func.c

来自「C8051F120 _AD开发过程中的一些代码和文档」· C语言 代码 · 共 63 行

#include "Func.h"

char* itoa(unsigned int value, char* buf,unsigned char radix)
{
	unsigned int i;
	char* ptr;
	char* temphold;

  	temphold = buf;
	ptr = buf + 12;
	*--ptr = 0;		// Insert NULL char

	do
	{
	   // First create string in reverse order
		i = (value % radix) + 0x30;
		if(i > 0x39)
	 	{
			i += 7;
		}
		*--ptr = i;
		value = value / radix;
  	} while(value != 0);

	// Next, move the string 6 places to the left
	// Include NULL character
	for( ; (*buf++ = *ptr++); )
	{
		;
	}
	return(temphold);
}

char* ltoa(unsigned long value, char* buf,unsigned char radix)
{
	unsigned char i;
	char* ptr;
	char* temphold;

  	temphold = buf;
	ptr = buf + 12;
	*--ptr = 0;		// Insert NULL char

	do
	{
	   // First create string in reverse order
		i = (value % radix) + 0x30;
		if(i > 0x39)
	 	{
			i += 7;
		}
		*--ptr = i;
		value = value / radix;
  	} while(value != 0);

	// Next, move the string 6 places to the left
	// Include NULL character
	for( ; (*buf++ = *ptr++); )
	{
		;
	}
	return(temphold);
}