Diff: XBOXUSB.cpp

Revision:

0:84353c479782

Child:

1:2263e77400e9

diff -r 000000000000 -r 84353c479782 XBOXUSB.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/XBOXUSB.cpp	Sun Jul 12 20:39:26 2020 +0000
@@ -0,0 +1,362 @@
+/* Copyright (C) 2012 Kristian Lauszus, TKJ Electronics. All rights reserved.
+
+ This software may be distributed and modified under the terms of the GNU
+ General Public License version 2 (GPL2) as published by the Free Software
+ Foundation and appearing in the file GPL2.TXT included in the packaging of
+ this file. Please note that GPL2 Section 2[b] requires that all works based
+ on this software must also be made publicly available under the terms of
+ the GPL2 ("Copyleft").
+
+ Contact information
+ -------------------
+
+ Kristian Lauszus, TKJ Electronics
+ Web      :  http://www.tkjelectronics.com
+ e-mail   :  kristianl@tkjelectronics.com
+ */
+
+#include "XBOXUSB.h"
+// To enable serial debugging see "settings.h"
+//#define EXTRADEBUG // Uncomment to get even more debugging data
+//#define PRINTREPORT // Uncomment to print the report send by the Xbox 360 Controller
+
+XBOXUSB::XBOXUSB(USB *p) :
+pUsb(p), // pointer to USB class instance - mandatory
+bAddress(0), // device address - mandatory
+bPollEnable(false) { // don't start polling before dongle is connected
+        for(uint8_t i = 0; i < XBOX_MAX_ENDPOINTS; i++) {
+                epInfo[i].epAddr = 0;
+                epInfo[i].maxPktSize = (i) ? 0 : 8;
+                epInfo[i].bmSndToggle = 0;
+                epInfo[i].bmRcvToggle = 0;
+                epInfo[i].bmNakPower = (i) ? USB_NAK_NOWAIT : USB_NAK_MAX_POWER;
+        }
+
+        if(pUsb) // register in USB subsystem
+                pUsb->RegisterDeviceClass(this); //set devConfig[] entry
+}
+
+uint8_t XBOXUSB::Init(uint8_t parent, uint8_t port, bool lowspeed) {
+        uint8_t buf[sizeof (USB_DEVICE_DESCRIPTOR)];
+        USB_DEVICE_DESCRIPTOR * udd = reinterpret_cast<USB_DEVICE_DESCRIPTOR*>(buf);
+        uint8_t rcode;
+        UsbDevice *p = NULL;
+        EpInfo *oldep_ptr = NULL;
+        uint16_t PID;
+        uint16_t VID;
+
+        // get memory address of USB device address pool
+        AddressPool &addrPool = pUsb->GetAddressPool();
+#ifdef EXTRADEBUG
+        Notify(PSTR("\r\nXBOXUSB Init"), 0x80);
+#endif
+        // check if address has already been assigned to an instance
+        if(bAddress) {
+#ifdef DEBUG_USB_HOST
+                Notify(PSTR("\r\nAddress in use"), 0x80);
+#endif
+                return USB_ERROR_CLASS_INSTANCE_ALREADY_IN_USE;
+        }
+
+        // Get pointer to pseudo device with address 0 assigned
+        p = addrPool.GetUsbDevicePtr(0);
+
+        if(!p) {
+#ifdef DEBUG_USB_HOST
+                Notify(PSTR("\r\nAddress not found"), 0x80);
+#endif
+                return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL;
+        }
+
+        if(!p->epinfo) {
+#ifdef DEBUG_USB_HOST
+                Notify(PSTR("\r\nepinfo is null"), 0x80);
+#endif
+                return USB_ERROR_EPINFO_IS_NULL;
+        }
+
+        // Save old pointer to EP_RECORD of address 0
+        oldep_ptr = p->epinfo;
+
+        // Temporary assign new pointer to epInfo to p->epinfo in order to avoid toggle inconsistence
+        p->epinfo = epInfo;
+
+        p->lowspeed = lowspeed;
+
+        // Get device descriptor
