{"id":2625,"date":"2019-06-11T08:32:19","date_gmt":"2019-06-11T08:32:19","guid":{"rendered":""},"modified":"2019-06-11T16:33:23","modified_gmt":"2019-06-11T08:33:23","slug":"%e5%9f%ba%e4%ba%8efpga%e7%9a%84%e8%bd%a6%e7%94%b5%e6%80%bb%e7%ba%bf%e9%80%9a%e4%bf%a1%e8%ae%be%e8%ae%a1%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2625","title":{"rendered":"\u57fa\u4e8eFPGA\u7684\u8f66\u7535\u603b\u7ebf\u901a\u4fe1\u8bbe\u8ba1\u65b9\u6848"},"content":{"rendered":"

\n\t\u4e3a\u63d0\u9ad8\u96c6\u6210\u67b6\u6784\u4e2d\u8f66\u7535\u603b\u7ebf\u901a\u4fe1\u901f\u7387\uff0c\u7ed3\u5408\u7efc\u5408\u5316\u5904\u7406\u7cfb\u7edf\u9879\u76ee\u8981\u6c42\uff0c\u91c7\u7528\u53cc\u603b\u7ebf\u7ed3\u5408\u7684\u65b9\u5f0f\uff0c\u5229\u7528CAN<\/u>\u603b\u7ebf\u548cFlexRay\u603b\u7ebf\u5b9e\u73b0\u529f\u80fd\u53ca\u642d\u914d\u4e0a\u7684\u4e92\u8865\uff0c\u63d0\u51fa\u4e00\u79cd\u57fa\u4e8e\u73b0\u573a\u53ef\u7f16\u7a0b\u95e8\u9635\u5217(FPGA<\/u>)\u7684\u603b\u7ebf\u63a5\u53e3<\/u>\u5355\u5143\u8bbe\u8ba1\u65b9\u6848\u3002\u901a\u8fc7FPGA\u5b8c\u6210CAN\u603b\u7ebf\u63a7\u5236\u5668\u3001FlexRay\u603b\u7ebf\u63a7\u5236\u5668\u3001Rapi<\/u>dIO\u603b\u7ebf\u63a5\u53e3\u7b49\u6a21\u5757\u529f\u80fd\uff0c\u5b9e\u73b0\u9ad8\u901f\u63a5\u53e3\u7684\u63a7\u5236\u548c\u6269\u5c55\uff0c\u5e76\u4f7f\u6a21\u5757\u63a5\u53e3\u5177\u5907\u53ef\u914d\u7f6e\u80fd\u529b\u3002\u6d4b\u8bd5<\/u>\u7ed3\u679c\u8868\u660e\uff0cCAN\u63a5\u53e3\u53caFlexRay\u63a5\u53e3\u5728\u6307\u5b9a\u7684\u6ce2\u7279\u7387\u4e0b\u5747\u5de5\u4f5c\u6b63\u5e38\uff0c\u6ee1\u8db3\u9879\u76ee\u8981\u6c42\u7684\u5404\u9879\u6027\u80fd\u6307\u6807\u3002<\/p>\n

\n\t1 \u6982\u8ff0<\/p>\n

\n\t <\/div>\n

\n\tCAN\u603b\u7ebf\u662f\u4e00\u79cd\u6709\u6548\u5730\u652f\u6301\u5206\u5e03\u5f0f\u63a7\u5236\u6216\u8005\u5b9e\u65f6\u63a7\u5236\u7684\u4e32\u884c\u901a\u4fe1\u7f51\u7edc\uff0c\u5177\u6709\u591a\u4e3b\u673a\u3001\u9ad8\u6027\u80fd\u4ee5\u53ca\u9ad8\u53ef\u9760\u6027\u3002\u7136\u800c\u968f\u7740\u6c7d\u8f66\u7535\u5b50\u6280\u672f\u7684\u53d1\u5c55\uff0c\u65e9\u671f\u7684CAN\u603b\u7ebf\u5df2\u7ecf\u4e0d\u80fd\u5f88\u597d\u5730\u89e3\u51b3\u4f17\u591a\u7535\u5b50\u8bbe\u5907\u4e4b\u95f4\u7684\u5b9e\u65f6\u901a\u4fe1\u95ee\u9898\u3002\u7531FlexRay\u8054\u76df\u5236\u5b9a\u7684FlexRay\u534f\u8bae\u6807\u51c6\u6210\u4e3a\u4e00\u79cd\u7406\u60f3\u7684\u89e3\u51b3\u65b9\u6848\u3002FlexRay\u901a\u8baf\u534f\u8bae\u8fd0\u7528\u4e8e\u53ef\u9760\u7684\u8f66\u5185\u7f51\u7edc\u4e2d\uff0c\u662f\u4e00\u79cd\u5177\u5907\u6545\u969c\u5bb9\u9519\u7684\u9ad8\u901f\u6c7d\u8f66\u603b\u7ebf\u7cfb\u7edf\u3002\u4f5c\u4e3a\u4e00\u79cd\u7075\u6d3b\u7684\u8f66\u8f7d\u7f51\u7edc\u7cfb\u7edf\uff0cFlexRay\u5177\u6709\u9ad8\u901f\u3001\u53ef\u9760\u53ca\u5b89\u5168\u7684\u7279\u70b9\uff0c\u5b83\u4e0d\u4ec5\u80fd\u7b80\u5316\u8f66\u8f7d\u901a\u4fe1\u7cfb\u7edf\u7684\u67b6\u6784\uff0c\u800c\u4e14\u6709\u52a9\u4e8e\u6c7d\u8f66\u7535\u5b50\u5355\u5143\u83b7\u5f97\u66f4\u9ad8\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002FlexRay\u5728\u7269\u7406\u4e0a\u901a\u8fc72\u6761\u5206\u5f00\u7684\u603b\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u6bcf\u4e00\u6761\u7684\u6570\u636e\u901f\u7387\u662f10 Mb\/s\u3002CAN\u7f51\u7edc\u6700\u9ad8\u6027\u80fd\u6781\u9650\u4e3a1Mb\/s\uff0c\u800cFlexRay\u603b\u6570\u636e\u901f\u7387\u53ef\u8fbe20Mb\/s\u3002FlexRay\u8fd8\u80fd\u591f\u63d0\u4f9b\u5f88\u591a\u7f51\u7edc\u6240\u4e0d\u5177\u6709\u7684\u53ef\u9760\u6027\u7279\u70b9\uff0c\u5c24\u5176\u662fFlexRay\u5177\u5907\u7684\u5197\u4f59\u901a\u4fe1\u80fd\u529b\uff0c\u901a\u8fc7\u786c\u4ef6\u53ef\u5b9e\u73b0\u5b8c\u5168\u590d\u5236\u7f51\u7edc\u914d\u7f6e\uff0c\u5e76\u8fdb\u884c\u8fdb\u5ea6\u76d1\u6d4b\u3002CAN\u603b\u7ebf\u548cFlexRay\u603b\u7ebf\u4e24\u8005\u5728\u529f\u80fd\u53ca\u642d\u914d\u4e0a\u53ef\u5b9e\u73b0\u4e92\u8865\u3002FPGA\u5728\u6570\u5b57\u7535\u8def<\/u>\u8bbe\u8ba1\u4e0a\u975e\u5e38\u7075\u6d3b\u4e14\u6027\u80fd\u5f3a\u5927\uff0c\u5728\u4e0d\u6539\u53d8\u5916\u56f4\u7535\u8def<\/u>\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u7f16\u5199\u4e0d\u540c\u7684\u7247\u5185\u7535\u8def\u903b\u8f91\uff0c\u4ee5\u5b9e\u73b0\u4e0d\u540c\u529f\u80fd\u6216\u8fdb\u884c\u529f\u80fd\u6269\u5c55\u3002<\/p>\n

