{"id":88,"date":"2016-12-12T17:58:31","date_gmt":"2016-12-12T09:58:31","guid":{"rendered":"https:\/\/www.jarvisw.com\/?p=88"},"modified":"2016-12-12T18:03:05","modified_gmt":"2016-12-12T10:03:05","slug":"ti-dsp-tms320f28335%e4%b8%8a%e7%9a%84tcpip%e5%8d%8f%e8%ae%ae%e6%a0%88","status":"publish","type":"post","link":"https:\/\/www.jarvisw.com\/?p=88","title":{"rendered":"TI DSP TMS320F28335\u4e0a\u7684TCP\/IP\u534f\u8bae\u6808"},"content":{"rendered":"<p>\u6700\u8fd1\u63a5\u4e86\u5b66\u6821\u4e00\u4e2a\u9879\u76ee\uff0c\u9700\u8981\u5728TMS320F28335+RTL8019AS\u5e73\u53f0\u4e0a\u5b9e\u73b0\u4e00\u4e2aTCP\/IP\u534f\u8bae\u6808\uff0c\u7f51\u4e0a\u627e\u4e86\u5927\u534a\u5708\uff0c\u5e76\u6ca1\u6709\u53d1\u73b0\u76f8\u5173\u5b9e\u73b0\uff0c\u5728\u5d4c\u5165\u5f0f\u9886\u57df\u7528\u7684\u6bd4\u8f83\u591a\u7684uip\u548clwip\u611f\u89c9\u4f53\u7cfb\u592a\u8fc7\u4e8e\u5e9e\u5927\uff0c\u79fb\u690d\u5de5\u4f5c\u91cf\u8f83\u5927\uff0c\u800c\u4e14\u8fd9\u4e24\u4e2a\u534f\u8bae\u6808\u76ee\u524d\u90fd\u9002\u5408\u642d\u914d\u64cd\u4f5c\u7cfb\u7edf\u4f7f\u7528\uff0c\u4e14bug\u4e0d\u5c11\uff0c\u5bf9\u4e8eDSP28335\u8fd9\u6837\u6027\u80fd\u4e00\u822c\u7684DSP\u6765\u8bf4\uff0c\u6709\u70b9\u6740\u9e21\u7528\u725b\u5200\u4e86\u3002<\/p>\n<p>\u540e\u6765\uff0c\u6211\u627e\u5230\u4e86ZlIP\uff08\u8be6\u7ec6\u4ecb\u7ecd\uff1a<a href=\"http:\/\/www.zlmcu.com\/project\/ZLIP\/zlip.htm\">http:\/\/www.zlmcu.com\/project\/ZLIP\/zlip.htm<\/a>\uff09\uff0c\u4e00\u4e2a\u539f\u6765\u57288051+RTL8019\u5e73\u53f0\u5b9e\u73b0\u7684\u4e00\u4e2a\u8f7b\u91cf\u7ea7TCP\/IP\u534f\u8bae\u6808\uff0c\u8fd9\u4e2a\u534f\u8bae\u6808\u53ea\u5b9e\u73b0\u4e86TCP\/IP\u7684\u534f\u8bae\uff0c\u4e14ICMP\u534f\u8bae\u53ea\u5b9e\u73b0\u4e86echo\uff0c\u4ee5\u53ca\u5e76\u4e0d\u652f\u6301UDP\u548c\u4e00\u4e9b\u5e38\u7528\u7684\u5e94\u7528\u5c42\u534f\u8bae\u6bd4\u5982HTTP\uff0c\u4e0d\u8fc7\u8fd9\u4e9b\u6b63\u597d\u4e0d\u9700\u8981\uff0c\u8fd9\u4e2a\u5b9e\u73b0\u53ef\u4ee5\u6ee1\u8db3\u9879\u76ee\u7684\u9700\u6c42\uff0c\u53c8\u4e0d\u81f3\u4e8e\u8fc7\u4e8e\u5e9e\u5927\uff0c\u6240\u4ee5\u5c31\u6253\u7b97\u5c06\u5176\u79fb\u690d\u5230TMS320F28335\u5e73\u53f0\u4e0a\u3002\u53e6\u5916\u597d\u50cf\u8fd9\u4e2a\u534f\u8bae\u6808\u76840.2\u7248\u672c\u662f\u5f00\u6e90\u7684\uff0c1.0\u7248\u672c\u5df2\u7ecf\u4f5c\u4e3a\u5546\u4e1a\u7528\u9014\uff