blob: df6e7d81af36094892becd911c64ba0ccae55940 (
plain) (
blame)
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
|
#include <stdint.h>
#include "panic.h"
#include <stdbool.h>
void memcpy(void *from, void *to, uint32_t n) {
panic("Not implemented (memcpy).");
}
void u32_dec(uint32_t n, uint8_t *b) {
if (!n) {
*(uint16_t *)b = '0';
return;
}
bool zero = false;
for (uint32_t m = 1000000000; m; m /= 10) {
uint8_t d = (n / m) % 10;
if (zero)
*(b++) = d + '0';
else if (d) {
zero = true;
*(b++) = d + '0';
}
}
*b = 0;
}
void u16_dec(uint16_t n, uint8_t *b) {
if (!n) {
*(uint16_t *)b = '0';
return;
}
bool zero = false;
for (uint32_t m = 10000; m; m /= 10) {
uint8_t d = (n / m) % 10;
if (zero)
*(b++) = d + '0';
else if (d) {
zero = true;
*(b++) = d + '0';
}
}
*b = 0;
}
void u8_dec(uint8_t n, uint8_t *b) {
if (!n) {
*(uint16_t *)b = '0';
return;
}
bool zero = false;
for (uint32_t m = 100; m; m /= 10) {
uint8_t d = (n / m) % 10;
if (zero)
*(b++) = d + '0';
else if (d) {
zero = true;
*(b++) = d + '0';
}
}
*b = 0;
}
void u32_hex(uint32_t n, uint8_t *b) {
uint8_t m = 28;
while (1) {
uint8_t d = (n >> m) & 0xf;
*(b++) = d >= 10 ? 'a' + d - 10 : '0' + d;
if (!m) {
*b = 0;
return;
}
m -= 4;
}
}
void u16_hex(uint16_t n, uint8_t *b) {
uint8_t m = 12;
while (1) {
uint8_t d = (n >> m) & 0xf;
*(b++) = d >= 10 ? 'a' + d - 10 : '0' + d;
if (!m) {
*b = 0;
return;
}
m -= 4;
}
}
void u8_hex(uint8_t n, uint8_t *b) {
uint8_t m = 4;
while (1) {
uint8_t d = (n >> m) & 0xf;
*(b++) = d >= 10 ? 'a' + d - 10 : '0' + d;
if (!m) {
*b = 0;
return;
}
m -= 4;
}
}
|