大红鹰dhy登录界面「网站首页」欢迎您 /crc-e2e-checksum-methods/ /crc-e2e-checksum-methods/#respond Mon, 27 May 2024 06:20:08 +0000 /?p=9811 闈㈠鍒囨崲宸ュ叿閾剧殑鐢ㄦ埛鏉ヨ锛屽湪 TSMaster 涓婂畬鎴愭€荤嚎閫氳涓殑 CRC/E2E 鏍￠獙澶勭悊涓嶆槸鐗瑰埆鐔熸倝锛岃鏂 […]

The post 骞茶揣鍒嗕韩 | 璇﹁ВTSMaster CAN 涓 CAN FD 鐨 CRC&E2E 鏍￠獙鏂规硶 first appeared on 涓婃捣鍚屾槦鏅鸿兘绉戞妧鏈夐檺鍏徃.

]]>
闈㈠鍒囨崲宸ュ叿閾剧殑鐢ㄦ埛鏉ヨ锛屽湪 TSMaster 涓婂畬鎴愭€荤嚎閫氳涓殑 CRC/E2E 鏍￠獙澶勭悊涓嶆槸鐗瑰埆鐔熸倝锛岃鏂囩珷鍙互鍗忓姪瀹㈡埛蹇€熶娇鐢 TSMaster 瀹屾垚 CAN/CAN FD 鎬荤嚎閫氳鐨 CRC/E2E 鏍￠獙銆

鏈枃鍏抽敭瀛楋細TSMaster锛孋AN/CAN FD锛孋RC 鏍￠獙锛孍2E 鏍￠獙

鏈枃鐩綍

1銆丆RC/E2E 鍦ㄦ姤鏂囦紶杈撹繃绋嬩腑鐨勫簲鐢

鍏稿瀷搴旂敤锛氫袱涓 CAN 鑺傜偣锛圗CU锛変箣闂磋繘琛 CAN/CAN FD 鎶ユ枃浼犺緭,鍙屾柟瑙勫畾瀵规姤鏂囷紙0xC9:ABSdata锛塀yte0-Byte6 闇€瑕佽繘琛 CRC 鏍￠獙锛孊yte6 鐨勯珮鍥涗綅涓 RollingCounter锛屾牎楠岀粨鏋滄斁鑷 Byte7 涓€侟/p>

鍥犳锛屽湪 DBC 鍙戦€佽繖甯ф姤鏂囩殑鑺傜偣鏉ヨ锛屽湪寰€鎬荤嚎鍙戝嚭杩欏抚鎶ユ枃涔嬪墠闇€瑕佸姣忓抚鎶ユ枃鐨 RollingCounter 鍊艰繘琛屼笉鏂嚜澧炪€佸惊鐜紝鐒跺悗杩涜 CRC 鏍￠獙鎶婃牎楠屽€兼斁杩 Byte7 涓紝鏈€鍚庡啀鎶婂抚鎶ユ枃鍙戝埌鎬荤嚎涓婏紱鑰屽浜 DBC 鎺ユ敹杩欏抚鎶ユ枃鐨勮妭鐐规潵璇达紝闇€瑕佸杩欏抚鎶ユ枃涔熻繘琛孋RC 鏍￠獙锛屾妸鏍￠獙鐨勭粨鏋滀笌 Byte7 鐨勬暟鎹繘琛屽姣旓紝瀵规瘮缁撴灉涓€鑷村垯杩欏抚鎶ユ枃鐨勬暟鎹湁鏁堬紝鍚﹀垯涓㈠純杩欎簺鏁版嵁銆侟/p>

E2E锛圗nd to End锛夛紝鏄 Autosar 瀹樻柟瀹氫箟鐨勬爣鍑嗭紝瀹冨寘鍚簡 CRC 绠楁硶銆佽姹備簡 Counter 鐨勫€煎浣曡繘琛岄€掑銆佸苟鍦 Counter 鍑洪敊鏃朵細璁板綍瀵瑰簲鐨勯敊璇姸鎬佺瓑绛夈€備粠鍙戦€佽妭鐐规潵璇达紝鍙互绠€鍗曠殑鐞嗚В涓哄彂閫佸墠濉厖 Checksum 鍜 Counter 鐨勫€硷紝鍩烘湰鎿嶄綔涓 CRC 鐩稿悓銆侟/p>

