/* File : barebones/ee_printf.c
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/* File : barebones/ee_printf.c
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This file contains an implementation of ee_printf that only requires a method to output a char to a UART without pulling in library code.
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This file contains an implementation of ee_printf that only requires a method to output a char to a UART without pulling in library code.
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This code is based on a file that contains the following:
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This code is based on a file that contains the following:
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Copyright (C) 2002 Michael Ringgaard. All rights reserved.
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Copyright (C) 2002 Michael Ringgaard. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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modification, are permitted provided that the following conditions
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are met:
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are met:
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1. Redistributions of source code must retain the above copyright
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the project nor the names of its contributors
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3. Neither the name of the project nor the names of its contributors
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may be used to endorse or promote products derived from this software
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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SUCH DAMAGE.
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*/
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*/
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#include "coremark.h"
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#include "coremark.h"
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#include <stdarg.h>
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#include <stdarg.h>
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#include "support.h"
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#include "support.h"
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#include "board.h"
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#include "board.h"
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#include "uart.h"
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#include "uart.h"
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|
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#define ZEROPAD (1<<0) /* Pad with zero */
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#define ZEROPAD (1<<0) /* Pad with zero */
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#define SIGN (1<<1) /* Unsigned/signed long */
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#define SIGN (1<<1) /* Unsigned/signed long */
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#define PLUS (1<<2) /* Show plus */
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#define PLUS (1<<2) /* Show plus */
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#define SPACE (1<<3) /* Spacer */
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#define SPACE (1<<3) /* Spacer */
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#define LEFT (1<<4) /* Left justified */
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#define LEFT (1<<4) /* Left justified */
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#define HEX_PREP (1<<5) /* 0x */
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#define HEX_PREP (1<<5) /* 0x */
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#define UPPERCASE (1<<6) /* 'ABCDEF' */
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#define UPPERCASE (1<<6) /* 'ABCDEF' */
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|
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#define is_digit(c) ((c) >= '0' && (c) <= '9')
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#define is_digit(c) ((c) >= '0' && (c) <= '9')
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|
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static char *digits = "0123456789abcdefghijklmnopqrstuvwxyz";
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static char *digits = "0123456789abcdefghijklmnopqrstuvwxyz";
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static char *upper_digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
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static char *upper_digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
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static size_t strnlen(const char *s, size_t count);
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static size_t strnlen(const char *s, size_t count);
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|
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static size_t strnlen(const char *s, size_t count)
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static size_t strnlen(const char *s, size_t count)
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{
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{
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const char *sc;
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const char *sc;
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for (sc = s; *sc != '\0' && count--; ++sc);
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for (sc = s; *sc != '\0' && count--; ++sc) ;
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return sc - s;
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return sc - s;
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}
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}
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static int skip_atoi(const char **s)
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static int skip_atoi(const char **s)
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{
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{
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int i = 0;
