{"id":96174,"date":"2024-07-31T09:12:34","date_gmt":"2024-07-31T01:12:34","guid":{"rendered":"\/\/www.viralrail.com\/?p=96174"},"modified":"2024-07-31T09:13:09","modified_gmt":"2024-07-31T01:13:09","slug":"slxjsms","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/96174.html","title":{"rendered":"sx1278\u8fde\u7eed\u63a5\u6536\u6a21\u5f0f"},"content":{"rendered":"\n<p>\u3000\u3000<strong>SX1278\u82af\u7247<\/strong>\u7684\u8fde\u7eed\u63a5\u6536\u6a21\u5f0f\u662f\u4e00\u79cd\u7528\u4e8e\u6301\u7eed\u76d1\u542c\u65e0\u7ebf\u4fe1\u53f7\u5e76\u5b9e\u65f6\u5904\u7406\u6570\u636e\u5305\u7684\u5de5\u4f5c\u65b9\u5f0f\u3002\u5728\u8be5\u6a21\u5f0f\u4e0b\uff0c\u8c03\u5236\u89e3\u8c03\u5668\u4f1a\u4e0d\u65ad\u626b\u63cf\u4fe1\u9053\u4ee5\u641c\u7d22\u524d\u5bfc\u7801\uff0c\u5e76\u5728\u68c0\u6d4b\u5230\u524d\u5bfc\u7801\u540e\u8ddf\u8e2a\u5b83\u76f4\u5230\u6536\u5230\u5b8c\u6574\u7684\u6570\u636e\u5305\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0c\u5728\u8fde\u7eed\u63a5\u6536\u6a21\u5f0f\u4e0b\uff0c\u5f53\u8bbe\u5907\u5904\u4e8e\u7761\u7720\u6216\u5f85\u673a\u72b6\u6001\u65f6\uff0c\u7528\u6237\u9700\u8981\u9009\u62e9RXCONT\u6a21\u5f0f\u6765\u542f\u52a8\u8fde\u7eed\u63a5\u6536\u3002\u4e00\u65e6\u63a5\u6536\u5230\u6709\u6548\u7684\u524d\u5bfc\u7801(Preamble)\uff0cRxDone\u4e2d\u65ad\u4f1a\u88ab\u8bbe\u7f6e\uff0c\u4f46\u6b64\u65f6\u65e0\u7ebf\u7535\u4ecd\u7136\u4fdd\u6301\u5728RXCONT\u6a21\u5f0f\u4e2d\u7b49\u5f85\u4e0b\u4e00\u4e2aLoRaTM\u6570\u636e\u5305\u3002\u4e3a\u4e86\u786e\u4fdd\u6570\u636e\u5305\u7684\u5b8c\u6574\u6027\uff0c\u7528\u6237\u5e94\u68c0\u67e5PayloadCrcError\u6807\u5fd7\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e0e\u5355\u4e2a\u63a5\u6536\u6a21\u5f0f\u4e0d\u540c\uff0c\u8fde\u7eed\u63a5\u6536\u6a21\u5f0f\u4e0d\u4f1a\u4ea7\u751f\u4e2d\u65ad\u6807\u5fd7\u4f4d\uff0c\u56e0\u6b64\u7528\u6237\u9700\u8981\u624b\u52a8\u6e05\u9664\u4e2d\u65ad\u6807\u5fd7\u4f4d\u3002\u6b64\u5916\uff0c\u89e3\u8c03\u7684\u6570\u636e\u5b57\u8282\u5fc5\u987b\u6309\u987a\u5e8f\u5199\u5165\u6570\u636e\u7f13\u51b2\u533a\u5185\u5b58\u4e2d\uff0c\u5730\u5740\u6307\u9488\u4e0d\u4f1a\u91cd\u7f6e\uff0c\u8fd9\u8981\u6c42\u6709\u534f\u5904\u7406\u5668\u6765\u786e\u4fddFIFO\u6570\u636e\u7f13\u51b2\u533a\u4e0d\u4f1a\u6ea2\u51fa\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u8fde\u7eed\u63a5\u6536