97 lines
2.7 KiB
C
97 lines
2.7 KiB
C
/*---------------------------------------------------------------------------
|
|
Extended itoa, puts and printf (C)ChaN, 2006
|
|
|
|
-----------------------------------------------------------------------------*/
|
|
|
|
#ifndef XITOA
|
|
#define XITOA
|
|
|
|
#include <avr/pgmspace.h>
|
|
|
|
extern void (*xfunc_out)(char);
|
|
|
|
/* This is a pointer to user defined output function. It must be initialized
|
|
before using this modle.
|
|
*/
|
|
|
|
void xputc(char chr);
|
|
|
|
/* This is a stub function to forward outputs to user defined output function.
|
|
All outputs from this module are output via this function.
|
|
*/
|
|
|
|
|
|
/*-----------------------------------------------------------------------------*/
|
|
void xputs(const prog_char *string);
|
|
|
|
/* The string placed in the ROM is forwarded to xputc() directly.
|
|
*/
|
|
|
|
|
|
/*-----------------------------------------------------------------------------*/
|
|
void xitoa(long value, char radix, char width);
|
|
|
|
/* Extended itoa().
|
|
|
|
value radix width output
|
|
100 10 6 " 100"
|
|
100 10 -6 "000100"
|
|
100 10 0 "100"
|
|
4294967295 10 0 "4294967295"
|
|
4294967295 -10 0 "-1"
|
|
655360 16 -8 "000A0000"
|
|
1024 16 0 "400"
|
|
0x55 2 -8 "01010101"
|
|
*/
|
|
|
|
|
|
/*-----------------------------------------------------------------------------*/
|
|
void xprintf(const prog_char *format, ...);
|
|
|
|
/* Format string is placed in the ROM. The format flags is similar to printf().
|
|
|
|
%[flag][width][size]type
|
|
|
|
flag
|
|
A '0' means filled with '0' when output is shorter than width.
|
|
' ' is used in default. This is effective only numeral type.
|
|
width
|
|
Minimum width in decimal number. This is effective only numeral type.
|
|
Default width is zero.
|
|
size
|
|
A 'l' means the argument is long(32bit). Default is short(16bit).
|
|
This is effective only numeral type.
|
|
type
|
|
'c' : Character, argument is the value
|
|
's' : String placed on the RAM, argument is the pointer
|
|
'S' : String placed on the ROM, argument is the pointer
|
|
'd' : Signed decimal, argument is the value
|
|
'u' : Unsigned decimal, argument is the value
|
|
'X' : Hex decimal, argument is the value
|
|
'b' : Binary, argument is the value
|
|
'%' : '%'
|
|
|
|
*/
|
|
|
|
|
|
/*-----------------------------------------------------------------------------*/
|
|
char xatoi(char **str, long *ret);
|
|
|
|
/* Get value of the numeral string.
|
|
|
|
str
|
|
Pointer to pointer to source string
|
|
|
|
"0b11001010" binary
|
|
"0377" octal
|
|
"0xff800" hexdecimal
|
|
"1250000" decimal
|
|
"-25000" decimal
|
|
|
|
ret
|
|
Pointer to return value
|
|
*/
|
|
|
|
#endif /* XITOA */
|
|
|