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root/truck/DashInterface/DashInterface.cpp

Comparing DashInterface/DashInterface.cpp (file contents):
Revision 22 by douglas, 2008-02-08T06:19:12-08:00 vs.
Revision 44 by douglas, 2008-03-06T15:21:03-08:00

#	Line 4 | Line 4
4		//
5		// $Id$
6
7	<	#include <ctime>
7	>	#include <algorithm>
8	>	#include <iomanip>
9		#include <iostream>
10	+	#include <sstream>
11
12	<	#include <unistd.h>
13	<	#include <gps.h>
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 <sys/types.h>
23	>	#include <sys/sysctl.h>
24	>	#include <sys/utsname.h>
25	>
26	>	#include "Display.hpp"
27	>	#include "MenuList.hpp"
28	>
29	>	bool debug(false);
30	>
31	>	class DashInterface
32	>	{
33	>	enum Mode { Uname, Music, English, Metric, Nautical, Menu } mode, previous;
34	>	enum { Running, Audio };
35	>	enum { Stopped, Paused, Playing } audio;
36	>	Timing::Time now;
37	>	IConv::IConv ascii;
38	>	Display display;
39	>	Pthreads::ThreadMutex displayLock;
40	>	Audacious::Audacious audacious;
41	>	//GPS::GPS gps;
42	>	MenuList *list;
43	>	bool append;
44	>
45	>	inline std::string Filter(const std::string input)
46	>	{
47	>	std::string output(ascii.Convert(input));
48	>
49	>	std::replace(output.begin(), output.end(), '~', '\xce');
50	>
51	>	return output;
52	>	}
53	>
54	>	void Mode_(bool change = false)
55	>	{
56	>	switch (mode)
57	>	{
58	>	case Uname:
59	>	return Uname_(change);
60	>	case Music:
61	>	if (audacious.IsRunning())
62	>	{
63	>	int position(audacious.GetPlaylistPosition());
64	>	std::string artist(Filter(audacious.GetTupleFieldData(_B("artist"), position)));
65	>
66	>	artist.resize(20, ' ');
67	>	display.Set(0, 1, artist);
68	>
69	>	std::string title(Filter(audacious.GetTupleFieldData(_B("title"), position)));
70	>
71	>	title.resize(20, ' ');
72	>	display.Set(0, 2, title);
73	>
74	>	int played(audacious.GetOutputTime() / 1000);
75	>	int left(audacious.GetPlaylistTime(position) / 1000 - played);
76	>	char *times;
77	>
78	>	::asprintf(&times, "%2i:%02i -%2i:%02i", played / 60, played % 60, left / 60, left % 60);
79	>
80	>	std::string times_(times);
81	>
82	>	std::free(times);
83	>
84	>	times_.resize(20, ' ');
85	>	display.Set(0, 3, times_);
86	>	}
87	>	else
88	>	{
89	>	display.Set(0, 1, std::string(20, ' '));
90	>	display.Set(0, 2, std::string(20, ' '));
91	>	display.Set(0, 3, _B(" -:-- - -:--       "));
92	>	}
93	>
94	>	return;
95	>	case English:
96	>	case Metric:
97	>	case Nautical:
98	>	display.Set(0, 1, _B("STUB: GPS ") + (mode == English ? _B("English   ") : mode == Metric ? _B("Metric    ") : _B("Nautical  ")));
99	>	display.Set(0, 2, std::string(20, ' '));
100	>	display.Set(0, 3, std::string(20, ' '));
101	>
102	>	return;
103	>	case Menu:
104	>	if (change)
105	>	{
106	>	display.SetCursorStyle(Display::InvertingBlinkingBlock);
107	>
108	>	append = true;
109	>	list = new TopList(display, audacious, append);
110	>
111	>	list->Render();
112	>	}
113	>	}
114	>	}
115	>
116	>	void Uname_(bool change = false)
117	>	{
118	>	if (!now || change)
119	>	{
120	>	utsname os;
121	>
122	>	::uname(&os);
123	>
124	>	static Pcre::RegEx version(_B("^(\\d+\\.\\d+)-([A-Z])[A-Z]*(-p\\d+)?.*$"));
125	>	Pcre::RegEx::Match match(version(os.release));
126	>	std::string name(os.sysname + _B(" ") + match[1] + match[2] + match[3]);
