mirror of
https://github.com/MickGyver/DaemonBite-Retro-Controllers-USB
synced 2024-12-04 15:12:17 -05:00
154 lines
5.0 KiB
C++
154 lines
5.0 KiB
C++
/* Gamepad.cpp
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*
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* Based on the advanced HID library for Arduino:
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* https://github.com/NicoHood/HID
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* Copyright (c) 2014-2015 NicoHood
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*
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* Copyright (c) 2020 Mikael Norrgård <http://daemonbite.com>
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*
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* GNU GENERAL PUBLIC LICENSE
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* Version 3, 29 June 2007
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#include "Gamepad.h"
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static const uint8_t _hidReportDescriptor[] PROGMEM = {
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0x05, 0x01, // USAGE_PAGE (Generic Desktop)
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0x09, 0x04, // USAGE (Joystick) (Maybe change to gamepad? I don't think so but...)
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0xa1, 0x01, // COLLECTION (Application)
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0xa1, 0x00, // COLLECTION (Physical)
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0x05, 0x09, // USAGE_PAGE (Button)
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0x19, 0x01, // USAGE_MINIMUM (Button 1)
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0x29, 0x08, // USAGE_MAXIMUM (Button 8)
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0x15, 0x00, // LOGICAL_MINIMUM (0)
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0x25, 0x01, // LOGICAL_MAXIMUM (1)
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0x95, 0x08, // REPORT_COUNT (8)
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0x75, 0x01, // REPORT_SIZE (1)
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0x81, 0x02, // INPUT (Data,Var,Abs)
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0x05, 0x01, // USAGE_PAGE (Generic Desktop)
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0x09, 0x01, // USAGE (pointer)
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0xa1, 0x00, // COLLECTION (Physical)
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0x09, 0x30, // USAGE (X)
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0x09, 0x31, // USAGE (Y)
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0x15, 0xff, // LOGICAL_MINIMUM (-1)
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0x25, 0x01, // LOGICAL_MAXIMUM (1)
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0x95, 0x02, // REPORT_COUNT (2)
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0x75, 0x08, // REPORT_SIZE (8)
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0x81, 0x02, // INPUT (Data,Var,Abs)
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0xc0, // END_COLLECTION
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0xc0, // END_COLLECTION
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0xc0, // END_COLLECTION
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};
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Gamepad_::Gamepad_(void) : PluggableUSBModule(1, 1, epType), protocol(HID_REPORT_PROTOCOL), idle(1)
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{
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epType[0] = EP_TYPE_INTERRUPT_IN;
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PluggableUSB().plug(this);
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}
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int Gamepad_::getInterface(uint8_t* interfaceCount)
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{
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*interfaceCount += 1; // uses 1
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HIDDescriptor hidInterface = {
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D_INTERFACE(pluggedInterface, 1, USB_DEVICE_CLASS_HUMAN_INTERFACE, HID_SUBCLASS_NONE, HID_PROTOCOL_NONE),
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D_HIDREPORT(sizeof(_hidReportDescriptor)),
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D_ENDPOINT(USB_ENDPOINT_IN(pluggedEndpoint), USB_ENDPOINT_TYPE_INTERRUPT, USB_EP_SIZE, 0x01)
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};
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return USB_SendControl(0, &hidInterface, sizeof(hidInterface));
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}
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int Gamepad_::getDescriptor(USBSetup& setup)
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{
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// Check if this is a HID Class Descriptor request
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if (setup.bmRequestType != REQUEST_DEVICETOHOST_STANDARD_INTERFACE) { return 0; }
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if (setup.wValueH != HID_REPORT_DESCRIPTOR_TYPE) { return 0; }
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// In a HID Class Descriptor wIndex cointains the interface number
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if (setup.wIndex != pluggedInterface) { return 0; }
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// Reset the protocol on reenumeration. Normally the host should not assume the state of the protocol
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// due to the USB specs, but Windows and Linux just assumes its in report mode.
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protocol = HID_REPORT_PROTOCOL;
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return USB_SendControl(TRANSFER_PGM, _hidReportDescriptor, sizeof(_hidReportDescriptor));
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}
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bool Gamepad_::setup(USBSetup& setup)
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{
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if (pluggedInterface != setup.wIndex) {
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return false;
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}
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uint8_t request = setup.bRequest;
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uint8_t requestType = setup.bmRequestType;
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if (requestType == REQUEST_DEVICETOHOST_CLASS_INTERFACE)
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{
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if (request == HID_GET_REPORT) {
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// TODO: HID_GetReport();
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return true;
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}
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if (request == HID_GET_PROTOCOL) {
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// TODO: Send8(protocol);
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return true;
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}
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}
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if (requestType == REQUEST_HOSTTODEVICE_CLASS_INTERFACE)
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{
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if (request == HID_SET_PROTOCOL) {
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protocol = setup.wValueL;
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return true;
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}
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if (request == HID_SET_IDLE) {
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idle = setup.wValueL;
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return true;
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}
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if (request == HID_SET_REPORT)
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{
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}
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}
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return false;
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}
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void Gamepad_::reset()
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{
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_GamepadReport.X = 0;
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_GamepadReport.Y = 0;
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_GamepadReport.buttons = 0;
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this->send();
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}
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void Gamepad_::send()
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{
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USB_Send(pluggedEndpoint | TRANSFER_RELEASE, &_GamepadReport, sizeof(GamepadReport));
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}
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uint8_t Gamepad_::getShortName(char *name)
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{
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if(!next)
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{
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strcpy(name, gp_serial);
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return strlen(name);
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}
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return 0;
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}
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