65f6\u8981\u4fdd\u8bc1\u6b63\u786e\u7684\u65f6\u5e8f\u5173\u7cfb\u3002<\/h4>\n\n\n\n
    \u4f8b\u5982\u7cfb\u7edf\u521d\u4e0a\u7535\u65f6\uff0c\u4e1a\u52a1\u6a21\u5757\u7684\u5168\u5c40\u53d8\u91cf\u4f9d\u8d56\u6587\u4ef6\u6a21\u5757\u4eceflash\u8bfb\u53d6\u7684\u6570\u636e\u8fdb\u884c\u521d\u59cb\u5316\uff0c\u5219\u5728\u4f7f\u7528\u4e1a\u52a1\u6a21\u5757\u5168\u5c40\u53d8\u91cf\u524d\u5fc5\u987b\u4fdd\u8bc1\u6587\u4ef6\u6a21\u5757\u8bfb\u53d6\u5b8c\u6210\u3002<\/p>\n\n\n\n
    3.2.6 \u5e94\u4f7f\u7528\u5927\u62ec\u53f7\u4ee5\u6307\u793a\u548c\u5339\u914d\u6570\u7ec4\u53ca\u7ed3\u6784\u4f53\u7684\u975e0\u521d\u59cb\u5316\uff1b\u521d\u59cb\u5316\u4e3a0\u6216NULL\u65f6\uff0c\u53ea\u7528\u4e00\u5c42\u5927\u62ec\u53f7\u5373\u53ef\u3002<\/h4>\n\n\n\n
    ISO C \u8981\u6c42\u6570\u7ec4\u3001\u7ed3\u6784\u4f53\u548c\u5171\u7528\u4f53\u7684\u521d\u59cb\u5316\u5217\u8868\u8981\u4ee5\u4e00\u5bf9\u5927\u62ec\u53f7\u62ec\u8d77\u6765\uff08\u5c3d\u7ba1\u4e0d\u8fd9\u6837\u505a\u7684\u884c\u4e3a\u662f\u672a\u5b9a\u4e49\u7684\uff09\u3002\u672c\u89c4\u5219\u66f4\u8fdb\u4e00\u6b65\u5730\u8981\u6c42\uff0c\u4f7f\u7528\u9644\u52a0\u7684\u5927\u62ec\u53f7\u6765\u6307\u793a\u5d4c\u5957\u7684\u7ed3\u6784\uff0c\u8feb\u4f7f\u7a0b\u5e8f\u5458\u663e\u5f0f\u5730\u8003\u8651\u548c\u63cf\u8ff0\u590d\u6742\u6570\u636e\u7c7b\u578b\u5143\u7d20\u7684\u521d\u59cb\u5316\u6b21\u5e8f\u3002<\/p>\n\n\n\n
    int16_t arr1[2][2] = { 1, 2, 3, 4 };         \/* bad *\/\nint16_t arr2[2][2] = { { 1, 2 }, { 3, 4 } }; \/* good *\/\nint16_t arr3[2][2] = {0};                  \/* ok *\/<\/pre>\n\n\n\n
    3.2.7 \u7ed3\u6784\u529f\u80fd\u5355\u4e00\uff0c\u4e0d\u8981\u8bbe\u8ba1\u9762\u9762\u4ff1\u5230\u7684\u6570\u636e\u7ed3\u6784\u3002<\/p>\n\n\n\n
    \u7ed3\u6784\u7684\u5b9a\u4e49\u5e94\u8be5\u53ef\u4ee5\u660e\u786e\u7684\u63cf\u8ff0\u4e00\u4e2a\u5bf9\u8c61\uff0c\u8bbe\u8ba1\u7ed3\u6784\u65f6\u5e94\u529b\u4e89\u4f7f\u7ed3\u6784\u4ee3\u8868\u4e00\u79cd\u73b0\u5b9e\u4e8b\u52a1\u7684\u62bd\u8c61\uff0c\u800c\u4e0d\u662f\u540c\u65f6\u4ee3\u8868\u591a\u79cd\u3002\u7ed3\u6784\u4e2d\u7684\u5404\u5143\u7d20\u5e94\u4ee3\u8868\u540c\u4e00\u4e8b\u52a1\u7684\u4e0d\u540c\u4fa7\u9762\uff0c\u800c\u4e0d\u5e94\u628a\u63cf\u8ff0\u6ca1\u6709\u5173\u7cfb\u6216\u5173\u7cfb\u5f88\u5f31\u7684\u4e0d\u540c\u4e8b\u52a1\u7684\u5143\u7d20\u653e\u5230\u540c\u4e00\u7ed3\u6784\u4e2d\u3002<\/p>\n\n\n\n
    3.2.8 \u901a\u4fe1\u8fc7\u7a0b\u4e2d\u4f7f\u7528\u7684\u7ed3\u6784\uff0c\u5fc5\u987b\u6ce8\u610f\u5b57\u8282\u5e8f\u3002<\/p>\n\n\n\n
    \u5904\u7406\u5668\u5927\u5c0f\u7aef\u3001\u4f4d\u6570\u4e0d\u540c\uff0c\u6570\u636e\u7ed3\u6784\u7684\u5b57\u8282\u5e8f\u5dee\u522b\u4f1a\u5f88\u5927\uff0c\u6240\u4ee5\u8de8\u5e73\u53f0\u6570\u636e\u4ea4\u4e92\u524d\uff0c\u90fd\u5e94\u8fdb\u884c\u5fc5\u8981\u7684\u5b57\u8282\u5e8f\u8f6c\u6362\u4ee5\u7b26\u5408\u901a\u4fe1\u8981\u6c42\u3002<\/p>\n\n\n\n
    4 \u5b8f\u548c\u5e38\u91cf<\/h2>\n\n\n\n
    4.1 \u5b8f\u5b9a\u4e49<\/h3>\n\n\n\n
    4.1.1 \u5e94\u5c3d\u53ef\u80fd\u4f7f\u7528\u51fd\u6570\u4ee3\u66ff\u5b8f\uff0c\u51cf\u5c11\u7528\u5b8f\u5b9a\u4e49\u8868\u8fbe\u5f0f\u3002<\/h4>\n\n\n\n
    \u5b8f\u5bf9\u6bd4\u51fd\u6570\uff0c\u6709\u4e00\u4e9b\u660e\u663e\u7684\u7f3a\u70b9\uff1a<\/p>\n\n\n\n
      \n
    • \u5b8f\u7f3a\u4e4f\u7c7b\u578b\u68c0\u67e5\uff0c\u4e0d\u5982\u51fd\u6570\u8c03\u7528\u68c0\u67e5\u4e25\u683c<\/li>\n\n\n\n
    • \u5b8f\u5f62\u5f0f\u7684\u4ee3\u7801\u96be\u4ee5\u6253\u65ad\u70b9\u8c03\u8bd5\uff0c\u4e0d\u5229\u4e8e\u5b9a\u4f4d\u95ee\u9898<\/li>\n\n\n\n
    • \u5b8f\u5982\u679c\u8c03\u7528\u7684\u5f88\u591a\uff0c\u4f1a\u9020\u6210\u4ee3\u7801\u7a7a\u95f4\u7684\u6d6a\u8d39\uff0c\u4e0d\u5982\u51fd\u6570\u7a7a\u95f4\u6548\u7387\u9ad8<\/li>\n\n\n\n
    • \u5b8f\u5c55\u5f00\u540e\u53ef\u80fd\u4f1a\u4ea7\u751f\u610f\u60f3\u4e0d\u5230\u7684\u526f\u4f5c\u7528<\/li>\n<\/ul>\n\n\n\n
      #define SQUARE(a) (a) * (a)\nSQUARE(i++); \/* \u5c55\u5f00\u540e (i++) * (i++) i\u88ab\u52a0\u4e24\u6b21*\/\n \nuint32_t square(uint16_t a) \n{\n    uint32_t result = a * a; \n \n    return result; \n}\nsquare(i++); \/* i\u53ea\u52a0\u4e00\u6b21*\/<\/pre>\n\n\n\n
      4.1.2 \u786e\u5b9e\u9700\u8981\u7528\u5b8f\u5b9a\u4e49\u8868\u8fbe\u5f0f\u65f6\uff0c\u8981\u4f7f\u7528\u5b8c\u5907\u7684\u62ec\u53f7\uff0c\u5e76\u4e14\u4e0d\u5141\u8bb8\u53c2\u6570\u53d1\u751f\u53d8\u5316\u3002<\/h4>\n\n\n\n
      #define SUM(a, b) a + b       \/* bad *\/\n#define SUM(a, b) (a + b)     \/* bad *\/\n#define SUM(a, b) (a) + (b)   \/* bad *\/\n \n#define SUM(a, b) ((a) + (b)) \/* ok *\/<\/pre>\n\n\n\n
