teensy-usbhost/examples/Mouse/Mouse.ino

// Simple test of USB Host Mouse/Keyboard
//
// This example is in the public domain

#include "USBHost_t36.h"

USBHost myusb;
USBHub hub1(myusb);
USBHub hub2(myusb);
KeyboardController keyboard1(myusb);
KeyboardController keyboard2(myusb);
USBHIDParser hid1(myusb);
USBHIDParser hid2(myusb);
USBHIDParser hid3(myusb);
USBHIDParser hid4(myusb);
USBHIDParser hid5(myusb);
MouseController mouse1(myusb);
JoystickController joystick1(myusb);
int user_axis[64];
uint32_t buttons_prev = 0;
RawHIDController rawhid1(myusb);
RawHIDController rawhid2(myusb, 0xffc90004);

USBDriver *drivers[] = {&hub1, &hub2,&keyboard1, &keyboard2, &joystick1, &hid1, &hid2, &hid3, &hid4, &hid5};
#define CNT_DEVICES (sizeof(drivers)/sizeof(drivers[0]))
const char * driver_names[CNT_DEVICES] = {"Hub1","Hub2", "KB1", "KB2", "JOY1D", "HID1", "HID2", "HID3", "HID4", "HID5"};
bool driver_active[CNT_DEVICES] = {false, false, false, false};

// Lets also look at HID Input devices
USBHIDInput *hiddrivers[] = {&mouse1, &joystick1, &rawhid1, &rawhid2};
#define CNT_HIDDEVICES (sizeof(hiddrivers)/sizeof(hiddrivers[0]))
const char * hid_driver_names[CNT_DEVICES] = {"Mouse1","Joystick1", "RawHid1", "RawHid2"};
bool hid_driver_active[CNT_DEVICES] = {false, false};
bool show_changed_only = false; 

uint8_t joystick_left_trigger_value = 0;
uint8_t joystick_right_trigger_value = 0;
uint64_t joystick_full_notify_mask = (uint64_t)-1;

void setup()
{
  while (!Serial) ; // wait for Arduino Serial Monitor
  Serial.println("\n\nUSB Host Testing");
  Serial.println(sizeof(USBHub), DEC);
  myusb.begin();
  keyboard1.attachPress(OnPress);
  keyboard2.attachPress(OnPress);
  keyboard1.attachExtrasPress(OnHIDExtrasPress);
  keyboard1.attachExtrasRelease(OnHIDExtrasRelease);
  keyboard2.attachExtrasPress(OnHIDExtrasPress);
  keyboard2.attachExtrasRelease(OnHIDExtrasRelease);

  rawhid1.attachReceive(OnReceiveHidData);
  rawhid2.attachReceive(OnReceiveHidData);
}


void loop()
{
  myusb.Task();

  if (Serial.available()) {
    int ch = Serial.read(); // get the first char. 
    while (Serial.read() != -1) ; 
    if ((ch == 'b') || (ch == 'B')) {
      Serial.println("Only notify on Basic Axis changes");
      joystick1.axisChangeNotifyMask(0x3ff);
    } else if ((ch == 'f') || (ch == 'F')) {
      Serial.println("Only notify on Full Axis changes");
      joystick1.axisChangeNotifyMask(joystick_full_notify_mask);

    } else {
      if (show_changed_only) {
        show_changed_only = false;
        Serial.println("\n*** Show All fields mode ***");
      } else {
        show_changed_only = true;
        Serial.println("\n*** Show only changed fields mode ***");
      }
    }
 }

  for (uint8_t i = 0; i < CNT_DEVICES; i++) {
    if (*drivers[i] != driver_active[i]) {
      if (driver_active[i]) {
        Serial.printf("*** Device %s - disconnected ***\n", driver_names[i]);
        driver_active[i] = false;
      } else {
        Serial.printf("*** Device %s %x:%x - connected ***\n", driver_names[i], drivers[i]->idVendor(), drivers[i]->idProduct());
        driver_active[i] = true;