\n\t\u672c\u6587\u63d0\u51fa\u7684\u8f66\u7535\u603b\u7ebf\u63a5\u53e3\u5355\u5143\u7efc\u5408\u8003\u8651\u7528\u6237\u7684\u5177\u4f53\u9700\u6c42\uff0c\u4fdd\u7559CAN\u603b\u7ebf\u4f5c\u4e3a\u536b\u661f\u5bfc\u822a\u8bbe\u5907\u63a5\u53e3\u603b\u7ebf\uff0c\u5176\u4f59\u63a5\u53e3\u603b\u7ebf\u91c7\u7528\u9ad8\u901f\u7684FlexRay\u603b\u7ebf\uff0c\u65e2\u517c\u5bb9\u8f83\u4f4e\u901f\u63a5\u53e3\u7684\u901a\u4fe1\u901f\u7387\u8981\u6c42\uff0c\u53c8\u6ee1\u8db3\u9ad8\u901f\u603b\u7ebf\u63a5\u53e3\u7684\u9700\u8981\uff0c\u5c06CAN\u548cFlexRay\u603b\u7ebf\u7ed3\u5408\u5728\u4e00\u8d77\uff0c\u57fa\u4e8eFPGA\uff0c\u4f7f\u6210\u672c\u4e0e\u6548\u76ca\u6700\u5927\u5316\u3002<\/p>\n

\n\t2 \u8f66\u7535\u603b\u7ebf\u67b6\u6784<\/p>\n

\n\t\u672c\u6587\u7efc\u5408\u5316\u5904\u7406\u7cfb\u7edf\u9879\u76ee\u4e2d\u5904\u7406\u7cfb\u7edf\u91c7\u7528\u591a\u5904\u7406\u5668\u7ed3\u6784\uff0c\u677f\u95f4\u901a\u4fe1\u6570\u636e\u91cf\u8f83\u5927\u3002\u82e5\u91c7\u7528PCI\u603b\u7ebf\u8fdb\u884c\u4fe1\u53f7\u4f20\u8f93\u5219\u7531\u4e8ePCI\u603b\u7ebf\u5e26\u5bbd\u6709\u9650\uff0c\u5f53\u6570\u636e\u91cf\u8f83\u5927\u65f6\u5bb9\u6613\u5f62\u6210\u901a\u4fe1\u74f6\u9888\uff0c\u4e14PCI\u603b\u7ebf\u4e0d\u652f\u6301\u70b9\u5bf9\u70b9\u4f20\u8f93\u3002\u82e5\u9009\u7528\u4ee5\u592a\u7f51<\/u>\uff0c\u5219\u4f20\u8f93\u901f\u7387\u8f83\u4f4e\uff0c\u8f6f\u4ef6\u5f00\u9500\u8f83\u5927\uff0c\u4e14\u9ad8\u5e26\u5bbd\u5e26\u6765\u7684\u9ad8\u6210\u672c\u4f7f\u5b83\u5728\u7cfb\u7edf\u5185\u4e92\u8fde\u65f6\u7f3a\u4e4f\u5438\u5f15\u529b\u3002\u7ed3\u5408\u9879\u76ee\u91c7\u7528\u9ad8\u901f\u5b9e\u65f6\u603b\u7ebf\u7684\u5177\u4f53\u8981\u6c42\uff0c\u6700\u7ec8\u9009\u62e9\u57fa\u4e8eVPX\u67b6\u6784\u7684RapidIO\u603b\u7ebf\u8fdb\u884c\u901a\u4fe1\u4f20\u8f93\u3002VPX\u603b\u7ebf\u91c7\u7528\u9ad8\u901f\u4e32\u884c\u603b\u7ebf\u6280\u672f\u66ff\u4ee3VME\u603b\u7ebf\u7684\u5e76\u884c\u603b\u7ebf\u6280\u672f\uff0c\u652f\u6301\u66f4\u9ad8\u7684\u80cc\u677f\u5e26\u5bbd\u3002\u5176\u4ea4\u6362\u5f0f\u7ed3\u6784\u4f7f\u5f97\u7cfb\u7edf\u6574\u4f53\u6027\u80fd\u4e0d\u518d\u53d7\u4e3b\u63a7\u677f\u7684\u63a7\u5236\uff0c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u3002\u901a\u8fc7\u4e32\u884cRapidIO(SRIO)\u8f6c\u6362\uff0c\u5b8c\u6210\u4e86RapidIO-CAN\u3001RapidIO-FlexRay\u534f\u8bae\u8f6c\u6362\u529f\u80fd\uff0c\u5b9e\u73b0\u4e86\u8f66\u7535\u603b\u7ebf\u4e0e\u4efb\u52a1\u603b\u7ebf(RapidIO)\u7684\u65e0\u7f1d\u8fde\u63a5\uff0c\u8fdb\u800c\u6ee1\u8db3\u4e86\u5904\u7406\u7cfb\u7edf\u9879\u76ee\u9ad8\u901f\u3001\u591a\u5904\u7406\u5668\u3001\u5b9e\u65f6\u7684\u901a\u4fe1\u4f20\u8f93\u8981\u6c42\u3002<\/p>\n

\n\t2.1 CAN\u6280\u672f<\/p>\n

\n\t\u63a7\u5236\u5668\u5c40\u90e8\u7f51(ControllerAreaNetwork,CAN)\u5c5e\u4e8e\u73b0\u573a\u603b\u7ebf\u7684\u8303\u7574\uff0c\u5b83\u662f\u4e00\u79cd\u6709\u6548\u652f\u6301\u5206\u5e03\u5f0f\u63a7\u5236\u6216\u5b9e\u65f6\u63a7\u5236\u7684\u4e32\u884c\u901a\u4fe1\u7f51\u7edc\u3002CAN\u7684\u5e94\u7528\u8303\u56f4\u904d\u53ca\u4ece\u9ad8\u901f\u7f51\u7edc\u5230\u4f4e\u6210\u672c\u7684\u591a\u7ebf\u8def\u7f51\u7edc\u3002<\/p>\n

\n\t(1) CAN\u7684\u5206\u5c42\u7ed3\u6784<\/p>\n

\n\tCAN\u9075\u4eceOSI\u6a21\u578b\uff0c\u6309\u7167OSI\u57fa\u51c6\u6a21\u578b\uff0cCAN\u7ed3\u6784\u5212\u5206\u4e3a2\u5c42\uff1a\u6570\u636e\u94fe\u8def\u5c42\u548c\u7269\u7406\u5c42\uff0c\u5982\u56fe1\u6240\u793a\u3002<\/p>\n

\n\t\"\u57fa\u4e8eFPGA\u7684\u8f66\u7535\u603b\u7ebf\u901a\u4fe1\u8bbe\u8ba1\u65b9\u6848\"<\/p>\n

