]>
Commit | Line | Data |
---|---|---|
43e5747a | 1 | /* |
630293b4 | 2 | * This file is part of the sigrok-cli project. |
43e5747a UH |
3 | * |
4 | * Copyright (C) 2011 Bert Vermeulen <bert@biot.com> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20fb52e0 | 20 | #include "sigrok-cli.h" |
43e5747a UH |
21 | #include <stdio.h> |
22 | #include <stdlib.h> | |
23 | #include <stdint.h> | |
24 | #include <string.h> | |
25 | #include <glib.h> | |
43e5747a | 26 | |
029d73fe | 27 | struct sr_channel *find_channel(GSList *channellist, const char *channelname) |
43e5747a | 28 | { |
029d73fe | 29 | struct sr_channel *ch; |
497f5362 | 30 | GSList *l; |
43e5747a | 31 | |
029d73fe UH |
32 | ch = NULL; |
33 | for (l = channellist; l; l = l->next) { | |
34 | ch = l->data; | |
35 | if (!strcmp(ch->name, channelname)) | |
497f5362 | 36 | break; |
c2c4a0de | 37 | } |
029d73fe | 38 | ch = l ? l->data : NULL; |
497f5362 | 39 | |
029d73fe | 40 | return ch; |
497f5362 BV |
41 | } |
42 | ||
029d73fe | 43 | GSList *parse_channelstring(struct sr_dev_inst *sdi, const char *channelstring) |
497f5362 | 44 | { |
029d73fe UH |
45 | struct sr_channel *ch; |
46 | GSList *channellist; | |
497f5362 BV |
47 | int ret, n, b, e, i; |
48 | char **tokens, **range, **names, *eptr, str[8]; | |
43e5747a | 49 | |
029d73fe UH |
50 | if (!channelstring || !channelstring[0]) |
51 | /* Use all channels by default. */ | |
52 | return g_slist_copy(sdi->channels); | |
497f5362 BV |
53 | |
54 | ret = SR_OK; | |
55 | range = NULL; | |
66149c20 | 56 | names = NULL; |
029d73fe UH |
57 | channellist = NULL; |
58 | tokens = g_strsplit(channelstring, ",", 0); | |
43e5747a | 59 | for (i = 0; tokens[i]; i++) { |
497f5362 | 60 | if (tokens[i][0] == '\0') { |
029d73fe | 61 | g_critical("Invalid empty channel."); |
497f5362 BV |
62 | ret = SR_ERR; |
63 | break; | |
64 | } | |
43e5747a | 65 | if (strchr(tokens[i], '-')) { |
029d73fe UH |
66 | /* A range of channels in the form a-b. This will only work |
67 | * if the channels are named as numbers -- so every channel | |
68 | * in the range must exist as a channel name string in the | |
497f5362 | 69 | * device. */ |
43e5747a UH |
70 | range = g_strsplit(tokens[i], "-", 2); |
71 | if (!range[0] || !range[1] || range[2]) { | |
72 | /* Need exactly two arguments. */ | |
029d73fe | 73 | g_critical("Invalid channel syntax '%s'.", tokens[i]); |
497f5362 | 74 | ret = SR_ERR; |
8ec20386 | 75 | goto range_fail; |
43e5747a UH |
76 | } |
77 | ||
497f5362 BV |
78 | b = strtol(range[0], &eptr, 10); |
79 | if (eptr == range[0] || *eptr != '\0') { | |
029d73fe | 80 | g_critical("Invalid channel '%s'.", range[0]); |
497f5362 | 81 | ret = SR_ERR; |
8ec20386 | 82 | goto range_fail; |
497f5362 | 83 | } |
43e5747a | 84 | e = strtol(range[1], NULL, 10); |
497f5362 | 85 | if (eptr == range[1] || *eptr != '\0') { |
029d73fe | 86 | g_critical("Invalid channel '%s'.", range[1]); |
497f5362 | 87 | ret = SR_ERR; |
8ec20386 | 88 | goto range_fail; |
497f5362 BV |
89 | } |
90 | if (b < 0 || b >= e) { | |
029d73fe | 91 | g_critical("Invalid channel range '%s'.", tokens[i]); |
497f5362 | 92 | ret = SR_ERR; |
8ec20386 | 93 | goto range_fail; |
43e5747a UH |
94 | } |
95 | ||
96 | while (b <= e) { | |
497f5362 BV |
97 | n = snprintf(str, 8, "%d", b); |
98 | if (n < 0 || n > 8) { | |
029d73fe | 99 | g_critical("Invalid channel '%d'.", b); |
497f5362 BV |