        const uint8_t *psz = drivers[i]->manufacturer();
        if (psz && *psz) Serial.printf("  manufacturer: %s\n", psz);
        psz = drivers[i]->product();
        if (psz && *psz) Serial.printf("  product: %s\n", psz);
        psz = drivers[i]->serialNumber();
        if (psz && *psz) Serial.printf("  Serial: %s\n", psz);
      }
    }
  }

  for (uint8_t i = 0; i < CNT_HIDDEVICES; i++) {
    if (*hiddrivers[i] != hid_driver_active[i]) {
      if (hid_driver_active[i]) {
        Serial.printf("*** HID Device %s - disconnected ***\n", hid_driver_names[i]);
        hid_driver_active[i] = false;
      } else {
        Serial.printf("*** HID Device %s %x:%x - connected ***\n", hid_driver_names[i], hiddrivers[i]->idVendor(), hiddrivers[i]->idProduct());
        hid_driver_active[i] = true;

        const uint8_t *psz = hiddrivers[i]->manufacturer();
        if (psz && *psz) Serial.printf("  manufacturer: %s\n", psz);
        psz = hiddrivers[i]->product();
        if (psz && *psz) Serial.printf("  product: %s\n", psz);
        psz = hiddrivers[i]->serialNumber();
        if (psz && *psz) Serial.printf("  Serial: %s\n", psz);
      }
    }
  }



  if(mouse1.available()) {
    Serial.print("Mouse: buttons = ");
    Serial.print(mouse1.getButtons());
    Serial.print(",  mouseX = ");
    Serial.print(mouse1.getMouseX());
    Serial.print(",  mouseY = ");
    Serial.print(mouse1.getMouseY());
    Serial.print(",  wheel = ");
    Serial.print(mouse1.getWheel());
    Serial.print(",  wheelH = ");
    Serial.print(mouse1.getWheelH());
    Serial.println();
    mouse1.mouseDataClear();
  }
  if (joystick1.available()) {
    uint64_t axis_mask = joystick1.axisMask();
    uint64_t axis_changed_mask = joystick1.axisChangedMask();
    Serial.print("Joystick: buttons = ");
    uint32_t buttons = joystick1.getButtons();
    Serial.print(buttons, HEX);
    //Serial.printf(" AMasks: %x %x:%x", axis_mask, (uint32_t)(user_axis_mask >> 32), (uint32_t)(user_axis_mask & 0xffffffff));
    //Serial.printf(" M: %lx %lx", axis_mask, joystick1.axisChangedMask());
    if (show_changed_only) {
      for (uint8_t i = 0; axis_changed_mask != 0; i++, axis_changed_mask >>= 1) {
        if (axis_changed_mask & 1) {
          Serial.printf(" %d:%d", i, joystick1.getAxis(i));
        }
      }

    } else {
      for (uint8_t i = 0; axis_mask != 0; i++, axis_mask >>= 1) {
        if (axis_mask & 1) {
          Serial.printf(" %d:%d", i, joystick1.getAxis(i));
        }
      }
    }
    uint8_t ltv;
    uint8_t rtv;
    switch (joystick1.joystickType) {
      default:
        break;
      case JoystickController::PS4:
        ltv = joystick1.getAxis(3);
        rtv = joystick1.getAxis(4);
        if ((ltv != joystick_left_trigger_value) || (rtv != joystick_right_trigger_value)) {
          joystick_left_trigger_value = ltv;
          joystick_right_trigger_value = rtv;
          joystick1.setRumble(ltv, rtv);
        } 
        break;

      case JoystickController::PS3:
        ltv = joystick1.getAxis(18);
        rtv = joystick1.getAxis(19);
        if ((ltv != joystick_left_trigger_value) || (rtv != joystick_right_trigger_value)) {
          joystick_left_trigger_value = ltv;
          joystick_right_trigger_value = rtv;
          joystick1.setRumble(ltv, rtv, 50);
        } 
        break;