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int i = 0;
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while (is_digit(**s)) i = i*10 + *((*s)++) - '0';
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while (is_digit(**s))
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i = i * 10 + *((*s)++) - '0';
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return i;
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return i;
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}
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}
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static char *number(char *str, long num, int base, int size, int precision, int type)
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static char *number(char *str, long num, int base, int size, int precision,
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int type)
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{
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{
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char c, sign, tmp[66];
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char c, sign, tmp[66];
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char *dig = digits;
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char *dig = digits;
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int i;
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int i;
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if (type & UPPERCASE) dig = upper_digits;
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if (type & UPPERCASE)
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if (type & LEFT) type &= ~ZEROPAD;
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dig = upper_digits;
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if (base < 2 || base > 36) return 0;
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if (type & LEFT)
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type &= ~ZEROPAD;
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if (base < 2 || base > 36)
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return 0;
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|
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c = (type & ZEROPAD) ? '0' : ' ';
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c = (type & ZEROPAD) ? '0' : ' ';
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sign = 0;
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sign = 0;
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if (type & SIGN)
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if (type & SIGN) {
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{
|
if (num < 0) {
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if (num < 0)
|
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{
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|
sign = '-';
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sign = '-';
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num = -num;
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num = -num;
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size--;
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size--;
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}
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} else if (type & PLUS) {
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else if (type & PLUS)
|
|
{
|
|
sign = '+';
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sign = '+';
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size--;
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size--;
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}
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} else if (type & SPACE) {
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else if (type & SPACE)
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{
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sign = ' ';
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sign = ' ';
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size--;
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size--;
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}
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}
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}
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}
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|
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if (type & HEX_PREP)
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if (type & HEX_PREP) {
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{
|
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if (base == 16)
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if (base == 16)
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size -= 2;
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size -= 2;
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else if (base == 8)
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else if (base == 8)
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size--;
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size--;
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}
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}
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|
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i = 0;
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i = 0;
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|
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if (num == 0)
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if (num == 0)
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tmp[i++] = '0';
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tmp[i++] = '0';
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else
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else {
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{
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while (num != 0) {
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while (num != 0)
|
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{
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tmp[i++] = dig[((unsigned long) num) % (unsigned) base];
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tmp[i++] = dig[((unsigned long) num) % (unsigned) base];