+        rcode = pUsb->getDevDescr(0, 0, sizeof (USB_DEVICE_DESCRIPTOR), (uint8_t*)buf); // Get device descriptor - addr, ep, nbytes, data
+        // Restore p->epinfo
+        p->epinfo = oldep_ptr;
+
+        if(rcode)
+                goto FailGetDevDescr;
+
+        VID = udd->idVendor;
+        PID = udd->idProduct;
+
+        if(VID != XBOX_VID && VID != MADCATZ_VID && VID != JOYTECH_VID && VID != GAMESTOP_VID) // Check VID
+                goto FailUnknownDevice;
+        if(PID == XBOX_WIRELESS_PID) {
+#ifdef DEBUG_USB_HOST
+                Notify(PSTR("\r\nYou have plugged in a wireless Xbox 360 controller - it doesn't support USB communication"), 0x80);
+#endif
+                goto FailUnknownDevice;
+        } else if(PID == XBOX_WIRELESS_RECEIVER_PID || PID == XBOX_WIRELESS_RECEIVER_THIRD_PARTY_PID) {
+#ifdef DEBUG_USB_HOST
+                Notify(PSTR("\r\nThis library only supports Xbox 360 controllers via USB"), 0x80);
+#endif
+                goto FailUnknownDevice;
+        } else if(PID != XBOX_WIRED_PID && PID != MADCATZ_WIRED_PID && PID != GAMESTOP_WIRED_PID && PID != AFTERGLOW_WIRED_PID && PID != JOYTECH_WIRED_PID) // Check PID
+                goto FailUnknownDevice;
+
+        // Allocate new address according to device class
+        bAddress = addrPool.AllocAddress(parent, false, port);
+
+        if(!bAddress)
+                return USB_ERROR_OUT_OF_ADDRESS_SPACE_IN_POOL;
+
+        // Extract Max Packet Size from device descriptor
+        epInfo[0].maxPktSize = udd->bMaxPacketSize0;
+
+        // Assign new address to the device
+        rcode = pUsb->setAddr(0, 0, bAddress);
+        if(rcode) {
+                p->lowspeed = false;
+                addrPool.FreeAddress(bAddress);
+                bAddress = 0;
+#ifdef DEBUG_USB_HOST
+                Notify(PSTR("\r\nsetAddr: "), 0x80);
+                D_PrintHex<uint8_t > (rcode, 0x80);
+#endif
+                return rcode;
+        }
+#ifdef EXTRADEBUG
+        Notify(PSTR("\r\nAddr: "), 0x80);
+        D_PrintHex<uint8_t > (bAddress, 0x80);
+#endif
+        //wait_ms(300); // Spec says you should wait at least 200ms
+
+        p->lowspeed = false;
+
+        //get pointer to assigned address record
+        p = addrPool.GetUsbDevicePtr(bAddress);
+        if(!p)
+                return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL;
+
+        p->lowspeed = lowspeed;
+
+        // Assign epInfo to epinfo pointer - only EP0 is known
+        rcode = pUsb->setEpInfoEntry(bAddress, 1, epInfo);
+        if(rcode)
+                goto FailSetDevTblEntry;
+
+        /* The application will work in reduced host mode, so we can save program and data
+           memory space. After verifying the VID we will use known values for the
+           configuration values for device, interface, endpoints and HID for the XBOX360 Controllers */
+
+        /* Initialize data structures for endpoints of device */
+        epInfo[ XBOX_INPUT_PIPE ].epAddr = 0x01; // XBOX 360 report endpoint
+        epInfo[ XBOX_INPUT_PIPE ].epAttribs = USB_TRANSFER_TYPE_INTERRUPT;
+        epInfo[ XBOX_INPUT_PIPE ].bmNakPower = USB_NAK_NOWAIT; // Only poll once for interrupt endpoints
+        epInfo[ XBOX_INPUT_PIPE ].maxPktSize = EP_MAXPKTSIZE;
+        epInfo[ XBOX_INPUT_PIPE ].bmSndToggle = 0;
+        epInfo[ XBOX_INPUT_PIPE ].bmRcvToggle = 0;
+        epInfo[ XBOX_OUTPUT_PIPE ].epAddr = 0x02; // XBOX 360 output endpoint