      case JoystickController::XBOXONE:   
      case JoystickController::XBOX360:   
        ltv = joystick1.getAxis(4);
        rtv = joystick1.getAxis(5);
        if ((ltv != joystick_left_trigger_value) || (rtv != joystick_right_trigger_value)) {
          joystick_left_trigger_value = ltv;
          joystick_right_trigger_value = rtv;
          joystick1.setRumble(ltv, rtv);
          Serial.printf(" Set Rumble %d %d", ltv, rtv);
        } 
        break;
    }
    if (buttons != buttons_prev) {
      if (joystick1.joystickType == JoystickController::PS3) {
        joystick1.setLEDs((buttons>>12) & 0xf); //  try to get to TRI/CIR/X/SQuare
      } else {
        uint8_t lr = (buttons & 1)? 0xff : 0;
        uint8_t lg = (buttons & 2)? 0xff : 0;
        uint8_t lb = (buttons & 4)? 0xff : 0;
        joystick1.setLEDs(lr, lg, lb);
      }
      buttons_prev = buttons;
    }

    Serial.println();
    joystick1.joystickDataClear();
  }

  // See if we have some RAW data
  if (rawhid1) {
    int ch;
    uint8_t buffer[64];
    uint8_t count_chars = 0; 
    memset(buffer, 0, sizeof(buffer));
    if (Serial.available()) {
      while (((ch = Serial.read()) != -1) && (count_chars < sizeof(buffer))) {
        buffer[count_chars++] = ch;
      }
      rawhid1.sendPacket(buffer);
    }
  }
}



void OnPress(int key)
{
  Serial.print("key '");
  switch (key) {
    case KEYD_UP       : Serial.print("UP"); break;
    case KEYD_DOWN    : Serial.print("DN"); break;
    case KEYD_LEFT     : Serial.print("LEFT"); break;
    case KEYD_RIGHT   : Serial.print("RIGHT"); break;
    case KEYD_INSERT   : Serial.print("Ins"); break;
    case KEYD_DELETE   : Serial.print("Del"); break;
    case KEYD_PAGE_UP  : Serial.print("PUP"); break;
    case KEYD_PAGE_DOWN: Serial.print("PDN"); break;
    case KEYD_HOME     : Serial.print("HOME"); break;
    case KEYD_END      : Serial.print("END"); break;
    case KEYD_F1       : Serial.print("F1"); break;
    case KEYD_F2       : Serial.print("F2"); break;
    case KEYD_F3       : Serial.print("F3"); break;
    case KEYD_F4       : Serial.print("F4"); break;
    case KEYD_F5       : Serial.print("F5"); break;
    case KEYD_F6       : Serial.print("F6"); break;
    case KEYD_F7       : Serial.print("F7"); break;
    case KEYD_F8       : Serial.print("F8"); break;
    case KEYD_F9       : Serial.print("F9"); break;
    case KEYD_F10      : Serial.print("F10"); break;
    case KEYD_F11      : Serial.print("F11"); break;
    case KEYD_F12      : Serial.print("F12"); break;
    default: Serial.print((char)key); break;
  }
  Serial.print("'  ");
  Serial.print(key);
  Serial.print(" MOD: ");
  if (keyboard1) {
    Serial.print(keyboard1.getModifiers(), HEX);
    Serial.print(" OEM: ");
    Serial.print(keyboard1.getOemKey(), HEX);
    Serial.print(" LEDS: ");
    Serial.println(keyboard1.LEDS(), HEX);
  } else {
    Serial.print(keyboard2.getModifiers(), HEX);
    Serial.print(" OEM: ");
    Serial.print(keyboard2.getOemKey(), HEX);
    Serial.print(" LEDS: ");
    Serial.println(keyboard2.LEDS(), HEX);
  }

