From d9c06db60006e2191d8b86e34f651644a54426b4 Mon Sep 17 00:00:00 2001 From: tmk Date: Tue, 14 May 2013 16:16:57 +0900 Subject: Add xprintf(xitoa) from elm-chan.org --- common/xprintf.h | 103 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 common/xprintf.h (limited to 'common/xprintf.h') diff --git a/common/xprintf.h b/common/xprintf.h new file mode 100644 index 0000000000..cddec99409 --- /dev/null +++ b/common/xprintf.h @@ -0,0 +1,103 @@ +/*--------------------------------------------------------------------------- + Extended itoa, puts and printf (C)ChaN, 2011 +-----------------------------------------------------------------------------*/ + +#ifndef XPRINTF_H +#define XPRINTF_H + +#include +#include + +extern void (*xfunc_out)(uint8_t); +#define xdev_out(func) xfunc_out = (void(*)(uint8_t))(func) + +/* 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" +*/ + + +/*-----------------------------------------------------------------------------*/ +#define xprintf(format, ...) __xprintf(PSTR(format), ##__VA_ARGS__) +#define xsprintf(str, format, ...) __xsprintf(str, PSTR(format), ##__VA_ARGS__) +#define xfprintf(func, format, ...) __xfprintf(func, PSTR(format), ##__VA_ARGS__) + +void __xprintf(const prog_char *format, ...); /* Send formatted string to the registered device */ +void __xsprintf(char*, const prog_char *format, ...); /* Put formatted string to the memory */ +void __xfprintf(void(*func)(uint8_t), const prog_char *format, ...); /* Send formatted string to the specified device */ + +/* 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' : Hexdecimal, 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 + -- cgit v1.2.3