362 lines
13 KiB
C++
362 lines
13 KiB
C++
/* Copyright (C) 2012 Kristian Lauszus, TKJ Electronics. All rights reserved.
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This software may be distributed and modified under the terms of the GNU
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General Public License version 2 (GPL2) as published by the Free Software
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Foundation and appearing in the file GPL2.TXT included in the packaging of
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this file. Please note that GPL2 Section 2[b] requires that all works based
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on this software must also be made publicly available under the terms of
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the GPL2 ("Copyleft").
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Contact information
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-------------------
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Kristian Lauszus, TKJ Electronics
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Web : http://www.tkjelectronics.com
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e-mail : kristianl@tkjelectronics.com
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*/
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#include "XBOXUSB.h"
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// To enable serial debugging see "settings.h"
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//#define EXTRADEBUG // Uncomment to get even more debugging data
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//#define PRINTREPORT // Uncomment to print the report send by the Xbox 360 Controller
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XBOXUSB::XBOXUSB(USB *p) :
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pUsb(p), // pointer to USB class instance - mandatory
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bAddress(0), // device address - mandatory
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bPollEnable(false) { // don't start polling before dongle is connected
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for(uint8_t i = 0; i < XBOX_MAX_ENDPOINTS; i++) {
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epInfo[i].epAddr = 0;
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epInfo[i].maxPktSize = (i) ? 0 : 8;
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epInfo[i].epAttribs = 0;
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epInfo[i].bmNakPower = (i) ? USB_NAK_NOWAIT : USB_NAK_MAX_POWER;
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}
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if(pUsb) // register in USB subsystem
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pUsb->RegisterDeviceClass(this); //set devConfig[] entry
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}
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uint8_t XBOXUSB::Init(uint8_t parent, uint8_t port, bool lowspeed) {
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uint8_t buf[sizeof (USB_DEVICE_DESCRIPTOR)];
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USB_DEVICE_DESCRIPTOR * udd = reinterpret_cast<USB_DEVICE_DESCRIPTOR*>(buf);
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uint8_t rcode;
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UsbDevice *p = NULL;
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EpInfo *oldep_ptr = NULL;
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uint16_t PID;
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uint16_t VID;
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// get memory address of USB device address pool
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AddressPool &addrPool = pUsb->GetAddressPool();
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#ifdef EXTRADEBUG
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Notify(PSTR("\r\nXBOXUSB Init"), 0x80);
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#endif
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// check if address has already been assigned to an instance
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if(bAddress) {
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#ifdef DEBUG_USB_HOST
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Notify(PSTR("\r\nAddress in use"), 0x80);
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#endif
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return USB_ERROR_CLASS_INSTANCE_ALREADY_IN_USE;
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}
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// Get pointer to pseudo device with address 0 assigned
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p = addrPool.GetUsbDevicePtr(0);
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if(!p) {
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#ifdef DEBUG_USB_HOST
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Notify(PSTR("\r\nAddress not found"), 0x80);
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#endif
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return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL;
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}
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if(!p->epinfo) {
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#ifdef DEBUG_USB_HOST
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Notify(PSTR("\r\nepinfo is null"), 0x80);
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#endif
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return USB_ERROR_EPINFO_IS_NULL;
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}
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// Save old pointer to EP_RECORD of address 0
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oldep_ptr = p->epinfo;
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// Temporary assign new pointer to epInfo to p->epinfo in order to avoid toggle inconsistence
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p->epinfo = epInfo;
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p->lowspeed = lowspeed;
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// Get device descriptor
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rcode = pUsb->getDevDescr(0, 0, sizeof (USB_DEVICE_DESCRIPTOR), (uint8_t*)buf); // Get device descriptor - addr, ep, nbytes, data
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// Restore p->epinfo
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p->epinfo = oldep_ptr;
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if(rcode)
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goto FailGetDevDescr;
