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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3091 35acf78f-673a-0410-8e92-d51de3d6d3f4

This commit is contained in:
gdisirio 2011-06-27 15:00:05 +00:00
parent a553bca00f
commit fdf08e2a41
4 changed files with 286 additions and 4 deletions
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238
os/various/chprintf.c Normal file
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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdarg.h>
#include "ch.h"
#define MAXDIG 11
static char *itoa(char *p, int num, unsigned radix) {
int i;
char *q;
q = p + MAXDIG;
do {
i = (int)(num % radix);
i += '0';
if (i > '9')
i += 'A' - '0' - 10;
*--q = i;
} while ((num /= radix) != 0);
i = (int)(p + MAXDIG - q);
do
*p++ = *q++;
while (--i);
return p;
}
#ifndef NO_LONGD
static char *ltoa(char *p, long num, unsigned radix) {
int i;
char *q;
q = p + MAXDIG;
do {
i = (int)(num % radix);
i += '0';
if (i > '9')
i += 'A' - '0' - 10;
*--q = i;
} while ((num /= radix) != 0);
i = (int)(p + MAXDIG - q);
do
*p++ = *q++;
while (--i);
return p;
}
#endif
void chprintf(BaseChannel *chp, const char *fmt, ...) {
va_list ap;
char buf[MAXDIG + 1];
char *p, *s;
int c, i, width, ndigit, ndfnd, ljust, zfill;
#ifndef NO_LONGD
int lflag;
long l;
#endif
va_start(ap, fmt);
while (TRUE) {
c = *fmt++;
if (c == 0) {
va_end(ap);
return;
}
if (c != '%') {
chIOPut(chp, (uint8_t)c);
continue;
}
p = buf;
s = buf;
ljust = 0;
if (*fmt == '-') {
fmt++;
ljust++;
}
zfill = ' ';
if (*fmt == '0') {
fmt++;
zfill = '0';
}
for (width = 0;;) {
c = *fmt++;
if (c >= '0' && c <= '9')
c -= '0';
else if (c == '*')
c = va_arg(ap, int);
else
break;
width *= 10;
width += c;
}
ndfnd = 0;
ndigit = 0;
if (c == '.') {
for (;;) {
c = *fmt++;
if (c >= '0' && c <= '9')
c -= '0';
else if (c == '*')
c = va_arg(ap, int);
else
break;
ndigit *= 10;
ndigit += c;
ndfnd++;
}
}
#ifndef NO_LONGD
lflag = 0;
#endif
if (c == 'l' || c == 'L') {
#ifndef NO_LONGD
lflag++;
#endif
if (*fmt)
c = *fmt++;
}
switch (c) {
case 'X':
#ifndef NO_LONGD
lflag++;
#endif
case 'x':
c = 16;
goto oxu;
case 'U':
#ifndef NO_LONGD
lflag++;
#endif
case 'u':
c = 10;
goto oxu;
case 'O':
#ifndef NO_LONGD
lflag++;
#endif
case 'o':
c = 8;
oxu:
#ifndef NO_LONGD
if (lflag) {
p = ltoa(p, va_arg(ap, long), c);
break;
}
#endif
p = itoa(p, va_arg(ap, int), c);
break;
case 'D':
#ifndef NO_LONGD
lflag++;
#endif
case 'd':
#ifndef NO_LONGD
if (lflag) {
if ((l = va_arg(ap, long)) < 0) {
*p++ = '-';
l = -l;
}
p = ltoa(p, l, 10);
break;
}
#endif
if ((i = va_arg(ap, int)) < 0) {
*p++ = '-';
i = -i;
}
p = itoa(p, i, 10);
break;
/* case 'e':
case 'f':
case 'g':
zfill = ' ';
*p++ = '?';
break;*/
case 'c':
zfill = ' ';
*p++ = va_arg(ap, int);
break;
case 's':
zfill = ' ';
if ((s = va_arg(ap, char *)) == 0)
s = "(null)";
if (ndigit == 0)
ndigit = 32767;
for (p = s; *p && --ndigit >= 0; p++)
;
break;
default:
*p++ = c;
break;
}
i = (int)(p - s);
if ((width -= i) < 0)
width = 0;
if (ljust == 0)
width = -width;
if (width < 0) {
if (*s == '-' && zfill == '0') {
chIOPut(chp, (uint8_t)*s++);
i--;
}
do
chIOPut(chp, (uint8_t)zfill);
while (++width != 0);
}
while (--i >= 0)
chIOPut(chp, (uint8_t)*s++);
while (width) {
chIOPut(chp, (uint8_t)zfill);
width--;
}
}
}

42
os/various/chprintf.h Normal file
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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file chprintf.h
* @brief Mini printf-like functionality.
*
* @addtogroup event_timer
* @{
*/
#ifndef _CHPRINTF_H_
#define _CHPRINTF_H_
#ifdef __cplusplus
extern "C" {
#endif
void chprintf(BaseChannel *chp, const char *fmt, ...);
#ifdef __cplusplus
}
#endif
#endif /* _CHPRINTF_H_ */
/** @} */

5
os/various/evtimer.c
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@ -19,8 +19,9 @@
*/
/**
* @file evtimer.c
* @brief Events Generator Timer code.
* @file evtimer.c
* @brief Events Generator Timer code.
*
* @addtogroup event_timer
* @{
*/

5
os/various/evtimer.h
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@ -19,8 +19,9 @@
*/
/**
* @file evtimer.h
* @brief Events Generator Timer structures and macros.
* @file evtimer.h
* @brief Events Generator Timer structures and macros.
*
* @addtogroup event_timer
* @{
*/