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num = ((unsigned long) num) / (unsigned) base;
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num = ((unsigned long)num) / (unsigned)base;
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}
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}
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}
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}
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|
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if (i > precision) precision = i;
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if (i > precision)
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precision = i;
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size -= precision;
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size -= precision;
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if (!(type & (ZEROPAD | LEFT))) while (size-- > 0) *str++ = ' ';
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if (!(type & (ZEROPAD | LEFT)))
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if (sign) *str++ = sign;
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while (size-- > 0)
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*str++ = ' ';
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|
if (sign)
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*str++ = sign;
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|
|
if (type & HEX_PREP)
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if (type & HEX_PREP) {
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{
|
|
if (base == 8)
|
if (base == 8)
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*str++ = '0';
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*str++ = '0';
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else if (base == 16)
|
else if (base == 16) {
|
{
|
|
*str++ = '0';
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*str++ = '0';
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*str++ = digits[33];
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*str++ = digits[33];
|
}
|
}
|
}
|
}
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|
|
if (!(type & LEFT)) while (size-- > 0) *str++ = c;
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if (!(type & LEFT))
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while (i < precision--) *str++ = '0';
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while (size-- > 0)
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while (i-- > 0) *str++ = tmp[i];
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*str++ = c;
|
while (size-- > 0) *str++ = ' ';
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while (i < precision--)
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*str++ = '0';
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while (i-- > 0)
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*str++ = tmp[i];
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|
while (size-- > 0)
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*str++ = ' ';
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|
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return str;
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return str;
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}
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}
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|
|
static char *eaddr(char *str, unsigned char *addr, int size, int precision, int type)
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static char *eaddr(char *str, unsigned char *addr, int size, int precision,
|
|
int type)
|
{
|
{
|
char tmp[24];
|
char tmp[24];
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char *dig = digits;
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char *dig = digits;
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int i, len;
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int i, len;
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|
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if (type & UPPERCASE) dig = upper_digits;
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if (type & UPPERCASE)
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dig = upper_digits;
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len = 0;
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len = 0;
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for (i = 0; i < 6; i++)
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for (i = 0; i < 6; i++) {
|
{
|
if (i != 0)
|
if (i != 0) tmp[len++] = ':';
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tmp[len++] = ':';
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tmp[len++] = dig[addr[i] >> 4];
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tmp[len++] = dig[addr[i] >> 4];
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tmp[len++] = dig[addr[i] & 0x0F];
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tmp[len++] = dig[addr[i] & 0x0F];
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}
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}
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|
|
if (!(type & LEFT)) while (len < size--) *str++ = ' ';
|
if (!(type & LEFT))
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for (i = 0; i < len; ++i) *str++ = tmp[i];
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while (len < size--)
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while (len < size--) *str++ = ' ';
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*str++ = ' ';
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for (i = 0; i < len; ++i)
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*str++ = tmp[i];
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|
while (len < size--)
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*str++ = ' ';
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|
|
return str;
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return str;
|
}
|
}
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|
|
static char *iaddr(char *str, unsigned char *addr, int size, int precision, int type)
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static char *iaddr(char *str, unsigned char *addr, int size, int precision,
|
