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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
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 2 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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <boost/bind.hpp> | |
22 | ||
23 | #include <QDebug> | |
24 | #include <QObject> | |
25 | ||
26 | #include <stdint.h> | |
27 | ||
28 | #include "deviceoptions.h" | |
29 | ||
30 | #include <pv/prop/bool.h> | |
31 | #include <pv/prop/double.h> | |
32 | #include <pv/prop/enum.h> | |
33 | ||
34 | using namespace boost; | |
35 | using namespace std; | |
36 | ||
37 | namespace pv { | |
38 | namespace prop { | |
39 | namespace binding { | |
40 | ||
41 | DeviceOptions::DeviceOptions(struct sr_dev_inst *sdi) : | |
42 | _sdi(sdi) | |
43 | { | |
44 | GVariant *gvar_opts, *gvar_list; | |
45 | gsize num_opts; | |
46 | ||
47 | if ((sr_config_list(sdi->driver, SR_CONF_DEVICE_OPTIONS, | |
48 | &gvar_opts, sdi) != SR_OK)) | |
49 | /* Driver supports no device instance options. */ | |
50 | return; | |
51 | ||
52 | const int *const options = (const int32_t *)g_variant_get_fixed_array( | |
53 | gvar_opts, &num_opts, sizeof(int32_t)); | |
54 | for (unsigned int i = 0; i < num_opts; i++) { | |
55 | const struct sr_config_info *const info = | |
56 | sr_config_info_get(options[i]); | |
57 | ||
58 | if (!info) | |
59 | continue; | |
60 | ||
61 | const int key = info->key; | |
62 | ||
63 | if(sr_config_list(_sdi->driver, key, &gvar_list, _sdi) != SR_OK) | |
64 | gvar_list = NULL; | |
65 | ||
66 | const QString name(info->name); | |
67 | ||
68 | switch(key) | |
69 | { | |
70 | case SR_CONF_SAMPLERATE: | |
71 | bind_samplerate(name, gvar_list); | |
72 | break; | |
73 | ||
74 | case SR_CONF_PATTERN_MODE: | |
75 | case SR_CONF_BUFFERSIZE: | |
76 | case SR_CONF_TRIGGER_SOURCE: | |
77 | case SR_CONF_FILTER: | |
78 | case SR_CONF_COUPLING: | |
79 | bind_enum(name, key, gvar_list); | |
80 | break; | |
81 | ||
82 | case SR_CONF_RLE: | |
83 | bind_bool(name, key); | |
84 | break; | |
85 | ||
86 | case SR_CONF_TIMEBASE: | |
87 | bind_enum(name, key, gvar_list, print_timebase); | |
88 | break; | |
89 | ||
90 | case SR_CONF_VDIV: | |
91 | bind_enum(name, key, gvar_list, print_vdiv); | |
92 | break; | |
93 | } | |
94 | ||
95 | if (gvar_list) | |
96 | g_variant_unref(gvar_list); | |
97 | } | |
98 | g_variant_unref(gvar_opts); | |
99 | } | |
100 | ||
101 | GVariant* DeviceOptions::config_getter( | |
102 | const struct sr_dev_inst *sdi, int key) | |
103 | { | |
104 | GVariant *data = NULL; | |
105 | if (sr_config_get(sdi->driver, key, &data, sdi) != SR_OK) { | |
106 | qDebug() << | |
107 | "WARNING: Failed to get value of config id" << key; | |
108 | return NULL; | |
109 | } | |
110 | return data; | |
111 | } | |
112 | ||
113 | void DeviceOptions::config_setter( | |
114 | const struct sr_dev_inst *sdi, int key, GVariant* value) | |
115 | { | |
116 | if (sr_config_set(sdi, key, value) != SR_OK) | |
117 | qDebug() << "WARNING: Failed to set value of sample rate"; | |
118 | } | |
119 | ||
120 | void DeviceOptions::bind_bool(const QString &name, int key) | |
121 | { | |
122 | _properties.push_back(shared_ptr<Property>( | |
123 | new Bool(name, bind(config_getter, _sdi, key), | |
124 | bind(config_setter, _sdi, key, _1)))); | |
125 | } | |
126 | ||
127 | void DeviceOptions::bind_enum(const QString &name, int key, | |
128 | GVariant *const gvar_list, function<QString (GVariant*)> printer) | |
129 | { | |
130 | GVariant *gvar; | |
131 | GVariantIter iter; | |
132 | vector< pair<GVariant*, QString> > values; | |
133 | ||
134 | assert(gvar_list); | |
135 | ||
