{"id":239,"date":"2022-03-14T23:12:58","date_gmt":"2022-03-14T15:12:58","guid":{"rendered":"http:\/\/150.158.163.220\/?p=239"},"modified":"2022-12-19T20:57:19","modified_gmt":"2022-12-19T12:57:19","slug":"%e6%9d%a5%e8%af%bb%e8%af%bbhal%e6%ba%90%e7%a0%81-%e5%af%84%e5%ad%98%e5%99%a8%e7%9a%84%e7%bb%93%e6%9e%84%e4%bd%93%e6%98%a0%e5%b0%84","status":"publish","type":"post","link":"https:\/\/zhewana.cn\/?p=239","title":{"rendered":"\u6765\u8bfb\u8bfbHAL\u6e90\u7801—-\u5bc4\u5b58\u5668\u7684\u7ed3\u6784\u4f53\u6620\u5c04"},"content":{"rendered":"

\u7b14\u8005\u4e0d\u624d\uff0c\u5bc4\u5b58\u5668\u7684\u7ed3\u6784\u4f53\u6620\u5c04<\/strong>\u8fd9\u4e2a\u540d\u5b57\u5176\u5b9e\u662f\u7b14\u8005\u81ea\u5df1\u9020\u51fa\u6765\u7684\uff0c\u4f3c\u4e4e\u4e5f\u6ca1\u6709\u627e\u5230\u4ec0\u4e48\u5173\u4e8e\u8fd9\u65b9\u9762\u7684\u5b98\u65b9\u8bf4\u6cd5\u3002<\/p>\n

\u5148\u89e3\u91ca\u4e00\u4e0b\u8fd9\u4e2a\u540d\u5b57\u5427\uff0c\u4ee5\u514d\u8bfb\u8005\u4ea7\u751f\u5947\u602a\u7684\u8bef\u89e3\uff1a<\/p>\n

\u5bc4\u5b58\u5668\u7684\u7ed3\u6784\u4f53\u6620\u5c04<\/strong>\u63cf\u8ff0\u7684\u662f\u4e00\u79cd\u901a\u8fc7\u4fee\u6539\u7ed3\u6784\u4f53\u7684\u503c<\/strong>\u5b9e\u73b0\u4fee\u6539\u5bc4\u5b58\u5668\u5185\u5bb9<\/strong>\u7684\u5173\u7cfb\u3002<\/p>\n

\u800c\u8fd9\u7bc7\u6587\u7ae0\u4e2d\u8bd5\u56fe\u89e3\u91ca\u7684\u95ee\u9898\u662f\uff1aHAL\u5e93\u5982\u4f55\u5b9e\u73b0\u4ece\u5bc4\u5b58\u5668\u5230\u7ed3\u6784\u4f53\u7684\u6620\u5c04\u3002<\/p>\n

\u4e00\u4e9b\u57fa\u7840\u77e5\u8bc6<\/h2>\n

C\u7684\u6307\u9488<\/h3>\n

\u6307\u9488\uff0c\u4e00\u4e2a\u8ba8\u8bba\u8d77C\u8bed\u8a00\u6052\u4e45\u79bb\u4e0d\u5f00\u7684\u8bdd\u9898\uff0c\u6211\u4eec\u6765\u5148\u590d\u4e60\u4e00\u4e9b\u5173\u4e8e\u6307\u9488\u7684\u77e5\u8bc6\u3002<\/p>\n

\u6307\u9488\u4e0euint32_t<\/h4>\n

\u7f13\u7f13\u5730\u6572\u51fa\u4e24\u53e5\u4ee3\u7801\uff1a<\/p>\n

int a = 0;\nint *ptr = &a;<\/code><\/pre>\n
\u8111\u6d77\u4e2d\u6d6e\u73b0\u4e00\u4e2a\u95ee\u9898\uff1a\u6307\u9488\u662f\u4ec0\u4e48\uff1f<\/p>\n
\n
\u662f\u4e00\u4e2a\u53d8\u91cf<\/strong><\/p>\n<\/blockquote>\n
\u6307\u9488\u662f\u4e00\u4e2a\u53d8\u91cf\u7684\u8bdd\uff0ca\u4e5f\u662f\u4e00\u4e2a\u53d8\u91cf\u3002<\/p>\n
\u6211\u4eec\u90fd\u77e5\u9053a\u7684\u503c\u662f0\uff0c\u90a3\u4e48\u6307\u9488ptr\u7684\u503c\u662f\u4ec0\u4e48\uff0c\u53c8\u662f\u591a\u5c11\u5462\uff1f<\/p>\n
\n
\u662f\u4e00\u4e2a\u5730\u5740\uff0c\u662f&a<\/strong><\/p>\n<\/blockquote>\n
\u663e\u7136\u4e0a\u9762\u662f\u4e00\u53e5\u5e9f\u8bdd\uff0c\u4e0d\u8fc7\u8fd8\u662f\u8981\u63a5\u7740\u95ee\uff1a\u65e2\u7136\u8fd9\u6837\uff0c\u90a3&a\u7684\u503c\u662f\u591a\u5c11\u5462\uff1f<\/p>\n
\u8fd9\u5176\u5b9e\u662f\u4e2a\u4e3a\u96be\u4eba\u7684\u95ee\u9898\uff0c\u6bd5\u7adf\u53d8\u91cf\u7684\u5730\u5740\u5e76\u4e0d\u662f\u6211\u4eec\u4eba\u4e3a\u5206\u914d\u7684\uff0c\u7edd\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u5373\u4f7f\u662f\u4f5c\u4e3a\u7f16\u5199\u4ee3\u7801\u7684\u4eba\u6211\u4eec\u4e5f\u4ecd\u7136\u4e0d\u77e5\u9053\u4e00\u4e2a\u53d8\u91cf\u7684\u5730\u5740\u3002<\/p>\n
