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root/truck/DashInterface/DashInterface.cpp

Comparing DashInterface/DashInterface.cpp (file contents):
Revision 30 by douglas, 2008-02-28T17:01:10-08:00 vs.
Revision 42 by douglas, 2008-03-06T13:04:20-08:00

#	Line 4 | Line 4
4		//
5		// $Id$
6
7	+	#include <algorithm>
8	+	#include <iomanip>
9		#include <iostream>
10	+	#include <sstream>
11
12		#include <foreach.hpp>
13		#include <hash.hpp>
14	+	#include <iconv.hpp>
15		#include <regex.hpp>
16	+	#include <scopes.hpp>
17	+	#include <timing.hpp>
18
19		#include <Audacious.hpp>
20		#include <GPS.hpp>
21
22	<	#include <sqlite3.h>
22	>	#include <sys/types.h>
23	>	#include <sys/sysctl.h>
24	>	#include <sys/utsname.h>
25
26		#include "Display.hpp"
27
28		bool debug(false);
29
30	+	class DashInterface
31	+	{
32	+	enum Mode { Uname, Music, English, Metric, Nautical, Menu } mode, previous;
33	+	enum { Running, Audio };
34	+	enum { Stopped, Paused, Playing } audio;
35	+	enum Level { Top, Artist, Album, Song } level;
36	+	Timing::Time now;
37	+	IConv::IConv ascii;
38	+	Display display;
39	+	Pthreads::ThreadMutex displayLock;
40	+	Audacious::Audacious audacious;
41	+	//GPS::GPS gps;
42	+
43	+	inline std::string Filter(const std::string input)
44	+	{
45	+	std::string output(ascii.Convert(input));
46	+
47	+	std::replace(output.begin(), output.end(), '~', '\xce');
48	+
49	+	return output;
50	+	}
51	+
52	+	void Mode_(bool change = false)
53	+	{
54	+	switch (mode)
55	+	{
56	+	case Uname:
57	+	return Uname_(change);
58	+	case Music:
59	+	if (audacious.IsRunning())
60	+	{
61	+	int position(audacious.GetPlaylistPosition());
62	+	std::string artist(Filter(audacious.GetTupleFieldData(_B("artist"), position)));
63	+
64	+	artist.resize(20, ' ');
65	+	display.Set(0, 1, artist);
66	+
67	+	std::string title(Filter(audacious.GetTupleFieldData(_B("title"), position)));
68	+
69	+	title.resize(20, ' ');
70	+	display.Set(0, 2, title);
71	+
72	+	int played(audacious.GetOutputTime() / 1000);
73	+	int left(audacious.GetPlaylistTime(position) / 1000 - played);
74	+	char *times;
75	+
76	+	::asprintf(&times, "%2i:%02i -%2i:%02i", played / 60, played % 60, left / 60, left % 60);
77	+
78	+	std::string times_(times);
79	+
80	+	std::free(times);
81	+
82	+	times_.resize(20, ' ');
83	+	display.Set(0, 3, times_);
84	+	}
85	+	else
86	+	{
87	+	display.Set(0, 1, std::string(20, ' '));
88	+	display.Set(0, 2, std::string(20, ' '));
89	+	display.Set(0, 3, _B(" -:-- - -:--       "));
90	+	}
91	+
92	+	return;
93	+	case English:
94	+	case Metric:
95	+	case Nautical:
96	+	display.Set(0, 1, _B("STUB: GPS ") + (mode == English ? _B("English   ") : mode == Metric ? _B("Metric    ") : _B("Nautical  ")));
97	+	display.Set(0, 2, std::string(20, ' '));
98	+	display.Set(0, 3, std::string(20, ' '));
99	+
100	+	return;
101	+	case Menu:
102	+	if (change)
103	+	level = Top;
104	+	}
105	+	}
106	+
107	+	void Uname_(bool change = false)
108	+	{
109	+	if (!now || change)
110	+	{
111	+	utsname os;
112	+
113	+	::uname(&os);
114	+
115	+	static Pcre::RegEx version(_B("^(\\d+\\.\\d+)-([A-Z])[A-Z]*(-p\\d+)?.*$"));
116	+	Pcre::RegEx::Match match(version(os.release));
117	+	std::string name(os.sysname + _B(" ") + match[1] + match[2] + match[3]);
118	+
119	+	name.resize(20, ' ');
120	+	display.Set(0, 1, name);
121	+	}
122	+
123	+	int mib[] = { CTL_KERN, KERN_BOOTTIME };
124	+	timeval boottime;
125	+	size_t size(sizeof (boottime));
126	+
127	+	if (now && ::sysctl(mib, 2, &boottime, &size, NULL, 0) != -1 && boottime.tv_sec != 0)
128	+	{
129	+	time_t uptime(now - boottime.tv_sec);
130	+
131	+	if (uptime > 60)
132	+	uptime += 30;
133	+
134	+	char *when;
135	+	int days(uptime / 86400);
136	+
137	+	uptime %= 86400;
138	+
139	+	int hours(uptime / 3600);
140	+
141	+	uptime %= 3600;
142	+
143	+	int minutes(uptime / 60), seconds(uptime % 60);
144	+
145	+	::asprintf(&when, "%i+%02i:%02i:%02i", days, hours, minutes, seconds);
146	+
147	+	std::string then(when);
148	+
149	+	std::free(when);
150	+
151	+	then.resize(17, ' ');
152	+
153	+	if (change)
154	+	display.Set(0, 2, _B("up ") + then);
155	+	else
156	+	display.Set(3, 2, then);
157	+	}
158	+	else
159	+	display.Set(0, 2, _B("up -+--:--:--       "));
160	+
161	+	double averages[3];
162	+
163	+	if (::getloadavg(averages, 3) == -1 || !now)
164	+	display.Set(0, 3, _B("-.--, -.--, -.--    "));
165	+	else
166	+	{
167	+	char *load;
168	+
169	+	::asprintf(&load, "%.2f, %.2f, %.2f", averages[0], averages[1] , averages[2]);
170	+
171	+	std::string load_(load);
172	+
173	+	std::free(load);
174	+
175	+	load_.resize(20, ' ');
176	+	display.Set(0, 3, load_);
177	+	}
178	+	}
179	+
180	+	void Buttons(Display::KeyActivity activity)
181	+	{
182	+	_synchronized (displayLock)
183	+	if (mode != Menu)
184	+	{
185	+	bool change(false);
186	+
187	+	switch (activity)
188	+	{
189	+	case Display::UpPress:
190	+	--mode;
191	+
192	+	goto change;
193	+	case Display::DownPress:
194	+	++mode;
195	+
196	+	goto change;
197	+	case Display::LeftPress:
198	+	if (audacious.IsRunning())
199	+	audacious.PlaylistPrevious();
200	+
201	+	goto update;
202	+	case Display::RightPress:
203	+	if (audacious.IsRunning())
204	+	audacious.PlaylistNext();
205	+
206	+	goto update;
207	+	case Display::EnterPress:
208	+	previous = mode;
209	+	mode = Menu;
210	+
211	+	goto change;
212	+	case Display::ExitPress:
213	+	if (audacious.IsRunning())
214	+	audacious.PlayPause();
215	+
216	+	goto update;
217	+	default:
218	+	return;
219	+	}
220	+
221	+	change:                 change = true;
222	+
223	+	update:                 Mode_(change);
224	+	}
225	+	else
226	+	switch (activity)
227	+	{
228	+	case Display::UpPress:
229	+	case Display::DownPress:
230	+	case Display::LeftPress:
231	+	case Display::RightPress:
232	+	case Display::EnterPress:
233	+	return;
234	+	case Display::ExitPress:
235	+	mode = previous;
236	+
237	+	display.Set(0, 0, _B("  "));
238	+	display.Set(18, 0, _B("  "));
239	+
240	+	Mode_(true);
241	+	default:
242	+	return;
243	+	}
244	+	}
245	+
246	+	public:
247	+	DashInterface(const std::string &device) : mode(Uname), audio(Stopped), ascii(_B("ASCII//TRANSLIT//IGNORE"), _B("UTF-8")), display(device, reinterpret_cast<Display::Callback>(::Buttons), this)
248	+	{
249	+	_synchronized (displayLock)
250	+	{
251	+	display.Clear();
252	+	display.SetBacklight(100);
253	+	display.Set(2, 0, _B("--:--:-- -- ---"));
254	+
255	+	display.Set(Running, Display::Green, 0);
256	+	display.Set(Running, Display::Red, 100);
257	+	display.Set(Audio, Display::Green, 0);
258	+	display.Set(Audio, Display::Red, 100);
259	+
260	+	uint8_t mask(Display::Up | Display::Enter | Display::Cancel | Display::Left | Display::Right | Display::Down);
261	+
262	+	display.KeyReporting(mask, mask);
263	+
264	+	Uname_();
265	+
266	+	display.Store();
267	+	display.Set(Running, Display::Green, 100);
268	+	display.Set(Running, Display::Red, 0);
269	+	}
270	+	}
271	+
272	+	void Run()
273	+	{
274	+	_forever
275	+	{
276	+	_synchronized (displayLock)
277	+	{
278	+	now = Timing::GetTimeOfDay();
279	+
280	+	if (mode != Menu)
281	+	{
282	+	char when[16];
283	+
284	+	std::strftime(when, sizeof (when), "%l:%M:%S %p %Z", std::localtime(now));
285	+
286	+	display.Set(2, 0, when);
287	+	}
288	+
289	+	if (audacious.IsRunning() && audacious.IsPlaying())
290	+	if (audacious.IsPaused())
291	+	{
292	+	if (audio != Paused)
293	+	{
294	+	display.Set(Audio, Display::Green, 100);
295	+	display.Set(Audio, Display::Red, 100);
296	+
297	+	audio = Paused;
298	+	}
299	+	}
300	+	else
301	+	{
302	+	if (audio != Playing)
303	+	{
304	+	display.Set(Audio, Display::Green, 100);
305	+	display.Set(Audio, Display::Red, 0);
306	+
307	+	audio = Playing;
308	+	}
309	+	}
310	+	else if (audio != Stopped)
311	+	{
312	+	display.Set(Audio, Display::Green, 0);
313	+	display.Set(Audio, Display::Red, 100);
314	+
315	+	audio = Stopped;
316	+	}
317	+
318	+	Mode_();
319	+	}
320	+
321	+	Timing::NanoSleep(Timing::Time(1) -= Timing::GetTimeOfDay().GetNanoseconds());
322	+	}
323	+	}
324	+
325	+	friend void Buttons(Display::KeyActivity activity, DashInterface *interface)
326	+	{
327	+	interface->Buttons(activity);
328	+	}
329	+
330	+	inline friend Mode &operator ++(Mode &mode)
331	+	{
332	+	return mode = Mode((mode + 1) % Menu);
333	+	}
334	+
335	+	inline friend Mode &operator --(Mode &mode)
336	+	{
337	+	return mode = Mode((Menu + mode - 1) % Menu);
338	+	}
339	+	};
340	+
341		int main(int argc, char *argv[])
342		{
343		std::string device;
#	Line 54 | Line 373 | usage: std::cout << _B("Usage: ") << arg
373
374		try
375		{
376	<	//enum Mode { Uname, Music, English, Metric, Nautical, Last } mode(Uname);
58	<	//Audacious audacious;
59	<	Display display(device);
60	<
61	<	display.Ping("Hello!");
62	<
63	<	std::cout << display.Version() << std::endl;
64	<
65	<	display.Store();
66	<	display.Clear();
67	<	display.SetBacklight(100);
68	<	display.KeyReporting(Display::Up | Display::Enter | Display::Cancel | Display::Left | Display::Right | Display::Down, Display::Up | Display::Enter | Display::Cancel | Display::Left | Display::Right | Display::Down);
69	<	display.Set(0, 0, _B("Hello, World!"));
70	<	display.Set(0, Display::Green, 0);
71	<	display.Set(0, Display::Red, 100);
72	<
73	<	/*GPS::GPS gps;
74	<
75	<	gps.Query(_B("o"));
376	>	DashInterface interface(device);
377
378	<	std::cout << gps.GetLatitude() << std::endl;*/
378	>	interface.Run();
379		}
380		catch (const std::exception &exception)
381		{

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