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
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
|
/****************************************************************************
NAME
rtcm3_json.c - deserialize RTCM3 JSON
DESCRIPTION
This module uses the generic JSON parser to get data from RTCM3
representations to libgps structures.
PERMISSIONS
This file is Copyright 2013 by the GPSD project
SPDX-License-Identifier: BSD-2-clause
***************************************************************************/
#include "../include/gpsd_config.h" /* must be before all includes */
#include <math.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include "../include/gpsd.h"
#ifdef SOCKET_EXPORT_ENABLE
#include "../include/gps_json.h"
int json_rtcm3_read(const char *buf,
char *path, size_t pathlen, struct rtcm3_t *rtcm3,
const char **endptr)
{
static char *stringptrs[NITEMS(rtcm3->rtcmtypes.data)];
static char stringstore[sizeof(rtcm3->rtcmtypes.data) * 2];
static int stringcount;
/* *INDENT-OFF* */
#define RTCM3_HEADER \
{"class", t_check, .dflt.check = "RTCM3"}, \
{"type", t_uinteger, .addr.uinteger = &rtcm3->type}, \
{"device", t_string, .addr.string = path, .len = pathlen}, \
{"length", t_uinteger, .addr.uinteger = &rtcm3->length},
int status = 0, satcount = 0;
#define RTCM3FIELD(type, fld) STRUCTOBJECT(struct rtcm3_ ## type ## _t, fld)
const struct json_attr_t rtcm1001_satellite[] = {
{"ident", t_uinteger, RTCM3FIELD(1001, ident)},
{"ind", t_uinteger, RTCM3FIELD(1001, L1.indicator)},
{"prange", t_real, RTCM3FIELD(1001, L1.pseudorange)},
{"delta", t_real, RTCM3FIELD(1001, L1.rangediff)},
{"lockt", t_uinteger, RTCM3FIELD(1001, L1.locktime)},
{NULL},
};
const struct json_attr_t rtcm1002_satellite[] = {
{"ident", t_uinteger, RTCM3FIELD(1002, ident)},
{"ind", t_uinteger, RTCM3FIELD(1002, L1.indicator)},
{"prange", t_real, RTCM3FIELD(1002, L1.pseudorange)},
{"delta", t_real, RTCM3FIELD(1002, L1.rangediff)},
{"lockt", t_uinteger, RTCM3FIELD(1002, L1.locktime)},
{"amb", t_uinteger, RTCM3FIELD(1002, L1.ambiguity)},
{"CNR", t_real, RTCM3FIELD(1002, L1.CNR)},
{NULL},
};
const struct json_attr_t rtcm1009_satellite[] = {
{"ident", t_uinteger, RTCM3FIELD(1009, ident)},
{"ind", t_uinteger, RTCM3FIELD(1009, L1.indicator)},
{"channel", t_uinteger, RTCM3FIELD(1009, L1.channel)},
{"prange", t_real, RTCM3FIELD(1009, L1.pseudorange)},
{"delta", t_real, RTCM3FIELD(1009, L1.rangediff)},
{"lockt", t_uinteger, RTCM3FIELD(1009, L1.locktime)},
{NULL},
};
const struct json_attr_t rtcm1010_satellite[] = {
{"ident", t_uinteger, RTCM3FIELD(1010, ident)},
{"ind", t_uinteger, RTCM3FIELD(1010, L1.indicator)},
{"channel", t_uinteger, RTCM3FIELD(1010, L1.channel)},
{"prange", t_real, RTCM3FIELD(1010, L1.pseudorange)},
{"delta", t_real, RTCM3FIELD(1010, L1.rangediff)},
{"lockt", t_uinteger, RTCM3FIELD(1010, L1.locktime)},
{"amb", t_uinteger, RTCM3FIELD(1010, L1.ambiguity)},
{"CNR", t_real, RTCM3FIELD(1010, L1.CNR)},
{NULL},
};
#undef RTCM3FIELD
#define R1001 &rtcm3->rtcmtypes.rtcm3_1001.header
const struct json_attr_t json_rtcm1001[] = {
RTCM3_HEADER
{"station_id", t_uinteger, .addr.uinteger = R1001.station_id},
{"tow", t_uinteger, .addr.uinteger = (unsigned int *)R1001.tow},
