{"id":98649,"date":"2024-10-30T16:00:10","date_gmt":"2024-10-30T08:00:10","guid":{"rendered":"\/\/www.viralrail.com\/?p=98649"},"modified":"2024-10-30T16:00:14","modified_gmt":"2024-10-30T08:00:14","slug":"lmkhydsjbwz","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/98649.html","title":{"rendered":"LORA\u6a21\u5757\u56de\u5e94\u7684\u6570\u636e\u4e0d\u5b8c\u6574"},"content":{"rendered":"\n

\u3000\u3000LORA\u6a21\u5757<\/strong>\u56de\u5e94\u7684\u6570\u636e\u4e0d\u5b8c\u6574\u53ef\u80fd\u662f\u7531\u591a\u79cd\u539f\u56e0\u5f15\u8d77\u7684\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u53ef\u80fd\u7684\u539f\u56e0\u548c\u89e3\u51b3\u65b9\u6cd5\uff1a<\/p>\n\n\n\n

\u3000\u3000LORA\u6a21\u5757\u4e4b\u95f4\u53ef\u4ee5\u901a\u8fc7CRC16\u6821\u9a8c\u6765\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002\u5982\u679c\u63a5\u6536\u5230\u7684\u6570\u636e\u5305\u9519\u8bef\uff0c\u53ef\u80fd\u662f\u56e0\u4e3aCRC16\u6821\u9a8c\u5931\u8d25\u3002\u89e3\u51b3\u65b9\u6cd5\u662f\u786e\u4fdd\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u90fd\u6b63\u786e\u8ba1\u7b97\u548c\u9a8c\u8bc1CRC16\u6821\u9a8c\u503c\u3002<\/p>\n\n\n\n

\u3000\u3000LORA\u6a21\u5757\u5728\u540c\u9891\u5e72\u6270\u7684\u60c5\u51b5\u4e0b\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u4f20\u8f93\u9519\u8bef\u3002\u89e3\u51b3\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u4e3b\u673a\u8f6e\u8be2\u65b9\u5f0f\u3001\u968f\u673a\u63a5\u5165\u6280\u672f\u3001\u78b0\u649e\u68c0\u6d4b\u6280\u672f\u548c\u4f18\u5316\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u7b49\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6a21\u5757\u5728\u63a5\u6536\u6a21\u5f0f\u4e0b\u53ef\u4ee5\u542f\u7528\u63a5\u6536\u673a\u8d85\u65f6\u529f\u80fd\u3002\u5982\u679c\u63a5\u6536\u673a\u5728\u9884\u5b9a\u4e49\u65f6\u95f4\u5185\u6ca1\u6709\u6536\u5230\u6709\u6548\u6570\u636e\u5305\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u4e0d\u5b8c\u6574\u3002\u89e3\u51b3\u65b9\u6cd5\u662f\u8c03\u6574\u63a5\u6536\u673a\u8d85\u65f6\u65f6\u95f4\uff0c\u786e\u4fdd\u5728\u5408\u7406\u7684\u65f6\u95f4\u5185\u80fd\u591f\u63a5\u6536\u5230\u6570\u636e\u5305\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u63a5\u6536\u6570\u636e\u65f6\uff0c\u9700\u8981\u5bf9\u63a5\u6536\u5230\u7684\u6570\u636e\u8fdb\u884c\u5904\u7406\uff0c\u5982\u89e3\u6790\u6570\u636e\u5305\u3001\u8fdb\u884c\u6570\u636e\u9a8c\u8bc1\u7b49\u64cd\u4f5c\u3002\u5982\u679c\u6570\u636e\u5904\u7406\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u9519\u8bef\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u4e0d\u5b8c\u6574\u3002\u89e3\u51b3\u65b9\u6cd5\u662f\u786e\u4fdd\u6570\u636e\u5904\u7406\u903b\u8f91\u6b63\u786e\uff0c\u5e76\u8fdb\u884c\u5fc5\u8981\u7684\u9519\u8bef\u5904\u7406\u3002<\/p>\n\n\n\n

