/******************************************************************************
 * @file     descriptors.c
 * @brief    NUC123 series USBD descriptor
 *
 * @note
 * Copyright (C) 2014~2015 Nuvoton Technology Corp. All rights reserved.
 ******************************************************************************/
/*!<Includes */
#include "NUC123.h"
#include "HID_Transfer_and_Keyboard.h"

/*!<USB HID Report Descriptor */
const uint8_t HID_DeviceReportDescriptor[] =
{
    0x06, 0x00, 0xFF,   // Usage Page = 0xFF00 (Vendor Defined Page 1)
    0x09, 0x01,         // Usage (Vendor Usage 1)
    0xA1, 0x01,         // Collection (Application)
    0x19, 0x01,         // Usage Minimum
    0x29, 0x40,         // Usage Maximum //64 input usages total (0x01 to 0x40)
    0x15, 0x00,         // Logical Minimum (data bytes in the report may have minimum value = 0x00)
    0x26, 0xFF, 0x00,   // Logical Maximum (data bytes in the report may have maximum value = 0x00FF = unsigned 255)
    0x75, 0x08,         // Report Size: 8-bit field size
    0x95, 0x40,         // Report Count: Make sixty-four 8-bit fields (the next time the parser hits
                        // an "Input", "Output", or "Feature" item)
    0x81, 0x00,         // Input (Data, Array, Abs): Instantiates input packet fields based on the
                        // above report size, count, logical min/max, and usage.
    0x19, 0x01,         // Usage Minimum
    0x29, 0x40,         // Usage Maximum //64 output usages total (0x01 to 0x40)
    0x91, 0x00,         // Output (Data, Array, Abs): Instantiates output packet fields. Uses same
                        // report size and count as "Input" fields, since nothing new/different was
                        // specified to the parser since the "Input" item.
    0xC0                // End Collection
};

const uint8_t HID_KeyboardReportDescriptor[] =
{
    0x05, 0x01,         /* Usage Page(Generic Desktop Controls) */
    0x09, 0x06,         /* Usage(Keyboard) */
    0xA1, 0x01,         /* Collection(Application) */
    0x05, 0x07,         /* Usage Page(Keyboard/Keypad) */
    0x19, 0xE0,         /* Usage Minimum(0xE0) */
    0x29, 0xE7,         /* Usage Maximum(0xE7) */
    0x15, 0x00,         /* Logical Minimum(0x0) */
    0x25, 0x01,         /* Logical Maximum(0x1) */
    0x75, 0x01,         /* Report Size(0x1) */
    0x95, 0x08,         /* Report Count(0x8) */
    0x81, 0x02,         /* Input (Data) => Modifier byte */
    0x95, 0x01,         /* Report Count(0x1) */
    0x75, 0x08,         /* Report Size(0x8) */
    0x81, 0x01,         /* Input (Constant) => Reserved byte */
    0x95, 0x05,         /* Report Count(0x5) */
    0x75, 0x01,         /* Report Size(0x1) */
    0x05, 0x08,         /* Usage Page(LEDs) */
    0x19, 0x01,         /* Usage Minimum(0x1) */
    0x29, 0x05,         /* Usage Maximum(0x5) */
    0x91, 0x02,         /* Output (Data) => LED report */
    0x95, 0x01,         /* Report Count(0x1) */
    0x75, 0x03,         /* Report Size(0x3) */
    0x91, 0x01,         /* Output (Constant) => LED report padding */
    0x95, 0x06,         /* Report Count(0x6) */
    0x75, 0x08,         /* Report Size(0x8) */
    0x15, 0x00,         /* Logical Minimum(0x0) */
    0x25, 0x65,         /* Logical Maximum(0x65) */
    0x05, 0x07,         /* Usage Page(Keyboard/Keypad) */
    0x19, 0x00,         /* Usage Minimum(0x0) */
    0x29, 0x65,         /* Usage Maximum(0x65) */
    0x81, 0x00,         /* Input (Data) */
    0xC0                /* End Collection */
};