  //Serial.print("key ");
  //Serial.print((char)keyboard1.getKey());
  //Serial.print("  ");
  //Serial.print((char)keyboard2.getKey());
  //Serial.println();
}
void OnHIDExtrasPress(uint32_t top, uint16_t key) 
{
  Serial.print("HID (");
  Serial.print(top, HEX);
  Serial.print(") key press:");
  Serial.print(key, HEX);
  if (top == 0xc0000) {
    switch (key) {
      case  0x20 : Serial.print(" - +10"); break;
      case  0x21 : Serial.print(" - +100"); break;
      case  0x22 : Serial.print(" - AM/PM"); break;
      case  0x30 : Serial.print(" - Power"); break;
      case  0x31 : Serial.print(" - Reset"); break;
      case  0x32 : Serial.print(" - Sleep"); break;
      case  0x33 : Serial.print(" - Sleep After"); break;
      case  0x34 : Serial.print(" - Sleep Mode"); break;
      case  0x35 : Serial.print(" - Illumination"); break;
      case  0x36 : Serial.print(" - Function Buttons"); break;
      case  0x40 : Serial.print(" - Menu"); break;
      case  0x41 : Serial.print(" - Menu  Pick"); break;
      case  0x42 : Serial.print(" - Menu Up"); break;
      case  0x43 : Serial.print(" - Menu Down"); break;
      case  0x44 : Serial.print(" - Menu Left"); break;
      case  0x45 : Serial.print(" - Menu Right"); break;
      case  0x46 : Serial.print(" - Menu Escape"); break;
      case  0x47 : Serial.print(" - Menu Value Increase"); break;
      case  0x48 : Serial.print(" - Menu Value Decrease"); break;
      case  0x60 : Serial.print(" - Data On Screen"); break;
      case  0x61 : Serial.print(" - Closed Caption"); break;
      case  0x62 : Serial.print(" - Closed Caption Select"); break;
      case  0x63 : Serial.print(" - VCR/TV"); break;
      case  0x64 : Serial.print(" - Broadcast Mode"); break;
      case  0x65 : Serial.print(" - Snapshot"); break;
      case  0x66 : Serial.print(" - Still"); break;
      case  0x80 : Serial.print(" - Selection"); break;
      case  0x81 : Serial.print(" - Assign Selection"); break;
      case  0x82 : Serial.print(" - Mode Step"); break;
      case  0x83 : Serial.print(" - Recall Last"); break;
      case  0x84 : Serial.print(" - Enter Channel"); break;
      case  0x85 : Serial.print(" - Order Movie"); break;
      case  0x86 : Serial.print(" - Channel"); break;
      case  0x87 : Serial.print(" - Media Selection"); break;
      case  0x88 : Serial.print(" - Media Select Computer"); break;
      case  0x89 : Serial.print(" - Media Select TV"); break;
      case  0x8A : Serial.print(" - Media Select WWW"); break;
      case  0x8B : Serial.print(" - Media Select DVD"); break;
      case  0x8C : Serial.print(" - Media Select Telephone"); break;
      case  0x8D : Serial.print(" - Media Select Program Guide"); break;
      case  0x8E : Serial.print(" - Media Select Video Phone"); break;
      case  0x8F : Serial.print(" - Media Select Games"); break;
      case  0x90 : Serial.print(" - Media Select Messages"); break;
      case  0x91 : Serial.print(" - Media Select CD"); break;
      case  0x92 : Serial.print(" - Media Select VCR"); break;
      case  0x93 : Serial.print(" - Media Select Tuner"); break;
      case  0x94 : Serial.print(" - Quit"); break;
      case  0x95 : Serial.print(" - Help"); break;
      case  0x96 : Serial.print(" - Media Select Tape"); break;
      case  0x97 : Serial.print(" - Media Select Cable"); break;
      case  0x98 : Serial.print(" - Media Select Satellite"); break;
      case  0x99 : Serial.print(" - Media Select Security"); break;
      case  0x9A : Serial.print(" - Media Select Home"); break;
      case  0x9B : Serial.print(" - Media Select Call"); break;
      case  0x9C : Serial.print(" - Channel Increment"); break;
      case  0x9D : Serial.print(" - Channel Decrement"); break;
      case  0x9E : Serial.print(" - Media Select SAP"); break;
      case  0xA0 : Serial.print(" - VCR Plus"); break;
      case  0xA1 : Serial.print(" - Once"); break;
      case  0xA2 : Serial.print(" - Daily"); break;
      case  0xA3 : Serial.print(" - Weekly"); break;
      case  0xA4 : Serial.print(" - Monthly"); break;
      case  0xB0 : Serial.print(" - Play"); break;
      case  0xB1 : Serial.print(" - Pause"); break;
      case  0xB2 : Serial.print(" - Record"); break;
      case  0xB3 : Serial.print(" - Fast Forward"); break;
      case  0xB4 : Serial.print(" - Rewind"); break;
      case  0xB5 : Serial.print(" - Scan Next Track"); break;
      case  0xB6 : Serial.print(" - Scan Previous Track"); break;
      case  0xB7 : Serial.print(" - Stop"); break;
      case  0xB8 : Serial.print(" - Eject"); break;
      case  0xB9 : Serial.print(" - Random Play"); break;