\u3000\u3000\u4ee3\u7801\u5df2\u7ecf\u8c03\u901a\u4e86\uff0c\u4f46\u4ecd\u7136\u5b58\u5728\u6982\u7387\u6027\u7684\u95ee\u9898\u8bf4\u63a5\u6536\u5230\u7684\u6570\u636e\u5305\u9519\u8bef\u3002\u8fd9\u53ef\u80fd\u662f\u786c\u4ef6\u95ee\u9898\uff0c\u5982\u5c04\u9891\u6a21\u5757\u3001PLL\u548cPA\u6a21\u5757\u7684\u7a33\u5b9a\u6027\u95ee\u9898\u3002\u89e3\u51b3\u65b9\u6cd5\u662f\u68c0\u67e5\u786c\u4ef6\u8fde\u63a5\u548c\u6027\u80fd\uff0c\u5fc5\u8981\u65f6\u8fdb\u884c\u66f4\u6362\u6216\u4fee\u590d\u3002<\/p>\n\n\n\n

\u3000\u3000LORA\u6a21\u5757\u56de\u5e94\u7684\u6570\u636e\u4e0d\u5b8c\u6574\u53ef\u80fd\u662f\u7531\u6570\u636e\u5b8c\u6574\u6027\u6821\u9a8c\u3001\u540c\u9891\u5e72\u6270\u3001\u63a5\u6536\u673a\u8d85\u65f6\u3001\u6570\u636e\u5904\u7406\u9519\u8bef\u6216\u786c\u4ef6\u95ee\u9898\u5f15\u8d77\u7684\u3002\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u9700\u8981\u7efc\u5408\u8003\u8651\u786c\u4ef6\u548c\u8f6f\u4ef6\u5c42\u9762\u7684\u56e0\u7d20\uff0c\u5e76\u91c7\u53d6\u76f8\u5e94\u7684\u63aa\u65bd\u6765\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u51c6\u786e\u6027\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u3000\u3000\u4e00\u3001 \u5982\u4f55\u5728LoRa\u6a21\u5757\u4e2d\u5b9e\u73b0\u548c\u4f18\u5316CRC16\u6821\u9a8c\u4ee5\u63d0\u9ad8\u6570\u636e\u5b8c\u6574\u6027?<\/h2>\n\n\n\n

\u3000\u3000\u5728LoRa\u6a21\u5757\u4e2d\u5b9e\u73b0\u548c\u4f18\u5316CRC16\u6821\u9a8c\u4ee5\u63d0\u9ad8\u6570\u636e\u5b8c\u6574\u6027\uff0c\u53ef\u4ee5\u53c2\u8003\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u9009\u62e9\u5408\u9002\u7684CRC16\u7b97\u6cd5<\/strong>\uff1a\u6839\u636eISO\/IEC13239\u6807\u51c6\u5b9a\u4e49\u7684CRC\u751f\u6210\u516c\u5f0f\uff0c\u4f7f\u7528\u9002\u5408\u7684CRC16\u7b97\u6cd5\u8fdb\u884c\u6570\u636e\u6821\u9a8c\u3002\u5e38\u7528\u7684CRC16\u7b97\u6cd5\u6709\u591a\u9879\u5f0f\u6821\u9a8c\u548c\u67e5\u8868\u6cd5\u7b49\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u521d\u59cb\u5316CRC\u8ba1\u7b97<\/strong>\uff1a\u5728LoRa\u667a\u80fd\u7ec4\u7f51\u82af\u7247\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