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int type)
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{
|
{
|
char tmp[24];
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char tmp[24];
|
int i, n, len;
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int i, n, len;
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|
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len = 0;
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len = 0;
|
for (i = 0; i < 4; i++)
|
for (i = 0; i < 4; i++) {
|
{
|
if (i != 0)
|
if (i != 0) tmp[len++] = '.';
|
tmp[len++] = '.';
|
n = addr[i];
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n = addr[i];
|
|
|
if (n == 0)
|
if (n == 0)
|
tmp[len++] = digits[0];
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tmp[len++] = digits[0];
|
else
|
else {
|
{
|
if (n >= 100) {
|
if (n >= 100)
|
|
{
|
|
tmp[len++] = digits[n / 100];
|
tmp[len++] = digits[n / 100];
|
n = n % 100;
|
n = n % 100;
|
tmp[len++] = digits[n / 10];
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tmp[len++] = digits[n / 10];
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n = n % 10;
|
n = n % 10;
|
}
|
} else if (n >= 10) {
|
else if (n >= 10)
|
|
{
|
|
tmp[len++] = digits[n / 10];
|
tmp[len++] = digits[n / 10];
|
n = n % 10;
|
n = n % 10;
|
}
|
}
|
|
|
tmp[len++] = digits[n];
|
tmp[len++] = digits[n];
|
}
|
}
|
}
|
}
|
|
|
if (!(type & LEFT)) while (len < size--) *str++ = ' ';
|
if (!(type & LEFT))
|
for (i = 0; i < len; ++i) *str++ = tmp[i];
|
while (len < size--)
|
while (len < size--) *str++ = ' ';
|
*str++ = ' ';
|
|
for (i = 0; i < len; ++i)
|
|
*str++ = tmp[i];
|
|
while (len < size--)
|
|
*str++ = ' ';
|
|
|
return str;
|
return str;
|
}
|
}
|
|
|
#ifdef HAS_FLOAT
|
#ifdef HAS_FLOAT
|
|
|
char *ecvtbuf(double arg, int ndigits, int *decpt, int *sign, char *buf);
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char *ecvtbuf(double arg, int ndigits, int *decpt, int *sign, char *buf);
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char *fcvtbuf(double arg, int ndigits, int *decpt, int *sign, char *buf);
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char *fcvtbuf(double arg, int ndigits, int *decpt, int *sign, char *buf);
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static void ee_bufcpy(char *d, char *s, int count);
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static void ee_bufcpy(char *d, char *s, int count);
|
|
|
void ee_bufcpy(char *pd, char *ps, int count) {
|
void ee_bufcpy(char *pd, char *ps, int count)
|
|
{
|
char *pe=ps+count;
|
char *pe=ps+count;
|
while (ps!=pe)
|
while (ps!=pe)
|
*pd++=*ps++;
|
*pd++ = *ps++;
|
}
|
}
|
|
|
static void parse_float(double value, char *buffer, char fmt, int precision)
|
static void parse_float(double value, char *buffer, char fmt, int precision)
|
{
|
{
|
int decpt, sign, exp, pos;
|
int decpt, sign, exp, pos;
|
char *digits = NULL;
|
char *digits = NULL;
|
char cvtbuf[80];
|
char cvtbuf[80];
|
int capexp = 0;
|
int capexp = 0;
|
int magnitude;
|
int magnitude;
|
|
|
if (fmt == 'G' || fmt == 'E')
|
if (fmt == 'G' || fmt == 'E') {
|
{
|
|
capexp = 1;
|
capexp = 1;
|
fmt += 'a' - 'A';
|
fmt += 'a' - 'A';
|
}
|
}
|
|
|
if (fmt == 'g')
|
if (fmt == 'g') {
|
{
|
|
digits = ecvtbuf(value, precision, &decpt, &sign, cvtbuf);
|
digits = ecvtbuf(value, precision, &decpt, &sign, cvtbuf);
|
magnitude = decpt - 1;
|
magnitude = decpt - 1;
|
if (magnitude < -4 || magnitude > precision - 1)
|
if (magnitude < -4 || magnitude > precision - 1) {
|
{
|
|
fmt = 'e';
|
fmt = 'e';
|
precision -= 1;
|
precision -= 1;
|
}
|
} else {
|
else
|
|
{
|
|
fmt = 'f';
|
fmt = 'f';
|
precision -= decpt;
|
precision -= decpt;
|
}
|
}
|
}
|
}
|
|
|
if (fmt == 'e')
|
if (fmt == 'e') {
|
{
|
|
digits = ecvtbuf(value, precision + 1, &decpt, &sign, cvtbuf);
|
digits = ecvtbuf(value, precision + 1, &decpt, &sign, cvtbuf);
|
|
|
if (sign) *buffer++ = '-';
|
if (sign)
|
|
*buffer++ = '-';
|
*buffer++ = *digits;
|
*buffer++ = *digits;
|
if (precision > 0) *buffer++ = '.';
|
if (precision > 0)
|
|
*buffer++ = '.';
|
ee_bufcpy(buffer, digits + 1, precision);
|
ee_bufcpy(buffer, digits + 1, precision);
|
buffer += precision;
|
buffer += precision;
|
*buffer++ = capexp ? 'E' : 'e';
|
*buffer++ = capexp ? 'E' : 'e';
|
|
|
if (decpt == 0)
|
if (decpt == 0) {
|
{
|
|
if (value == 0.0)
|
if (value == 0.0)
|
exp = 0;
|
exp = 0;
|
else
|
else
|
exp = -1;
|
exp = -1;
|
}
|
} else
|
else
|
|
exp = decpt - 1;
|
exp = decpt - 1;
|
|
|
if (exp < 0)
|
if (exp < 0) {
|
{
|
|
*buffer++ = '-';
|
*buffer++ = '-';
|
exp = -exp;
|
exp = -exp;
|
}
|
} else
|
else
|
|
*buffer++ = '+';
|
*buffer++ = '+';
|
|
|
buffer[2] = (exp % 10) + '0';
|
buffer[2] = (exp % 10) + '0';
|
exp = exp / 10;
|
exp = exp / 10;
|
buffer[1] = (exp % 10) + '0';
|
buffer[1] = (exp % 10) + '0';
|
exp = exp / 10;
|
exp = exp / 10;
|
buffer[0] = (exp % 10) + '0';
|
buffer[0] = (exp % 10) + '0';
|
buffer += 3;
|
buffer += 3;
|
}
|
} else if (fmt == 'f') {
|
else if (fmt == 'f')
|
|
{
|
|
digits = fcvtbuf(value, precision, &decpt, &sign, cvtbuf);
|
digits = fcvtbuf(value, precision, &decpt, &sign, cvtbuf);
|
if (sign) *buffer++ = '-';
|
if (sign)
|
if (*digits)
|
*buffer++ = '-';
|
{
|
if (*digits) {
|
if (decpt <= 0)
|
if (decpt <= 0) {
|
{
|
|
*buffer++ = '0';
|
*buffer++ = '0';
|
*buffer++ = '.';
|
*buffer++ = '.';
|
for (pos = 0; pos < -decpt; pos++) *buffer++ = '0';
|
for (pos = 0; pos < -decpt; pos++)
|
while (*digits) *buffer++ = *digits++;
|
*buffer++ = '0';
|
}
|
|
else
|
|
{
|
|
pos = 0;
|
|
while (*digits)
|
while (*digits)
|
{
|
*buffer++ = *digits++;
|
if (pos++ == decpt) *buffer++ = '.';
|
} else {
|
|
pos = 0;
|
|
while (*digits) {
|
|
if (pos++ == decpt)
|
|
*buffer++ = '.';
|
*buffer++ = *digits++;
|
*buffer++ = *digits++;
|
}
|
}
|
}
|
}
|
}
|
} else {
|
else
|
|
{
|
|
*buffer++ = '0';
|
*buffer++ = '0';
|
if (precision > 0)
|
if (precision > 0) {
|
{
|
|
*buffer++ = '.';
|
*buffer++ = '.';
|
for (pos = 0; pos < precision; pos++) *buffer++ = '0';
|
for (pos = 0; pos < precision; pos++)
|
|
*buffer++ = '0';
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
*buffer = '\0';
|
*buffer = '\0';
|
}
|
}
|
|
|
static void decimal_point(char *buffer)
|
static void decimal_point(char *buffer)
|
{
|
{
|
while (*buffer)
|
while (*buffer) {
|
{
|
if (*buffer == '.')
