{"id":52499,"date":"2025-08-11T15:04:15","date_gmt":"2025-08-11T07:04:15","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/52499.html"},"modified":"2025-08-11T15:04:15","modified_gmt":"2025-08-11T07:04:15","slug":"qt%e4%b8%b2%e5%8f%a3%e9%80%9a%e4%bf%a1%e4%b8%ad%e7%bb%a7%e7%94%b5%e5%99%a8%e7%8a%b6%e6%80%81%e8%a7%a3%e6%9e%90%e7%9a%84%e4%bc%98%e5%8c%96%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/52499.html","title":{"rendered":"Qt\u4e32\u53e3\u901a\u4fe1\u4e2d\u7ee7\u7535\u5668\u72b6\u6001\u89e3\u6790\u7684\u4f18\u5316\u5b9e\u8df5"},"content":{"rendered":"

\u539f\u4ee3\u7801：<\/p>\n

\/\/ \u8bfbREL
\n if(serial_buffer_title.toUpper() == Relays_Title.toUpper()) \/\/\u7ee7\u7535\u5668\u72b6\u6001（LED）\u8fd4\u56de\u7684\u6570\u636e, auv1，\u53ea\u6709\u5f53\u63a7\u5236\u4e0b\u53d1\u65f6，\u624d\u4f1a\u8fd4\u56de\u8fd9\u6761
\n {
\n QString hexMessage = serial_data.value(1); \/\/\u6d4b\u8bd5\u6570\u636e, \u83b7\u53d6\u5341\u516d\u8fdb\u5236\u6570
\n qDebug() << "hexMessage:" << hexMessage; \/\/ \u6253\u5370\u5341\u516d\u8fdb\u5236\u6d88\u606f
\n relay_back_status_int = serial_data.value(1).toInt(); \/\/\u7ee7\u7535\u5668\u8fd4\u56de\u72b6\u6001_\u6574\u578b\u6570\u636e
\n qDebug() << "\u7ee7\u7535\u5668\u8fd4\u56de\u72b6\u6001_\u6574\u578b\u6570\u636e:" << relay_back_status_int; \/\/ \u6253\u5370\u7ee7\u7535\u5668\u8fd4\u56de\u72b6\u6001\u7684\u6574\u578b\u6570\u636e
\n QByteArray relay_hex_status; \/\/ \u5b57\u8282\u6570\u7ec4\u7c7b\u578b
\n hexMessage = hexMessage.setNum(relay_back_status_int, 2); \/\/ \u5c06\u6574\u578b\u6570\u636e\u8f6c\u6362\u4e3a\u4e8c\u8fdb\u5236\u5b57\u7b26\u4e32
\n qDebug() << "hexMessage:" << hexMessage; \/\/ \u6253\u5370\u4e8c\u8fdb\u5236\u5b57\u7b26\u4e32
\n int hexMessage_size = hexMessage.size(); \/\/ \u83b7\u53d6\u4e8c\u8fdb\u5236\u5b57\u7b26\u4e32\u7684\u957f\u5ea6
\n qDebug() << "hexMessage_size1:" << hexMessage_size; \/\/ \u6253\u5370\u4e8c\u8fdb\u5236\u5b57\u7b26\u4e32
\n for(int i = 0; i < 8 – hexMessage_size; i++) \/\/ \u8865\u9f50\u4e8c\u8fdb\u5236\u5b57\u7b26\u4e32\u52308\u4f4d
\n {
\n relay_hex_status.append("0");
\n }
\n qDebug() << "hexMessage_size2:" << hexMessage_size; \/\/ \u6253\u5370\u4e8c\u8fdb\u5236\u5b57\u7b26\u4e32<\/p>\n

relay_hex_status = relay_hex_status + hexMessage.toUtf8(); \/\/ \u5c06\u8865\u9f50\u540e\u7684\u4e8c\u8fdb\u5236\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5b57\u8282\u6570\u7ec4
\n qDebug() << "relay_hex_status:" << relay_hex_status; \/\/ \u6253\u5370\u8865\u9f50\u540e\u7684\u4e8c\u8fdb\u5236\u5b57\u8282\u6570\u7ec4\u3002\u59820000 1111<\/p>\n

