东亚 范
by schumi2000
Diff: sys.cpp
- Revision:
- 0:32964091adbf
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys.cpp Wed Aug 17 06:28:57 2016 +0000
@@ -0,0 +1,199 @@
+#include "sys.h"
+
+
+unsigned short ccitt_table[256] = {
+0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
+0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
+0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
+0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
+0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
+0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
+0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
+0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
+0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
+0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
+0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
+0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
+0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
+0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
+0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
+0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
+0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
+0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
+0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
+0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
+0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
+0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
+0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
+0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
+0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
+0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
+0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
+0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
+0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
+0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
+0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
+0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
+};
+
+unsigned short crc_ccitt(unsigned char *q, int len)
+{
+ unsigned short crc = 0;
+
+ while (len-- > 0)
+ crc = ccitt_table[(crc >> 8 ^ *q++) & 0xff] ^ (crc << 8);
+ return ~crc;
+}
+
+
+/**
+*@brief 把十进制数转化为字符型
+*@param c:要转化十进制数据
+*@return 返回一个字符型数据
+*/
+char c2d(uint8_t c)
+{
+ if (c >= '0' && c <= '9')
+ return c - '0';
+ if (c >= 'a' && c <= 'f')
+ return 10 + c -'a';
+ if (c >= 'A' && c <= 'F')
+ return 10 + c -'A';
+
+ return (char)c;
+}
+
+/**
+*@brief 字符转转化为8位整型函数
+*@param str:要转化字符串， base:
+*@return num:返回转化后的整型数
+*/
+uint16_t atoi16(char* str,uint16_t base )
+{
+ unsigned int num = 0;
+ while (*str !=0)
+ num = num * base + c2d(*str++);
+ return num;
+}
+
+
+/**
+*@brief 把字符串转化为十进制或十六进制数函数
+*@param str:要转化字符串， len：整型数长度
+*@return 成功 - 1, 失败 - 0
+*/
+int validatoi(char* str, int base,int* ret)
+{
+ int c;
+ char* tstr = str;
+ if(str == 0 || *str == '\0') return 0;
+ while(*tstr != '\0')
+ {
+ c = c2d(*tstr);
+ if( c >= 0 && c < base) tstr++;
+ else return 0;
+ }
+
+ *ret = atoi16(str,base);
+ return 1;
+}
+
+void HexToStr(char *pbDest, char *pbSrc, int nLen)
+{
+ char ddl,ddh;
+ int i;
+
+ for (i=0; i<nLen; i++)
+ {
+ ddh = 48 + pbSrc[i] / 16;
+ ddl = 48 + pbSrc[i] % 16;
+ if (ddh > 57) ddh = ddh + 7;
+ if (ddl > 57) ddl = ddl + 7;
+ pbDest[i*2] = ddh;
+ pbDest[i*2+1] = ddl;
+ }
+
+ pbDest[nLen*2] = '\0';
+}
+
+void HexOutput(const char* buf, int len)
+{
+ int i=0;
+ printf("The Hex output of data :\n0x");
+ for(i=0; i<len; ++i)
+ {
+ unsigned char c = buf[i]; // must use unsigned char to print >128 value
+ if( c< 16)
+ {
+ printf("0%x ", c);
+ }
+ else
+ {
+ printf("%x ", c);
+ }
+ }
+ printf("\n");
+}
+
+
+void reverse_u64(uint64_t *temp)
+{
+ char temp_str[8];
+ memset(temp_str,0x00,8);
+ //printf("old data\n");
+ //HexOutput((char *)temp,8);
+
+ memcpy(temp_str+7,(char*)temp,1);
+ memcpy(temp_str+6,(char*)temp+1,1);
+ memcpy(temp_str+5,(char*)temp+2,1);
+ memcpy(temp_str+4,(char*)temp+3,1);
+ memcpy(temp_str+3,(char*)temp+4,1);
+ memcpy(temp_str+2,(char*)temp+5,1);
+ memcpy(temp_str+1,(char*)temp+6,1);
+ memcpy(temp_str,(char*)temp+7,1);
+
+ memcpy((char *)temp,temp_str,8);
+
+ //printf("new data\n");
+ //HexOutput((char *)temp,8);
+}
+
+
+void reverse_u32(uint32_t *temp)
+{
+ char temp_str[4];
+ memset(temp_str,0x00,4);
+ //USARTX_SendData(USART1,(char *)temp,4);
+
+ memcpy(temp_str+3,(char*)temp,1);
+ memcpy(temp_str+2,(char*)temp+1,1);
+ memcpy(temp_str+1,(char*)temp+2,1);
+ memcpy(temp_str,(char*)temp+3,1);
+
+ memcpy((char *)temp,temp_str,4);
+
+ //USARTX_SendData(USART1,(char *)temp,4);
+}
+
+void reverse_u16(uint16_t *temp)
+{
+ char temp_str[2];
+ memset(temp_str,0x00,2);
+ //USARTX_SendData(USART1,(char *)temp,2);
+
+ memcpy(temp_str+1,(char*)temp,1);
+ memcpy(temp_str,(char*)temp+1,1);
+
+ memcpy((char *)temp,temp_str,2);
+
+ //USARTX_SendData(USART1,(char *)temp,2);
+}
+
+
+//设置栈顶地址
+//addr:栈顶地址
+__asm void MSR_MSP(u32 addr)
+{
+ MSR MSP, r0 //set Main Stack value
+ BX r14
+}