      4.1.3 \u5b8f\u5b9a\u4e49\u6709\u591a\u6761\u8bed\u53e5\u65f6\u8981\u653e\u5728\u5927\u62ec\u53f7\u4e2d\uff0c\u6700\u591a\u4e0d\u8d85\u8fc710\u884c\uff0c\u4e0d\u5141\u8bb8\u4f7f\u7528 return\u3001goto\u3001continue\u3001break\u7b49\u6539\u53d8\u7a0b\u5e8f\u6d41\u7a0b\u7684\u8bed\u53e5\u3002<\/h4>\n\n\n\n
      #define CHECK_PARA_VALID(para) {if (para == NULL) {return ret;}} \/* bad *\/<\/pre>\n\n\n\n
      4.1.3 \u5b8f\u5b9a\u4e49\u672b\u5c3e\u4e0d\u8981\u8ddf\u5206\u53f7\u201c;\u201d\u3002<\/h4>\n\n\n\n
      \u5206\u53f7\u4e0d\u662f\u5b8f\u5b9a\u4e49\u7684\u5fc5\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u5982\u679c\u5b8f\u5b9a\u4e49\u672b\u5c3e\u8ddf\u4e86\u5206\u53f7\uff0c\u8c03\u7528\u5b8f\u65f6\u4e0d\u5199\u5206\u53f7\u4e0d\u7b26\u5408\u4e00\u822cC\u8bed\u53e5\u7684\u4e66\u5199\u4e60\u60ef\uff0c\u5199\u5206\u53f7\u5219\u91cd\u590d\uff0c\u66f4\u8981\u547d\u7684\u662f\u6709\u4e9b\u60c5\u51b5\u4e0b\u8fd8\u4f1a\u5bfc\u81f4\u8bed\u6cd5\u9519\u8bef\u3002<\/p>\n\n\n\n
      #define SUM(a, b) ((a) + (b)); \/* bad *\/\n \nuint8_t v1 = 1;\nuint8_t v2 = 2;\nuint8_t v3 = 3;\nuint8_t v4 = 4;\nuint8_t result = SUM(v1, v2) + SUM(v3, v4); \/* error ((1) + (2)); + ((3) + (4)); *\/<\/pre>\n\n\n\n
      4.1.4 \u4e0d\u5141\u8bb8\u4f7f\u7528#undef\u3002<\/h4>\n\n\n\n
      \u4f7f\u7528#undef\u4f1a\u4f7f\u5b8f\u7684\u5b58\u5728\u6216\u542b\u4e49\u4ea7\u751f\u6df7\u4e71\u3002<\/p>\n\n\n\n
      4.2 \u5e38\u91cf<\/h3>\n\n\n\n
      4.2.1 \u5e38\u91cf\u4f7f\u7528\u5341\u8fdb\u5236\u6216\u5341\u516d\u8fdb\u5236\u8868\u793a\uff0c\u7981\u6b62\u4f7f\u7528\u516b\u8fdb\u5236\u5e38\u91cf\u3002<\/h4>\n\n\n\n
      #define BUF_MAX_SIZE 100                      \/* ok *\/\nstatic uint8_t g_buf_len = 0;                 \/* ok *\/\nstatic uint8_t g_buf[BUF_MAX_SIZE]= { 0x00 }; \/* ok *\/\nstatic uint8_t g_buf_index = 01;              \/* bad *\/<\/pre>\n\n\n\n
      4.2.2 \u4e0d\u5141\u8bb8\u76f4\u63a5\u4f7f\u7528\u9b54\u9b3c\u6570\u5b57\u3002<\/h4>\n\n\n\n
      uint8_t month = 12; \/* December or 12 months ? *\/<\/pre>\n\n\n\n
      \u6240\u8c13\u9b54\u9b3c\u6570\u5b57\u662f\u6307\u7a0b\u5e8f\u4e2d\u51fa\u73b0\u7684\u96be\u4ee5\u7406\u89e3\u7684\u6570\u5b57\u3002\u9b54\u9b3c\u6570\u5b57\u9664\u4e86\u4f7f\u4ee3\u7801\u96be\u4ee5\u7406\u89e3\u5916\uff0c\u5982\u679c\u8fd9\u4e2a\u6570\u5b57\u5728\u7a0b\u5e8f\u4e2d\u591a\u5904\u4f7f\u7528\uff0c\u5f88\u96be\u7edf\u4e00\u4fee\u6539\u3002\u56e0\u6b64\uff1a<\/p>\n\n\n\n
        \n
      • \u591a\u5904\u4f7f\u7528\u7684\u6570\u5b57\uff0c\u5fc5\u987b\u5b9a\u4e49const\u5168\u5c40\u53d8\u91cf\u6216\u5b8f\uff0c\u53d8\u91cf\u540d\u6216\u5b8f\u547d\u540d\u5e94\u5f53\u81ea\u6ce8\u91ca\u6570\u5b57\u7684\u610f\u4e49<\/li>\n\n\n\n
      • \u96c6\u4e2d\u5728\u5c40\u90e8\u4f7f\u7528\u7684\u6570\u5b57\uff0c\u53ef\u4ee5\u5728\u4ee3\u7801\u5468\u56f4\u589e\u52a0\u8bf4\u660e\u6ce8\u91ca\uff0c\u4e5f\u53ef\u4ee5\u5b9a\u4e49\u5c40\u90e8const\u53d8\u91cf\uff0c\u53d8\u91cf\u547d\u540d\u81ea\u6ce8\u91ca<\/li>\n\n\n\n
      • 0\u4f5c\u4e3a\u4e00\u4e2a\u7279\u6b8a\u7684\u6570\u5b57\uff0c\u4f5c\u4e3a\u4e00\u822c\u9ed8\u8ba4\u503c\u4f7f\u7528\u6ca1\u6709\u6b67\u4e49\u65f6\u4e0d\u7528\u7279\u522b\u5b9a\u4e49<\/li>\n<\/ul>\n\n\n\n
        4.2.3 \u5728\u679a\u4e3e\u5217\u8868\u4e2d\uff0c\u201c=\u201d\u4e0d\u80fd\u663e\u5f0f\u7528\u4e8e\u9664\u9996\u5143\u7d20\u4e4b\u5916\u7684\u5143\u7d20\u4e0a\uff0c\u9664\u975e\u6240\u6709\u7684\u5143\u7d20\u90fd\u662f\u663e\u5f0f\u521d\u59cb\u5316\u7684\u3002<\/p>\n\n\n\n
        \/* ok *\/\ntypedef enum {\n    MONDAY = 1,\n    TUESDAY,\n    WEDNESDAY,\n    THURSDAY,\n    FRIDAY,   \n} week_t;\n \n\/* bad *\/\ntypedef enum {\n    MONDAY,\n    TUESDAY = 2,\n    WEDNESDAY = 3,\n    THURSDAY,\n    FRIDAY,   \n} week_t;<\/pre>\n\n\n\n
        5 \u51fd\u6570<\/h2>\n\n\n\n
        \u51fd\u6570\u8bbe\u8ba1\u8981\u6c42\u4ee3\u7801\u7b80\u5355\u76f4\u63a5\uff0c\u7528\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784\u548c\u76f4\u622a\u4e86\u5f53\u7684\u63a7\u5236\u8bed\u53e5\u5c06\u51fd\u6570\u6709\u673a\u7684\u7ec4\u7ec7\u8d77\u6765\u3002<\/p>\n\n\n\n
        5.1 \u51fd\u6570\u4f53<\/h3>\n\n\n\n
        5.1.1 \u51fd\u6570\u529f\u80fd\u8981\u5355\u4e00\uff0c\u5373\u4e00\u4e2a\u51fd\u6570\u53ea\u5b9e\u73b0\u4e00\u4e2a\u529f\u80fd\u3002<\/h4>\n\n\n\n
        \u4e00\u4e2a\u51fd\u6570\u5b9e\u73b0\u591a\u4e2a\u529f\u80fd\u7ed9\u5f00\u53d1\u3001\u4f7f\u7528\u3001\u7ef4\u62a4\u90fd\u5e26\u6765\u5f88\u5927\u7684\u56f0\u96be\u3002\u5c06\u6ca1\u6709\u5173\u8054\u6216\u8005\u5173\u8054\u5f88\u5f31\u7684\u8bed\u53e5\u653e\u5230\u540c\u4e00\u51fd\u6570\u4e2d\uff0c\u4f1a\u5bfc\u81f4\u51fd\u6570\u804c\u8d23\u4e0d\u660e\u786e\uff0c\u96be\u4ee5\u7406\u89e3\uff0c\u96be\u4ee5\u6d4b\u8bd5\u548c\u6539\u52a8\u3002<\/p>\n\n\n\n