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VID = udd->idVendor;
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PID = udd->idProduct;
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if(VID != XBOX_VID && VID != MADCATZ_VID && VID != JOYTECH_VID && VID != GAMESTOP_VID) // Check VID
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goto FailUnknownDevice;
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if(PID == XBOX_WIRELESS_PID) {
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#ifdef DEBUG_USB_HOST
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Notify(PSTR("\r\nYou have plugged in a wireless Xbox 360 controller - it doesn't support USB communication"), 0x80);
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#endif
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goto FailUnknownDevice;
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} else if(PID == XBOX_WIRELESS_RECEIVER_PID || PID == XBOX_WIRELESS_RECEIVER_THIRD_PARTY_PID) {
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#ifdef DEBUG_USB_HOST
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Notify(PSTR("\r\nThis library only supports Xbox 360 controllers via USB"), 0x80);
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#endif
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goto FailUnknownDevice;
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} else if(PID != XBOX_WIRED_PID && PID != MADCATZ_WIRED_PID && PID != GAMESTOP_WIRED_PID && PID != AFTERGLOW_WIRED_PID && PID != JOYTECH_WIRED_PID) // Check PID
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goto FailUnknownDevice;
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// Allocate new address according to device class
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bAddress = addrPool.AllocAddress(parent, false, port);
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if(!bAddress)
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return USB_ERROR_OUT_OF_ADDRESS_SPACE_IN_POOL;
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// Extract Max Packet Size from device descriptor
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epInfo[0].maxPktSize = udd->bMaxPacketSize0;
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// Assign new address to the device
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rcode = pUsb->setAddr(0, 0, bAddress);
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if(rcode) {
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p->lowspeed = false;
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addrPool.FreeAddress(bAddress);
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bAddress = 0;
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#ifdef DEBUG_USB_HOST
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Notify(PSTR("\r\nsetAddr: "), 0x80);
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D_PrintHex<uint8_t > (rcode, 0x80);
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#endif
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return rcode;
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}
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#ifdef EXTRADEBUG
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Notify(PSTR("\r\nAddr: "), 0x80);
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D_PrintHex<uint8_t > (bAddress, 0x80);
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#endif
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//delay(300); // Spec says you should wait at least 200ms
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p->lowspeed = false;
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//get pointer to assigned address record
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p = addrPool.GetUsbDevicePtr(bAddress);
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if(!p)
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return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL;
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p->lowspeed = lowspeed;
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// Assign epInfo to epinfo pointer - only EP0 is known
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rcode = pUsb->setEpInfoEntry(bAddress, 1, epInfo);
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if(rcode)
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goto FailSetDevTblEntry;
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/* The application will work in reduced host mode, so we can save program and data
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memory space. After verifying the VID we will use known values for the
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configuration values for device, interface, endpoints and HID for the XBOX360 Controllers */
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/* Initialize data structures for endpoints of device */
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epInfo[ XBOX_INPUT_PIPE ].epAddr = 0x01; // XBOX 360 report endpoint
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epInfo[ XBOX_INPUT_PIPE ].epAttribs = USB_TRANSFER_TYPE_INTERRUPT;
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epInfo[ XBOX_INPUT_PIPE ].bmNakPower = USB_NAK_NOWAIT; // Only poll once for interrupt endpoints
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epInfo[ XBOX_INPUT_PIPE ].maxPktSize = EP_MAXPKTSIZE;
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epInfo[ XBOX_INPUT_PIPE ].bmSndToggle = 0;
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epInfo[ XBOX_INPUT_PIPE ].bmRcvToggle = 0;
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epInfo[ XBOX_OUTPUT_PIPE ].epAddr = 0x02; // XBOX 360 output endpoint
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epInfo[ XBOX_OUTPUT_PIPE ].epAttribs = USB_TRANSFER_TYPE_INTERRUPT;
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epInfo[ XBOX_OUTPUT_PIPE ].bmNakPower = USB_NAK_NOWAIT; // Only poll once for interrupt endpoints
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epInfo[ XBOX_OUTPUT_PIPE ].maxPktSize = EP_MAXPKTSIZE;
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epInfo[ XBOX_OUTPUT_PIPE ].bmSndToggle = 0;
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epInfo[ XBOX_OUTPUT_PIPE ].bmRcvToggle = 0;
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rcode = pUsb->setEpInfoEntry(bAddress, 3, epInfo);
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if(rcode)
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goto FailSetDevTblEntry;
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delay(200); // Give time for address change
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rcode = pUsb->setConf(bAddress, epInfo[ XBOX_CONTROL_PIPE ].epAddr, 1);
