{"id":98104,"date":"2024-10-08T11:21:53","date_gmt":"2024-10-08T03:21:53","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=98104"},"modified":"2024-10-08T11:21:57","modified_gmt":"2024-10-08T03:21:57","slug":"lmzzmjsyksj","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/98104.html","title":{"rendered":"LoRa\u6a21\u7ec4\u600e\u4e48\u63a5\u6536\u9065\u63a7\u6570\u636e"},"content":{"rendered":"\n<p>\u3000\u3000\u8981\u63a5\u6536\u9065\u63a7\u6570\u636e\uff0c\u9996\u5148\u9700\u8981\u51c6\u5907\u4e00\u4e2a\u5177\u5907\u53d1\u9001\u548c\u63a5\u6536\u529f\u80fd\u7684LoRa\u6a21\u5757\uff0c\u5e76\u5c06\u5176\u4e0e\u5355\u7247\u673a\u8fde\u63a5\u3002\u5728\u5355\u7247\u673a\u4e2d\u8bbe\u7f6e\u4e0eLoRa\u6a21\u5757\u7684\u901a\u4fe1\u63a5\u53e3\uff0c\u4ee5\u4fbf\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u786c\u4ef6\u8fde\u63a5<\/strong>\uff1a\u5c06LoRa\u6a21\u5757\u7684VCC\u3001GND\u3001TXD\u3001RXD\u5f15\u811a\u5206\u522b\u8fde\u63a5\u5230\u5355\u7247\u673a\u7684\u76f8\u5e94\u5f15\u811a\u4e0a\u3002\u786e\u4fdd\u8fde\u63a5\u6b63\u786e\uff0c\u4ee5\u4fbf\u5355\u7247\u673a\u80fd\u591f\u4e0eLoRa\u6a21\u5757\u8fdb\u884c\u901a\u4fe1\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8f6f\u4ef6\u8bbe\u7f6e<\/strong>\uff1a\u5728\u5355\u7247\u673a\u4e2d\u7f16\u5199\u4ee3\u7801\uff0c\u521d\u59cb\u5316LoRa\u6a21\u5757\u3002\u53ef\u4ee5\u4f7f\u7528LoRa\u5e93\u4e2d\u63d0\u4f9b\u7684\u51fd\u6570\u548c\u65b9\u6cd5\uff0c\u4f8b\u5982LoRa.begin()\u6765\u521d\u59cb\u5316LoRa\u6a21\u5757\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u63a5\u6536\u6570\u636e<\/strong>\uff1a\u4f7f\u7528LoRa\u5e93\u4e2d\u7684\u51fd\u6570\u6765\u63a5\u6536\u6570\u636e\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528LoRa.parsePacket()\u6765\u68c0\u67e5\u662f\u5426\u6709\u6570\u636e\u5305\u5230\u8fbe\uff0c\u5e76\u4f7f\u7528LoRa.read()\u6765\u8bfb\u53d6\u6570\u636e\u5305\u4e2d\u7684\u5185\u5bb9\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5904\u7406\u6570\u636e<\/strong>\uff1a\u63a5\u6536\u5230\u7684\u6570\u636e\u53ef\u4ee5\u901a\u8fc7\u4e32\u53e3\u6216\u5176\u4ed6\u65b9\u5f0f\u4f20\u8f93\u5230\u4e0a\u4f4d\u673a\u6216\u8fdb\u884c\u8fdb\u4e00\u6b65\u5904\u7406\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6d4b\u8bd5\u4e0e\u8c03\u8bd5<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b\u6216\u5176\u4ed6\u5de5\u5177\u6d4b\u8bd5LoRa\u6a21\u5757\u7684\u63a5\u6536\u529f\u80fd\uff0c\u786e\u4fdd\u6570\u636e\u80fd\u591f\u6b63\u786e\u63a5\u6536\u548c\u5904\u7406\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u53ef\u4ee5\u5b9e\u73b0LoRa\u6a21\u7ec4\u63a5\u6536\u9065\u63a7\u6570\u636e\u7684\u529f\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa\u6a21\u5757\u4e0e\u5355\u7247\u673a\u8fde\u63a5\u7684\u8be6\u7ec6\u6b65\u9aa4\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6a21\u5757\u4e0e\u5355\u7247\u673a\u8fde\u63a5