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checker_slave/source/elec_det/base/utility.c

459 lines
7.2 KiB
C
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#include "utility.h"
float myatof(const char* str)
{
uint32_t int_nu = 0;
uint32_t flot_nu = 0;
float val;
float f_count = 1;
while((*str != 0) && (*str != '.'))
{
if(*str > '9' && *str < '0')
{
str++;
continue;
}
int_nu = int_nu*10+(*str - 48);
str++;
}
if(*str == 0)
{
val = int_nu;
return val;
}
str++;
while(*str != 0)
{
if(*str > '9' && *str < '0')
{
str++;
continue;
}
flot_nu = flot_nu*10+(*str - 48);
f_count *= 10;
str++;
}
val = flot_nu;
val = val / f_count + int_nu;
return val;
}
/**
*@brief string to uint16_t
*@param str:src string base:
*@return num:convert result
*/
uint16_t atoi16(const char* str,uint16_t base)
{
unsigned int num = 0;
while (*str !=0)
num = num * base + c2d(*str++);
return num;
}
/**
*@brief string to uint32
*@param str:src string base:
*@return num:convert result
*/
uint32_t atoi32(const char* str,uint16_t base)
{
uint32_t num = 0;
while (*str !=0)
num = num * base + c2d(*str++);
return num;
}
/**
*@brief uint16 data to string
*@param n:src num str[5]:string buffer lenstring size
*@return void
*/
void itoa(uint16_t n,uint8_t str[5], uint8_t len)
{
uint8_t i=len-1;
memset(str,0x20,len);
do{
str[i--]=n%10+'0';
}while((n/=10)>0);
return;
}
/**
*@brief dec or hex string convert to uint32_t
*@param str:src string ret the pointer of result
*@return success = 1, fail = 0
*/
int validatoi(const char* str, int base,uint32_t* ret)
{
int c;
const 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 = atoi32(str,base);
return 1;
}
/**
*@brief new char to replace the old char
*@param str:src stringoldchar:dst charnewcharsrc char
*@return void
*/
void replacetochar(char * str, char oldchar,char newchar)
{
int x;
for (x = 0; str[x]; x++)
if (str[x] == oldchar) str[x] = newchar;
}
/**
*@brief char to num
*@param c:src char
*@return convert result
*/
char c2d(const 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)0;
}
/**
*@brief num to char
*@param c:src num
*@return convert result
*/
char d2c(const uint8_t c)
{
if ( c <= 9)
{
return c + '0';
}
if (c >= 0x0a && c <= 0x0f)
{
return c + 'a' - 10;
}
return 0;
}
/**
*@brief 2bytes swap
*@param i:src num
*@return convert result
*/
uint16_t swaps(uint16_t i)
{
uint16_t ret=0;
ret = (i & 0xFF) << 8;
ret |= ((i >> 8)& 0xFF);
return ret;
}
/**
*@brief 4 bytes swap, bytes order 4 3 2 1 convert to 1 2 3 4
*@param i:src num
*@return convert result
*/
uint32_t swapl(uint32_t l)
{
uint32_t ret=0;
ret = (l & 0xFF) << 24;
ret |= ((l >> 8) & 0xFF) << 16;
ret |= ((l >> 16) & 0xFF) << 8;
ret |= ((l >> 24) & 0xFF);
return ret;
}
/**
*@brief get substring
*@param src:src string s1: target begin s2: target end sub: result pointer
*@return void
*/
void mid(const char* src, const char* s1, const char* s2, char* sub)
{
char* sub1;
char* sub2;
uint16_t n;
sub1=strstr(src,s1);
sub1+=strlen(s1);
sub2=strstr(sub1,s2);
n=sub2-sub1;
strncpy(sub,sub1,n);
sub[n]=0;
}
/**
*@brief bytes array conver to string
*@param *data: ponit src bytes len: array length str: resuter string pointer