|
if (*buffer == '.') return;
|
return;
|
if (*buffer == 'e' || *buffer == 'E') break;
|
if (*buffer == 'e' || *buffer == 'E')
|
|
break;
|
buffer++;
|
buffer++;
|
}
|
}
|
|
|
if (*buffer)
|
if (*buffer) {
|
{
|
|
int n = strnlen(buffer,256);
|
int n = strnlen(buffer,256);
|
while (n > 0)
|
while (n > 0) {
|
{
|
|
buffer[n + 1] = buffer[n];
|
buffer[n + 1] = buffer[n];
|
n--;
|
n--;
|
}
|
}
|
|
|
*buffer = '.';
|
*buffer = '.';
|
}
|
} else {
|
else
|
|
{
|
|
*buffer++ = '.';
|
*buffer++ = '.';
|
*buffer = '\0';
|
*buffer = '\0';
|
}
|
}
|
}
|
}
|
|
|
static void cropzeros(char *buffer)
|
static void cropzeros(char *buffer)
|
{
|
{
|
char *stop;
|
char *stop;
|
|
|
while (*buffer && *buffer != '.') buffer++;
|
while (*buffer && *buffer != '.')
|
if (*buffer++)
|
buffer++;
|
{
|
if (*buffer++) {
|
while (*buffer && *buffer != 'e' && *buffer != 'E') buffer++;
|
while (*buffer && *buffer != 'e' && *buffer != 'E')
|
|
buffer++;
|
stop = buffer--;
|
stop = buffer--;
|
while (*buffer == '0') buffer--;
|
while (*buffer == '0')
|
if (*buffer == '.') buffer--;
|
buffer--;
|
|
if (*buffer == '.')
|
|
buffer--;
|
while (buffer!=stop)
|
while (buffer!=stop)
|
*++buffer=0;
|
*++buffer = 0;
|
}
|
}
|
}
|
}
|
|
|
static char *flt(char *str, double num, int size, int precision, char fmt, int flags)
|
static char *flt(char *str, double num, int size, int precision, char fmt,
|
|
int flags)
|
{
|
{
|
char tmp[80];
|
char tmp[80];
|
char c, sign;
|
char c, sign;
|
int n, i;
|
int n, i;
|
|
|
// Left align means no zero padding
|
// Left align means no zero padding
|
if (flags & LEFT) flags &= ~ZEROPAD;
|
if (flags & LEFT)
|
|
flags &= ~ZEROPAD;
|
|
|
// Determine padding and sign char
|
// Determine padding and sign char
|
c = (flags & ZEROPAD) ? '0' : ' ';
|
c = (flags & ZEROPAD) ? '0' : ' ';
|
sign = 0;
|
sign = 0;
|
if (flags & SIGN)
|
if (flags & SIGN) {
|
{
|
if (num < 0.0) {
|
if (num < 0.0)
|
|
{
|
|
sign = '-';
|
sign = '-';
|
num = -num;
|
num = -num;
|
size--;
|
size--;
|
}
|
} else if (flags & PLUS) {
|
else if (flags & PLUS)
|
|
{
|
|
sign = '+';
|
sign = '+';
|
size--;
|
size--;
|
}
|
} else if (flags & SPACE) {
|
else if (flags & SPACE)
|
|
{
|
|
sign = ' ';
|
sign = ' ';
|
size--;
|
size--;
|
}
|
}
|
}
|
}
|
|
|
// Compute the precision value
|
// Compute the precision value
|
if (precision < 0)
|
if (precision < 0)
|
precision = 6; // Default precision: 6
|
precision = 6; // Default precision: 6
|
|
|
// Convert floating point number to text
|
// Convert floating point number to text
|
parse_float(num, tmp, fmt, precision);
|
parse_float(num, tmp, fmt, precision);
|
|
|
if ((flags & HEX_PREP) && precision == 0) decimal_point(tmp);
|
if ((flags & HEX_PREP) && precision == 0)
|
if (fmt == 'g' && !(flags & HEX_PREP)) cropzeros(tmp);
|
decimal_point(tmp);
|
|
if (fmt == 'g' && !(flags & HEX_PREP))
|
|
cropzeros(tmp);
|
|
|
n = strnlen(tmp,256);