+        epInfo[ XBOX_OUTPUT_PIPE ].epAttribs = USB_TRANSFER_TYPE_INTERRUPT;
+        epInfo[ XBOX_OUTPUT_PIPE ].bmNakPower = USB_NAK_NOWAIT; // Only poll once for interrupt endpoints
+        epInfo[ XBOX_OUTPUT_PIPE ].maxPktSize = EP_MAXPKTSIZE;
+        epInfo[ XBOX_OUTPUT_PIPE ].bmSndToggle = 0;
+        epInfo[ XBOX_OUTPUT_PIPE ].bmRcvToggle = 0;
+
+        rcode = pUsb->setEpInfoEntry(bAddress, 3, epInfo);
+        if(rcode)
+                goto FailSetDevTblEntry;
+
+        wait_ms(200); // Give time for address change
+
+        rcode = pUsb->setConf(bAddress, epInfo[ XBOX_CONTROL_PIPE ].epAddr, 1);
+        if(rcode)
+                goto FailSetConfDescr;
+
+#ifdef DEBUG_USB_HOST
+        Notify(PSTR("\r\nXbox 360 Controller Connected\r\n"), 0x80);
+#endif
+        onInit();
+        Xbox360Connected = true;
+        bPollEnable = true;
+        return 0; // Successful configuration
+
+        /* Diagnostic messages */
+FailGetDevDescr:
+#ifdef DEBUG_USB_HOST
+        NotifyFailGetDevDescr();
+        goto Fail;
+#endif
+
+FailSetDevTblEntry:
+#ifdef DEBUG_USB_HOST
+        NotifyFailSetDevTblEntry();
+        goto Fail;
+#endif
+
+FailSetConfDescr:
+#ifdef DEBUG_USB_HOST
+        NotifyFailSetConfDescr();
+#endif
+        goto Fail;
+
+FailUnknownDevice:
+#ifdef DEBUG_USB_HOST
+        NotifyFailUnknownDevice(VID, PID);
+#endif
+        rcode = USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED;
+
+Fail:
+#ifdef DEBUG_USB_HOST
+        Notify(PSTR("\r\nXbox 360 Init Failed, error code: "), 0x80);
+        NotifyFail(rcode);
+#endif
+        Release();
+        return rcode;
+}
+
+/* Performs a cleanup after failed Init() attempt */
+uint8_t XBOXUSB::Release() {
+        Xbox360Connected = false;
+        pUsb->GetAddressPool().FreeAddress(bAddress);
+        bAddress = 0;
+        bPollEnable = false;
+        return 0;
+}
+
+uint8_t XBOXUSB::Poll() {
+        if(!bPollEnable)
+                return 0;
+        uint16_t BUFFER_SIZE = EP_MAXPKTSIZE;
+        pUsb->inTransfer(bAddress, epInfo[ XBOX_INPUT_PIPE ].epAddr, &BUFFER_SIZE, readBuf); // input on endpoint 1
+        readReport();
+#ifdef PRINTREPORT
+        printReport(); // Uncomment "#define PRINTREPORT" to print the report send by the Xbox 360 Controller
+#endif
+        return 0;
+}
+
+void XBOXUSB::readReport() {
+        if(readBuf == NULL)
+                return;
+        if(readBuf[0] != 0x00 || readBuf[1] != 0x14) { // Check if it's the correct report - the controller also sends different status reports
+                return;
+        }
+
+        ButtonState = (uint32_t)(readBuf[5] | ((uint16_t)readBuf[4] << 8) | ((uint32_t)readBuf[3] << 16) | ((uint32_t)readBuf[2] << 24));
+
+        hatValue[LeftHatX] = (int16_t)(((uint16_t)readBuf[7] << 8) | readBuf[6]);
+        hatValue[LeftHatY] = (int16_t)(((uint16_t)readBuf[9] << 8) | readBuf[8]);
+        hatValue[RightHatX] = (int16_t)(((uint16_t)readBuf[11] << 8) | readBuf[10]);
+        hatValue[RightHatY] = (int16_t)(((uint16_t)readBuf[13] << 8) | readBuf[12]);
+
+        //Notify(PSTR("\r\nButtonState"), 0x80);
+        //PrintHex<uint32_t>(ButtonState, 0x80);
+
+        if(ButtonState != OldButtonState) {
+                ButtonClickState = (ButtonState >> 16) & ((~OldButtonState) >> 16); // Update click state variable, but don't include the two trigger buttons L2 and R2