127	>
128	>	name.resize(20, ' ');
129	>	display.Set(0, 1, name);
130	>	}
131	>
132	>	int mib[] = { CTL_KERN, KERN_BOOTTIME };
133	>	timeval boottime;
134	>	size_t size(sizeof (boottime));
135	>
136	>	if (now && ::sysctl(mib, 2, &boottime, &size, NULL, 0) != -1 && boottime.tv_sec != 0)
137	>	{
138	>	time_t uptime(now - boottime.tv_sec);
139	>
140	>	if (uptime > 60)
141	>	uptime += 30;
142	>
143	>	char *when;
144	>	int days(uptime / 86400);
145	>
146	>	uptime %= 86400;
147	>
148	>	int hours(uptime / 3600);
149	>
150	>	uptime %= 3600;
151	>
152	>	int minutes(uptime / 60), seconds(uptime % 60);
153	>
154	>	::asprintf(&when, "%i+%02i:%02i:%02i", days, hours, minutes, seconds);
155	>
156	>	std::string then(when);
157	>
158	>	std::free(when);
159	>
160	>	then.resize(17, ' ');
161	>
162	>	if (change)
163	>	display.Set(0, 2, _B("up ") + then);
164	>	else
165	>	display.Set(3, 2, then);
166	>	}
167	>	else
168	>	display.Set(0, 2, _B("up -+--:--:--       "));
169	>
170	>	double averages[3];
171	>
172	>	if (::getloadavg(averages, 3) == -1 || !now)
173	>	display.Set(0, 3, _B("-.--, -.--, -.--    "));
174	>	else
175	>	{
176	>	char *load;
177	>
178	>	::asprintf(&load, "%.2f, %.2f, %.2f", averages[0], averages[1] , averages[2]);
179	>
180	>	std::string load_(load);
181	>
182	>	std::free(load);
183	>
184	>	load_.resize(20, ' ');
185	>	display.Set(0, 3, load_);
186	>	}
187	>	}
188	>
189	>	void Buttons(Display::KeyActivity activity)
190	>	{
191	>	_synchronized (displayLock)
192	>	if (mode != Menu)
193	>	{
194	>	bool change(false);
195	>
196	>	switch (activity)
197	>	{
198	>	case Display::UpPress:
199	>	--mode;
200	>
201	>	goto change;
202	>	case Display::DownPress:
203	>	++mode;
204	>
205	>	goto change;
206	>	case Display::LeftPress:
207	>	if (audacious.IsRunning())
208	>	audacious.PlaylistPrevious();
209	>
210	>	goto update;
211	>	case Display::RightPress:
212	>	if (audacious.IsRunning())
213	>	audacious.PlaylistNext();
214	>
215	>	goto update;
216	>	case Display::EnterPress:
217	>	previous = mode;
218	>	mode = Menu;
219	>
220	>	goto change;
221	>	case Display::ExitPress:
222	>	if (audacious.IsRunning())
223	>	audacious.PlayPause();
224	>
225	>	goto update;
226	>	default:
227	>	return;
228	>	}
229	>
230	>	change:                 change = true;
231	>
232	>	update:                 Mode_(change);
233	>	}
234	>	else
235	>	switch (activity)
236	>	{
237	>	case Display::UpPress:
238	>	return (++*list).Render();
239	>	case Display::DownPress:
240	>	return (--*list).Render();
241	>	case Display::LeftPress:
242	>	list = list->Left();
243	>
244	>	goto render;
245	>	case Display::RightPress:
246	>	list = list->Right();
247	>
248	>	goto render;
249	>	case Display::EnterPress:
250	>	list = list->Enter();
251	>
252	>	render:                         if (list != NULL)
253	>	return list->Render();
254	>
255	>	goto exit;
256	>	case Display::ExitPress:
257	>	delete list;
258	>
259	>	exit:                           mode = previous;
260	>
261	>	display.SetCursorStyle(Display::NoCursor);
262	>	display.Set(0, 0, _B("  "));
263	>	display.Set(18, 0, _B("  "));
264	>
265	>	Mode_(true);
266	>	default:
267	>	return;
268	>	}
269	>	}
270	>
271	>	public:
272	>	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)
273	>	{
274	>	_synchronized (displayLock)
275	>	{
