Module: MyHIDAPI

Defined in:
lib/myhidapi.rb,
ext/myhidapi/myhidapi.c

Defined Under Namespace

Classes: DeviceInfo, Handle

Constant Summary collapse

VERSION = 
'1.0.0'

Class Method Summary collapse

Class Method Details

.build_device_info(*args) ⇒ Object 



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# File 'lib/myhidapi.rb', line 25

def self.build_device_info(*args)
  DeviceInfo.new(*args)
end

.enumerate(vendor_id, product_id) ⇒ Object 



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# File 'ext/myhidapi/myhidapi.c', line 38

static VALUE
enumerate(VALUE mod, VALUE vendor_id, VALUE product_id)
{
    VALUE devices;
    struct hid_device_info *devs, *cur_dev;

    devices = rb_ary_new();
    devs = hid_enumerate(NUM2USHORT(vendor_id), NUM2USHORT(product_id));
    cur_dev = devs;
    while (cur_dev) {
	rb_ary_push(devices, rb_funcall(mMyHIDAPI, rb_intern("build_device_info"), 8,
		INT2NUM(cur_dev->vendor_id),
		INT2NUM(cur_dev->product_id),
		rb_str_new2(cur_dev->path),
		rb_wcstombs(cur_dev->serial_number),
		rb_wcstombs(cur_dev->manufacturer_string),
		rb_wcstombs(cur_dev->product_string),
		INT2NUM(cur_dev->usage),
		INT2NUM(cur_dev->interface_number)
		));
	cur_dev = cur_dev->next;
    }
    hid_free_enumeration(devs);

    return devices;
}

.open(vid, pid) ⇒ Object 



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# File 'ext/myhidapi/myhidapi.c', line 65

static VALUE
rb_hid_open(VALUE mod, VALUE vid, VALUE pid)
{
    hid_device *handle;

    handle = hid_open(NUM2USHORT(vid), NUM2USHORT(pid), NULL);

    if (handle) {
	return TypedData_Wrap_Struct(cMyHIDAPIHandle, &myhidapi_handle_type, handle);
    } else {
	return Qfalse;
    }
}

.open_path(path) ⇒ Object 



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# File 'ext/myhidapi/myhidapi.c', line 79

static VALUE
rb_hid_open_path(VALUE mod, VALUE path)
{
    hid_device *handle;

    handle = hid_open_path(StringValueCStr(path));

    if (handle) {
	return TypedData_Wrap_Struct(cMyHIDAPIHandle, &myhidapi_handle_type, handle);
    } else {
	return Qfalse;
    }
}