5411CRC_CR\u5bc4\u5b58\u5668\u5199\u5165\u7279\u5b9a\u503c\u6765\u9009\u62e9CRC16\u6a21\u5f0f\uff0c\u5e76\u521d\u59cb\u5316CRC\u8ba1\u7b97\u3002\u4f8b\u5982\uff0c\u5411CRC_RESULT[15:0]\u5199\u51650xFFFF\u4ee5\u521d\u59cb\u5316CRC\u8ba1\u7b97\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u6570\u636e\u8f93\u5165\u4e0e\u6821\u9a8c<\/strong>\uff1a\u5c06\u539f\u59cb\u6570\u636e\u4ee58\u4f4d\u300116\u4f4d\u621632\u4f4d\u7684\u7ec4\u5408\u65b9\u5f0f\u5199\u5165CRC_DATA\u5bc4\u5b58\u5668\u3002\u8fd9\u4e00\u6b65\u9aa4\u9700\u8981\u6309\u7167CRC_DATA\u5bc4\u5b58\u5668\u7684\u8bf4\u660e\u8fdb\u884c\u6570\u636e\u683c\u5f0f\u5316\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u8bfb\u53d6CRC\u7ed3\u679c<\/strong>\uff1a\u5b8c\u6210\u6570\u636e\u8f93\u5165\u540e\uff0c\u8bfb\u53d6CRCCR.FLAG\u6765\u786e\u5b9a\u7f16\u7801\u7684\u6570\u636e\u662f\u5426\u6b63\u786e\u3002\u5982\u679cCRC_FLAG=1.\u5219\u8868\u793a\u6821\u9a8c\u6210\u529f;\u5982\u679c\u4e3a0.\u5219\u8868\u793a\u6821\u9a8c\u5931\u8d25\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u4f18\u5316CRC\u8ba1\u7b97\u8fc7\u7a0b<\/strong>\uff1a\u4e3a\u4e86\u63d0\u9ad8\u6548\u7387\uff0c\u53ef\u4ee5\u4f7f\u7528\u67e5\u8868\u6cd5\u6765\u5b9e\u73b0CRC16\u6821\u9a8c\u3002\u8fd9\u79cd\u65b9\u6cd5\u901a\u8fc7\u9884\u5148\u8ba1\u7b97\u597d\u7684\u67e5\u8868\u6765\u5feb\u901f\u8ba1\u7b97\u51faCRC\u503c\uff0c\u4ece\u800c\u51cf\u5c11\u8ba1\u7b97\u65f6\u95f4\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u591a\u6b21\u6821\u9a8c\u4e0e\u5197\u4f59\u6570\u636e<\/strong>\uff1a\u4e3a\u4e86\u8fdb\u4e00\u6b65\u63d0\u9ad8\u6570\u636e\u5b8c\u6574\u6027\uff0c\u53ef\u4ee5\u5728\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u591a\u6b21\u8fdb\u884cCRC\u6821\u9a8c\uff0c\u5e76\u6536\u96c6\u5197\u4f59\u6570\u636e\u4ee5\u9632\u6b62\u6570\u636e\u4e22\u5931\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u4e8c\u3001 LoRa\u6a21\u5757\u540c\u9891\u5e72\u6270\u7684\u5e38\u89c1\u539f\u56e0\u53ca\u89e3\u51b3\u7b56\u7565\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n

