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root/truck/SteeringWheelRemote/SteeringWheelRemote.cpp

Comparing SteeringWheelRemote/SteeringWheelRemote.cpp (file contents):
Revision 4 by douglas, 2007-04-26T05:19:05-07:00 vs.
Revision 5 by douglas, 2007-05-06T09:25:28-07:00

#	Line 17 | Line 17
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;
#	Line 54 | Line 95 | int main(int argc, char *argv[])
95		//              Posix::CheckError(::daemon(0, 0));
96
97		ext::ifdstream uhid(Posix::CheckError(::open(device.c_str(), O_RDONLY)));
98	<	char buffer[8];
98	>	Buttons buttons;
99	>
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	>	if (buttons.Pressed(Buttons::Previous))
110	>	std::cout << _B("Previous ");
111	>
112	>	if (buttons.Pressed(Buttons::Next))
113	>	std::cout << _B("Next ");
114	>
115	>	if (buttons.Pressed(Buttons::VolumeDown))
116	>	std::cout << _B("VolumeDown ");
117	>
118	>	if (buttons.Pressed(Buttons::VolumeUp))
119	>	std::cout << _B("VolumeUp");
120
121	<	while (uhid.read(buffer, sizeof (buffer)))
122	<	_forall (int, index, 0, 8)
61	<	std::printf("0x%08x 0x%08x\n", buffer[3], ~buffer[4] - 0x4);
121	>	std::cout << std::endl;
122	>	}
123
124		return 0;
125		}

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