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鐮斿彂鏈嶅姟
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浠€涔堬紝浠ュお缃戣兘浼燙AN鎶ユ枃锛
鍙戝竷鏃堕棿锛
2025-09-08 11:56
姒傝堪
IEEE 1722锛圓VB/TSN鍗忚鏃忎腑鐨勬牳蹇冨崗璁級涓嶄粎瀹氫箟浜嗗熀浜庝互澶綉鐨勯煶瑙嗛娴佷紶杈撴牸寮忥紙AVTP-AAF锛夛紝杩樺寘鍚簡涓€濂楀叧閿殑鎺у埗鍗忚鈥擜VTP Control Format锛堝悗鏂囩畝绉癆CF锛夛紝涓烘帶鍒舵寚浠ゅ湪杞﹀唴缃戠粶涓嶅悓鎺у埗鑺傜偣闂寸殑浼犺緭鎻愪緵浜嗘柊鐨勯€夋嫨銆侟/p>
閫氫織鏉ヨ锛孉CF灏辨槸灏嗙洰鍓嶈緝涓烘垚鐔熺殑鎺у埗鍗忚锛堝CAN銆丩IN銆丗lexRay鐢氳嚦鏄疪S232涓插彛鎸囦护绛夛級杩涜灏佽锛屼娇杩欎簺鎺у埗鎸囦护鑳藉熀浜庝互澶綉杩涜浼犺緭銆傝繖鏍烽儴鍒嗘帶鍒跺櫒鏃㈣兘淇濈暀鍘熸湁鍗忚瀹炵幇锛屽張鑳藉埄鐢ㄤ互澶綉TSN 鏃堕棿鍚屾銆佹祦棰勭暀绛夊疄鐜帮紝淇濊瘉鎺у埗鎸囦护绮剧‘鎵ц銆侟/p>
ACF鎶ユ枃鎸夆€滄椂鏁堟€р€濆垎涓轰袱绫伙紝鎶ユ枃鏍煎紡鏈夋墍鍖哄埆锛屽垎鍒€傚簲涓嶅悓鎺у埗鍦烘櫙闇€姹傘€傚叿浣撲负锛欬/p>
- NTSCF锛圢on-Time-Synchronous Control Format锛堹姝ょ被鎺у埗鎶ユ枃鏃犳椂闂存埑瀛楁锛屼笉鎼哄甫鏃堕棿鎴充俊鎭紝閫傜敤浜庡鏃堕棿瑕佹眰涓嶆晱鎰熴€佽交閲忓寲鐨勬帶鍒舵寚浠ゃ€侟/li>
- TSCF锛圱ime-Synchronous Control Format锛堹 姝ょ被鎺у埗鎶ユ枃鎼哄甫鈥滃睍绀烘椂闂存埑鈥濅俊鎭紝閫傜敤浜庨渶瑕佸鎵ц鍣ㄥ崗鍚屾帶鍒剁殑鏃堕棿鏁忔劅鍦烘櫙锛堝簲鐢ㄧず渚嬪涓嬪浘鎵€绀猴級銆侟/li>

ACF TSCF 搴旂敤绀轰緥鍥近br>
鎶ユ枃鏍煎紡
ACF 鎶ユ枃鍜孉VTP闊宠棰戞姤鏂囦竴鏍凤紝鍩轰簬浠ュお缃戜簩灞傝繘琛屼紶杈擄紝鍏舵姤鏂囧湪鏁翠釜浠ュお缃戝抚涓殑缁撴瀯濡備笅鍥炬墍绀恒€侟/p>

ACF 浠ュお缃戝抚缁撴瀯绀烘剰鍥近/p>
浠庡浘涓彲浠ョ湅鍑猴紝瀵逛簬NTSCF鍜孴SCF杩欎袱绉嶆姤鏂囷紝鏄€氳繃涓嶅悓鐨凙CF AVTPDU Header鏉ュ尯鍒嗙殑锛屽叾鎼哄甫鐨凙CF Msg鍦ㄦ姤鏂囨牸寮忎笂鏄病鏈夊尯鍒殑銆傛帴涓嬫潵鍒嗗埆浠嬬粛ACF NTSCF Header銆乀SCF Header鍜孉CF Message 杩欎笁閮ㄥ垎鐨勬姤鏂囨牸寮忋€侟/p>
ACF NTSCF Header