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if(rcode)
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goto FailSetConfDescr;
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#ifdef DEBUG_USB_HOST
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Notify(PSTR("\r\nXbox 360 Controller Connected\r\n"), 0x80);
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#endif
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onInit();
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Xbox360Connected = true;
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bPollEnable = true;
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return 0; // Successful configuration
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/* Diagnostic messages */
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FailGetDevDescr:
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#ifdef DEBUG_USB_HOST
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NotifyFailGetDevDescr();
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goto Fail;
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#endif
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FailSetDevTblEntry:
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#ifdef DEBUG_USB_HOST
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NotifyFailSetDevTblEntry();
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goto Fail;
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#endif
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FailSetConfDescr:
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#ifdef DEBUG_USB_HOST
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NotifyFailSetConfDescr();
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#endif
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goto Fail;
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FailUnknownDevice:
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#ifdef DEBUG_USB_HOST
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NotifyFailUnknownDevice(VID, PID);
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#endif
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rcode = USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED;
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Fail:
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#ifdef DEBUG_USB_HOST
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Notify(PSTR("\r\nXbox 360 Init Failed, error code: "), 0x80);
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NotifyFail(rcode);
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#endif
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Release();
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return rcode;
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}
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/* Performs a cleanup after failed Init() attempt */
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uint8_t XBOXUSB::Release() {
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Xbox360Connected = false;
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pUsb->GetAddressPool().FreeAddress(bAddress);
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bAddress = 0;
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bPollEnable = false;
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return 0;
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}
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uint8_t XBOXUSB::Poll() {
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if(!bPollEnable)
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return 0;
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uint16_t BUFFER_SIZE = EP_MAXPKTSIZE;
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pUsb->inTransfer(bAddress, epInfo[ XBOX_INPUT_PIPE ].epAddr, &BUFFER_SIZE, readBuf); // input on endpoint 1
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readReport();
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#ifdef PRINTREPORT
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printReport(); // Uncomment "#define PRINTREPORT" to print the report send by the Xbox 360 Controller
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#endif
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return 0;
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}
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void XBOXUSB::readReport() {
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if(readBuf == NULL)
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return;
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if(readBuf[0] != 0x00 || readBuf[1] != 0x14) { // Check if it's the correct report - the controller also sends different status reports
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return;
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}
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ButtonState = (uint32_t)(readBuf[5] | ((uint16_t)readBuf[4] << 8) | ((uint32_t)readBuf[3] << 16) | ((uint32_t)readBuf[2] << 24));
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hatValue[LeftHatX] = (int16_t)(((uint16_t)readBuf[7] << 8) | readBuf[6]);
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hatValue[LeftHatY] = (int16_t)(((uint16_t)readBuf[9] << 8) | readBuf[8]);
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hatValue[RightHatX] = (int16_t)(((uint16_t)readBuf[11] << 8) | readBuf[10]);
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hatValue[RightHatY] = (int16_t)(((uint16_t)readBuf[13] << 8) | readBuf[12]);
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//Notify(PSTR("\r\nButtonState"), 0x80);
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//PrintHex<uint32_t>(ButtonState, 0x80);
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if(ButtonState != OldButtonState) {
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ButtonClickState = (ButtonState >> 16) & ((~OldButtonState) >> 16); // Update click state variable, but don't include the two trigger buttons L2 and R2
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if(((uint8_t)OldButtonState) == 0 && ((uint8_t)ButtonState) != 0) // The L2 and R2 buttons are special as they are analog buttons
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R2Clicked = true;
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if((uint8_t)(OldButtonState >> 8) == 0 && (uint8_t)(ButtonState >> 8) != 0)
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L2Clicked = true;
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OldButtonState = ButtonState;
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}
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}
