{"id":161913,"date":"2024-11-04T10:23:33","date_gmt":"2024-11-04T02:23:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161913\/"},"modified":"2024-11-04T10:23:34","modified_gmt":"2024-11-04T02:23:34","slug":"%e8%a8%98%e9%8c%84%e8%87%b3%e4%bc%ba%e6%9c%8d%e5%99%a8%ef%bc%8c%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e6%8e%a1%e9%9b%86%e8%88%87%e5%82%b3%e8%bc%b8-title-%e5%88%a9%e7%94%a8%e4%b8%b2%e5%8f%a3%e9%87%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161913\/","title":{"rendered":"\u8a18\u9304\u81f3\u4f3a\u670d\u5668\uff0c\u5be6\u73fe\u6578\u64da\u63a1\u96c6\u8207\u50b3\u8f38 Title: \u5229\u7528\u4e32\u53e3\u91cd\u8907\u767c\u9001\u6578\u64da\uff0c\u5be6\u73fe\u6578\u64da\u5eab\u4fe1\u606f\u5b58\u5132\u548c\u4f3a\u670d\u5668\u50b3\u8f38 (c \u901a\u904e\u4e32\u53e3\u591a\u6b21\u767c\u9001\u6578\u64da\u5eab)"},"content":{"rendered":"

\u5229\u7528\u4e32\u53e3\u91cd\u8907\u767c\u9001\u6578\u64da\uff0c\u5be6\u73fe\u6578\u64da\u5eab\u4fe1\u606f\u5b58\u5132\u548c\u4f3a\u670d\u5668\u50b3\u8f38<\/h1>\n

\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u6536\u96c6\u548c\u50b3\u8f38\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u7121\u8ad6\u662f\u7269\u806f\u7db2\u8a2d\u5099\u7684\u6578\u64da\u6536\u96c6\uff0c\u9084\u662f\u4f01\u696d\u5167\u90e8\u7cfb\u7d71\u7684\u6578\u64da\u50b3\u8f38\uff0c\u4e32\u53e3\u901a\u4fe1\u6280\u8853\u90fd\u626e\u6f14\u8457\u95dc\u9375\u89d2\u8272\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u901a\u904e\u4e32\u53e3\u91cd\u8907\u767c\u9001\u6578\u64da\u4f86\u5be6\u73fe\u6578\u64da\u5eab\u4fe1\u606f\u7684\u5b58\u5132\u548c\u4f3a\u670d\u5668\u7684\u6578\u64da\u50b3\u8f38\u3002<\/p>\n

\u4e32\u53e3\u901a\u4fe1\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

\u4e32\u53e3\u901a\u4fe1\u662f\u4e00\u7a2e\u901a\u904e\u4e32\u884c\u6578\u64da\u50b3\u8f38\u7684\u65b9\u5f0f\uff0c\u901a\u5e38\u7528\u65bc\u8a2d\u5099\u4e4b\u9593\u7684\u6578\u64da\u4ea4\u63db\u3002\u5b83\u7684\u5de5\u4f5c\u539f\u7406\u662f\u5c07\u6578\u64da\u4e00\u4f4d\u4e00\u4f4d\u5730\u50b3\u9001\uff0c\u9019\u4f7f\u5f97\u4e32\u53e3\u901a\u4fe1\u5728\u9577\u8ddd\u96e2\u50b3\u8f38\u4e2d\u5177\u6709\u8f03\u597d\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u5e38\u898b\u7684\u4e32\u53e3\u901a\u4fe1\u5354\u8b70\u5305\u62ecRS-232\u3001RS-485\u7b49\u3002<\/p>\n

\u6578\u64da\u91cd\u8907\u767c\u9001\u7684\u5fc5\u8981\u6027<\/h2>\n

\u5728\u67d0\u4e9b\u61c9\u7528\u5834\u666f\u4e2d\uff0c\u6578\u64da\u7684\u53ef\u9760\u6027\u81f3\u95dc\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u5728\u5de5\u696d\u81ea\u52d5\u5316\u7cfb\u7d71\u4e2d\uff0c\u50b3\u611f\u5668\u6578\u64da\u7684\u4e1f\u5931\u53ef\u80fd\u5c0e\u81f4\u8a2d\u5099\u6545\u969c\u3002\u56e0\u6b64\uff0c\u901a\u904e\u4e32\u53e3\u91cd\u8907\u767c\u9001\u6578\u64da\uff0c\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u6e96\u78ba\u6027\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u7684\u50b3\u8f38\u6210\u529f\u7387\uff0c\u9084\u80fd\u5920\u5728\u6578\u64da\u4e1f\u5931\u7684\u60c5\u6cc1\u4e0b\u9032\u884c\u81ea\u52d5\u91cd\u767c\u3002<\/p>\n