100 | ret = SR_ERR; |
101 | break; | |
102 | } | |
029d73fe UH |
103 | ch = find_channel(sdi->channels, str); |
104 | if (!ch) { | |
105 | g_critical("unknown channel '%d'.", b); | |
497f5362 BV |
106 | ret = SR_ERR; |
107 | break; | |
108 | } | |
029d73fe | 109 | channellist = g_slist_append(channellist, ch); |
43e5747a UH |
110 | b++; |
111 | } | |
8ec20386 DJ |
112 | range_fail: |
113 | if (range) | |
114 | g_strfreev(range); | |
115 | ||
497f5362 BV |
116 | if (ret != SR_OK) |
117 | break; | |
43e5747a | 118 | } else { |
497f5362 BV |
119 | names = g_strsplit(tokens[i], "=", 2); |
120 | if (!names[0] || (names[1] && names[2])) { | |
121 | /* Need one or two arguments. */ | |
029d73fe | 122 | g_critical("Invalid channel '%s'.", tokens[i]); |
6df458b7 | 123 | g_strfreev(names); |
497f5362 | 124 | ret = SR_ERR; |
43e5747a UH |
125 | break; |
126 | } | |
127 | ||
029d73fe UH |
128 | ch = find_channel(sdi->channels, names[0]); |
129 | if (!ch) { | |
130 | g_critical("unknown channel '%s'.", names[0]); | |
6df458b7 | 131 | g_strfreev(names); |
497f5362 BV |
132 | ret = SR_ERR; |
133 | break; | |
134 | } | |
135 | if (names[1]) { | |
029d73fe UH |
136 | /* Rename channel. */ |
137 | g_free(ch->name); | |
138 | ch->name = g_strdup(names[1]); | |
43e5747a | 139 | } |
029d73fe | 140 | channellist = g_slist_append(channellist, ch); |
8ec20386 | 141 | |
6df458b7 | 142 | g_strfreev(names); |
43e5747a UH |
143 | } |
144 | } | |
66149c20 | 145 | |
497f5362 | 146 | if (ret != SR_OK) { |
029d73fe UH |
147 | g_slist_free(channellist); |
148 | channellist = NULL; | |
43e5747a UH |
149 | } |
150 | ||
151 | g_strfreev(tokens); | |
43e5747a | 152 | |
029d73fe | 153 | return channellist; |
43e5747a UH |
154 | } |
155 | ||
6b27bde4 BV |
156 | int parse_trigger_match(char c) |
157 | { | |
158 | int match; | |
159 | ||
160 | if (c == '0') | |
161 | match = SR_TRIGGER_ZERO; | |
162 | else if (c == '1') | |
163 | match = SR_TRIGGER_ONE; | |
164 | else if (c == 'r') | |
165 | match = SR_TRIGGER_RISING; | |
166 | else if (c == 'f') | |
167 | match = SR_TRIGGER_FALLING; | |
168 | else if (c == 'e') | |
169 | match = SR_TRIGGER_EDGE; | |
170 | else if (c == 'o') | |
171 | match = SR_TRIGGER_OVER; | |
172 | else if (c == 'u') | |
173 | match = SR_TRIGGER_UNDER; | |
174 | else | |
175 | match = 0; | |
176 | ||
177 | return match; | |
178 | } | |
179 | ||
4bf77ec6 BV |
180 | int parse_triggerstring(const struct sr_dev_inst *sdi, const char *s, |
181 | struct sr_trigger **trigger) | |
6b27bde4 BV |
182 | { |
183 | struct sr_channel *ch; | |
6b27bde4 BV |
184 | struct sr_trigger_stage *stage; |
185 | GVariant *gvar; | |
186 | GSList *l; | |
187 | gsize num_matches; | |
188 | gboolean found_match, error; | |
189 | const int32_t *matches; | |
190 | int32_t match; | |
191 | unsigned int j; | |
192 | int t, i; | |
193 | char **tokens, *sep; | |
194 | ||
195 | if (sr_config_list(sdi->driver, sdi, NULL, SR_CONF_TRIGGER_MATCH, | |
196 | &gvar) != SR_OK) { | |
197 | g_critical("Device doesn't support any triggers."); | |
198 | return FALSE; | |
199 | } | |
200 | matches = g_variant_get_fixed_array(gvar, &num_matches, sizeof(int32_t)); | |
201 | ||
4bf77ec6 | 202 | *trigger = sr_trigger_new(NULL); |
6b27bde4 BV |
203 | error = FALSE; |
204 | tokens = g_strsplit(s, ",", -1); | |
205 | for (i = 0; tokens[i]; i++) { | |
206 | if (!(sep = strchr(tokens[i], '='))) { | |
