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root/truck/DashInterface/Display.cpp
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SteeringWheelRemote/Audacious.cpp (file contents), Revision 7 by douglas, 2007-05-06T22:12:04-07:00 vs.
DashInterface/Display.cpp (file contents), Revision 33 by douglas, 2008-02-29T19:05:18-08:00

# Line 1 | Line 1
1 < // Beep Remote
1 > // Display (Crystalfontz CFA-635 USB LCD)
2   //
3   // Douglas Thrift
4   //
5   // $Id$
6  
7 < #include <audacious/beepctrl.h>
7 > #include <foreach.hpp>
8 > #include <scopes.hpp>
9  
10 < #include "Audacious.hpp"
10 > #include <iomanip>
11 > #include <iostream>
12  
13 < void Audacious::Playlist(char **list, int size, bool enqueue)
14 < {
13 <        ::xmms_remote_playlist(session, list, size, enqueue);
14 < }
15 <
16 < int Audacious::GetVersion() const
17 < {
18 <        return ::xmms_remote_get_version(session);
19 < }
20 <
21 < void Audacious::PlaylistAdd(::GList *list)
22 < {
23 <        ::xmms_remote_playlist_add(session, list);
24 < }
25 <
26 < void Audacious::PlaylistDelete(int position)
27 < {
28 <        ::xmms_remote_playlist_delete(session, position);
29 < }
30 <
31 < void Audacious::Play()
32 < {
33 <        ::xmms_remote_play(session);
34 < }
35 <
36 < void Audacious::Pause()
37 < {
38 <        ::xmms_remote_pause(session);
39 < }
40 <
41 < void Audacious::Stop()
42 < {
43 <        ::xmms_remote_stop(session);
44 < }
45 <
46 < bool Audacious::IsPlaying() const
47 < {
48 <        return ::xmms_remote_is_playing(session);
49 < }
50 <
51 < bool Audacious::IsPaused() const
52 < {
53 <        return ::xmms_remote_is_paused(session);
54 < }
55 <
56 < int Audacious::GetPlaylistPosition() const
57 < {
58 <        return ::xmms_remote_get_playlist_pos(session);
59 < }
60 <
61 < void Audacious::SetPlaylistPosition(int position)
62 < {
63 <        ::xmms_remote_set_playlist_pos(session, position);
64 < }
65 <
66 < int Audacious::GetPlaylistLength() const
67 < {
68 <        return ::xmms_remote_get_playlist_length(session);
69 < }
70 <
71 < void Audacious::PlaylistClear()
72 < {
73 <        return ::xmms_remote_playlist_clear(session);
74 < }
75 <
76 < int Audacious::GetOutputTime() const
77 < {
78 <        return ::xmms_remote_get_output_time(session);
79 < }
80 <
81 < void Audacious::JumpToTime(int position)
82 < {
83 <        ::xmms_remote_jump_to_time(session, position);
84 < }
85 <
86 < void Audacious::GetVolume(int& left, int& right) const
87 < {
88 <        ::xmms_remote_get_volume(session, &left, &right);
89 < }
90 <
91 < int Audacious::GetMainVolume() const
92 < {
93 <        return ::xmms_remote_get_main_volume(session);
94 < }
95 <
96 < int Audacious::GetBalance() const
97 < {
98 <        return ::xmms_remote_get_balance(session);
99 < }
100 <
101 < void Audacious::SetVolume(int left, int right)
102 < {
103 <        ::xmms_remote_set_volume(session, left, right);
104 < }
105 <
106 < void Audacious::SetMainVolume(int volume)
107 < {
108 <        ::xmms_remote_set_main_volume(session, volume);
109 < }
110 <
111 < void Audacious::SetBalance(int balance)
112 < {
113 <        ::xmms_remote_set_balance(session, balance);
114 < }
115 <
116 < std::string Audacious::GetSkin() const
117 < {
118 <        return ::xmms_remote_get_skin(session);
119 < }
120 <
121 < void Audacious::SetSkin(const std::string &skin)
122 < {
123 <        ::xmms_remote_set_skin(session, const_cast<char*>(skin.c_str()));
124 < }
13 > #include <fcntl.h>
14 > #include <termios.h>
15  
16 < std::string Audacious::GetPlaylistFile(int position) const
127 < {
128 <        return ::xmms_remote_get_playlist_file(session, position);
129 < }
16 > #include "Display.hpp"
17  
18 < std::string Audacious::GetPlaylistTitle(int position) const
132 < {
133 <        return ::xmms_remote_get_playlist_title(session, position);