\u6a21\u5f0f\u4e0b\uff0c\u63a5\u6536\u8fc7\u7a0b\u53ef\u4ee5\u91cd\u590d\u8fdb\u884c\uff0c\u6216\u8005\u6839\u636e\u9700\u8981\u9000\u51fa\u63a5\u6536\u64cd\u4f5c\u6a21\u5f0f\u3002\u72b6\u6001\u4fe1\u606f\u4ec5\u9002\u7528\u4e8e\u6700\u540e\u63a5\u6536\u5230\u7684\u6570\u636e\u5305\uff0c\u56e0\u6b64\u5728\u4e0b\u4e00\u4e2aRxDone\u5230\u6765\u4e4b\u524d\uff0c\u5e94\u8be5\u8bfb\u53d6\u76f8\u5e94\u7684\u5bc4\u5b58\u5668\u4ee5\u83b7\u53d6\u72b6\u6001\u4fe1\u606f\u3002<\/p>\n\n\n\n<p>\u3000\u3000SX1278\u7684\u8fde\u7eed\u63a5\u6536\u6a21\u5f0f\u5141\u8bb8\u8bbe\u5907\u5b9e\u65f6\u5730\u76d1\u542c\u548c\u5904\u7406\u65e0\u7ebf\u4fe1\u53f7\uff0c\u9002\u7528\u4e8e\u9700\u8981\u6301\u7eed\u76d1\u6d4b\u548c\u54cd\u5e94\u6570\u636e\u5305\u7684\u5e94\u7528\u573a\u666f\u3002\u8fd9\u79cd\u6a21\u5f0f\u901a\u8fc7\u5b9e\u65f6\u626b\u63cf\u4fe1\u9053\u548c\u8ddf\u8e2a\u524d\u5bfc\u7801\uff0c\u63d0\u9ad8\u4e86\u8bbe\u5907\u7684\u54cd\u5e94\u80fd\u529b\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 SX1278\u82af\u7247\u8fde\u7eed\u63a5\u6536\u6a21\u5f0f\u7684\u5177\u4f53\u5b9e\u73b0\u6b65\u9aa4<\/h2>\n\n\n\n<p>\u3000\u3000SX1278\u82af\u7247\u7684\u8fde\u7eed\u63a5\u6536\u6a21\u5f0f\u662f\u4e00\u79cd\u9ad8\u6027\u80fd\u3001\u4f4e\u529f\u8017\u7684\u65e0\u7ebf\u901a\u4fe1\u6a21\u5f0f\uff0c\u9002\u7528\u4e8e\u9700\u8981\u6301\u7eed\u76d1\u6d4b\u548c\u63a5\u6536\u6570\u636e\u5305\u7684\u5e94\u7528\u573a\u666f\u3002\u4ee5\u4e0b\u662f\u5b9e\u73b0\u8be5\u6a21\u5f0f\u7684\u5177\u4f53\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u9009\u62e9RXCONT\u6a21\u5f0f<\/strong>\uff1a\u9996\u5148\uff0c\u5728\u4f11\u7720\u6216\u5f85\u673a\u6a21\u5f0f\u4e0b\uff0c\u5c06\u8c03\u5236\u89e3\u8c03\u5668\u8bbe\u7f6e\u4e3aRXCONT\u6a21\u5f0f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u914d\u7f6e\u9759\u6001\u5bc4\u5b58\u5668<\/strong>\uff1a\u5728\u521d\u59cb\u5316\u82af\u7247\u4e4b\u524d\uff0c\u9700\u8981\u914d\u7f6e\u76f8\u5173\u7684\u9759\u6001\u5bc4\u5b58\u5668\u3002\u8fd9\u4e9b\u5bc4\u5b58\u5668\u5305\u62ec\u9891\u7387\u3001\u53d1\u5c04\u529f\u7387\u3001\u6570\u636e\u901f\u7387\u7b49\u53c2\u6570\uff0c\u4ee5\u786e\u4fdd\u82af\u7247\u80fd\u591f\u6b63\u786e\u5730\u5de5\u4f5c\u5728\u9884\u671f\u7684\u5de5\u4f5c\u9891\u7387\u8303\u56f4\u5185\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u542f\u7528\u63a5\u6536