0c\u8bf4\u660e\u7a33\u5b9a\u6027\u5e94\u8be5\u8fd8\u53ef\u4ee5\uff0c\u81f3\u4e8e\u6211\uff0c\u53ea\u9700\u8981\u5f00\u6e90\u7248\u672c\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<p>\u5f53\u7136\uff0c\u79fb\u690d\u8fc7\u7a0b\u5e76\u4e0d\u8f7b\u677e\uff0c\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u6211\u603b\u7b97\u662f\u53d1\u73b0\u4e3a\u4ec0\u4e48DSP28335\u4e0a\u4e00\u76f4\u6ca1\u6709\u4e00\u4e2a\u50cf\u6837\u7684\u534f\u8bae\u6808\u4e86\uff0c\u4e3b\u8981\u539f\u56e0\u662f28335\u7684\u603b\u7ebf\u5bbd\u5ea6\u662f16\u4f4d\u7684\uff0c\u4e00\u4e2achar\u6307\u9488\u6307\u5411\u7684\u662f2\u4e2a\u5b57\u8282\uff0c\u4e00\u4e2aInt\u4e5f\u662f2\u4e2a\u5b57\u8282\uff0c\u800c\u4e14char\u65e0\u6cd5\u62c6\u5f00\uff0c\u8fd9\u5c31\u86cb\u75bc\u4e86\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u4f20\u7edf\u534f\u8bae\u6808\u901a\u5e38\u4f1a\u91c7\u7528\u7ed3\u6784\u4f53\u7684\u65b9\u5f0f\u53bb\u89e3\u6790TCP\u6570\u636e\u5305\uff0c\u6bd4\u5982\u50cf\u8fd9\u6837\uff1a<\/p>\n<p>IP\u7684\u5934\u90e8\u901a\u5e38\u662f\u8fd9\u6837\u5b9a\u4e49\u7684\uff1a<\/p>\n<pre class=\"brush: cpp; title: ; notranslate\" title=\"\">\r\n struct SIPHead\r\n {\r\n \/* Version 4 bits, HeadLength 4 bits. typical value is 0x45 *\/\r\n BYTE Ver_HeadLen;\r\n\r\n\/* Precedence(priority) 3 bits, Delay, Throughput, Reliability\r\n , reserved 2 bits. typical value 0x00 *\/\r\n BYTE ServeType;\r\n\r\nWORD TotalLen; \/* all size of IP packet inlcude IPHead. 16 bits *\/\r\n WORD FragmentID; \/* 16 bits *\/\r\n\r\n\/* Reserved 1 bit, May be fragmented 1 bit, Last fragment 1 bit,\r\n Fragment offset 13 bits. typical 0x00 *\/\r\n #define IP_FRAGMENT_OFFSET_MASK 0x1FFF\r\n WORD FragmentFlag_Offset;\r\n\r\nBYTE LifeLength; \/* ttl *\/\r\n BYTE Protocol; \/* eg. IP_PROTOCAL_TCP*\/\r\n WORD CheckSum; \/* 16 bits *\/\r\n IP_ADDR IPScr; \/* 32 bits *\/\r\n IP_ADDR IPDest;\r\n };<\/pre>\n<p>\u5176\u4e2d\u7684IPSrc\u548cIP_Dest\u90fd\u662f4\u4e2a\u5b57\u8282\uff0c\u82e5\u76f4\u63a5\u4f7f\u7528Long\u6307\u9488\u53bb\u8f6c\u5316\uff0c\u4ed6\u53ea\u80fd\u5305\u542b2\u4e2a28335\u603b\u7ebf\u5730\u5740\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0csizeof\u8fd0\u7b97\u7684\u7ed3\u679c\u4f1a\u662f\u8fd9\u6837\uff1a<\/p>\n<p>sizeof(char) = 1<\/p>\n<p>sizeof(int) = 1<\/p>\n<p>sizeof(long) \u00a0= 