{"id":6269,"date":"2024-12-26T14:33:31","date_gmt":"2024-12-26T06:33:31","guid":{"rendered":"https:\/\/www.liuwenhao.me\/?p=6269"},"modified":"2024-12-26T14:34:25","modified_gmt":"2024-12-26T06:34:25","slug":"cjson%e5%86%85%e5%ad%98%e6%ba%a2%e5%87%ba%ef%bc%8c%e8%b8%a9%e4%ba%86%e4%b8%80%e4%b8%aa%e5%89%8d%e4%ba%ba%e6%b2%a1%e8%b8%a9%e8%bf%87%e7%9a%84%e5%9d%91","status":"publish","type":"post","link":"https:\/\/www.liuwenhao.me\/?p=6269","title":{"rendered":"cJSON\u5185\u5b58\u6ea2\u51fa\uff0c\u8e29\u4e86\u4e00\u4e2a\u524d\u4eba\u6ca1\u8e29\u8fc7\u7684\u5751"},"content":{"rendered":"

\u6700\u8fd1TFC\uff08\u5177\u4f53\u4ecb\u7ecd\u53c2\u89c1\u8fd9\u91cc<\/a>\uff09\u6709\u4e86\u65b0\u7684\u9700\u6c42\uff0c\u9700\u898116\u4e2a\u901a\u9053\u540c\u65f6\u4ee51kHz\u4ee5\u4e0a\u7684\u91c7\u6837\u7387\u8fdb\u884c\u6570\u636e\u91c7\u96c6\u3002\u4ee5\u524dAI\u8f6c\u6362\u8fd9\u4e00\u90e8\u5206\u7684\u5185\u5bb9\u6ca1\u6709\u542f\u7528DMA\uff0c\u4e0d\u652f\u6301AI\u6570\u636e\u7684\u6279\u91cf\u4f20\u9001\uff0c\u6700\u5927\u80fd\u652f\u6301\u7684\u91c7\u96c6\u9891\u7387\u7ea6\u4e3a\u6bcf\u79d25\u6b21\u3002\u4f46\u57fa\u4e8e\u65b0\u7684\u9700\u6c42\u5f00\u53d1\u4e86\u5b9a\u65f6\u5668\u89e6\u53d1ADC\u91c7\u96c6-ADC\u8f6c\u6362\u5b8c\u6210\u89e6\u53d1DMA\u4f20\u9001-DMA\u4f20\u9001\u4e00\u534a\u89e6\u53d1DMA\u4e2d\u65ad-DMA\u4e2d\u65ad\u89e6\u53d1UART\u6570\u636e\u4f20\u9001\u7684\u94fe\u8def\u3002\u8fd8\u65b0\u589e\u4e86\u4e00\u6761\u901a\u4fe1\u6307\u4ee4\u3002\u5f53PC\u5411TFC\u53d1\u9001JSON\u5b57\u7b26\u4e32\uff1a <\/p>\n

\n

{ “cmd”: “ai_bulk_read”, “channel”:[10,11],”max_bulk”:5,”msg_id”:”0123456789″}<\/p>\n<\/blockquote>\n

\u540e\uff0cTFC\u4fbf\u5f00\u59cb\u542f\u52a8AI\u6279\u91cf\u6570\u636e\u4f20\u8f93\u3002\uff08\u4e0a\u8ff0\u6307\u4ee4\u4e2dcmd\u8868\u793a\u6307\u4ee4\u540d\uff0cchannel\u8868\u793a\u8fd4\u56de\u7684AI\u901a\u9053\u7f16\u53f7\uff0cmax_bulk\u8868\u793a\u6bcf\u6b21\u89e6\u53d1\u8fd4\u56de\u7684\u6570\u636e\u5305\u6570\u91cf\uff0cmsg_id\u8868\u793a\u6d88\u606f\u7684id\u3002\u53ea\u6709cmd\u4e0echannel\u662f\u5fc5\u586b\u7684\uff09 <\/p>\n