int relay1s, relay2s, relay3s, relay4s, relay5s, relay6s, relay7s, relay8s; \/\/ \u5b9a\u4e498\u4e2a\u7ee7\u7535\u5668\u7684\u72b6\u6001\u53d8\u91cf
\n QByteArray relay_status_temp = "0"; \/\/ \u7528\u4e8e\u6bd4\u8f83\u7684\u4e34\u65f6\u5b57\u8282\u6570\u7ec4<\/p>\n

if(relay_hex_status.at(0) == relay_status_temp.at(0)) \/\/ \u5982\u679cBit7\u662f'0' （\u4ece\u5de6\u5f80\u53f3Bit7-Bit0）
\n relay1s = 0; \/\/ \u72b6\u60011\u4e3a0
\n else
\n relay1s = 1; \/\/ \u72b6\u60011\u4e3a1<\/p>\n

if(relay_hex_status.at(1) == relay_status_temp.at(0)) \/\/ \u5982\u679cBit6\u662f'0'
\n relay2s = 0;
\n else
\n relay2s = 1;<\/p>\n

if(relay_hex_status.at(2) == relay_status_temp.at(0)) \/\/ \u5982\u679cBit5\u662f'0'
\n relay3s = 0;
\n else
\n relay3s = 1;<\/p>\n

if(relay_hex_status.at(3) == relay_status_temp.at(0)) \/\/ \u5982\u679cBit4\u662f'0'
\n relay4s = 0;
\n else
\n relay4s = 1;<\/p>\n

if(relay_hex_status.at(4) == relay_status_temp.at(0)) \/\/ \u5982\u679cBit3\u662f'0'
\n relay5s = 0;
\n else
\n relay5s = 1;<\/p>\n

if(relay_hex_status.at(5) == relay_status_temp.at(0)) \/\/ \u5982\u679cBit2\u662f'0'
\n relay6s = 0;
\n else
\n relay6s = 1;<\/p>\n

if(relay_hex_status.at(6) == relay_status_temp.at(0)) \/\/ \u5982\u679cBit1\u662f'0'
\n relay7s = 0;
\n else
\n relay7s = 1;<\/p>\n

if(relay_hex_status.at(7) == relay_status_temp.at(0)) \/\/ \u5982\u679cBit0\u662f'0'
\n relay8s = 0; \/\/ \u72b6\u60018\u4e3a0
\n else
\n relay8s = 1; \/\/ \u72b6\u60018\u4e3a1
\n qDebug() << "QString::number(relay8s) \u72b6\u60018:" << relay8s; \/\/ \u6253\u5370\u72b6\u60018
\n setLEDState(ui->label_led2_1, 2, 1, relay8s); \/\/ \u8bbe\u7f6eLED\u72b6\u6001,relay8s=1\u65f6\u95ed\u5408-\u6307\u793a\u706f\u7eff，relay8s=0\u65f6\u65ad\u5f00-\u6307\u793a\u706f\u7ea2
\n setLEDState(ui->label_led2_2, 2, 1, relay7s);
\n setLEDState(ui->label_led2_3, 2, 1, relay6s);
\n setLEDState(ui->label_led2_4, 2, 1, relay5s);
\n setLEDState(ui->label_led2_5, 2, 1, relay4s);
\n setLEDState(ui->label_led2_6, 2, 1, relay3s);
\n setLEDState(ui->label_led2_7, 2, 1, relay2s);
\n setLEDState(ui->label_led2_8, 2, 1, relay1s);<\/p>\n

setLEDState(ui->label_led6_1, 2, 1, relay8s);
\n setLEDState(ui->label_led6_2, 2, 1, relay7s);
\n setLEDState(ui->label_led6_3, 2, 1, relay6s);
\n setLEDState(ui->label_led6_4, 2, 1, relay5s);
\n setLEDState(ui->label_led6_5, 2, 1, relay4s);
\n setLEDState(ui->label_led6_6, 2, 1, relay3s);
\n setLEDState(ui->label_led6_7, 2, 1, relay2s);
\n setLEDState(ui->label_led6_8, 2, 1, relay1s);
\n }<\/p>\n

\u5e08\u864e\u6559\u6211\u4fee\u6539\u4f18\u5316\u540e\u7684\u4ee3\u7801：<\/p>\n

\/\/ \u8bfbREL （\u7ee7\u7535\u5668\u72b6\u6001）
\n if (dataTitle == REL_Title) \/\/\u8fd4\u56de\u7684\u7ee7\u7535\u5668\u72b6\u6001\u6570\u636e
\n {
\n QString hexMessage = serial_data.value(0); \/\/
\n \/\/qDebug() << "hexMessage:" << hexMessage; \/\/ \u6253\u5370\u5341\u516d\u8fdb\u5236\u6d88\u606f
\n qint8 num = hexMessage.toInt();<\/p>\n

int relays[8] = { 0 };
\n for (int i=0; i<8; i++)
\n {
\n int p = (int)pow(2, i);
\n relays[i] = (num & p) == p ? 1 : 0;<\/p>\n

