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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 | #include <pv/prop/int.h> | |
34 | ||
35 | using namespace boost; | |
36 | using namespace std; | |
37 | ||
38 | namespace pv { | |
39 | namespace prop { | |
40 | namespace binding { | |
41 | ||
42 | DeviceOptions::DeviceOptions(struct sr_dev_inst *sdi) : | |
43 | _sdi(sdi) | |
44 | { | |
45 | GVariant *gvar_opts, *gvar_list; | |
46 | gsize num_opts; | |
47 | ||
48 | if ((sr_config_list(sdi->driver, SR_CONF_DEVICE_OPTIONS, | |
49 | &gvar_opts, sdi) != SR_OK)) | |
50 | /* Driver supports no device instance options. */ | |
51 | return; | |
52 | ||
53 | const int *const options = (const int32_t *)g_variant_get_fixed_array( | |
54 | gvar_opts, &num_opts, sizeof(int32_t)); | |
55 | for (unsigned int i = 0; i < num_opts; i++) { | |
56 | const struct sr_config_info *const info = | |
57 | sr_config_info_get(options[i]); | |
58 | ||
59 | if (!info) | |
60 | continue; | |
61 | ||
62 | const int key = info->key; | |
63 | ||
64 | if(sr_config_list(_sdi->driver, key, &gvar_list, _sdi) != SR_OK) | |
65 | gvar_list = NULL; | |
66 | ||
67 | const QString name(info->name); | |
68 | ||
69 | switch(key) | |
70 | { | |
71 | case SR_CONF_SAMPLERATE: | |
72 | bind_samplerate(name, gvar_list); | |
73 | break; | |
74 | ||
75 | case SR_CONF_CAPTURE_RATIO: | |
76 | bind_int(name, key, "%", make_pair(0L, 100L)); | |
77 | break; | |
78 | ||
79 | case SR_CONF_PATTERN_MODE: | |
80 | case SR_CONF_BUFFERSIZE: | |
81 | case SR_CONF_TRIGGER_SOURCE: | |
82 | case SR_CONF_FILTER: | |
83 | case SR_CONF_COUPLING: | |
84 | bind_enum(name, key, gvar_list); | |
85 | break; | |
86 | ||
87 | case SR_CONF_RLE: | |
88 | bind_bool(name, key); | |
89 | break; | |
90 | ||
91 | case SR_CONF_TIMEBASE: | |
92 | bind_enum(name, key, gvar_list, print_timebase); | |
93 | break; | |
94 | ||
95 | case SR_CONF_VDIV: | |
96 | bind_enum(name, key, gvar_list, print_vdiv); | |
97 | break; | |
98 | } | |
99 | ||
100 | if (gvar_list) | |
101 | g_variant_unref(gvar_list); | |
102 | } | |
103 | g_variant_unref(gvar_opts); | |
104 | } | |
105 | ||
106 | GVariant* DeviceOptions::config_getter( | |
107 | const struct sr_dev_inst *sdi, int key) | |
108 | { | |
109 | GVariant *data = NULL; | |
110 | if (sr_config_get(sdi->driver, key, &data, sdi) != SR_OK) { | |
111 | qDebug() << | |
112 | "WARNING: Failed to get value of config id" << key; | |
113 | return NULL; | |
114 | } | |
115 | return data; | |
116 | } | |
117 | ||
118 | void DeviceOptions::config_setter( | |
119 | const struct sr_dev_inst *sdi, int key, GVariant* value) | |
120 | { | |
121 | if (sr_config_set(sdi, key, value) != SR_OK) | |
122 | qDebug() << "WARNING: Failed to set value of sample rate"; | |
123 | } | |
124 | ||
125 | void DeviceOptions::bind_bool(const QString &name, int key) | |
126 | { | |
127 | _properties.push_back(shared_ptr<Property>( | |
128 | new Bool(name, bind(config_getter, _sdi, key), | |
129 | bind(config_setter, _sdi, key, _1)))); | |
130 | } | |
131 | ||
132 | void DeviceOptions::bind_enum(const QString &name, int key, | |
133 | GVariant *const gvar_list, function<QString (GVariant*)> printer) | |
134 | { | |
135 | GVariant *gvar; | |
136 | GVariantIter iter; | |
137 | vector< pair<GVariant*, QString> > values; | |
138 | ||
139 | assert(gvar_list); | |
140 | ||
141 | g_variant_iter_init (&iter, gvar_list); | |
142 | while ((gvar = g_variant_iter_next_value (&iter))) | |
143 | values.push_back(make_pair(gvar, printer(gvar))); | |
144 | ||
145 | _properties.push_back(shared_ptr<Property>( | |
146 | new Enum(name, values, | |
147 | bind(config_getter, _sdi, key), | |