\n\t\u56fe1 CAN\u5206\u5c42\u7ed3\u6784<\/p>\n

\n\t\u6309\u7167IEEE802.2\u548c802.3\u6807\u51c6\uff0c\u6570\u636e\u94fe\u8def\u5c42\u53c8\u5212\u5206\u4e3a\u903b\u8f91\u94fe\u8def\u63a7\u5236\u548c\u5a92\u4f53\u8bbf\u95ee\u63a7\u5236;\u7269\u7406\u5c42\u53c8\u5212\u5206\u4e3a\u7269\u7406\u4fe1\u4ee4\u3001\u7269\u7406\u5a92\u4f53\u9644\u5c5e\u88c5\u7f6e\u548c\u5a92\u4f53\u76f8\u5173\u63a5\u53e3\u3002\u5176\u4e2d\uff0c\u903b\u8f91\u94fe\u8def\u63a7\u5236\u5b50\u5c42\u4e3a\u6570\u636e\u4f20\u9012\u548c\u8fdc\u7a0b\u6570\u636e\u8bf7\u6c42\u63d0\u4f9b\u670d\u52a1;\u8bbf\u95ee\u5a92\u4f53\u63a7\u5236\u5b50\u5c42\u7684\u529f\u80fd\u4e3b\u8981\u662f\u4f20\u9001\u89c4\u5219\uff0c\u5373\u63a7\u5236\u5e27\u7ed3\u6784\u3001\u6267\u884c\u4ef2\u88c1\u3001\u9519\u8bef\u68c0\u9a8c\u3001\u51fa\u9519\u6807\u5b9a\u548c\u6545\u969c\u754c\u5b9a\u3002<\/p>\n

\n\t(2) CAN\u603b\u7ebf\u7684\u4e3b\u8981\u7279\u70b9<\/p>\n

\n\tCAN\u4e3a\u591a\u4e3b\u5de5\u4f5c\u65b9\u5f0f\uff0c\u7f51\u7edc\u4e0a\u7684\u4efb\u610f\u8282\u70b9\u5728\u4efb\u610f\u65f6\u523b\u90fd\u53ef\u4ee5\u4e3b\u52a8\u5730\u5411\u5176\u4ed6\u8282\u70b9\u53d1\u9001\u4fe1\u606f\uff0c\u4e0d\u5206\u4e3b\u4ece\uff0c\u65b9\u5f0f\u7075\u6d3b\u3002\u5176\u91c7\u7528\u975e\u7834\u574f\u6027\u7684\u603b\u7ebf\u4ef2\u88c1\u6280\u672f\uff0c\u53ef\u4ee5\u8fdb\u884c\u70b9\u5bf9\u70b9\u3001\u4e00\u70b9\u5bf9\u591a\u70b9\u548c\u5168\u57df\u5e7f\u64ad\u65b9\u5f0f\u4f20\u9012\u4fe1\u606f\uff0c\u591a\u70b9\u540c\u65f6\u53d1\u9001\u4fe1\u606f\u65f6\uff0c\u6309\u4f18\u5148\u7ea7\u987a\u5e8f\u901a\u4fe1\uff0c\u8282\u7701\u603b\u7ebf\u51b2\u7a81\u4ef2\u88c1\u65f6\u95f4\uff0c\u907f\u514d\u7f51\u7edc\u762b\u75ea\u3002\u62a5\u6587\u4f20\u9001\u91c7\u7528\u77ed\u5e27\u6570\u636e\u7ed3\u6784\uff0c\u4f20\u8f93\u65f6\u95f4\u77ed\uff0c\u6297\u5e72\u6270\u80fd\u529b\u5f3a\uff0c\u68c0\u9519\u6548\u679c\u597d\u3002\u7f51\u7edc\u8282\u70b9\u5728\u9519\u8bef\u4e25\u91cd\u7684\u60c5\u51b5\u4e0b\u53ef\u4ee5\u81ea\u52a8\u5173\u95ed\u8f93\u51fa\u529f\u80fd\uff0c\u8131\u79bb\u7f51\u7edc\uff0c\u5b9e\u73b0\u4e86\u6807\u51c6\u5316\u3001\u89c4\u8303\u5316\u3002<\/p>\n

\n\t2.2 FlexRay\u6280\u672f<\/p>\n

\n\t(1) FlexRay\u5206\u5c42\u7ed3\u6784<\/p>\n

\n\tFlexRay\u7684\u5206\u5c42\u7ed3\u6784\u7531\u7269\u7406\u5c42\u3001\u4f20\u8f93\u5c42\u3001\u8868\u793a\u5c42\u53ca\u5e94\u7528\u5c42\u7ec4\u6210\u3002\u7269\u7406\u5c42\u5b9a\u4e49\u4e86\u4fe1\u53f7\u7684\u5b9e\u9645\u4f20\u8f93\u65b9\u5f0f\uff0c\u5305\u62ec\u5728\u65f6\u57df\u4e0a\u68c0\u6d4b\u901a\u4fe1\u63a7\u5236\u5668\u6545\u969c\u7684\u529f\u80fd;\u4f20\u8f93\u5c42\u662fFlexRay\u534f\u8bae\u7684\u6838\u5fc3\uff0c\u5b83\u7684\u529f\u80fd\u662f\u4ece\u8868\u793a\u5c42\u83b7\u5f97\u8282\u70b9\u8981\u53d1\u9001\u7684\u4fe1\u606f\u548c\u628a\u7f51\u7edc\u4e0a\u63a5\u6536\u7684\u4fe1\u606f\u4f20\u9001\u7ed9\u8868\u793a\u5c42;\u8868\u793a\u5c42\u5b8c\u6210\u4fe1\u606f\u8fc7\u6ee4\u3001\u4fe1\u606f\u72b6\u6001\u5904\u7406\u4ee5\u53ca\u901a\u9053\u63a7\u5236\u5668\u4e0e\u4e3b\u673a\u7684\u63a5\u53e3;\u5e94\u7528\u5c42\u7531\u5e94\u7528\u7cfb\u7edf\u5b9a\u4e49\u3002<\/p>\n

\n\t(2) FlexRay\u8282\u70b9\u7ed3\u6784<\/p>\n

\n\tFlexRay\u8282\u70b9\u7684\u6838\u5fc3\u662fECU(Electronic Control Unit)\uff0c\u662f\u63a5\u5165\u8f66\u8f7d\u7f51\u7edc\u4e2d\u7684\u72ec\u7acb\u5b8c\u6210\u76f8\u5e94\u529f\u80fd\u7684\u63a7\u5236\u5355\u5143\u3002\u4e3b\u8981\u7531\u7535\u6e90\u4f9b\u7ed9\u7cfb\u7edf\u3001\u4e3b\u5904\u7406\u5668\u3001\u56fa\u5316FlexRay\u901a\u4fe1\u63a7\u5236\u5668\u3001\u53ef\u9009\u7684\u603b\u7ebf\u76d1\u63a7<\/u>\u5668\u548c\u603b\u7ebf\u9a71\u52a8\u5668\u7ec4\u6210\u3002\u4e3b\u5904\u7406\u5668\u63d0\u4f9b\u548c\u4ea7\u751f\u6570\u636e\uff0c\u5e76\u901a\u8fc7FlexRay\u901a\u4fe1\u63a7\u5236\u5668\u4f20\u9001\u51fa\u53bb\u3002\u5176\u4e2d\u9a71\u52a8\u5668\u548c\u76d1\u63a7\u5668\u7684\u4e2a\u6570\u5bf9\u5e94\u4e8e\u901a\u9053\u6570\uff0c\u4e0e\u901a\u4fe1\u63a7\u5236\u5668\u548c\u5fae\u5904\u7406\u5668\u76f8\u8fde\u3002\u603b\u7ebf\u9a71\u52a8\u5668\u8fde\u63a5\u7740\u901a\u4fe1\u63a7\u5236\u5668\u548c\u603b\u7ebf\uff0c\u6216\u662f\u8fde\u63a5\u603b\u7ebf\u76d1\u63a7\u5668\u548c\u603b\u7ebf\u3002\u4e3b\u5904\u7406\u5668\u628aFlexRay\u63a7\u5236\u5668\u5206\u914d\u7684\u65f6\u95f4\u69fd\u901a\u77e5\u7ed9\u603b\u7ebf\u76d1\u89c6\u5668\uff0c\u7136\u540e\u603b\u7ebf\u76d1\u89c6\u5668\u5c31\u5141\u8bb8FlexRay\u63a7\u5236\u5668\u5728\u8fd9\u4e9b\u65f6\u95f4\u69fd\u4e2d\u4f20\u8f93\u6570\u636e\u3002\u6570\u636e\u53ef\u4ee5\u968f\u65f6\u88ab\u63a5\u6536\u3002\u7ed3\u6784\u56fe\u5982\u56fe2\u6240\u793a\u3002<\/p>\n