|
n = strnlen(tmp, 256);
|
|
|
// Output number with alignment and padding
|
// Output number with alignment and padding
|
size -= n;
|
size -= n;
|
if (!(flags & (ZEROPAD | LEFT))) while (size-- > 0) *str++ = ' ';
|
if (!(flags & (ZEROPAD | LEFT)))
|
if (sign) *str++ = sign;
|
while (size-- > 0)
|
if (!(flags & LEFT)) while (size-- > 0) *str++ = c;
|
*str++ = ' ';
|
for (i = 0; i < n; i++) *str++ = tmp[i];
|
if (sign)
|
while (size-- > 0) *str++ = ' ';
|
*str++ = sign;
|
|
if (!(flags & LEFT))
|
|
while (size-- > 0)
|
|
*str++ = c;
|
|
for (i = 0; i < n; i++)
|
|
*str++ = tmp[i];
|
|
while (size-- > 0)
|
|
*str++ = ' ';
|
|
|
return str;
|
return str;
|
}
|
}
|
|
|
#endif
|
#endif
|
|
|
static int ee_vsprintf(char *buf, const char *fmt, va_list args)
|
static int ee_vsprintf(char *buf, const char *fmt, va_list args)
|
{
|
{
|
int len;
|
int len;
|
unsigned long num;
|
unsigned long num;
|
int i, base;
|
int i, base;
|
char *str;
|
char *str;
|
char *s;
|
char *s;
|
|
|
int flags; // Flags to number()
|
int flags; // Flags to number()
|
|
|
int field_width; // Width of output field
|
int field_width; // Width of output field
|
int precision; // Min. # of digits for integers; max number of chars for from string
|
int precision; // Min. # of digits for integers; max number of chars for from string
|
int qualifier; // 'h', 'l', or 'L' for integer fields
|
int qualifier; // 'h', 'l', or 'L' for integer fields
|
|
|
for (str = buf; *fmt; fmt++)
|
for (str = buf; *fmt; fmt++) {
|
{
|
if (*fmt != '%') {
|
if (*fmt != '%')
|
|
{
|
|
*str++ = *fmt;
|
*str++ = *fmt;
|
continue;
|
continue;
|
}
|
}
|
|
|
// Process flags
|
// Process flags
|
flags = 0;
|
flags = 0;
|
repeat:
|
repeat:
|
fmt++; // This also skips first '%'
|
fmt++; // This also skips first '%'
|
switch (*fmt)
|
switch (*fmt) {
|
{
|
case '-':
|
case '-': flags |= LEFT; goto repeat;
|
flags |= LEFT;
|
case '+': flags |= PLUS; goto repeat;
|
goto repeat;
|
case ' ': flags |= SPACE; goto repeat;
|
case '+':
|
case '#': flags |= HEX_PREP; goto repeat;
|
flags |= PLUS;
|
case '0': flags |= ZEROPAD; goto repeat;
|
goto repeat;
|
|
case ' ':
|
|
flags |= SPACE;
|
|
goto repeat;
|
|
case '#':
|
|
flags |= HEX_PREP;
|
|
goto repeat;
|
|
case '0':
|
|
flags |= ZEROPAD;
|
|
goto repeat;
|
}
|
}
|
|
|
// Get field width
|
// Get field width
|
field_width = -1;
|
field_width = -1;
|
if (is_digit(*fmt))
|
if (is_digit(*fmt))
|
field_width = skip_atoi(&fmt);
|
field_width = skip_atoi(&fmt);
|
else if (*fmt == '*')
|
else if (*fmt == '*') {
|
{
|
|
fmt++;
|
fmt++;
|
field_width = va_arg(args, int);
|
field_width = va_arg(args, int);
|
if (field_width < 0)
|
if (field_width < 0) {
|
{
|
|
field_width = -field_width;
|
field_width = -field_width;
|
flags |= LEFT;
|
flags |= LEFT;
|
}
|
}
|
}
|
}
|
|
|
// Get the precision
|
// Get the precision
|
precision = -1;
|
precision = -1;
|
if (*fmt == '.')