        5.1.2 \u91cd\u590d\u4ee3\u7801\u5e94\u8be5\u5c3d\u53ef\u80fd\u63d0\u70bc\u6210\u51fd\u6570\u3002<\/h4>\n\n\n\n
        \u91cd\u590d\u4ee3\u7801\u63d0\u70bc\u6210\u51fd\u6570\u53ef\u4ee5\u964d\u4f4e\u7ef4\u62a4\u6210\u672c\u548c\u8d44\u6e90\u6d88\u8017\uff0c\u5e76\u63d0\u9ad8\u4ee3\u7801\u7684\u590d\u7528\u6027\u3002<\/p>\n\n\n\n
        5.1.3 \u4e3a\u4e86\u51fd\u6570\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\uff0c\u5e94\u907f\u514d\u51fd\u6570\u8fc7\u957f\uff0c\u6709\u6548\u4ee3\u7801\u884c\u6570\u4e00\u822c\u4e0d\u8d85\u8fc7 50 \u884c\uff0c\u5bf9\u4e8e\u903b\u8f91\u8054\u7cfb\u7279\u522b\u7d27\u5bc6\u6216\u5c42\u6b21\u6e05\u6670\u7684\u53ef\u653e\u5bbd\u81f3100\u884c\u3002<\/h4>\n\n\n\n
          \n
        • \u8fc7\u957f\u7684\u51fd\u6570\u5f80\u5f80\u610f\u5473\u7740\u51fd\u6570\u529f\u80fd\u4e0d\u5355\u4e00\uff0c\u5e94\u8be5\u8003\u8651\u91cd\u65b0\u8bbe\u8ba1\u51fd\u6570\u7ed3\u6784\uff0c\u4f7f\u529f\u80fd\u5185\u805a\u884c\u6570\u51cf\u5c11\u3002<\/li>\n\n\n\n
        • \u6709\u6548\u4ee3\u7801\u884c\u6307\u975e\u7a7a\u975e\u6ce8\u91ca\u7684\u4ee3\u7801\u884c\u3002<\/li>\n\n\n\n
        • \u9650\u5236\u51fd\u6570\u884c\u6570\u76ee\u7684\u5728\u4e8e\u63d0\u5347\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff0c\u4f46\u6709\u4e9b\u573a\u666f\u4e0b\u4ee3\u7801\u5185\u5728\u903b\u8f91\u8054\u7cfb\u7279\u522b\u7d27\u5bc6\u6216\u5c42\u6b21\u7b80\u5355\uff0c\u62c6\u5f00\u53cd\u800c\u5f71\u54cd\u7406\u89e3\uff0c\u56e0\u800c\u53ef\u4ee5\u653e\u5bbd\u884c\u6570\u9650\u5236\uff0c\u4e0d\u8981\u201c\u4e3a\u62c6\u800c\u62c6\u201d<\/strong>\u3002<\/li>\n<\/ul>\n\n\n\n
          5.1.4 \u4e3a\u907f\u514d\u51fd\u6570\u7684\u4ee3\u7801\u5757\u5d4c\u5957\u8fc7\u6df1\uff0c\u51fd\u6570\u7684\u4ee3\u7801\u5757\u5d4c\u5957\u4e0d\u8d85\u8fc74\u5c42\u3002<\/h4>\n\n\n\n
          \u51fd\u6570\u7684\u4ee3\u7801\u5757\u5d4c\u5957\u6df1\u5ea6\u6307\u7684\u662f\u51fd\u6570\u4e2d\u7684\u4ee3\u7801\u63a7\u5236\u5757\uff08\u4f8b\u5982\uff1aif\u3001for\u3001while\u3001switch\u7b49\uff09\u4e4b\u95f4\u4e92\u76f8\u5305\u542b\u7684\u6df1\u5ea6\u3002\u6bcf\u7ea7\u5d4c\u5957\u90fd\u4f1a\u589e\u52a0\u9605\u8bfb\u4ee3\u7801\u65f6\u7684\u8111\u529b\u6d88\u8017\uff0c\u56e0\u4e3a\u9700\u8981\u5728\u8111\u5b50\u91cc\u7ef4\u62a4\u4e00\u4e2a\u201c\u6808\u201d\u3002\u5e94\u5f53\u4f18\u5148\u4f7f\u7528\u536b\u8bed\u53e5\uff0c\u5728\u4e0d\u6ee1\u8db3\u6761\u4ef6\u65f6\u76f4\u63a5\u9000\u51fa\u51fd\u6570\u5b9e\u73b0\u201c\u77ed\u8def\u201d\u64cd\u4f5c\uff0c\u4ee5\u51cf\u5c11\u4ee3\u7801\u7684\u5d4c\u5957\u5c42\u7ea7\u3002<\/p>\n\n\n\n
          \/* bad *\/\nvoid usart1_irq_handler(void)\n{\n    uint8_t res;\n    if (USART1->SR) {\n        res = USART1->DR;\n        if ((USART_RX_STA & 0x8000) == 0) {\n            if ((USART_RX_STA & 0x4000) == 0) {\n                if (res == 0x0d) {\n                    USART_RX_STA |= 0x4000;\n                } else {\n                    if (USART_RX_STA > (USART_REC_LEN - 1)) {\n                        USART_RX_STA = 0; \/* 5\u5c42\u5d4c\u5957 *\/\n                    }\n                }\n            }\n        }\n    }\n}\n \n\/* ok *\/\nvoid usart2_irq_handler(void)\n{\n    uint8_t res;\n    if (!USART2->SR) {\n        return;\n    }\n    res = USART2->DR;\n    if (((USART_RX_STA & 0x8000) != 0) || ((USART_RX_STA & 0x4000) != 0)) {\n        return;\n    }\n    if (res == 0x0d) {\n        USART_RX_STA |= 0x4000;\n    } else {\n        if (USART_RX_STA > (USART_REC_LEN - 1)) {\n            USART_RX_STA = 0;\n        }\n    }\n}<\/pre>\n\n\n\n
          5.1.5 \u5728\u6e90\u6587\u4ef6\u8303\u56f4\u5185\u58f0\u660e\u548c\u5b9a\u4e49\u7684\u6240\u6709\u51fd\u6570\uff0c\u9664\u975e\u5916\u90e8\u53ef\u89c1\uff0c\u5426\u5219\u90fd\u5e94\u4f7f\u7528static\u4fee\u9970\u3002<\/h4>\n\n\n\n
          \u5982\u679c\u4e00\u4e2a\u51fd\u6570\u53ea\u662f\u5728\u540c\u4e00\u6587\u4ef6\u5185\u8c03\u7528\uff0c\u90a3\u4e48\u5c31\u7528static\u4fee\u9970\uff0c\u907f\u514d\u548c\u5176\u4ed6\u6587\u4ef6\u4e2d\u7684\u76f8\u540c\u6807\u8bc6\u7b26\u53d1\u751f\u6df7\u6dc6\u3002<\/p>\n\n\n\n
          5.1.6 \u975e\u8c03\u5ea6\u51fd\u6570\u5e94\u907f\u514d\u4f7f\u7528\u5171\u4eab\u53d8\u91cf\uff0c\u4e0d\u53ef\u907f\u514d\u7684\u5730\u65b9\u5e94\u96c6\u4e2d\u4f7f\u7528\uff1b\u53ef\u91cd\u5165\u51fd\u6570\u5e94\u907f\u514d\u4f7f\u7528\u5171\u4eab\u53d8\u91cf\uff0c\u82e5\u786e\u5b9e\u9700\u8981\u4f7f\u7528\uff0c\u5219\u5e94\u901a\u8fc7\u4e92\u65a5\u624b\u6bb5\uff08\u5173\u4e2d\u65ad\u3001\u4fe1\u53f7\u91cf\uff09\u5bf9\u5176\u52a0\u4ee5\u4fdd\u62a4\u3002<\/h4>\n\n\n\n