\u7684\u8be6\u7ec6\u6b65\u9aa4\u53ef\u4ee5\u603b\u7ed3\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9009\u62e9\u5408\u9002\u7684LoRa\u6a21\u5757<\/strong>\uff1a\u9996\u5148\uff0c\u9700\u8981\u6839\u636e\u9879\u76ee\u9700\u6c42\u9009\u62e9\u9002\u5408\u7684LoRa\u6a21\u5757\uff0c\u8003\u8651\u901a\u4fe1\u8ddd\u79bb\u3001\u529f\u8017\u3001\u6570\u636e\u4f20\u8f93\u901f\u7387\u7b49\u56e0\u7d20\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u8fde\u63a5LoRa\u6a21\u5757\u4e0e\u5355\u7247\u673a<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5c06LoRa\u6a21\u5757\u7684VCC\u5f15\u811a\u8fde\u63a5\u5230\u5355\u7247\u673a\u7684\u7535\u6e90\u5f15\u811a\uff0cGND\u5f15\u811a\u8fde\u63a5\u5230\u5355\u7247\u673a\u7684\u5730\u5f15\u811a\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u786e\u4fddLoRa\u6a21\u5757\u4e0e\u5355\u7247\u673a\u4e4b\u95f4\u7684\u63a5\u53e3\u6807\u51c6\u5339\u914d\uff0c\u5982SPI\u3001UART\u3001I2C\u7b49\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u67e5\u770bLoRa\u6a21\u5757\u7684\u5f15\u811a\u5b9a\u4e49\uff0c\u786e\u5b9a\u54ea\u4e9b\u5f15\u811a\u9700\u8981\u8fde\u63a5\u5230\u5355\u7247\u673a\u7684\u54ea\u4e9b\u5f15\u811a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u914d\u7f6eLoRa\u6a21\u5757<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528\u4e32\u53e3\u7ed9LoRa\u6a21\u5757\u53d1\u9001AT\u6307\u4ee4\u6765\u914d\u7f6e\u6a21\u5757\uff0c\u5982\u9891\u7387\u3001\u589e\u76ca\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u786e\u4fdd\u5355\u7247\u673a\u7684\u4e32\u53e3\u529f\u80fd\u6b63\u5e38\u5de5\u4f5c\uff0c\u5e76\u8bbe\u7f6e\u6b63\u786e\u7684\u6ce2\u7279\u7387(\u9ed8\u8ba4\u4e3a9600)\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u7f16\u5199\u4ee3\u7801\u5b9e\u73b0\u6570\u636e\u53d1\u9001\u548c\u63a5\u6536<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5bf9\u4e8eSTM32\u5355\u7247\u673a\uff0c\u53ef\u4ee5\u4f7f\u7528HAL\u5e93\u8fdb\u884c\u7f16\u7a0b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7f16\u5199\u4e32\u53e3\u901a\u4fe1\u7a0b\u5e8f\uff0c\u5b9e\u73b0\u4e0ePC\u7684\u901a\u4fe1\uff0c\u53ef\u4ee5\u4f7f\u7528STM32CubeMX\u5de5\u5177\u751f\u6210\u4e32\u53e3\u901a\u4fe1\u7684\u521d\u59cb\u5316\u4ee3\u7801\uff0c\u5e76\u5728\u4e3b\u7a0b\u5e8f\u4e2d\u7f16\u5199\u6570\u636e\u63a5\u6536\u548c\u53d1\u9001\u7684\u903b\u8f91\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u786e\u4fdd\u5929\u7ebf\u90e8\u5206\u6b63\u786e\u8fde\u63a5<\/strong>\uff1a\u5728\u8fde\u63a5LoRa\u6a21\u5757\u65f6\uff0c\u786e\u4fdd\u6a21\u5757\u7684\u5929\u7ebf\u90e8\u5206\u6b63\u786e\u8fde\u63a5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 