207 | g_critical("Invalid trigger '%s'.", tokens[i]); | |
208 | error = TRUE; | |
209 | break; | |
210 | } | |
211 | *sep++ = 0; | |
212 | ch = NULL; | |
213 | for (l = sdi->channels; l; l = l->next) { | |
214 | ch = l->data; | |
215 | if (ch->enabled && !strcmp(ch->name, tokens[i])) | |
216 | break; | |
217 | ch = NULL; | |
218 | } | |
219 | if (!ch) { | |
220 | g_critical("Invalid channel '%s'.", tokens[i]); | |
221 | error = TRUE; | |
222 | break; | |
223 | } | |
224 | for (t = 0; sep[t]; t++) { | |
225 | if (!(match = parse_trigger_match(sep[t]))) { | |
226 | g_critical("Invalid trigger match '%c'.", sep[t]); | |
227 | error = TRUE; | |
228 | break; | |
229 | } | |
230 | found_match = FALSE; | |
231 | for (j = 0; j < num_matches; j++) { | |
232 | if (matches[j] == match) { | |
233 | found_match = TRUE; | |
234 | break; | |
235 | } | |
236 | } | |
237 | if (!found_match) { | |
238 | g_critical("Trigger match '%c' not supported by device.", sep[t]); | |
239 | error = TRUE; | |
240 | break; | |
241 | } | |
242 | /* Make sure this ends up in the right stage, creating | |
243 | * them as needed. */ | |
4bf77ec6 BV |
244 | while (!(stage = g_slist_nth_data((*trigger)->stages, t))) |
245 | sr_trigger_stage_add(*trigger); | |
6b27bde4 BV |
246 | if (sr_trigger_match_add(stage, ch, match, 0) != SR_OK) { |
247 | error = TRUE; | |
248 | break; | |
249 | } | |
250 | } | |
251 | } | |
252 | g_strfreev(tokens); | |
253 | g_variant_unref(gvar); | |
254 | ||
255 | if (error) | |
4bf77ec6 | 256 | sr_trigger_free(*trigger); |
6b27bde4 BV |
257 | |
258 | return !error; | |
259 | } | |
260 | ||
63bb454c | 261 | GHashTable *parse_generic_arg(const char *arg, gboolean sep_first) |
43e5747a UH |
262 | { |
263 | GHashTable *hash; | |
264 | int i; | |
265 | char **elements, *e; | |
266 | ||
267 | if (!arg || !arg[0]) | |
268 | return NULL; | |
269 | ||
63bb454c BV |
270 | i = 0; |
271 | hash = g_hash_table_new_full(g_str_hash, g_str_equal, | |
272 | g_free, g_free); | |
43e5747a | 273 | elements = g_strsplit(arg, ":", 0); |
63bb454c BV |
274 | if (sep_first) |
275 | g_hash_table_insert(hash, g_strdup("sigrok_key"), | |
276 | g_strdup(elements[i++])); | |
277 | for (; elements[i]; i++) { | |
43e5747a UH |
278 | e = strchr(elements[i], '='); |
279 | if (!e) | |
280 | g_hash_table_insert(hash, g_strdup(elements[i]), NULL); | |
281 | else { | |
282 | *e++ = '\0'; | |
283 | g_hash_table_insert(hash, g_strdup(elements[i]), g_strdup(e)); | |
284 | } | |
285 | } | |
286 | g_strfreev(elements); | |
287 | ||
288 | return hash; | |
289 | } | |
290 | ||
2be182e6 | 291 | static char *strcanon(const char *str) |
432de709 BV |
292 | { |
293 | int p0, p1; | |
294 | char *s; | |
295 | ||
296 | /* Returns newly allocated string. */ | |
297 | s = g_ascii_strdown(str, -1); | |
298 | for (p0 = p1 = 0; str[p0]; p0++) { | |
299 | if ((s[p0] >= 'a' && s[p0] <= 'z') | |
300 | || (s[p0] >= '0' && s[p0] <= '9')) | |
301 | s[p1++] = s[p0]; | |
302 | } | |
303 | s[p1] = '\0'; | |
304 | ||
305 | return s; | |
306 | } | |
307 | ||
d2ee5eea | 308 | int canon_cmp(const char *str1, const char *str2) |
432de709 BV |
309 | { |
310 | int ret; | |
311 | char *s1, *s2; | |
312 | ||
313 | s1 = strcanon(str1); | |
314 | s2 = strcanon(str2); | |
315 | ret = g_ascii_strcasecmp(s1, s2); | |
316 | g_free(s2); | |
317 | g_free(s1); | |
318 | ||
319 | return ret; | |
320 | } |