          \u8c03\u5ea6\u51fd\u6570\u662f\u6307\u6839\u636e\u8f93\u5165\u7684\u6d88\u606f\u6216\u547d\u4ee4\uff0c\u542f\u52a8\u76f8\u5e94\u7684\u51fd\u6570\u6216\u8fc7\u7a0b\uff0c\u800c\u672c\u8eab\u5e76\u4e0d\u5b8c\u6210\u5177\u4f53\u529f\u80fd\u7684\u51fd\u6570\u3002<\/p>\n\n\n\n
          \u53ef\u91cd\u5165\u51fd\u6570\u662f\u6307\u53ef\u80fd\u88ab\u591a\u4e2a\u4efb\u52a1\u5e76\u53d1\u8c03\u7528\u7684\u51fd\u6570\u3002\u5728\u591a\u4efb\u52a1\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u51fd\u6570\u5177\u6709\u53ef\u91cd\u5165\u6027\u662f\u591a\u4e2a\u4efb\u52a1\u53ef\u4ee5\u5171\u7528\u6b64\u51fd\u6570\u7684\u5fc5\u8981\u6761\u4ef6\u3002<\/p>\n\n\n\n
          \u5171\u4eab\u53d8\u91cf\u6307\u7684\u5168\u5c40\u53d8\u91cf\u548cstatic\u53d8\u91cf\u3002<\/p>\n\n\n\n
          \u529f\u80fd\u51fd\u6570\u5e94\u5c3d\u91cf\u901a\u8fc7\u64cd\u4f5c\u53c2\u6570\u6216\u5c40\u90e8\u53d8\u91cf\u6765\u5b9e\u73b0\u5177\u4f53\u529f\u80fd\uff0c\u5404\u4e2a\u4efb\u52a1\u4f1a\u7ef4\u62a4\u81ea\u5df1\u7684\u6808\u7a7a\u95f4\uff0c\u6570\u636e\u4e0d\u4f1a\u5f7c\u6b64\u5f71\u54cd\u3002<\/p>\n\n\n\n
          5.2 \u53c2\u6570\u548c\u8fd4\u56de\u503c<\/h3>\n\n\n\n
          5.2.1 \u6a21\u5757\u63a5\u53e3\u51fd\u6570\u8981\u5bf9\u5165\u53c2\u7684\u5408\u6cd5\u6027\u505a\u5168\u9762\u68c0\u67e5\uff0c\u6a21\u5757\u5185\u90e8\u4f7f\u7528\u7684\u51fd\u6570\u5bf9\u5165\u53c2\u7684\u5408\u6cd5\u6027\u505a\u5b89\u5168\u68c0\u67e5\u5373\u53ef\u3002<\/h4>\n\n\n\n
          \u4f9b\u5916\u90e8\u8c03\u7528\u7684\u63a5\u53e3\u51fd\u6570\uff0c\u5176\u5165\u53c2\u662f\u4e0d\u53ef\u4fe1\u7684\uff0c\u9700\u8981\u5bf9\u53c2\u6570\u505a\u5168\u9762\u7684\u68c0\u67e5\u4fdd\u8bc1\u6570\u636e\u6709\u6548\u5e76\u7b26\u5408\u53d6\u503c\u8303\u56f4\u3002<\/p>\n\n\n\n
          \u6a21\u5757\u5185\u90e8\u4f7f\u7528\u7684\u51fd\u6570\u5165\u53c2\u4e00\u822c\u5df2\u7ecf\u8fc7\u6ee4\uff0c\u901a\u5e38\u8ba4\u4e3a\u662f\u53ef\u4fe1\u7684\uff0c\u8fc7\u5ea6\u7684\u53c2\u6570\u68c0\u67e5\u4f1a\u9020\u6210\u5927\u91cf\u5197\u4f59\u4ee3\u7801\uff0c\u56e0\u6b64\u53ea\u8981\u5728\u4f7f\u7528\u524d\u5224\u65ad\u6307\u9488\u4e0d\u4e3a\u7a7a\u3001\u9664\u6570\u4e0d\u4e3a\u96f6\u7b49\u5b89\u5168\u6761\u4ef6\u5373\u53ef\u3002<\/p>\n\n\n\n
          5.2.2 \u51fd\u6570\u7684\u4e0d\u53d8\u53c2\u6570\u4f7f\u7528const \u4fee\u9970\u3002<\/h4>\n\n\n\n
          \u4f7f\u7528const\u4fee\u9970\u4e0d\u53d8\u7684\u5165\u53c2\uff0c\u5728\u7f16\u8bd1\u65f6\u4f1a\u5bf9\u5176\u8fdb\u884c\u68c0\u67e5\uff0c\u907f\u514d\u51fd\u6570\u5185\u90e8\u8bef\u64cd\u4f5c\u5bfc\u81f4\u7684\u9519\u8bef\uff0c\u4f7f\u4ee3\u7801\u66f4\u5b89\u5168\u3002<\/p>\n\n\n\n
          void* memcpy(char *strDest, const char strSrc, int Count); \/ good *\/<\/pre>\n\n\n\n
          5.2.3 \u51fd\u6570\u7684\u53c2\u6570\u4e2a\u6570\u6700\u591a\u4e0d\u8d85\u8fc75\u4e2a\uff0c\u53c2\u6570\u4e2d\u6709\u6570\u7ec4\u6307\u9488\u7684\uff0c\u4e00\u5b9a\u8981\u52a0\u6570\u7ec4\u957f\u5ea6\u7684\u53c2\u6570\u3002<\/h4>\n\n\n\n
          5.2.4 \u4e0d\u5e26\u53c2\u6570\u7684\u51fd\u6570\u5e94\u5f53\u58f0\u660e\u4e3avoid \u7c7b\u578b\u7684\u53c2\u6570\u3002<\/h4>\n\n\n\n
          int32_t hal_timer_init();     \/* bad *\/\nint32_t hal_timer_init(void); \/* good *\/<\/pre>\n\n\n\n
          5.2.5 \u51fd\u6570\u53c2\u6570\u5e94\u8be5\u4f7f\u7528\u786e\u5b9a\u7684\u7c7b\u578b\uff0c\u5c3d\u91cf\u907f\u514d\u4f7f\u7528\u901a\u7528\u7684void *\u7c7b\u578b\uff0c\u901a\u7528\u7c7b\u578b\u4e0d\u5229\u4e8e\u53c2\u6570\u68c0\u67e5\u3002<\/h4>\n\n\n\n
          5.2.6 \u51fd\u6570\u4e0d\u8981\u8c03\u7528\u53e6\u4e00\u4e2a\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u4f7f\u7528\uff0c\u8fd9\u4e0d\u5229\u4e8e\u4ee3\u7801\u9605\u8bfb\u548c\u8c03\u8bd5\u3002<\/h4>\n\n\n\n
          func1(func2(), func3()); \/* bad *\/<\/pre>\n\n\n\n
          5.2.7 \u9664\u5177\u6709\u6253\u5370\u529f\u80fd\u7684\u51fd\u6570\u5916\uff0c\u4e0d\u5f97\u5b9a\u4e49\u53d8\u53c2\u51fd\u6570\u3002<\/h4>\n\n\n\n
          \u53d8\u53c2\u5b58\u5728\u8bb8\u591a\u6f5c\u5728\u7684\u95ee\u9898\uff0c\u4ec5\u5141\u8bb8\u5728\u6253\u5370\u65e5\u5fd7\u76f8\u5173\u7684\u51fd\u6570\u4e2d\u4f7f\u7528stdarg.h\u3001va_arg\u3001va_start \u548cva_end\u3002<\/p>\n\n\n\n
          5.2.8 \u9664\u7279\u5b9a\u7684\u7b97\u6cd5\u51fd\u6570\u5916\uff0c\u7981\u6b62\u51fd\u6570\u9012\u5f52\u8c03\u7528\uff0c\u4f7f\u7528\u9012\u5f52\u65f6\u8981\u6709\u786e\u5b9a\u9000\u51fa\u6761\u4ef6\u3002<\/h4>\n\n\n\n
          5.2.9 void \u8fd4\u56de\u7c7b\u578b\u7684\u51fd\u6570\u4e5f\u9700\u8981\u663e\u5f0f\u7684return \u8bed\u53e5\uff0c\u4ee5\u8868\u660e\u51fd\u6570\u7ed3\u675f\u3002<\/h4>\n\n\n\n
