东亚 范 / schumi2000

by schumi2000

sys.cpp@0:32964091adbf, 2016-08-17 (annotated)

Committer:
schumi2000
Date:
Wed Aug 17 06:28:57 2016 +0000
Revision:
0:32964091adbf
by schumi2000

Who changed what in which revision?

UserRevisionLine numberNew contents of line
schumi2000 0:32964091adbf 1 #include "sys.h"
schumi2000 0:32964091adbf 2
schumi2000 0:32964091adbf 3
schumi2000 0:32964091adbf 4 unsigned short ccitt_table[256] = {
schumi2000 0:32964091adbf 5 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
schumi2000 0:32964091adbf 6 0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
schumi2000 0:32964091adbf 7 0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
schumi2000 0:32964091adbf 8 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
schumi2000 0:32964091adbf 9 0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
schumi2000 0:32964091adbf 10 0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
schumi2000 0:32964091adbf 11 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
schumi2000 0:32964091adbf 12 0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
schumi2000 0:32964091adbf 13 0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
schumi2000 0:32964091adbf 14 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
schumi2000 0:32964091adbf 15 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
schumi2000 0:32964091adbf 16 0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
schumi2000 0:32964091adbf 17 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
schumi2000 0:32964091adbf 18 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
schumi2000 0:32964091adbf 19 0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
schumi2000 0:32964091adbf 20 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
schumi2000 0:32964091adbf 21 0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
schumi2000 0:32964091adbf 22 0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
schumi2000 0:32964091adbf 23 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
schumi2000 0:32964091adbf 24 0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
schumi2000 0:32964091adbf 25 0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
schumi2000 0:32964091adbf 26 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
schumi2000 0:32964091adbf 27 0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
schumi2000 0:32964091adbf 28 0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
schumi2000 0:32964091adbf 29 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
schumi2000 0:32964091adbf 30 0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
schumi2000 0:32964091adbf 31 0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
schumi2000 0:32964091adbf 32 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
schumi2000 0:32964091adbf 33 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
schumi2000 0:32964091adbf 34 0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
schumi2000 0:32964091adbf 35 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
schumi2000 0:32964091adbf 36 0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
schumi2000 0:32964091adbf 37 };
schumi2000 0:32964091adbf 38
schumi2000 0:32964091adbf 39 unsigned short crc_ccitt(unsigned char *q, int len)
schumi2000 0:32964091adbf 40 {
schumi2000 0:32964091adbf 41 unsigned short crc = 0;
schumi2000 0:32964091adbf 42
schumi2000 0:32964091adbf 43 while (len-- > 0)
schumi2000 0:32964091adbf 44 crc = ccitt_table[(crc >> 8 ^ *q++) & 0xff] ^ (crc << 8);
schumi2000 0:32964091adbf 45 return ~crc;