      case  0xBA : Serial.print(" - Select DisC"); break;
      case  0xBB : Serial.print(" - Enter Disc"); break;
      case  0xBC : Serial.print(" - Repeat"); break;
      case  0xBD : Serial.print(" - Tracking"); break;
      case  0xBE : Serial.print(" - Track Normal"); break;
      case  0xBF : Serial.print(" - Slow Tracking"); break;
      case  0xC0 : Serial.print(" - Frame Forward"); break;
      case  0xC1 : Serial.print(" - Frame Back"); break;
      case  0xC2 : Serial.print(" - Mark"); break;
      case  0xC3 : Serial.print(" - Clear Mark"); break;
      case  0xC4 : Serial.print(" - Repeat From Mark"); break;
      case  0xC5 : Serial.print(" - Return To Mark"); break;
      case  0xC6 : Serial.print(" - Search Mark Forward"); break;
      case  0xC7 : Serial.print(" - Search Mark Backwards"); break;
      case  0xC8 : Serial.print(" - Counter Reset"); break;
      case  0xC9 : Serial.print(" - Show Counter"); break;
      case  0xCA : Serial.print(" - Tracking Increment"); break;
      case  0xCB : Serial.print(" - Tracking Decrement"); break;
      case  0xCD : Serial.print(" - Pause/Continue"); break;
      case  0xE0 : Serial.print(" - Volume"); break;
      case  0xE1 : Serial.print(" - Balance"); break;
      case  0xE2 : Serial.print(" - Mute"); break;
      case  0xE3 : Serial.print(" - Bass"); break;
      case  0xE4 : Serial.print(" - Treble"); break;
      case  0xE5 : Serial.print(" - Bass Boost"); break;
      case  0xE6 : Serial.print(" - Surround Mode"); break;
      case  0xE7 : Serial.print(" - Loudness"); break;
      case  0xE8 : Serial.print(" - MPX"); break;
      case  0xE9 : Serial.print(" - Volume Up"); break;
      case  0xEA : Serial.print(" - Volume Down"); break;
      case  0xF0 : Serial.print(" - Speed Select"); break;
      case  0xF1 : Serial.print(" - Playback Speed"); break;
      case  0xF2 : Serial.print(" - Standard Play"); break;
      case  0xF3 : Serial.print(" - Long Play"); break;
      case  0xF4 : Serial.print(" - Extended Play"); break;
      case  0xF5 : Serial.print(" - Slow"); break;
      case  0x100: Serial.print(" - Fan Enable"); break;
      case  0x101: Serial.print(" - Fan Speed"); break;
      case  0x102: Serial.print(" - Light"); break;
      case  0x103: Serial.print(" - Light Illumination Level"); break;
      case  0x104: Serial.print(" - Climate Control Enable"); break;
      case  0x105: Serial.print(" - Room Temperature"); break;
      case  0x106: Serial.print(" - Security Enable"); break;
      case  0x107: Serial.print(" - Fire Alarm"); break;
      case  0x108: Serial.print(" - Police Alarm"); break;
      case  0x150: Serial.print(" - Balance Right"); break;
      case  0x151: Serial.print(" - Balance Left"); break;
      case  0x152: Serial.print(" - Bass Increment"); break;
      case  0x153: Serial.print(" - Bass Decrement"); break;
      case  0x154: Serial.print(" - Treble Increment"); break;
      case  0x155: Serial.print(" - Treble Decrement"); break;
      case  0x160: Serial.print(" - Speaker System"); break;
      case  0x161: Serial.print(" - Channel Left"); break;
      case  0x162: Serial.print(" - Channel Right"); break;
      case  0x163: Serial.print(" - Channel Center"); break;
      case  0x164: Serial.print(" - Channel Front"); break;
      case  0x165: Serial.print(" - Channel Center Front"); break;
      case  0x166: Serial.print(" - Channel Side"); break;
      case  0x167: Serial.print(" - Channel Surround"); break;
      case  0x168: Serial.print(" - Channel Low Frequency Enhancement"); break;
      case  0x169: Serial.print(" - Channel Top"); break;
      case  0x16A: Serial.print(" - Channel Unknown"); break;
      case  0x170: Serial.print(" - Sub-channel"); break;
      case  0x171: Serial.print(" - Sub-channel Increment"); break;
      case  0x172: Serial.print(" - Sub-channel Decrement"); break;
      case  0x173: Serial.print(" - Alternate Audio Increment"); break;
      case  0x174: Serial.print(" - Alternate Audio Decrement"); break;
      case  0x180: Serial.print(" - Application Launch Buttons"); break;
      case  0x181: Serial.print(" - AL Launch Button Configuration Tool"); break;
      case  0x182: Serial.print(" - AL Programmable Button Configuration"); break;
      case  0x183: Serial.print(" - AL Consumer Control Configuration"); break;
      case  0x184: Serial.print(" - AL Word Processor"); break;
      case  0x185: Serial.print(" - AL Text Editor"); break;
      case  0x186: Serial.print(" - AL Spreadsheet"); break;
      case  0x187: Serial.print(" - AL Graphics Editor"); break;
