CRC16校驗產(chǎn)生函數(shù).doc

CRC16校驗產(chǎn)生函數(shù).doc

ID:57394973

大小:22.50 KB

頁數(shù):3頁

時間:2020-08-15

CRC16校驗產(chǎn)生函數(shù).doc_第1頁
CRC16校驗產(chǎn)生函數(shù).doc_第2頁
CRC16校驗產(chǎn)生函數(shù).doc_第3頁
資源描述:

《CRC16校驗產(chǎn)生函數(shù).doc》由會員上傳分享,免費在線閱讀,更多相關(guān)內(nèi)容在教育資源-天天文庫

1、CRC16校驗產(chǎn)生函數(shù)/*******************************************************************************FunctionName:crc16*Input:數(shù)據(jù)緩沖區(qū)指針:puchMsg,數(shù)據(jù)長度:usDataLen*Return:16位CRC校驗碼*Description:產(chǎn)生16位CRC校驗碼*********************************************************************

2、**********/INT16Ucrc16(INT8U*puchMsg,INT8UusDataLen){INT8UuchCRCHi=0xFF;/*高CRC字節(jié)初始化*/INT8UuchCRCLo=0xFF;/*低CRC字節(jié)初始化*/INT16UuIndex;/*CRC循環(huán)中的索引*/while(usDataLen--)/*傳輸消息緩沖區(qū)*/{uIndex=uchCRCHi^*puchMsg++;/*計算CRC*/uchCRCHi=uchCRCLo^auchCRCHi[uIndex];uchCRCLo=au

3、chCRCLo[uIndex];}return(uchCRCHi<<8

4、uchCRCLo);}/*CRC高位字節(jié)值表*/constINT8UcodeauchCRCHi[]={0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0

5、,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,

6、0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0

7、x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x

8、40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x8

9、0,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40};/*CRC低位字節(jié)值表*/constINT8UcodeauchCRCLo[]={0x00,0xC0,0xC1,0x01,0xC3,0x03,0x02,0xC2,0xC6,0x06,0x07,0xC7,0x05,0xC5,0xC4,0x04,

當前文檔最多預(yù)覽五頁,下載文檔查看全文

此文檔下載收益歸作者所有

當前文檔最多預(yù)覽五頁,下載文檔查看全文
溫馨提示:
1. 部分包含數(shù)學公式或PPT動畫的文件,查看預(yù)覽時可能會顯示錯亂或異常,文件下載后無此問題,請放心下載。
2. 本文檔由用戶上傳,版權(quán)歸屬用戶,天天文庫負責整理代發(fā)布。如果您對本文檔版權(quán)有爭議請及時聯(lián)系客服。
3. 下載前請仔細閱讀文檔內(nèi)容,確認文檔內(nèi)容符合您的需求后進行下載,若出現(xiàn)內(nèi)容與標題不符可向本站投訴處理。
4. 下載文檔時可能由于網(wǎng)絡(luò)波動等原因無法下載或下載錯誤,付費完成后未能成功下載的用戶請聯(lián)系客服處理。