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1 | /* | |
2 | * This file is part of the sigrok-cli project. | |
3 | * | |
4 | * Copyright (C) 2013 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 | ||
20 | #include <config.h> | |
21 | #include <stdlib.h> | |
22 | #include <glib.h> | |
23 | #include "sigrok-cli.h" | |
24 | ||
25 | struct sr_context *sr_ctx = NULL; | |
26 | #ifdef HAVE_SRD | |
27 | struct srd_session *srd_sess = NULL; | |
28 | #endif | |
29 | ||
30 | static void logger(const gchar *log_domain, GLogLevelFlags log_level, | |
31 | const gchar *message, gpointer cb_data) | |
32 | { | |
33 | (void)log_domain; | |
34 | (void)cb_data; | |
35 | ||
36 | /* | |
37 | * All messages, warnings, errors etc. go to stderr (not stdout) in | |
38 | * order to not mess up the CLI tool data output, e.g. VCD output. | |
39 | */ | |
40 | if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING) | |
41 | || opt_loglevel > SR_LOG_WARN) { | |
42 | fprintf(stderr, "%s\n", message); | |
43 | fflush(stderr); | |
44 | } | |
45 | ||
46 | if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL)) | |
47 | exit(1); | |
48 | ||
49 | } | |
50 | ||
51 | int select_channels(struct sr_dev_inst *sdi) | |
52 | { | |
53 | struct sr_channel *ch; | |
54 | gboolean enabled; | |
55 | GSList *selected_channels, *l, *channels; | |
56 | ||
57 | channels = sr_dev_inst_channels_get(sdi); | |
58 | ||
59 | if (opt_channels) { | |
60 | if (!(selected_channels = parse_channelstring(sdi, opt_channels))) | |
61 | return SR_ERR; | |
62 | ||
63 | for (l = channels; l; l = l->next) { | |
64 | ch = l->data; | |
65 | enabled = (g_slist_find(selected_channels, ch) != NULL); | |
66 | if (sr_dev_channel_enable(ch, enabled) != SR_OK) | |
67 | return SR_ERR; | |
68 | } | |
69 | g_slist_free(selected_channels); | |
70 | } | |
71 | #ifdef HAVE_SRD | |
72 | map_pd_channels(sdi); | |
73 | #endif | |
74 | return SR_OK; | |
75 | } | |
76 | ||
77 | gboolean config_key_has_cap(struct sr_dev_driver *driver, | |
78 | const struct sr_dev_inst *sdi, struct sr_channel_group *cg, | |
79 | uint32_t key, uint32_t capability) | |
80 | { | |
81 | GVariant *gvar_opts; | |
82 | const uint32_t *opts; | |
83 | gsize num_opts, i; | |
84 | gboolean result; | |
85 | ||
86 | if (sr_config_list(driver, sdi, cg, SR_CONF_DEVICE_OPTIONS, | |
87 | &gvar_opts) != SR_OK) | |
88 | return FALSE; | |
89 | ||
90 | opts = g_variant_get_fixed_array(gvar_opts, &num_opts, sizeof(uint32_t)); | |
91 | result = FALSE; | |
92 | for (i = 0; i < num_opts; i++) { | |
93 | if ((opts[i] & SR_CONF_MASK) == key) { | |
94 | if ((opts[i] & capability) == capability) | |
95 | result = TRUE; | |
96 | else | |
97 | result = FALSE; | |
98 | break; | |
99 | } | |
100 | } | |
101 | g_variant_unref(gvar_opts); | |
102 | ||
103 | return result; | |
104 | } | |
105 | ||
106 | int maybe_config_get(struct sr_dev_driver *driver, | |
107 | const struct sr_dev_inst *sdi, struct sr_channel_group *cg, | |
108 | uint32_t key, GVariant **gvar) | |
109 | { | |
110 | if (config_key_has_cap(driver, sdi, cg, key, SR_CONF_GET)) | |