134 < }
18 > extern bool debug;
19  
20 < int Audacious::GetPlaylistTime(int position) const
20 > static uint16_t GetCRC(uint8_t *buffer, size_t length)
21   {
22 <        return ::xmms_remote_get_playlist_time(session, position);
23 < }
22 >        static const uint16_t table[256] = {
23 >                0x00000, 0x01189, 0x02312, 0x0329b, 0x04624, 0x057ad, 0x06536, 0x074bf,
24 >                0x08C48, 0x09DC1, 0x0AF5A, 0x0BED3, 0x0CA6C, 0x0DBE5, 0x0E97E, 0x0F8F7,
25 >                0x01081, 0x00108, 0x03393, 0x0221a, 0x056a5, 0x0472c, 0x075b7, 0x0643e,
26 >                0x09CC9, 0x08D40, 0x0BFDB, 0x0AE52, 0x0DAED, 0x0CB64, 0x0F9FF, 0x0E876,
27 >                0x02102, 0x0308b, 0x00210, 0x01399, 0x06726, 0x076af, 0x04434, 0x055bd,
28 >                0x0AD4A, 0x0BCC3, 0x08E58, 0x09FD1, 0x0EB6E, 0x0FAE7, 0x0C87C, 0x0D9F5,
29 >                0x03183, 0x0200a, 0x01291, 0x00318, 0x077a7, 0x0662e, 0x054b5, 0x0453c,
30 >                0x0BDCB, 0x0AC42, 0x09ED9, 0x08F50, 0x0FBEF, 0x0EA66, 0x0D8FD, 0x0C974,
31 >                0x04204, 0x0538d, 0x06116, 0x0709f, 0x00420, 0x015a9, 0x02732, 0x036bb,
32 >                0x0ce4c, 0x0dfc5, 0x0ed5e, 0x0fcd7, 0x08868, 0x099e1, 0x0ab7a, 0x0baf3,
33 >                0x05285, 0x0430c, 0x07197, 0x0601e, 0x014a1, 0x00528, 0x037b3, 0x0263a,
34 >                0x0decd, 0x0cf44, 0x0fddf, 0x0ec56, 0x098e9, 0x08960, 0x0bbfb, 0x0aa72,
35 >                0x06306, 0x0728f, 0x04014, 0x0519d, 0x02522, 0x034ab, 0x00630, 0x017b9,
36 >                0x0EF4E, 0x0FEC7, 0x0CC5C, 0x0DDD5, 0x0A96A, 0x0B8E3, 0x08A78, 0x09BF1,
37 >                0x07387, 0x0620e, 0x05095, 0x0411c, 0x035a3, 0x0242a, 0x016b1, 0x00738,
38 >                0x0FFCF, 0x0EE46, 0x0DCDD, 0x0CD54, 0x0B9EB, 0x0A862, 0x09AF9, 0x08B70,
39 >                0x08408, 0x09581, 0x0a71a, 0x0b693, 0x0c22c, 0x0d3a5, 0x0e13e, 0x0f0b7,
40 >                0x00840, 0x019c9, 0x02b52, 0x03adb, 0x04e64, 0x05fed, 0x06d76, 0x07cff,
41 >                0x09489, 0x08500, 0x0b79b, 0x0a612, 0x0d2ad, 0x0c324, 0x0f1bf, 0x0e036,
42 >                0x018c1, 0x00948, 0x03bd3, 0x02a5a, 0x05ee5, 0x04f6c, 0x07df7, 0x06c7e,
43 >                0x0a50a, 0x0b483, 0x08618, 0x09791, 0x0e32e, 0x0f2a7, 0x0c03c, 0x0d1b5,
44 >                0x02942, 0x038cb, 0x00a50, 0x01bd9, 0x06f66, 0x07eef, 0x04c74, 0x05dfd,
45 >                0x0b58b, 0x0a402, 0x09699, 0x08710, 0x0f3af, 0x0e226, 0x0d0bd, 0x0c134,
46 >                0x039C3, 0x0284A, 0x01AD1, 0x00B58, 0x07FE7, 0x06E6E, 0x05CF5, 0x04D7C,
47 >                0x0c60c, 0x0d785, 0x0e51e, 0x0f497, 0x08028, 0x091a1, 0x0a33a, 0x0b2b3,
48 >                0x04a44, 0x05bcd, 0x06956, 0x078df, 0x00c60, 0x01de9, 0x02f72, 0x03efb,
49 >                0x0d68d, 0x0c704, 0x0f59f, 0x0e416, 0x090a9, 0x08120, 0x0b3bb, 0x0a232,
50 >                0x05AC5, 0x04B4C, 0x079D7, 0x0685E, 0x01CE1, 0x00D68, 0x03FF3, 0x02E7A,
51 >                0x0e70e, 0x0f687, 0x0c41c, 0x0d595, 0x0a12a, 0x0b0a3, 0x08238, 0x093b1,
52 >                0x06b46, 0x07acf, 0x04854, 0x059dd, 0x02d62, 0x03ceb, 0x00e70, 0x01ff9,
53 >                0x0f78f, 0x0e606, 0x0d49d, 0x0c514, 0x0b1ab, 0x0a022, 0x092b9, 0x08330,
54 >                0x07BC7, 0x06A4E, 0x058D5, 0x0495C, 0x03DE3, 0x02C6A, 0x01EF1, 0x00F78,
55 >        };
56 >        register uint16_t crc(0xffff);
57  
58 < void Audacious::GetInfo(int &rate, int &frequency, int &channels) const
59 < {
143 <        ::xmms_remote_get_info(session, &rate, &frequency, &channels);
144 < }
58 >        while (length--)
59 >                crc = (crc >> 8) ^ table[(crc ^ *buffer++) & 0xff];
60  
61 < void Audacious::MainWindowToggle(bool show)
147 < {
148 <        ::xmms_remote_main_win_toggle(session, show);
61 >        return ~crc;
62   }
63  
64 < void Audacious::PlaylistWindowToggle(bool show)
64 > Display::Packet::Packet(Display::Packet::Command command, uint8_t length, const uint8_t *data) : command(command), length(length)
65   {
66 <        ::xmms_remote_pl_win_toggle(session, show);
67 < }
66 >        if (length > sizeof (this->data))
67 >                throw;
68  
69 < void Audacious::EqualizerWindowToggle(bool show)
157 < {
158 <        ::xmms_remote_eq_win_toggle(session, show);
159 < }
160 <
161 < bool Audacious::IsMainWindow() const
162 < {
163 <        return ::xmms_remote_is_main_win(session);
164 < }
69 >        ::memcpy(this->data, data, length);
70  
71 < bool Audacious::IsPlaylistWindow() const
167 < {
168 <        return ::xmms_remote_is_pl_win(session);
71 >        crc = GetCRC(reinterpret_cast<uint8_t *>(this), length + 2);
72   }
73  
74 < bool Audacious::IsEqualizerWindow() const
74 > std::ostream &operator<<(std::ostream &output, const Display::Packet &packet)
75   {
76 <        return ::xmms_remote_is_eq_win(session);
76 >        return output << _B("0x") << std::hex << std::setw(2) << std::setfill('0') << unsigned(packet.command) << _B(" [") << packet.GetData() << ']';
77   }
78  
79 < void Audacious::ShowPreferencesBox()
79 > void operator<<(int fd, const Display::Packet &packet)
80   {
81 <        ::xmms_remote_show_prefs_box(session);
82 < }
81 >        if (packet.length != sizeof (packet.data))
82 >                ::memcpy(const_cast<uint8_t *>(packet.data) + packet.length, &packet.crc, 2);
83  
84 < void Audacious::ToggleAlwaysOnTop(bool always)
85 < {
183 <        ::xmms_remote_toggle_aot(session, always);
184 < }
84 >        if (debug)
85 >                std::cerr << _B("<< ") << packet << std::endl;
86  
87 < void Audacious::Eject()
187 < {
188 <        ::xmms_remote_eject(session);
87 >        Posix::Write(fd, &packet, packet.length + 4);
88   }
89  
90 < void Audacious::PlaylistPrevious()
90 > void operator>>(int fd, Display::Packet &packet)
91   {
92 <        ::xmms_remote_playlist_prev(session);
93 < }
92 >        Posix::Read(fd, &packet, 2);
93 >        Posix::Read(fd, packet.data, packet.length);
94 >        Posix::Read(fd, &packet.crc, 2);
95  
96 < void Audacious::PlaylistNext()
97 < {
198 <        ::xmms_remote_playlist_next(session);
96 >        if (debug)
97 >                std::cerr << _B(">> ") << packet << std::endl;
98   }
99  
100 < void Audacious::PlaylistAddUrl(const std::string &url)
100 > void Communicate(Display *display)
101   {
102 <        ::xmms_remote_playlist_add_url_string(session, const_cast<char*>(url.c_str()));
102 >        display->Communicate_();
103   }
104  
105 < bool Audacious::IsRunning() const
105 > Display::Display(const std::string &device) : ucom(Posix::Open(device, O_RDWR | O_NOCTTY | O_NONBLOCK)), ucomCondition(ucomLock), running(true), responsesCondition(responsesLock), thread(reinterpret_cast<void *(*)(void *)>(::Communicate), this)
106   {
107 <        return ::xmms_remote_is_running(session);
209 < }
107 >        ::termios state;
108  
109 < void Audacious::ToggleRepeat()
110 < {
111 <        ::xmms_remote_toggle_repeat(session);
214 < }
109 >        Posix::CheckError(::tcgetattr(ucom, &state));
110 >        Posix::CheckError(::cfsetospeed(&state, B115200));
111 >        Posix::CheckError(::cfsetispeed(&state, B115200));
112  
113 < void Audacious::ToggleShuffle()
114 < {
115 <        ::xmms_remote_toggle_shuffle(session);
116 < }
113 >        state.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | INPCK | ISTRIP | INLCR | IGNCR | ICRNL | IXON | IXOFF);
114 >        state.c_iflag |= IGNPAR;
115 >        state.c_oflag &= ~(OPOST | ONLCR | ONOCR | ONLRET);
116 >        state.c_cflag &= ~(CSIZE | PARENB | PARODD | HUPCL | CRTSCTS);
117 >        state.c_cflag |= CREAD | CS8 | CSTOPB | CLOCAL;
118 >        state.c_lflag &= ~(ISIG | ICANON | IEXTEN | ECHO);
119 >        state.c_lflag |= NOFLSH;
120  
121 < bool Audacious::IsRepeat() const
222 < {
223 <        return ::xmms_remote_is_repeat(session);
224 < }
121 >        Posix::CheckError(::tcsetattr(ucom, TCSANOW, &state));
122  
123 < bool Audacious::IsShuffle() const
124 < {
228 <        return ::xmms_remote_is_shuffle(session);
123 >        _synchronized (ucomLock)
124 >                ucomCondition.Signal();
125   }
126  
127 < void Audacious::GetEqualizer(float& preamp, float bands[10]) const
127 > Display::~Display()
128   {
129 <        float* bands_;
234 <
235 <        ::xmms_remote_get_eq(session, &preamp, &bands_);
129 >        running = false;
130  
131 <        _forall (uint8_t, index, 0, 10)
238 <                bands[index] = bands[index];
239 <
240 <        ::g_free(bands_);
241 < }
242 <
243 < float Audacious::GetEqualizerPreamp() const
244 < {
245 <        return ::xmms_remote_get_eq_preamp(session);
246 < }
131 >        thread.Join();
132  
133 < float Audacious::GetEqualizerBand(int band) const
249 < {
250 <        return ::xmms_remote_get_eq_band(session, band);
133 >        Posix::Close(ucom);
134   }
135  
136 < void Audacious::SetEqualizer(float preamp, float bands[10])
136 > void Display::Communicate_()
137   {
138 <        ::xmms_remote_set_eq(session, preamp, bands);
139 < }
138 >        _synchronized (ucomLock)
139 >                ucomCondition.Wait();
140  
141 < void Audacious::SetEqualizerPreamp(float preamp)
142 < {
143 <        ::xmms_remote_set_eq_preamp(session, preamp);
261 < }
141 >        while (running)
142 >        {
143 >                Packet response;
144  
145 < void Audacious::SetEqualizerBand(int band, float value)
146 < {
147 <        ::xmms_remote_set_eq_band(session, band, value);
148 < }
145 >                _synchronized (ucomLock)
146 >                        try
147 >                        {
148 >                                ucom >> response;
149 >                        }
150 >                        catch (const Posix::Error error)
151 >                        {
152 >                                if (error.what() != _B("Resource temporarily unavailable"))
153 >                                        throw error;
154  
155 < // XMMS 1.2.1
156 < void Audacious::Quit()
270 < {
271 <        ::xmms_remote_quit(session);
272 < }
155 >                                goto next;
156 >                        }
157  
158 < // XMMS 1.2.6
159 < void Audacious::PlayPause()
160 < {
161 <        ::xmms_remote_play_pause(session);
162 < }
158 >                if ((response.command & Packet::Error) == Packet::Error);
159 >                else if ((response.command & Packet::Report) == Packet::Report)
160 >                        switch (response.command)
161 >                        {
162 >                        case Packet::KeyActivity:
163 >                                _synchronized (keyActivityLock)
164 >                                        keyActivity.push(response);
165  
166 < void Audacious::PlaylistInsertUrl(const std::string &url, int position)
167 < {
168 <        ::xmms_remote_playlist_ins_url_string(session, const_cast<char*>(url.c_str()), position);
169 < }
166 >                                break;
167 >                        case Packet::FanSpeedReport:
168 >                        case Packet::TemperatureSensorReport:
169 >                                break;
170 >                        }
171 >                else if ((response.command & Packet::Response) == Packet::Response)
172 >                        _synchronized (responsesLock)
173 >                        {
174 >                                responses.push(response);
175 >                                responsesCondition.Signal();
176 >                        }
177  
178 < // XMMS 1.2.11
179 < void Audacious::PlayqueueAdd(int position)
287 < {
288 <        ::xmms_remote_playqueue_add(session, position);
178 > next:   ::usleep(500);
179 >        }
180   }
181  
182 < void Audacious::PlayqueueRemove(int position)
182 > Display::Packet Display::Communicate_(Display::Packet::Command command, uint8_t length, const uint8_t *data)
183   {
184 <        ::xmms_remote_playqueue_remove(session, position);
294 < }
184 >        Packet packet(command, length, data);
185  
186 < int Audacious::GetPlayqueueLength() const
187 < {
298 <        return ::xmms_remote_get_playqueue_length(session);
299 < }
186 >        _synchronized (ucomLock)
187 >                ucom << packet;
188  
189 < void Audacious::ToggleAdvance()
190 < {
191 <        ::xmms_remote_toggle_advance(session);
192 < }
189 >        _synchronized (responsesLock)
190 >        {
191 >                while (responses.empty())
192 >                        responsesCondition.Wait();
193  
194 < bool Audacious::IsAdvance() const
307 < {
308 <        return ::xmms_remote_is_advance(session);
309 < }
194 >                Packet response(responses.front());
195  
196 < // BMP 0.9.7
312 < void Audacious::Activate()
313 < {
314 <        ::xmms_remote_activate(session);
315 < }
196 >                responses.pop();
197  
198 < // Audacious 1.1
318 < void Audacious::ShowJumpToFileBox()
319 < {
320 <        ::xmms_remote_show_jtf_box(session);
321 < }
198 >                assert ((packet.command | Packet::Response) == response.command);
199  
200 < void Audacious::PlayqueueClear()
201 < {
325 <        ::xmms_remote_playqueue_clear(session);
326 < }
200 >                return response;
201 >        }
202  
203 < bool Audacious::PlayqueueIsQueued(int position) const
329 < {
330 <        return ::xmms_remote_playqueue_is_queued(session, position);
203 >        throw;
204   }
205  
206 < int Audacious::GetPlayqueuePosition(int position) const
206 > bool Display::Ping(const std::string &data)
207   {
208 <        return ::xmms_remote_get_playqueue_position(session, position);
208 >        return data == Communicate<const std::string &>(Packet::PingCommand, data).GetData();
209   }
210  
211 < int Audacious::GetPlayqueueQueuePosition(int position) const
211 > std::string Display::Version()
212   {
213 <        return ::xmms_remote_get_playqueue_queue_position(session, position);
213 >        return Communicate(Packet::GetHardwareAndFirmwareVersion).GetData();
214   }
215  
216 < // Audacious 1.2
344 < void Audacious::SetSessionUri(const std::string &uri)
216 > void Display::Set(uint8_t column, uint8_t row, const std::string &data)
217   {
218 <        ::audacious_set_session_uri(const_cast<char *>(uri.c_str()));
218 >        Communicate(Packet::SendDataToLCD, column, row, data);
219   }
220  
221 < std::string Audacious::GetSessionUri() const
221 > Display::KeyActivity Display::GetKeyActivity()
222   {
223 <        return ::audacious_get_session_uri(session);
224 < }
223 >        _synchronized (keyActivityLock)
224 >                if (keyActivity.size())
225 >                {
226 >                        KeyActivity activity(KeyActivity(*keyActivity.front().data));
227  
228 < void Audacious::SetSessionType(Type type)
355 < {
356 <        ::audacious_set_session_type(type);
357 < }
228 >                        keyActivity.pop();
229  
230 < // Audacious 1.3
231 < void Audacious::PlaylistEnqueueToTemp(const std::string &string)
361 < {
362 <        ::xmms_remote_playlist_enqueue_to_temp(session, const_cast<char *>(string.c_str()));
363 < }
230 >                        return activity;
231 >                }
232  
233 < std::string Audacious::GetTupleFieldData(const std::string &field, int position)
366 < {
367 <        return ::audacious_get_tuple_field_data(session, const_cast<char *>(field.c_str()), position);
233 >        return None;
234   }

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