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a1bb33af UH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
c73d2ea4 | 4 | * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com> |
a1bb33af UH |
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 <stdio.h> | |
21 | #include <glib.h> | |
45c59c8b BV |
22 | #include "libsigrok.h" |
23 | #include "libsigrok-internal.h" | |
a1bb33af | 24 | |
b4bd7088 | 25 | /** @private */ |
48a486cd BV |
26 | SR_PRIV struct sr_probe *sr_probe_new(int index, int type, |
27 | gboolean enabled, const char *name) | |
28 | { | |
29 | struct sr_probe *probe; | |
30 | ||
31 | if (!(probe = g_try_malloc0(sizeof(struct sr_probe)))) { | |
32 | sr_err("hwdriver: probe malloc failed"); | |
33 | return NULL; | |
34 | } | |
35 | ||
36 | probe->index = index; | |
37 | probe->type = type; | |
38 | probe->enabled = enabled; | |
39 | if (name) | |
40 | probe->name = g_strdup(name); | |
41 | ||
42 | return probe; | |
43 | } | |
44 | ||
94799bc4 UH |
45 | /** |
46 | * Set the name of the specified probe in the specified device. | |
47 | * | |
48 | * If the probe already has a different name assigned to it, it will be | |
49 | * removed, and the new name will be saved instead. | |
50 | * | |
37e8b4c4 | 51 | * @param sdi The device instance the probe is connected to. |
94799bc4 | 52 | * @param probenum The number of the probe whose name to set. |
37e8b4c4 BV |
53 | * Note that the probe numbers start at 0. |
54 | * @param name The new name that the specified probe should get. A copy | |
55 | * of the string is made. | |
0e3b1439 | 56 | * |
37e8b4c4 | 57 | * @return SR_OK on success, or SR_ERR_ARG on invalid arguments. |
94799bc4 | 58 | */ |
37e8b4c4 BV |
59 | SR_API int sr_dev_probe_name_set(const struct sr_dev_inst *sdi, |
60 | int probenum, const char *name) | |
a1bb33af | 61 | { |
37e8b4c4 BV |
62 | GSList *l; |
63 | struct sr_probe *probe; | |
64 | int ret; | |
a1bb33af | 65 | |
37e8b4c4 BV |
66 | if (!sdi) { |
67 | sr_err("%s: sdi was NULL", __func__); | |
0e3b1439 | 68 | return SR_ERR_ARG; |
94799bc4 UH |
69 | } |
70 | ||
37e8b4c4 BV |
71 | ret = SR_ERR_ARG; |
72 | for (l = sdi->probes; l; l = l->next) { | |
73 | probe = l->data; | |
74 | if (probe->index == probenum) { | |
75 | g_free(probe->name); | |
76 | probe->name = g_strdup(name); | |
77 | ret = SR_OK; | |
78 | break; | |
79 | } | |
94799bc4 UH |
80 | } |
81 | ||
37e8b4c4 | 82 | return ret; |
a1bb33af UH |
83 | } |
84 | ||
be5bf44d BV |
85 | /** |
86 | * Enable or disable a probe on the specified device. | |
87 | * | |
88 | * @param sdi The device instance the probe is connected to. | |
89 | * @param probenum The probe number, starting from 0. | |
90 | * @param state TRUE to enable the probe, FALSE to disable. | |
91 | * | |
92 | * @return SR_OK on success, or SR_ERR_ARG on invalid arguments. | |
93 | */ | |
94 | SR_API int sr_dev_probe_enable(const struct sr_dev_inst *sdi, int probenum, | |
95 | gboolean state) | |
96 | { | |
97 | GSList *l; | |
98 | struct sr_probe *probe; | |
99 | int ret; | |
100 | ||
101 | if (!sdi) | |
102 | return SR_ERR_ARG; | |
103 | ||
104 | ret = SR_ERR_ARG; | |
105 | for (l = sdi->probes; l; l = l->next) { | |
106 | probe = l->data; | |
107 | if (probe->index == probenum) { | |
108 | probe->enabled = state; | |
109 | ret = SR_OK; | |
110 | break; | |
111 | } | |
112 | } | |
113 | ||
114 | return ret; | |
115 | } | |
116 | ||