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class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u521d\u59cb\u5316\u4ee3\u7801\u7f16\u5199<\/strong>\uff1a\u5728\u5355\u7247\u673a\u7684\u7a0b\u5e8f\u4e2d\uff0c\u9700\u8981\u7f16\u5199LoRa\u6a21\u5757\u7684\u521d\u59cb\u5316\u4ee3\u7801\u3002\u8fd9\u5305\u62ec\u8bbe\u7f6e\u4e32\u53e3\u53c2\u6570\u3001\u914d\u7f6eLoRa\u6a21\u5757\u7684\u5de5\u4f5c\u6a21\u5f0f\u3001\u8bbe\u7f6e\u9891\u7387\u7b49\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f7f\u7528\u9a71\u52a8\u5e93<\/strong>\uff1a\u572832\u4f4d\u5355\u7247\u673a\u7a0b\u5e8f\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528LoRa\u6a21\u5757\u7684\u9a71\u52a8\u5e93\u6765\u521d\u59cb\u5316\u548c\u914d\u7f6eLoRa\u6a21\u5757\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8bbe\u7f6e\u901a\u4fe1\u53c2\u6570<\/strong>\uff1a\u6839\u636e\u5b9e\u9645\u5e94\u7528\u573a\u666f\uff0c\u5408\u7406\u8bbe\u7f6eLoRa\u6a21\u5757\u7684\u901a\u4fe1\u53c2\u6570\uff0c\u5982\u9891\u7387\u3001\u6269\u9891\u56e0\u5b50(SF)\u3001\u7f16\u7801\u7387(CR)\u3001\u5e26\u5bbd(BW)\u7b49\uff0c\u4ee5\u83b7\u5f97\u6700\u4f73\u7684\u901a\u4fe1\u6548\u679c\u3002\u8fd9\u4e9b\u53c2\u6570\u53ef\u4ee5\u901a\u8fc7\u7f16\u7a0b\u5728\u5355\u7247\u673a\u4e2d\u8fdb\u884c\u914d\u7f6e\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f18\u5316\u529f\u8017<\/strong>\uff1a\u867d\u7136LoRa\u662f\u4e00\u79cd\u4f4e\u529f\u8017\u6280\u672f\uff0c\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u4ecd\u7136\u9700\u8981\u8003\u8651\u529f\u8017\u7684\u4f18\u5316\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5929\u7ebf\u8bbe\u8ba1<\/strong>\uff1a\u5929\u7ebf\u662fLoRa\u6a21\u5757\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u4f18\u5316\u5929\u7ebf\u8bbe\u8ba1\u53ef\u4ee5\u63d0\u9ad8\u4fe1\u53f7\u7684\u4f20\u8f93\u8ddd\u79bb\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4e32\u53e3\u901a\u4fe1\u95ee\u9898<\/strong>\uff1a\u786e\u4fdd\u4e32\u53e3\u53f7\u548c\u6ce2\u7279\u7387\u8bbe\u7f6e\u6b63\u786e\uff0c\u907f\u514d\u56e0\u914d\u7f6e\u9519\u8bef\u5bfc\u81f4\u901a\u4fe1\u5931\u8d25\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u53c2\u6570\u8bbe\u7f6e\u9519\u8bef<\/strong>\uff1a\u5728\u8bbe\u7f6e\u53c2\u6570\u65f6\uff0c\u4ed4\u7ec6\u9605\u8bfb\u548c\u9075\u5faa\u5b98\u65b9\u6587\u6863\uff0c\u786e\u4fdd\u6240\u6709\u53c2\u6570\u90fd\u88ab\u6b63\u786e\u8bbe\u7f6e\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u53ef\u4ee5\u5b8c\u6210LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7684\u57fa\u672c\u914d\u7f6e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u4f7f\u7528LoRa\u5e93\u63a5\u6536\u6570\u636e\u65f6\uff0c\u5982\u4f55\u5904\u7406\u548c\u89e3\u6790\u63a5\u6536\u5230\u7684\u6570\u636e\u5305?