📄 sdcrc.lst
字号:
##############################################################################
# #
# IAR ARM ANSI C/C++ Compiler V4.30A/W32 KICKSTART 04/Aug/2006 19:16:02 #
# Copyright 1999-2005 IAR Systems. All rights reserved. #
# #
# Cpu mode = interwork #
# Endian = little #
# Stack alignment = 4 #
# Source file = C:\Documents and Settings\yc\桌面\AT91SAM7A3(SPI_SD_ #
# RW)\SD_SPI-SAM7A3\src\sdcrc.c #
# Command line = "C:\Documents and Settings\yc\桌面\AT91SAM7A3(SPI_SD #
# _RW)\SD_SPI-SAM7A3\src\sdcrc.c" -lC "C:\Documents #
# and Settings\yc\桌面\AT91SAM7A3(SPI_SD_RW)\SD_SPI-SA #
# M7A3\compil\FLASH_Debug\List\" -o "C:\Documents and #
# Settings\yc\桌面\AT91SAM7A3(SPI_SD_RW)\SD_SPI-SAM7A3 #
# \compil\FLASH_Debug\Obj\" -z2 --no_cse --no_unroll #
# --no_inline --no_code_motion --no_tbaa #
# --no_clustering --no_scheduling --debug --cpu_mode #
# thumb --endian little --cpu ARM7TDMI --stack_align #
# 4 --interwork -e --fpu None --dlib_config "D:\IAR #
# Systems\Embedded Workbench 4.0 #
# Kickstart\arm\LIB\dl4tptinl8f.h" -I "C:\Documents #
# and Settings\yc\桌面\AT91SAM7A3(SPI_SD_RW)\SD_SPI-SA #
# M7A3\compil\srcIAR\" -I "C:\Documents and #
# Settings\yc\桌面\AT91SAM7A3(SPI_SD_RW)\SD_SPI-SAM7A3 #
# \compil\..\src\" -I "C:\Documents and #
# Settings\yc\桌面\AT91SAM7A3(SPI_SD_RW)\SD_SPI-SAM7A3 #
# \compil\..\..\" -I "D:\IAR Systems\Embedded #
# Workbench 4.0 Kickstart\arm\INC\" #
# List file = C:\Documents and Settings\yc\桌面\AT91SAM7A3(SPI_SD_ #
# RW)\SD_SPI-SAM7A3\compil\FLASH_Debug\List\sdcrc.lst #
# Object file = C:\Documents and Settings\yc\桌面\AT91SAM7A3(SPI_SD_ #
# RW)\SD_SPI-SAM7A3\compil\FLASH_Debug\Obj\sdcrc.r79 #
# #
# #
##############################################################################
C:\Documents and Settings\yc\桌面\AT91SAM7A3(SPI_SD_RW)\SD_SPI-SAM7A3\src\sdcrc.c
1 /****************************************Copyright (c)**************************************************
2 ** Guangzhou ZLG-MCU Development Co.,LTD.
3 ** graduate school
4 ** http://www.zlgmcu.com
5 **
6 **--------------File Info-------------------------------------------------------------------------------
7 ** File name: sdcrc.c
8 ** Last modified Date: 2005-3-15
9 ** Last Version: V2.0
10 ** Descriptions: SD/MMC 卡读写模块: 相关工具函数 ---- CRC校验
11 ** Soft Packet of SD Card Driver: tool funcitons about sd card ---- crc check
12 **
13 **------------------------------------------------------------------------------------------------------
14 ** Created by: Ming Yuan Zheng
15 ** Created date: 2005-1-6
16 ** Version: V1.0
17 ** Descriptions: 初始版本 The original version
18 **
19 **------------------------------------------------------------------------------------------------------
20 ** Modified by:
21 ** Modified date:
22 ** Version:
23 ** Descriptions:
24 **
25 **------------------------------------------------------------------------------------------------------
26 ** Modified by:
27 ** Modified date:
28 ** Version:
29 ** Descriptions:
30 **
31 ********************************************************************************************************/
32
33 #include "config.h"
34 #include "sdhal.h"
35
36 #if SD_CRC_EN
37 //X16 + X12 + X5 + 1 余式表
38 INT16U const CRCTable[256]={0x0000,0x1021,0x2042,0x3063,0x4084,0x50a5,0x60c6,0x70e7,
39 0x8108,0x9129,0xa14a,0xb16b,0xc18c,0xd1ad,0xe1ce,0xf1ef,
40 0x1231,0x0210,0x3273,0x2252,0x52b5,0x4294,0x72f7,0x62d6,
41 0x9339,0x8318,0xb37b,0xa35a,0xd3bd,0xc39c,0xf3ff,0xe3de,
42 0x2462,0x3443,0x0420,0x1401,0x64e6,0x74c7,0x44a4,0x5485,