\u4e0d\u8fc7\u5176\u5b9e\u7b14\u8005\u771f\u6b63\u60f3\u95ee\u7684\u662f\uff1a&a\u662f\u4e2a\u4ec0\u4e48\u7c7b\u578b\u7684\u503c\uff1f\u6216\u8005\u8bf4\uff0cptr\u662f\u4e2a\u4ec0\u4e48\u7c7b\u578b\u7684\u503c\uff1f<\/strong><\/p>\n
\u8bf7\u6ce8\u610f\u8fd9\u91cc\u7684\u8868\u8ff0\uff1a\u4ec0\u4e48\u7c7b\u578b\u7684\u503c<\/strong>\uff0c\u800c\u4e0d\u662f\u53d8\u91cf<\/strong>\u3002<\/p>\n
\n
\u662f\u65e0\u7b26\u53f732\u4f4d\u6574\u578b<\/strong>\uff0c\u4e5f\u5c31\u662f\u6211\u4eec\u5e38\u7528\u7684uint32_t<\/strong>\u6216\u8005u32<\/strong>\uff08\u53eb\u4ec0\u4e48\u53d6\u51b3\u4e8e\u5f00\u53d1\u73af\u5883\u5bf9\u4e8e\u65e0\u7b26\u53f732\u4f4d\u6574\u578b\u7684\u91cd\u547d\u540d\uff09<\/p>\n<\/blockquote>\n
\u6240\u6709\u7684\u6307\u9488\u503c\u90fd\u662fuint32_t\u5417\uff0c\u5f53\u7136\u4e0d\u662f<\/strong>\uff0c\u8bef\u89e3\u7684\u9505\u54b1\u4e0d\u80cc\u3002<\/p>\n
\u5f53\u7136\uff0c\u4e5f\u522b\u5411\u53e6\u4e00\u4e2a\u65b9\u5411\u8bef\u4f1a\uff0c\u4e0a\u9762\u8fd9\u53e5\u8bdd\u6307\u7684\u662f\u5728\u5176\u4ed6\u8ba1\u7b97\u673a\u4e0a\u6307\u9488\u503c\u4e0d\u4e00\u5b9a\u662fuint32_t\uff0c\u4f46\u662f\u81f3\u5c11\u5728STM32\u5355\u7247\u673a\u4e0a\uff0c\u6307\u9488\u503c\u90fd\u662fuint32_t\u3002<\/p>\n
\u6ca1\u9519\uff0c\u65e0\u8bba\u662f\u6574\u578b\u6307\u9488\u3001\u6d6e\u70b9\u578b\u6307\u9488\u3001\u7ed3\u6784\u4f53\u6307\u9488\u8fd8\u662f\u8054\u5408\u4f53\u6307\u9488\uff0c\u503c\u90fd\u662fuint32_t<\/strong><\/p>\n
\u6211\u4eec\u7a0d\u5fae\u518d\u8ffd\u7a76\u4e00\u4e0b\uff1a<\/p>\n
\u4f17\u6240\u5468\u77e5\uff0cSTM32\u5355\u7247\u673a\u7684\u5b57\u957f\u4e3a32\uff0c\u5bfb\u5740\u4f4d\u6570\u662f32\u4f4d\uff08\u8fd9\u4e24\u8005\u6ca1\u5565\u5173\u7cfb\uff09\u3002\u6362\u79cd\u8bf4\u6cd5\u6765\u8bb2\u7684\u8bdd\u5c31\u662f\uff1aSTM32\u5355\u7247\u673a\u7684\u6570\u636e\u603b\u7ebf\u5bbd\u5ea6\u4e3a32\u4f4d\uff0c\u800c\u5730\u5740\u603b\u7ebf\u7684\u5bbd\u5ea6\u521a\u597d\u4e5f\u662f32\u4f4d\u3002<\/p>\n
\u629b\u5f00\u6570\u636e\u603b\u7ebf\u4e0d\u8c08\uff0c\u5730\u5740\u603b\u7ebf\u7684\u5bbd\u5ea6\u662f32\u4f4d\u51b3\u5b9a\u4e86\u4ec0\u4e48\u5462\uff1f<\/p>\n
\n
\u51b3\u5b9a\u4e86C\u7684\u6307\u9488\u7684\u957f\u5ea6\u662f32\u4f4d\uff0c\u53738\u4f4d\u5341\u516d\u8fdb\u5236\u6570\u3002<\/strong><\/p>\n<\/blockquote>\n
\u6240\u4ee5\uff0c\u5f53\u4f60\u8fd0\u884c\u8fd9\u4e2a\u7a0b\u5e8f\u65f6\uff1a<\/p>\n
#include "stdio.h"\n#include "stdint.h"\n\nint main(void) {\n    int a = 156;\n    printf("0x%x", &a);\n    return 0;\n}<\/code><\/pre>\n
\u4f1a\u5f97\u5230\u7c7b\u4f3c\u8fd9\u6837\u7684\u8f93\u51fa\uff1a<\/p>\n
0x261ff1c<\/code><\/pre>\n