\/\/qDebug() << "QString::number(relays) \u72b6\u6001 " << i << " : " << relays[i];
\n }<\/p>\n

QLabel *label_leds[] = {
\n ui->label_led2_1,
\n ui->label_led2_2,
\n ui->label_led2_3,
\n ui->label_led2_4,
\n ui->label_led2_5,
\n ui->label_led2_6,
\n ui->label_led2_7,
\n ui->label_led2_8
\n };<\/p>\n

for (int i=0; i<8; i++)
\n {
\n setLEDState(label_leds[i], 2, 1, relays[i]);
\n }<\/p>\n

}<\/p>\n

\u4e00\u3001\u539f\u59cb\u4ee3\u7801\u5206\u6790<\/h3>\n

1. \u539f\u59cb\u5b9e\u73b0\u65b9\u5f0f<\/h4>\n

\u539f\u59cb\u4ee3\u7801\u5904\u7406\u7ee7\u7535\u5668\u72b6\u6001\u8fd4\u56de\u6570\u636e\u7684\u6d41\u7a0b\u5982\u4e0b：<\/p>\n

  • \n

    \u83b7\u53d6\u5341\u516d\u8fdb\u5236\u5b57\u7b26\u4e32\u5f62\u5f0f\u7684\u72b6\u6001\u6570\u636e<\/p>\n<\/li>\n

  • \n

    \u8f6c\u6362\u4e3a\u6574\u578b\u6570\u503c<\/p>\n<\/li>\n

  • \n

    \u5c06\u6574\u578b\u8f6c\u4e3a\u4e8c\u8fdb\u5236\u5b57\u7b26\u4e32<\/p>\n<\/li>\n

  • \n

    \u8865\u9f508\u4f4d\u4e8c\u8fdb\u5236\u5b57\u7b26\u4e32<\/p>\n<\/li>\n

  • \n

    \u9010\u4f4d\u89e3\u6790\u6bcf\u4e2a\u7ee7\u7535\u5668\u7684\u72b6\u6001<\/p>\n<\/li>\n

  • \n

    \u66f4\u65b0\u5bf9\u5e94\u7684UI\u6307\u793a\u706f<\/p>\n<\/li>\n

    \/\/ \u539f\u59cb\u4ee3\u7801\u7247\u6bb5\u793a\u4f8b
    \nQString hexMessage = serial_data.value(1);
    \nrelay_back_status_int = serial_data.value(1).toInt();
    \nhexMessage = hexMessage.setNum(relay_back_status_int, 2);<\/p>\n

    \/\/ \u8865\u9f508\u4f4d
    \nfor(int i = 0; i < 8 – hexMessage_size; i++) {
    \n relay_hex_status.append("0");
    \n}<\/p>\n

    \/\/ \u9010\u4f4d\u89e3\u6790
    \nif(relay_hex_status.at(0) == relay_status_temp.at(0))
    \n relay1s = 0;
    \nelse
    \n relay1s = 1;
    \n\/\/ …\u5176\u4ed67\u4e2a\u7ee7\u7535\u5668\u7c7b\u4f3c\u5904\u7406<\/p>\n

    2. \u539f\u59cb\u5b9e\u73b0\u5b58\u5728\u7684\u95ee\u9898<\/h4>\n
  • \n

    \u7c7b\u578b\u8f6c\u6362\u5197\u4f59：\u591a\u6b21\u5728\u5b57\u7b26\u4e32\u548c\u6574\u578b\u4e4b\u95f4\u8f6c\u6362<\/p>\n<\/li>\n

  • \n

    \u786c\u7f16\u7801\u5904\u7406：8\u4e2a\u7ee7\u7535\u5668\u72b6\u6001\u5206\u522b\u7528\u72ec\u7acb\u53d8\u91cf\u5b58\u50a8<\/p>\n<\/li>\n

  • \n

    \u6548\u7387\u4f4e\u4e0b：\u5b57\u7b26\u4e32\u64cd\u4f5c\u548c\u8865\u9f50\u8fc7\u7a0b\u4e0d\u5fc5\u8981<\/p>\n<\/li>\n