111 | return sr_config_get(driver, sdi, cg, key, gvar); | |
112 | ||
113 | return SR_ERR_NA; | |
114 | } | |
115 | ||
116 | int maybe_config_set(struct sr_dev_driver *driver, | |
117 | const struct sr_dev_inst *sdi, struct sr_channel_group *cg, | |
118 | uint32_t key, GVariant *gvar) | |
119 | { | |
120 | if (config_key_has_cap(driver, sdi, cg, key, SR_CONF_SET)) | |
121 | return sr_config_set(sdi, cg, key, gvar); | |
122 | ||
123 | return SR_ERR_NA; | |
124 | } | |
125 | ||
126 | int maybe_config_list(struct sr_dev_driver *driver, | |
127 | const struct sr_dev_inst *sdi, struct sr_channel_group *cg, | |
128 | uint32_t key, GVariant **gvar) | |
129 | { | |
130 | if (config_key_has_cap(driver, sdi, cg, key, SR_CONF_LIST)) | |
131 | return sr_config_list(driver, sdi, cg, key, gvar); | |
132 | ||
133 | return SR_ERR_NA; | |
134 | } | |
135 | ||
136 | static void get_option(void) | |
137 | { | |
138 | struct sr_dev_inst *sdi; | |
139 | struct sr_channel_group *cg; | |
140 | const struct sr_key_info *ci; | |
141 | GSList *devices; | |
142 | GVariant *gvar; | |
143 | GHashTable *devargs; | |
144 | int ret; | |
145 | char *s; | |
146 | struct sr_dev_driver *driver; | |
147 | ||
148 | if (!(devices = device_scan())) { | |
149 | g_critical("No devices found."); | |
150 | return; | |
151 | } | |
152 | sdi = devices->data; | |
153 | g_slist_free(devices); | |
154 | ||
155 | driver = sr_dev_inst_driver_get(sdi); | |
156 | ||
157 | if (sr_dev_open(sdi) != SR_OK) { | |
158 | g_critical("Failed to open device."); | |
159 | return; | |
160 | } | |
161 | ||
162 | cg = select_channel_group(sdi); | |
163 | if (!(ci = sr_key_info_name_get(SR_KEY_CONFIG, opt_get))) | |
164 | g_critical("Unknown option '%s'", opt_get); | |
165 | ||
166 | if ((devargs = parse_generic_arg(opt_config, FALSE))) | |
167 | set_dev_options(sdi, devargs); | |
168 | else devargs = NULL; | |
169 | ||
170 | if ((ret = maybe_config_get(driver, sdi, cg, ci->key, &gvar)) != SR_OK) | |
171 | g_critical("Failed to get '%s': %s", opt_get, sr_strerror(ret)); | |
172 | s = g_variant_print(gvar, FALSE); | |
173 | printf("%s\n", s); | |
174 | g_free(s); | |
175 | ||
176 | g_variant_unref(gvar); | |
177 | sr_dev_close(sdi); | |
178 | if (devargs) | |
179 | g_hash_table_destroy(devargs); | |
180 | } | |
181 | ||
182 | static void set_options(void) | |
183 | { | |
184 | struct sr_dev_inst *sdi; | |
185 | GSList *devices; | |
186 | GHashTable *devargs; | |
187 | ||
188 | if (!opt_config) { | |
189 | g_critical("No setting specified."); | |
190 | return; | |
191 | } | |
192 | ||
193 | if (!(devargs = parse_generic_arg(opt_config, FALSE))) | |
194 | return; | |
195 | ||
196 | if (!(devices = device_scan())) { | |
197 | g_critical("No devices found."); | |
198 | return; | |
199 | } | |
200 | sdi = devices->data; | |
201 | g_slist_free(devices); | |
202 | ||
203 | if (sr_dev_open(sdi) != SR_OK) { | |
204 | g_critical("Failed to open device."); | |
205 | return; | |
206 | } | |
207 | ||
208 | set_dev_options(sdi, devargs); | |
209 | ||