\u5f53\u7136\uff0c\u8fd9\u6837\u5199\u4ee3\u7801\u5927\u90e8\u5206\u7f16\u8bd1\u5668\u90fd\u4f1a\u5bf9\u4e8e&a<\/code>\u53d1\u51fa\u8b66\u544a\uff0c\u56e0\u4e3a\u4f60\u7684\u683c\u5f0f\u63a7\u5236\u7b26\u8868\u793a\u4f60\u60f3\u8f93\u51fa\u7684\u503c\u662f\u4e00\u4e2a\u5341\u516d\u8fdb\u5236\u7684\u6574\u578b<\/strong>\uff0c\u800c\u4f60\u653e\u5728\u8fd9\u91cc\u7684\u662f\u6574\u5f62\u6307\u9488<\/strong>\u3002\u7a0b\u5e8f\u5f53\u7136\u53ef\u4ee5\u6b63\u5e38\u8fd0\u884c\uff0c\u7f16\u8bd1\u5668\u7684\u8b66\u544a\u662f\u7531\u4e8e\u5176\u731c\u6d4b\u4f60\u60f3\u4f7f\u7528\u7684\u6570\u636e\u7c7b\u578b\u4e0e\u5b9e\u9645\u8f93\u5165\u7684\u6570\u636e\u7c7b\u578b\u4e0d\u7b26\uff0c\u6240\u4ee5\u7f16\u8bd1\u5668\u53d1\u51fa\u8b66\u544a\u4ee5\u786e\u4fdd\u4f60\u77e5\u9053\u4f60\u81ea\u5df1\u5728\u5e72\u4ec0\u4e48\u3002<\/p>\n
\u60f3\u8ba9\u5b83\u4e0d\u53d1\u51fa\u8b66\u544a\uff1f\u7b80\u5355\uff1a<\/p>\n
#include "stdio.h"\n#include "stdint.h"\n\nint main(void) {\n    int a = 156;\n    printf("0x%x", (uint32_t) &a);\n    return 0;\n}<\/code><\/pre>\n
\u8fd9\u5c31\u597d\u6bd4\u5728\u4f60\u8001\u5988\u5520\u53e8\u4f60\uff1a\u201c\u5b69\u5b50\uff0c\u90fd\u8fd9\u65f6\u5019\u4e86\uff0c\u4f60\u5e94\u8be5...\u201d\u7684\u65f6\u5019\uff0c\u4f60\u6253\u65ad\u5979\u9053\uff1a\u201c\u6211\u77e5\u9053\uff0c\u5b66\u4e60\uff01\u201d\u3002<\/p>\n
\u5728\u7f16\u8bd1\u5668\u5520\u53e8\u4f60\uff1a\u201c\u4f60\u4ee3\u7801\u5199\u9519\u4e86\u5427\uff01\u6211\u731c\u4f60\u60f3\u4f20\u4e2a\u6574\u578b\u8fc7\u6765\uff0c\u4f60\u5374...\u201d\u7684\u65f6\u5019\uff0c\u4f60\u6253\u65ad\u9053\uff1a\u201c\u6211\u77e5\u9053\u81ea\u5df1\u5728\u5e72\u561b\uff0c\u6211\u5c31\u662f\u60f3\u628a\u8fd9\u4e2a\u6307\u9488\u5f53\u6574\u578b\u7528\uff01\u201d\u3002\u7f16\u8bd1\u5668\u81ea\u7136\u65e0\u8bdd\u53ef\u8bf4\u3002<\/p>\n
\u5f53\u7136\uff0c\u8fd0\u884c\u7ed3\u679c\u4e0d\u4f1a\u6709\u4efb\u4f55\u6539\u53d8<\/strong>\uff0c\u5c31\u597d\u6bd4\u65e0\u8bba\u4f60\u662f\u5426\u6253\u65ad\u4f60\u8001\u5988\u7684\u8bdd\u90fd\u5f97\u53bb\u5b66\u4e60\uff08\u5bb3\uff0c\u7a0b\u5e8f\u4eba\u751f\u5457\uff09\u3002<\/p>\n
\u6307\u9488\u4e0e\u53d8\u91cf<\/h4>\n
\u8bf4\u8bdd\u8fd9\u79cd\u4e1c\u897f\uff0c\u6709\u4e9b\u4e1c\u897f\u5fc5\u987b\u8981\u8bf4\u6e05\u695a\u624d\u884c\uff0c\u4e0d\u7136\u5c31\u5bb9\u6613\u8ba9\u542c\u8005\u611f\u5230\u7cca\u6d82\u3002\u5176\u5b9e\u4e0a\u9762\u867d\u7136\u8bf4\u4e86\u8fd9\u4e48\u591a\uff0c\u4f46\u662f\u6709\u4e00\u4e9b\u5173\u952e\u7684\u4e1c\u897f\u4e00\u76f4\u6ca1\u6709\u70b9\u51fa\u6765\uff0c\u662f\u5173\u4e8e\u53d8\u91cf\u7684\uff1a<\/p>\n
    \n
  • \u53d8\u91cf\u662f\u5b58\u50a8\u4e00\u4e9b\u4e8c\u8fdb\u52360\u548c1\u7684\u5bb9\u5668<\/strong>\uff0c\u65e0\u8bba\u91cc\u9762\u7684\u5185\u5bb9\u662f\u6574\u578b\u8fd8\u662f\u6d6e\u70b9\u578b<\/li>\n
  • \u53d8\u91cf\u8fd9\u79cd\u5bb9\u5668<\/strong>\u4f1a\u88ab\u653e\u5728\u5185\u5b58\u7684\u67d0\u4e2a\u4f4d\u7f6e\uff0c\u8fd9\u4e2a\u4f4d\u7f6e\u5c31\u53eb\u53d8\u91cf\u7684\u5730\u5740<\/strong><\/li>\n
