8e46decac4304f70a876fe018ce346faf129e312
[tmk_keyboard.git] / print.c
1 /* Very basic print functions, intended to be used with usb_debug_only.c
2 * http://www.pjrc.com/teensy/
3 * Copyright (c) 2008 PJRC.COM, LLC
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to deal
7 * in the Software without restriction, including without limitation the rights
8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 * copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21 * THE SOFTWARE.
22 */
23
24 // Version 1.0: Initial Release
25
26 #include <avr/io.h>
27 #include <avr/pgmspace.h>
28
29 #include "print.h"
30
31 void print_P(const char *s)
32 {
33 char c;
34
35 while (1) {
36 c = pgm_read_byte(s++);
37 if (!c) break;
38 if (c == '\n') usb_debug_putchar('\r');
39 usb_debug_putchar(c);
40 }
41 }
42
43 void phex1(unsigned char c)
44 {
45 usb_debug_putchar(c + ((c < 10) ? '0' : 'A' - 10));
46 }
47
48 void phex(unsigned char c)
49 {
50 phex1(c >> 4);
51 phex1(c & 15);
52 }
53
54 void phex16(unsigned int i)
55 {
56 phex(i >> 8);
57 phex(i);
58 }
59
60
61 void pbin(unsigned char c)
62 {
63 for (int i = 7; i >= 0; i--) {
64 usb_debug_putchar((c & (1<<i)) ? '1' : '0');
65 }
66 }
67
68 void pbin_reverse(unsigned char c)
69 {
70 for (int i = 0; i < 8; i++) {
71 usb_debug_putchar((c & (1<<i)) ? '1' : '0');
72 }
73 }
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