      case  0x188: Serial.print(" - AL Presentation App"); break;
      case  0x189: Serial.print(" - AL Database App"); break;
      case  0x18A: Serial.print(" - AL Email Reader"); break;
      case  0x18B: Serial.print(" - AL Newsreader"); break;
      case  0x18C: Serial.print(" - AL Voicemail"); break;
      case  0x18D: Serial.print(" - AL Contacts/Address Book"); break;
      case  0x18E: Serial.print(" - AL Calendar/Schedule"); break;
      case  0x18F: Serial.print(" - AL Task/Project Manager"); break;
      case  0x190: Serial.print(" - AL Log/Journal/Timecard"); break;
      case  0x191: Serial.print(" - AL Checkbook/Finance"); break;
      case  0x192: Serial.print(" - AL Calculator"); break;
      case  0x193: Serial.print(" - AL A/V Capture/Playback"); break;
      case  0x194: Serial.print(" - AL Local Machine Browser"); break;
      case  0x195: Serial.print(" - AL LAN/WAN Browser"); break;
      case  0x196: Serial.print(" - AL Internet Browser"); break;
      case  0x197: Serial.print(" - AL Remote Networking/ISP Connect"); break;
      case  0x198: Serial.print(" - AL Network Conference"); break;
      case  0x199: Serial.print(" - AL Network Chat"); break;
      case  0x19A: Serial.print(" - AL Telephony/Dialer"); break;
      case  0x19B: Serial.print(" - AL Logon"); break;
      case  0x19C: Serial.print(" - AL Logoff"); break;
      case  0x19D: Serial.print(" - AL Logon/Logoff"); break;
      case  0x19E: Serial.print(" - AL Terminal Lock/Screensaver"); break;
      case  0x19F: Serial.print(" - AL Control Panel"); break;
      case  0x1A0: Serial.print(" - AL Command Line Processor/Run"); break;
      case  0x1A1: Serial.print(" - AL Process/Task Manager"); break;
      case  0x1A2: Serial.print(" - AL Select Tast/Application"); break;
      case  0x1A3: Serial.print(" - AL Next Task/Application"); break;
      case  0x1A4: Serial.print(" - AL Previous Task/Application"); break;
      case  0x1A5: Serial.print(" - AL Preemptive Halt Task/Application"); break;
      case  0x200: Serial.print(" - Generic GUI Application Controls"); break;
      case  0x201: Serial.print(" - AC New"); break;
      case  0x202: Serial.print(" - AC Open"); break;
      case  0x203: Serial.print(" - AC Close"); break;
      case  0x204: Serial.print(" - AC Exit"); break;
      case  0x205: Serial.print(" - AC Maximize"); break;
      case  0x206: Serial.print(" - AC Minimize"); break;
      case  0x207: Serial.print(" - AC Save"); break;
      case  0x208: Serial.print(" - AC Print"); break;
      case  0x209: Serial.print(" - AC Properties"); break;
      case  0x21A: Serial.print(" - AC Undo"); break;
      case  0x21B: Serial.print(" - AC Copy"); break;
      case  0x21C: Serial.print(" - AC Cut"); break;
      case  0x21D: Serial.print(" - AC Paste"); break;
      case  0x21E: Serial.print(" - AC Select All"); break;
      case  0x21F: Serial.print(" - AC Find"); break;
      case  0x220: Serial.print(" - AC Find and Replace"); break;
      case  0x221: Serial.print(" - AC Search"); break;
      case  0x222: Serial.print(" - AC Go To"); break;
      case  0x223: Serial.print(" - AC Home"); break;
      case  0x224: Serial.print(" - AC Back"); break;
      case  0x225: Serial.print(" - AC Forward"); break;
      case  0x226: Serial.print(" - AC Stop"); break;
      case  0x227: Serial.print(" - AC Refresh"); break;
      case  0x228: Serial.print(" - AC Previous Link"); break;
      case  0x229: Serial.print(" - AC Next Link"); break;
      case  0x22A: Serial.print(" - AC Bookmarks"); break;
      case  0x22B: Serial.print(" - AC History"); break;
      case  0x22C: Serial.print(" - AC Subscriptions"); break;
      case  0x22D: Serial.print(" - AC Zoom In"); break;
      case  0x22E: Serial.print(" - AC Zoom Out"); break;
      case  0x22F: Serial.print(" - AC Zoom"); break;
      case  0x230: Serial.print(" - AC Full Screen View"); break;
      case  0x231: Serial.print(" - AC Normal View"); break;
      case  0x232: Serial.print(" - AC View Toggle"); break;
      case  0x233: Serial.print(" - AC Scroll Up"); break;
      case  0x234: Serial.print(" - AC Scroll Down"); break;
      case  0x235: Serial.print(" - AC Scroll"); break;
      case  0x236: Serial.print(" - AC Pan Left"); break;
      case  0x237: Serial.print(" - AC Pan Right"); break;
      case  0x238: Serial.print(" - AC Pan"); break;
      case  0x239: Serial.print(" - AC New Window"); break;
      case  0x23A: Serial.print(" - AC Tile Horizontally"); break;
      case  0x23B: Serial.print(" - AC Tile Vertically"); break;
      case  0x23C: Serial.print(" - AC Format"); break;