  • \u53d8\u91cf\u8fd9\u79cd\u5bb9\u5668<\/strong>\u6709\u5b83\u81ea\u5df1\u7684\u7528\u9014\u548c\u7279\u70b9\uff0c\u5c31\u50cf\u53a8\u623f\u91cc\u7684\u76d0\u7f50\u918b\u74f6\u4e00\u6837\uff0c\u8fd9\u4e9b\u88ab\u6211\u4eec\u79f0\u4e3a\u6570\u636e\u7c7b\u578b<\/strong><\/li>\n
  • \u6570\u636e\u7c7b\u578b<\/strong>\u7684\u610f\u4e49\u5728\u4e8e\uff1a\n
      \n
    • \u544a\u8bc9\u7f16\u8bd1\u5668\u5bb9\u5668\u7684\u5927\u5c0f<\/strong><\/li>\n
    • \u544a\u8bc9\u7f16\u8bd1\u5668\u5bb9\u5668\u5728\u5185\u5b58\u4e2d\u5e94\u8be5\u5982\u4f55\u5bf9\u9f50<\/strong><\/li>\n
    • \u544a\u8bc9\u7f16\u8bd1\u5668\u5bf9\u4e8e\u5bb9\u5668\u7684\u5185\u5bb9\u53ef\u4ee5\u8fdb\u884c\u4f55\u79cd\u64cd\u4f5c<\/strong><\/li>\n
    • \u544a\u8bc9\u7f16\u8bd1\u5668\u5e94\u8be5\u5982\u4f55\u89e3\u91ca<\/strong>\u5bb9\u5668\u4e2d\u7684\u4e00\u5806\u4e0d\u660e\u610f\u4e49\u76840\u548c1<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
      \u770b\u5b8c\u4e0a\u9762\u8fd9\u4e9b\u4e1c\u897f\u6211\u4eec\u4f1a\u610f\u8bc6\u5230\uff0c\u5355\u7eaf\u53d8\u91cf\u91cc\u9762\u7684\u5185\u5bb9\u5176\u5b9e\u662f\u6ca1\u6709\u4ec0\u4e48\u610f\u4e49\u7684\uff0c\u662f\u6570\u636e\u7c7b\u578b\u7ed9\u4e88\u4e86\u4ed6\u4eec\u610f\u4e49\u3002<\/p>\n
      \u8bf4\u5230\u8fd9\uff0c\u6211\u4eec\u8f6c\u5ff5\u4e00\u60f3\uff1a\u6307\u9488\u4e5f\u662f\u53d8\u91cf\u554a<\/strong>\u3002<\/p>\n
      \u521a\u624d\u6211\u4eec\u4e5f\u63d0\u5230\u4e86\uff0c\u6307\u9488\u91cc\u9762\u7684\u503c\u5176\u5b9e\u5c31\u662fuint32_t\uff0c\u90a3\u4e48\u95ee\u9898\u6765\u4e86\uff1a<\/p>\n
      \u6307\u9488\u8868\u793a\u5730\u5740\uff0c\u90a3\u4e3a\u4ec0\u4e48\u6211\u968f\u4fbf\u5b9a\u4e49\u4e00\u4e2auint32_t\u7c7b\u578b\u7684\u53d8\u91cf\u4e0d\u80fd\u8868\u793a\u5730\u5740\u5462\uff1f<\/strong><\/p>\n
      \u65e2\u7136\u8bf4\u5230\u4e86\u6211\u4eec\u5c31\u8bd5\u4e00\u8bd5\uff1a<\/p>\n
      #include "stdio.h"\n#include "stdint.h"\n\nint main(void) {\n    int a = 156;\n    uint32_t temp = (uint32_t) &a;\n    printf("%d", *temp);\n    return 0;\n}<\/code><\/pre>\n
      \u5f88\u4e0d\u5e78\uff0c\u5e76\u6ca1\u6709\u8fc7\u7f16\u8bd1\u3002<\/p>\n
      \u62a5\u9519\u7684\u4f4d\u7f6e\u5728\u4e8e*temp<\/code>\uff0c\u65e2\u7136\u6307\u9488\uff0c\u6216\u8005\u8bf4\u5730\u5740\u503c\u662fuint32_t\uff0c\u90a3\u4e3a\u4ec0\u4e48\u7528uint32_t\u4e0d\u80fd\u6309\u7167\u5730\u5740\u7684\u65b9\u5f0f\u5bfb\u5740\u5230a\u7684\u503c\u5462\uff1f<\/p>\n
      \u8fd9\u4e2a\u95ee\u9898\u4e2d\u7684\u4e3b\u8981\u77db\u76fe\u70b9\u5728\u4e8e\u4e8c\u8005\u7684\u6570\u636e\u7c7b\u578b\u662f\u4e0d\u540c\u7684<\/strong>\uff0c\u7b54\u6848\u5176\u5b9e\u5728\u521a\u521a\u5df2\u7ecf\u8bf4\u8fc7\u4e86\uff1a<\/p>\n
      \n
      \u6570\u636e\u7c7b\u578b\u7684\u610f\u4e49\u4e4b\u4e00\u5728\u4e8e\uff1a<\/p>\n
      \u544a\u8bc9\u7f16\u8bd1\u5668\u5bf9\u4e8e\u5bb9\u5668\u7684\u5185\u5bb9\u53ef\u4ee5\u8fdb\u884c\u4f55\u79cd\u64cd\u4f5c<\/strong><\/p>\n<\/blockquote>\n