\n\t\"\u57fa\u4e8eFPGA\u7684\u8f66\u7535\u603b\u7ebf\u901a\u4fe1\u8bbe\u8ba1\u65b9\u6848\"<\/p>\n

\n\t\u56fe2 FlexRay\u8282\u70b9\u7ed3\u6784<\/p>\n

\n\t(3) FlexRay\u7f51\u7edc\u62d3\u6251\u7ed3\u6784<\/p>\n

\n\tFlexRay\u7684\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u4e3b\u8981\u5206\u4e3a3\u79cd\uff1a\u603b\u7ebf\u5f0f\uff0c\u661f\u578b\uff0c\u603b\u7ebf\u661f\u578b\u6df7\u5408\u578b\u3002\u5728\u661f\u578b\u7ed3\u6784\u4e2d\u8fd8\u5b58\u5728\u7ea7\u8054\u65b9\u5f0f\u3002\u901a\u5e38\uff0cFlexRay\u8282\u70b9\u53ef\u4ee5\u652f\u63012\u4e2a\u4fe1\u9053\uff0c\u5728\u53cc\u4fe1\u9053\u7cfb\u7edf\u4e2d\uff0c\u4e0d\u662f\u6240\u6709\u8282\u70b9\u90fd\u5fc5\u987b\u4e0e2\u4e2a\u4fe1\u9053\u8fde\u63a5\u3002\u4e0e\u603b\u7ebf\u7ed3\u6784\u76f8\u6bd4\uff0c\u661f\u72b6\u7ed3\u6784\u7684\u4f18\u52bf\u5728\u4e8e\uff1a\u5b83\u5728\u63a5\u6536\u5668\u548c\u53d1\u9001\u5668\u4e4b\u95f4\u63d0\u4f9b\u70b9\u5230\u70b9\u8fde\u63a5\u3002\u8be5\u4f18\u52bf\u5728\u9ad8\u4f20\u8f93\u901f\u7387\u548c\u957f\u4f20\u8f93\u7ebf\u8def\u4e2d\u5c24\u4e3a\u660e\u663e\u3002\u53e6\u4e00\u4e2a\u91cd\u8981\u4f18\u52bf\u662f\u9519\u8bef\u5206\u79bb\u529f\u80fd\u3002\u53cc\u901a\u9053\u5907\u7528\u661f\u578b\u7ed3\u6784\u5982\u56fe3\u6240\u793a\u3002<\/p>\n

\n\t\"\u57fa\u4e8eFPGA\u7684\u8f66\u7535\u603b\u7ebf\u901a\u4fe1\u8bbe\u8ba1\u65b9\u6848\"<\/p>\n

\n\t\"\u57fa\u4e8eFPGA\u7684\u8f66\u7535\u603b\u7ebf\u901a\u4fe1\u8bbe\u8ba1\u65b9\u6848\"<\/p>\n

\n\t\u56fe3 FlexRay\u7f51\u7edc\u62d3\u6251\u7ed3\u6784<\/p>\n

\n\t(4) FlexRay\u72b6\u6001<\/p>\n

\n\tFlexRay\u7684\u8282\u70b9\u67096\u4e2a\u57fa\u672c\u7684\u8fd0\u884c\u72b6\u6001\uff1a<\/p>\n

\n\t1)\u914d\u7f6e\u72b6\u6001(\u9ed8\u8ba4\u914d\u7f6e\/\u914d\u7f6e)\uff1a\u7528\u4e8e\u5404\u79cd\u521d\u59cb\u5316\u8bbe\u7f6e\uff0c\u5305\u62ec\u901a\u4fe1\u5468\u671f\u548c\u6570\u636e\u901f\u7387\u3002<\/p>\n

\n\t2)\u5c31\u7eea\u72b6\u6001\uff1a\u7528\u4e8e\u8fdb\u884c\u5185\u90e8\u7684\u901a\u4fe1\u8bbe\u7f6e\u3002<\/p>\n

\n\t3)\u5524\u9192\u72b6\u6001\uff1a\u7528\u4e8e\u5524\u9192\u6ca1\u6709\u5728\u901a\u4fe1\u7684\u8282\u70b9\u3002\u5f53\u8282\u70b9\u7684\u6536\u53d1\u5668<\/u>\u63a5\u53d7\u5230\u5524\u9192\u7279\u5f81\u7b26\u540e\uff0c\u5bf9\u4e3b\u673a\u5904\u7406\u5668\u548c\u901a\u4fe1\u63a7\u5236\u5668\u8fdb\u884c\u4e0a\u7535\uff0c\u5524\u9192\u5e76\u6fc0\u6d3b\u901a\u4fe1\u63a7\u5236\u5668\u3001\u603b\u7ebf\u9a71\u52a8\u5668\u548c\u603b\u7ebf\u76d1\u63a7\u5668\u3002<\/p>\n

\n\t4)\u542f\u52a8\u72b6\u6001\uff1a\u7528\u4e8e\u542f\u52a8\u65f6\u949f<\/u>\u540c\u6b65\uff0c\u5e76\u4e3a\u901a\u4fe1\u505a\u51c6\u5907\u3002\u53ea\u6709\u5c06\u8282\u70b9\u5524\u9192\u540e\uff0c\u624d\u80fd\u542f\u52a8\u8282\u70b9\u5de5\u4f5c\u3002\u7cfb\u7edf\u7684\u542f\u52a8\u75312\u4e2a\u903b\u8f91\u6b65\u9aa4\u7ec4\u6210\uff0c\u51b7\u542f\u52a8\u8282\u70b9\u542f\u52a8\u548c\u5176\u4ed6\u975e\u51b7\u542f\u52a8\u8282\u70b9\u901a\u8fc7\u63a5\u53d7\u542f\u52a8\u5e27\u4e0e\u51b7\u542f\u52a8\u8282\u70b9\u6574\u5408\u5230\u4e00\u8d77\u3002<\/p>\n

\n\t5)\u6b63\u5e38\u72b6\u6001(\u4e3b\u52a8\/\u88ab\u52a8)\uff1a\u53ef\u4ee5\u8fdb\u884c\u901a\u4fe1\u7684\u72b6\u6001\u3002<\/p>\n

\n\t6)\u4e2d\u65ad\u72b6\u6001\uff1a\u8868\u660e\u901a\u4fe1\u4e2d\u65ad\u3002<\/p>\n

