1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/*
* Copyright (C) 2004,2008 Kustaa Nyholm
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "carl9170.h"
#include "printf.h"
#ifdef CONFIG_CARL9170FW_PRINTF
static char *bf;
static char buf[12];
static unsigned int num;
static char uc;
static char zs;
static void out(const char c)
{
*bf++ = c;
}
static void outDgt(const char dgt)
{
out(dgt + (dgt < 10 ? '0' : (uc ? 'A' : 'a') - 10));
zs = 1;
}
static void divOut(const unsigned int d)
{
unsigned char dgt = 0;
while (num >= d) {
num -= d;
dgt++;
}
if (zs || dgt > 0)
outDgt(dgt);
}
void tfp_printf(const char *fmt, ...)
{
va_list va;
char *p;
unsigned int i;
char ch;
va_start(va, fmt);
while ((ch = *(fmt++))) {
if (ch != '%') {
putcharacter(ch);
} else {
char lz = 0;
char w = 0;
ch = *(fmt++);
if (ch == '0') {
ch = *(fmt++);
lz = 1;
}
if (ch >= '0' && ch <= '9') {
w = 0;
while (ch >= '0' && ch <= '9') {
w = (((w << 2) + w) << 1) + ch - '0';
ch = *fmt++;
}
}
bf = buf;
p = bf;
zs = 0;
switch (ch) {
case 0:
goto abort;
case 'u':
case 'd':
num = va_arg(va, unsigned int);
if (ch == 'd' && (int) num < 0) {
num = -(int)num;
out('-');
}
for (i = 100000000; i != 1; i /= 10)
divOut(i);
outDgt(num);
break;
case 'p':
case 'x':
case 'X':
uc = ch == 'X';
num = va_arg(va, unsigned int);
for (i = 0x10000000; i != 0x1; i >>= 4)
divOut(i);
outDgt(num);
break;
case 'c':
out((char)(va_arg(va, int)));
break;
case 's':
p = va_arg(va, char*);
break;
case '%':
out('%');
break;
default:
break;
}
*bf = 0;
bf = p;
while (*bf++ && w > 0)
w--;
while (w-- > 0)
putcharacter(lz ? '0' : ' ');
while ((ch = *p++))
putcharacter(ch);
}
}
abort:
putcharacter('\0');
va_end(va);
}
#else
void min_printf(const char *fmt, ...)
{
char ch;
do {
ch = *(fmt++);
putcharacter(ch);
} while (ch);
}
#endif /* CONFIG_CARL9170FW_PRINTF */
|