|
if (*fmt == '.') {
|
{
|
|
++fmt;
|
++fmt;
|
if (is_digit(*fmt))
|
if (is_digit(*fmt))
|
precision = skip_atoi(&fmt);
|
precision = skip_atoi(&fmt);
|
else if (*fmt == '*')
|
else if (*fmt == '*') {
|
{
|
|
++fmt;
|
++fmt;
|
precision = va_arg(args, int);
|
precision = va_arg(args, int);
|
}
|
}
|
if (precision < 0) precision = 0;
|
if (precision < 0)
|
|
precision = 0;
|
}
|
}
|
|
|
// Get the conversion qualifier
|
// Get the conversion qualifier
|
qualifier = -1;
|
qualifier = -1;
|
if (*fmt == 'l' || *fmt == 'L')
|
if (*fmt == 'l' || *fmt == 'L') {
|
{
|
|
qualifier = *fmt;
|
qualifier = *fmt;
|
fmt++;
|
fmt++;
|
}
|
}
|
|
|
// Default base
|
// Default base
|
base = 10;
|
base = 10;
|
|
|
switch (*fmt)
|
switch (*fmt) {
|
{
|
|
case 'c':
|
case 'c':
|
if (!(flags & LEFT)) while (--field_width > 0) *str++ = ' ';
|
if (!(flags & LEFT))
|
|
while (--field_width > 0)
|
|
*str++ = ' ';
|
*str++ = (unsigned char) va_arg(args, int);
|
*str++ = (unsigned char) va_arg(args, int);
|
while (--field_width > 0) *str++ = ' ';
|
while (--field_width > 0)
|
|
*str++ = ' ';
|
continue;
|
continue;
|
|
|
case 's':
|
case 's':
|
s = va_arg(args, char *);
|
s = va_arg(args, char *);
|
if (!s) s = "<NULL>";
|
if (!s)
|
|
s = "<NULL>";
|
len = strnlen(s, precision);
|
len = strnlen(s, precision);
|
if (!(flags & LEFT)) while (len < field_width--) *str++ = ' ';
|
if (!(flags & LEFT))
|
for (i = 0; i < len; ++i) *str++ = *s++;
|
while (len < field_width--)
|
while (len < field_width--) *str++ = ' ';
|
*str++ = ' ';
|
|
for (i = 0; i < len; ++i)
|
|
*str++ = *s++;
|
|
while (len < field_width--)
|
|
*str++ = ' ';
|
continue;
|
continue;
|
|
|
case 'p':
|
case 'p':
|
if (field_width == -1)
|
if (field_width == -1) {
|
{
|
|
field_width = 2 * sizeof(void *);
|
field_width = 2 * sizeof(void *);
|
flags |= ZEROPAD;
|
flags |= ZEROPAD;
|
}
|
}
|
str = number(str, (unsigned long) va_arg(args, void *), 16, field_width, precision, flags);
|
str =
|
|
number(str, (unsigned long)va_arg(args, void *), 16,
|
|
field_width, precision, flags);
|
continue;
|
continue;
|
|
|
case 'A':
|
case 'A':
|
flags |= UPPERCASE;
|
flags |= UPPERCASE;
|
|
|
case 'a':
|
case 'a':
|
if (qualifier == 'l')
|
if (qualifier == 'l')
|
str = eaddr(str, va_arg(args, unsigned char *), field_width, precision, flags);
|
str =
|
else
|
eaddr(str, va_arg(args, unsigned char *),
|
