Serial Communications Header - Implementation of dithering digital ripple correlation control f

CHAPTER 6 CONCLUSION

C.2 Serial Communications Header

The following header file was implemented to handle serial communication with the MSP430. /* * serialcommunications.h */ #ifndef SERIALCOMMUNICATIONS_H_ #define SERIALCOMMUNICATIONS_H_ /**

* Ansi C "itoa" based on Kernighan & Ritchie’s "Ansi C": */

void strreverse(char* begin, char* end) {

char aux; while(end>begin)

aux=*end, *end--=*begin, *begin++=aux; }

void itoa(unsigned long value, char* str, int base) {

static char num[] = "0123456789abcdefghijklmnopqrstuvwxyz"; char* wstr=str;

int sign;

// Validate base

if (base<2 || base>35){ *wstr=’\n’; return; }

// Take care of sign

// Conversion. Number is reversed. do *wstr++ = num[value%base]; while(value/=base); if(sign<0) *wstr++=’-’; *wstr=’\n’; // Reverse string strreverse(str,wstr-1); } #endif /* SERIALCOMMUNICATIONS_H_ */

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