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Commit | Line | Data |
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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 | |
94799bc4 UH |
25 | /** |
26 | * Set the name of the specified probe in the specified device. | |
27 | * | |
28 | * If the probe already has a different name assigned to it, it will be | |
29 | * removed, and the new name will be saved instead. | |
30 | * | |
37e8b4c4 | 31 | * @param sdi The device instance the probe is connected to. |
94799bc4 | 32 | * @param probenum The number of the probe whose name to set. |
37e8b4c4 BV |
33 | * Note that the probe numbers start at 0. |
34 | * @param name The new name that the specified probe should get. A copy | |
35 | * of the string is made. | |
0e3b1439 | 36 | * |
37e8b4c4 | 37 | * @return SR_OK on success, or SR_ERR_ARG on invalid arguments. |
94799bc4 | 38 | */ |
37e8b4c4 BV |
39 | SR_API int sr_dev_probe_name_set(const struct sr_dev_inst *sdi, |
40 | int probenum, const char *name) | |
a1bb33af | 41 | { |
37e8b4c4 BV |
42 | GSList *l; |
43 | struct sr_probe *probe; | |
44 | int ret; | |
a1bb33af | 45 | |
37e8b4c4 BV |
46 | if (!sdi) { |
47 | sr_err("%s: sdi was NULL", __func__); | |
0e3b1439 | 48 | return SR_ERR_ARG; |
94799bc4 UH |
49 | } |
50 | ||
37e8b4c4 BV |
51 | ret = SR_ERR_ARG; |
52 | for (l = sdi->probes; l; l = l->next) { | |
53 | probe = l->data; | |
54 | if (probe->index == probenum) { | |
55 | g_free(probe->name); | |
56 | probe->name = g_strdup(name); | |
57 | ret = SR_OK; | |
58 | break; | |
59 | } | |
94799bc4 UH |
60 | } |
61 | ||
37e8b4c4 | 62 | return ret; |
a1bb33af UH |
63 | } |
64 | ||
be5bf44d BV |
65 | /** |
66 | * Enable or disable a probe on the specified device. | |
67 | * | |
68 | * @param sdi The device instance the probe is connected to. | |
69 | * @param probenum The probe number, starting from 0. | |
70 | * @param state TRUE to enable the probe, FALSE to disable. | |
71 | * | |
72 | * @return SR_OK on success, or SR_ERR_ARG on invalid arguments. | |
73 | */ | |
74 | SR_API int sr_dev_probe_enable(const struct sr_dev_inst *sdi, int probenum, | |
75 | gboolean state) | |
76 | { | |
77 | GSList *l; | |
78 | struct sr_probe *probe; | |
79 | int ret; | |
80 | ||
81 | if (!sdi) | |
82 | return SR_ERR_ARG; | |
83 | ||
84 | ret = SR_ERR_ARG; | |
85 | for (l = sdi->probes; l; l = l->next) { | |
86 | probe = l->data; | |
87 | if (probe->index == probenum) { | |
88 | probe->enabled = state; | |
89 | ret = SR_OK; | |
90 | break; | |
91 | } | |
92 | } | |
93 | ||
94 | return ret; | |
95 | } | |
96 | ||
94799bc4 | 97 | /** |
01c3e9db UH |
98 | * Add a trigger to the specified device (and the specified probe). |
99 | * | |
100 | * If the specified probe of this device already has a trigger, it will | |
101 | * be silently replaced. | |
94799bc4 | 102 | * |
c7ee3ddb BV |
103 | * @param sdi Must not be NULL. |
104 | * @param probenum The number of the probe. | |
94799bc4 | 105 | * Note that the probe numbers start at 1 (not 0!). |
c7ee3ddb | 106 | * @param trigger trigger string, in the format used by sigrok-cli |
0e3b1439 | 107 | * |
c7ee3ddb | 108 | * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments. |
94799bc4 | 109 | */ |
58453e58 BV |
110 | SR_API int sr_dev_trigger_set(const struct sr_dev_inst *sdi, int probenum, |
111 | const char *trigger) | |
a1bb33af | 112 | { |
58453e58 BV |
113 | GSList *l; |
114 | struct sr_probe *probe; | |
115 | int ret; | |
a1bb33af | 116 | |
58453e58 | 117 | if (!sdi) |
0e3b1439 | 118 | return SR_ERR_ARG; |
94799bc4 | 119 | |
58453e58 BV |
120 | ret = SR_ERR_ARG; |
121 | for (l = sdi->probes; l; l = l->next) { | |
122 | probe = l->data; | |
123 | if (probe->index == probenum) { | |
124 | /* If the probe already has a trigger, kill it first. */ | |
125 | g_free(probe->trigger); | |
126 | probe->trigger = g_strdup(trigger); | |
127 | ret = SR_OK; | |
128 | break; | |
129 | } | |
94799bc4 | 130 | } |
a1bb33af | 131 | |
58453e58 | 132 | return ret; |
7d658874 BV |
133 | } |
134 | ||
94799bc4 UH |
135 | /** |
136 | * Determine whether the specified device has the specified capability. | |
137 | * | |
a5b35a16 | 138 | * @param dev Pointer to the device instance to be checked. Must not be NULL. |
8ec95d22 UH |
139 | * If the device's 'driver' field is NULL (virtual device), this |
140 | * function will always return FALSE (virtual devices don't have | |
141 | * a hardware capabilities list). | |
94799bc4 UH |
142 | * @param hwcap The capability that should be checked (whether it's supported |
143 | * by the specified device). | |
144 | * | |
145 | * @return TRUE, if the device has the specified capability, FALSE otherwise. | |
146 | * FALSE is also returned upon invalid input parameters or other | |
147 | * error conditions. | |
148 | */ | |
a5b35a16 | 149 | SR_API gboolean sr_dev_has_hwcap(const struct sr_dev_inst *sdi, int hwcap) |
7d658874 | 150 | { |
915f7cc8 JH |
151 | const int *hwcaps; |
152 | int i; | |
7d658874 | 153 | |
a5b35a16 | 154 | if (!sdi || !sdi->driver) |
8ec95d22 | 155 | return FALSE; |
94799bc4 | 156 | |
a5b35a16 BV |
157 | if (sdi->driver->info_get(SR_DI_HWCAPS, |
158 | (const void **)&hwcaps, NULL) != SR_OK) | |
8ec95d22 | 159 | return FALSE; |
94799bc4 | 160 | |
ffedd0bf | 161 | for (i = 0; hwcaps[i]; i++) { |
a5b35a16 BV |
162 | if (hwcaps[i] == hwcap) |
163 | return TRUE; | |
94799bc4 | 164 | } |
218557b8 | 165 | |
7d658874 | 166 | return FALSE; |
a1bb33af | 167 | } |
fd9836bf | 168 |