// Buzz! buzzer emulator #include "stdafx.h" #include "Buzz.h" #include "Emu/Cell/lv2/sys_usbd.h" #include "Input/pad_thread.h" LOG_CHANNEL(buzz_log, "BUZZ"); usb_device_buzz::usb_device_buzz(u32 first_controller, u32 last_controller, const std::array& location) : usb_device_emulated(location) , m_first_controller(first_controller) , m_last_controller(last_controller) { device = UsbDescriptorNode(USB_DESCRIPTOR_DEVICE, UsbDeviceDescriptor{0x0200, 0x00, 0x00, 0x00, 0x08, 0x054c, 0x0002, 0x05a1, 0x03, 0x01, 0x00, 0x01}); auto& config0 = device.add_node(UsbDescriptorNode(USB_DESCRIPTOR_CONFIG, UsbDeviceConfiguration{0x0022, 0x01, 0x01, 0x00, 0x80, 0x32})); config0.add_node(UsbDescriptorNode(USB_DESCRIPTOR_INTERFACE, UsbDeviceInterface{0x00, 0x00, 0x01, 0x03, 0x00, 0x00, 0x00})); config0.add_node(UsbDescriptorNode(USB_DESCRIPTOR_HID, UsbDeviceHID{0x0111, 0x33, 0x01, 0x22, 0x004e})); config0.add_node(UsbDescriptorNode(USB_DESCRIPTOR_ENDPOINT, UsbDeviceEndpoint{0x81, 0x03, 0x0008, 0x0A})); if (!m_cfg.load()) { buzz_log.notice("Could not load buzz config. Using defaults."); } } usb_device_buzz::~usb_device_buzz() { } void usb_device_buzz::control_transfer(u8 bmRequestType, u8 bRequest, u16 wValue, u16 wIndex, u16 wLength, u32 buf_size, u8* buf, UsbTransfer* transfer) { transfer->fake = true; // Control transfers are nearly instant switch (bmRequestType) { case 0x01: case 0x21: case 0x80: buzz_log.error("Unhandled Query: buf_size=0x%02X, Type=0x%02X, bmRequestType=0x%02X", buf_size, (buf_size > 0) ? buf[0] : -1, bmRequestType); break; default: usb_device_emulated::control_transfer(bmRequestType, bRequest, wValue, wIndex, wLength, buf_size, buf, transfer); break; } } extern bool is_input_allowed(); void usb_device_buzz::interrupt_transfer(u32 buf_size, u8* buf, u32 /*endpoint*/, UsbTransfer* transfer) { const u8 max_index = 2 + (4 + 5 * m_last_controller) / 8; ensure(buf_size > max_index); transfer->fake = true; transfer->expected_count = 5; transfer->expected_result = HC_CC_NOERR; // Interrupt transfers are slow (6ms, TODO accurate measurement) transfer->expected_time = get_timestamp() + 6000; memset(buf, 0, buf_size); // https://gist.github.com/Lewiscowles1986/eef220dac6f0549e4702393a7b9351f6 buf[0] = 0x7f; buf[1] = 0x7f; buf[2] = 0x00; buf[3] = 0x00; buf[4] = 0xf0; if (!is_input_allowed()) { return; } std::lock_guard lock(pad::g_pad_mutex); const auto handler = pad::get_current_handler(); const auto& pads = handler->GetPads(); ensure(pads.size() > m_last_controller); ensure(m_cfg.players.size() > m_last_controller); for (u32 i = m_first_controller, index = 0; i <= m_last_controller; i++, index++) { const auto& pad = pads[i]; const cfg_buzzer* cfg = m_cfg.players[i]; if (!(pad->m_port_status & CELL_PAD_STATUS_CONNECTED)) { continue; } for (const Button& button : pad->m_buttons) { if (!button.m_pressed) { continue; } if (const auto btn = cfg->find_button(button.m_offset, button.m_outKeyCode)) { switch (btn.value()) { case buzz_btn::red: buf[2 + (0 + 5 * index) / 8] |= 1 << ((0 + 5 * index) % 8); // Red break; case buzz_btn::yellow: buf[2 + (1 + 5 * index) / 8] |= 1 << ((1 + 5 * index) % 8); // Yellow break; case buzz_btn::green: buf[2 + (2 + 5 * index) / 8] |= 1 << ((2 + 5 * index) % 8); // Green break; case buzz_btn::orange: buf[2 + (3 + 5 * index) / 8] |= 1 << ((3 + 5 * index) % 8); // Orange break; case buzz_btn::blue: buf[2 + (4 + 5 * index) / 8] |= 1 << ((4 + 5 * index) % 8); // Blue break; } } } } }