/*----------------------------------------------------------------------------*/
/*!<USB Device Descriptor */
const uint8_t gu8DeviceDescriptor[] =
{
    LEN_DEVICE,     /* bLength */
    DESC_DEVICE,    /* bDescriptorType */
    0x10, 0x01,     /* bcdUSB */
    0x00,           /* bDeviceClass */
    0x00,           /* bDeviceSubClass */
    0x00,           /* bDeviceProtocol */
    EP0_MAX_PKT_SIZE,   /* bMaxPacketSize0 */
    /* idVendor */
    USBD_VID & 0x00FF,
    (USBD_VID & 0xFF00) >> 8,
    /* idProduct */
    USBD_PID & 0x00FF,
    (USBD_PID & 0xFF00) >> 8,
    0x00, 0x00,     /* bcdDevice */
    0x01,           /* iManufacture */
    0x02,           /* iProduct */
    0x03,           /* iSerialNumber */
    0x01            /* bNumConfigurations */
};

/*!<USB Configure Descriptor */
const uint8_t gu8ConfigDescriptor[] =
{
    LEN_CONFIG,     /* bLength */
    DESC_CONFIG,    /* bDescriptorType */
    /* wTotalLength */
    LEN_CONFIG_AND_SUBORDINATE & 0x00FF,
    (LEN_CONFIG_AND_SUBORDINATE & 0xFF00) >> 8,
    0x02,           /* bNumInterfaces */
    0x01,           /* bConfigurationValue */
    0x00,           /* iConfiguration */
    0x80 | (USBD_SELF_POWERED << 6) | (USBD_REMOTE_WAKEUP << 5),/* bmAttributes */
    USBD_MAX_POWER, /* MaxPower */

    /* I/F descr: HID */
    LEN_INTERFACE,  /* bLength */
    DESC_INTERFACE, /* bDescriptorType */
    0x00,           /* bInterfaceNumber */
    0x00,           /* bAlternateSetting */
    0x02,           /* bNumEndpoints */
    0x03,           /* bInterfaceClass */
    0x00,           /* bInterfaceSubClass */
    0x00,           /* bInterfaceProtocol */
    0x00,           /* iInterface */

    /* HID Descriptor */
    LEN_HID,        /* Size of this descriptor in UINT8s. */
    DESC_HID,       /* HID descriptor type. */
    0x10, 0x01,     /* HID Class Spec. release number. */
    0x00,           /* H/W target country. */
    0x01,           /* Number of HID class descriptors to follow. */
    DESC_HID_RPT,   /* Descriptor type. */
    /* Total length of report descriptor. */
    sizeof(HID_DeviceReportDescriptor) & 0x00FF,
    (sizeof(HID_DeviceReportDescriptor) & 0xFF00) >> 8,

    /* EP Descriptor: interrupt in. */
    LEN_ENDPOINT,                       /* bLength */
    DESC_ENDPOINT,                      /* bDescriptorType */
    (INT_IN_EP_NUM | EP_INPUT),         /* bEndpointAddress */
    EP_INT,                             /* bmAttributes */
    /* wMaxPacketSize */
    EP2_MAX_PKT_SIZE & 0x00FF,
    (EP2_MAX_PKT_SIZE & 0xFF00) >> 8,
    HID_DEFAULT_INT_IN_INTERVAL,        /* bInterval */

    /* EP Descriptor: interrupt out. */
    LEN_ENDPOINT,                       /* bLength */
    DESC_ENDPOINT,                      /* bDescriptorType */
    (INT_OUT_EP_NUM | EP_OUTPUT),       /* bEndpointAddress */
    EP_INT,                             /* bmAttributes */
    /* wMaxPacketSize */
    EP3_MAX_PKT_SIZE & 0x00FF,
    (EP3_MAX_PKT_SIZE & 0xFF00) >> 8,
    HID_DEFAULT_INT_IN_INTERVAL,        /* bInterval */
    