+                if(((uint8_t)OldButtonState) == 0 && ((uint8_t)ButtonState) != 0) // The L2 and R2 buttons are special as they are analog buttons
+                        R2Clicked = true;
+                if((uint8_t)(OldButtonState >> 8) == 0 && (uint8_t)(ButtonState >> 8) != 0)
+                        L2Clicked = true;
+                OldButtonState = ButtonState;
+        }
+}
+
+void XBOXUSB::printReport() { //Uncomment "#define PRINTREPORT" to print the report send by the Xbox 360 Controller
+#ifdef PRINTREPORT
+        if(readBuf == NULL)
+                return;
+        for(uint8_t i = 0; i < XBOX_REPORT_BUFFER_SIZE; i++) {
+                D_PrintHex<uint8_t > (readBuf[i], 0x80);
+                Notify(PSTR(" "), 0x80);
+        }
+        Notify(PSTR("\r\n"), 0x80);
+#endif
+}
+
+uint8_t XBOXUSB::getButtonPress(ButtonEnum b) {
+        if(b == L2) // These are analog buttons
+                return (uint8_t)(ButtonState >> 8);
+        else if(b == R2)
+                return (uint8_t)ButtonState;
+        return (bool)(ButtonState & ((uint32_t)pgm_read_word(&XBOX_BUTTONS[(uint8_t)b]) << 16));
+}
+
+bool XBOXUSB::getButtonClick(ButtonEnum b) {
+        if(b == L2) {
+                if(L2Clicked) {
+                        L2Clicked = false;
+                        return true;
+                }
+                return false;
+        } else if(b == R2) {
+                if(R2Clicked) {
+                        R2Clicked = false;
+                        return true;
+                }
+                return false;
+        }
+        uint16_t button = pgm_read_word(&XBOX_BUTTONS[(uint8_t)b]);
+        bool click = (ButtonClickState & button);
+        ButtonClickState &= ~button; // clear "click" event
+        return click;
+}
+
+int16_t XBOXUSB::getAnalogHat(AnalogHatEnum a) {
+        return hatValue[a];
+}
+
+/* Xbox Controller commands */
+void XBOXUSB::XboxCommand(uint8_t* data, uint16_t nbytes) {
+        //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)
+        pUsb->ctrlReq(bAddress, epInfo[XBOX_CONTROL_PIPE].epAddr, bmREQ_HID_OUT, HID_REQUEST_SET_REPORT, 0x00, 0x02, 0x00, nbytes, nbytes, data, NULL);
+}
+
+void XBOXUSB::setLedRaw(uint8_t value) {
+        writeBuf[0] = 0x01;
+        writeBuf[1] = 0x03;
+        writeBuf[2] = value;
+
+        XboxCommand(writeBuf, 3);
+}
+
+void XBOXUSB::setLedOn(LEDEnum led) {
+        if(led == OFF)
+                setLedRaw(0);
+        else if(led != ALL) // All LEDs can't be on a the same time
+                setLedRaw(pgm_read_byte(&XBOX_LEDS[(uint8_t)led]) + 4);
+}
+
+void XBOXUSB::setLedBlink(LEDEnum led) {
+        setLedRaw(pgm_read_byte(&XBOX_LEDS[(uint8_t)led]));
+}
+
+void XBOXUSB::setLedMode(LEDModeEnum ledMode) { // This function is used to do some special LED stuff the controller supports
+        setLedRaw((uint8_t)ledMode);
+}
+
+void XBOXUSB::setRumbleOn(uint8_t lValue, uint8_t rValue) {
+        writeBuf[0] = 0x00;
+        writeBuf[1] = 0x08;
+        writeBuf[2] = 0x00;
+        writeBuf[3] = lValue; // big weight
+        writeBuf[4] = rValue; // small weight
+        writeBuf[5] = 0x00;
+        writeBuf[6] = 0x00;
+        writeBuf[7] = 0x00;
+
+        XboxCommand(writeBuf, 8);
+}
+
+void XBOXUSB::onInit() {
+        if(pFuncOnInit)
+                pFuncOnInit(); // Call the user function
+        else
+                setLedOn(static_cast<LEDEnum>(LED1));
+}