    \u3000\u3000LoRa\u6a21\u5757\u540c\u9891\u5e72\u6270\u7684\u5e38\u89c1\u539f\u56e0\u53ca\u89e3\u51b3\u7b56\u7565\u5982\u4e0b\uff1a<\/p>\n\n\n\n

    \u3000\u30001. \u5e38\u89c1\u539f\u56e0\uff1a<\/h3>\n\n\n\n
      \n
    • \u3000\u3000\u8282\u70b9\u5de5\u4f5c\u4fe1\u9053\u63a5\u8fd1<\/strong>\uff1a\u5f53\u591a\u4e2aLoRa\u8bbe\u5907\u5728\u540c\u4e00\u6216\u76f8\u8fd1\u7684\u4fe1\u9053\u4e0a\u5de5\u4f5c\u65f6\uff0c\u5bb9\u6613\u4ea7\u751f\u540c\u9891\u5e72\u6270\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u8282\u70b9\u5929\u7ebf\u8ddd\u79bb\u8fc7\u8fd1<\/strong>\uff1a\u5982\u679c\u76f8\u90bb\u8282\u70b9\u7684\u5929\u7ebf\u8ddd\u79bb\u592a\u8fd1\uff0c\u4e5f\u4f1a\u5bfc\u81f4\u4fe1\u53f7\u4e92\u76f8\u5e72\u6270\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u9891\u8c31\u5e72\u6270<\/strong>\uff1a\u968f\u7740LoRa\u8bbe\u5907\u548c\u7f51\u7edc\u7684\u5e7f\u6cdb\u90e8\u7f72\uff0c\u5927\u91cf\u8bbe\u5907\u5728\u540c\u4e00\u533a\u57df\u5de5\u4f5c\u53ef\u80fd\u5bfc\u81f4\u4fe1\u9053\u62e5\u5835\uff0c\u4ece\u800c\u5f15\u53d1\u540c\u9891\u5e72\u6270\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u30002. \u89e3\u51b3\u7b56\u7565\uff1a<\/h3>\n\n\n\n
        \n
      • \u3000\u3000\u8c03\u6574\u8bbe\u5907\u4f4d\u7f6e\u548c\u65b9\u5411<\/strong>\uff1a\u901a\u8fc7\u6539\u53d8\u8bbe\u5907\u7684\u4f4d\u7f6e\u548c\u65b9\u5411\uff0c\u53ef\u4ee5\u6709\u6548\u907f\u514d\u540c\u9891\u5e72\u6270\u7684\u95ee\u9898\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u589e\u52a0\u8bbe\u5907\u529f\u7387<\/strong>\uff1a\u63d0\u9ad8\u8bbe\u5907\u7684\u53d1\u5c04\u529f\u7387\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u51cf\u5c11\u5e72\u6270\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u4e3b\u673a\u8f6e\u8be2\u65b9\u5f0f<\/strong>\uff1a\u4e3b\u673a\u9010\u4e2a\u8f6e\u8be2\u53eb\u53f7\uff0c\u901a\u8fc7\u70b9\u540d\u6765\u5b9e\u73b0\u5e94\u7b54\uff0c\u4ece\u800c\u907f\u514d\u540c\u65f6\u591a\u4e2a\u8bbe\u5907\u53d1\u9001\u4fe1\u53f7\u5bfc\u81f4\u7684\u5e72\u6270\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u8c03\u6574\u8282\u70b9\u9891\u7387\u95f4\u9694<\/strong>\uff1a\u786e\u4fdd\u4e0d\u540c\u8282\u70b9\u4f7f\u7528\u7684\u4fe1\u9053\u95f4\u9694\u8db3\u591f\u5927\uff0c\u81f3\u5c112\u4e2a\u4fe1\u9053\u4ee5\u4e0a\uff0c\u4ee5\u51cf\u5c11\u5e72\u6270\u7684\u53ef\u80fd\u6027\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u8bbe\u7f6e\u4e0d\u540c\u7684\u901f\u7387<\/strong>\uff1a\u4e0d\u540c\u7ec4LoRa\u7684\u8282\u70b9\u53ef\u4ee5\u8bbe\u7f6e\u4e0d\u540c\u7684\u901f\u7387\uff0c\u8fd9\u6837\u5373\u4f7f\u5728\u76f8\u540c\u7684\u4fe1\u9053\u4e0a\u5de5\u4f5c\uff0c\u4e5f\u4e0d\u4f1a\u4e92\u76f8\u5e72\u6270\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u4f7f\u7528\u7801\u9694\u79bb\u6280\u672f<\/strong>\uff1a\u5728\u591aLoRa\u8bbe\u5907\u73af\u5883\u4e2d\uff0c\u4f7f\u7528\u7801\u9694\u79bb\u6280\u672f\u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u5e72\u6270\u3002<\/li>\n<\/ul>\n\n\n\n

        \u3000\u3000\u4e09\u3001 \u5982\u4f55\u8c03\u6574LoRa\u63a5\u6536\u673a\u8d85\u65f6\u65f6\u95f4\u4ee5\u786e\u4fdd\u6570\u636e\u5305\u7684\u5b8c\u6574\u63a5\u6536?<\/h2>\n\n\n\n

        \u3000\u3000\u8981\u8c03\u6574LoRa\u63a5\u6536\u673a\u7684\u8d85\u65f6\u65f6\u95f4\u4ee5\u786e\u4fdd\u6570\u636e\u5305\u7684\u5b8c\u6574\u63a5\u6536\uff0c\u53ef\u4ee5\u53c2\u8003\u4ee5\u4e0b\u6b65\u9aa4\u548c\u65b9\u6cd5\uff1a<\/p>\n\n\n\n