2<\/p>\n<p>\u4e5f\u5c31\u662f\u8bf4\u548c\u6211\u4eec\u4e00\u822c\u610f\u4e49\u4e0a\u7684\u5e73\u53f0\u5b8c\u5168\u4e0d\u540c\uff0c\u56e0\u6b64\u4f1a\u9020\u6210\u9519\u4e71\uff0c\u65e0\u6cd5\u76f4\u63a5\u6b63\u5e38\u8fd0\u884c\u3002\u4e8e\u662f\uff0c\u6700\u540e\u5b9e\u5728\u6ca1\u529e\u6cd5\uff0c\u53ea\u597d\u628a\u7ed3\u6784\u4f53\u6240\u6709\u5c5e\u6027\u5168\u90e8\u62c6\u6210\u5355\u5b57\u8282\uff08\u4e5f\u5c31\u662f\u8bf4\u6d6a\u8d39\u4e86\u9ad88\u4f4d\uff0c2\u4e2a\u5b57\u8282\u5927\u5c0f\u7684char\u53ea\u4f7f\u7528\u6700\u4f4e\u7684\u5b57\u8282\u4f4d\uff09\uff0c\u6240\u4ee5\u4ee3\u7801\u5c31\u53d8\u6210\u8fd9\u6837\u4e86\uff1a<\/p>\n<pre class=\"brush: cpp; title: ; notranslate\" title=\"\">\r\nstruct SIPHead\r\n{\r\n \/* Version 4 bits, HeadLength 4 bits. typical value is 0x45 *\/\r\n BYTE Ver_HeadLen;\r\n\r\n \/* Precedence(priority) 3 bits, Delay, Throughput, Reliability\r\n , reserved 2 bits. typical value 0x00 *\/\r\n BYTE ServeType;\r\n\r\n BYTE TotalLenH; \/* all size of IP packet inlcude IPHead. 16 bits *\/\r\n BYTE TotalLenL;\r\n BYTE FragmentIDH; \/* 16 bits *\/\r\n BYTE FragmentIDL;\r\n\r\n \/* Reserved 1 bit, May be fragmented 1 bit, Last fragment 1 bit,\r\n Fragment offset 13 bits. typical 0x00 *\/\r\n#define IP_FRAGMENT_OFFSET_MASK 0x1FFF\r\n BYTE FragmentFlag_OffsetH;\r\n BYTE FragmentFlag_OffsetL;\r\n\r\n BYTE LifeLength; \/* ttl *\/\r\n BYTE Protocol; \/* eg. IP_PROTOCAL_TCP*\/\r\n BYTE CheckSumH; \/* 16 bits *\/\r\n BYTE CheckSumL;\r\n BYTE IPScrH; \/* 32 bits *\/\r\n BYTE IPScrh;\r\n BYTE IPScrl;\r\n BYTE IPScrL;\r\n BYTE IPDestH;\r\n BYTE IPDesth;\r\n BYTE IPDestl;\r\n BYTE IPDestL;\r\n};\r\n<\/pre>\n<p>\u6211\u5c06\u6240\u6709\u5927\u4e8e1\u4e2a\u5b57\u8282\u7684\u6210\u5458\u5bf9\u8c61\uff0c\u5168\u90e8\u62c6\u6210H\u548cL\u54041\u4e2a\u5b57\u8282\uff0c\u5176\u4e2d4\u4e2a\u5b57\u8282\u7684\u62c6\u6210\u4e86H h l L\u8fd94\u4e2a\uff0c\u7136\u540e\uff0c\u5bf9\u4e8e\u53d6\u51fa\u5bf9\u8c61\uff0c\u81ea\u5df1\u4f7f\u7528\u4e862\u4e2amerge\u51fd\u6570\uff1a<\/p>\n<pre class=\"brush: cpp; title: ; notranslate\" title=\"\">\r\nUint32 MergeNetDword(BYTE H,BYTE h,BYTE l,BYTE L)\r\n{\r\n DWORD out;\r\n out = htonl(((DWORD)H&lt;&lt;24)|((DWORD)h&lt;&lt;16)|((DWORD)l&lt;&lt;8)|(DWORD)L);\r\n return out;\r\n}\r\n\r\nUint16 MergeNetWord(BYTE H,BYTE L)\r\n{\r\n BYTE out;\r\n