      \u4f55\u79cd\u64cd\u4f5c<\/strong>\uff0c\u7528\u9762\u5411\u5bf9\u8c61\u7684\u8bf4\u6cd5\u53eb\u65b9\u6cd5<\/strong>\uff0c\u7528\u6700\u6734\u7d20\u7684\u89d2\u5ea6\u6765\u8bf4\u5176\u5b9e\u5c31\u662f\u8fd0\u7b97<\/strong>\u3002<\/p>\n
      \u6ca1\u9519\uff0c\u4e0a\u9762\u7684\u4ee3\u7801\u4e4b\u6240\u4ee5\u4f1a\u51fa\u95ee\u9898\uff0c\u5e76\u4e0d\u662f\u56e0\u4e3a\u5341\u516d\u8fdb\u5236\u6570\u4e0d\u80fd\u4f5c\u4e3a\u5730\u5740\u503c\uff0c\u800c\u662f\u7531\u4e8e*<\/code>\u8fd9\u79cd\u5bfb\u5740\u8fd0\u7b97\u5e76\u4e0d\u80fd\u5bf9\u65e0\u7b26\u53f7\u6574\u578b\u8fd9\u79cd\u6570\u636e\u7c7b\u578b\u4f7f\u7528\u3002<\/p>\n
      \u6211\u4eec\u6539\u6539\u4e4b\u524d\u7684\u4ee3\u7801\uff1a<\/p>\n
      #include "stdio.h"\n#include "stdint.h"\n\nint main(void) {\n    int a = 156;\n    uint32_t temp = (uint32_t) &a;\n    printf("%d", *(int *) temp);\n    return 0;\n}<\/code><\/pre>\n
      \u53ea\u8981\u5728\u5bfb\u5740\u4e4b\u524d\u5c06\u65e0\u7b26\u53f7\u6574\u578b<\/strong>\u8f6c\u5316\u6210\u6574\u578b\u6307\u9488<\/strong>\uff0c\u6216\u8005\u6362\u53e5\u8bdd\u8bf4\uff1a<\/p>\n
      \u53ea\u8981\u5728\u5bfb\u5740\u4e4b\u524d\u544a\u8bc9\u7f16\u8bd1\u5668\uff1a\u201c\u6211\u60f3\u5c06\u8fd9\u4e2a\u6574\u578b\u4f5c\u4e3a\u6307\u9488\u6765\u4f7f\u7528\uff0c\u6211\u77e5\u9053\u81ea\u5df1\u5728\u5e72\u4ec0\u4e48<\/strong>\u201d\uff0c\u7f16\u8bd1\u5668\u81ea\u7136\u4e0d\u4f1a\u5e72\u6270\u4f60\u7684\u64cd\u4f5c\u3002<\/p>\n
      \u8fd0\u884c\u7a0b\u5e8f\uff0c\u8f93\u51fa\u7684\u5185\u5bb9\u8dc3\u7136\u7eb8\u4e0a\uff1a<\/p>\n
      156<\/code><\/pre>\n
      \u6307\u9488\u4e0e\u5e38\u91cf<\/h4>\n
      \u65e2\u7136\u8bf4\u5230\u4e86\u6570\u636e\u7c7b\u578b\uff0c\u53c8\u8bf4\u5230\u4e86\u5e38\u91cf\uff0c\u90a3\u5c31\u6765\u8bf4\u8bf4\u5e38\u91cf\u7684\u6570\u636e\u7c7b\u578b\u3002<\/p>\n
      \n
      \u5f53\u7136\uff0c\u7531const\u4fee\u9970\u7684\u53d8\u91cf\u5176\u5b9e\u51e0\u4e4e\u548c\u666e\u901a\u53d8\u91cf\u4e00\u6837\uff0c\u6240\u4ee5\u5e76\u4e0d\u5728\u63a2\u8ba8\u8303\u56f4\u4e4b\u5185\u3002<\/p>\n<\/blockquote>\n
      \u629b\u5f00\u5b57\u7b26\u5e38\u91cf\u7684\u6570\u636e\u7c7b\u578b\u4e0d\u8c08\uff0c\u6211\u4eec\u6765\u770b\u770b\u6570\u503c\u5e38\u91cf\uff1a<\/p>\n
      100     \/\/> int\n100.0   \/\/> double\n100.0f  \/\/> float\n100u    \/\/> unsigned int\n100l    \/\/> long int\n100ul   \/\/> usigned long int<\/code><\/pre>\n
      \u663e\u7136\uff0c\u5f53\u5bf9\u4e8e\u4e00\u4e2a\u4e0d\u52a0\u4fee\u9970\u7684\u6570\u503c\u5e38\u91cf\u800c\u8a00\uff0c\u6ca1\u6709\u5c0f\u6570\u70b9\u5c31\u4f1a\u88ab\u9ed8\u8ba4\u4e3a\u6574\u578b\u53d8\u91cf\uff0c\u800c\u6709\u4e86\u5c0f\u6570\u70b9\u5c31\u4f1a\u9ed8\u8ba4\u4e3a\u53cc\u7cbe\u5ea6\u7c7b\u578b\u3002<\/p>\n
      \u81f3\u4e8e\u5e38\u7528\u7684\u4e09\u4e2a\u4fee\u9970\u8bed\uff1au\u3001l\u3001f<\/p>\n
        \n