94799bc4 | 117 | /** |
01c3e9db UH |
118 | * Add a trigger to the specified device (and the specified probe). |
119 | * | |
120 | * If the specified probe of this device already has a trigger, it will | |
121 | * be silently replaced. | |
94799bc4 | 122 | * |
c7ee3ddb | 123 | * @param sdi Must not be NULL. |
a5f2e707 BV |
124 | * @param probenum The probe number, starting from 0. |
125 | * @param trigger Trigger string, in the format used by sigrok-cli | |
0e3b1439 | 126 | * |
a5f2e707 | 127 | * @return SR_OK on success, or SR_ERR_ARG on invalid arguments. |
94799bc4 | 128 | */ |
58453e58 BV |
129 | SR_API int sr_dev_trigger_set(const struct sr_dev_inst *sdi, int probenum, |
130 | const char *trigger) | |
a1bb33af | 131 | { |
58453e58 BV |
132 | GSList *l; |
133 | struct sr_probe *probe; | |
134 | int ret; | |
a1bb33af | 135 | |
58453e58 | 136 | if (!sdi) |
0e3b1439 | 137 | return SR_ERR_ARG; |
94799bc4 | 138 | |
58453e58 BV |
139 | ret = SR_ERR_ARG; |
140 | for (l = sdi->probes; l; l = l->next) { | |
141 | probe = l->data; | |
142 | if (probe->index == probenum) { | |
143 | /* If the probe already has a trigger, kill it first. */ | |
144 | g_free(probe->trigger); | |
145 | probe->trigger = g_strdup(trigger); | |
146 | ret = SR_OK; | |
147 | break; | |
148 | } | |
94799bc4 | 149 | } |
a1bb33af | 150 | |
58453e58 | 151 | return ret; |
7d658874 BV |
152 | } |
153 | ||
94799bc4 UH |
154 | /** |
155 | * Determine whether the specified device has the specified capability. | |
156 | * | |
a5b35a16 | 157 | * @param dev Pointer to the device instance to be checked. Must not be NULL. |
8ec95d22 UH |
158 | * If the device's 'driver' field is NULL (virtual device), this |
159 | * function will always return FALSE (virtual devices don't have | |
160 | * a hardware capabilities list). | |
94799bc4 UH |
161 | * @param hwcap The capability that should be checked (whether it's supported |
162 | * by the specified device). | |
163 | * | |
a5f2e707 | 164 | * @return TRUE if the device has the specified capability, FALSE otherwise. |
94799bc4 UH |
165 | * FALSE is also returned upon invalid input parameters or other |
166 | * error conditions. | |
167 | */ | |
a5b35a16 | 168 | SR_API gboolean sr_dev_has_hwcap(const struct sr_dev_inst *sdi, int hwcap) |
7d658874 | 169 | { |
915f7cc8 JH |
170 | const int *hwcaps; |
171 | int i; | |
7d658874 | 172 | |
a5b35a16 | 173 | if (!sdi || !sdi->driver) |
8ec95d22 | 174 | return FALSE; |
94799bc4 | 175 | |
a5b35a16 BV |
176 | if (sdi->driver->info_get(SR_DI_HWCAPS, |
177 | (const void **)&hwcaps, NULL) != SR_OK) | |
8ec95d22 | 178 | return FALSE; |
94799bc4 | 179 | |
ffedd0bf | 180 | for (i = 0; hwcaps[i]; i++) { |
a5b35a16 BV |
181 | if (hwcaps[i] == hwcap) |
182 | return TRUE; | |
94799bc4 | 183 | } |
218557b8 | 184 | |
7d658874 | 185 | return FALSE; |
a1bb33af | 186 | } |
fd9836bf | 187 | |
b4bd7088 | 188 | /** @private */ |
48a486cd BV |
189 | SR_PRIV struct sr_dev_inst *sr_dev_inst_new(int index, int status, |
190 | const char *vendor, const char *model, const char *version) | |
191 | { | |
192 | struct sr_dev_inst *sdi; | |
193 | ||
194 | if (!(sdi = g_try_malloc(sizeof(struct sr_dev_inst)))) { | |
195 | sr_err("hwdriver: %s: sdi malloc failed", __func__); | |
196 | return NULL; | |
197 | } | |
198 | ||
e8d3d6c8 | 199 | sdi->driver = NULL; |
48a486cd BV |
200 | sdi->index = index; |
201 | sdi->status = status; | |