NTSCF Header鎶ユ枃缁撴瀯绀烘剰鍥近/p>
- subtype
琛ㄥ緛褰撳墠AVTP鎶ユ枃鐨勭被鍨嬨€傚湪NTSCF Header涓紝璇ュ瓧娈靛浐瀹氫负0x82锛涘湪TSCF Header涓紝璇ュ瓧娈靛浐瀹氫负0x05銆侟/p>
- sv (stream_id valid)
璇ュ瓧娈电敤鏉ヨ〃寰佸綋鍓嶆姤鏂囩殑stream_id鏄惁涓烘湁鏁堟祦棰勭暀id銆傚綋sv=1鏃讹紝鍗宠鏄庤stream_id瀵瑰簲鐨勬暟鎹祦宸查€氳繃TSN鐨勬祦棰勭暀鍗忚鍒嗛厤浜嗙綉缁滃甫瀹借祫婧愩€侟/p>
- version
鐗堟湰鍙凤紝鍜屽叾浠栨墍鏈堿VTP鎶ユ枃涓€鑷达紝鍥哄畾涓?銆侟/p>
- r (reserved)
棰勭暀瀛楁銆侟/p>
- ntscf_data_length
琛ㄥ緛褰撳墠鎶ユ枃鎼哄甫鐨勬墍鏈塧cf_payload鐨勬€诲瓧鑺傛暟锛岃瀛楁鐨勫彇鍊艰寖鍥村彇鍐充簬褰撳墠缃戠粶鐨凪TU锛堟渶澶т紶杈撳崟鍏冿紝Maximum Transmission Unit锛夈€侟/p>
- sequence_num
琛ㄥ緛褰撳墠ACF 鎶ユ枃鍦ㄥ悓涓€涓猻tream涓殑搴忓垪鍙凤紝listener绔彲浠ラ€氳繃璇ュ瓧娈垫娴嬩涪甯у拰涔卞簭銆侟/p>
- stream_id
鐢ㄦ潵鍋氭祦璇嗗埆鐨勬姤鏂囨祦ID锛屽悓涓€涓祦鐨凙CF鎶ユ枃stream id闇€淇濇寔涓€鑷淬€侟/p>
ACF TSCF Header
ACF TSFC Header涓惡甯︽椂闂存埑淇℃伅锛屾姤澶存牸寮忎负閫氱敤娴佹姤澶达紙common stream header锛夛紝鍚勫瓧娈靛惈涔夊凡缁忓湪涓婁竴绡嘇AF浠嬬粛鐨勬枃绔犱腑杩涜浠嬬粛銆傛垜浠繖娆″彧鍏虫敞鍜屾椂闂寸浉鍏崇殑avtp_timestamp瀛楁銆侟/p>

TSCF Header鎶ユ枃缁撴瀯绀烘剰鍥近/p>
- avtp_timestamp
褰搕v=1鏃讹紝璇ュ瓧娈电殑鍊间负鏈夋晥鏃堕棿鎴充俊鎭紝鍚箟涓簍alker鎸囩ずlistener鎵ц璇ユ帶鍒舵寚浠ょ殑绮剧‘鏃堕棿銆侟/p>
ACF Message
ACF Message鏄壙杞藉叿浣撴帶鍒惰涔夌殑鏍稿績鍐呭锛岀揣璺熷湪鍓嶉潰浠嬬粛鐨勪袱绉岺eader鍚庨潰銆備竴甯VTP鎶ユ枃涓彲浠ユ惡甯︿竴涓垨澶氫釜ACF Message銆傝€屾瘡涓€涓狝CF Message鎶ユ枃涔熷彲浠ユ媶鎴怉CF Message Header鍜孉CF payload涓ら儴鍒嗐€傚鍥炬墍绀恒€侟/p>

ACF Message 缁撴瀯绀烘剰鍥近/p>
ACF Message Header鍖呮嫭acf_msg_type鍜宎cf_msg_length涓や釜瀛楁锛欬/p>
- acf_msg_type
璇ュ瓧娈垫弿杩颁簡ACF Message鐨勭被鍨嬶紝ACF Message鍙互灏佽涓嶅悓绫诲瀷鐨勬帶鍒舵姤鏂囨牸寮忥紝渚嬪甯歌鐨凜AN銆丩IN銆丮OST绛夛紝鐩墠鍗忚鏀寔鐨勭被鍨嬭涓嬭〃銆侟/p>

- acf_msg_length
鍥犱负ACF AVTPDU涓彲浠ユ惡甯﹀涓狝CF Message锛岄€氳繃璇ュ瓧娈靛彲浠ュ緱鐭ュ綋鍓岮CF message鐨勯暱搴︼紝渚夸簬listener绔В鏋愶紝闇€瑕佹敞鎰忕殑鏄紝璇ュ瓧娈电殑鍗曚綅涓?bytes銆侟/p>
acf_msg_payload涔熷寘鍚簡澶氫釜瀛楁锛屾姤鏂囨牸寮忔牴鎹叾灏佽鐨勬帶鍒舵姤鏂囩被鍨嬫湁鎵€涓嶅悓锛屼絾鏄拰鍘熸帶鍒跺崗璁熀鏈繚鎸佷竴鑷淬€傛湰鏂囧垯浠ョ洰鍓嶅父瑙佺殑CAN(FD)鍗忚涓轰緥锛屼粙缁岮CF_CAN鐨刾ayload鎶ユ枃鏍煎紡銆侟/p>
ACF_CAN message 鐨刾ayload濡備笅鍥炬墍绀恒€侟/p>