\u4e2d\u65ad<\/strong>\uff1a\u5728\u8fdb\u5165RXCONT\u6a21\u5f0f\u540e\uff0c\u9700\u8981\u542f\u7528\u63a5\u6536\u4e2d\u65ad\u6807\u5fd7\u4f4d(\u5982RxDone)\u3002\u8fd9\u6837\u5f53\u63a5\u6536\u5230\u4e00\u4e2a\u6709\u6548\u7684\u6570\u636e\u5305\u65f6\uff0c\u4e2d\u65ad\u6807\u5fd7\u4f4d\u4f1a\u88ab\u7f6e\u4f4d\uff0c\u901a\u77e5\u7cfb\u7edf\u8fdb\u884c\u6570\u636e\u5904\u7406\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7b49\u5f85\u524d\u5bfc\u7801<\/strong>\uff1a\u5728\u8fde\u7eed\u63a5\u6536\u6a21\u5f0f\u4e0b\uff0c\u8c03\u5236\u89e3\u8c03\u5668\u4f1a\u6301\u7eed\u626b\u63cf\u4fe1\u9053\uff0c\u4ee5\u641c\u7d22\u524d\u5bfc\u7801\u3002\u6bcf\u5f53\u68c0\u6d4b\u5230\u524d\u5bfc\u7801\u65f6\uff0c\u8c03\u5236\u89e3\u8c03\u5668\u90fd\u4f1a\u5bf9\u524d\u5bfc\u7801\u8fdb\u884c\u68c0\u6d4b\u53ca\u8ddf\u8e2a\uff0c\u5e76\u7ee7\u7eed\u7b49\u5f85\u4e0b\u4e00\u524d\u5bfc\u7801\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6570\u636e\u5305\u5b8c\u6574\u6027\u9a8c\u8bc1<\/strong>\uff1a\u4e00\u65e6\u63a5\u6536\u5230\u4e00\u4e2a\u6709\u6548\u7684\u6570\u636e\u5305\uff0cPayloadCrcError\u6807\u5fd7\u4f4d\u7528\u4e8e\u6838\u5b9e\u6536\u5230\u7684\u6570\u636e\u5305\u7684\u5b8c\u6574\u6027\u3002\u5982\u679c\u53d1\u73b0\u6570\u636e\u5305\u6709\u9519\u8bef\uff0c\u5219\u9700\u8981\u91cd\u65b0\u5904\u7406\u6216\u4e22\u5f03\u8be5\u6570\u636e\u5305\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8bfb\u53d6\u6570\u636e<\/strong>\uff1a\u5728\u63a5\u6536\u5230\u6709\u6548\u6570\u636e\u5305\u540e\uff0c\u4eceSX1278\u82af\u7247\u7684\u63a5\u6536\u7f13\u51b2\u533a\u4e2d\u8bfb\u53d6\u63a5\u6536\u5230\u7684\u6570\u636e\u3002\u8fd9\u4e00\u6b65\u901a\u5e38\u901a\u8fc7\u8f6e\u8be2\u63a5\u6536\u72b6\u6001\u6216\u7b49\u5f85\u63a5\u6536\u4e2d\u65ad\u6765\u5b8c\u6210\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5904\u7406\u6570\u636e<\/strong>\uff1a\u6839\u636e\u5177\u4f53\u5e94\u7528\u9700\u6c42\uff0c\u5bf9\u8bfb\u53d6\u5230\u7684\u6570\u636e\u8fdb\u884c\u8fdb\u4e00\u6b65\u5904\u7406\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c06\u6570\u636e\u5b58\u50a8\u5230\u672c\u5730\u5185\u5b58\u4e2d\uff0c\u6216\u8005\u901a\u8fc7\u4e32\u53e3\u53d1\u9001\u7ed9\u5176\u4ed6\u8bbe\u5907\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4fdd\u6301RXCONT\u6a21\u5f0f<\/strong>\uff1a\u5728\u6210\u529f\u5904\u7