\n\tFlexRay\u72b6\u6001\u56fe\u5982\u56fe4\u6240\u793a\u3002<\/p>\n

\n\t\"\u57fa\u4e8eFPGA\u7684\u8f66\u7535\u603b\u7ebf\u901a\u4fe1\u8bbe\u8ba1\u65b9\u6848\"<\/p>\n

\n\t\u56fe4 FlexRay\u72b6\u6001<\/p>\n

\n\t3 \u8f66\u7535\u603b\u7ebf\u63a5\u53e3\u5355\u5143\u8bbe\u8ba1<\/p>\n

\n\t3.1 \u603b\u7ebf\u63a5\u53e3\u5355\u5143\u7ec4\u6210<\/p>\n

\n\t\u5728\u7efc\u5408\u5316\u5904\u7406\u7cfb\u7edf\u67b6\u6784\u4e2d\uff0c\u8f66\u7535\u603b\u7ebf\u8bbf\u95ee\u53ef\u7b80\u5316\u4e3a\u4e0b\u5217\u90e8\u5206\uff1a\u4e3b\u63a7\u5355\u5143\uff0cRapidIO\u4ea4\u6362\u5355\u5143\uff0c\u603b\u7ebf\u63a5\u53e3\u5355\u5143\u548c\u8f66\u7535\u603b\u7ebf\u3002\u4e3b\u63a7\u5355\u5143\u5305\u542b\u5904\u7406\u5668\u548cPCIe-SRIO\u8f6c\u63a5\u6865\u3002\u5904\u7406\u5668\u5c06\u4fe1\u53f7\u53d1\u9001\u81f3PCIe-SRIO\u8f6c\u63a5\u6865\uff0c\u6570\u636e\u901a\u8fc7SRIO\u4ea4\u6362\uff0c\u4f20\u8f93\u81f3\u603b\u7ebf\u63a5\u53e3\u5355\u5143\uff0c\u6700\u7ec8\u5b9e\u73b0\u5904\u7406\u5668\u5bf9\u8f66\u7535\u603b\u7ebf\u4e0a\u5404\u4f20\u611f\u5668<\/u>\u7684\u8bbf\u95ee\u4e0e\u63a7\u5236\u3002\u8f66\u7535\u603b\u7ebf\u8bbf\u95ee\u7684\u6574\u4f53\u67b6\u6784\u5982\u56fe5\u6240\u793a\u3002<\/p>\n

\n\t\"\u57fa\u4e8eFPGA\u7684\u8f66\u7535\u603b\u7ebf\u901a\u4fe1\u8bbe\u8ba1\u65b9\u6848\"<\/p>\n

\n\t\u56fe5 \u7cfb\u7edf\u603b\u4f53\u67b6\u6784<\/p>\n

\n\t\u603b\u7ebf\u63a5\u53e3\u5355\u5143\u91c7\u75283U\u3001VPX\u7ed3\u6784\uff0c\u677f\u5361\u4e3b\u8981\u7531XILINX\u7684Virte<\/u>x6\u7cfb\u5217FPGA XC6VLX75T\u5b8c\u6210CAN\u603b\u7ebf\u63a7\u5236\u5668\u3001FlexRay\u603b\u7ebf\u63a7\u5236\u5668\u3001RapidIO\u603b\u7ebf\u63a5\u53e3\u7b49\u6a21\u5757\u529f\u80fd\uff0c\u8f85\u4e4b\u4ee5CAN\u548cFlexRay\u603b\u7ebf\u63a5\u53e3PHY\u3001\u6676\u632f<\/u>\u3001\u7535\u538b\u8f6c\u6362\u5668\u7b49\u82af\u7247\u5b8c\u6210\u603b\u7ebf\u63a5\u53e3\u5355\u5143\u8bbe\u8ba1\u3002\u603b\u7ebf\u63a5\u53e3\u5355\u5143\u4e3b\u8981\u5b8c\u6210RapidIO-FlexRay\u3001RapidIO-CAN\u534f\u8bae\u8f6c\u6362\u529f\u80fd\uff0c\u5b9e\u73b0\u4e86\u8f66\u7535\u603b\u7ebf\u4e0e\u4efb\u52a1\u603b\u7ebf(RapidIO)\u7684\u65e0\u7f1d\u8fde\u63a5\u3002\u7531\u4e8e\u8be5\u603b\u7ebf\u63a5\u53e3\u6a21\u5757\u4e0d\u542bFlexRay\u603b\u7ebf\u76d1\u63a7\u529f\u80fd\uff0c\u82e5\u8981\u5b9e\u73b0\u5bf9\u603b\u7ebf\u7684\u76d1\u63a7\uff0c\u9700\u5728\u8282\u70b9\u4e0a\u5916\u63a5\u76d1\u63a7\u8bbe\u5907\u3002\u603b\u7ebf\u63a5\u53e3\u5355\u5143\u529f\u80fd\u7ec4\u6210\u6846\u56fe\u5982\u56fe6\u6240\u793a\u3002<\/p>\n

\n\t\"\u57fa\u4e8eFPGA\u7684\u8f66\u7535\u603b\u7ebf\u901a\u4fe1\u8bbe\u8ba1\u65b9\u6848\"<\/p>\n

\n\t\u56fe6 \u603b\u7ebf\u63a5\u53e3\u5355\u5143\u529f\u80fd\u7ec4\u6210\u6846\u56fe<\/p>\n

\n\t3.2 \u8f66\u7535\u603b\u7ebf\u63a5\u53e3\u8bbe\u8ba1<\/p>\n

\n\t3.2.1 CAN\u603b\u7ebf\u63a5\u53e3\u8bbe\u8ba1<\/p>\n

\n\t\u5355\u5143\u6a21\u5757\u901a\u8fc7FPGA\u8f93\u51fa\u56db\u8defGPIO\u4fe1\u53f7\uff0cGPIO\u8fde\u63a5\u7535\u538b\u8f6c\u6362\u82af\u7247\u4ee5\u5b8c\u6210\u7535\u5e73\u8f6c\u6362\uff0cCAN\u603b\u7ebf\u4fe1\u53f7\u5b8c\u6210\u7535\u5e73\u8f6c\u6362\u540e\u8fde\u63a5CAN\u82af\u7247\uff0c\u4ece\u800c\u8f93\u51faCAN\u603b\u7ebf\u4fe1\u53f7\u4e0e\u603b\u7ebf\u63a5\u53e3\u5355\u5143VPX\u63a5\u63d2\u4ef6\u76f8\u8fde\uff0c\u5982\u56fe7\u6240\u793a\u3002<\/p>\n

\n\t\"\u57fa\u4e8eFPGA\u7684\u8f66\u7535\u603b\u7ebf\u901a\u4fe1\u8bbe\u8ba1\u65b9\u6848\"<\/p>\n

\n\t\u56fe7 CAN\u603b\u7ebf\u63a5\u53e3\u786c\u4ef6\u7ec4\u6210\u539f\u7406<\/p>\n

\n\tCAN\u5e27\u65f6\uff0c\u5904\u7406\u5668\u9a71\u52a8\u5728\u5185\u5b58\u5b9a\u4e49\u5e76\u7ec4\u7ec7\u4e00\u4e2a\u4e0b\u56fe\u7ed3\u6784\u4f53\uff0c\u4f7f\u7528RapidIO\u4e2dNWRITE-R\u4e8b\u52a1\uff0c\u5199\u5165FPGA\u63a7\u5236\u5668CAN\u53d1\u9001\u7f13\u51b2\u533a\u5730\u5740\uff0c\u5373\u523b\u5b8c\u6210\u53d1\u9001;\u5f53CAN\u63a7\u5236\u5668\u5b8c\u6210\u53d1\u9001\u540e\uff0c\u5c06\u5bf9\u8be5\u5904\u7406\u5668\u4ea7\u751f\u4e2d\u65ad\uff0c\u544a\u77e5\u53d1\u9001\u7ed3\u679c\u3002<\/p>\n