      • u\u4ee3\u8868\u65e0\u7b26\u53f7\u4fee\u9970<\/li>\n
      • l\u4ee3\u8868long\u4fee\u9970<\/li>\n
      • f\u4ee3\u8868\u6d6e\u70b9\u578b<\/li>\n
      • \u4ee5\u4e0a\u4e09\u79cd\u4fee\u9970\u53ef\u4ee5\u6309\u7167\u4efb\u4f55\u5408\u6cd5\u7684\u65b9\u5f0f<\/strong>\u7ec4\u5408<\/li>\n<\/ul>\n
        \u7b14\u8005\u8bf4\u8fd9\u4e9b\u5f53\u7136\u4e0d\u662f\u4e3a\u4e86\u79d1\u666e\u5e38\u91cf\u6570\u636e\u7c7b\u578b\u7684\u77e5\u8bc6\u70b9\uff0c\u800c\u662f\u8ba9\u8bfb\u8005\u610f\u8bc6\u5230\u4e00\u4ef6\u4e8b\uff1a<\/p>\n
        \u5e38\u91cf\u662f\u62e5\u6709\u6570\u636e\u7c7b\u578b\u7684\uff0c\u5e76\u4e14\u9ed8\u8ba4\u7684\u5e38\u91cf\u7c7b\u578b\u7edd\u4e0d\u4f1a\u662f\u4e00\u4e2a\u6307\u9488<\/strong>\u3002<\/p>\n
        \u76f8\u4fe1\u770b\u5230\u8fd9\u91cc\u5e94\u8be5\u4e5f\u4e0d\u96be\u7406\u89e3\u4e3a\u4ec0\u4e48\u4e0b\u9762\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u62a5\u9519\u4e86\u5427\uff1a<\/p>\n
        \uff080x0261ff1c<\/code>\u662f\u53d8\u91cfa\u7684\u5185\u5b58\u5730\u5740\uff0c\u89c1\u4e0a\u6587\u7684\u67d0\u7a0b\u5e8f\uff09<\/p>\n
        #include "stdio.h"\n#include "stdint.h"\n\nint main(void) {\n    int a = 156;\n    printf("%d", *0x0261ff1c);\n    return 0;\n}<\/code><\/pre>\n
        \u5f53\u7136\u662f\u56e0\u4e3a\u6574\u578b\u4e0d\u5141\u8bb8\u8fdb\u884c\u5bfb\u5740\u64cd\u4f5c<\/strong>\uff0c\u76f8\u4fe1\u8bfb\u8005\u5e94\u8be5\u4e5f\u80fd\u5f88\u5bb9\u6613\u7684\u60f3\u5230\u89e3\u51b3\u65b9\u6cd5\uff1a<\/p>\n
        #include "stdio.h"\n#include "stdint.h"\n\nint main(void) {\n    int a = 156;\n    printf("%d", *(int *) 0x0261ff1c);\n    return 0;\n}<\/code><\/pre>\n
        \u4e86\u89e3\u4e86\u8fd9\u4e9b\uff0c\u76f8\u4fe1\u6211\u4eec\u5c31\u53ef\u4ee5\u7ee7\u7eed\u4e0b\u4e00\u90e8\u5206\u4e86\u3002<\/p>\n
        \u5355\u7247\u673a\u7684\u5185\u5b58\u6620\u5c04<\/h3>\n
        \u6807\u9898\u867d\u7136\u957f\uff0c\u4e0d\u8fc7\u5b9e\u9645\u7684\u5185\u5bb9\u4e0d\u8fc7\u5c31\u662f\u4e00\u5f20\u56fe\uff1a<\/p>\n
        \"image-20220314150834970.png\"<\/div><\/p>\n
        \u8fd9\u5f20\u56fe\u6765\u81ea\u4e8eDS9716\uff0c\u5373STM32F401xC\u7684\u6570\u636e\u624b\u518c\uff0c\u63cf\u8ff0\u4e86\u6574\u4e2a\u5355\u7247\u673a\u7684\u5185\u5b58\u5206\u5e03\u60c5\u51b5\u3002<\/p>\n
        \u663e\u7136\uff0c\u5b58\u653e\u6211\u4eec\u4ee3\u7801\u7684\u7247\u4e0aFlash\u5728\u8fd9\u4e2a\u4f4d\u7f6e\uff1a<\/p>\n
        \"image-20220314195406136.png\"<\/div><\/p>\n
        \u4e0d\u8fc7\u8fd9\u5e76\u4e0d\u662f\u6211\u4eec\u7684\u91cd\u70b9\uff0c\u56e0\u4e3a\u5728\u6b63\u5e38\u7684\u4f7f\u7528\u4e2d\u6211\u4eec\u5bf9\u4e8eFLASH\u7684\u5b58\u5728\u5df2\u7ecf\u4e60\u4ee5\u4e3a\u5e38\u3002\u8fd9\u91cc\u7b14\u8005\u60f3\u8981\u5f3a\u8c03\u7684\u662f\u5355\u7247\u673a\u7684\u5916\u8bbe\u5bc4\u5b58\u5668\uff1a<\/p>\n
        \"image-20220314200120319.png\"<\/div><\/p>\n