          \n
        • \u3000\u3000\u542f\u7528\u63a5\u6536\u673a\u8d85\u65f6\u529f\u80fd<\/strong>\uff1a\u5728LoRa\u63a5\u6536\u6a21\u5f0f\u4e0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u542f\u7528\u63a5\u6536\u673a\u8d85\u65f6\u529f\u80fd\u6765\u786e\u4fdd\u63a5\u6536\u673a\u5728\u9884\u5148\u5b9a\u4e49\u597d\u7684\u65f6\u95f4\u5185\u76d1\u542c\u662f\u5426\u6536\u5230\u6709\u6548\u6570\u636e\u5305\u3002\u8fd9\u4e2a\u5b9a\u65f6\u5668\u4f1a\u5728\u82af\u7247\u8fdb\u5165\u5355\u4e00\u6216\u8fde\u7eed\u63a5\u6536\u6a21\u5f0f\u65f6\u5373\u523b\u542f\u52a8\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4<\/strong>\uff1a\u8d85\u65f6\u65f6\u95f4\u53ef\u4ee5\u901a\u8fc7\u7279\u5b9a\u7684\u547d\u4ee4\u6216\u6307\u4ee4\u8fdb\u884c\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u5728\u67d0\u4e9bLoRa\u6a21\u5757\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528AT+RTO\u6307\u4ee4\u6765\u8bbe\u7f6e\u63a5\u6536\u8d85\u65f6\u65f6\u95f4\u3002\u8be5\u6307\u4ee4\u5141\u8bb8\u7528\u6237\u67e5\u8be2\u548c\u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4\uff0c\u53c2\u6570time\u7684\u503c\u8303\u56f4\u4e3a0\u523015000\u6beb\u79d2\uff0c\u9ed8\u8ba4\u503c\u4e3a2000\u6beb\u79d2\u3002\u5bf9\u4e8eSX126X\u7cfb\u5217\u82af\u7247\uff0c\u8d85\u65f6\u65f6\u95f4\u901a\u8fc7Timeout(15\uff1a0)\u503c\u8bbe\u7f6e\u8ba1\u7b97\uff0c\u8bbe\u7f6e\u503c\u4e58\u4ee515.625 us\u5373\u4e3a\u5b9e\u9645\u8d85\u65f6\u65f6\u95f4\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u9009\u62e9\u63a5\u6536\u6a21\u5f0f<\/strong>\uff1a\u6839\u636e\u9700\u8981\u9009\u62e9\u5355\u6b21\u6a21\u5f0f\u3001\u8fde\u7eed\u6a21\u5f0f\u6216\u5b9a\u65f6\u8d85\u65f6\u6a21\u5f0f\u3002\u4f8b\u5982\uff0c\u5728SX1280\/SX1281\u6a21\u5757\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7SetRx\u547d\u4ee4\u8bbe\u7f6e\u6536\u53d1\u5668\u4e3a\u63a5\u6536\u6a21\u5f0f\uff0c\u5e76\u6839\u636eperiodBaseCount\u53c2\u6570\u7684\u4e0d\u540c\u9009\u62e9\u4e0d\u540c\u7684\u63a5\u6536\u884c\u4e3a\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u5904\u7406\u4e2d\u65ad\u4fe1\u53f7<\/strong>\uff1a\u5f53\u8d85\u65f6\u671f\u7ed3\u675f\u800c\u672a\u63a5\u6536\u5230\u6709\u6548\u6570\u636e\u5305\u65f6\uff0c\u63a5\u6536\u673a\u5c06\u751f\u6210\u4e2d\u65ad\u4fe1\u53f7\u3002\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u4e2d\u65ad\u6e90(\u5982RxDone\u6216RxTxTimeout)\u6765\u5904\u7406\u8fd9\u4e9b\u4fe1\u53f7\uff0c\u5e76\u68c0\u67e5\u6570\u636e\u5305\u72b6\u6001\u4ee5\u786e\u4fdd\u6b63\u786e\u63a5\u6536\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u8c03\u6574\u8d85\u65f6\u503c<\/strong>\uff1a\u6839\u636e\u901a\u4fe1\u901f\u7387\u548c\u6570\u636e\u91cf\u8c03\u6574\u8d85\u65f6\u503c\u3002\u901f\u7387\u8d8a\u4f4e\u3001\u6570\u636e\u91cf\u8d8a\u5927\uff0cRTO\u503c\u4e5f\u5e94\u76f8\u5e94\u589e\u5927\u3002<\/li>\n<\/ul>\n\n\n\n

          \u3000\u3000\u56db\u3001 \u5728LoRa\u6570\u636e\u5904\u7406\u4e2d\uff0c\u54ea\u4e9b\u9519\u8bef\u5904\u7406\u903b\u8f91\u53ef\u4ee5\u6709\u6548\u907f\u514d\u6570\u636e\u4e0d\u5b8c\u6574\u7684\u95ee\u9898?<\/h2>\n\n\n\n

          \u3000\u3000\u5728LoRa\u6570\u636e\u5904\u7406\u4e2d\uff0c\u4e3a\u4e86\u6709\u6548\u907f\u514d\u6570\u636e\u4e0d\u5b8c\u6574\u7684\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u51e0\u79cd\u9519\u8bef\u5904\u7406\u903b\u8f91\uff1a<\/p>\n\n\n\n