\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u5f53\u53d1\u9001\u4e0a\u9762\u7684\u6307\u4ee4\u540e\uff0cTFC\u4f1a\u9a6c\u4e0a\u56de\u590d\u4e00\u6761\u786e\u8ba4\u4fe1\u606f\uff0c\u7136\u540e\u7acb\u5373\u5f00\u59cb\u6279\u91cf\u4f20\u9001AI\u6570\u636e\u3002 <\/p>\n

\u786e\u8ba4\u4fe1\u606f\uff1a <\/p>\n

\n

{“cmd”:”ai_bulk_read”,”channel”:[10,11],”bulk_len”:250,”bus_load”:5,”status”:1,”msg_id”:”0123456789″,”time_stamp”:398779}<\/p>\n<\/blockquote>\n

\u6279\u91cfAI\u6570\u636e\u4f20\u9001\uff1a <\/p>\n

\n

{“cmd”: “report_ai_bulk”,”bulk_len”:250,”bulk_counter”:1,”channel”:[10,11],”ai_val”:[1,1,1,1,0,1,1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1,0,1,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,0,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,0,1,1,1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,0,0,1,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,0,1,1,0,0,1,1,1,0,1,1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,0,1,1,1,1,0,1,1,1,0,1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1],”status”:1,”msg_id”:”0123456789″,”time_stamp”:398789}<\/p>\n<\/blockquote>\n

\u5982\u679c\u53d1\u9001\u7684channel\u5bf9\u8c61\u4e3a\u7a7a\u6570\u7ec4\uff0c\u5219\u505c\u6b62AI\u6570\u636e\u7684\u6279\u91cf\u4f20\u9001\uff1a <\/p>\n

\n

{ “cmd”: “ai_bulk_read”, “channel”:[],”max_bulk”:0}<\/p>\n<\/blockquote>\n

\u6267\u884c\u538b\u6d4b\u7684\u65f6\u5019\uff0c\u53d1\u73b0\u4e00\u65e6\u8fde\u7eed\u53d1\u9001\u4e00\u5b9a\u6570\u91cf\u7684\u6307\u4ee4\u4e4b\u540e\u5f00\u59cb\u8fd4\u56de\u4e71\u7801\u3002\u4f46\u6b64\u65f6\u8fd8\u53ef\u4ee5\u63a5\u6536\u5e76\u6267\u884c\u6307\u4ee4\uff08\u5982\u679c\u6307\u5b9a\u901a\u9053\u53f7\u5219report_ai_bulk\u8fd8\u80fd\u7ee7\u7eed\u8fd4\u56de\uff0c\u5982\u679c\u53d1beep\u6307\u4ee4\uff0c\u8702\u9e23\u5668\u4e5f\u80fd\u6b63\u5e38\u9e23\u53eb\uff09\u3002 <\/p>\n

\"1\" <\/p>\n

\u4f46\u5982\u679c\u5728\u6b64\u57fa\u7840\u4e0a\u7ee7\u7eed\u8fde\u7eed\u53d1\u9001 <\/p>\n

\n

{ “cmd”: “ai_bulk_read”, “channel”:[],”max_bulk”:0}<\/p>\n<\/blockquote>\n

\u547d\u4ee4\uff0c\u53ef\u80fdTFC\u5c31\u76f4\u63a5\u5361\u6b7b\u4e86\u3002 <\/p>\n

\u7ecf\u8fc7\u6d4b\u8bd5\u53d1\u73b0\uff0cTFC\u91cd\u542f\u4e4b\u540e\uff0c\u6bcf\u6b21\u80fd\u56de\u5e94\u7684\u6307\u4ee4\u7684\u6570\u91cf\u662f\u56fa\u5b9a\u7684\u3002\u800c\u4e14\u65e0\u8bba\u5feb\u53d1\u8fd8\u662f\u6162\u53d1\uff0c\u90fd\u4e0d\u4f1a\u6539\u53d8\u8fd9\u4e2a\u6570\u91cf\u503c\u3002 <\/p>\n

\u6d4b\u8bd5\u53d1\u9001\u4e0d\u540c\u957f\u5ea6\u7684\u6307\u4ee4\uff0c\u80fd\u56de\u5e94\u7684\u4e0d\u4e71\u7801\u7684\u6307\u4ee4\u6570\u91cf\u662f\u4e00\u5b9a\u7684\u3002\u7edf\u8ba1\u5173\u7cfb\u5982\u4e0b\uff1a <\/p>\n