schumi2000 0:32964091adbf 46 }
schumi2000 0:32964091adbf 47
schumi2000 0:32964091adbf 48
schumi2000 0:32964091adbf 49 /**
schumi2000 0:32964091adbf 50 *@brief 把十进制数转化为字符型
schumi2000 0:32964091adbf 51 *@param c:要转化十进制数据
schumi2000 0:32964091adbf 52 *@return 返回一个字符型数据
schumi2000 0:32964091adbf 53 */
schumi2000 0:32964091adbf 54 char c2d(uint8_t c)
schumi2000 0:32964091adbf 55 {
schumi2000 0:32964091adbf 56 if (c >= '0' && c <= '9')
schumi2000 0:32964091adbf 57 return c - '0';
schumi2000 0:32964091adbf 58 if (c >= 'a' && c <= 'f')
schumi2000 0:32964091adbf 59 return 10 + c -'a';
schumi2000 0:32964091adbf 60 if (c >= 'A' && c <= 'F')
schumi2000 0:32964091adbf 61 return 10 + c -'A';
schumi2000 0:32964091adbf 62
schumi2000 0:32964091adbf 63 return (char)c;
schumi2000 0:32964091adbf 64 }
schumi2000 0:32964091adbf 65
schumi2000 0:32964091adbf 66 /**
schumi2000 0:32964091adbf 67 *@brief 字符转转化为8位整型函数
schumi2000 0:32964091adbf 68 *@param str:要转化字符串， base:
schumi2000 0:32964091adbf 69 *@return num:返回转化后的整型数
schumi2000 0:32964091adbf 70 */
schumi2000 0:32964091adbf 71 uint16_t atoi16(char* str,uint16_t base )
schumi2000 0:32964091adbf 72 {
schumi2000 0:32964091adbf 73 unsigned int num = 0;
schumi2000 0:32964091adbf 74 while (*str !=0)
schumi2000 0:32964091adbf 75 num = num * base + c2d(*str++);
schumi2000 0:32964091adbf 76 return num;
schumi2000 0:32964091adbf 77 }
schumi2000 0:32964091adbf 78
schumi2000 0:32964091adbf 79
schumi2000 0:32964091adbf 80 /**
schumi2000 0:32964091adbf 81 *@brief 把字符串转化为十进制或十六进制数函数
schumi2000 0:32964091adbf 82 *@param str:要转化字符串， len：整型数长度
schumi2000 0:32964091adbf 83 *@return 成功 - 1, 失败 - 0
schumi2000 0:32964091adbf 84 */
schumi2000 0:32964091adbf 85 int validatoi(char* str, int base,int* ret)
schumi2000 0:32964091adbf 86 {
schumi2000 0:32964091adbf 87 int c;
schumi2000 0:32964091adbf 88 char* tstr = str;
schumi2000 0:32964091adbf 89 if(str == 0 || *str == '\0') return 0;
schumi2000 0:32964091adbf 90 while(*tstr != '\0')
schumi2000 0:32964091adbf 91 {
schumi2000 0:32964091adbf 92 c = c2d(*tstr);
schumi2000 0:32964091adbf 93 if( c >= 0 && c < base) tstr++;
schumi2000 0:32964091adbf 94 else return 0;
schumi2000 0:32964091adbf 95 }
schumi2000 0:32964091adbf 96
schumi2000 0:32964091adbf 97 *ret = atoi16(str,base);
schumi2000 0:32964091adbf 98 return 1;
schumi2000 0:32964091adbf 99 }
schumi2000 0:32964091adbf 100
schumi2000 0:32964091adbf 101 void HexToStr(char *pbDest, char *pbSrc, int nLen)
schumi2000 0:32964091adbf 102 {
schumi2000 0:32964091adbf 103 char ddl,ddh;
schumi2000 0:32964091adbf 104 int i;
schumi2000 0:32964091adbf 105
schumi2000 0:32964091adbf 106 for (i=0; i<nLen; i++)
schumi2000 0:32964091adbf 107 {
schumi2000 0:32964091adbf 108 ddh = 48 + pbSrc[i] / 16;
schumi2000 0:32964091adbf 109 ddl = 48 + pbSrc[i] % 16;
schumi2000 0:32964091adbf 110 if (ddh > 57) ddh = ddh + 7;
schumi2000 0:32964091adbf 111 if (ddl > 57) ddl = ddl + 7;
schumi2000 0:32964091adbf 112 pbDest[i*2] = ddh;
schumi2000 0:32964091adbf 113 pbDest[i*2+1] = ddl;
schumi2000 0:32964091adbf 114 }
schumi2000 0:32964091adbf 115
schumi2000 0:32964091adbf 116 pbDest[nLen*2] = '\0';
schumi2000 0:32964091adbf 117 }
schumi2000 0:32964091adbf 118
schumi2000 0:32964091adbf 119 void HexOutput(const char* buf, int len)
schumi2000 0:32964091adbf 120 {
schumi2000 0:32964091adbf 121 int i=0;
schumi2000 0:32964091adbf 122 printf("The Hex output of data :\n0x");
schumi2000 0:32964091adbf 123 for(i=0; i<len; ++i)
schumi2000 0:32964091adbf 124 {
schumi2000 0:32964091adbf 125 unsigned char c = buf[i]; // must use unsigned char to print >128 value
