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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
/* Copyright 2012 Jun Wako <wakojun@gmail.com> */
/* Very basic print functions, intended to be used with usb_debug_only.c
* http://www.pjrc.com/teensy/
* Copyright (c) 2008 PJRC.COM, LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <avr/io.h>
#include <avr/pgmspace.h>
#include "print.h"
#ifndef NO_PRINT
#define sendchar(c) do { if (print_sendchar_func) (print_sendchar_func)(c); } while (0)
static int8_t (*print_sendchar_func)(uint8_t) = 0;
void print_set_sendchar(int8_t (*sendchar_func)(uint8_t))
{
print_sendchar_func = sendchar_func;
}
/* print string stored in data memory(SRAM)
* print_P("hello world");
* This consumes precious SRAM memory space for string.
*/
void print_S(const char *s)
{
uint8_t c;
while (1) {
c = *s++;
if (!c) break;
if (c == '\n') sendchar('\r');
sendchar(c);
}
}
/* print string stored in program memory(FLASH)
* print_P(PSTR("hello world");
* This consumes relatively abundant FLASH memory area not SRAM.
*/
void print_P(const char *s)
{
uint8_t c;
while (1) {
c = pgm_read_byte(s++);
if (!c) break;
if (c == '\n') sendchar('\r');
sendchar(c);
}
}
void print_CRLF(void)
{
sendchar('\r'); sendchar('\n');
}
#define SIGNED 0x80
#define BIN 2
#define OCT 8
#define DEC 10
#define HEX 16
static inline
char itoc(uint8_t i)
{
return (i < 10 ? '0' + i : 'A' + i - 10);
}
static inline
void print_int(uint16_t data, uint8_t base)
{
char buf[7] = {'\0'};
char *p = &buf[6];
if ((base & SIGNED) && (data & 0x8000)) {
data = -data;
buf[0] = '-';
}
base &= ~SIGNED;
uint16_t n;
do {
n = data;
data /= base;
*(--p) = itoc(n - data*base);
} while (data);
if (buf[0]) *(--p) = buf[0];
print_S(p);
}
void print_dec(uint16_t data)
{
print_int(data, DEC);
}
void print_decs(int16_t data)
{
print_int(data, DEC|SIGNED);
}
void print_hex4(uint8_t data)
{
sendchar(data + ((data < 10) ? '0' : 'A' - 10));
}
void print_hex8(uint8_t data)
{
print_hex4(data>>4);
print_hex4(data&0x0F);
}
void print_hex16(uint16_t data)
{
print_hex8(data>>8);
print_hex8(data);
}
void print_hex32(uint32_t data)
{
print_hex16(data>>16);
print_hex16(data);
}
void print_bin4(uint8_t data)
{
for (int i = 4; i >= 0; i--) {
sendchar((data & (1<<i)) ? '1' : '0');
}
}
void print_bin8(uint8_t data)
{
for (int i = 7; i >= 0; i--) {
sendchar((data & (1<<i)) ? '1' : '0');
}
}
void print_bin16(uint16_t data)
{
print_bin8(data>>8);
print_bin8(data);
}
void print_bin32(uint32_t data)
{
print_bin8(data>>24);
print_bin8(data>>16);
print_bin8(data>>8);
print_bin8(data);
}
void print_bin_reverse8(uint8_t data)
{
for (int i = 0; i < 8; i++) {
sendchar((data & (1<<i)) ? '1' : '0');
}
}
void print_bin_reverse16(uint16_t data)
{
print_bin_reverse8(data);
print_bin_reverse8(data>>8);
}
void print_bin_reverse32(uint32_t data)
{
print_bin_reverse8(data);
print_bin_reverse8(data>>8);
print_bin_reverse8(data>>16);
print_bin_reverse8(data>>24);
}
#endif
|
