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
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
|
/**************************************************************************
*
* $Id: myutil.h 1.20 2017/03/22 15:09:03 andre.hartmann REL_M $
*
* Copyright (c) Meinberg Funkuhren, Bad Pyrmont, Germany
*
* Description:
* Definitions and prototypes for myutil.c.
*
* -----------------------------------------------------------------------
* $Log: myutil.h $
* Revision 1.20 2017/03/22 15:09:03 andre.hartmann
* added macros for lin. interpolation
* Revision 1.19 2017/01/27 12:24:08Z martin
* Moved STRINGIFY() macro to words.h.
* Revision 1.18 2014/10/20 12:30:38 martin
* Moved macro _isdigit() to words.h.
* Revision 1.17 2014/07/15 06:19:48Z andre
* added function _sgn( _x ), returns sign of _x
* Revision 1.16 2013/12/16 13:32:57Z martin
* Don't redefine MIN and MAX.
* Revision 1.15 2012/10/02 18:51:52 martin
* Updated handling of pragma pack().
* Revision 1.14 2011/02/16 14:02:35 martin
* Added STRINGIFY() macro.
* Revision 1.13 2010/12/13 15:59:39 martin
* Moved definition of macro _frac() here.
* Revision 1.12 2008/01/30 10:28:17Z martin
* Moved some macro definitions to words.h.
* Revision 1.11 2004/11/09 14:20:24Z martin
* Redefined some data types using C99 fixed-size definitions.
* Removed duplicate definition of macro _mask().
* Revision 1.10 2004/04/14 08:57:59Z martin
* Pack structures 1 byte aligned.
* Revision 1.9 2003/05/20 10:22:25Z MARTIN
* Corrected endianess of union UL for CC51.
* Revision 1.8 2002/09/03 13:40:43 MARTIN
* New macros _memfill() and _memclr().
* Revision 1.7 2002/03/14 13:45:56 MARTIN
* Changed type CSUM from short to ushort.
* Revision 1.6 2002/03/05 14:14:21 MARTIN
* New macro _isdigit() to avoid inclusion of ctype.h.
* Revision 1.5 2002/01/25 10:54:26 MARTIN
* Added some useful macros.
* Revision 1.4 2001/03/30 09:07:52 Andre
* union UL byte order set to Big Endian if SH2 is used
* Revision 1.3 2000/08/18 07:22:07Z MARTIN
* Modified the _csum() macro to support far data objects.
* Revision 1.2 2000/07/21 13:50:49 MARTIN
* Added some definitions and macros.
*
**************************************************************************/
#ifndef _MYUTIL_H
#define _MYUTIL_H
/* Other headers to be included */
#include <words.h>
#include <use_pack.h>
// _CS_FAR should be define far if the csum of far data
// structures must be computed
#if !defined( _CSFAR )
#define _CSFAR
#endif
#ifdef _MYUTIL
#define _ext
#else
#define _ext extern
#endif
/* Start of header body */
#if defined( _USE_PACK )
#pragma pack( 1 ) // set byte alignment
#define _USING_BYTE_ALIGNMENT
#endif
#if MBG_TGT_HAS_64BIT_TYPES
#define _frac( _x ) ( ( (_x) == 0.0 ) ? 0.0 : ( (_x) - (double) ( (int64_t) (_x) ) ) )
#else
#define _frac( _x ) ( ( (_x) == 0.0 ) ? 0.0 : ( (_x) - (double) ( (long) (_x) ) ) )
#endif
#define _eos( _s ) ( &(_s)[strlen( _s )] )
#if !defined( MIN )
#define MIN( _x, _y ) ( ( (_x) < (_y) ) ? (_x) : (_y) )
#endif
#if !defined( MAX )
#define MAX( _x, _y ) ( ( (_x) > (_y) ) ? (_x) : (_y) )
#endif
#define SWAP( _x, _y ) { temp = (_x); (_x) = (_y); (_y) = temp; }
#define SQR( _x ) ( (_x) * (_x) )
#define DP (double *)
#define bcd_from_bin( _x ) ( ( ( (_x) / 10 ) << 4 ) | ( (_x) % 10 ) )
#define bin_from_bcd( _x ) ( ( ( (_x) >> 4 ) * 10 ) + ( (_x) & 0x0F ) )
typedef union
{
uint32_t ul;
struct
{
#if defined( _CC51 ) || defined( _SH2 )
uint16_t hi; // big endian
uint16_t lo;
#else
uint16_t lo; // little endian
uint16_t hi;
#endif
} us;
} UL;
#ifndef _CSUM_DEFINED
typedef uint16_t CSUM;
#define _CSUM_DEFINED
#endif
// compute the csum of a structure
#define _csum( _p ) checksum( (void _CSFAR *)(_p), sizeof( *(_p) ) )
// set a structure's csum
#define _set_csum( _p ) (_p)->csum = _csum( (_p) )
// compare a structure's computed csum with its csum field
#define _valid_csum( _p ) ( (_p)->csum == _csum( (_p) ) )
// check if a value is in range
#define _inrange( _val, _min, _max ) \
( ( (_val) >= (_min) ) && ( (_val) <= (_max) ) )
// Return a bit mask with (_n) LSBs set to 1
#define _mask( _n ) \
( ( 1UL << (_n) ) - 1 )
// Return a bit mask with the (_i)th LSB set to 1
#define _idx_bit( _i ) \
( 1UL << (_i) )
// Check if the (_i)th bit is set in a mask (_msk)
#define _is_supported( _i, _msk ) \
( ( (_msk) & _idx_bit( _i ) ) != 0 )
// return the sign of a number
#define _sgn( _x ) ( ( ( _x ) < 0 ) ? -1 : 1 )
// macro for linear interpolation y = _m * x + _b between two points ( X1; Y1 ), ( X2; Y2 )
#define _m( _Y1, _X1, _Y2, _X2 ) ( ( _Y2 -_Y1 ) / ( _X2 -_X1 ) )
#define _b( _Y1, _X1, _Y2, _X2 ) ( ( ( _Y1 * _X2 ) - ( _Y2 * _X1 ) ) / ( _X2 -_X1 ) )
/*
* The macro below copies a string, taking care not to
* write past the end of the destination buffer, and
* making sure the string is terminated by 0.
*/
#define _strncpy_0( _dst, _src ) \
{ \
int n = sizeof( _dst ) - 1; \
\
strncpy( _dst, _src, n ); \
(_dst)[n] = 0; \
}
/*
* The macros below set a memory range used by a variable
* to a specified value, avoiding the need to type the name
* twice for base address and size.
*/
#define _memfill( _p, _v ) \
memset( _p, _v, sizeof( *(_p) ) )
#define _memclr( _p ) \
_memfill( _p, 0 )
// generate a DOS idle interrupt to release CPU time
#define _dos_idle() geninterrupt( 0x28 )
#ifdef __cplusplus
extern "C" {
#endif
/* ----- function prototypes begin ----- */
/* This section was generated automatically */
/* by MAKEHDR, do not remove the comments. */
void spaces_to_zeros( char *s ) ;
CSUM checksum( const void _CSFAR *vp, int n ) ;
/* ----- function prototypes end ----- */
#ifdef __cplusplus
}
#endif
#if defined( _USING_BYTE_ALIGNMENT )
#pragma pack() // set default alignment
#undef _USING_BYTE_ALIGNMENT
#endif
/* End of header body */
#undef _ext
#endif /* _MYUTIL_H */
|
