text: /* USB EHCI Host for Teensy 3.6
   * Copyright 2017 Paul Stoffregen (paul@pjrc.com)
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the
   * "Software"), to deal in the Software without restriction, including
   * without limitation the rights to use, copy, modify, merge, publish,
   * distribute, sublicense, and/or sell copies of the Software, and to
   * permit persons to whom the Software is furnished to do so, subject to
   * the following conditions:
   *
   * The above copyright notice and this permission notice shall be included
   * in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
   * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
   * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
   * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
   * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   */
  
  #include <Arduino.h>
  #include "USBHost_t36.h"  // Read this header first for key info
  
  
  void MouseController::init()
  {
  	USBHIDParser::driver_ready_for_hid_collection(this);
  	BluetoothController::driver_ready_for_bluetooth(this);
  }
  
  
  hidclaim_t MouseController::claim_collection(USBHIDParser *driver, Device_t *dev, uint32_t topusage)
  {
  	// only claim Desktop/Mouse
  	if ((topusage != 0x10002) && (topusage != 0x10001)) return CLAIM_NO;
  	// only claim from one physical device
  	if (mydevice != NULL && dev != mydevice) return CLAIM_NO;
  	mydevice = dev;
  	collections_claimed++;
  	return CLAIM_REPORT;
  }
  
  void MouseController::disconnect_collection(Device_t *dev)
  {
  	if (--collections_claimed == 0) {
  		mydevice = NULL;
  	}
  }
  
  void MouseController::hid_input_begin(uint32_t topusage, uint32_t type, int lgmin, int lgmax)
  {
  	// TODO: check if absolute coordinates
  	hid_input_begin_ = true;
  }
  
  void MouseController::hid_input_data(uint32_t usage, int32_t value)
  {
  	//USBHDBGSerial.printf("Mouse: usage=%X, value=%d\n", usage, value);
  	uint32_t usage_page = usage >> 16;
  	usage &= 0xFFFF;
  	if (usage_page == 9 && usage >= 1 && usage <= 8) {
  		if (value == 0) {
  			buttons &= ~(1 << (usage -1));
  		} else {
  			buttons |= (1 << (usage -1));
  		}
  	} else if (usage_page == 1) {
  		switch (usage) {
  		  case 0x30:
  			mouseX = value;
  			break;
  		  case 0x31:
  			mouseY = value;
  			break;
  		  case 0x32: // Apple uses this for horizontal scroll
  			wheelH = value;
  			break;
  		  case 0x38:
  			wheel = value;
  			break;
  		}
  	} else if (usage_page == 12) {
  		if (usage == 0x238) { // Microsoft uses this for horizontal scroll
  			wheelH = value;
  		}
  	}
  }
  
  void MouseController::hid_input_end()
  {
  	if (hid_input_begin_) {
  		mouseEvent = true;
  		hid_input_begin_ = false;
  	}
  }
  
  void MouseController::mouseDataClear() {
  	mouseEvent = false;
  	buttons = 0;
  	mouseX  = 0;
  	mouseY  = 0;
  	wheel   = 0;
  	wheelH  = 0;
  }
  
  
  bool MouseController::claim_bluetooth(BluetoothController *driver, uint32_t bluetooth_class, uint8_t *remoteName) 
  {
  	// How to handle combo devices? 
  	USBHDBGSerial.printf("MouseController Controller::claim_bluetooth - Class %x\n", bluetooth_class);
  	// If we are already in use than don't grab another one.  Likewise don't grab if it is used as USB or HID object
  	if (btdevice && (btdevice != (Device_t*)driver)) return false;
  	if (mydevice != NULL) return false;
  	if ((((bluetooth_class & 0xff00) == 0x2500) || (((bluetooth_class & 0xff00) == 0x500))) && (bluetooth_class & 0x80)) {
  		USBHDBGSerial.printf("MouseController::claim_bluetooth TRUE\n");
  		btdevice = (Device_t*)driver;	// remember this way 
  		return true;
  	}
  	return false;
  }
  
  bool MouseController::process_bluetooth_HID_data(const uint8_t *data, uint16_t length) 
  {
  	// Example DATA from bluetooth keyboard:
  	//                  0  1 2 3 4 5  6 7  8 910 1 2 3 4 5 6 7
  	//                           LEN         D
  	//BT rx2_data(14): b 20 a 0 6 0 71 0 a1 2 0 9 fe 0 
  	//BT rx2_data(14): b 20 a 0 6 0 71 0 a1 2 0 8 fd 0 
  
  	// So Len=9 passed in data starting at report ID=1... 
  	if (length == 0) return false;
  #ifdef USBHOST_PRINT_DEBUG
  	USBHDBGSerial.printf("MouseController::process_bluetooth_HID_data %d\n", length);
  	USBHDBGSerial.printf("  Mouse Data: ");
  	const uint8_t *p = (const uint8_t *)data;
  	uint16_t len = length;
  	do {
  		if (*p < 16) USBHDBGSerial.print('0');
  		USBHDBGSerial.print(*p++, HEX);
  		USBHDBGSerial.print(' ');
  	} while (--len);
  	USBHDBGSerial.println();
  #endif	
  	// Looks like report 2 is for the mouse info.
  	if (data[0] != 2) return false;
  	buttons = data[1];
  	mouseX  = (int8_t)data[2];
  	mouseY  = (int8_t)data[3];
  	if (length >= 5) {
  		wheel   = (int8_t)data[4];
  		if (length >= 6) {
  			wheelH = (int8_t)data[5];
  		}
  	}
  	mouseEvent = true;
  
  	return true;
  }
  
  void MouseController::release_bluetooth() 
  {
  	btdevice = nullptr;
  }