out = htons(((DWORD)H&lt;&lt;8)&amp;0xFF00|(DWORD)L);\r\n return out;\r\n}\r\n<\/pre>\n<p>\u5728\u6bd4\u8f83\u503c\u7684\u65f6\u5019\uff0c\u518d\u5c06\u5176\u4e2d\u7684\u6210\u5458\u5c5e\u6027\u5408\u5e76\u3002\u6700\u540e\u5199\u7684\u975e\u5e38\u86cb\u75bc\u3002\u4e0d\u8fc7\u597d\u5728\u7a0b\u5e8f\u8fd8\u662f\u6b63\u5e38\u8dd1\u8d77\u6765\u4e86\uff0cTCP\/IP\u534f\u8bae\u4e5f\u6b63\u5e38\u5de5\u4f5c\uff0c\u5f53\u7136\u86cb\u75bc\u7684\u7ec6\u8282\u8fd8\u8fdc\u4e0d\u6b62\u4e0a\u9762\u8fd9\u4e9b\u3002<\/p>\n<p>\u5728\u79fb\u690d\u8fc7\u7a0b\u4e2d\uff0c\u8fd8\u53d1\u73b0\u4e86\u539f\u4f5c\u8005\u7559\u4e0b\u7684\u4e00\u4e9bbug\u548c\u5751\uff0cARP\u534f\u8bae\u8fd8\u662f\u9519\u7684\uff0c\u6211\u4e5f\u662f\u9189\uff0c\u867d\u7136\u8fd9\u4e2a\u4e0d\u5f71\u54cd\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5bf9\u6574\u4e2a\u534f\u8bae\u6808\u4ee3\u7801\u611f\u5174\u8da3\uff0c\u4ee3\u7801\u6211\u5df2\u7ecf\u653e\u5728github\u4e0a\u4ee5MIT\u534f\u8bae\u5f00\u6e90\u4e86\uff0c\u5927\u5bb6\u53ef\u4ee5\u6233\u8fd9\u91cc\uff1a<br \/>\n<a href=\"https:\/\/github.com\/zjlywjh001\/DSP28335_ZlIP_Stack\">https:\/\/github.com\/zjlywjh001\/DSP28335_ZlIP_Stack<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u63a5\u4e86\u5b66\u6821\u4e00\u4e2a\u9879\u76ee\uff0c\u9700\u8981\u5728TMS320F28335+RTL8019AS\u5e73\u53f0\u4e0a\u5b9e\u73b0\u4e00\u4e2aTCP\/IP\u534f\u8bae\u6808\uff0c\u7f51\u4e0a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[15,14,16,10],"class_list":["post-88","post","type-post","status-publish","format-standard","hentry","category-5","tag-dsp","tag-tcpip","tag-16","tag-10"],"_links":{"self":[{"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=\/wp\/v2\/posts\/88","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=88"}],"version-history":[{"count":6,"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=\/wp\/v2\/posts\/88\/revisions"}],"predecessor-version":[{"id":94,"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=\/wp\/v2\/posts\/88\/revisions\/94"}],"wp:attachment":[{"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=88"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=88"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jarvisw.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=88"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}