\"4\" <\/p>\n

\u5982\u679c\u53d1\u9001\u7684\u6307\u4ee4\u957f\u5ea6\u77ed\u4e8e\u67d0\u4e2a\u503c\uff08\u6bd4\u598230\u5de6\u53f3\u7684{ “cmd”: “ai_bulk_read”, “channel”:[]}\uff09\uff0c\u5219\u65e0\u8bba\u5982\u4f55\u90fd\u4e0d\u4f1a\u590d\u73b0\u4e0a\u8ff0\u95ee\u9898\u3002 <\/p>\n

\u4ece\u4e0a\u9762\u8868\u683c\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u53d1\u9001\u7684\u6307\u4ee4\u8d8a\u957f\uff0c\u80fd\u6b63\u5e38\u56de\u5e94\u7684\u6570\u91cf\u8d8a\u5c11\uff0c\u5448\u73b0\u660e\u663e\u7684\u8d1f\u76f8\u5173\u6027\u3002\u4f46\u4ed6\u4eec\u7684\u4e58\u79ef\u5e76\u4e0d\u662f\u4e00\u4e2a\u56fa\u5b9a\u503c\uff0c\u4e5f\u5c31\u662f\u8bf4\u8ddfTFC\u7aef\u7684RX Buffer\u5173\u7cfb\u4e0d\u4e00\u5b9a\u5f88\u5927\u3002 <\/p>\n

\u53e6\u5916\uff0c\u5c06TFC\u7aef\u7684\u5806\u7684\u5927\u5c0f\u75310x4000\u6539\u4e3a0x5000\uff08\u589e\u59274096Byte\uff09\uff0c\u4e0a\u8ff0\u6307\u4ee4\u957f\u5ea6\u4e3a76\u7684\u6307\u4ee4\u80fd\u6b63\u5e38\u56de\u5e94\u7684\u6307\u4ee4\u6570\u91cf\u753196\u53d8\u4e3a122\u3002 <\/p>\n

\u5b8c\u4e86\uff0c\u5185\u5b58\u6ea2\u51fa\u4e86\u3002 <\/p>\n

\u95ee\u9898\u63a2\u7a76<\/h1>\n

\u8bd5\u7740\u6539\u53d8\u6808\u7684\u5927\u5c0f\uff0c\u53d1\u73b0\u5e76\u4e0d\u4f1a\u5f71\u54cd\u80fd\u6b63\u5e38\u56de\u5e94\u7684\u6307\u4ee4\u6570\u91cf\u3002\u4f46\u6539\u53d8\u5806\u7684\u5927\u5c0f\u53ef\u4ee5\u3002\u8bf4\u660e\u95ee\u9898\u5c31\u51fa\u73b0\u5728malloc\u7b49\u5206\u914d\u7684\u5185\u5b58\u6ca1\u6709\u88ab\u56de\u6536\u4e0a\u3002\u5168\u5c40\u5728\u9879\u76ee\u4e2d\u6240\u6709\u6587\u4ef6\u641c\u7d22\u201calloc\u201d\uff0c\u53d1\u73b0\u8fd9\u4e2a\u51fd\u6570\u53ea\u51fa\u73b0\u5728cJSON.c\u6587\u4ef6\u4e2d\u3002\u662f\u7684\uff0c\u5c31\u662f\u56e0\u4e3a\u6015\u5185\u5b58\u6ea2\u51fa\uff0c\u5269\u4f59\u63a5\u8fd12w\u884c\u7684\u624b\u7801\u4ee3\u7801\u6211\u751a\u81f3\u6ca1\u6562\u4f7f\u7528malloc\u3002 <\/p>\n

\"2\" <\/p>\n

\u5728\u7f51\u4e0a\u641c\u4e86\u65e0\u6570\u7684cJSON\u5185\u5b58\u56de\u6536\u88ab\u524d\u4eba\u8e29\u8fc7\u7684\u5751\uff0c\u5176\u5b9e\u65e0\u975e\u662f\u4ee5\u4e0b\u4e09\u70b9\uff1a <\/p>\n