202 | sdi->inst_type = -1; | |
203 | sdi->vendor = vendor ? g_strdup(vendor) : NULL; | |
204 | sdi->model = model ? g_strdup(model) : NULL; | |
205 | sdi->version = version ? g_strdup(version) : NULL; | |
206 | sdi->probes = NULL; | |
207 | sdi->priv = NULL; | |
208 | ||
209 | return sdi; | |
210 | } | |
211 | ||
b4bd7088 | 212 | /** @private */ |
48a486cd BV |
213 | SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi) |
214 | { | |
d3cff734 BV |
215 | struct sr_probe *probe; |
216 | GSList *l; | |
217 | ||
218 | for (l = sdi->probes; l; l = l->next) { | |
219 | probe = l->data; | |
220 | g_free(probe->name); | |
221 | g_free(probe); | |
222 | } | |
223 | ||
48a486cd BV |
224 | g_free(sdi->priv); |
225 | g_free(sdi->vendor); | |
226 | g_free(sdi->model); | |
227 | g_free(sdi->version); | |
228 | g_free(sdi); | |
d3cff734 | 229 | |
48a486cd BV |
230 | } |
231 | ||
232 | #ifdef HAVE_LIBUSB_1_0 | |
233 | ||
b4bd7088 | 234 | /** @private */ |
48a486cd BV |
235 | SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus, |
236 | uint8_t address, struct libusb_device_handle *hdl) | |
237 | { | |
238 | struct sr_usb_dev_inst *udi; | |
239 | ||
240 | if (!(udi = g_try_malloc(sizeof(struct sr_usb_dev_inst)))) { | |
241 | sr_err("hwdriver: %s: udi malloc failed", __func__); | |
242 | return NULL; | |
243 | } | |
244 | ||
245 | udi->bus = bus; | |
246 | udi->address = address; | |
247 | udi->devhdl = hdl; | |
248 | ||
249 | return udi; | |
250 | } | |
251 | ||
b4bd7088 | 252 | /** @private */ |
48a486cd BV |
253 | SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb) |
254 | { | |
255 | /* Avoid compiler warnings. */ | |
256 | (void)usb; | |
257 | ||
258 | /* Nothing to do for this device instance type. */ | |
259 | } | |
260 | ||
261 | #endif | |
262 | ||
b4bd7088 | 263 | /** @private */ |
48a486cd BV |
264 | SR_PRIV struct sr_serial_dev_inst *sr_serial_dev_inst_new(const char *port, |
265 | int fd) | |
266 | { | |
267 | struct sr_serial_dev_inst *serial; | |
268 | ||
269 | if (!(serial = g_try_malloc(sizeof(struct sr_serial_dev_inst)))) { | |
270 | sr_err("hwdriver: %s: serial malloc failed", __func__); | |
271 | return NULL; | |
272 | } | |
273 | ||
274 | serial->port = g_strdup(port); | |
275 | serial->fd = fd; | |
276 | ||
277 | return serial; | |
278 | } | |
279 | ||
b4bd7088 | 280 | /** @private */ |
48a486cd BV |
281 | SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial) |
282 | { | |
283 | g_free(serial->port); | |
284 | } | |
285 | ||
a56f1480 BV |
286 | SR_API int sr_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, |
287 | const void *value) | |
288 | { | |
289 | int ret; | |
290 | ||
291 | if (!sdi || !sdi->driver || !sdi->driver->dev_config_set) { | |
292 | sr_err("hwdriver: unable to set config option"); | |
293 | return SR_ERR; | |
294 | } | |
295 | ||
296 | ret = sdi->driver->dev_config_set(sdi, hwcap, value); | |
297 | ||
298 | return ret; | |
299 | } | |
811deee4 BV |
300 | |
301 | SR_API GSList *sr_dev_inst_list(const struct sr_dev_driver *driver) | |
302 | { | |
303 | ||
304 | if (driver && driver->dev_list) | |
305 | return driver->dev_list(); | |
306 | else | |
307 | return NULL; | |
308 | } | |
309 | ||
310 | SR_API int sr_dev_inst_clear(const struct sr_dev_driver *driver) | |
311 | { | |
312 | ||
313 | if (driver && driver->dev_clear) | |
314 | return driver->dev_clear(); | |
315 | else | |
316 | return SR_OK; | |
317 | } | |
318 |