| /* |
| * Copyright (C) 2020 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #import "config.h" |
| #import "VirtualGamepad.h" |
| |
| #if USE(APPLE_INTERNAL_SDK) |
| |
| #import <HID/HIDUserDevice.h> |
| |
| namespace TestWebKitAPI { |
| |
| const uint8_t SLTGamepadDescriptor[] = { |
| 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) |
| 0x09, 0x04, // Usage (Joystick) |
| 0xA1, 0x01, // Collection (Application) |
| 0xA1, 0x02, // Collection (Logical) |
| 0x75, 0x08, // Report Size (8) |
| 0x95, 0x05, // Report Count (5) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x26, 0xFF, 0x00, // Logical Maximum (255) |
| 0x35, 0x00, // Physical Minimum (0) |
| 0x46, 0xFF, 0x00, // Physical Maximum (255) |
| 0x09, 0x30, // Usage (X) |
| 0x09, 0x30, // Usage (X) |
| 0x09, 0x30, // Usage (X) |
| 0x09, 0x30, // Usage (X) |
| 0x09, 0x31, // Usage (Y) |
| // (5) 1 byte axes (yes, it replicates the X axis 4 times) - Total 5 bytes. |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x04, // Report Size (4) |
| 0x95, 0x01, // Report Count (1) |
| 0x25, 0x07, // Logical Maximum (7) |
| 0x46, 0x3B, 0x01, // Physical Maximum (315) |
| 0x65, 0x14, // Unit (System: English Rotation, Length: Centimeter) |
| 0x09, 0x00, // Usage (Undefined) |
| // 4 bits, unknown - Total (5) bytes (4) bits |
| 0x81, 0x42, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,Null State) |
| 0x65, 0x00, // Unit (None) |
| 0x75, 0x01, // Report Size (1) |
| 0x95, 0x0A, // Report Count (10) |
| 0x25, 0x01, // Logical Maximum (1) |
| 0x45, 0x01, // Physical Maximum (1) |
| 0x05, 0x09, // Usage Page (Button) |
| 0x19, 0x01, // Usage Minimum (0x01) |
| 0x29, 0x0A, // Usage Maximum (0x0A) |
| // (10) 1-bit buttons - Total (6) bytes (6) bits |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x06, 0x00, 0xFF, // Usage Page (Vendor Defined 0xFF00) |
| 0x75, 0x01, // Report Size (1) |
| 0x95, 0x0A, // Report Count (10) |
| 0x25, 0x01, // Logical Maximum (1) |
| 0x45, 0x01, // Physical Maximum (1) |
| 0x09, 0x01, // Usage (0x01) |
| // (10) vendor defined bits - Total (8) bytes |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0xC0, // End Collection |
| 0xA1, 0x02, // Collection (Logical) |
| 0x75, 0x08, // Report Size (8) |
| 0x95, 0x04, // Report Count (4) |
| 0x46, 0xFF, 0x00, // Physical Maximum (255) |
| 0x26, 0xFF, 0x00, // Logical Maximum (255) |
| 0x09, 0x02, // Usage (0x02) |
| 0x91, 0x02, // Output (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0xC0, // End Collection |
| 0xC0, // End Collection |
| }; |
| |
| const size_t SLTGamepadButtonCount = 10; |
| const size_t SLTGamepadAxisCount = 5; |
| const size_t SLTGamepadReportSize = 8; |
| const char* SLTGamepadName = "Virtual Shenzhen Longshengwei Technology Gamepad"; |
| |
| // Report layout: |
| // |Axis1| |Axis2| |Axis3| |Axis4| |Axis5| |b1-b4| |b5-b10| |0| |
| static void publishReportCallback(Vector<float>& buttonValues, Vector<float>& axisValues, HIDUserDevice *userDevice) |
| { |
| uint8_t reportData[SLTGamepadReportSize]; |
| |
| // First 3 report bytes are constant, no matter what the values of axis 0, 1, or 2 are. |
| reportData[0] = 0x01; |
| reportData[1] = 0x7f; |
| reportData[2] = 0x7f; |
| |
| for (size_t i = 3; i < SLTGamepadAxisCount; ++i) { |
| if (axisValues[i] <= -0.5) |
| reportData[i] = 0x00; |
| else if (axisValues[i] >= 0.5) |
| reportData[i] = 0xff; |
| else |
| reportData[i] = 0x7f; |
| } |
| |
| // The final 3 bytes of the report have the following layout: |
| // (Note, button 7 and button 8 do not physically exist on the device and tehrefore can never get activated) |
| // |b4|b3|b2|b1|1|1|1|1| |0|0|b6|b5|0|0|ba|b9| |0|0|0|0|0|0|0|0| |
| |
| uint8_t buttonByte = 0x0f; |
| long buttonBit; |
| for (size_t i = 0; i < 4; ++i) { |
| buttonBit = lround(buttonValues[i]); |
| buttonByte |= buttonBit << (4 + i); |
| } |
| reportData[5] = buttonByte; |
| |
| buttonByte = 0; |
| buttonByte |= lround(buttonValues[4]) << 4; |
| buttonByte |= lround(buttonValues[5]) << 5; |
| buttonByte |= lround(buttonValues[8]); |
| buttonByte |= lround(buttonValues[9]) << 1; |
| reportData[6] = buttonByte; |
| |
| reportData[7] = 0x00; |
| |
| auto nsReportData = adoptNS([[NSData alloc] initWithBytes:reportData length:SLTGamepadReportSize]); |
| [userDevice handleReport:nsReportData.get() error:nil]; |
| } |
| |
| GamepadMapping VirtualGamepad::shenzhenLongshengweiTechnologyGamepadMapping() |
| { |
| return { |
| SLTGamepadDescriptor, |
| sizeof(SLTGamepadDescriptor), |
| SLTGamepadName, |
| HIDVendorID::ShenzhenLongshengweiTechnology, |
| HIDProductID::Gamepad, |
| SLTGamepadButtonCount, |
| SLTGamepadAxisCount, |
| publishReportCallback |
| }; |
| } |
| |
| } // namespace TestWebKitAPI |
| |
| #endif // USE(APPLE_INTERNAL_SDK) |