*@return void
*/
void bytes2hexString(const char* data, uint32_t len, char* str)
{
char c_temp;
while(len > 0)
{
c_temp = ((*data) &0xF0) >> 4;
if(c_temp < 10)
{
*str = c_temp + '0';
}
else
{
*str = (c_temp - 10) + 'A';
}
c_temp = ((*data) &0x0F);
str++;
if(c_temp < 10)
{
*str = c_temp + '0';
}
else
{
*str = (c_temp - 10)+ 'A';
}
str++;
data++;
len--;
}
*(str++) = '\0';
}
/*
Hex Datas to Bytes
*/
uint8_t HexStrings2Byte(char**strs,uint16_t size,uint8_t* buf,uint16_t buf_size)
{
char* str;
uint8_t data = 0;
uint16_t count = 0;
while((size > 0) && (count < buf_size))
{
str = strs[count++];
size--;
data = 0;
while(*str != '\0')
{
if(*str == '0')
{
if((*(str+1) == 'X') || (*(str+1) == 'x'))
{
str+=2;
continue;
}
}
data <<=4;
data |=c2d(*str);
str++;
}
*buf = data;
buf++;
}
return count;
}
/*
Hex Datas to uint32_t
*/
uint32_t HexStrings2UInt(char*str)
{
uint32_t data = 0;
uint16_t count = 0;
data = 0;
while(*str != '\0' && count < 10)
{
if(*str == '0')
{
if((*(str+1) == 'X') || (*(str+1) == 'x'))
{
str+=2;
continue;
}
}
data <<=4;
data |=c2d(*str);
str++;
count++;
}
return data;
}
//冒泡排序16位数据
void Bubble_Sort_u16(uint16_t* buf,uint32_t len)
{
uint32_t ul_temp1 = 0;
uint32_t ul_temp2 = 0;
uint16_t us_temp;
if(len < 2)
return;
for(ul_temp2 = 0; ul_temp2 < len-1; ul_temp2++)
{
for(ul_temp1 = 0; ul_temp1 < len-1-ul_temp2; ul_temp1++)
{
if(buf[ul_temp1] > buf[ul_temp1+1])
{
us_temp = buf[ul_temp1];
buf[ul_temp1] = buf[ul_temp1 + 1];
buf[ul_temp1 + 1] = us_temp;
}
}
}
}
//数据左移
void BufMoveLeft(uint8_t* srcbuf,uint16_t offset,uint16_t data_len)
{
uint8_t index = 0;
while(data_len > 0)
{
srcbuf[index] = srcbuf[index+offset];
data_len--;
index++;
}
}
//数据右移
void BufMoveRight(uint8_t* srcbuf,uint16_t offset,uint16_t data_len)
{
while(data_len > 0)
{
data_len--;
srcbuf[data_len+offset] = srcbuf[data_len] ;
}
}
//@brief 计算数组的CRC8值
//@param *srcbuf 数据源指针
//@param len 数据源长度
//@rtvl 返回计算结果
uint8_t CheckXOR_8(uint8_t* srcbuf,uint16_t len)
{
uint8_t crc = 0x00;
while(len--)
{
crc ^= *srcbuf++;
}
return crc;
}
//@brief 计算数组异或校验值
//@param *Ptr 数据源
//@param num 计算长度
//@rtvl 返回计算结果
uint8_t CheckCRC_8(uint8_t* Ptr,uint16_t num)
{
uint8_t crc = 0;
uint16_t j,i;
for (j = 0; j < num; j++)
{
crc ^= *(Ptr+j);
for ( i = 0; i < 8; i++)
{
if ((crc & 0x01) != 0)
{
crc >>= 1;
crc ^= 0x8c;
}
else
{
crc >>= 1;
}
}
}
return crc;
}
//@brief 计算CRC32
//@param *srcbuf 数据源
//@param len 计算长度
//@rtvl 返回计算结果
uint32_t Crc32Calu(uint32_t* buf, uint32_t len)
{
uint32_t temp,crc = 0xFFFFFFFF;
uint32_t i,j;
i = 0;
if(((uint32_t)buf %4) != 0)
{
return 1;
}
while(i<len)
{
temp = *buf;
i += 4;
buf ++;
for(j=0; j<32; j++)
{
if( (crc ^ temp) & 0x80000000 )
{
crc = 0x04C11DB7 ^(crc<<1);
}
else
{
crc <<=1;
}
temp<<=1;
}
crc&=0xFFFFFFFF;
}
return crc;
}
/*
@brief
@param *aus_buf
@param us_size
@param *us_max
@param *us_min
*/
void GetMaxAndMinValue(uint16_t* aus_buf,uint16_t us_size,uint16_t* us_max,uint16_t* us_min)
{
*us_max = 0;
*us_min = ~0;
while(us_size > 0)
{
if(*us_max < *aus_buf)
{
*us_max = *aus_buf;
}
if(*us_min > *aus_buf)
{
*us_min = *aus_buf;
}
aus_buf++;
us_size--;
}
}