    \n
  1. \u4f7f\u7528\u4e86cJSON_Parse\u521b\u5efa\u7684\u5bf9\u8c61\uff0c\u6ca1\u6709\u88abcJSON_Delete\u56de\u6536\uff1b\n
  2. \u4f7f\u7528\u4e86cJSON_CreateObject\u521b\u5efa\u7684\u5bf9\u8c61\uff0c\u6ca1\u6709\u88abcJSON_Delete\u56de\u6536\uff1b\n
  3. \u4f7f\u7528\u4e86cJSON_PrintUnformatted\u8f93\u51fa\u7684\u5b57\u7b26\u4e32\uff0c\u6ca1\u6709\u88abcJSON_free\u56de\u6536\u3002<\/li>\n<\/ol>\n

    \u53e6\u5916\u8fd8\u6709\u4e00\u4e9b\u6587\u7ae0\u53cb\u60c5\u7684\u63d0\u793a\u4e86\u5bf9\u8c61\u7684\u5b50\u5bf9\u8c61\u53ef\u4ee5\u88abcJSON_Delete\u4ece\u4e3b\u8282\u70b9\u9012\u5f52\u56de\u6536\uff0c\u4ee5\u53cacJSON\u7684malloc\u673a\u5236\u6709\u95ee\u9898\u3001\u5efa\u8bae\u4f7f\u7528\u81ea\u5df1\u66f4\u65b0\u4e4b\u540e\u7684mallc\u51fd\u6570\u7b49\u7b49\u3002 <\/p>\n

    \u9010\u4e00\u6392\u67e5\u4e86\u4f7f\u7528cJSON_Parse\u3001cJSON_CreateObject\u51fd\u6570\u7684\u4ee3\u7801\u7684\u6240\u6709\u6570\u636e\u6d41\uff0c\u5747\u672a\u53d1\u73b0\u95ee\u9898\u3002 <\/p>\n

    \u70e7\u5f55\u56de2021\u5e74\u7684\u8001\u56fa\u4ef6\uff0c\u53d1\u73b0\u5176\u4ed6\u6307\u4ee4\u90fd\u4e0d\u4f1a\u5b58\u5728\u7c7b\u4f3c\u95ee\u9898\uff0c\u8fde\u7eed\u53d1\u9001\u6570\u5343\u4e2a\u6307\u4ee4\u4e4b\u540eTFC\u4ecd\u7136\u80fd\u591f\u6b63\u5e38\u5de5\u4f5c\u3002\u4e5f\u5c31\u662f\u8bf4\u53ea\u5728\u65b0\u56fa\u4ef6\u7684 “cmd”: “ai_bulk_read”\u6307\u4ee4\u6267\u884c\u65f6\u624d\u4f1a\u51fa\u73b0\u8fd9\u4e2a\u95ee\u9898\u3002 <\/p>\n

    \u8fd9\u4e2a\u95ee\u9898\u6307\u4ee4\u65f6\u53ea\u662f\u591a\u6267\u884c\u4e86int TFCCallbackAiBulkRead(cJSON* root, cJSON* retObj)\u8fd9\u4e2a\u51fd\u6570\u3002\u90a3\u4e48\u95ee\u9898\u5c31\u96c6\u4e2d\u5728\u4e86\u91cd\u70b9\u6392\u67e5\u8fd9\u4e2a\u51fd\u6570\u4e0a\u3002 <\/p>\n

    \u8fd9\u4e2a\u51fd\u6570\u7684\u4ee3\u7801\u5982\u4e0b\uff08\u5220\u9664\u90e8\u5206\u8ddf\u672c\u95ee\u9898\u65e0\u5173\u7684\u7eaf\u4e1a\u52a1\u4ee3\u7801\u4ee5\u53ca\u90e8\u5206\u6545\u969c\u5f02\u5e38\u5904\u7406\u4ee3\u7801\uff09\uff1a <\/p>\n