2銆佸熀浜 TSMaster 鍓╀綑鎬荤嚎浠跨湡鐨 CRC 鏍￠獙

鍩轰簬鍓╀綑鎬荤嚎浠跨湡鐨 CRC 鏍￠獙锛岃鏂规硶鍦 TSMaster 浠跨湡-CAN 鎬荤嚎浠跨湡涓嵆鍙畬鎴愶紝鏃犻渶浠ｇ爜锛屼絾鏄 CRC 鏍￠獙绠楁硶鏄€氱敤鐨 CRC 绠楁硶锛屼緥濡 CRC8銆丆RC16銆丆RC32 绛夌瓑銆備娇鐢ㄤ箣鍓嶉渶瑕佸厛鍦ㄥ伐绋嬩腑鍔犺浇鏁版嵁搴撴枃浠跺苟缁戝畾瀵瑰簲鐨勫簲鐢ㄧ▼搴忛€氶亾銆
璇﹁ВTSMaster CAN 涓 CAN FD 鐨 CRC&E2E 鏍￠獙鏂规硶
鍏舵锛屾墦寮€ CAN 鎬荤嚎浠跨湡锛屾縺娲绘姤鏂囩殑鎵€鏈変俊鍙峰強鍏舵墍鍦ㄨ妭鐐瑰拰缃戠粶锛堟澶勪互 0xC9 ABSdata 涓轰緥锛夛細
璇﹁ВTSMaster CAN 涓 CAN FD 鐨 CRC&E2E 鏍￠獙鏂规硶

浠庤繖閲屽彲浠ョ湅鍒 ABS_RC 鍜 ABS_CheckSum 鐨勪俊鍙风被鍨嬭繕鏄櫘閫氫俊鍙凤紝閭ｄ箞濡備綍閫氳繃聽0 浠ｇ爜瀹炵幇 RC 鐨勮嚜澧炲惊鐜互鍙 CheckSum 鏍￠獙鍊肩殑璁＄畻鍛紵鍏蜂綋鐨勫疄鐜板湪鎬荤嚎浠跨湡杩欎釜妯″潡涓凡缁忓疄鐜帮紝鐢ㄦ埛鍙渶鍦ㄨ鐣岄潰涓繘琛岀浉鍏崇殑璁剧疆鍗冲彲瀹炵幇锛屼互涓嬫槸璇︾粏姝ラ銆侟/p>

  • 1锛夊彸鍑 ABS_RC锛岄€夋嫨璁剧疆涓 Rolling Counter 淇″彿(RC)锛屽畬鎴愬悗鍗冲彲鐪嬪埌璇ヤ俊鍙风被鍨嬪凡缁忓彉涓 RC銆侟/li>
璇﹁ВTSMaster CAN 涓 CAN FD 鐨 CRC&E2E 鏍￠獙鏂规硶
RC 鍊艰嚜澧炵殑鑼冨洿鍦ㄨ妯″潡涓篃鏄彲浠ョ洿鎺ヨ缃紝鍦 CAN 鎬荤嚎浠跨湡鏍戠姸鍥剧獥鍙ｅ唴浠绘剰浣嶇疆鍙抽敭鎵撳紑缂栬緫 RC 鍊艰寖鍥达紝鐒跺悗鍕鹃€夎淇″彿锛屽 RC 鐨勬渶澶ф渶灏忓€艰繘琛屾墜鍔ㄨ緭鍏ワ紝纭鍗冲彲淇濆瓨銆
璇﹁ВTSMaster CAN 涓 CAN FD 鐨 CRC&E2E 鏍￠獙鏂规硶
璇﹁ВTSMaster CAN 涓 CAN FD 鐨 CRC&E2E 鏍￠獙鏂规硶
  • 2锛夊彸閿 ABS_CheckSum锛岄€夋嫨璁剧疆涓 Checksum 鏍￠獙淇″彿(CRC)锛岄殢鍚庝細寮瑰嚭榛樿绠楁硶搴擄紝杩欓噷浠ラ€夋嫨 crc8 渚嬨€傚畬鎴愬悗璇ヤ俊鍙风殑绫诲瀷宸茬粡鍙樹负 CRC(crc.crc8[0:7])锛岃〃绀鸿淇″彿涓 CRC 鏍￠獙淇″彿锛屾牎楠岀畻娉曚负 crc 搴撲腑鐨 crc8锛屼繚鎶ゅ瓧鑺備负 0-7锛欬/li>
璇﹁ВTSMaster CAN 涓 CAN FD 鐨 CRC&E2E 鏍￠獙鏂规硶
璇﹁ВTSMaster CAN 涓 CAN FD 鐨 CRC&E2E 鏍￠獙鏂规硶

濡傛灉鐢ㄦ埛闇€瑕佷慨鏀规牎楠岀殑瀛楄妭鑼冨洿锛屽悓 RC 鍊艰寖鍥达紝鍦ㄧ獥鍙ｅ唴鍙抽敭鎵撳紑缂栬緫 CRC 绠楁硶鍙傛暟锛涘湪璇ョ獥鍙ｅ唴鍙互瀵逛繚鎶ゅ瓧鑺傝捣濮嬩互鍙婁繚鎶ゅ瓧鑺傛暟杩涜缂栬緫銆侟/p>