\n\t\u5f53\u63a5\u6536CAN\u5e27\u65f6\uff0c\u5904\u7406\u5668\u9a71\u52a8\u5728\u5185\u5b58\u5b9a\u4e49\u4e00\u4e2a\u4e0a\u56fe\u7ed3\u6784\u4f53\uff0c\u5e76\u5c06\u5185\u5b58\u5730\u5740\u4f7f\u7528Rapid IO\u4e2dNWRITE-R\u4e8b\u52a1\uff0c\u5199\u5165FPGA\u63a7\u5236\u5668CAN\u63a5\u6536\u7f13\u51b2\u533a\u5730\u5740;\u5f53CAN\u63a7\u5236\u5668\u63a5\u6536\u5b8c\u4e00\u5e27\u540e\uff0c\u901a\u8fc7NWRITE-R\u4e8b\u52a1\u5199\u5165\u5bf9\u8be5\u5904\u7406\u5668\u5730\u5740\u7a7a\u95f4\u4e2d\u5e76\u4ea7\u751f\u4e2d\u65ad\uff0c\u544a\u77e5\u53d1\u9001\u7ed3\u679c\u3002\u56fe8\u662f\u5185\u5b58\u6570\u636e\u7ed3\u6784\u3002<\/p>\n

\n\t\"\u57fa\u4e8eFPGA\u7684\u8f66\u7535\u603b\u7ebf\u901a\u4fe1\u8bbe\u8ba1\u65b9\u6848\"<\/p>\n

\n\t\u56fe8 CAN\u5185\u5b58\u6570\u636e\u7ed3\u6784<\/p>\n

\n\t3.2.2 FlexRay\u603b\u7ebf\u63a5\u53e3\u8bbe\u8ba1<\/p>\n

\n\t\u5355\u5143\u6a21\u5757\u901a\u8fc7FPGA\u8f93\u51fa\u4e24\u8defGPIO\u4fe1\u53f7\uff0cGPIO\u8fde\u63a5\u7535\u538b\u8f6c\u6362\u82af\u7247\u4ee5\u5b8c\u6210\u7535\u5e73\u8f6c\u6362\uff0cFlexRay\u603b\u7ebf\u4fe1\u53f7\u5b8c\u6210\u7535\u5e73\u8f6c\u6362\u540e\u5404\u8f93\u51fa\u4e24\u8def\u8fde\u63a5FlexRay\u6536\u53d1\u5668\u3002\u7531\u4e8e\u8be5XILINX\u6838\u4e2d\u53ea\u652f\u6301FlexRay\u5355\u4fe1\u9053\uff0c\u56e0\u6b64\u9009\u62e9\u4e24\u8defFlexRay\u4fe1\u9053\u5f62\u6210\u5197\u4f59\u8bbe\u8ba1\uff0c2\u7ec4\u4fe1\u9053\u90fd\u5206\u4e3aA\u3001B2\u4e2a\u901a\u9053\uff0c\u6ee1\u8db3FlexRay\u53cc\u4fe1\u9053\u7684\u8981\u6c42\u3002\u6536\u53d1\u5668\u9009\u7528TJA1080\uff0cTJA1080\u6536\u53d1\u5668\u662f\u6069\u667a\u6d66\u516c\u53f8\u51fa\u54c1\u7684\u4e00\u6b3e\u9488\u5bf9FlexRay\u7684\u5177\u6709\u9ad8\u901f\u65f6\u95f4\u89e6\u53d1\u901a\u8baf\u7cfb\u7edf\u7684\u6536\u53d1\u82af\u7247\uff0c\u4e5f\u662f\u5168\u7403\u7b2c\u4e00\u6b3e\u7b26\u5408FlexRay\u534f\u8bae2.1\u89c4\u5b9a\u7684FlexRay\u6536\u53d1\u5668\uff0c\u5177\u6709\u9ad8\u8fbe10Mb\/s\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u3002\u6bcf\u8def\u4fe1\u53f7\u5206\u522b\u901a\u8fc7JTA1080\u540e\uff0c\u6700\u7ec8\u8f93\u51fa\u56db\u8defFlexRay\u4fe1\u53f7\uff0c\u5e76\u4e0e\u603b\u7ebf\u63a5\u53e3\u5355\u5143VPX\u63a5\u63d2\u4ef6\u76f8\u8fde\u3002\u8be6\u7ec6\u7ed3\u6784\u5982\u56fe9\u6240\u793a\u3002<\/p>\n

\n\t\"\u57fa\u4e8eFPGA\u7684\u8f66\u7535\u603b\u7ebf\u901a\u4fe1\u8bbe\u8ba1\u65b9\u6848\"<\/p>\n

\n\t\u56fe9 FlexRay\u603b\u7ebf\u63a5\u53e3\u786c\u4ef6\u7ec4\u6210\u539f\u7406<\/p>\n

\n\tFlexRay\u6bcf\u4e2a\u6570\u636e\u7684\u6570\u636e\u5e27\u7531\u5e27\u5934\u3001\u6709\u6548\u6570\u636e\u6bb5\u3001\u5e27\u5c3e3\u4e2a\u90e8\u5206\u7ec4\u6210\u3002\u82e5\u4e3a\u53d1\u9001\uff0c\u5f53\u65f6\u95f4\u7247\u5feb\u5230\u65f6\uff0c\u94fe\u8868\u63a7\u5236\u5668\u901a\u8fc7RioMaster\u6a21\u5757\u53d1\u9001NREAD\u4e8b\u52a1\u5305\u8bf7\u6c42\u6570\u636e\uff0c\u8fd4\u56de\u7684\u6570\u636e\u8fdb\u5165SendFIF<\/u>O\uff0c\u7531FlexRayIP\u8bfb\u53d6\u3002\u82e5\u4e3a\u63a5\u6536\uff0c\u5f53\u65f6\u95f4\u7247\u5230\u65f6\uff0c\u94fe\u8868\u63a7\u5236\u5668\u63d0\u4f9b\u63a5\u6536\u7684\u57fa\u5730\u5740\uff0c\u6570\u636e\u6536\u5230\u540e\u5c06\u5b58\u653e\u4e8eRecvFIFO\u4e2d\uff0c\u7ed3\u5408\u63a5\u6536\u57fa\u5730\u5740\uff0c\u901a\u8fc7NWRITE-R\u5199\u5165\u8fdc\u7aef\u5185\u5b58\uff0c\u4e4b\u540e\u53d1\u9001Doorbell\u4f7f\u5904\u7406\u5668\u4ea7\u751f\u4e2d\u65ad\u3002\u5176\u5185\u5b58\u6570\u636e\u7ed3\u6784\u5982\u56fe10\u6240\u793a\u3002<\/p>\n

\n\t\"\u57fa\u4e8eFPGA\u7684\u8f66\u7535\u603b\u7ebf\u901a\u4fe1\u8bbe\u8ba1\u65b9\u6848\"<\/p>\n