    \n

    int TFCCallbackAiBulkRead(cJSON* root, cJSON* retObj)
    {   
        int i;
        int ch;
        cJSON* channel = cJSON_GetObjectItem(root,”channel”);
        if(channel==NULL)
        {
            cJSON_AddStringToObject(retObj, “report”, “channel object is necessary.” );
            return 0;
        }
        int arraySize = cJSON_GetArraySize(channel);
        for(i=0;i<arraySize;i++)\/\/\u5df2\u7ecf\u8003\u8651\u4e86arraySize=0\u7684\u60c5\u51b5
        {
            ch = cJSON_GetArrayItem(channel, i)->valueint;
            bulkAiCfg.channel[i] = ch;
        }
        for(;i<16;i++)
        {
            bulkAiCfg.channel[i] = -1;
        }
        char* msgPtr;
        if(cJSON_GetObjectItem(root,”msg_id”))
        {
            msgPtr = cJSON_GetObjectItem(root, “msg_id”)->valuestring;
            if(strlen(msgPtr)>32)
            {
                cJSON_AddStringToObject(retObj, “report”, “msg_id is too long”);
                return 0;
            }
            strcpy(bulkAiCfg.msg_id,msgPtr);
        }
        else strcpy(bulkAiCfg.msg_id,””);
       
        if(cJSON_GetObjectItem(root,”max_bulk”)) bulkAiCfg.max_bulk = cJSON_GetObjectItem(root,”max_bulk”)->valueint;
        else bulkAiCfg.max_bulk = 0;
       
        cJSON_AddItemToObject(retObj, “channel”, channel);
        cJSON_AddNumberToObject(retObj, “bulk_len”, HALF_BUFFER_LEN );
       
        if(arraySize) bulkAiCfg.bulk_enabled = 1;
        else bulkAiCfg.bulk_enabled = 0;
        return 1;
    }<\/p>\n<\/blockquote>\n

    \u8fd9\u4e2a\u51fd\u6570\u603b\u4f53\u7684\u903b\u8f91\u662f\u5c06\u63a5\u53d7\u5230\u7684json\u5bf9\u8c61root\u4e2d\u7684\u5fc5\u8981\u5143\u7d20\u63d0\u53d6\u51fa\u6765\u5b58\u5728bulkAiCfg\u7ed3\u6784\u4f53\u4e2d\uff08\u5176\u4ed6\u4e1a\u52a1\u5904\u7406\u903b\u8f91\u6839\u636e\u8fd9\u4e2a\u7ed3\u6784\u4f53\u7684\u4fe1\u606f\u6765\u89e6\u53d1\uff09\uff0c\u5e76\u628a\u8fd4\u56de\u503cretObj\u7684\u4fe1\u606f\u7ed9\u586b\u5145\u6ee1\uff0c\u56de\u590d\u7ed9PC\u3002<\/p>\n

    \u6574\u4f53\u7684\u4ee3\u7801\u903b\u8f91\u4e5f\u662f\u8ddf\u5176\u4ed6\u7684\u5904\u7406\u51fd\u6570\u76f8\u4f3c\uff0c\u552f\u72ec\u4e0d\u4e00\u81f4\u7684\u662fchannel\u5bf9\u8c61\u3002channel\u5bf9\u8c61\u5728\u63a5\u6536\u5904\u7406\u5e76\u5b58\u653e\u5230\u4e86bulkAiCfg.channel\u6570\u7ec4\u4e4b\u540e\uff0c\u53c8\u8f6c\u800c\u53d1\u9001\u4e86\u56de\u53bb\uff0c\u6dfb\u52a0\u5230\u4e86retObj\u4e2d\u3002 <\/p>\n

    \u6709\u6ca1\u6709\u53ef\u80fd\u662fchannel\u5bf9\u8c61\u88ab\u5355\u72ec\u63d0\u53d6\u51fa\u6765\uff0c\u9700\u8981\u901a\u8fc7cJSON_Delete\u88ab\u56de\u6536\u5462\uff1f\u8bd5\u7740\u5728\u4f7f\u7528\u5b8cchannel\u4e4b\u540ecJSON_Delete\u6389channel\uff0c\u5728\u6700\u540e\u7684return 1\u4e4b\u524d\u589e\u52a0cJSON_Delete(channel)\u7684\u8bed\u53e5\uff0c\u7ed3\u679c\u5982\u4e0b\uff1a <\/p>\n

