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
|
/* Test of scanf(): 'i' conversion directive.
$Id: sscanf-i.c,v 1.1.2.3 2008/03/20 21:42:34 joerg_wunsch Exp $ */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "progmem.h"
#ifdef __AVR__
# define ASSERT(expr) \
do { \
if (!(expr)) exit(__LINE__); \
} while (0)
# define EXIT(v) exit (v)
# if defined(__AVR_ATmega128__)
/* ATmega128 has enough RAM for sprintf(), print to 0x2000 in XRAM. */
# define PRINTF(f...) sprintf((char *)0x2000, f)
# else
/* small AVR */
# define PRINTF(f...)
# endif
#else
# include <assert.h>
# define ASSERT(expr) assert (expr)
# define EXIT(v) exit ((v) < 256 ? (v) : 255)
# define PRINTF(f...) printf (f)
# define sscanf_P sscanf
# define memcmp_P memcmp
#endif
/* Next variables are useful to debug the AVR. */
int vrslt = 1;
struct {
unsigned int i[8];
} v = { {1} };
void Check (int line, int expval, int rslt)
{
vrslt = rslt;
if (rslt != expval) {
PRINTF ("\nLine %d: expect= %d, rslt= %d\n", line, expval, rslt);
EXIT (line);
}
}
/* The sscanf() is called 4 times: SRAM and FLASH format, 2 values
to fill before run. */
#define CHECK(expval, ass_expr, str, fmt, ...) \
do { \
PROGMEM static char fmt_p[] = fmt; \
char str_s[220]; \
char fmt_s[40]; \
char FILL; \
int i; \
int (* volatile vp)(const char *, const char *, ...); \
\
ASSERT (sizeof(str_s) >= sizeof(str)); \
ASSERT (sizeof(fmt_s) >= sizeof(fmt_p)); \
strcpy_P (str_s, PSTR(str)); \
strcpy_P (fmt_s, fmt_p); \
\
for (FILL = 0; FILL < 4; FILL++) { \
memset (&v, FILL, sizeof(v)); \
vp = (FILL & 1) ? sscanf_P : sscanf; \
i = vp (str_s, (FILL & 1) ? fmt_p : fmt_s, ##__VA_ARGS__); \
Check (__LINE__, expval, i); \
ASSERT (ass_expr); \
} \
} while (0)
#define PVEC(args...) ({ static int __x[] PROGMEM = {args}; __x; })
int main ()
{
/* Simplest. */
CHECK (1, (v.i[0] == 0), "0", "%i", v.i);
CHECK (1, (v.i[0] == 0), "+0", "%i", v.i);
CHECK (1, (v.i[0] == 0), "-0", "%i", v.i);
CHECK (1, (v.i[0] == 1), "1", "%i", v.i);
/* Decimal. */
CHECK (
5,
!memcmp_P (v.i, PVEC(1234, 5678, -90, 0, 1234), 5 * sizeof(int)),
"1234 5678 -90 0A 1234f",
"%i %i %i %i%*s %i",
v.i, v.i + 1, v.i + 2, v.i + 3, v.i + 4);
/* Octal. */
CHECK (
4,
!memcmp_P (v.i, PVEC(01234, 06700, 0, 01234), 4 * sizeof(int)),
"01234 06700 08 012349",
"%i %i %i%*s %i",
v.i, v.i + 1, v.i + 2, v.i + 3);
/* Hexidecimal. */
CHECK (
5,
!memcmp_P (v.i, PVEC(0x1234,0x5678,0x9ABC,0xDEF0,0), 5 * sizeof(int)),
"0x1234 0X5678 0x9ABc 0XDEF0 0x",
"%i %i %i %i %i",
v.i, v.i + 1, v.i + 2, v.i + 3, v.i + 4);
return 0;
}
|