        \u7531\u4e8eHAL\u5e93\u7684\u5c01\u88c5\uff0c\u5bfc\u81f4\u6211\u4eec\u5bf9\u4e8e\u5bc4\u5b58\u5668\u7684\u5e95\u5c42\u4fe1\u606f\u77e5\u4e4b\u751a\u5c11\u3002<\/p>\n
        \u6240\u4ee5\uff0c\u719f\u6089\u4e00\u4e0b\u8fd9\u5f20\u56fe\u6211\u4eec\u518d\u7ee7\u7eed\u4e0b\u53bb\u3002<\/p>\n
        \u4f17\u6240\u5468\u77e5\uff0cSTM32\u6709\u4e24\u6761\u9ad8\u901f\u603b\u7ebf\uff08AHB1\u30012\uff09\u548c\u4e24\u6761\u4f4e\u901f\u603b\u7ebf\uff08APB1\u30012\uff09\uff0c\u4ed6\u4eec\u7684\u5185\u5b58\u5206\u5e03\u6b63\u5982\u5185\u5b58\u6620\u5c04\u56fe\u4e0a\u753b\u7684\u4e00\u6837\uff0c\u8981\u60f3\u83b7\u5f97\u66f4\u7ec6\u8282\u7684\u4fe1\u606f\uff0c\u6211\u4eec\u8981\u53c2\u8003\u5bc4\u5b58\u5668\u8fb9\u754c\u5730\u5740\u8868\uff08\u8282\u9009\uff09\uff1a<\/p>\n
        \"image-20220314201000682.png\"<\/div><\/p>\n
        \u77e5\u9053\u4e86\u8fd9\u4e9b\u6211\u4eec\u5c31\u53ef\u4ee5\u7ed3\u675f\u590d\u4e60\uff0c\u7ee7\u7eed\u5411\u4e0b\u8fdb\u884c\u4e86\u3002<\/p>\n
        \u4e00\u4e2a\u597d\u5947\u7684\u4ea7\u751f<\/h2>\n
        \u6bcf\u4e2a\u60f3\u6cd5\u7684\u4ea7\u751f\u5f53\u7136\u90fd\u662f\u6709\u539f\u56e0\u7684\uff0c\u5148\u6765\u8bf4\u8bf4\u7b14\u8005\u662f\u5982\u4f55\u6ce8\u610f\u5230\u4f7f\u7528\u7ed3\u6784\u4f53\u6765\u6620\u5c04\u5bc4\u5b58\u5668\u7684\u73b0\u8c61\u7684\u5427\u3002<\/p>\n
        \u7b2c\u4e00\u6b21\u63a5\u89e6\u5230\u5bc4\u5b58\u5668\u8fd9\u4e2a\u8bcd\u8bed\u662f\u5728\u5b66\u4e60\u5b9a\u65f6\u5668\u7684\u65f6\u5019\uff0c\u5f53\u65f6\u8bd5\u56fe\u7406\u89e3\u5b9a\u65f6\u5668\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u6240\u4ee5\u4e0d\u5f97\u4e0d\u5f00\u59cb\u8003\u8651\u5bc4\u5b58\u5668\u662f\u4e2a\u4ec0\u4e48\u73a9\u610f\u3002<\/p>\n
        \u5f53\u65f6\u60f3\u8981\u4fee\u6539\u5b9a\u65f6\u5668\u7684\u67d0\u4e2a\u5bc4\u5b58\u5668\u7684\u503c\u5c31\u9700\u8981\u5199\u4e0a\u8fd9\u4e48\u4e00\u6bb5\u4ee3\u7801\uff1a<\/p>\n
        TIM2->CCR1 = 999\uff1b<\/code><\/pre>\n
        \u5f53\u65f6\u7528\u6211\u6d45\u663e\u7684\u8ba4\u77e5\u770b\u51fa\u6765\u8fd9\u5176\u5b9e\u662f\u5728\u5bf9\u7ed3\u6784\u4f53\u7684\u4e00\u4e2a\u6210\u5458\u8d4b\u503c\uff0c\u6240\u4ee5\u5c31\u89c9\u5f97\u7ed3\u6784\u4f53\u597d\u5389\u5bb3\uff0c\u8fd8\u53ef\u4ee5\u64cd\u63a7\u5bc4\u5b58\u5668\u3002<\/p>\n
        \u968f\u7740\u65f6\u95f4\u7684\u6d41\u901d\uff0c\u5bf9C\u7684\u4e86\u89e3\u8d8a\u6765\u8d8a\u591a\uff0c\u53d1\u73b0\u7ed3\u6784\u4f53\u867d\u7136\u53ef\u4ee5\u8fdb\u884c\u5bc4\u5b58\u5668\u7684\u5c01\u88c5\uff0c\u4f46\u662f\u5e76\u4e0d\u4ee3\u8868\u7740\u6620\u5c04\u5230\u4e86\u5bc4\u5b58\u5668<\/strong>\u3002<\/p>\n
        \u8fd9\u4e2a\u65f6\u5019\u8fd8\u6ca1\u6709\u5f88\u7cca\u6d82\u3002<\/p>\n
        \u540e\u6765\u89c1\u5230\u4e86\u4e00\u4e9b\u82af\u7247\u5382\u5546\u5199\u7684\u5e93\uff08\u67d0sence\uff09\uff0c\u53d1\u73b0\u5728\u521d\u59cb\u5316\u7684\u65f6\u5019\u5176\u5b9e\u662f\u5229\u7528\u603b\u7ebf\u901a\u8baf\u5c06\u7ed3\u6784\u4f53\u7684\u503c\u9001\u5230\u4e86\u5bc4\u5b58\u5668\u4e2d\u6765\u5b9e\u73b0\u4e86\u4e24\u8fb9\u7684\u503c\u7684\u540c\u6b65\u3002<\/p>\n