43 0xa56a,0xb54b,0x8528,0x9509,0xe5ee,0xf5cf,0xc5ac,0xd58d,
44 0x3653,0x2672,0x1611,0x0630,0x76d7,0x66f6,0x5695,0x46b4,
45 0xb75b,0xa77a,0x9719,0x8738,0xf7df,0xe7fe,0xd79d,0xc7bc,
46 0x48c4,0x58e5,0x6886,0x78a7,0x0840,0x1861,0x2802,0x3823,
47 0xc9cc,0xd9ed,0xe98e,0xf9af,0x8948,0x9969,0xa90a,0xb92b,
48 0x5af5,0x4ad4,0x7ab7,0x6a96,0x1a71,0x0a50,0x3a33,0x2a12,
49 0xdbfd,0xcbdc,0xfbbf,0xeb9e,0x9b79,0x8b58,0xbb3b,0xab1a,
50 0x6ca6,0x7c87,0x4ce4,0x5cc5,0x2c22,0x3c03,0x0c60,0x1c41,
51 0xedae,0xfd8f,0xcdec,0xddcd,0xad2a,0xbd0b,0x8d68,0x9d49,
52 0x7e97,0x6eb6,0x5ed5,0x4ef4,0x3e13,0x2e32,0x1e51,0x0e70,
53 0xff9f,0xefbe,0xdfdd,0xcffc,0xbf1b,0xaf3a,0x9f59,0x8f78,
54 0x9188,0x81a9,0xb1ca,0xa1eb,0xd10c,0xc12d,0xf14e,0xe16f,
55 0x1080,0x00a1,0x30c2,0x20e3,0x5004,0x4025,0x7046,0x6067,
56 0x83b9,0x9398,0xa3fb,0xb3da,0xc33d,0xd31c,0xe37f,0xf35e,
57 0x02b1,0x1290,0x22f3,0x32d2,0x4235,0x5214,0x6277,0x7256,
58 0xb5ea,0xa5cb,0x95a8,0x8589,0xf56e,0xe54f,0xd52c,0xc50d,
59 0x34e2,0x24c3,0x14a0,0x0481,0x7466,0x6447,0x5424,0x4405,
60 0xa7db,0xb7fa,0x8799,0x97b8,0xe75f,0xf77e,0xc71d,0xd73c,
61 0x26d3,0x36f2,0x0691,0x16b0,0x6657,0x7676,0x4615,0x5634,
62 0xd94c,0xc96d,0xf90e,0xe92f,0x99c8,0x89e9,0xb98a,0xa9ab,
63 0x5844,0x4865,0x7806,0x6827,0x18c0,0x08e1,0x3882,0x28a3,
64 0xcb7d,0xdb5c,0xeb3f,0xfb1e,0x8bf9,0x9bd8,0xabbb,0xbb9a,
65 0x4a75,0x5a54,0x6a37,0x7a16,0x0af1,0x1ad0,0x2ab3,0x3a92,
66 0xfd2e,0xed0f,0xdd6c,0xcd4d,0xbdaa,0xad8b,0x9de8,0x8dc9,
67 0x7c26,0x6c07,0x5c64,0x4c45,0x3ca2,0x2c83,0x1ce0,0x0cc1,
68 0xef1f,0xff3e,0xcf5d,0xdf7c,0xaf9b,0xbfba,0x8fd9,0x9ff8,
69 0x6e17,0x7e36,0x4e55,0x5e74,0x2e93,0x3eb2,0x0ed1,0x1ef0
70 };
71
72 /********************************************************************************************************************
73 ** 函数名称: INT8U SD_GetCRC16() Name: INT8U SD_GetCRC16()
74 ** 功能描述: 计算CRC16 Function: calculate CRC16
75 ** 输 入: INT8U *pSource: 数据 Input: INT8U *pSource: data
76 INT16U len : 长度 INT16U len : len
77 ** 输 出: CRC16码 Output: CRC16 code
78 ********************************************************************************************************************/
79 INT16U SD_GetCRC16(INT8U *pSource, INT16U len)
80 {
81 INT16U i;
82 INT16U result = 0;
83
84 for (i = 0; i < len; i++)
85 result = (result << 8) ^ (INT16U)CRCTable[(result >> 8) ^ *pSource++];
86
87 return result;
88 }
89
90 /*******************************************************************************************************************
91 ** 函数名称: INT8U SD_GetCmdByte6() Name: INT8U SD_GetCmdByte6()
92 ** 功能描述: 获取SD卡命令的CRC7 Function: get the CRC7 of the command of SD card
93 ** 输 入: INT8U cmd : 命令 Input: INT8U cmd : command
94 INT8U *param: 命令的参数,长度为4字节 INT8U *param: the param of command,length is 4 bytes
95 ** 输 出: CRC7码 Output: CRC7 code
96 ********************************************************************************************************************/
97 INT8U SD_GetCmdByte6(INT8U cmd, INT8U *param)
98 {
99 INT8U i, j;
100 INT8U reg = 0;
101 INT8U array[5];
102
103 array[0] = cmd;
104 for (i = 1; i < 5; i++) /* 将参数的顺序重新排列 */
105 array[i] = param[4 - i];
106
107 for (i = 0; i < 5; i++) /* 计算5个字节的CRC7 */
108 {
109 for (j = 0; j < 8; j++)
110 {
111 reg <<= 1;
112 reg ^= ((((array[i] << j) ^ reg) & 0x80) ? 0x9 : 0);
113 }
114 }
115
116 return ((reg << 1) + 0x01) ; /* 计算结果的CRC7左移一位,并将最低位置1 */
117 }
118 #endif
Segment part sizes:
Function/Label Bytes
-------------- -----
0 bytes of memory
Errors: none
Warnings: none
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -