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root/truck/SteeringWheelRemote/SteeringWheelRemote.cpp

Comparing SteeringWheelRemote/SteeringWheelRemote.cpp (file contents):
Revision 1 by douglas, 2007-04-25T18:29:45-07:00 vs.
Revision 5 by douglas, 2007-05-06T09:25:28-07:00

#	Line 4 | Line 4
4		//
5		// $Id$
6
7	–	#include <cassert>
7		#include <iostream>
9	–	#include <sstream>
8		#include <string>
9
10	<	#include <dev/usb/usb.h>
13	<	#include <dev/usb/usbhid.h>
10	>	#include <err.h>
11		#include <fcntl.h>
12		#include <sys/ioctl.h>
13	<	#include <usbhid.h>
13	>
14	>	#include <common.hpp>
15	>	#include <fdstream.hpp>
16	>	#include <foreach.hpp>
17	>	#include <posix.hpp>
18	>	#include <regex.hpp>
19	>
20	>	struct Buttons
21	>	{
22	>	// XXX: this is probably little endian!
23	>	enum Mask
24	>	{
25	>	None = 0xfb00,
26	>	PlayPause = 0x0101,
27	>	Previous = 0x1010,
28	>	Next = 0x0808,
29	>	VolumeDown = 0x0c04,
30	>	VolumeUp = 0x0202
31	>	};
32	>
33	>	private:
34	>	uint16_t buttons;
35	>
36	>	public:
37	>	inline bool Pressed(Mask mask) const
38	>	{
39	>	return ((buttons ^ None) & mask) == mask;
40	>	}
41	>
42	>	inline operator uint16_t() const
43	>	{
44	>	return buttons;
45	>	}
46	>
47	>	friend std::istream &operator>>(std::istream &, Buttons &);
48	>	};
49	>
50	>	inline std::istream &operator>>(std::istream &input, Buttons &buttons)
51	>	{
52	>	if (!input.ignore(3))
53	>	return input;
54	>
55	>	if (!input.read(reinterpret_cast<char *>(&buttons.buttons), sizeof (buttons.buttons)))
56	>	return input;
57	>
58	>	return input.ignore(3);
59	>	}
60	>
61	>	int Usage(const std::string &program)
62	>	{
63	>	std::cout << _B("Usage: ") << program << _B(" [-debug] [-device=device]") << std::endl;
64	>
65	>	return 1;
66	>	}
67
68		int main(int argc, char *argv[])
69		{
70	<	for (unsigned number(0); true; ++number)
70	>	bool debug(false);
71	>	std::string device;
72	>
73		{
74	<	std::ostringstream device;
74	>	Pcre::RegEx devicePath(_B("^-device=(/.+)$"));
75	>	Pcre::RegEx deviceNumber(_B("^-device=([0-9]+)$"));
76	>	Pcre::RegEx deviceName(_B("^-device=(.+)$"));
77	>
78	>	_forall (int, index, 1, argc)
79	>	if (argv[index] == _B("-debug"))
80	>	debug = true;
81	>	else if (Pcre::RegEx::Match match = devicePath(argv[index]))
82	>	device = match[1];
83	>	else if (Pcre::RegEx::Match match = deviceNumber(argv[index]))
84	>	device = _B("/dev/uhid") + match[1];
85	>	else if (Pcre::RegEx::Match match = deviceName(argv[index]))
86	>	device = _B("/dev/") + match[1];
87	>	else
88	>	return Usage(argv[0]);
89	>	}
90	>
91	>	if (device.empty())
92	>	return Usage(argv[0]);
93
94	<	device << "/dev/usb" << number;
94	>	//      if (!debug)
95	>	//              Posix::CheckError(::daemon(0, 0));
96
97	<	int usb(::open(device.str().c_str(), O_RDONLY));
97	>	ext::ifdstream uhid(Posix::CheckError(::open(device.c_str(), O_RDONLY)));
98	>	Buttons buttons;
99
100	<	if (usb == -1)
100	>	while (uhid >> buttons)
101	>	switch (buttons)
102	>	{
103	>	case Buttons::None:
104		break;
105	+	default:
106	+	if (buttons.Pressed(Buttons::PlayPause))
107	+	std::cout << _B("PlayPause ");
108
109	<	usb_device_info info;
109	>	if (buttons.Pressed(Buttons::Previous))
110	>	std::cout << _B("Previous ");
111
112	<	info.udi_addr = 1;
112	>	if (buttons.Pressed(Buttons::Next))
113	>	std::cout << _B("Next ");
114
115	<	assert(::ioctl(usb, USB_DEVICEINFO, &info) != -1);
115	>	if (buttons.Pressed(Buttons::VolumeDown))
116	>	std::cout << _B("VolumeDown ");
117
118	<	for (unsigned port(0); port != info.udi_nports; ++port)
119	<	std::cerr << unsigned(info.udi_ports[port]) << std::endl;
118	>	if (buttons.Pressed(Buttons::VolumeUp))
119	>	std::cout << _B("VolumeUp");
120
121	<	::close(usb);
122	<	}
121	>	std::cout << std::endl;
122	>	}
123
124		return 0;
125		}

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