璇﹁ВTSMaster CAN 涓 CAN FD 鐨 CRC&E2E 鏍￠獙鏂规硶
鍚屾椂璇ョ獥鍙ｅ彲浠ュ鎵€鏈夌殑 CRC 淇″彿杩涜缁熶竴鐨勭紪杈戯紝鍙屽嚮淇″彿鎵€鍦ㄧ殑 CRC 绠楁硶鏍忓嵆鍙墦寮€绠楁硶閫夋嫨绐楀彛锛屽鏋滅敤鎴风殑绠楁硶涓嶆槸鏍囧噯鐨 CRC 绠楁硶锛屾垜浠篃鍙互鍦 crc 杩欎釜搴撲腑鍐嶅幓娣诲姞鑷畾涔夊嚱鏁帮紝杩欐牱涔熻兘缁欒繖涓墿浣欐€荤嚎浠跨湡杩欎釜妯″潡璇嗗埆浣跨敤锛岄渶瑕佹敞鎰忕殑鍓嶆彁鏉′欢鏄嚜瀹氫箟绠楁硶鐨勬帴鍙ｅ繀椤诲拰宸插瓨鍦ㄧ殑鐩稿悓锛屼篃灏辨槸鍑芥暟鐨勫弬鏁板繀椤绘槸(pu8 data, s32 datalen)锛岃繖鏍锋墠鑳藉姝ｅ父浣跨敤銆
璇﹁ВTSMaster CAN 涓 CAN FD 鐨 CRC&E2E 鏍￠獙鏂规硶
鍙﹀涓€绉嶄娇鐢ㄥ満鏅紝闇€瑕佸湪鏍￠獙鐨勬暟鎹唴瀹瑰ご閮?灏鹃儴澧炲姞鍥哄畾鐨勫瓧鑺傛暟鎹紝杩欎竴鐐逛笉闅惧彂鐜板湪 CRC 绠楁硶鍙傛暟缂栬緫绐楀彛涔熸湁鍋氫簡鎺ュ彛澶勭悊锛岀敤鎴峰彲浠ョ洿鎺ュ湪璇ユ鍐呮坊鍔犳暟鎹紝澶氫釜鏁版嵁鍙互鐢ㄨ嫳鏂囩鍙凤紙,锛夐殧寮€銆
璇﹁ВTSMaster CAN 涓 CAN FD 鐨 CRC&E2E 鏍￠獙鏂规硶
浠ヤ笂灏辨槸鍩轰簬鎬荤嚎浠跨湡 CRC 鏍￠獙鐨勯厤缃搷浣滆繃绋嬶紝瀹屾垚鍚庤繍琛屾€荤嚎浠跨湡鍗冲彲鍦ㄦ姤鏂囦俊鎭獥鍙ｇ湅鍒板彂鍑虹殑鎶ユ枃銆
璇﹁ВTSMaster CAN 涓 CAN FD 鐨 CRC&E2E 鏍￠獙鏂规硶

3銆乀SMaster 鏈湴鍖栨敮鎸佺殑 CRC 鏍￠獙

璇ユ柟娉曢€傜敤浜 CRC 鏍￠獙绠楁硶涓 crc 搴撲腑绠楁硶鍑芥暟鎺ュ彛涓嶅悓锛岃繕闇€瑕佸埄鐢ㄦ姤鏂囧抚鐨勫叾浠栦俊鎭繘琛屾牎楠岀殑鎯呭喌锛屼緥濡傚皢鎶ユ枃 ID 涓€骞惰繘琛屾牎楠岃绠椼€傝繖绉嶆儏鍐靛氨鍙互鍒╃敤 TSMaster 涓殑灏忕▼搴忔潵瀹屾垚锛屾宸ョ▼浠 C 灏忕▼搴忎负渚嬶紝Python 灏忕▼搴忓悓鐞嗐€侟/p>

婕旂ず鍓嶅皢鏁版嵁搴撹繘琛屽姞杞斤紝鍦ㄥ紑澶存彁鍒拌繃锛孋RC 鏍￠獙寰€绠€鍗曟潵璇村氨璇村線鎶ユ枃鏁版嵁濉厖聽RC 鍜 CheckSum 鏍￠獙鐨勫€硷紝姝ゆ椂鐢ㄦ埛灏卞彲浠ュ湪灏忕▼搴忎腑閫氳繃棰勫彂閫佷簨浠舵潵淇敼 RC 鍜 CheckSum 鐨勫€笺€侟/p>

璇﹁ВTSMaster CAN 涓 CAN FD 鐨 CRC&E2E 鏍￠獙鏂规硶
瀹屾垚缂栬緫鍐呭鍚庨渶瑕佽繍琛屽皬绋嬪簭锛岀劧鍚庡湪鎶ユ枃鍙戦€佺獥鍙ｈ繘琛屾姤鏂囧彂閫佹垨鑰呭惎鍔 CAN 鍓╀綑鎬荤嚎浠跨湡锛堟鏃堕渶瑕佸皢 RC 鍜 CheckSum 璁剧疆涓烘櫘閫氫俊鍙凤紝浣垮緱杩欎袱涓俊鍙峰彧鍙楀皬绋嬪簭鐨勬帶鍒讹級銆

The post 骞茶揣鍒嗕韩 | 璇﹁ВTSMaster CAN 涓 CAN FD 鐨 CRC&E2E 鏍￠獙鏂规硶 first appeared on 涓婃捣鍚屾槦鏅鸿兘绉戞妧鏈夐檺鍏徃.

]]> /crc-e2e-checksum-methods/feed/ 0