/*
 * @brief This file contains HID to I2C bridge example using USB ROM Drivers.
 *
 * @note
 * Copyright(C) NXP Semiconductors, 2013
 * All rights reserved.
 *
 * @par
 * Software that is described herein is for illustrative purposes only
 * which provides customers with programming information regarding the
 * LPC products.  This software is supplied "AS IS" without any warranties of
 * any kind, and NXP Semiconductors and its licensor disclaim any and
 * all warranties, express or implied, including all implied warranties of
 * merchantability, fitness for a particular purpose and non-infringement of
 * intellectual property rights.  NXP Semiconductors assumes no responsibility
 * or liability for the use of the software, conveys no license or rights under any
 * patent, copyright, mask work right, or any other intellectual property rights in
 * or to any products. NXP Semiconductors reserves the right to make changes
 * in the software without notification. NXP Semiconductors also makes no
 * representation or warranty that such application will be suitable for the
 * specified use without further testing or modification.
 *
 * @par
 * Permission to use, copy, modify, and distribute this software and its
 * documentation is hereby granted, under NXP Semiconductors' and its
 * licensor's relevant copyrights in the software, without fee, provided that it
 * is used in conjunction with NXP Semiconductors microcontrollers.  This
 * copyright, permission, and disclaimer notice must appear in all copies of
 * this code.
 */

#include "app_usbd_cfg.h"
#include "hid_i2c.h"

/*****************************************************************************
 * Private types/enumerations/variables
 ****************************************************************************/

/*****************************************************************************
 * Public types/enumerations/variables
 ****************************************************************************/

#define HID_FEATURE_REPORT_BYTES     1				/* size of report in Bytes */

/**
 * HID Report Descriptor
 */
const uint8_t HID_I2C_ReportDescriptor[] = {
	HID_UsagePageVendor(0x00),
	HID_Usage(0x01),
	HID_Collection(HID_Application),
	HID_LogicalMin(0),	/* value range: 0 - 0xFF */
	HID_LogicalMaxS(0xFF),
	HID_ReportSize(8),	/* 8 bits */
	HID_ReportCount(HID_I2C_PACKET_SZ),
	HID_Usage(0x01),
	HID_Input(HID_Data | HID_Variable | HID_Absolute),
	HID_ReportCount(HID_I2C_PACKET_SZ),
	HID_Usage(0x01),
	HID_Output(HID_Data | HID_Variable | HID_Absolute),
	HID_ReportCount(HID_FEATURE_REPORT_BYTES),
	HID_Usage(0x01),
	HID_Feature(HID_Data | HID_Variable | HID_Absolute),
	HID_EndCollection,
};
const uint16_t HID_I2C_ReportDescSize = sizeof(HID_I2C_ReportDescriptor);

/**
 * USB Standard Device Descriptor
 */
ALIGNED(4) const uint8_t USB_DeviceDescriptor[] = {
	USB_DEVICE_DESC_SIZE,			/* bLength */
	USB_DEVICE_DESCRIPTOR_TYPE,		/* bDescriptorType */
	WBVAL(0x0200),					/* bcdUSB: 2.00 */
	0x00,							/* bDeviceClass */
	0x00,							/* bDeviceSubClass */
	0x00,							/* bDeviceProtocol */
	USB_MAX_PACKET0,				/* bMaxPacketSize0 */
	WBVAL(0x1FC9),					/* idVendor */
	WBVAL(0x0088),					/* idProduct */
	WBVAL(0x0100),					/* bcdDevice: 1.00 */
	0x01,							/* iManufacturer */
	0x02,							/* iProduct */
	0x03,							/* iSerialNumber */
	0x01							/* bNumConfigurations */
};

/**
 * USB FSConfiguration Descriptor
 * All Descriptors (Configuration, Interface, Endpoint, Class, Vendor)
 */
ALIGNED(4) uint8_t USB_FsConfigDescriptor[] = {
	/* Configuration 1 */
	USB_CONFIGURATION_DESC_SIZE,			/* bLength */
	USB_CONFIGURATION_DESCRIPTOR_TYPE,		/* bDescriptorType */
	WBVAL(									/* wTotalLength */
		USB_CONFIGURATION_DESC_SIZE   +
		USB_INTERFACE_DESC_SIZE       +
		HID_DESC_SIZE                 +
		USB_ENDPOINT_DESC_SIZE        +
		USB_ENDPOINT_DESC_SIZE
		),
	0x01,							/* bNumInterfaces */
	0x01,							/* bConfigurationValue */
	0x00,							/* iConfiguration */
	USB_CONFIG_SELF_POWERED,		/* bmAttributes */
	USB_CONFIG_POWER_MA(100),		/* bMaxPower */

	/* Interface 0, Alternate Setting 0, HID Class */
	USB_INTERFACE_DESC_SIZE,		/* bLength */
	USB_INTERFACE_DESCRIPTOR_TYPE,	/* bDescriptorType */
	0x00,							/* bInterfaceNumber */
	0x00,							/* bAlternateSetting */
	0x02,							/* bNumEndpoints */
	USB_DEVICE_CLASS_HUMAN_INTERFACE,	/* bInterfaceClass */
	HID_SUBCLASS_NONE,				/* bInterfaceSubClass */
	HID_PROTOCOL_NONE,				/* bInterfaceProtocol */
	0x04,							/* iInterface */
	/* HID Class Descriptor */
	/* HID_DESC_OFFSET = 0x0012 */
	HID_DESC_SIZE,					/* bLength */
	HID_HID_DESCRIPTOR_TYPE,		/* bDescriptorType */
	WBVAL(0x0111),					/* bcdHID : 1.11*/
	0x00,							/* bCountryCode */
	0x01,							/* bNumDescriptors */
	HID_REPORT_DESCRIPTOR_TYPE,		/* bDescriptorType */
	WBVAL(sizeof(HID_I2C_ReportDescriptor)),	/* wDescriptorLength */
	/* Endpoint, HID Interrupt In */
	USB_ENDPOINT_DESC_SIZE,			/* bLength */
	USB_ENDPOINT_DESCRIPTOR_TYPE,	/* bDescriptorType */
	HID_EP_IN,						/* bEndpointAddress */
	USB_ENDPOINT_TYPE_INTERRUPT,	/* bmAttributes */
	WBVAL(HID_I2C_PACKET_SZ),		/* wMaxPacketSize */
	0x20,		/* 16ms */          /* bInterval */
	/* Endpoint, HID Interrupt Out */
	USB_ENDPOINT_DESC_SIZE,			/* bLength */
	USB_ENDPOINT_DESCRIPTOR_TYPE,	/* bDescriptorType */
	HID_EP_OUT,						/* bEndpointAddress */
	USB_ENDPOINT_TYPE_INTERRUPT,	/* bmAttributes */
	WBVAL(HID_I2C_PACKET_SZ),		/* wMaxPacketSize */
	0x20,							/* bInterval: 16ms */
	/* Terminator */
	0								/* bLength */
};

/**
 * USB String Descriptor (optional)
 */
const uint8_t USB_StringDescriptor[] = {
	/* Index 0x00: LANGID Codes */
	0x04,							/* bLength */
	USB_STRING_DESCRIPTOR_TYPE,		/* bDescriptorType */
	WBVAL(0x0409),					/* wLANGID  0x0409 = US English*/
	/* Index 0x01: Manufacturer */
	(18 * 2 + 2),					/* bLength (13 Char + Type + length) */
	USB_STRING_DESCRIPTOR_TYPE,		/* bDescriptorType */
	'N', 0,
	'X', 0,
	'P', 0,
	' ', 0,
	'S', 0,
	'e', 0,
	'm', 0,
	'i', 0,
	'c', 0,
	'o', 0,
	'n', 0,
	'd', 0,
	'u', 0,
	'c', 0,
	't', 0,
	'o', 0,
	'r', 0,
	's', 0,
	/* Index 0x02: Product */
	(12 * 2 + 2),					/* bLength (12 Char + Type + length) */
	USB_STRING_DESCRIPTOR_TYPE,		/* bDescriptorType */
	'L', 0,
	'P', 0,
	'C', 0,
	' ', 0,
	'I', 0,
	'2', 0,
	'C', 0,
	' ', 0,
	'H', 0,
	'I', 0,
	'D', 0,
	' ', 0,
	/* Index 0x03: Serial Number */
	(13 * 2 + 2),					/* bLength (13 Char + Type + length) */
	USB_STRING_DESCRIPTOR_TYPE,		/* bDescriptorType */
	'A', 0,
	'B', 0,
	'C', 0,
	'D', 0,
	'1', 0,
	'2', 0,
	'3', 0,
	'4', 0,
	'5', 0,
	'6', 0,
	'7', 0,
	'8', 0,
	'9', 0,
	/* Index 0x04: Interface 0, Alternate Setting 0 */
	(3 * 2 + 2),					/* bLength (3 Char + Type + length) */
	USB_STRING_DESCRIPTOR_TYPE,		/* bDescriptorType */
	'H', 0,
	'I', 0,
	'D', 0,
};