        \u77e5\u9053\u4e86\u8fd9\u4ef6\u4e8b\u4e4b\u540e\u7b14\u8005\u61f5\u903c\u4e86\uff1a<\/p>\n
        \u5355\u7247\u673a\u7684\u7ed3\u6784\u4f53\u548c\u5bc4\u5b58\u5668\u662f\u5982\u4f55\u540c\u6b65\u7684\u5462\uff1f<\/strong><\/p>\n
        \u8bfb\u8bfbHAL\u6e90\u7801<\/h2>\n
        \u60f3\u63a2\u7a76\u8fd9\u4e2a\u95ee\u9898\u7684\u8bdd\u6211\u4eec\u8fd8\u662f\u6765\u8bfb\u4e00\u8bfbHAL\u7684\u6e90\u7801\u5427\uff0c\u6bd5\u7adf\u6ca1\u6709\u6bd4\u4ee3\u7801\u8bb2\u4e1c\u897f\u8bb2\u7684\u66f4\u6e05\u695a\u7684\u4e86\u3002<\/p>\n
        \u5c31\u7528\u7b14\u8005\u7684\u5bc4\u5b58\u5668\u542f\u8499\u5916\u8bbe\u6765\u63a2\u7d22\u8fd9\u4e2a\u95ee\u9898\u5427\uff1a\u5b9a\u65f6\u5668\u3002<\/p>\n
        \u8fdb\u5165\u5230\u4e00\u4e2a\u5f00\u4e86\u5b9a\u65f6\u5668\u7684\u5de5\u7a0b\uff0c\u6253\u5f00main.c\uff0c\u76f4\u63a5\u53bb\u770b\u770b\u5b9a\u65f6\u5668\u7684\u521d\u59cb\u5316\u4ee3\u7801\uff1a<\/p>\n
        MX_TIM2_Init();<\/code><\/pre>\n
        \u8fdb\u5165\u51fd\u6570\u5c31\u8fdb\u5165\u4e86tim.c\u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u770b\u5230\u5728\u6587\u4ef6\u524d\u9762\u5b9a\u4e49\u4e86\u5168\u5c40\u7684\u5b9a\u65f6\u5668\u53e5\u67c4\uff1a<\/p>\n
        TIM_HandleTypeDef htim2;<\/code><\/pre>\n
        \u63a5\u7740\u770b\u770b\u521d\u59cb\u5316\u51fd\u6570\u5185\u90fd\u5e72\u4e86\u4ec0\u4e48\uff1a<\/p>\n
        \"image-20220314203844128.png\"<\/div><\/p>\n
        \u57fa\u672c\u5c31\u662f\u5bf9\u5bc4\u5b58\u5668\u53e5\u67c4\u7684\u5404\u79cd\u6210\u5458\u8d4b\u503c\u4e91\u4e91\uff0c\u7136\u540e\u8c03\u7528\u4e00\u4e2aInit\u51fd\u6570\u6765\u5c06\u8fd9\u4e9b\u914d\u7f6e\u52a0\u8f7d\u5230\u5bc4\u5b58\u5668\u4e2d\uff0c\u6240\u4ee5\u6211\u4eec\u6293\u4e00\u4e2a\u521d\u59cb\u5316\u51fd\u6570\u6765\u5eb7\u5eb7\uff1a<\/p>\n
        \"image-20220314204034603.png\"<\/div><\/p>\n
        \u5927\u81f4\u770b\u4e86\u770b\u53d1\u73b0\u6240\u6709\u7684\u5bc4\u5b58\u5668\u8d4b\u503c\u90fd\u662f\u5bf9\u4e8e\u4f20\u5165\u7684TIMx\u7684\u7ed3\u6784\u4f53\u6210\u5458\u6765\u8d4b\u503c\u3002<\/p>\n
        \u90a3\u4e48\u662f\u600e\u4e48\u5b9e\u73b0\u7ed3\u6784\u4f53\u548c\u5bc4\u5b58\u5668\u7684\u5185\u5bb9\u540c\u6b65\u5462\uff1f<\/p>\n
        \u5185\u542b\u5bc4\u5b58\u5668\u6210\u5458\u7684\u7ed3\u6784\u4f53\u5176\u5b9e\u662fhtim\u53e5\u67c4\u7684\u4e00\u4e2a\u5b9e\u4f8b\u6210\u5458\uff1a<\/p>\n
        htim2.Instance = TIM2;<\/code><\/pre>\n
        \u6240\u4ee5\u6211\u4eec\u6765\u770b\u770b\u8fd9\u4e2a\u7ed3\u6784\u4f53\u7684\u5b9a\u4e49\uff1a<\/p>\n
        \"image-20220314204554728.png\"<\/div><\/p>\n
        \n
        \u7f13\u7f13\u6253\u51fa\u4e00\u4e2a\u95ee\u53f7\uff1a\uff1f<\/strong><\/p>\n
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