          void hal_adc_init(void)\n{\n    \/* code *\/\n    return;\n}<\/pre>\n\n\n\n
          5.2.10 \u5bf9\u51fd\u6570\u7684\u9519\u8bef\u7801\u505a\u5168\u9762\u5904\u7406\u3002<\/h4>\n\n\n\n
          \u4e00\u4e2a\u51fd\u6570\uff08\u6807\u51c6\u5e93\u4e2d\u7684\u51fd\u6570\/\u7b2c\u4e09\u65b9\u5e93\u51fd\u6570\/\u7528\u6237\u5b9a\u4e49\u7684\u51fd\u6570\uff09\u80fd\u591f\u63d0\u4f9b\u4e00\u4e9b\u6307\u793a\u9519\u8bef\u53d1\u751f\u7684\u65b9\u6cd5\u3002\u53ef\u4ee5\u662f\u9519\u8bef\u6807\u8bb0\u53d8\u91cf\u3001\u7279\u6b8a\u7684\u8fd4\u56de\u503c\u6216\u8005\u5176\u4ed6\u624b\u6bb5\uff0c\u53ea\u8981\u51fd\u6570\u63d0\u4f9b\u4e86\u8fd9\u6837\u7684\u673a\u5236\uff0c\u8c03\u7528\u7a0b\u5e8f\u90fd\u5e94\u8be5\u5728\u51fd\u6570\u8fd4\u56de\u65f6\u7acb\u523b\u68c0\u67e5\u9519\u8bef\u6307\u793a\u3002<\/p>\n\n\n\n
          6 \u8bed\u53e5\u548c\u8868\u8fbe\u5f0f<\/h2>\n\n\n\n
          6.1 \u8868\u8fbe\u5f0f<\/h3>\n\n\n\n
          6.1.1 \u7528\u62ec\u53f7\u660e\u786e\u8868\u8fbe\u5f0f\u7684\u64cd\u4f5c\u987a\u5e8f\uff0c\u907f\u514d\u8fc7\u5206\u4f9d\u8d56\u9ed8\u8ba4\u4f18\u5148\u7ea7\u3002<\/h4>\n\n\n\n
          \u4f7f\u7528\u62ec\u53f7\u5f3a\u8c03\u6240\u4f7f\u7528\u7684\u64cd\u4f5c\u7b26\uff0c\u9632\u6b62\u56e0\u9ed8\u8ba4\u7684\u4f18\u5148\u7ea7\u4e0e\u8bbe\u8ba1\u601d\u60f3\u4e0d\u7b26\u800c\u5bfc\u81f4\u7a0b\u5e8f\u51fa\u9519\uff0c\u7136\u800c\u8fc7\u591a\u7684\u62ec\u53f7\u4f1a\u5206\u6563\u4ee3\u7801\u964d\u4f4e\u53ef\u8bfb\u6027\uff0c\u56e0\u6b64\u4e0d\u8981\u5e76\u5217\u8fc7\u591a\u7684\u6761\u4ef6\u3002<\/p>\n\n\n\n
          6.1.2 \u7981\u6b62\u5728\u8868\u8fbe\u5f0f\u4e2d\u8fdb\u884c\u8d4b\u503c\u64cd\u4f5c\u53ca\u5176\u4ed6\u6709\u526f\u4f5c\u7528\u7684\u64cd\u4f5c\u3002<\/h4>\n\n\n\n
          uint8_t count = 0;\nif (count++ < 10) { \/* bad \/\n*    \/* code *\/\n}<\/pre>\n\n\n\n
          6.1.3 \u4e0d\u5141\u8bb8\u4f7f\u7528\u9017\u53f7\u8fd0\u7b97\u7b26\u3002<\/h4>\n\n\n\n
          \u4f7f\u7528\u9017\u53f7\u8fd0\u7b97\u7b26\u4f1a\u964d\u4f4e\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u65b9\u6cd5\u8fbe\u5230\u76f8\u540c\u7684\u6548\u679c\u3002<\/p>\n\n\n\n
          6.1.4 \u4e0d\u5141\u8bb8\u4f7f\u7528\u4e09\u76ee\u8fd0\u7b97\u7b26\u3002<\/h4>\n\n\n\n
          \u4e09\u76ee\u8fd0\u7b97\u7b26\u786e\u5b9e\u53ef\u4ee5\u5728\u5f62\u5f0f\u4e0a\u7b80\u5316\u4ee3\u7801\uff0c\u4f46\u5d4c\u5957\u4f7f\u7528\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u6076\u5316\uff0c\u800c\u4e14\u5176\u6267\u884c\u987a\u5e8f\u7531\u7f16\u8bd1\u5668\u51b3\u5b9a\uff0c\u5176\u8bed\u4e49\u53c8\u53ef\u4ee5\u7528if else \u8bed\u53e5\u66ff\u6362\uff0c\u6ca1\u5fc5\u8981\u4e3a\u4e86\u5355\u7eaf\u51cf\u5c11\u4ee3\u7801\u884c\u6570\u4f7f\u7528\u8be5\u8fd0\u7b97\u7b26\u3002<\/p>\n\n\n\n
          6.1.5 \u9664\u6570\u4e0d\u80fd\u4e3a\u96f6\uff1b\u6307\u9488\u53d8\u91cf\u4f7f\u7528\u524d\u8981NULL\u8fdb\u884c\u5224\u7a7a\uff1b\u65e0\u7b26\u53f7\u6570\u505a\u51cf\u6cd5\uff0c\u51cf\u6570\u4e0d\u80fd\u5927\u4e8e\u88ab\u51cf\u6570\u3002<\/h4>\n\n\n\n
          \u8fd9\u4e9b\u90fd\u662f\u5bfc\u81f4\u7a0b\u5e8f\u5f02\u5e38\u751a\u81f3\u6b7b\u673a\u7684\u9519\u8bef\uff0c\u5728\u7a0b\u5e8f\u4e2d\u4e00\u5b9a\u8981\u907f\u514d\u3002<\/p>\n\n\n\n
          6.1.6 \u9664\u975e\u64cd\u4f5c\u6570\u662f\u5e03\u5c14\u7c7b\u578b\uff0c\u5426\u5219\u5e94\u5f53\u663e\u793a\u7684\u8868\u660e\u8868\u8fbe\u5f0f\u7684\u5224\u65ad\u6761\u4ef6\u3002<\/h4>\n\n\n\n
          int32_t num = 0;\nif (num) { \/* bad \/\n*    \/* code *\/\n}\n \nif (num != 0) { \/* ok \/\n*    \/* code *\/\n}\n \nbool flag = flase;\nif (flag) { \/* ok \/\n*    \/* code *\/\n}<\/pre>\n\n\n\n
          6.1.7 \u6d6e\u70b9\u8868\u8fbe\u5f0f\u4e0d\u80fd\u505a\u76f8\u7b49\u6216\u4e0d\u7b49\u7684\u68c0\u6d4b\u3002<\/h4>\n\n\n\n
          \u8fd9\u662f\u6d6e\u70b9\u7c7b\u578b\u7684\u56fa\u6709\u7279\u6027\uff0c\u7b49\u503c\u6bd4\u8f83\u901a\u5e38\u4e0d\u4f1a\u8ba1\u7b97\u4e3atrue\u3002\u800c\u4e14\uff0c\u8fd9\u79cd\u6bd4\u8f83\u884c\u4e3a\u4e0d\u80fd\u5728\u6267\u884c\u524d\u505a\u51fa\u9884\u6d4b\uff0c\u5b83\u4f1a\u968f\u7740\u5b9e\u73b0\u7684\u6539\u53d8\u800c\u6539\u53d8\u3002<\/p>\n\n\n\n
          6.2 \u8bed\u53e5<\/h3>\n\n\n\n
          6.2.1 for \u8bed\u53e5\u7684\u4e09\u4e2a\u8868\u8fbe\u5f0f\u5e94\u8be5\u53ea\u5173\u6ce8\u5faa\u73af\u63a7\u5236\uff0c\u4e0d\u5e94\u8be5\u5b58\u5728\u5176\u4ed6\u526f\u64cd\u4f5c\u3002<\/h4>\n\n\n\n
          for \u8bed\u53e5\u7684\u4e09\u4e2a\u8868\u8fbe\u5f0f\u90fd\u5b58\u5728\u65f6\uff0c\u5b83\u4eec\u5e94\u8be5\u53ea\u7528\u4e8e\u5982\u4e0b\u76ee\u7684\uff1a<\/p>\n\n\n\n
            \n