    \n

    {“cmd”:”ai_bulk_read”,”status”:1,”time_stamp”:3488} <\/p>\n

    {“cmd”:”ai_bulk_read”,”status”:1,”time_stamp”:3503} <\/p>\n

    {“cmd”:”ai_bulk_read”,”status”:1,”time_stamp”:3518} <\/p>\n

    {“cmd”:”ai_bulk_read”,”status”:1,”time_stamp”:3533} <\/p>\n

    {“cmd”:”ai_bulk_read”,”status”:1,”time_stamp”:3548} <\/p>\n

    {“cmd”:”ai_bulk_read”,”status”:1,”time_stamp”:3563} <\/p>\n

    {“cmd”:”ai_bulk_read”,”status”:1,”time_stamp”:3578} <\/p>\n

    {“cmd”:”ai_bulk_read”,”status”:1,”time_stamp”:3598} <\/p>\n

    {“cmd”:”ai_bulk_read”,”status”:1,”time_stamp”:3613}<\/p>\n<\/blockquote>\n

    \u56de\u590d\u7684\u6d88\u606f\u53d8\u5f97\u51fa\u5947\u7684\u77ed\uff0c\u521a\u521a\u6dfb\u52a0\u7684\u201cbulk_len\u201d\u5bf9\u8c61\u90fd\u4e0d\u89c1\u4e86\u3002\u4e5f\u5c31\u662f\u8bf4cJSON_Delete(channel)\u8bed\u53e5\uff0c\u4e0d\u4ec5\u56de\u6536\u4e86channel\u5bf9\u8c61\uff0c\u8fd8\u56de\u6536\u4e86\u63a5\u4e0b\u6765\u7684\u201cbulk_len\u201d\u5bf9\u8c61\u3002\u81f3\u4e8e\u540e\u9762\u7684”status”\u5bf9\u8c61\u4e3a\u4ec0\u4e48\u6ca1\u6709\u88ab\u5220\u9664\uff0c\u539f\u56e0\u4e5f\u7b80\u5355\uff0c\u56e0\u4e3acJSON_Delete\u53d1\u751f\u5728”status”\u5bf9\u8c61\u88ab\u6dfb\u52a0\u4e4b\u524d\uff0c\u6267\u884ccJSON_Delete\u65f6”status”\u5bf9\u8c61\u8fd8\u6ca1\u88ab\u52a0\u5165\u5230retObj\u4e2d\u3002 <\/p>\n

    \"3\" <\/p>\n

    \u5355\u6b65\u8c03\u8bd5\u67e5\u770bchannel\u5bf9\u8c61\uff0c\u53d1\u73b0channel\u5bf9\u8c61\u5176\u5b9e\u662f\u4e00\u4e2a\u94fe\u8868\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48cJSON_Delete(channel)\u8bed\u53e5\u6267\u884c\u4e4b\u540e\uff0c\u4e0d\u53ea\u662fchannel\u5bf9\u8c61\u88ab\u5220\u9664\uff0c\u201cbulk_len\u201d\u5bf9\u8c61\u4e5f\u88ab\u91ca\u653e\u7684\u539f\u56e0\u3002 <\/p>\n

    \u604d\u7136\u5927\u609f<\/h1>\n

    \u641e\u6e05\u695a\u4e86cJSON\u5bf9\u8c61\u5176\u5b9e\u662f\u4ee5\u94fe\u8868\u65b9\u5f0f\u8fd0\u4f5c\u7684\u4e4b\u540e\uff0c\u6574\u4e2a\u95ee\u9898\u4f3c\u4e4e\u53d8\u5f97\u660e\u6717\u8d77\u6765\uff1a <\/p>\n