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void XBOXUSB::printReport() { //Uncomment "#define PRINTREPORT" to print the report send by the Xbox 360 Controller
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#ifdef PRINTREPORT
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if(readBuf == NULL)
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return;
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for(uint8_t i = 0; i < XBOX_REPORT_BUFFER_SIZE; i++) {
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D_PrintHex<uint8_t > (readBuf[i], 0x80);
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Notify(PSTR(" "), 0x80);
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}
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Notify(PSTR("\r\n"), 0x80);
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#endif
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}
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uint8_t XBOXUSB::getButtonPress(ButtonEnum b) {
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if(b == L2) // These are analog buttons
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return (uint8_t)(ButtonState >> 8);
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else if(b == R2)
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return (uint8_t)ButtonState;
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return (bool)(ButtonState & ((uint32_t)pgm_read_word(&XBOX_BUTTONS[(uint8_t)b]) << 16));
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}
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bool XBOXUSB::getButtonClick(ButtonEnum b) {
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if(b == L2) {
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if(L2Clicked) {
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L2Clicked = false;
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return true;
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}
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return false;
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} else if(b == R2) {
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if(R2Clicked) {
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R2Clicked = false;
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return true;
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}
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return false;
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}
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uint16_t button = pgm_read_word(&XBOX_BUTTONS[(uint8_t)b]);
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bool click = (ButtonClickState & button);
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ButtonClickState &= ~button; // clear "click" event
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return click;
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}
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int16_t XBOXUSB::getAnalogHat(AnalogHatEnum a) {
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return hatValue[a];
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}
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/* Xbox Controller commands */
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void XBOXUSB::XboxCommand(uint8_t* data, uint16_t nbytes) {
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//bmRequest = Host to device (0x00) | Class (0x20) | Interface (0x01) = 0x21, bRequest = Set Report (0x09), Report ID (0x00), Report Type (Output 0x02), interface (0x00), datalength, datalength, data)
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pUsb->ctrlReq(bAddress, epInfo[XBOX_CONTROL_PIPE].epAddr, bmREQ_HID_OUT, HID_REQUEST_SET_REPORT, 0x00, 0x02, 0x00, nbytes, nbytes, data, NULL);
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}
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void XBOXUSB::setLedRaw(uint8_t value) {
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writeBuf[0] = 0x01;
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writeBuf[1] = 0x03;
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writeBuf[2] = value;
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XboxCommand(writeBuf, 3);
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}
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void XBOXUSB::setLedOn(LEDEnum led) {
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if(led == OFF)
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setLedRaw(0);
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else if(led != ALL) // All LEDs can't be on a the same time
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setLedRaw(pgm_read_byte(&XBOX_LEDS[(uint8_t)led]) + 4);
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}
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void XBOXUSB::setLedBlink(LEDEnum led) {
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setLedRaw(pgm_read_byte(&XBOX_LEDS[(uint8_t)led]));
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}
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void XBOXUSB::setLedMode(LEDModeEnum ledMode) { // This function is used to do some special LED stuff the controller supports
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setLedRaw((uint8_t)ledMode);
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}
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void XBOXUSB::setRumbleOn(uint8_t lValue, uint8_t rValue) {
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writeBuf[0] = 0x00;
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writeBuf[1] = 0x08;
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writeBuf[2] = 0x00;
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writeBuf[3] = lValue; // big weight
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writeBuf[4] = rValue; // small weight
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writeBuf[5] = 0x00;
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writeBuf[6] = 0x00;
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writeBuf[7] = 0x00;
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XboxCommand(writeBuf, 8);
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}
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void XBOXUSB::onInit() {
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if(pFuncOnInit)
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pFuncOnInit(); // Call the user function
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else
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setLedOn(LED1);
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}
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