    }
  }
  Serial.println();
}

void OnHIDExtrasRelease(uint32_t top, uint16_t key) 
{
  Serial.print("HID (");
  Serial.print(top, HEX);
  Serial.print(") key release:");
  Serial.println(key, HEX);
}

bool OnReceiveHidData(uint32_t usage, const uint8_t *data, uint32_t len) {
  // Called for maybe both HIDS for rawhid basic test.  One is for the Teensy
  // to output to Serial. while still having Raw Hid... 
  if (usage == 0xffc90004) {
    // Lets trim off trailing null characters.
    while ((len > 0) && (data[len-1] == 0)) {
      len--;
    }
    if (len) {
      Serial.print("RawHid Serial: ");
      Serial.write(data, len);
    }
  } else {
    Serial.print("RawHID data: ");
    Serial.println(usage, HEX);
    while (len) {
      uint8_t cb = (len > 16)? 16 : len;
      const uint8_t *p = data;
      uint8_t i;
      for (i = 0; i < cb; i++) {
        Serial.printf("%02x ", *p++);
      }
      Serial.print(": ");
      for (i = 0; i < cb; i++) {
        Serial.write(((*data >= ' ')&&(*data <= '~'))? *data : '.');
        data++;
      }
      len -= cb;
      Serial.println();
    }
  }

  return true;
}