          • \u7b2c\u4e00\u4e2a\u8868\u8fbe\u5f0f \u521d\u59cb\u5316\u5faa\u73af\u8ba1\u6570\u5668<\/li>\n\n\n\n
          • \u7b2c\u4e8c\u4e2a\u8868\u8fbe\u5f0f \u5bf9\u5faa\u73af\u8ba1\u6570\u5668\u548c\u5176\u4ed6\u503c\u7684\u6bd4\u8f83<\/li>\n\n\n\n
          • \u7b2c\u4e09\u4e2a\u8868\u8fbe\u5f0f \u5faa\u73af\u8ba1\u6570\u5668\u9012\u589e\u6216\u9012\u51cf\uff0c\u4e0d\u80fd\u5728\u5faa\u73af\u4f53\u4e2d\u4fee\u6539\u5faa\u73af\u8ba1\u6570\u5668<\/li>\n<\/ul>\n\n\n\n
            6.2.2 \u4f7f\u7528else if \u8bed\u53e5\u65f6\uff0c\u6700\u540e\u5fc5\u987b\u52a0else \u5206\u652f\u3002<\/h4>\n\n\n\n
            \/* ok *\/\nif (count == 0) {\n    \/* code *\/\n} else if (count > 0) {\n    \/* code *\/\n} else { \/* nothing *\/\n}<\/pre>\n\n\n\n
            6.2.3 \u4f7f\u7528switch \u8bed\u53e5\u65f6\uff0c\u6700\u540e\u5fc5\u987b\u52a0default \u5206\u652f\uff0ccase \u540e\u4e0d\u8ddfbreak \u7684\u8981\u6ce8\u91ca\u8bf4\u660e\u3002<\/h4>\n\n\n\n
            switch (cmd) {\n    case RT_TIMER_CTRL_GET_TIME:\n        *(rt_tick_t )arg = timer->init_tick;break;case RT_TIMER_CTRL_SET_PERIODIC:        timer->parent.flag |= RT_TIMER_FLAG_PERIODIC;break;\n*    case RT_TIMER_CTRL_GET_STATE: \/* example *\/\n    case RT_TIMER_CTRL_GET_REMAIN_TIME:\n        *(rt_tick_t )arg =  timer->timeout_tick;break;\n*    default: \/* nothing *\/\n        break;\n}<\/pre>\n\n\n\n
            else if \u8bed\u53e5\u6700\u540e\u52a0else \u8bed\u53e5\uff0cswitch \u8bed\u53e5\u4e2d\u6700\u540e\u52a0default \u7684\u76ee\u7684\u662f\u8981\u6c42\u7a0b\u5e8f\u505a\u4fdd\u62a4\u6027\u7f16\u7a0b\uff0c\u5e94\u6267\u884c\u9002\u5f53\u52a8\u4f5c\u4fdd\u8bc1\u7a0b\u5e8f\u5b89\u5168\uff0c\u5373\u4f7f\u6ca1\u6709\u6267\u884c\u52a8\u4f5c\u4e5f\u8981\u6dfb\u52a0\u6ce8\u91ca\u4ee5\u8bf4\u660e\u539f\u56e0\u3002<\/p>\n\n\n\n
            6.2.4 \u4ec5\u5141\u8bb8\u5728\u51fd\u6570\u4f53\u5185\u4f7f\u7528goto \u8bed\u53e5\uff0c\u7528\u4e8e\u51fa\u73b0\u9519\u8bef\u65f6\u7edf\u4e00\u5904\u7406\uff0c\u5176\u4ed6\u60c5\u51b5\u5219\u7981\u6b62\u4f7f\u7528goto \u3002<\/h4>\n\n\n\n
            \/* ok *\/\nvoid func1(void)\n{\n    if (!func2()) {\n        goto EXIT;\n    }\n    if (!func3()) {\n        goto EXIT;\n    }\n \nEXIT:\n    func4();\n\n    return;\n}<\/pre>\n\n\n\n
            6.2.5 \u4e0d\u5141\u8bb8\u4ee3\u7801\u4e2d\u5b58\u5728\u6267\u884c\u4e0d\u5230\u7684\u8bed\u53e5\u3002<\/h4>\n\n\n\n
            \u7a0b\u5e8f\u4e2d\u6267\u884c\u4e0d\u5230\u7684\u4ee3\u7801\u6216\u672a\u4f7f\u7528\u7684\u53d8\u91cf\u4e0d\u4ec5\u5360\u7528\u989d\u5916\u7684\u7a7a\u95f4\uff0c\u8fd8\u4f1a\u5f71\u54cd\u7a0b\u5e8f\u7684\u53ef\u8bfb\u6027\u548c\u6027\u80fd\uff0c\u5e94\u5f53\u5220\u9664\u3002<\/p>\n\n\n\n
            7 \u6ce8\u91ca<\/h2>\n\n\n\n
            7.1 \u8981\u6c42<\/h3>\n\n\n\n
            7.1.1 \u5e94\u5f53\u529b\u6c42\u51cf\u5c11\u6ce8\u91ca\uff0c\u6700\u591a\u4e0d\u8981\u8d85\u8fc7\u4ee3\u7801\u91cf\u768430%\uff0c\u4f18\u79c0\u7684\u4ee3\u7801\u53ef\u4ee5\u81ea\u6211\u89e3\u91ca\uff0c\u4e0d\u901a\u8fc7\u6ce8\u91ca\u4e5f\u53ef\u8f7b\u6613\u8bfb\u61c2\u3002<\/h4>\n\n\n\n
            \u6ce8\u91ca\u65e0\u6cd5\u628a\u7cdf\u7cd5\u7684\u4ee3\u7801\u53d8\u597d\uff0c\u9700\u8981\u5f88\u591a\u6ce8\u91ca\u6765\u89e3\u91ca\u7684\u4ee3\u7801\u5f80\u5f80\u5b58\u5728\u574f\u5473\u9053\uff0c\u9700\u8981\u91cd\u6784\u3002<\/p>\n\n\n\n
            7.1.2 \u6ce8\u91ca\u8981\u89e3\u91ca\u4ee3\u7801\u96be\u4ee5\u76f4\u63a5\u8868\u8fbe\u7684\u610f\u56fe\uff0c\u800c\u4e0d\u662f\u91cd\u590d\u63cf\u8ff0\u4ee3\u7801\u3002<\/h4>\n\n\n\n
            \u6ce8\u91ca\u7684\u76ee\u7684\u662f\u89e3\u91ca\u4ee3\u7801\u7684\u76ee\u7684\u3001\u529f\u80fd\u548c\u91c7\u7528\u7684\u65b9\u6cd5\uff0c\u63d0\u4f9b\u4ee3\u7801\u4ee5\u5916\u7684\u4fe1\u606f\uff0c\u5e2e\u52a9\u8bfb\u8005\u7406\u89e3\u4ee3\u7801\u3002\u6ce8\u91ca\u4e0d\u662f\u4e3a\u4e86\u540d\u8bcd\u89e3\u91ca\uff0c\u800c\u662f\u4e3a\u4e86\u8bf4\u660e\u7528\u9014\u3002<\/p>\n\n\n\n
            7.1.3 \u4fee\u6539\u4ee3\u7801\u65f6\u8981\u540c\u65f6\u4fee\u6539\u5176\u6ce8\u91ca\uff0c\u4ee5\u4fdd\u8bc1\u6ce8\u91ca\u4e0e\u4ee3\u7801\u7684\u4e00\u81f4\u6027\uff0c\u4e0d\u7528\u7684\u6ce8\u91ca\u8981\u53ca\u65f6\u5220\u9664\u3002<\/h4>\n\n\n\n
            7.1.4 \u6ce8\u91ca\u5e94\u653e\u5728\u5176\u4ee3\u7801\u4e0a\u65b9\u76f8\u90bb\u4f4d\u7f6e\u6216\u53f3\u65b9\uff0c\u7981\u6b62\u653e\u5728\u5176\u4ed6\u4f4d\u7f6e\u3002<\/h4>\n\n\n\n
            7.1.5 \u8003\u8651\u7a0b\u5e8f\u7684\u5b9e\u9645\u4f7f\u7528\u8005\uff0c\u5efa\u8bae\u5c3d\u91cf\u4f7f\u7528\u4e2d\u6587\u8fdb\u884c\u6ce8\u91ca\u3002<\/h4>\n\n\n\n
            7.1.6 \u4e0d\u5141\u8bb8\u7a0b\u5e8f\u4e2d\u5b58\u5728\u6ce8\u91ca\u6389\u7684\u4ee3\u7801\u3002<\/h4>\n\n\n\n