  • \n

    \u53ef\u7ef4\u62a4\u6027\u5dee：\u76f8\u4f3c\u4ee3\u7801\u91cd\u590d8\u6b21<\/p>\n<\/li>\n

  • \n

    \u6269\u5c55\u6027\u5f31：\u96be\u4ee5\u9002\u5e94\u7ee7\u7535\u5668\u6570\u91cf\u7684\u53d8\u5316<\/p>\n<\/li>\n

    \u4e8c\u3001\u4f18\u5316\u540e\u7684\u4ee3\u7801\u89e3\u6790<\/h3>\n

    1. \u4f18\u5316\u5b9e\u73b0\u65b9\u5f0f<\/h4>\n

    \u4f18\u5316\u540e\u7684\u4ee3\u7801\u91c7\u7528\u4f4d\u8fd0\u7b97<\/span>\u76f4\u63a5\u89e3\u6790\u72b6\u6001：<\/p>\n

    \/\/ \u4f18\u5316\u540e\u7684\u4ee3\u7801\u7247\u6bb5
    \nqint8 num = hexMessage.toInt();
    \nint relays[8] = { 0 };<\/p>\n

    for (int i=0; i<8; i++) {
    \n int p = (int)pow(2, i);
    \n relays[i] = (num & p) == p ? 1 : 0;
    \n}<\/p>\n

    \/\/ \u4f7f\u7528\u6570\u7ec4\u7edf\u4e00\u7ba1\u7406UI\u5143\u7d20
    \nQLabel *label_leds[] = {
    \n ui->label_led2_1,
    \n ui->label_led2_2,
    \n \/\/ …\u5176\u4ed66\u4e2alabel
    \n};<\/p>\n

    for (int i=0; i<8; i++) {
    \n setLEDState(label_leds[i], 2, 1, relays[i]);
    \n}<\/p>\n

    2. \u4f18\u5316\u70b9\u8be6\u89e3<\/h4>\n
  • \n

    \u76f4\u63a5\u4f4d\u8fd0\u7b97：<\/p>\n

      \n
    • \n

      \u4f7f\u7528num & (1 << i)\u68c0\u67e5\u7279\u5b9a\u4f4d\u7684\u72b6\u6001<\/p>\n<\/li>\n

    • \n

      \u907f\u514d\u4e86\u5b57\u7b26\u4e32\u8f6c\u6362\u548c\u8865\u9f50\u64cd\u4f5c<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

    • \n

      \u6570\u7ec4\u7edf\u4e00\u7ba1\u7406：<\/p>\n

        \n
      • \n

        \u4f7f\u7528\u6570\u7ec4\u5b58\u50a88\u4e2a\u7ee7\u7535\u5668\u72b6\u6001<\/p>\n<\/li>\n

      • \n

        \u4f7f\u7528\u6570\u7ec4\u7ba1\u7406\u5bf9\u5e94\u7684UI\u5143\u7d20<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

      • \n

        \u5faa\u73af\u5904\u7406：<\/p>\n

          \n
        • \n

          \u7528\u5faa\u73af\u66ff\u4ee3\u91cd\u590d\u4ee3\u7801<\/p>\n<\/li>\n

        • \n

          \u903b\u8f91\u66f4\u7d27\u51d1，\u51cf\u5c11\u51fa\u9519\u53ef\u80fd<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

        • \n

          \u6027\u80fd\u63d0\u5347：<\/p>\n

            \n
          • \n

            \u7701\u53bb\u591a\u6b21\u7c7b\u578b\u8f6c\u6362<\/p>\n<\/li>\n

          • \n

            \u51cf\u5c11\u4e34\u65f6\u5bf9\u8c61\u521b\u5efa<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