148 | bind(config_setter, _sdi, key, _1)))); | |
149 | } | |
150 | ||
151 | void DeviceOptions::bind_int(const QString &name, int key, QString suffix, | |
152 | optional< std::pair<int64_t, int64_t> > range) | |
153 | { | |
154 | _properties.push_back(shared_ptr<Property>( | |
155 | new Int(name, suffix, range, | |
156 | bind(config_getter, _sdi, key), | |
157 | bind(config_setter, _sdi, key, _1)))); | |
158 | } | |
159 | ||
160 | QString DeviceOptions::print_gvariant(GVariant *const gvar) | |
161 | { | |
162 | QString s; | |
163 | ||
164 | if (g_variant_is_of_type(gvar, G_VARIANT_TYPE("s"))) | |
165 | s = QString(g_variant_get_string(gvar, NULL)); | |
166 | else | |
167 | { | |
168 | gchar *const text = g_variant_print(gvar, FALSE); | |
169 | s = QString(text); | |
170 | g_free(text); | |
171 | } | |
172 | ||
173 | return s; | |
174 | } | |
175 | ||
176 | void DeviceOptions::bind_samplerate(const QString &name, | |
177 | GVariant *const gvar_list) | |
178 | { | |
179 | GVariant *gvar_list_samplerates; | |
180 | ||
181 | assert(gvar_list); | |
182 | ||
183 | if ((gvar_list_samplerates = g_variant_lookup_value(gvar_list, | |
184 | "samplerate-steps", G_VARIANT_TYPE("at")))) | |
185 | { | |
186 | gsize num_elements; | |
187 | const uint64_t *const elements = | |
188 | (const uint64_t *)g_variant_get_fixed_array( | |
189 | gvar_list_samplerates, &num_elements, sizeof(uint64_t)); | |
190 | ||
191 | assert(num_elements == 3); | |
192 | ||
193 | _properties.push_back(shared_ptr<Property>( | |
194 | new Double(name, 0, QObject::tr("Hz"), | |
195 | make_pair((double)elements[0], (double)elements[1]), | |
196 | (double)elements[2], | |
197 | bind(samplerate_double_getter, _sdi), | |
198 | bind(samplerate_double_setter, _sdi, _1)))); | |
199 | ||
200 | g_variant_unref(gvar_list_samplerates); | |
201 | } | |
202 | else if ((gvar_list_samplerates = g_variant_lookup_value(gvar_list, | |
203 | "samplerates", G_VARIANT_TYPE("at")))) | |
204 | { | |
205 | bind_enum(name, SR_CONF_SAMPLERATE, | |
206 | gvar_list_samplerates, print_samplerate); | |
207 | g_variant_unref(gvar_list_samplerates); | |
208 | } | |
209 | } | |
210 | ||
211 | QString DeviceOptions::print_samplerate(GVariant *const gvar) | |
212 | { | |
213 | char *const s = sr_samplerate_string( | |
214 | g_variant_get_uint64(gvar)); | |
215 | const QString qstring(s); | |
216 | g_free(s); | |
217 | return qstring; | |
218 | } | |
219 | ||
220 | GVariant* DeviceOptions::samplerate_double_getter( | |
221 | const struct sr_dev_inst *sdi) | |
222 | { | |
223 | GVariant *const gvar = config_getter(sdi, SR_CONF_SAMPLERATE); | |
224 | ||
225 | if(!gvar) | |
226 | return NULL; | |
227 | ||
228 | GVariant *const gvar_double = g_variant_new_double( | |
229 | g_variant_get_uint64(gvar)); | |
230 | ||
231 | g_variant_unref(gvar); | |
232 | ||
233 | return gvar_double; | |
234 | } | |
235 | ||
236 | void DeviceOptions::samplerate_double_setter( | |
237 | struct sr_dev_inst *sdi, GVariant *value) | |
238 | { | |
239 | GVariant *const gvar = g_variant_new_uint64( | |
240 | g_variant_get_double(value)); | |
241 | config_setter(sdi, SR_CONF_SAMPLERATE, gvar); | |
242 | } | |
243 | ||
244 | QString DeviceOptions::print_timebase(GVariant *const gvar) | |
245 | { | |
246 | uint64_t p, q; | |
247 | g_variant_get(gvar, "(tt)", &p, &q); | |
248 | return QString(sr_period_string(p * q)); | |
249 | } | |
250 | ||
251 | QString DeviceOptions::print_vdiv(GVariant *const gvar) | |
252 | { | |
253 | uint64_t p, q; | |
254 | g_variant_get(gvar, "(tt)", &p, &q); | |
255 | return QString(sr_voltage_string(p, q)); | |
256 | } | |
257 | ||
258 | } // binding | |
259 | } // prop | |
260 | } // pv | |
261 |