#include "project.h"

#if 0
static const uint8_t keyboard_report_descriptor[] = {
  0x05, 0x01,                   /* USAGE_PAGE (Generic Desktop)         */
  0x09, 0x01,                   /* USAGE (Keyboard                      */
  0xa1, 0x01,                   /* COLLECTION (Application)             */
  0x05, 0x07,                   /*   USAGE_PAGE (Key Codes)             */
  0x19, 0xe0,                   /*     USAGE_MINIMUM (Control Left)     */
  0x29, 0xe7,                   /*     USAGE_MAXIMUM (GUI Right)        */
  0x15, 0x00,                   /*     LOGICAL_MINIMUM (0)              */
  0x25, 0x01,                   /*     LOGICAL_MAXIMUM (1)              */
  0x75, 0x01,                   /*     REPORT_SIZE (1)                  */
  0x95, 0x08,                   /*     REPORT_COUNT (8)                 */
  0x81, 0x02,                   /*     INPUT (Data,Var,Abs)             */
  0x95, 0x01,                   /*     REPORT_COUNT (1)                 */
  0x75, 0x08,                   /*     REPORT_SIZE (8)                  */
  0x81, 0x01,                   /*     INPUT (Cnst,Ary,Abs)             */
  0x95, 0x05,                   /*     REPORT_COUNT (5)                 */
  0x75, 0x01,                   /*     REPORT_SIZE (1)                  */
#if 0
  0x05, 0x08,                   /*   USAGE_PAGE (LEDs)                  */
  0x19, 0x01,                   /*     USAGE_MINIMUM (NumLock)          */
  0x29, 0x05,                   /*     USAGE_MAXIMUM (Kana)             */
  0x ? ?, 0x02,                 /*     OUTPUT (Data,Var,Abs)            */
  0x95, 0x01,                   /*     REPORT_COUNT (1)                 */
  0x75, 0x03,                   /*     REPORT_SIZE (3)                  */
  0x ? ?, 0x01,                 /*     OUTPUT (Cnst,Ary,Abs)             */
  0x95, 0x06,                   /*     REPORT_COUNT (6)                 */
  0x75, 0x03,                   /*     REPORT_SIZE (8)                  */
  0x15, 0x00,                   /*     LOGICAL_MINIMUM (0)              */
  0x25, 0xff, 0x00,             /*LOGICAL_MAXIMUM (255)           */
#endif
  0x05, 0x07,                   /*   USAGE_PAGE (Key Codes)             */
  0x19, 0x00,                   /*     USAGE_MINIMUM (?)                */
  0x29, 0x98,                   /*     USAGE_MAXIMUM (LANG 9)           */
  0xc0                          /* END_COLLECTION                       */
};
#endif