\u5be6\u73fe\u6578\u64da\u91cd\u8907\u767c\u9001\u7684\u57fa\u672c\u6b65\u9a5f<\/h2>\n

1. \u8a2d\u7f6e\u4e32\u53e3\u53c3\u6578<\/h3>\n

\u5728\u958b\u59cb\u6578\u64da\u50b3\u8f38\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u8a2d\u7f6e\u4e32\u53e3\u7684\u57fa\u672c\u53c3\u6578\uff0c\u5305\u62ec\u6ce2\u7279\u7387\u3001\u6578\u64da\u4f4d\u3001\u505c\u6b62\u4f4d\u548c\u6821\u9a57\u4f4d\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684C\u8a9e\u8a00\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u8a2d\u7f6e\u4e32\u53e3\uff1a<\/p>\n

\n#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <fcntl.h>\n#include <unistd.h>\n#include <termios.h>\n\nint setup_serial(const char *port) {\n    int fd = open(port, O_RDWR | O_NOCTTY | O_NDELAY);\n    if (fd == -1) {\n        perror(\"open_port: Unable to open port\");\n        return -1;\n    }\n\n    struct termios options;\n    tcgetattr(fd, &options);\n    options.c_cflag = B9600 | CS8 | CREAD | CLOCAL;\n    options.c_iflag = IGNPAR;\n    options.c_oflag = 0;\n    options.c_lflag = 0;\n    tcflush(fd, TCIFLUSH);\n    tcsetattr(fd, TCSANOW, &options);\n    return fd;\n}\n<\/code><\/pre>\n
2. \u6578\u64da\u767c\u9001\u51fd\u6578<\/h3>\n
\u8a2d\u7f6e\u597d\u4e32\u53e3\u5f8c\uff0c\u53ef\u4ee5\u7de8\u5beb\u4e00\u500b\u51fd\u6578\u4f86\u767c\u9001\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u767c\u9001\u6578\u64da\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n
\nvoid send_data(int fd, const char *data) {\n    for (int i = 0; i < 3; i++) { \/\/ \u91cd\u8907\u767c\u9001\u4e09\u6b21\n        write(fd, data, strlen(data));\n        sleep(1); \/\/ \u7b49\u5f851\u79d2\u518d\u767c\u9001\n    }\n}\n<\/code><\/pre>\n
3. \u6578\u64da\u63a5\u6536\u8207\u5b58\u5132<\/h3>\n
\u5728\u6578\u64da\u767c\u9001\u7684\u540c\u6642\uff0c\u4f3a\u670d\u5668\u9700\u8981\u63a5\u6536\u9019\u4e9b\u6578\u64da\u4e26\u5c07\u5176\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528SQL\u8a9e\u53e5\u5c07\u63a5\u6536\u5230\u7684\u6578\u64da\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n
\nvoid store_data(const char *data) {\n    \/\/ \u5047\u8a2d\u5df2\u7d93\u5efa\u7acb\u4e86\u6578\u64da\u5eab\u9023\u63a5\n    char query[256];\n    snprintf(query, sizeof(query), \"INSERT INTO data_table (data) VALUES ('%s')\", data);\n    \/\/ \u57f7\u884cSQL\u8a9e\u53e5\n}\n<\/code><\/pre>\n
\u7d50\u8ad6<\/h2>\n
\u901a\u904e\u4e32\u53e3\u91cd\u8907\u767c\u9001\u6578\u64da\uff0c\u6211\u5011\u53ef\u4ee5\u6709\u6548\u5730\u5be6\u73fe\u6578\u64da\u7684\u53ef\u9760\u50b3\u8f38\u548c\u5b58\u5132\u3002\u9019\u7a2e\u65b9\u6cd5\u5728\u8a31\u591a\u61c9\u7528\u4e2d\u90fd\u5177\u6709\u91cd\u8981\u610f\u7fa9\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u9ad8\u53ef\u9760\u6027\u7684\u5834\u666f\u4e2d\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u4e32\u53e3\u901a\u4fe1\u5c07\u7e7c\u7e8c\u5728\u6578\u64da\u6536\u96c6\u548c\u50b3\u8f38\u4e2d\u767c\u63ee\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n
\u5982\u679c\u60a8\u5c0d\u65bc\u4f3a\u670d\u5668\u7684\u9078\u64c7\u6709\u8208\u8da3\uff0c\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 \u4f3a\u670d\u5668<\/a>\uff0c\u90fd\u53ef\u4ee5\u8003\u616e\u6211\u5011\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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