      \n
    1. channel\u5bf9\u8c61\u7684\u5185\u5bb9\u662f\u4e2a\u6570\u7ec4\uff0c\u6211\u4eec\u83b7\u53d6\u5b83\u4e5f\u662f\u4e3a\u4e86\u62ff\u5230\u6570\u7ec4\u91cc\u9762\u7684\u5185\u5bb9\u3002\n
    2. \u5f53\u6211\u4eec\u83b7\u53d6root\u5bf9\u8c61\u4e2d\u7684channel\u5bf9\u8c61\u4e4b\u540e\uff0c\u5176\u5b9e\u83b7\u53d6\u7684\u4e0d\u53ea\u662fchannel\u5bf9\u8c61\u4e2d\u7684\u6570\u7ec4\uff0c\u8fd8\u6709\u5b83\u7684next\u3001prev\u8282\u70b9\u4fe1\u606f\u3002\u53ea\u4e0d\u8fc7\u6211\u4eec\u53ea\u4f7f\u7528\u4e86channel\u5bf9\u8c61\u4e2d\u7684\u6570\u7ec4\u800c\u5df2\uff0c\u5b83\u7684next\u3001prev\u8282\u70b9\u4fe1\u606f\u7531cJSON.c\u5e93\u6587\u4ef6\u6765\u7ef4\u62a4\u3002\n
    3. \u5f53\u6211\u4eec\u5c06root\u4e2d\u83b7\u53d6\u5230\u7684channel\u5bf9\u8c61\u6dfb\u52a0\u8fdbretObj\u5bf9\u8c61\u540e\uff0cchannel\u5bf9\u8c61\u4e2d\u7684\u6570\u7ec4\u4fe1\u606f\u5f53\u7136\u4e0d\u53d8\uff0c\u4f46\u5b83\u7684next\u3001prev\u8282\u70b9\u4fe1\u606f\u88ab\u7ef4\u62a4\u6210\u4e86retObj\u5bf9\u8c61\u7684\u524d\u540e\u8282\u70b9\u4fe1\u606f\u3002\n
    4. root\u4ee5\u53caretObj\u5bf9\u8c61\u90fd\u4f7f\u7528\u5b8c\u6210\u4e4b\u540e\uff0c\u90fd\u4f1a\u8c03\u7528cJSON_Delete()\u51fd\u6570\u9012\u5f52\u91ca\u653e\u5bf9\u8c61\u4fe1\u606f\u3002\u4f46root\u5bf9\u8c61\u5728\u91ca\u653e\u5230channel\u8fd9\u4e2a\u5b50\u5bf9\u8c61\u65f6\uff0cchannel\u5b50\u5bf9\u8c61\u94fe\u8868\u7684next\u8282\u70b9\u5df2\u7ecf\u6307\u5411\u4e86retObj\u4e2d\u7684channel\u7684\u4e0b\u4e00\u4e2a\u8282\u70b9\u3002\u800c\u539f\u672c\u5728root\u4e2dchannel\u7684next\u8282\u70b9\u56e0\u4e3a\u5931\u53bb\u4e86\u6307\u9488\u94fe\uff0c\u65e0\u6cd5\u88ab\u91ca\u653e\u3002\n
    5. retObj\u5bf9\u8c61\u5728\u91ca\u653e\u5230channel\u5b50\u8282\u70b9\u65f6\uff0c\u5176\u5185\u5b58\u8981\u88ab\u7b2c\u4e8c\u904d\u91ca\u653e\u3002\u4f46\u5728\u4e4b\u524droot\u9012\u5f52\u91ca\u653e\u65f6\u5176\u5185\u5b58\u5df2\u7ecf\u88ab\u91ca\u653e\uff0c\u6240\u4ee5\u8fd9\u91cc\u53ef\u80fd\u4f1a\u629b\u51fa\u5f02\u5e38\uff08\u5728\u672c\u6848\u4f8b\u4e2d\u6ca1\u6709\u629b\u51fa\uff09\u3002\n
    6. root\u4e2dchannel\u7684\u4e0b\u4e00\u4e2a\u8282\u70b9\u5728\u5185\u5b58\u4e2d\u65e0\u6cd5\u91ca\u653e\u7684\u540e\u679c\u5c31\u662f\uff0c\u6bcf\u6765\u4e00\u6761\u65b0\u7684\u6307\u4ee4\uff0c\u5806\u7684\u5269\u4f59\u7a7a\u95f4\u53d8\u5c0f\u4e00\u70b9\u70b9\uff0c\u76f4\u5230\u5806\u88ab\u5168\u90e8\u4f7f\u7528\u5b8c\uff0c\u7a0b\u5e8f\u4fbf\u51fa\u73b0\u4e86\u8089\u773c\u53ef\u89c1\u7684\u5f02\u5e38\u3002<\/li>\n<\/ol>\n