str = iaddr(str, va_arg(args, unsigned char *), field_width, precision, flags);
|
field_width, precision, flags);
|
|
else
|
|
str =
|
|
iaddr(str, va_arg(args, unsigned char *),
|
|
field_width, precision, flags);
|
continue;
|
continue;
|
|
|
// Integer number formats - set up the flags and "break"
|
// Integer number formats - set up the flags and "break"
|
case 'o':
|
case 'o':
|
base = 8;
|
base = 8;
|
break;
|
break;
|
|
|
case 'X':
|
case 'X':
|
flags |= UPPERCASE;
|
flags |= UPPERCASE;
|
|
|
case 'x':
|
case 'x':
|
base = 16;
|
base = 16;
|
break;
|
break;
|
|
|
case 'd':
|
case 'd':
|
case 'i':
|
case 'i':
|
flags |= SIGN;
|
flags |= SIGN;
|
|
|
case 'u':
|
case 'u':
|
break;
|
break;
|
|
|
#ifdef HAS_FLOAT
|
#ifdef HAS_FLOAT
|
|
|
case 'f':
|
case 'f':
|
str = flt(str, va_arg(args, double), field_width, precision, *fmt, flags | SIGN);
|
str =
|
|
flt(str, va_arg(args, double), field_width,
|
|
precision, *fmt, flags | SIGN);
|
continue;
|
continue;
|
|
|
#endif
|
#endif
|
|
|
default:
|
default:
|
if (*fmt != '%') *str++ = '%';
|
if (*fmt != '%')
|
|
*str++ = '%';
|
if (*fmt)
|
if (*fmt)
|
*str++ = *fmt;
|
*str++ = *fmt;
|
else
|
else
|
--fmt;
|
--fmt;
|
continue;
|
continue;
|
}
|
}
|
|
|
if (qualifier == 'l')
|
if (qualifier == 'l')
|
num = va_arg(args, unsigned long);
|
num = va_arg(args, unsigned long);
|
else if (flags & SIGN)
|
else if (flags & SIGN)
|
num = va_arg(args, int);
|
num = va_arg(args, int);
|
else
|
else
|
num = va_arg(args, unsigned int);
|
num = va_arg(args, unsigned int);
|
|
|
str = number(str, num, base, field_width, precision, flags);
|
str = number(str, num, base, field_width, precision, flags);
|
}
|
}
|
|
|
*str = '\0';
|
*str = '\0';
|
return str - buf;
|
return str - buf;
|
}
|
}
|
|
|
void uart_send_char(char c) {
|
void uart_send_char(char c)
|
|
{
|
|
|
uart_putc(c);
|
uart_putc(c);
|
|
|
}
|
}
|
|
|
int ee_printf(const char *fmt, ...)
|
int ee_printf(const char *fmt, ...)
|
{
|
{
|
char buf[256],*p;
|
char buf[256], *p;
|
va_list args;
|
va_list args;
|
int n=0;
|
int n = 0;
|
|
|
va_start(args, fmt);
|
va_start(args, fmt);
|
ee_vsprintf(buf, fmt, args);
|
ee_vsprintf(buf, fmt, args);
|
va_end(args);
|
va_end(args);
|
p=buf;
|
p = buf;
|
while (*p) {
|
while (*p) {
|
uart_send_char(*p);
|
uart_send_char(*p);
|
n++;
|
n++;
|
p++;
|
p++;
|
}
|
}
|
|
|
return n;
|
return n;
|
}
|
}
|
|
|
|
|
No newline at end of file
|
No newline at end of file
|