136 | g_variant_iter_init (&iter, gvar_list); | |
137 | while ((gvar = g_variant_iter_next_value (&iter))) | |
138 | values.push_back(make_pair(gvar, printer(gvar))); | |
139 | ||
140 | _properties.push_back(shared_ptr<Property>( | |
141 | new Enum(name, values, | |
142 | bind(config_getter, _sdi, key), | |
143 | bind(config_setter, _sdi, key, _1)))); | |
144 | } | |
145 | ||
146 | QString DeviceOptions::print_gvariant(GVariant *const gvar) | |
147 | { | |
148 | QString s; | |
149 | ||
150 | if (g_variant_is_of_type(gvar, G_VARIANT_TYPE("s"))) | |
151 | s = QString(g_variant_get_string(gvar, NULL)); | |
152 | else | |
153 | { | |
154 | gchar *const text = g_variant_print(gvar, FALSE); | |
155 | s = QString(text); | |
156 | g_free(text); | |
157 | } | |
158 | ||
159 | return s; | |
160 | } | |
161 | ||
162 | void DeviceOptions::bind_samplerate(const QString &name, | |
163 | GVariant *const gvar_list) | |
164 | { | |
165 | GVariant *gvar_list_samplerates; | |
166 | ||
167 | assert(gvar_list); | |
168 | ||
169 | if ((gvar_list_samplerates = g_variant_lookup_value(gvar_list, | |
170 | "samplerate-steps", G_VARIANT_TYPE("at")))) | |
171 | { | |
172 | gsize num_elements; | |
173 | const uint64_t *const elements = | |
174 | (const uint64_t *)g_variant_get_fixed_array( | |
175 | gvar_list_samplerates, &num_elements, sizeof(uint64_t)); | |
176 | ||
177 | assert(num_elements == 3); | |
178 | ||
179 | _properties.push_back(shared_ptr<Property>( | |
180 | new Double(name, 0, QObject::tr("Hz"), | |
181 | make_pair((double)elements[0], (double)elements[1]), | |
182 | (double)elements[2], | |
183 | bind(samplerate_double_getter, _sdi), | |
184 | bind(samplerate_double_setter, _sdi, _1)))); | |
185 | ||
186 | g_variant_unref(gvar_list_samplerates); | |
187 | } | |
188 | else if ((gvar_list_samplerates = g_variant_lookup_value(gvar_list, | |
189 | "samplerates", G_VARIANT_TYPE("at")))) | |
190 | { | |
191 | bind_enum(name, SR_CONF_SAMPLERATE, | |
192 | gvar_list_samplerates, print_samplerate); | |
193 | g_variant_unref(gvar_list_samplerates); | |
194 | } | |
195 | } | |
196 | ||
197 | QString DeviceOptions::print_samplerate(GVariant *const gvar) | |
198 | { | |
199 | char *const s = sr_samplerate_string( | |
200 | g_variant_get_uint64(gvar)); | |
201 | const QString qstring(s); | |
202 | g_free(s); | |
203 | return qstring; | |
204 | } | |
205 | ||
206 | GVariant* DeviceOptions::samplerate_double_getter( | |
207 | const struct sr_dev_inst *sdi) | |
208 | { | |
209 | GVariant *const gvar = config_getter(sdi, SR_CONF_SAMPLERATE); | |
210 | ||
211 | if(!gvar) | |
212 | return NULL; | |
213 | ||
214 | GVariant *const gvar_double = g_variant_new_double( | |
215 | g_variant_get_uint64(gvar)); | |
216 | ||
217 | g_variant_unref(gvar); | |
218 | ||
219 | return gvar_double; | |
220 | } | |
221 | ||
222 | void DeviceOptions::samplerate_double_setter( | |
223 | struct sr_dev_inst *sdi, GVariant *value) | |
224 | { | |
225 | GVariant *const gvar = g_variant_new_uint64( | |
226 | g_variant_get_double(value)); | |
227 | config_setter(sdi, SR_CONF_SAMPLERATE, gvar); | |
228 | } | |
229 | ||
230 | QString DeviceOptions::print_timebase(GVariant *const gvar) | |
231 | { | |
232 | uint64_t p, q; | |
233 | g_variant_get(gvar, "(tt)", &p, &q); | |
234 | return QString(sr_period_string(p * q)); | |
235 | } | |
236 | ||
237 | QString DeviceOptions::print_vdiv(GVariant *const gvar) | |
238 | { | |
239 | uint64_t p, q; | |
240 | g_variant_get(gvar, "(tt)", &p, &q); | |
241 | return QString(sr_voltage_string(p, q)); | |
242 | } | |
243 | ||
244 | } // binding | |
245 | } // prop | |
246 | } // pv | |
247 |