str 2 hex
1 void str2hex(const char*p,unsigned int index) 2 { 3 unsigned char i=0,j=0; 4 for(;i < index;) 5 { 6 hexBuf[j]<<=4; 7 if(*p >= '0' && '9' >= *p) 8 { 9 hexBuf[j]|=*p++ - '0'; 10 } 11 else if(*p >='a' && 'f'>=*p) 12 { 13 hexBuf[j]|=*p++ - 87; 14 } 15 else if(*p >='A' && 'F'>=*p) 16 { 17 hexBuf[j]|=*p++ - 55; 18 } 19 else 20 { 21 return; //invalid package received 22 } 23 i++; 24 if(!(i%2)) 25 { 26 j++; 27 } 28 } 29 }