406\u5b8c\u4e00\u4e2a\u6570\u636e\u5305\u540e\uff0c\u65e0\u7ebf\u8bbe\u5907\u4f1a\u4fdd\u6301\u5de5\u4f5c\u5728RXCONT\u6a21\u5f0f\uff0c\u7b49\u5f85\u4e0b\u4e00\u4e2aLORA\u6570\u636e\u5305\u3002\u5728\u6b64\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u91cd\u65b0\u8bbe\u7f6eSPI\u6307\u9488(FifoAddPtr)\u6210\u5185\u5b58\u7684\u57fa\u5740(FifoRxBaseAddr)\uff0c\u4ee5\u4fbf\u51c6\u5907\u63a5\u6536\u65b0\u7684\u6570\u636e\u5305\u3002<\/li>\n<\/ul>\n\n\n\n<h2 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class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 SX1278\u82af\u7247\u8fde\u7eed\u63a5\u6536\u6a21\u5f0f\u4e0e\u5355\u6b21\u63a5\u6536\u6a21\u5f0f\u6027\u80fd\u5dee\u5f02?<\/h2>\n\n\n\n<p>\u3000\u3000SX1278\u82af\u7247\u5728\u8fde\u7eed\u63a5\u6536\u6a21\u5f0f\u4e0e\u5355\u6b21\u63a5\u6536\u6a21\u5f0f\u4e0b\u5b58\u5728\u663e\u8457\u7684\u6027\u80fd\u5dee\u5f02\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4ece\u529f\u8017\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u5f53\u8bbe\u5907\u5904\u4e8e\u5355\u6b21\u63a5\u6536\u6a21\u5f0f\u65f6\uff0c\u4e00\u65e6\u63a5\u6536\u5230\u6570\u636e\u5305\u540e\uff0c\u8bbe\u5907\u4f1a\u8fdb\u5165\u5f85\u673a\u72b6\u6001\uff0c\u76f4\u5230\u6e05\u9664\u4e2d\u65ad\u4fe1\u53f7\u624d\u91cd\u65b0\u56de\u5230\u5355\u6b21\u63a5\u6536\u6a21\u5f0f\u3002\u8fd9\u610f\u5473\u7740\u5728\u5355\u6b21\u63a5\u6536\u6a21\u5f0f\u4e0b\uff0c\u8bbe\u5907\u9700\u8981\u9891\u7e41\u5730\u5904\u7406\u4e2d\u65ad\u548c\u72b6\u6001\u5207\u6362\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8f83\u9ad8\u7684\u529f\u8017\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u5728\u8fde\u7eed\u63a5\u6536\u6a21\u5f0f\u4e0b\uff0c\u5373\u4f7f\u4e2d\u65ad\u4ea7\u751f\uff0c\u8bbe\u5907\u4ecd\u7136\u4fdd\u6301\u5728\u8fde\u7eed\u63a5\u6536\u72b6\u6001\u4e2d\uff0c\u4e0d\u9700\u8981\u8fdb\u884c\u72b6\u6001\u5207\u6362\u6216\u6e05\u9664\u4e2d\u65ad\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u529f\u8017\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4ece\u63a5\u6536\u7075\u654f\u5ea6\u548c\u7a33\u5b9a\u6027\u65b9\u9762\u6765\u770b\uff0cSX1278\u5177\u6709\u9ad8\u8fbe-148dBm\u7684\u63a5\u6536\u7075\u654f\u5ea6\u3002\u8fd9\u79cd\u9ad8\u7075\u654f\u5ea6\u4f7f\u5f97\u5b83\u80fd\u591f\u5728\u5404\u79cd\u73af\u5883\u6761\u4ef6\u4e0b\u5b9e\u73b0\u7a33\u