            \n
          • \u3000\u3000\u5faa\u73af\u5197\u4f59\u6821\u9a8c\uff08CRC\uff09<\/strong> \uff1a\u5728LoRa\u6a21\u5f0f\u4e0b\uff0c\u5f53\u542f\u7528CRC\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u68c0\u6d4bCRC\u9519\u8bef\u6765\u8fc7\u6ee4\u6389\u9519\u8bef\u7684\u6570\u636e\u5305\u3002\u4f8b\u5982\uff0c\u5728\u663e\u5f0f\u62a5\u5934\u6a21\u5f0f\u4e0b\uff0c\u5982\u679c\u62a5\u5934\u9519\u8bef\u5bfc\u81f4CRCOn\u4f4d\u88ab\u9519\u8bef\u5730\u6253\u5f00\u6216\u5173\u95ed\uff0c\u8c03\u5236\u89e3\u8c03\u5668\u4f1a\u5c06\u8be5\u6570\u636e\u5305\u6807\u8bb0\u4e3aPayloadCrcError\uff0c\u4ece\u800c\u907f\u514d\u9519\u8bef\u6570\u636e\u7684\u4f20\u64ad\u3002<\/li>\n\n\n\n
          • \u3000\u3000\u524d\u5411\u7ea0\u9519\u7f16\u7801\uff08FEC\uff09<\/strong> \uff1aLoRaWAN\u4f7f\u7528\u524d\u5411\u7ea0\u9519\u7f16\u7801\u6280\u672f\uff0c\u901a\u8fc7\u589e\u52a0\u5197\u4f59\u4f4d\u6765\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002\u8fd9\u4e9b\u5197\u4f59\u4f4d\u5141\u8bb8\u63a5\u6536\u5668\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u6062\u590d\u56e0\u5e72\u6270\u800c\u635f\u574f\u7684\u6570\u636e\u3002\u4f8b\u5982\uff0c\u4f7f\u75284\/5\u30014\/6\u30014\/7\u548c4\/8\u7684\u7f16\u7801\u7387\uff0c\u53ef\u4ee5\u5728\u6bcf\u4e2a\u6709\u6548\u4fe1\u606f\u4f4d\u4e0a\u751f\u6210\u989d\u5916\u7684\u5197\u4f59\u4f4d\uff0c\u4ece\u800c\u63d0\u9ad8\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002<\/li>\n\n\n\n
          • \u3000\u3000\u591a\u5305\u63a5\u6536\u534f\u8bae\uff08mLoRa\uff09<\/strong> \uff1amLoRa\u662f\u4e00\u79cd\u6539\u8fdb\u7684LoRa\u534f\u8bae\uff0c\u5b83\u901a\u8fc7\u8ba1\u7b97\u524d\u5bfc\u4fe1\u53f7\u68c0\u6d4b\u65b9\u6848\u4e2d\u7684\u65f6\u95f4\u504f\u79fb\u91cf\u6765\u89e3\u7801\u78b0\u649e\u7684\u6570\u636e\u5305\u3002\u867d\u7136\u8fd9\u79cd\u65b9\u6cd5\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u4f1a\u5bfc\u81f4\u89e3\u7801\u5931\u8d25\uff0c\u4f46\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u5904\u7406\u6570\u636e\u5305\u78b0\u649e\u7684\u7b56\u7565\uff0c\u6709\u52a9\u4e8e\u51cf\u5c11\u6570\u636e\u4e0d\u5b8c\u6574\u7684\u95ee\u9898\u3002<\/li>\n\n\n\n
          • \u3000\u3000\u968f\u673a\u63a5\u5165\u6280\u672f<\/strong>\uff1a\u4e3a\u4e86\u89e3\u51b3LoRa\u7f51\u7edc\u4e2d\u7684\u8bbf\u95ee\u51b2\u7a81\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528\u968f\u673a\u63a5\u5165\u6280\u672f\u3002\u8fd9\u79cd\u6280\u672f\u901a\u8fc7\u5f15\u5165\u968f\u673a\u6027\uff0c\u4f7f\u5f97\u591a\u4e2a\u8bbe\u5907\u5728\u53d1\u9001\u6570\u636e\u4e4b\u524d\u5148\u8fdb\u884c\u7ade\u4e89\uff0c\u4ece\u800c\u907f\u514d\u4e86\u8bbf\u95ee\u51b2\u7a81\uff0c\u51cf\u5c11\u4e86\u6570\u636e\u4f20\u8f93\u9519\u8bef\u548c\u4e22\u5305\u73b0\u8c61\u3002<\/li>\n\n\n\n
          • \u3000\u3000\u4f4e\u5bc6\u5ea6\u5947\u5076\u6821\u9a8c\uff08LDPC\uff09\u7f16\u7801<\/strong>\uff1a\u57fa\u4e8eLLDPC\u7684LoRa\u7f51\u7edc\u4fe1\u53f7\u5904\u7406\u65b9\u6cd5\u53ef\u4ee5\u89e3\u51b3\u73b0\u6709LoRa\u7f51\u7edc\u4e2dLDPC\u89e3\u7801\u5ef6\u8fdf\u8fc7\u957f\u7684\u95ee\u9898\u3002LLDPC\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u9519\u8bef\u66f4\u6b63\u7b97\u6cd5\uff0c\u80fd\u591f\u5728\u77ed\u65f6\u95f4\u5185\u5b8c\u6210\u89e3\u7801\uff0c\u786e\u4fdd\u5728LoRaWAN\u6807\u51c6\u89c4\u5b9a\u76841\u79d2\u5185\u54cd\u5e94\u4f20\u611f\u5668\u8282\u70b9\u3002<\/li>\n<\/ul>\n\n\n\n

