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7491a29f JH |
1 | /* |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2013 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 | |
efdec55a | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
7491a29f JH |
18 | */ |
19 | ||
943edd76 MC |
20 | #include <cassert> |
21 | ||
fe3a1c21 | 22 | #include <libsigrokcxx/libsigrokcxx.hpp> |
7491a29f JH |
23 | #include <libsigrokdecode/libsigrokdecode.h> |
24 | ||
2acdb232 | 25 | #include "decoder.hpp" |
7491a29f | 26 | |
04394ded | 27 | #include <pv/data/signalbase.hpp> |
27a3f09b | 28 | #include <pv/data/decodesignal.hpp> |
7491a29f | 29 | |
27a3f09b | 30 | using pv::data::DecodeChannel; |
819f4c25 JH |
31 | using std::map; |
32 | using std::string; | |
7491a29f JH |
33 | |
34 | namespace pv { | |
35 | namespace data { | |
36 | namespace decode { | |
37 | ||
38 | Decoder::Decoder(const srd_decoder *const dec) : | |
8dbbc7f0 | 39 | decoder_(dec), |
9f97b357 | 40 | shown_(true) |
7491a29f JH |
41 | { |
42 | } | |
43 | ||
44 | Decoder::~Decoder() | |
45 | { | |
27c05210 | 46 | for (auto& option : options_) |
da50281d | 47 | g_variant_unref(option.second); |
7491a29f JH |
48 | } |
49 | ||
50 | const srd_decoder* Decoder::decoder() const | |
51 | { | |
8dbbc7f0 | 52 | return decoder_; |
7491a29f JH |
53 | } |
54 | ||
dd048a7e JH |
55 | bool Decoder::shown() const |
56 | { | |
8dbbc7f0 | 57 | return shown_; |
dd048a7e JH |
58 | } |
59 | ||
60 | void Decoder::show(bool show) | |
61 | { | |
8dbbc7f0 | 62 | shown_ = show; |
dd048a7e JH |
63 | } |
64 | ||
27a3f09b | 65 | const vector<DecodeChannel*>& Decoder::channels() const |
7491a29f | 66 | { |
8dbbc7f0 | 67 | return channels_; |
7491a29f JH |
68 | } |
69 | ||
27a3f09b | 70 | void Decoder::set_channels(vector<DecodeChannel*> channels) |
7491a29f | 71 | { |
8dbbc7f0 | 72 | channels_ = channels; |
7491a29f JH |
73 | } |
74 | ||
6f925ba9 | 75 | const map<string, GVariant*>& Decoder::options() const |
7491a29f | 76 | { |
8dbbc7f0 | 77 | return options_; |
7491a29f JH |
78 | } |
79 | ||
80 | void Decoder::set_option(const char *id, GVariant *value) | |
81 | { | |
615f6d25 | 82 | assert(value); |
7491a29f | 83 | g_variant_ref(value); |
8dbbc7f0 | 84 | options_[id] = value; |
7491a29f JH |
85 | } |
86 | ||
6ac6242b | 87 | bool Decoder::have_required_channels() const |
a2d4b551 | 88 | { |
27a3f09b SA |
89 | for (DecodeChannel *ch : channels_) |
90 | if (!ch->assigned_signal && !ch->is_optional) | |
a2d4b551 | 91 | return false; |
a2d4b551 JH |
92 | |
93 | return true; | |
94 | } | |
95 | ||
c4dd1e4e | 96 | srd_decoder_inst* Decoder::create_decoder_inst(srd_session *session) const |
7491a29f | 97 | { |
615f6d25 JH |
98 | GHashTable *const opt_hash = g_hash_table_new_full(g_str_hash, |
99 | g_str_equal, g_free, (GDestroyNotify)g_variant_unref); | |
100 | ||
27c05210 | 101 | for (const auto& option : options_) { |
da50281d | 102 | GVariant *const value = option.second; |
615f6d25 JH |
103 | g_variant_ref(value); |
104 | g_hash_table_replace(opt_hash, (void*)g_strdup( | |
da50281d | 105 | option.first.c_str()), value); |
615f6d25 JH |
106 | } |
107 | ||
7491a29f | 108 | srd_decoder_inst *const decoder_inst = srd_inst_new( |
8dbbc7f0 | 109 | session, decoder_->id, opt_hash); |
615f6d25 JH |
110 | g_hash_table_destroy(opt_hash); |
111 | ||
f3290553 | 112 | if (!decoder_inst) |
4c60462b | 113 | return nullptr; |
7491a29f | 114 | |
6ac6242b | 115 | // Setup the channels |
f5295834 | 116 | GArray *const init_pin_states = g_array_sized_new(false, true, |
9f97b357 SA |
117 | sizeof(uint8_t), channels_.size()); |
118 | ||
119 | g_array_set_size(init_pin_states, channels_.size()); | |
120 | ||
6ac6242b | 121 | GHashTable *const channels = g_hash_table_new_full(g_str_hash, |
7491a29f JH |
122 | g_str_equal, g_free, (GDestroyNotify)g_variant_unref); |
123 | ||
27a3f09b SA |
124 | for (DecodeChannel *ch : channels_) { |
125 | init_pin_states->data[ch->id] = ch->initial_pin_state; | |
9f97b357 | 126 | |
27a3f09b | 127 | GVariant *const gvar = g_variant_new_int32(ch->id); // id = bit position |
7491a29f | 128 | g_variant_ref_sink(gvar); |
27a3f09b SA |
129 | // key is channel name, value is bit position in each sample |
130 | g_hash_table_insert(channels, ch->pdch_->id, gvar); | |
7491a29f JH |
131 | } |
132 | ||
c4dd1e4e | 133 | srd_inst_channel_set_all(decoder_inst, channels); |
7491a29f | 134 | |
27a3f09b | 135 | srd_inst_initial_pins_set_all(decoder_inst, init_pin_states); |
f5295834 | 136 | g_array_free(init_pin_states, true); |
407c9ebe | 137 | |
7491a29f JH |
138 | return decoder_inst; |
139 | } | |
140 | ||
870ea3db UH |
141 | } // namespace decode |
142 | } // namespace data | |
143 | } // namespace pv |