{"sync", t_boolean, .addr.boolean = R1001.sync},
{"smoothing", t_boolean, .addr.boolean = R1001.smoothing},
{"interval", t_uinteger, .addr.uinteger = R1001.interval},
{"satellites", t_array,
STRUCTARRAY(rtcm3->rtcmtypes.rtcm3_1001.rtk_data,
rtcm1001_satellite, &satcount)},
{NULL},
};
#undef R1001
#define R1002 &rtcm3->rtcmtypes.rtcm3_1002.header
const struct json_attr_t json_rtcm1002[] = {
RTCM3_HEADER
{"station_id", t_uinteger, .addr.uinteger = R1002.station_id},
{"tow", t_uinteger, .addr.uinteger = (unsigned int *)R1002.tow},
{"sync", t_boolean, .addr.boolean = R1002.sync},
{"smoothing", t_boolean, .addr.boolean = R1002.smoothing},
{"interval", t_uinteger, .addr.uinteger = R1002.interval},
{"satellites", t_array,
STRUCTARRAY(rtcm3->rtcmtypes.rtcm3_1002.rtk_data,
rtcm1002_satellite, &satcount)},
{NULL},
};
#undef R1002
#define R1007 rtcm3->rtcmtypes.rtcm3_1007
const struct json_attr_t json_rtcm1007[] = {
RTCM3_HEADER
{"station_id", t_uinteger, .addr.uinteger = &R1007.station_id},
{"desc", t_string, .addr.string = R1007.descriptor,
.len = sizeof(R1007.descriptor)},
{"setup_id", t_uinteger, .addr.uinteger = &R1007.setup_id},
{NULL},
};
#undef R1002
#define R1008 rtcm3->rtcmtypes.rtcm3_1008
const struct json_attr_t json_rtcm1008[] = {
RTCM3_HEADER
{"station_id", t_uinteger, .addr.uinteger = &R1008.station_id},
{"desc", t_string, .addr.string = R1008.descriptor,
.len = sizeof(R1008.descriptor)},
{"setup_id", t_uinteger, .addr.uinteger = &R1008.setup_id},
{"serial", t_string, .addr.string = R1008.serial,
.len = sizeof(R1008.serial)},
{NULL},
};
#undef R1008
#define R1009 &rtcm3->rtcmtypes.rtcm3_1009.header
const struct json_attr_t json_rtcm1009[] = {
RTCM3_HEADER
{"station_id", t_uinteger, .addr.uinteger = R1009.station_id},
{"tow", t_uinteger, .addr.uinteger = (unsigned int *)R1009.tow},
{"sync", t_boolean, .addr.boolean = R1009.sync},
{"smoothing", t_boolean, .addr.boolean = R1009.smoothing},
{"interval", t_uinteger, .addr.uinteger = R1009.interval},
{"satellites", t_array,
STRUCTARRAY(rtcm3->rtcmtypes.rtcm3_1009.rtk_data,
rtcm1009_satellite, &satcount)},
{NULL},
};
#undef R1010
#define R1010 &rtcm3->rtcmtypes.rtcm3_1010.header
const struct json_attr_t json_rtcm1010[] = {
RTCM3_HEADER
{"station_id", t_uinteger, .addr.uinteger = R1010.station_id},
{"tow", t_uinteger, .addr.uinteger = (unsigned int *)R1010.tow},
{"sync", t_boolean, .addr.boolean = R1010.sync},
{"smoothing", t_boolean, .addr.boolean = R1010.smoothing},
{"interval", t_uinteger, .addr.uinteger = R1010.interval},
{"satellites", t_array,
STRUCTARRAY(rtcm3->rtcmtypes.rtcm3_1010.rtk_data,
rtcm1010_satellite, &satcount)},
{NULL},
};
#undef R1010
#define R1014 &rtcm3->rtcmtypes.rtcm3_1014
const struct json_attr_t json_rtcm1014[] = {
RTCM3_HEADER
{"netid", t_uinteger, .addr.uinteger = R1014.network_id},
{"subnetid", t_uinteger, .addr.uinteger = R1014.subnetwork_id},
{"statcount", t_uinteger, .addr.uinteger = R1014.stationcount},
{"master", t_uinteger, .addr.uinteger = R1014.master_id},
{"aux", t_uinteger, .addr.uinteger = R1014.aux_id},
{"lat", t_real, .addr.real = R1014.d_lat},
{"lon", t_real, .addr.real = R1014.d_lon},
{"alt", t_real, .addr.real = R1014.d_alt},
{NULL},
};
#undef R1014