\n\t\u56fe10 FlexRay\u5185\u5b58\u6570\u636e\u7ed3\u6784<\/p>\n

\n\t3.3 FPGA\u903b\u8f91\u8bbe\u8ba1<\/p>\n

\n\t\u672c\u6587\u8bbe\u8ba1\u901a\u8fc7\u786c\u4ef6\u5b9e\u73b0CAN\u603b\u7ebf\u63a7\u5236\u5668\u3001FlexRay\u603b\u7ebf\u63a7\u5236\u5668\u3001RapidIO\u603b\u7ebf\u63a5\u53e3\u7b49\u6a21\u5757\u529f\u80fd\u3002\u91c7\u7528Virtex6\u7cfb\u5217FPGAXC6VLX75T\u5b8c\u6210RapidIO-FlexRay\u3001RapidIO-CAN\u534f\u8bae\u8f6c\u6362\u529f\u80fd\u3002<\/p>\n

\n\tFPGA\u5355\u5143\u5305\u542bSRIO\u63a7\u5236\u5668\u3001microblaze\u8f6f\u6838\u53ca\u56db\u8defCAN\u63a7\u5236\u5668\u548c\u4e24\u8defFlexRay\u63a7\u5236\u5668\u3002\u5904\u7406\u5668\u5c06\u4fe1\u53f7\u53d1\u9001\u81f3PCIe-SRIO\u8f6c\u63a5\u6865\uff0c\u7ecf\u8fc7\u6865\u82af\u7247\u8f6c\u6362\u53d1\u9001\u81f3SRIO\u4ea4\u6362\u677f\u3002\u4ea4\u6362\u677f\u7684\u4e00\u7aef\u5c06\u4fe1\u53f7\u8f6c\u53d1\u5230SRIO\u63a7\u5236\u5668\u4e0a\uff0cSRIO\u6838\u901a\u8fc7PLB\u603b\u7ebf\u5c06\u63a7\u5236\u4fe1\u53f7\u53d1\u9001\u81f3microblaze\u8f6f\u6838\uff0c\u7ecf\u8fc7\u5904\u7406\u4fe1\u53f7\u901a\u8fc7PLB\u603b\u7ebf\u53d1\u9001\u81f3\u56db\u8defCAN\u63a7\u5236\u5668\u548c\u4e24\u8defFlexRay\u63a7\u5236\u5668\u3002\u6bcf\u8defCAN\u63a7\u5236\u5668\u5747\u8fde\u63a5CAN\u8f6c\u6362\u5668ADM3053\uff0c\u6bcf\u8defFlexRay\u63a7\u5236\u5668\u5747\u8fde\u63a5FlexRay\u6536\u53d1\u5668JTA1080\u3002\u7ecf\u8fc7\u8f6c\u6362\u5668\u6700\u7ec8\u5206\u522b\u8fde\u63a5\u81f3CAN\u603b\u7ebf\u548cFlexRay\u603b\u7ebf\u4e0a\u3002\u8be5\u903b\u8f91\u8bbe\u8ba1\u7684\u4e3b\u8981\u7279\u70b9\u67093\u4e2a\uff1a<\/p>\n

\n\t(1)SRIO-PLB\u6865\u5b9e\u73b0\u4e86\u603b\u7ebf\u63a5\u53e3\u5355\u5143\u6a21\u5757\u7684srio\u603b\u7ebf\u63a5\u5165\u529f\u80fd\u3002<\/p>\n

\n\t(2)CAN\u548cFlexRay\u603b\u7ebf\u63a7\u5236\u5668\u901a\u8fc7\u677f\u8f7d\u6536\u53d1\u5668\u5b9e\u73b0\u4e86CAN\u3001FlexRay\u603b\u7ebf\u7684\u63a5\u5165\u529f\u80fd\u3002<\/p>\n

\n\t(3)microblaze\u8f6f\u6838\u5b9e\u73b0\u4e86CAN\u3001FlexRay\u63a7\u5236\u5668\u6d88\u606f\u548c\u4e8b\u4ef6\u7684\u9884\u5904\u7406\uff0c\u5b8c\u6210\u4e86\u4e0eSRIO\u603b\u7ebf\u7684\u4e92\u8fde\uff0c\u5e76\u505a\u4e86\u4efb\u52a1\u8fc1\u79fb\uff0c\u51cf\u8f7b\u4e86\u4e3b\u63a7\u5904\u7406\u5668\u7684\u538b\u529b\u3002<\/p>\n

\n\t\u8be6\u7ec6\u903b\u8f91\u7ed3\u6784\u5982\u56fe11\u6240\u793a\u3002<\/p>\n

\n\t\"\u57fa\u4e8eFPGA\u7684\u8f66\u7535\u603b\u7ebf\u901a\u4fe1\u8bbe\u8ba1\u65b9\u6848\"<\/p>\n

\n\t\u56fe11 FPGA\u6a21\u5757\u5185\u90e8\u903b\u8f91\u7ed3\u6784<\/p>\n

\n\t4 \u4eff\u771f\u4e0e\u9a8c\u8bc1<\/p>\n

\n\t4.1 RapidIO\u4eff\u771f\u4e0e\u9a8c\u8bc1<\/p>\n

\n\t\u5728Xilinx\u7684ISE14.1\u5f00\u53d1\u73af\u5883\u4e0b\uff0c\u57fa\u4e8e\u8f66\u7535\u603b\u7ebf\u63a5\u53e3\u5355\u5143\u6a21\u5757\u5bf9RapidIO\u63a5\u53e3\u8fdb\u884c\u4e86\u9a8c\u8bc1\uff0c\u5229\u7528ModelSim\u5bf9\u903b\u8f91\u8bbe\u8ba1\u8fdb\u884c\u4eff\u771f\uff0c\u5176\u6ce2\u5f62\u56fe\u5982\u56fe12\u3001\u56fe13\u6240\u793a\uff0c\u901a\u8fc7\u5224\u65ad\u6570\u636e\u7684\u4e00\u81f4\u6027\u53ef\u4ee5\u9a8c\u8bc1RapidIO\u603b\u7ebf\u63a5\u53e3\u7684\u6b63\u786e\u6027\u548c\u6709\u6548\u6027\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u56fe12 RapidIO\u6570\u636e\u53d1\u9001\u65f6\u5e8f\u56fe<\/p>\n

\n\t<\/p>\n

\n\t\u56fe13 RapidIO\u6570\u636e\u63a5\u6536\u65f6\u5e8f\u56fe<\/p>\n

\n\t4.2 FlexRay\u4eff\u771f\u4e0e\u9a8c\u8bc1<\/p>\n

\n\t\u57fa\u4e8e\u8f66\u7535\u603b\u7ebf\u63a5\u53e3\u5355\u5143\u6a21\u5757\u5bf9FlexRay\u63a5\u53e3\u72b6\u6001\u673a\u5236\u8fdb\u884c\u4e86\u9a8c\u8bc1\uff0c\u5229\u7528ModelSim\u5bf9\u903b\u8f91\u8bbe\u8ba1\u8fdb\u884c\u4eff\u771f\uff0c\u5176\u6ce2\u5f62\u56fe\u5982\u56fe14\u6240\u793a\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u56fe14 FlexRay\u6570\u636e\u6536\u53d1\u65f6\u5e8f\u56fe<\/p>\n