            \u4e0d\u4f7f\u7528\u7684\u4ee3\u7801\u5e94\u5f53\u53ca\u65f6\u5220\u6389\uff0c\u5177\u6709\u517c\u5bb9\u6027\u8d28\u7684\u4ee3\u7801\u5e94\u5f53\u4f7f\u7528\u5b8f\u63a7\uff0c\u800c\u4e0d\u662f\u6ce8\u91ca\u6389\u3002<\/p>\n\n\n\n
            7.2 \u683c\u5f0f<\/h3>\n\n\n\n
            7.2.1 \u6ce8\u91ca\u7edf\u4e00\u4f7f\u7528 \/* *\/ \u8fdb\u884c\u6ce8\u91ca\uff0c\u4e0d\u4f7f\u7528 \/\/ \u8fdb\u884c\u6ce8\u91ca\uff0c\u5355\u884c\u6ce8\u91ca\u5185\u5bb9\u5de6\u53f3\u5404\u7559\u4e00\u4e2a\u7a7a\u683c\u3002<\/p>\n\n\n\n
            \/* \u5355\u884c\u6ce8\u91ca *\/\n \n\/**\n\u591a\u884c\u6ce8\u91ca\n*\/<\/pre>\n\n\n\n
            7.2.2 \u5728\u6587\u4ef6\u5f00\u5934\u9876\u683c\u6ce8\u91ca\u7248\u6743\u58f0\u660e\uff0c\u5e76\u7b80\u8981\u6982\u8ff0\u6587\u4ef6\u4f5c\u7528\u6216\u5b9e\u73b0\u7684\u529f\u80fd\uff0c\u5e76\u8bb0\u5f55\u4f5c\u8005\u540d\u548c\u521b\u5efa\u65e5\u671f\u3002<\/h3>\n\n\n\n
            \u4fee\u6539\u6587\u4ef6\u5185\u5bb9\u65f6\uff0c\u4ec5\u4fee\u6539\u58f0\u660e\u7684\u65e5\u671f\u5373\u53ef\uff0c\u5177\u4f53\u7684\u4fee\u6539\u5185\u5bb9\u5e94\u8be5\u901a\u8fc7\u7248\u672c\u5de5\u5177\u8fdb\u884c\u8bb0\u5f55\u3002\u53ea\u6709\u6d89\u53ca\u5927\u7684\u529f\u80fd\u53d8\u66f4\u65f6\u624d\u9700\u4fee\u6539\u8bf4\u660e\uff0c\u4f46\u6b64\u65f6\u5e94\u8be5\u4f18\u5148\u8003\u8651\u589e\u52a0\u65b0\u6587\u4ef6\uff0c\u800c\u4e0d\u662f\u5728\u539f\u6587\u4ef6\u4e0a\u5927\u6539\u3002<\/p>\n\n\n\n
            \/**\nCopyright (C) 2022-2022 Company Name\n\n@brief \u6587\u4ef6\u7b80\u4ecb\n@author \u4f5c\u8005\n@date 2022-11-20\n*\/<\/pre>\n\n\n\n
            7.2.3 \u63a5\u53e3\u51fd\u6570\u58f0\u660e\u7684\u6ce8\u91ca\u8981\u63cf\u8ff0\u51fd\u6570\u529f\u80fd\u53ca\u7528\u6cd5\uff0c\u5305\u62ec\u8f93\u5165\u548c\u8f93\u51fa\u53c2\u6570\u3001\u8fd4\u56de\u503c\u548c\u8c03\u7528\u8981\u6c42\u7b49\u3002<\/h4>\n\n\n\n
            \u4e0d\u8981\u4e3a\u6240\u6709\u7684\u51fd\u6570\u90fd\u5199\u6ce8\u91ca\uff0c\u53ea\u5728\u91cd\u8981\u7684\u3001\u590d\u6742\u7684\u51fd\u6570\u5b9a\u4e49\u5904\u6ce8\u91ca\u5176\u529f\u80fd\u548c\u5b9e\u73b0\u8981\u70b9\u5373\u53ef\u3002<\/p>\n\n\n\n
            \/**\n@brief \u529f\u80fd\u7b80\u4ecb\n*\n@param \u53c2\u65701\u8bf4\u660e\n@param \u53c2\u65702\u8bf4\u660e\n*\n@return \u8fd4\u56de\u503c\u8bf4\u660e\n*\/<\/pre>\n\n\n\n
            8 \u6392\u7248\u4e0e\u683c\u5f0f<\/h2>\n\n\n\n
            8.1 \u901a\u7528\u683c\u5f0f<\/h3>\n\n\n\n
            8.1.1 \u4ee3\u7801\u6587\u4ef6\u7edf\u4e00\u7528UTF-8 \u7f16\u7801\u683c\u5f0f\u4fdd\u5b58\u3002<\/h4>\n\n\n\n
            \u5c24\u5176\u662f\u4ee3\u7801\u4e2d\u5b58\u5728\u4e2d\u6587\u65f6\uff0c\u4f7f\u7528UTF-8 \u7f16\u7801\u53ef\u4ee5\u907f\u514d\u5728\u4e0d\u540c\u7f16\u8f91\u5668\u4e0a\u663e\u793a\u4e71\u7801\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n
            8.1.2 \u9664\u51fd\u6570\u5b9a\u4e49\u5916\uff0c\u8bed\u53e5\u5757\u5de6\u5927\u62ec\u53f7\u7d27\u8ddf\u524d\u884c\uff0c \u6bcf\u7ea7\u7f29\u8fdb\u4e3a4\u4e2a\u7a7a\u683c\uff0c\u4e0d\u5141\u8bb8\u4f7f\u7528Tab \u7f29\u8fdb\u3002<\/h4>\n\n\n\n
            \u5927\u4f53\u4e0a\u9075\u5faaK&R \u98ce\u683c\uff0c\u5b9e\u73b0\u7d27\u51d1\u7684\u4ee3\u7801\u7ed3\u6784\uff0c\u63d0\u9ad8\u9605\u8bfb\u6548\u7387\uff0c\u4f46K&R \u98ce\u683c\u7684\u7f29\u8fdb\u662f8\u4e2a\u7a7a\u683c\uff0c\u8fc7\u4e8e\u5197\u957f\uff0c\u4f7f\u75284\u4e2a\u7a7a\u683c\u8db3\u5df2\uff0c\u8fd9\u4e5f\u662f\u5176\u4ed6\u4e3b\u6d41\u7f16\u7a0b\u8bed\u8a00\u7684\u901a\u7528\u89c4\u8303\u3002<\/p>\n\n\n\n
            \u5728\u7f16\u5199\u4ee3\u7801\u65f6\u53ef\u4ee5\u5c06\u7f16\u8f91\u5668\u7684Tab \u952e\u8bbe\u7f6e\u4e3a4\u4e2a\u7a7a\u683c\u4ee5\u7b80\u5316\u64cd\u4f5c\u3002<\/p>\n\n\n\n
            8.1.3 if \u3001for \u3001do \u3001while \u3001case \u3001switch \u3001default \u7b49\u8bed\u53e5\u9700\u8981\u72ec\u5360\u4e00\u884c\u3002<\/h4>\n\n\n\n
            8.1.4 if \u3001for\u3001else\u3001while \u7b49\u8bed\u53e5\u5373\u4f7f\u53ea\u6709\u4e00\u884c\u5185\u5bb9\u751a\u81f3\u6ca1\u6709\u5185\u5bb9\uff0c\u4e5f\u8981\u5199{}\uff0c\u4e0d\u5141\u8bb8\u7701\u7565\u3002<\/h4>\n\n\n\n
            \/* ok *\/\ntypedef struct {\n    uint8_t age;\n    uint8_t gender;\n} cat_t;\n \nif (num == 0) {\n    \/* code *\/\n} else if (num > 0) {\n    \/* code *\/\n} else {\n    \/* code *\/\n}\n \nwhile (true) {\n    \/* code *\/\n}\n \ndo {\n    \/* code *\/\n} while (i < 5);\n \nfor (uint8_t i = 0; i < 10; i++) {\n    \/* code *\/\n}\n \nswitch (cmd) {\n    case CMD1:\n        \/* code *\/\n        break;\n    case CMD2:\n        \/* code *\/\n        break;\n    default:\n        \/* code *\/\n        break;\n}\n \n \nvoid func (void)\n{\n    \/* code *\/\n \n    return;\n}<\/pre>\n\n\n\n