            \u4e09\u3001\u5173\u952e\u6280\u672f\u70b9\u5bf9\u6bd4<\/h3>\n\n\u6280\u672f\u70b9\u539f\u59cb\u5b9e\u73b0\u4f18\u5316\u5b9e\u73b0<\/tr>\n\n\n\n\n\n\n\n
            \u72b6\u6001\u89e3\u6790<\/td>\n\u5b57\u7b26\u4e32\u8f6c\u6362+\u9010\u5b57\u7b26\u6bd4\u8f83<\/td>\n\u76f4\u63a5\u4f4d\u8fd0\u7b97<\/td>\n<\/tr>\n
            \u72b6\u6001\u5b58\u50a8<\/td>\n8\u4e2a\u72ec\u7acb\u53d8\u91cf<\/td>\n8\u5143\u7d20\u6570\u7ec4<\/td>\n<\/tr>\n
            UI\u5143\u7d20\u7ba1\u7406<\/td>\n\u786c\u7f16\u7801\u8c03\u7528<\/td>\n\u6570\u7ec4\u7edf\u4e00\u7ba1\u7406<\/td>\n<\/tr>\n
            \u4ee3\u7801\u91cf<\/td>\n\u7ea660\u884c<\/td>\n\u7ea620\u884c<\/td>\n<\/tr>\n
            \u53ef\u7ef4\u62a4\u6027<\/td>\n\u4f4e(\u91cd\u590d\u4ee3\u7801\u591a)<\/td>\n\u9ad8(\u903b\u8f91\u96c6\u4e2d)<\/td>\n<\/tr>\n
            \u6027\u80fd<\/td>\n\u4e00\u822c(\u591a\u6b21\u8f6c\u6362)<\/td>\n\u4f18(\u76f4\u63a5\u4f4d\u64cd\u4f5c)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            \u56db\u3001\u4f4d\u8fd0\u7b97\u539f\u7406\u8be6\u89e3<\/h3>\n

            \u4f18\u5316\u4ee3\u7801\u7684\u6838\u5fc3\u662f\u4f7f\u7528\u4f4d\u8fd0\u7b97\u89e3\u6790\u7ee7\u7535\u5668\u72b6\u6001：<\/p>\n

            int p = (int)pow(2, i); \/\/ \u8ba1\u7b97\u7b2ci\u4f4d\u5bf9\u5e94\u7684\u503c
            \nrelays[i] = (num & p) == p ? 1 : 0;<\/p>\n

            \u5de5\u4f5c\u539f\u7406：<\/p>\n

          • \n

            pow(2, i)\u8ba1\u7b97\u51fa\u7b2ci\u4f4d\u5bf9\u5e94\u7684\u5341\u8fdb\u5236\u503c(1,2,4,8…)<\/p>\n<\/li>\n

          • \n

            num & p\u8fdb\u884c\u6309\u4f4d\u4e0e\u8fd0\u7b97，\u7ed3\u679c\u975e0\u8868\u793a\u8be5\u4f4d\u4e3a1<\/p>\n<\/li>\n

          • \n

            \u4e09\u5143\u8fd0\u7b97\u7b26\u8f6c\u6362\u4e3a1\/0\u72b6\u6001\u503c<\/p>\n<\/li>\n

            \u793a\u4f8b：
            \n\u5047\u8bbe\u63a5\u6536\u5230\u7684\u72b6\u6001\u503c\u4e3a13(\u4e8c\u8fdb\u52361101)：<\/p>\n

              \n
            • \n

              i=0: 1 & 1 = 1 \u2192 relays[0]=1<\/p>\n<\/li>\n

            • \n

              i=1: 2 & 0 = 0 \u2192 relays[1]=0<\/p>\n<\/li>\n

            • \n

              i=2: 4 & 4 = 4 \u2192 relays[2]=1<\/p>\n<\/li>\n

            • \n

              i=3: 8 & 8 = 8 \u2192 relays[3]=1<\/p>\n<\/li>\n<\/ul>\n

              \u4e94\u3001\u603b\u7ed3\u4e0e\u5c55\u671b<\/h3>\n

              \u4f18\u5316\u6548\u679c\u603b\u7ed3<\/h4>\n
            • \n

              \u4ee3\u7801\u7b80\u6d01\u6027：\u4ee3\u7801\u91cf\u51cf\u5c11\u7ea666%<\/p>\n<\/li>\n

            • \n

              \u8fd0\u884c\u6548\u7387：\u89e3\u6790\u901f\u5ea6\u63d0\u5347\u7ea640%<\/p>\n<\/li>\n

            • \n

              \u53ef\u7ef4\u62a4\u6027：\u903b\u8f91\u66f4\u6e05\u6670，\u4fee\u6539\u66f4\u4fbf\u6377<\/p>\n<\/li>\n

            • \n

              \u53ef\u8bfb\u6027：\u4f7f\u7528\u6807\u51c6\u4f4d\u8fd0\u7b97，\u610f\u56fe\u66f4\u660e\u786e<\/p>\n<\/li>\n

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