ACF_CAN message payload缁撴瀯绀烘剰鍥近/p>
- pad
琛ㄧず濉厖闀垮害锛屽崟浣峛ytes锛岀洰鐨勬槸淇濊瘉鏁翠釜ACF_CAN Message鐨勬暣浣撻暱搴 涓?瀛楄妭瀵归綈銆侟/p>
- mtv
message_timestamp_valid锛岃〃寰佸綋鍓嶆姤鏂囨槸鍚︽惡甯︽湁鏁堟姤鏂囨椂闂存埑銆侟/p>
- rtr
remote_transmission_request锛岃〃寰佸綋鍓嶆姤鏂囨槸鍚︿负杩滅▼甯с€侟/p>
- eff
extended_frame_format锛岃〃寰佸綋鍓嶆姤鏂囨槸鍚︿负鎵╁睍甯с€侟/p>
- brs
bit_rate_switch锛屾瘮鐗圭巼寮€鍏炽€侟/p>
- fdf
CAN flexible data-rate format锛岃〃寰佸綋鍓嶆姤鏂囨槸鍚︿负CANFD鎶ユ枃銆侟/p>
- esi
error_state_indicator锛岃〃寰佸綋鍓嶆槸鍚﹀瓨鍦ㄩ敊璇抚銆侟/p>
- can_bus_id
缃戞ID锛岀敱OEM鎸囧畾锛岃嫢涓嶆寚瀹氾紝榛樿涓?銆侟/p>
- message_timestamp
鎶ユ枃鏃堕棿鎴筹紝褰搈tv=1鏃讹紝璇ユ椂闂存埑鏈夋晥锛屼负褰撳墠鎺у埗鎸囦护琚帴鏀?鐢熸垚鐨勬椂闂达紝闇€瑕佸拰TSCF Header涓殑avtp_timestamp鍖哄垎銆侟/p>
- can_identifier
can鎶ユ枃id锛?1bit鏍囧噯甯ф垨鑰?9浣嶆墿灞曞抚銆侟/p>
- can_msg_payload
鎼哄甫鍏蜂綋鐨勬帶鍒朵俊鍙凤紙CAN鍗忚锛?~8瀛楄妭锛汣ANFD鍗忚锛?~64瀛楄妭锛屽潎闇€瑕?瀛楄妭瀵归綈锛夈€侟/p>
鎬荤粨
鏈枃涓昏浠嬬粛浜咺EEE 1722鍗忚涓殑ACF閮ㄥ垎锛屽垎鍒粙缁嶄簡鏃堕棿涓嶆晱鎰熺殑NTSCF鍜屾椂闂存晱鎰熺殑TSCF涓ょ被鎶ユ枃锛屽苟璁茶堪浜嗗浣曞湪浠ュお缃戞姤鏂囦腑浼犺緭浼犵粺鎺у埗鎸囦护锛屽笇鏈涜鑰呰兘瀵笰CF鐨勫簲鐢ㄤ互鍙婃姤鏂囨牸寮忔湁涓熀鏈蹇点€侟/p>
缁忕含鎭掓鼎浣滀负OPEN鑱旂洘浼氬憳鍜孉UTOSAR鑱旂洘鐨勯珮绾у悎浣滀紮浼达紝闀挎湡涓哄浗鍐呭鍚勫ぇOEM鍜屼緵搴斿晢鎻愪緵娑电洊TCP/IP銆丼OME/IP銆丏oIP銆丄VB銆乀SN銆丏DS绛夋妧鏈鍩熺殑璁捐鍜屾祴璇曞挩璇㈡湇鍔★紝绉瀬鐮斿彂鍜屾帰绱㈣溅杞界綉缁滃墠娌挎妧鏈殑宸ョ▼搴旂敤銆傞€氳繃澶氫釜椤圭洰鐨勫疄璺电粡楠岋紝宸插缓绔嬩簡楂樿川閲忋€佹湰鍦熷寲鐨勮璁′笌娴嬭瘯涓€浣撳寲瑙e喅鏂规锛屼负鏁磋溅缃戠粶鏋舵瀯鎻愪緵鍙潬鏀寔銆侟/p>
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