static const uint8_t keyboard_report_descriptor[] = {
  0x05, 0x01,                   /* Usage Page (Generic Desktop) */
  0x09, 0x06,                   /* Usage (Keyboard) */
  0xA1, 0x01,                   /* Collection (Application) */
  0x05, 0x07,                   /*   Usage page (Key Codes) */
  0x19, 0xE0,                   /*     Usage minimum (224) */
  0x29, 0xE7,                   /*     Usage maximum (231) */
  0x15, 0x00,                   /*     Logical minimum (0) */
  0x25, 0x01,                   /*     Logical maximum (1) */
  0x75, 0x01,                   /*     Report size (1) */
  0x95, 0x08,                   /*     Report count (8) */
  0x81, 0x02,                   /*     Input (data, variable, absolute) */
  0x95, 0x01,                   /*     Report count (1) */
  0x75, 0x08,                   /*     Report size (8) */
  0x81, 0x01,                   /*     Input (constant) */
  0x95, 0x06,                   /*     Report count (6) */
  0x75, 0x08,                   /*     Report size (8) */
  0x15, 0x00,                   /*     Logical minimum (0) */
  //0x25, 0x65,                   /*     Logical maximum (101) */
  0x26, 0xff, 0x00,             /*     Logical maximum (255) */
  //0x26, 0x7f, 0x00,             /*     Logical maximum (255) */
  0x05, 0x07,                   /*   Usage page (key codes) */
  0x19, 0x00,                   /*     Usage minimum (0) */
  0x2A, 0xff, 0x00,             /*     Usage maximum (255) */
//  0x29, 0x65,                   /*     Usage maximum (101) */
//  0x2A, 0xff, 0x03,             /*     Usage maximum (1023) */
  0x81, 0x00,                   /*   Input (data, array) */
  0x05, 0x01,                   /*   USAGE_PAGE (Generic Desktop)      */
  0x09, 0x80,                   /*   USAGE (System Control)            */
  0xA1, 0x01,                   /*   COLLECTION (Application)          */
  0x75, 0x02,                   /*   REPORT_SIZE (2)                   */
  0x95, 0x01,                   /*   REPORT_COUNT (1)                  */
  0x15, 0x01,                   /*   LOGICAL_MIN (1)                   */
  0x25, 0x03,                   /*   LOGICAL_MAX (3)                   */
  0x09, 0x82,                   /*   USAGE (System Sleep)              */
  0x09, 0x81,                   /*   USAGE (System Power Down)         */
  0x09, 0x83,                   /*   USAGE (System Wake Up)            */
  0x81, 0x60,                   /*   INPUT (Data Ary Abs NPrf Null)    */
  0x75, 0x06,                   /*   REPORT_SIZE (6)                   */
  0x81, 0x03,                   /*   INPUT (Cnst Var Abs)              */
  0xc0,                         /*   END COLLECTION                    */
  0xC0                          /* End Collection */
};


static const struct
{
  struct usb_hid_descriptor hid_descriptor;
  struct
  {
    uint8_t bReportDescriptorType;
    uint16_t wDescriptorLength;
  } __attribute__ ((packed)) hid_report;
} __attribute__ ((packed)) keyboard_function =
{
  .hid_descriptor =
  {
  .bLength = sizeof (keyboard_function),.bDescriptorType =
      USB_DT_HID,.bcdHID = 0x0100,.bCountryCode = 0,.bNumDescriptors = 1,}
  ,.hid_report =
  {
  .bReportDescriptorType = USB_DT_REPORT,.wDescriptorLength =
      sizeof (keyboard_report_descriptor),}
,};

const struct usb_endpoint_descriptor keyboard_endpoint = {
  .bLength = USB_DT_ENDPOINT_SIZE,
  .bDescriptorType = USB_DT_ENDPOINT,
  .bEndpointAddress = 0x81,
  .bmAttributes = USB_ENDPOINT_ATTR_INTERRUPT,
  .wMaxPacketSize = 9,
  .bInterval = 0x1              //0x20,
};

const struct usb_interface_descriptor keyboard_iface = {
  .bLength = USB_DT_INTERFACE_SIZE,
  .bDescriptorType = USB_DT_INTERFACE,
  .bInterfaceNumber = 0,
  .bAlternateSetting = 0,
  .bNumEndpoints = 1,
  .bInterfaceClass = USB_CLASS_HID,
  .bInterfaceSubClass = 1,      /* boot */
  .bInterfaceProtocol = 1,      /* keyboard */
  .iInterface = 5,

  .endpoint = &keyboard_endpoint,

  .extra = &keyboard_function,
  .extralen = sizeof (keyboard_function),
};


void
keyboard_get_descriptor (uint8_t ** buf, uint16_t * len)
{

  /* Handle the HID report descriptor. */
  *buf = (uint8_t *) keyboard_report_descriptor;
  *len = sizeof (keyboard_report_descriptor);
}

void
keyboard_test (void)
{
  static int c = 0;
  uint8_t buf[9] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 };


  buf[0] = (c >> 1) & 7;

  buf[2] = (c & 1) ? 12 : 0;

  c++;

  usbd_ep_write_packet (usbd_dev, 0x81, buf, 9);
}