      \u4e86\u89e3\u6e05\u695a\u4e86\u539f\u7406\u4e4b\u540e\uff0c\u89e3\u51b3\u7684\u65b9\u6848\u4e5f\u7b80\u5355\uff0c\u5c31\u662f\u5728retObj\u5bf9\u8c61\u4e2d\u4e0d\u8981\u518d\u590d\u7528channel\u5bf9\u8c61\u5373\u53ef\u3002\u6211\u4eec\u5728\u51fd\u6570\u4e2d\u6dfb\u52a0\u4e86\u4e00\u4e2acJSON* channel_dup\u6570\u7ec4\u5bf9\u8c61\uff0c\u590d\u5236\u4e86channel\u7684\u5185\u5bb9\u3002 <\/p>\n

      \n

      cJSON* channel_dup = cJSON_CreateArray(); <\/p>\n

      for(i=0;i<arraySize;i++) <\/p>\n

      { <\/p>\n

          if(bulkAiCfg.channel[i]<0) break; <\/p>\n

          cJSON_AddItemToArray(channel_dup,cJSON_CreateNumber(bulkAiCfg.channel[i])); <\/p>\n

      } <\/p>\n

      cJSON_AddItemToObject(retObj, “channel”, channel_dup);<\/p>\n<\/blockquote>\n

      \u628a\u8fd9\u6bb5\u4ee3\u7801\u6dfb\u52a0\u8fdbTFCCallbackAiBulkRead\u51fd\u6570\u4e4b\u540e\uff0c\u95ee\u9898\u89e3\u51b3\u3002\u628a\u5806\u4ece0x5000\u8c03\u4f4e\u52300x4000\uff0c\u7a0b\u5e8f\u4f9d\u7136\u80fd\u6b63\u5e38\u8fd0\u884c\uff0c\u6301\u7eed\u53d1\u9001\u51e0\u4e07\u6761\u6307\u4ee4\u90fd\u4e0d\u518d\u53d1\u751f\u5f02\u5e38\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

      \u6700\u8fd1TFC\uff08\u5177\u4f53\u4ecb\u7ecd\u53c2\u89c1\u8fd9\u91cc\uff09\u6709\u4e86\u65b0\u7684\u9700\u6c42\uff0c\u9700\u898116\u4e2a\u901a\u9053\u540c\u65f6\u4ee51kHz\u4ee5\u4e0a\u7684\u91c7\u6837\u7387\u8fdb\u884c\u6570\u636e\u91c7\u96c6\u3002\u4ee5\u524dAI\u8f6c\u6362\u8fd9\u4e00\u90e8\u5206\u7684\u5185\u5bb9\u6ca1\u6709\u542f\u7528DMA\uff0c\u4e0d\u652f\u6301AI\u6570\u636e\u7684\u6279\u91cf\u4f20\u9001\uff0c\u6700\u5927\u80fd\u652f\u6301\u7684\u91c7\u96c6\u9891\u7387\u7ea6\u4e3a\u6bcf\u79d25\u6b21\u3002\u4f46\u57fa\u4e8e\u65b0\u7684\u9700\u6c42\u5f00\u53d1\u4e86\u5b9a\u65f6\u5668\u89e6\u53d1ADC\u91c7\u96c6-ADC\u8f6c\u6362\u5b8c\u6210\u89e6\u53d1DMA\u4f20\u9001-DMA\u4f20\u9001\u4e00\u534a\u89e6\u53d1DMA\u4e2d\u65ad...<\/p>\n","protected":false},"author":1,"featured_media":-6269,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[],"views":1996,"_links":{"self":[{"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/wp\/v2\/posts\/6269"}],"collection":[{"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6269"}],"version-history":[{"count":2,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/wp\/v2\/posts\/6269\/revisions"}],"predecessor-version":[{"id":6271,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/wp\/v2\/posts\/6269\/revisions\/6271"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/"}],"wp:attachment":[{"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}