            8.1.5 \u4e00\u6761\u8bed\u53e5\u4e0d\u80fd\u8fc7\u957f\uff0c\u5982\u4e0d\u80fd\u62c6\u5206\u5219\u9700\u8981\u5206\u884c\u5199\uff0c\u4e00\u884c\u6700\u591a\u4e0d\u8d85\u8fc7120\u4e2a\u5b57\u7b26\u3002<\/h4>\n\n\n\n
            \u6362\u884c\u65f6\u8981\u589e\u52a0\u4e00\u7ea7\u7f29\u8fdb\uff0c\u53ef\u5728\u64cd\u4f5c\u7b26\u5c3e\u5904\u6362\u884c\uff0c\u6ce8\u610f\u884c\u5c3e\u4e0d\u8981\u6709\u7a7a\u683c\u3002<\/p>\n\n\n\n
            \u6362\u884c\u65f6\u4e00\u4e2a\u5b8c\u6574\u7684\u8bed\u53e5\u653e\u5728\u4e00\u884c\uff0c\u4e0d\u8981\u5355\u7eaf\u56e0\u4e3a\u5b57\u7b26\u6570\u6362\u884c\u3002<\/p>\n\n\n\n
            8.1.6 \u591a\u4e2a\u77ed\u8bed\u53e5\u4e0d\u5141\u8bb8\u5199\u5728\u540c\u4e00\u884c\u5185 \uff0c\u5373\u4e00\u884c\u53ea\u5199\u4e00\u6761\u8bed\u53e5\u3002<\/h4>\n\n\n\n
            \/* ok *\/\nuint16_t arr[][] = {\n  \n  {1, 2, 3}, {4, 5, 6}};\nif (time >= MAX_TIME_VALUE)\na = b + c;\na *= 2;\nchar *p = 'a';\np = &mem;\ni++;\np->id = pid;\np.id = pid;<\/pre>\n\n\n\n
            8.1.8 \u9884\u5904\u7406\u548c\u5b8f\u8bed\u53e5\u5fc5\u987b\u9876\u683c\u5199\uff0c\u4e0d\u5141\u8bb8\u5728# \u524d\u51fa\u73b0\u5176\u4ed6\u5b57\u7b26\u3002<\/p>\n\n\n\n
            \u867d\u7136\u8bed\u6cd5\u8981\u6c42\u9884\u5904\u7406\u6307\u4ee4\u524d\u53ef\u4ee5\u6709\u7a7a\u683c\uff0c\u4f46\u5728\u64cd\u4f5c\u4e2d\u5e94\u907f\u514d\u8fd9\u6837\u7684\u5199\u6cd5\uff0c\u5373\u4f7f\u9884\u5904\u7406\u5728\u8bed\u53e5\u5757\u4e2d\u4e5f\u8981\u9876\u683c\u5199\uff0c\u4e0d\u53d7\u7f29\u8fdb\u9650\u5236\u3002<\/p>\n\n\n\n
            8.1.9 #define\u4e0d\u80fd\u5728\u8bed\u53e5\u5757\u4e2d\u8fdb\u884c\u5b9a\u4e49\uff0c\u5fc5\u987b\u653e\u5728\u6587\u4ef6\u5f00\u5934\u3002<\/p>\n\n\n\n
            \u5c3d\u7ba1\u5728C\u4ee3\u7801\u4e2d\u7684\u4efb\u4f55\u4f4d\u7f6e\u653e\u7f6e#define \u90fd\u662f\u5408\u6cd5\u7684\uff0c\u4f46\u653e\u5728\u8bed\u53e5\u5757\u4e2d\u4f1a\u4f7f\u4eba\u8bef\u4ee5\u4e3a\u8be5\u5b8f\u4ec5\u5728\u8be5\u8bed\u53e5\u5757\u8d77\u4f5c\u7528\u3002#define \u6307\u4ee4\u8981\u653e\u5728\u7b2c\u4e00\u4e2a\u51fd\u6570\u5b9a\u4e49\u4e4b\u524d\u3002<\/p>\n\n\n\n
            8.1.10 \u6ce8\u91ca\u5728\u4e0a\u65b9\u7684\uff0c\u9700\u8981\u9876\u683c\u5f00\u59cb\uff1b\u5728\u53f3\u4fa7\u7684\uff0c\u5728\u4ec5\u6709\u4e00\u4e2a\u6ce8\u91ca\u7684\u65f6\u5019\uff0c\u6ce8\u91ca\u4e0e\u8bed\u53e5\u7559\u4e00\u4e2a\u7a7a\u683c\uff1b \u82e5\u591a\u884c\u8bed\u53e5\u5747\u9700\u6ce8\u91ca\uff0c\u5219\u6ce8\u91ca\u4e0e\u6700\u957f\u8bed\u53e5\u7559\u4e00\u4e2a\u7a7a\u683c\uff0c\u5176\u4ed6\u6ce8\u91ca\u4e0e\u4e4b\u5bf9\u9f50\u3002<\/p>\n\n\n\n
            \u9644\u5f55<\/h2>\n\n\n\n
            \u9644\u88681 \u5e38\u7528\u5355\u8bcd\u7f29\u5199<\/p>\n\n\n\n
            \"\"<\/figure>\n\n\n\n
            \u53c2\u8003\u8d44\u6599<\/h2>\n\n\n\n
            \u534e\u4e3aC&C++ \u8bed\u8a00\u7f16\u7a0b\u89c4\u8303<\/p>\n\n\n\n
            \u963f\u91ccC \u8bed\u8a00\u89c4\u8303<\/p>\n\n\n\n
            MISRA-C \u7f16\u7a0b\u89c4\u8303<\/p>\n\n\n\n
            Mbed TLS \u7f16\u7801\u89c4\u8303<\/p>\n","protected":false},"excerpt":{"rendered":"
            \u4ee3\u7801\u9996\u5148\u662f\u7ed9\u4eba\u770b\u7684\uff0c\u5176\u6b21\u624d\u662f\u7ed9\u673a\u5668\u6267\u884c\u7684\uff0c\u56e0\u6b64\u4e00\u822c\u60c5\u51b5\u4e0b\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u4f18\u5148\u4e8e\u6027\u80fd\uff0c\u53ea\u6709\u786e\u5b9a\u6027\u80fd\u662f\u74f6\u9888\u65f6\uff0c\u624d\u9700\u8981\u4e3b […]<\/p>\n","protected":false},"author":1,"featured_media":846,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[84,85],"class_list":["post-843","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aimc_standard","tag-aimc","tag-c-c"],"_links":{"self":[{"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/posts\/843","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/comments?post=843"}],"version-history":[{"count":1,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/posts\/843\/revisions"}],"predecessor-version":[{"id":847,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/posts\/843\/revisions\/847"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/media\/846"}],"wp:attachment":[{"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/media?parent=843"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/categories?post=843"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/tags?post=843"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}