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Diffstat (limited to 'tmk_core/common/chibios/printf.c')
-rw-r--r--tmk_core/common/chibios/printf.c233
1 files changed, 0 insertions, 233 deletions
diff --git a/tmk_core/common/chibios/printf.c b/tmk_core/common/chibios/printf.c
deleted file mode 100644
index a99752bb3..000000000
--- a/tmk_core/common/chibios/printf.c
+++ /dev/null
@@ -1,233 +0,0 @@
1/*
2 * found at: http://www.sparetimelabs.com/tinyprintf/tinyprintf.php
3 * and: http://www.sparetimelabs.com/printfrevisited/printfrevisited.php
4 */
5
6/*
7File: printf.c
8
9Copyright (C) 2004 Kustaa Nyholm
10
11This library is free software; you can redistribute it and/or
12modify it under the terms of the GNU Lesser General Public
13License as published by the Free Software Foundation; either
14version 2.1 of the License, or (at your option) any later version.
15
16This library is distributed in the hope that it will be useful,
17but WITHOUT ANY WARRANTY; without even the implied warranty of
18MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19Lesser General Public License for more details.
20
21You should have received a copy of the GNU Lesser General Public
22License along with this library; if not, write to the Free Software
23Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24
25*/
26
27#include "printf.h"
28
29typedef void (*putcf)(void*, char);
30static putcf stdout_putf;
31static void* stdout_putp;
32
33// this adds cca 400 bytes
34#define PRINTF_LONG_SUPPORT
35
36#ifdef PRINTF_LONG_SUPPORT
37
38static void uli2a(unsigned long int num, unsigned int base, int uc, char* bf) {
39 int n = 0;
40 unsigned int d = 1;
41 while (num / d >= base) d *= base;
42 while (d != 0) {
43 int dgt = num / d;
44 num %= d;
45 d /= base;
46 if (n || dgt > 0 || d == 0) {
47 *bf++ = dgt + (dgt < 10 ? '0' : (uc ? 'A' : 'a') - 10);
48 ++n;
49 }
50 }
51 *bf = 0;
52}
53
54static void li2a(long num, char* bf) {
55 if (num < 0) {
56 num = -num;
57 *bf++ = '-';
58 }
59 uli2a(num, 10, 0, bf);
60}
61
62#endif
63
64static void ui2a(unsigned int num, unsigned int base, int uc, char* bf) {
65 int n = 0;
66 unsigned int d = 1;
67 while (num / d >= base) d *= base;
68 while (d != 0) {
69 int dgt = num / d;
70 num %= d;
71 d /= base;
72 if (n || dgt > 0 || d == 0) {
73 *bf++ = dgt + (dgt < 10 ? '0' : (uc ? 'A' : 'a') - 10);
74 ++n;
75 }
76 }
77 *bf = 0;
78}
79
80static void i2a(int num, char* bf) {
81 if (num < 0) {
82 num = -num;
83 *bf++ = '-';
84 }
85 ui2a(num, 10, 0, bf);
86}
87
88static int a2d(char ch) {
89 if (ch >= '0' && ch <= '9')
90 return ch - '0';
91 else if (ch >= 'a' && ch <= 'f')
92 return ch - 'a' + 10;
93 else if (ch >= 'A' && ch <= 'F')
94 return ch - 'A' + 10;
95 else
96 return -1;
97}
98
99static char a2i(char ch, const char** src, int base, int* nump) {
100 const char* p = *src;
101 int num = 0;
102 int digit;
103 while ((digit = a2d(ch)) >= 0) {
104 if (digit > base) break;
105 num = num * base + digit;
106 ch = *p++;
107 }
108 *src = p;
109 *nump = num;
110 return ch;
111}
112
113static void putchw(void* putp, putcf putf, int n, char z, char* bf) {
114 char fc = z ? '0' : ' ';
115 char ch;
116 char* p = bf;
117 while (*p++ && n > 0) n--;
118 while (n-- > 0) putf(putp, fc);
119 while ((ch = *bf++)) putf(putp, ch);
120}
121
122void tfp_format(void* putp, putcf putf, const char* fmt, va_list va) {
123 // This used to handle max of 12, but binary support jumps this to at least 32
124 char bf[36];
125
126 char ch;
127
128 while ((ch = *(fmt++))) {
129 if (ch != '%')
130 putf(putp, ch);
131 else {
132 char lz = 0;
133#ifdef PRINTF_LONG_SUPPORT
134 char lng = 0;
135#endif
136 int w = 0;
137 ch = *(fmt++);
138 if (ch == '0') {
139 ch = *(fmt++);
140 lz = 1;
141 }
142 if (ch >= '0' && ch <= '9') {
143 ch = a2i(ch, &fmt, 10, &w);
144 }
145#ifdef PRINTF_LONG_SUPPORT
146 if (ch == 'l') {
147 ch = *(fmt++);
148 lng = 1;
149 }
150#endif
151 switch (ch) {
152 case 0:
153 goto abort;
154 case 'u': {
155#ifdef PRINTF_LONG_SUPPORT
156 if (lng)
157 uli2a(va_arg(va, unsigned long int), 10, 0, bf);
158 else
159#endif
160 ui2a(va_arg(va, unsigned int), 10, 0, bf);
161 putchw(putp, putf, w, lz, bf);
162 break;
163 }
164 case 'd': {
165#ifdef PRINTF_LONG_SUPPORT
166 if (lng)
167 li2a(va_arg(va, unsigned long int), bf);
168 else
169#endif
170 i2a(va_arg(va, int), bf);
171 putchw(putp, putf, w, lz, bf);
172 break;
173 }
174 case 'x':
175 case 'X':
176#ifdef PRINTF_LONG_SUPPORT
177 if (lng)
178 uli2a(va_arg(va, unsigned long int), 16, (ch == 'X'), bf);
179 else
180#endif
181 ui2a(va_arg(va, unsigned int), 16, (ch == 'X'), bf);
182 putchw(putp, putf, w, lz, bf);
183 break;
184 case 'c':
185 putf(putp, (char)(va_arg(va, int)));
186 break;
187 case 's':
188 putchw(putp, putf, w, 0, va_arg(va, char*));
189 break;
190 case 'b':
191#ifdef PRINTF_LONG_SUPPORT
192 if (lng)
193 uli2a(va_arg(va, unsigned long int), 2, 0, bf);
194 else
195#endif
196 ui2a(va_arg(va, unsigned int), 2, 0, bf);
197 putchw(putp, putf, w, lz, bf);
198 break;
199 case '%':
200 putf(putp, ch);
201 default:
202 break;
203 }
204 }
205 }
206abort:;
207}
208
209void init_printf(void* putp, void (*putf)(void*, char)) {
210 stdout_putf = putf;
211 stdout_putp = putp;
212}
213
214int tfp_printf(const char* fmt, ...) {
215 va_list va;
216 va_start(va, fmt);
217 tfp_format(stdout_putp, stdout_putf, fmt, va);
218 va_end(va);
219
220 return 1;
221}
222
223static void putcp(void* p, char c) { *(*((char**)p))++ = c; }
224
225int tfp_sprintf(char* s, const char* fmt, ...) {
226 va_list va;
227 va_start(va, fmt);
228 tfp_format(&s, putcp, fmt, va);
229 putcp(&s, 0);
230 va_end(va);
231
232 return 1;
233}
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