5b9a\u7684\u901a\u4fe1\u3002\u7136\u800c\uff0c\u5728\u8fde\u7eed\u63a5\u6536\u6a21\u5f0f\u4e0b\uff0c\u7531\u4e8e\u8bbe\u5907\u6301\u7eed\u5904\u4e8e\u63a5\u6536\u72b6\u6001\uff0c\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u5229\u7528\u5176\u9ad8\u7075\u654f\u5ea6\u6765\u6355\u6349\u4fe1\u53f7\uff0c\u800c\u4e0d\u4f1a\u56e0\u4e3a\u72b6\u6001\u5207\u6362\u800c\u5f71\u54cd\u63a5\u6536\u6548\u679c\u3002\u800c\u5728\u5355\u6b21\u63a5\u6536\u6a21\u5f0f\u4e0b\uff0c\u7531\u4e8e\u8bbe\u5907\u5728\u63a5\u6536\u5230\u6570\u636e\u540e\u5c31\u8fdb\u5165\u5f85\u673a\u72b6\u6001\uff0c\u53ef\u80fd\u65e0\u6cd5\u5145\u5206\u5229\u7528\u8fd9\u4e00\u4f18\u52bf\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0c\u4ece\u786c\u4ef6\u8bbe\u8ba1\u548c\u5b9e\u73b0\u590d\u6742\u5ea6\u6765\u770b\uff0c\u8fde\u7eed\u63a5\u6536\u6a21\u5f0f\u4e0b\uff0c\u534f\u5904\u7406\u5668\u9700\u8981\u8d1f\u8d23\u6e05\u9664\u4e2d\u65ad\u5e76\u7ef4\u6301\u8bbe\u5907\u5728\u8fde\u7eed\u63a5\u6536\u72b6\u6001\u3002\u8fd9\u589e\u52a0\u4e86\u7cfb\u7edf\u7684\u590d\u6742\u6027\u548c\u5b9e\u73b0\u96be\u5ea6\u3002\u76f8\u53cd\uff0c\u5728\u5355\u6b21\u63a5\u6536\u6a21\u5f0f\u4e0b\uff0c\u7cfb\u7edf\u53ef\u4ee5\u7b80\u5316\u4e3a\u4ec5\u9700\u5904\u7406\u4e00\u6b21\u4e2d\u65ad\u548c\u76f8\u5e94\u7684\u72b6\u6001\u5207\u6362\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u8bbe\u8ba1\u548c\u5b9e\u73b0\u7684\u590d\u6742\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000SX1278\u82af\u7247\u5728\u8fde\u7eed\u63a5\u6536\u6a21\u5f0f\u4e0b\u7531\u4e8e\u51cf\u5c11\u4e86\u72b6\u6001\u5207\u6362\u548c\u4e2d\u65ad\u5904\u7406\uff0c\u80fd\u591f\u66f4\u597d\u5730\u5229\u7528\u5176\u9ad8\u63a5\u6536\u7075\u654f\u5ea6\u548c\u4f4e\u529f\u8017\u7279\u6027\uff0c\u9002\u5408\u4e8e\u9700\u8981\u957f\u65f6\u95f4\u7a33\u5b9a\u63a5\u6536\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 \u5728SX1278\u82af\u7247\u7684\u8fde\u7eed\u63a5\u6536\u6a21\u5f0f\u4e0b\uff0c\u5982\u4f55\u7ba1\u7406FIFO\u6570\u636e\u7f13\u51b2\u533a<\/h2>\n\n\n\n<p>\u3000\u3000\u5728SX1278\u82af\u7247\u7684\u8fde\u7eed\u63a5\u6536\u6a21\u5f0f\u4e0b\uff0c\u6709\u6548\u7ba1\u7406FIFO\u6570\u636e\u7f13\u51b2\u533a\u4ee5\u907f\u514d\u6ea2\u51fa\u9700\u8981\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n\n\n\n<ul 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