Class: Rjoystick::SixAxis

Inherits:

Object

• Object
• Rjoystick::SixAxis

Defined in:

ext/rjoystick.c

Class Method Summary

• .new(path) ⇒ Object

Instance Method Summary

• #close ⇒ Object
• #get_sixaxis ⇒ Object

Class Method Details

.new(path) ⇒ Object

# File 'ext/rjoystick.c', line 222

VALUE js_six_init(VALUE klass, VALUE path)
{
	int *fh;
	if((fh = malloc(sizeof(int))) != NULL) {
		if((*fh = open(RSTRING_PTR(path), O_RDONLY)) >= 0) {
			return Data_Wrap_Struct(klass, jssix_mark, jssix_free, fh);
		} else
			rb_raise(rb_eException, "Error opening %s", RSTRING_PTR(path));
	}
	return Qnil;
}

Instance Method Details

#close ⇒ Object

# File 'ext/rjoystick.c', line 268

VALUE js_six_close(VALUE klass)
{
	int *fh;

	Data_Get_Struct(klass, int, fh);

	return INT2FIX(close(*fh));
}

#get_sixaxis ⇒ Object

# File 'ext/rjoystick.c', line 234

VALUE js_six_get_six(VALUE klass)
{
	int *fh;
	int res;
	int x = -1;
	int y = -1;
	int z = -1;
	unsigned char buf[128];
	VALUE saxis = rb_hash_new();


	Data_Get_Struct(klass, int, fh);
	if(res = read(*fh, buf, sizeof(buf))) {
		if(res == 48) {
   			x = buf[40]<<8 | buf[41];
			y = buf[42]<<8 | buf[43];
			z = buf[44]<<8 | buf[45];
		} else if(res == 49) {
			x = buf[41]<<8 | buf[42];
			y = buf[43]<<8 | buf[44];
			z = buf[45]<<8 | buf[46];
		}

		rb_hash_aset(saxis, ID2SYM(rb_intern("x")), INT2FIX(x));
		rb_hash_aset(saxis, ID2SYM(rb_intern("y")), INT2FIX(y));
		rb_hash_aset(saxis, ID2SYM(rb_intern("z")), INT2FIX(z));

		return saxis;
	} else
		rb_raise(rb_eException, "error");

	return Qnil;
}