    /* I/F descr: HID - Keyboard */
    LEN_INTERFACE,                      /* bLength */
    DESC_INTERFACE,                     /* bDescriptorType */
    0x01,                               /* bInterfaceNumber */
    0x00,                               /* bAlternateSetting */
    0x01,                               /* bNumEndpoints */
    0x03,                               /* bInterfaceClass */
    0x00,                               /* bInterfaceSubClass */
    HID_KEYBOARD,                       /* bInterfaceProtocol */
    0x00,                               /* iInterface */

    /* HID Descriptor */
    LEN_HID,                            /* Size of this descriptor in UINT8s. */
    DESC_HID,                           /* HID descriptor type. */
    0x10, 0x01,                         /* HID Class Spec. release number. */
    0x00,                               /* H/W target country. */
    0x01,                               /* Number of HID class descriptors to follow. */
    DESC_HID_RPT,                       /* Descriptor type. */
    /* Total length of report descriptor. */
    sizeof(HID_KeyboardReportDescriptor) & 0x00FF,
    (sizeof(HID_KeyboardReportDescriptor) & 0xFF00) >> 8,

    /* EP Descriptor: interrupt in. */
    LEN_ENDPOINT,                       /* bLength */
    DESC_ENDPOINT,                      /* bDescriptorType */
    (HID_KB_EP_NUM | EP_INPUT),         /* bEndpointAddress */
    EP_INT,                             /* bmAttributes */
    /* wMaxPacketSize */
    EP4_MAX_PKT_SIZE & 0x00FF,
    (EP4_MAX_PKT_SIZE & 0xFF00) >> 8,
    HID_DEFAULT_INT_IN_INTERVAL         /* bInterval */
};

/*!<USB Language String Descriptor */
const uint8_t gu8StringLang[4] =
{
    4,              /* bLength */
    DESC_STRING,    /* bDescriptorType */
    0x09, 0x04
};

/*!<USB Vendor String Descriptor */
const uint8_t gu8VendorStringDesc[] =
{
    16,
    DESC_STRING,
    'N', 0, 'u', 0, 'v', 0, 'o', 0, 't', 0, 'o', 0, 'n', 0
};

/*!<USB Product String Descriptor */
const uint8_t gu8ProductStringDesc[] =
{
    22,
    DESC_STRING,
    'U', 0, 'S', 0, 'B', 0, ' ', 0, 'D', 0, 'e', 0, 'v', 0, 'i', 0, 'c', 0, 'e', 0
};



const uint8_t gu8StringSerial[26] =
{
    26,             // bLength
    DESC_STRING,    // bDescriptorType
    'A', 0, '0', 0, '2', 0, '0', 0, '1', 0, '4', 0, '0', 0, '9', 0, '0', 0, '3', 0, '0', 0, '4', 0
};

const uint8_t *gpu8UsbString[4] =
{
    gu8StringLang,
    gu8VendorStringDesc,
    gu8ProductStringDesc,
    gu8StringSerial
};

const uint8_t *gpu8UsbHidReport[3] =
{
    HID_DeviceReportDescriptor,
    HID_KeyboardReportDescriptor,
    NULL
};

const uint32_t gu32UsbHidReportLen[3] =
{
    sizeof(HID_DeviceReportDescriptor),
    sizeof(HID_KeyboardReportDescriptor),
    0
};

const uint32_t gu32ConfigHidDescIdx[3] =
{
    (LEN_CONFIG+LEN_INTERFACE),
    (sizeof(gu8ConfigDescriptor) - LEN_HID - LEN_ENDPOINT),
    0
};

const S_USBD_INFO_T gsInfo =
{
    gu8DeviceDescriptor,
    gu8ConfigDescriptor,
    gpu8UsbString,
    gpu8UsbHidReport,
    gu32UsbHidReportLen,
    gu32ConfigHidDescIdx
};