            \u3000\u3000\u4e94\u3001 LoRa\u786c\u4ef6\u95ee\u9898\u5bfc\u81f4\u7684\u6570\u636e\u5305\u9519\u8bef\u5982\u4f55\u8bca\u65ad\u548c\u4fee\u590d?<\/h2>\n\n\n\n

            \u3000\u3000LoRa\u786c\u4ef6\u95ee\u9898\u5bfc\u81f4\u7684\u6570\u636e\u5305\u9519\u8bef\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\u8fdb\u884c\u8bca\u65ad\u548c\u4fee\u590d\uff1a<\/p>\n\n\n\n

              \n
            • \u3000\u3000\u4fee\u6539\u56fa\u4ef6\u5e93<\/strong>\uff1a\u901a\u8fc7\u4fee\u6539LoRa\u82af\u7247\u7684\u56fa\u4ef6\u5e93\uff0c\u53ef\u4ee5\u652f\u6301\u63a5\u6536\u9519\u8bef\u6570\u636e\u5305\u3002\u4f8b\u5982\uff0c\u5728SX1280\u82af\u7247\u4e2d\uff0c\u53ef\u4ee5\u5728SX1280::ProcessIrqs()\u51fd\u6570\u4e2d\u4fee\u6539\u4e00\u4e2a\u5b57\u8282\uff0c\u4ee5\u8bb0\u5f55\u672a\u901a\u8fc7CRC\u6821\u9a8c\u7684\u6570\u636e\u5305\u3002<\/li>\n\n\n\n
            • \u3000\u3000\u4f18\u5316\u5bc4\u5b58\u5668\u914d\u7f6e<\/strong>\uff1a\u5728\u521d\u59cb\u5316\u8fc7\u7a0b\u4e2d\uff0c\u9700\u8981\u4fee\u6539registerTxClampConfig\u5bc4\u5b58\u5668\u4ee5\u4f18\u5316PA\u94b3\u4f4d\u9608\u503c\uff0c\u5e76\u5c06\u4f4d4-1\u8bbe\u7f6e\u4e3a\u201c1111\u201d(\u9ed8\u8ba4\u503c\u4e3a\u201c0100\u201d)\u3002\u6b64\u4fee\u6539\u5fc5\u987b\u5728\u7535\u6e90\u91cd\u7f6e\u6216\u4ece\u51b7\u542f\u52a8\u5524\u9192\u540e\u8fdb\u884c\u3002<\/li>\n\n\n\n
            • \u3000\u3000\u5904\u7406\u8d85\u65f6\u95ee\u9898<\/strong>\uff1a\u5f53\u5728Rx\u6a21\u5f0f\u4e0b\u63a5\u6536LoRa\u6570\u636e\u5305\u4e14\u8d85\u65f6\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\u65f6\uff0c\u5982\u679c\u6ca1\u6709\u5934(\u9690\u5f0f\u6a21\u5f0f)\uff0c\u8d1f\u8d23\u751f\u6210\u8d85\u65f6\u7684\u5b9a\u65f6\u5668(\u57fa\u4e8eRTC\u5b9a\u65f6\u5668)\u4e0d\u4f1a\u5728RxDone\u4e8b\u4ef6\u4e0a\u505c\u6b62\u3002\u5efa\u8bae\u5728\u4efb\u4f55\u5177\u6709\u8d85\u65f6\u6d3b\u52a8\u7684Rx\u5e8f\u5217\u4e4b\u540e\u6dfb\u52a0\u547d\u4ee4\uff0c\u4ee5\u505c\u6b62RTC\u5e76\u6e05\u9664\u8d85\u65f6\u4e8b\u4ef6\u3002<\/li>\n\n\n\n
            • \u3000\u3000\u68c0\u67e5\u786c\u4ef6\u901a\u4fe1\u95ee\u9898<\/strong>\uff1a\u4f7f\u7528\u5de5\u5177\u5982mts-io-sysfs\u6765\u5b58\u50a8\u548c\u67e5\u770bLoRa\/Creset\u548cLoRa\/Cdone\u6587\u4ef6\uff0c\u901a\u8fc7\u624b\u52a8\u91cd\u65b0\u52a0\u8f7dFPGA\u56fa\u4ef6\u6765\u68c0\u67e5\u786c\u4ef6\u901a\u4fe1\u95ee\u9898\u5e76\u8bb0\u5f55\u9519\u8bef\u6d88\u606f\u3002<\/li>\n\n\n\n