276	>	display.Clear();
277	>	display.SetBacklight(100);
278	>	display.Set(2, 0, _B("--:--:-- -- ---"));
279	>
280	>	display.Set(Running, Display::Green, 0);
281	>	display.Set(Running, Display::Red, 100);
282	>	display.Set(Audio, Display::Green, 0);
283	>	display.Set(Audio, Display::Red, 100);
284	>
285	>	uint8_t mask(Display::Up | Display::Enter | Display::Cancel | Display::Left | Display::Right | Display::Down);
286	>
287	>	display.KeyReporting(mask, mask);
288	>
289	>	Uname_();
290	>
291	>	display.Store();
292	>	display.Set(Running, Display::Green, 100);
293	>	display.Set(Running, Display::Red, 0);
294	>	}
295	>	}
296	>
297	>	void Run()
298	>	{
299	>	_forever
300	>	{
301	>	_synchronized (displayLock)
302	>	{
303	>	now = Timing::GetTimeOfDay();
304	>
305	>	if (mode != Menu)
306	>	{
307	>	char when[16];
308	>
309	>	std::strftime(when, sizeof (when), "%l:%M:%S %p %Z", std::localtime(now));
310	>
311	>	display.Set(2, 0, when);
312	>	}
313	>
314	>	if (audacious.IsRunning() && audacious.IsPlaying())
315	>	if (audacious.IsPaused())
316	>	{
317	>	if (audio != Paused)
318	>	{
319	>	display.Set(Audio, Display::Green, 100);
320	>	display.Set(Audio, Display::Red, 100);
321	>
322	>	audio = Paused;
323	>	}
324	>	}
325	>	else
326	>	{
327	>	if (audio != Playing)
328	>	{
329	>	display.Set(Audio, Display::Green, 100);
330	>	display.Set(Audio, Display::Red, 0);
331	>
332	>	audio = Playing;
333	>	}
334	>	}
335	>	else if (audio != Stopped)
336	>	{
337	>	display.Set(Audio, Display::Green, 0);
338	>	display.Set(Audio, Display::Red, 100);
339	>
340	>	audio = Stopped;
341	>	}
342	>
343	>	Mode_();
344	>	}
345	>
346	>	Timing::NanoSleep(Timing::Time(1) -= Timing::GetTimeOfDay().GetNanoseconds());
347	>	}
348	>	}
349	>
350	>	friend void Buttons(Display::KeyActivity activity, DashInterface *interface)
351	>	{
352	>	interface->Buttons(activity);
353	>	}
354	>
355	>	inline friend Mode &operator ++(Mode &mode)
356	>	{
357	>	return mode = Mode((mode + 1) % Menu);
358	>	}
359	>
360	>	inline friend Mode &operator --(Mode &mode)
361	>	{
362	>	return mode = Mode((Menu + mode - 1) % Menu);
363	>	}
364	>	};
365
366		int main(int argc, char *argv[])
367		{
368	+	std::string device;
369	+
370	+	{
371	+	Pcre::RegEx devicePath(_B("^-device=(/.+)$"));
372	+	Pcre::RegEx deviceNumber(_B("^-device=([0-9]+)$"));
373	+	Pcre::RegEx deviceName(_B("^-device=(.+)$"));
374	+
375	+	for (char **arg = argv + 1; *arg; ++arg)
376	+	{
377	+	Pcre::RegEx::Match match;
378	+
379	+	if (*arg == _B("-debug"))
380	+	debug = true;
381	+	else if (match = devicePath(*arg))
382	+	device = match[1];
383	+	else if (match = deviceNumber(*arg))
384	+	device = _B("/dev/cuaU") + match[1];
385	+	else if (match = deviceName(*arg))
386	+	device = _B("/dev/") + match[1];
387	+	else
388	+	goto usage;
389	+	}
390	+	}
391	+
392	+	if (device.empty())
393	+	{
394	+	usage:  std::cout << _B("Usage: ") << argv[0] << _B(" [-debug] [-device=device]") << std::endl;
395	+
396	+	return 2;
397	+	}
398	+
399	+	try
400	+	{
401	+	DashInterface interface(device);
402	+
403	+	interface.Run();
404	+	}
405	+	catch (const std::exception &exception)
406	+	{
407	+	std::cerr << argv[0] << _B(": ") << exception.what() << std::endl;
408	+
409	+	return 1;
410	+	}
411	+
412		return 0;
413		}

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