public void Devices_HIDsIgnoreUnusedExcessElements()
{
var hidDescriptor = new HID.HIDDeviceDescriptor
{
usage = (int)HID.GenericDesktop.MultiAxisController,
usagePage = HID.UsagePage.GenericDesktop,
inputReportSize = 36,
elements = new[]
{
new HID.HIDElementDescriptor {
usage = (int)HID.GenericDesktop.X, usagePage = HID.UsagePage.GenericDesktop, reportType = HID.HIDReportType.Input, reportId = 1, reportSizeInBits = 32
},
new HID.HIDElementDescriptor {
usage = 0x23435, usagePage = (HID.UsagePage) 0x544314, reportType = HID.HIDReportType.Input, reportId = 1, reportSizeInBits = 32
}
}
};
InputSystem.ReportAvailableDevice(
new InputDeviceDescription
{
interfaceName = HID.kHIDInterface,
product = "MyHIDThing",
capabilities = hidDescriptor.ToJson()
});
var device = InputSystem.devices.First(x => x is HID);
Assert.That(device.stateBlock.sizeInBits, Is.EqualTo(32));
}
public void Devices_CanGetDescriptorFromHID()
{
var hidDescriptor = new HID.HIDDeviceDescriptor
{
usage = (int)HID.GenericDesktop.MultiAxisController,
usagePage = HID.UsagePage.GenericDesktop,
productId = 1234,
vendorId = 5678,
elements = new[]
{
new HID.HIDElementDescriptor {
usage = (int)HID.GenericDesktop.X, usagePage = HID.UsagePage.GenericDesktop, reportType = HID.HIDReportType.Input, reportId = 1, reportSizeInBits = 32
},
}
};
InputSystem.ReportAvailableDevice(
new InputDeviceDescription
{
interfaceName = HID.kHIDInterface,
product = "MyHIDThing",
capabilities = hidDescriptor.ToJson()
});
var device = (HID)InputSystem.devices.First(x => x is HID);
Assert.That(device.hidDescriptor.productId, Is.EqualTo(1234));
Assert.That(device.hidDescriptor.vendorId, Is.EqualTo(5678));
Assert.That(device.hidDescriptor.elements.Length, Is.EqualTo(1));
}
public void Devices_CanCreateGenericHID()
{
// Construct a HID descriptor for a bogus multi-axis controller.
var hidDescriptor = new HID.HIDDeviceDescriptor
{
usage = (int)HID.GenericDesktop.MultiAxisController,
usagePage = HID.UsagePage.GenericDesktop,
elements = new[]
{
// 16bit X and Y axes.
new HID.HIDElementDescriptor {
usage = (int)HID.GenericDesktop.X, usagePage = HID.UsagePage.GenericDesktop, reportType = HID.HIDReportType.Input, reportId = 1, reportSizeInBits = 16
},
new HID.HIDElementDescriptor {
usage = (int)HID.GenericDesktop.Y, usagePage = HID.UsagePage.GenericDesktop, reportType = HID.HIDReportType.Input, reportId = 1, reportSizeInBits = 16
},
// 1bit primary and secondary buttons.
new HID.HIDElementDescriptor {
usage = (int)HID.Button.Primary, usagePage = HID.UsagePage.Button, reportType = HID.HIDReportType.Input, reportId = 1, reportSizeInBits = 1
},
new HID.HIDElementDescriptor {
usage = (int)HID.Button.Secondary, usagePage = HID.UsagePage.Button, reportType = HID.HIDReportType.Input, reportId = 1, reportSizeInBits = 1
},
}
};
InputSystem.ReportAvailableDevice(
new InputDeviceDescription
{
interfaceName = HID.kHIDInterface,
product = "MyHIDThing",
capabilities = hidDescriptor.ToJson()
});
Assert.That(InputSystem.devices, Has.Count.EqualTo(1));
var device = InputSystem.devices[0];
Assert.That(device.description.interfaceName, Is.EqualTo(HID.kHIDInterface));
Assert.That(device.children, Has.Count.EqualTo(4));
Assert.That(device.children, Has.Exactly(1).With.Property("name").EqualTo("X").And.TypeOf <AxisControl>());
Assert.That(device.children, Has.Exactly(1).With.Property("name").EqualTo("Y").And.TypeOf <AxisControl>());
Assert.That(device.children, Has.Exactly(1).With.Property("name").EqualTo("button1").And.TypeOf <ButtonControl>());
Assert.That(device.children, Has.Exactly(1).With.Property("name").EqualTo("button2").And.TypeOf <ButtonControl>());
var x = device["X"];
var y = device["Y"];
var button1 = device["button1"];
var button2 = device["button2"];
Assert.That(device.stateBlock.sizeInBits, Is.EqualTo(5 * 8));
Assert.That(x.stateBlock.byteOffset, Is.Zero);
Assert.That(y.stateBlock.byteOffset, Is.EqualTo(2));
Assert.That(x.stateBlock.bitOffset, Is.Zero);
Assert.That(y.stateBlock.bitOffset, Is.Zero);
Assert.That(button1.stateBlock.byteOffset, Is.EqualTo(4));
Assert.That(button2.stateBlock.byteOffset, Is.EqualTo(4));
Assert.That(button1.stateBlock.bitOffset, Is.EqualTo(0));
Assert.That(button2.stateBlock.bitOffset, Is.EqualTo(1));
}