            • \u3000\u3000\u8fdc\u7a0b\u91cd\u7f6e\u4f20\u611f\u5668\u8282\u70b9<\/strong>\uff1a\u5982\u679c\u7279\u5b9a\u4f20\u611f\u5668\u8282\u70b9\u6301\u7eed\u51fa\u73b0\u6570\u636e\u5305\u4e22\u5931\uff0c\u5219\u8868\u660e\u8be5\u4f20\u611f\u5668\u8282\u70b9\u53ef\u80fd\u5df2\u635f\u574f\u6216\u5176\u901a\u5f80\u7f51\u5173\u7684\u8def\u5f84\u53d7\u963b\u3002\u53ef\u4ee5\u901a\u8fc7\u8fdc\u7a0b\u91cd\u7f6e\u4f20\u611f\u5668\u8282\u70b9\u6765\u89e3\u51b3\u4e0e\u8def\u7531\u76f8\u5173\u7684\u95ee\u9898\uff0c\u8fd9\u5c06\u91cd\u65b0\u542f\u52a8\u8def\u7531\u53d1\u73b0\u8fc7\u7a0b\u3002<\/li>\n\n\n\n
            • \u3000\u3000\u6838\u5bf9\u914d\u7f6e\u4fe1\u606f<\/strong>\uff1a\u5efa\u8bae\u7528\u6237\u6838\u5bf9\u670d\u52a1\u5668\u3001\u7f51\u5173\u548c\u8282\u70b9\u7684\u9891\u7387\u914d\u7f6e\u548c\u6ce8\u518c\u4fe1\u606f\u662f\u5426\u6b63\u786e\uff0c\u4ee5\u786e\u4fdd\u63a5\u6536LoRaWAN\u6570\u636e\u7684\u6b63\u786e\u6027\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

              LORA\u6a21\u5757\u56de\u5e94\u7684\u6570\u636e\u4e0d\u5b8c\u6574\u53ef\u80fd\u662f\u7531\u6570\u636e\u5b8c\u6574\u6027\u6821\u9a8c\u3001\u540c\u9891\u5e72\u6270\u3001\u63a5\u6536\u673a\u8d85\u65f6\u3001\u6570\u636e\u5904\u7406\u9519\u8bef\u6216\u786c\u4ef6\u95ee\u9898\u5f15\u8d77\u7684\u3002\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u9700\u8981\u7efc\u5408\u8003\u8651\u786c\u4ef6\u548c\u8f6f\u4ef6\u5c42\u9762\u7684\u56e0\u7d20<\/p>\n","protected":false},"author":1,"featured_media":97633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[388],"class_list":["post-98649","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-loramodule"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/98649"}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=98649"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/98649\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=98649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=98649"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=98649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}