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u4f7f\u7528LoRa\u5e93\u63a5\u6536\u6570\u636e\u65f6\uff0c\u5904\u7406\u548c\u89e3\u6790\u63a5\u6536\u5230\u7684\u6570\u636e\u5305\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u540c\u6b65\u5b57\u8bbe\u7f6e<\/strong>\uff1a\u4e3a\u4e86\u786e\u4fdd\u53ea\u63a5\u6536\u6765\u81ea\u7279\u5b9a\u53d1\u9001\u65b9\u7684\u6570\u636e\u5305\uff0c\u63a5\u6536\u65b9\u548c\u53d1\u9001\u65b9\u90fd\u9700\u8981\u8bbe\u7f6e\u76f8\u540c\u7684\u540c\u6b65\u5b57\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528LoRa.setSyncWord 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class=\"wp-block-list\">\n<li>\u3000\u3000\u786e\u5b9a\u4f7f\u7528\u4e32\u53e3\u6216\u5176\u4ed6\u6570\u636e\u4f20\u8f93\u65b9\u5f0f\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u6839\u636e\u6240\u9009\u65b9\u5f0f\uff0c\u8bbe\u8ba1\u6570\u636e\u5e27\u7ed3\u6784\u548c\u4f20\u8f93\u534f\u8bae\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u5e27\u5934\u3001\u6570\u636e\u4f4d\u3001\u5947\u5076\u6821\u9a8c\u4f4d\u7b49\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u7f16\u5199\u4e32\u53e3\u63a5\u6536\u7a0b\u5e8f\u6216\u4f7f\u7528\u76f8\u5e94\u7684\u8f6f\u4ef6\u5de5\u5177\uff0c\u5904\u7406\u6570\u636e\u5e27\uff0c\u786e\u4fdd\u6570\u636e\u7684\u51c6\u786e\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5bf9\u4e8e\u9700\u8981\u540c\u65f6\u4f20\u8f93\u591a\u4e2a\u6570\u636e\u7684\u60c5\u51b5\uff0c\u8003\u8651\u5206\u6279\u53d1\u9001\u6216\u91c7\u7528\u7279\u5b9a\u7684\u6570\u636e\u683c\u5f0f\u6765\u533a\u5206\u4e0d\u540c\u7684\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u6839\u636e\u9700\u8981\u9009\u62e9\u5408\u9002\u7684\u786c\u4ef6\u63a5\u53e3(\u5982USB\u3001\u84dd\u7259\u7b49)\u548c\u8f6f\u4ef6\u5de5\u5177(\u5982Python\u7f16\u7a0b)\u6765\u5b9e\u73b0\u6570\u636e\u7684\u63a5\u6536\u548c\u5904\u7406\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 \u5728\u6d4b\u8bd5\u548c\u8c03\u8bd5LoRa\u6a21\u5757\u63a5\u6536\u529f\u80fd\u65f6\uff0c\u6709\u54ea\u4e9b\u5e38\u89c1\u7684\u95ee\u9898\u53ca\u5176\u89e3\u51b3\u65b9\u6848?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u6d4b\u8bd5\u548c\u8c03\u8bd5 LoRa \u6a21\u5757\u7684\u63a5\u6536\u529f\u80fd\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u4ee5\u4e0b\u5e38\u89c1\u95ee\u9898\u53ca\u5176\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u4fe1\u53f7\u63a5\u6536\u4e0d\u7a33\u5b9a<\/strong><\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u95ee\u9898\u539f\u56e0<\/strong>: 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\u9519\u8bef\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u89e3\u51b3\u65b9\u6848<\/strong>:<\/p>\n\n\n\n<p>\u3000\u3000\u786e\u4fdd\u53d1\u9001\u548c\u63a5\u6536\u6a21\u5757\u8bbe\u7f6e\u5728\u76f8\u540c\u7684\u9891\u7387\u548c\u5e26\u5bbd\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u68c0\u67e5\u5e76\u786e\u4fdd\u7f51\u7edc ID \u548c\u8bbe\u5907\u5730\u5740\u5339\u914d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30005.&nbsp;<strong>\u6a21\u5757\u4e0d\u54cd\u5e94<\/strong><\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u95ee\u9898\u539f\u56e0<\/strong>: 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