210 | sr_dev_close(sdi); | |
211 | g_hash_table_destroy(devargs); | |
212 | ||
213 | } | |
214 | ||
215 | int main(int argc, char **argv) | |
216 | { | |
217 | g_log_set_default_handler(logger, NULL); | |
218 | ||
219 | if (parse_options(argc, argv)) { | |
220 | return 1; | |
221 | } | |
222 | ||
223 | /* Set the loglevel (amount of messages to output) for libsigrok. */ | |
224 | if (sr_log_loglevel_set(opt_loglevel) != SR_OK) | |
225 | goto done; | |
226 | ||
227 | if (sr_init(&sr_ctx) != SR_OK) | |
228 | goto done; | |
229 | ||
230 | #ifdef HAVE_SRD | |
231 | /* Set the loglevel (amount of messages to output) for libsigrokdecode. */ | |
232 | if (srd_log_loglevel_set(opt_loglevel) != SRD_OK) | |
233 | goto done; | |
234 | ||
235 | if (opt_pds) { | |
236 | if (srd_init(NULL) != SRD_OK) | |
237 | goto done; | |
238 | if (srd_session_new(&srd_sess) != SRD_OK) { | |
239 | g_critical("Failed to create new decode session."); | |
240 | goto done; | |
241 | } | |
242 | if (register_pds(opt_pds, opt_pd_annotations) != 0) | |
243 | goto done; | |
244 | if (setup_pd_stack(opt_pds, opt_pd_stack, opt_pd_annotations) != 0) | |
245 | goto done; | |
246 | ||
247 | /* Only one output type is ever shown. */ | |
248 | if (opt_pd_binary) { | |
249 | if (setup_pd_binary(opt_pd_binary) != 0) | |
250 | goto done; | |
251 | if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_BINARY, | |
252 | show_pd_binary, NULL) != SRD_OK) | |
253 | goto done; | |
254 | } else if (opt_pd_meta) { | |
255 | if (setup_pd_meta(opt_pd_meta) != 0) | |
256 | goto done; | |
257 | if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_META, | |
258 | show_pd_meta, NULL) != SRD_OK) | |
259 | goto done; | |
260 | } else { | |
261 | if (opt_pd_annotations) | |
262 | if (setup_pd_annotations(opt_pd_annotations) != 0) | |
263 | goto done; | |
264 | if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_ANN, | |
265 | show_pd_annotations, NULL) != SRD_OK) | |
266 | goto done; | |
267 | } | |
268 | } | |
269 | #endif | |
270 | ||
271 | if (opt_version) | |
272 | show_version(); | |
273 | else if (opt_input_format && opt_show) | |
274 | show_input(); | |
275 | else if (opt_output_format && opt_show) | |
276 | show_output(); | |
277 | else if (opt_transform_module && opt_show) | |
278 | show_transform(); | |
279 | else if (opt_scan_devs) | |
280 | show_dev_list(); | |
281 | #ifdef HAVE_SRD | |
282 | else if (opt_pds && opt_show) | |
283 | show_pd_detail(); | |
284 | #endif | |
285 | else if (opt_show) | |
286 | show_dev_detail(); | |
287 | else if (opt_input_file) | |
288 | load_input_file(); | |
289 | else if (opt_get) | |
290 | get_option(); | |
291 | else if (opt_set) | |
292 | set_options(); | |
293 | else if (opt_samples || opt_time || opt_frames || opt_continuous) | |
294 | run_session(); | |
295 | else | |
296 | show_help(); | |
297 | ||
298 | #ifdef HAVE_SRD | |
299 | if (opt_pds) | |
300 | srd_exit(); | |
301 | #endif | |
302 | ||
303 | done: | |
304 | if (sr_ctx) | |
305 | sr_exit(sr_ctx); | |
306 | ||
307 | return 0; | |
308 | } |