\n\t\u4ece\u4eff\u771f\u6ce2\u5f62\u4e2d\u53ef\u4ee5\u6e05\u695a\u5730\u770b\u51faFlexRay\u72b6\u6001\u673a\u5236\u7684\u53d8\u5316\u8fc7\u7a0b\u3002\u5f53\u8282\u70b9\u7684\u6536\u53d1\u5668\u63a5\u6536\u5230\u5524\u9192\u7279\u5f81\u7b26\u540e\uff0c\u5bf9\u4e3b\u673a\u5904\u7406\u5668\u548c\u901a\u4fe1\u63a7\u5236\u5668\u8fdb\u884c\u4e0a\u7535\uff0c\u5524\u9192\u5e76\u6fc0\u6d3b\u901a\u4fe1\u63a7\u5236\u5668\u3001\u603b\u7ebf\u9a71\u52a8\u5668\u548c\u603b\u7ebf\u76d1\u63a7\u5668\u3002\u8282\u70b90\u88ab\u5524\u9192\u540e\uff0c\u5c06\u8fd4\u56de\u5524\u9192\u5b8c\u6210\u4fe1\u53f7\uff0c\u5e76\u5904\u4e8e\u7b49\u5f85\u542f\u52a8\u72b6\u6001\u3002\u63a5\u7740\u8282\u70b91\u6536\u5230\u5524\u9192\u4fe1\u53f7\uff0c\u8fd4\u56de\u5524\u9192\u5b8c\u6210\u4fe1\u53f7\uff0c\u8282\u70b91\u8fdb\u5165\u542f\u52a8\u72b6\u6001\uff0c\u8282\u70b90\u4e5f\u8fdb\u5165\u542f\u52a8\u72b6\u6001\uff0c\u6700\u7ec8\u90fd\u8fdb\u5165\u4e3b\u52a8\u5de5\u4f5c\u72b6\u6001\uff0c\u5f00\u59cb\u72b6\u6001\u673a\u5faa\u73af\uff0c\u663e\u793aFlexRay\u603b\u7ebf\u63a5\u53e3\u5de5\u4f5c\u6b63\u5e38\u3002<\/p>\n

\n\t4.3 CAN\u4eff\u771f\u4e0e\u9a8c\u8bc1<\/p>\n

\n\t\u8c03\u7528FPGA\u5185\u7684CAN\u6838\u57fa\u4e8e\u8f66\u7535\u603b\u7ebf\u63a5\u53e3\u5355\u5143\u6a21\u5757\u5bf9FlexRay\u63a5\u53e3\u72b6\u6001\u673a\u5236\u8fdb\u884c\u9a8c\u8bc1\uff0c\u5229\u7528ModelSim\u5bf9\u903b\u8f91\u8bbe\u8ba1\u8fdb\u884c\u4eff\u771f\uff0c\u7ed3\u679c\u5982\u56fe15\u6240\u793a\u3002\u7aef\u53e31\u53d1\u9001\u6269\u5c55\u5e27\u4fe1\u53f7\uff0c\u7aef\u53e30\u63a5\u6536\uff0c\u5f53\u63a5\u6536ACK\u4fe1\u53f7\u65f6\uff0c\u7aef\u53e31\u4e5f\u63a5\u6536ACK\u4fe1\u53f7\uff0c\u5b8c\u6210\u6574\u4e2a\u6269\u5c55\u5e27\u7684\u6536\u53d1\u8fc7\u7a0b\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u56fe15 CAN\u6570\u636e\u6536\u53d1\u65f6\u5e8f\u56fe<\/p>\n

\n\t\u56fe15\u8bf4\u660e\u4e86\u603b\u7ebf\u63a5\u53e3\u5355\u5143\u6a21\u5757RapidIO\u63a5\u53e3\u3001FlexRay\u63a5\u53e3\u548cCAN\u63a5\u53e3\u5b8c\u6210\u4eff\u771f\u6d4b\u8bd5\uff0c\u5de5\u4f5c\u6b63\u5e38\uff0c\u5b8c\u6210\u4e86RapidIO-FlexRay\u3001RapidIO-CAN\u7684\u534f\u8bae\u8f6c\u6362\u529f\u80fd\u3002<\/p>\n

\n\t5 \u7ed3\u675f\u8bed<\/p>\n

\n\t\u76ee\u524d\uff0c\u7b14\u8005\u6240\u5728\u56e2\u961f\u5df2\u6210\u529f\u5b8c\u6210\u6838\u5fc3\u5904\u7406\u673a\u7cfb\u7edf\u6b63\u6837\u6837\u673a\u7684\u6574\u4f53\u6d4b\u8bd5\u53ca\u9a8c\u8bc1\u5de5\u4f5c\u3002\u672c\u6587\u8bbe\u8ba1\u5728\u8be5\u7cfb\u7edf\u4e2d\u5df2\u7ecf\u901a\u8fc7\u529f\u80fd\u6027\u6d4b\u8bd5\uff0c\u57fa\u4e8eRapidIO\u7684CAN\u603b\u7ebf\u63a7\u5236\u5668\u57281Mb\/s\u7684\u6700\u5927\u6ce2\u7279\u7387\u4e0b\u5de5\u4f5c\u6b63\u5e38\uff0c\u6ee1\u8db3\u5404\u9879\u529f\u80fd\u6307\u6807\uff0c\u57fa\u4e8eRapidIO\u7684FlexRay\u603b\u7ebf\u63a7\u5236\u5668\u572810Mb\/s\u7684\u6700\u5927\u6ce2\u7279\u7387\u4e0b\u4e5f\u6ee1\u8db3\u5404\u9879\u529f\u80fd\u6307\u6807\u3002\u4e0b\u4e00\u6b65\u7684\u5de5\u4f5c\u5c06\u901a\u8fc7\u4e13\u4e1a\u7684CAN\u3001FlexRay\u7f51\u7edc\u6d4b\u8bd5\u4eea\u5668\u5bf9\u672c\u6587\u8bbe\u8ba1\u8fdb\u884c\u66f4\u5168\u9762\u7684\u6027\u80fd\u6d4b\u8bd5\uff0c\u540c\u65f6\u5c06\u7740\u91cd\u89e3\u51b3FlexRay\u603b\u7ebf\u63a5\u53e3\u7684\u4fe1\u9053\u5197\u4f59\u95ee\u9898\uff0c\u901a\u8fc7\u5bf9FlexRay\u63a7\u5236\u5668IP\u6838\u7684\u5347\u7ea7\uff0c\u4f7f\u4e4b\u652f\u6301\u53cc\u4fe1\u9053\u901a\u4fe1\uff0c\u4ece\u800c\u6ee1\u8db3FlexRay\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u53cc\u4fe1\u9053\u5197\u4f59\u8981\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e3a\u63d0\u9ad8\u96c6\u6210\u67b6\u6784\u4e2d\u8f66\u7535\u603b\u7ebf\u901a\u4fe1\u901f\u7387\uff0c\u7ed3\u5408\u7efc\u5408\u5316\u5904\u7406\u7cfb\u7edf\u9879\u76ee\u8981\u6c42\uff0c\u91c7\u7528\u53cc\u603b\u7ebf\u7ed3\u5408\u7684\u65b9\u5f0f\uff0c\u5229\u7528 CAN \u603b\u7ebf\u548cFlexRay\u603b\u7ebf\u5b9e\u73b0\u529f\u80fd\u53ca\u642d\u914d\u4e0a\u7684\u4e92\u8865\uff0c\u63d0\u51fa\u4e00\u79cd\u57fa\u4e8e\u73b0\u573a\u53ef\u7f16\u7a0b\u95e8\u9635\u5217( F<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2625"}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2625"}],"version-history":[{"count":0,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2625\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2625"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2625"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2625"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}