#define R1033 rtcm3->rtcmtypes.rtcm3_1033
const struct json_attr_t json_rtcm1033[] = {
RTCM3_HEADER
{"station_id", t_uinteger, .addr.uinteger = &R1033.station_id},
{"desc", t_string, .addr.string = R1033.descriptor,
.len = sizeof(R1033.descriptor)},
{"setup_id", t_uinteger, .addr.uinteger = &R1033.setup_id},
{"serial", t_string, .addr.string = R1033.serial,
.len = sizeof(R1033.serial)},
{"receiver", t_string, .addr.string = R1033.receiver,
.len = sizeof(R1033.receiver)},
{"firmware", t_string, .addr.string = R1033.firmware,
.len = sizeof(R1033.firmware)},
{NULL},
};
#undef R1033
#define R1230 rtcm3->rtcmtypes.rtcm3_1230
const struct json_attr_t json_rtcm1230[] = {
RTCM3_HEADER
{"station_id", t_uinteger, .addr.uinteger = &R1230.station_id},
{"bi", t_ubyte, .addr.ubyte = &R1230.bias_indicator},
{"sm", t_ubyte, .addr.ubyte = &R1230.signals_mask},
{"l1ca", t_integer, .addr.integer = &R1230.l1_ca_bias,
.dflt.integer = 0},
{"l1p", t_integer, .addr.integer = &R1230.l1_p_bias,
.dflt.integer = 0},
{"l2ca", t_integer, .addr.integer = &R1230.l2_ca_bias,
.dflt.integer = 0},
{"l2p", t_integer, .addr.integer = &R1230.l2_p_bias,
.dflt.integer = 0},
{NULL},
};
#undef R1033
const struct json_attr_t json_rtcm3_fallback[] = {
RTCM3_HEADER
{"data", t_array, .addr.array.element_type = t_string,
.addr.array.arr.strings.ptrs = stringptrs,
.addr.array.arr.strings.store = stringstore,
.addr.array.arr.strings.storelen = sizeof(stringstore),
.addr.array.count = &stringcount,
.addr.array.maxlen = NITEMS(stringptrs)},
{NULL},
};
#undef RTCM3_HEADER
/* *INDENT-ON* */
memset(rtcm3, '\0', sizeof(struct rtcm3_t));
if (strstr(buf, "\"type\":1001,") != NULL) {
status = json_read_object(buf, json_rtcm1001, endptr);
if (status == 0)
rtcm3->rtcmtypes.rtcm3_1001.header.satcount =
(unsigned short)satcount;
} else if (strstr(buf, "\"type\":1002,") != NULL) {
status = json_read_object(buf, json_rtcm1002, endptr);
if (status == 0)
rtcm3->rtcmtypes.rtcm3_1002.header.satcount =
(unsigned short)satcount;
} else if (strstr(buf, "\"type\":1007,") != NULL) {
status = json_read_object(buf, json_rtcm1007, endptr);
} else if (strstr(buf, "\"type\":1008,") != NULL) {
status = json_read_object(buf, json_rtcm1008, endptr);
} else if (strstr(buf, "\"type\":1009,") != NULL) {
status = json_read_object(buf, json_rtcm1009, endptr);
} else if (strstr(buf, "\"type\":1010,") != NULL) {
status = json_read_object(buf, json_rtcm1010, endptr);
} else if (strstr(buf, "\"type\":1014,") != NULL) {
status = json_read_object(buf, json_rtcm1014, endptr);
} else if (strstr(buf, "\"type\":1033,") != NULL) {
status = json_read_object(buf, json_rtcm1033, endptr);
} else if (strstr(buf, "\"type\":1230,") != NULL) {
status = json_read_object(buf, json_rtcm1230, endptr);
} else {
int n;
status = json_read_object(buf, json_rtcm3_fallback, endptr);
for (n = 0; n < NITEMS(rtcm3->rtcmtypes.data); n++) {
if (n >= stringcount) {
rtcm3->rtcmtypes.data[n] = '\0';
} else {
unsigned int u;
int fldcount = sscanf(stringptrs[n], "0x%02x\n", &u);
if (fldcount != 1)
return JSON_ERR_MISC;
else
rtcm3->rtcmtypes.data[n] = (char)u;
}
}
}
return status;
}
#endif /* SOCKET_EXPORT_ENABLE */
/* rtcm3_json.c ends here */
// vim: set expandtab shiftwidth=4
|