schumi2000 0:32964091adbf 126 if( c< 16)
schumi2000 0:32964091adbf 127 {
schumi2000 0:32964091adbf 128 printf("0%x ", c);
schumi2000 0:32964091adbf 129 }
schumi2000 0:32964091adbf 130 else
schumi2000 0:32964091adbf 131 {
schumi2000 0:32964091adbf 132 printf("%x ", c);
schumi2000 0:32964091adbf 133 }
schumi2000 0:32964091adbf 134 }
schumi2000 0:32964091adbf 135 printf("\n");
schumi2000 0:32964091adbf 136 }
schumi2000 0:32964091adbf 137
schumi2000 0:32964091adbf 138
schumi2000 0:32964091adbf 139 void reverse_u64(uint64_t *temp)
schumi2000 0:32964091adbf 140 {
schumi2000 0:32964091adbf 141 char temp_str[8];
schumi2000 0:32964091adbf 142 memset(temp_str,0x00,8);
schumi2000 0:32964091adbf 143 //printf("old data\n");
schumi2000 0:32964091adbf 144 //HexOutput((char *)temp,8);
schumi2000 0:32964091adbf 145
schumi2000 0:32964091adbf 146 memcpy(temp_str+7,(char*)temp,1);
schumi2000 0:32964091adbf 147 memcpy(temp_str+6,(char*)temp+1,1);
schumi2000 0:32964091adbf 148 memcpy(temp_str+5,(char*)temp+2,1);
schumi2000 0:32964091adbf 149 memcpy(temp_str+4,(char*)temp+3,1);
schumi2000 0:32964091adbf 150 memcpy(temp_str+3,(char*)temp+4,1);
schumi2000 0:32964091adbf 151 memcpy(temp_str+2,(char*)temp+5,1);
schumi2000 0:32964091adbf 152 memcpy(temp_str+1,(char*)temp+6,1);
schumi2000 0:32964091adbf 153 memcpy(temp_str,(char*)temp+7,1);
schumi2000 0:32964091adbf 154
schumi2000 0:32964091adbf 155 memcpy((char *)temp,temp_str,8);
schumi2000 0:32964091adbf 156
schumi2000 0:32964091adbf 157 //printf("new data\n");
schumi2000 0:32964091adbf 158 //HexOutput((char *)temp,8);
schumi2000 0:32964091adbf 159 }
schumi2000 0:32964091adbf 160
schumi2000 0:32964091adbf 161
schumi2000 0:32964091adbf 162 void reverse_u32(uint32_t *temp)
schumi2000 0:32964091adbf 163 {
schumi2000 0:32964091adbf 164 char temp_str[4];
schumi2000 0:32964091adbf 165 memset(temp_str,0x00,4);
schumi2000 0:32964091adbf 166 //USARTX_SendData(USART1,(char *)temp,4);
schumi2000 0:32964091adbf 167
schumi2000 0:32964091adbf 168 memcpy(temp_str+3,(char*)temp,1);
schumi2000 0:32964091adbf 169 memcpy(temp_str+2,(char*)temp+1,1);
schumi2000 0:32964091adbf 170 memcpy(temp_str+1,(char*)temp+2,1);
schumi2000 0:32964091adbf 171 memcpy(temp_str,(char*)temp+3,1);
schumi2000 0:32964091adbf 172
schumi2000 0:32964091adbf 173 memcpy((char *)temp,temp_str,4);
schumi2000 0:32964091adbf 174
schumi2000 0:32964091adbf 175 //USARTX_SendData(USART1,(char *)temp,4);
schumi2000 0:32964091adbf 176 }
schumi2000 0:32964091adbf 177
schumi2000 0:32964091adbf 178 void reverse_u16(uint16_t *temp)
schumi2000 0:32964091adbf 179 {
schumi2000 0:32964091adbf 180 char temp_str[2];
schumi2000 0:32964091adbf 181 memset(temp_str,0x00,2);
schumi2000 0:32964091adbf 182 //USARTX_SendData(USART1,(char *)temp,2);
schumi2000 0:32964091adbf 183
schumi2000 0:32964091adbf 184 memcpy(temp_str+1,(char*)temp,1);
schumi2000 0:32964091adbf 185 memcpy(temp_str,(char*)temp+1,1);
schumi2000 0:32964091adbf 186
schumi2000 0:32964091adbf 187 memcpy((char *)temp,temp_str,2);
schumi2000 0:32964091adbf 188
schumi2000 0:32964091adbf 189 //USARTX_SendData(USART1,(char *)temp,2);
schumi2000 0:32964091adbf 190 }
schumi2000 0:32964091adbf 191
schumi2000 0:32964091adbf 192
schumi2000 0:32964091adbf 193 //设置栈顶地址
schumi2000 0:32964091adbf 194 //addr:栈顶地址
schumi2000 0:32964091adbf 195 __asm void MSR_MSP(u32 addr)
schumi2000 0:32964091adbf 196 {
schumi2000 0:32964091adbf 197 MSR MSP, r0 //set Main Stack value
schumi2000 0:32964091adbf 198 BX r14
schumi2000 0:32964091adbf 199 }