#pragma once

#include <avr/io.h>
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
#include <stdint.h>

void usb_init(void);			// initialize everything
uint8_t usb_configured(void);		// is the USB port configured

int8_t usb_keyboard_press(uint8_t key, uint8_t modifier);
int8_t usb_keyboard_send(void);
extern uint8_t keyboard_modifier_keys;
extern uint8_t keyboard_keys[6];
extern volatile uint8_t keyboard_leds;

extern uint16_t consumer_key;

// This file does not include the HID debug functions, so these empty
// macros replace them with nothing, so users can compile code that
// has calls to these functions.
#define usb_debug_putchar(c)
#define usb_debug_flush_output()

int8_t usb_extra_consumer_send();

/* Consumer Page(0x0C)
 * following are supported by Windows: http://msdn.microsoft.com/en-us/windows/hardware/gg463372.aspx
 */
#define AUDIO_MUTE              0x00E2
#define AUDIO_VOL_UP            0x00E9
#define AUDIO_VOL_DOWN          0x00EA
#define TRANSPORT_NEXT_TRACK    0x00B5
#define TRANSPORT_PREV_TRACK    0x00B6
#define TRANSPORT_STOP          0x00B7
#define TRANSPORT_PLAY_PAUSE    0x00CD
/* application launch */
#define AL_CC_CONFIG            0x0183
#define AL_EMAIL                0x018A
#define AL_CALCULATOR           0x0192
#define AL_LOCAL_BROWSER        0x0194
/* application control */
#define AC_SEARCH               0x0221
#define AC_HOME                 0x0223
#define AC_BACK                 0x0224
#define AC_FORWARD              0x0225
#define AC_STOP                 0x0226
#define AC_REFRESH              0x0227
#define AC_BOOKMARKS            0x022A
/* supplement for Bluegiga iWRAP HID(not supported by Windows?) */
#define AL_LOCK                 0x019E
#define TRANSPORT_RECORD        0x00B2
#define TRANSPORT_REWIND        0x00B4
#define TRANSPORT_EJECT         0x00B8
#define AC_MINIMIZE             0x0206

/* Generic Desktop Page(0x01) - system power control */
#define SYSTEM_POWER_DOWN       0x0081
#define SYSTEM_SLEEP            0x0082
#define SYSTEM_WAKE_UP          0x0083

// Everything below this point is only intended for usb_serial.c

#define EP_TYPE_CONTROL			0x00
#define EP_TYPE_BULK_IN			0x81
#define EP_TYPE_BULK_OUT		0x80
#define EP_TYPE_INTERRUPT_IN		0xC1
#define EP_TYPE_INTERRUPT_OUT		0xC0
#define EP_TYPE_ISOCHRONOUS_IN		0x41
#define EP_TYPE_ISOCHRONOUS_OUT		0x40

#define EP_SINGLE_BUFFER		0x02
#define EP_DOUBLE_BUFFER		0x06

#define EP_SIZE(s)	((s) == 64 ? 0x30 :	\
			((s) == 32 ? 0x20 :	\
			((s) == 16 ? 0x10 :	\
			             0x00)))

#define MAX_ENDPOINT		4

#define LSB(n) (n & 255)
#define MSB(n) ((n >> 8) & 255)

#if defined(__AVR_AT90USB162__)
#define HW_CONFIG()
#define PLL_CONFIG() (PLLCSR = ((1<<PLLE)|(1<<PLLP0)))
#define USB_CONFIG() (USBCON = (1<<USBE))
#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
#elif defined(__AVR_ATmega32U4__)
#define HW_CONFIG() (UHWCON = 0x01)
#define PLL_CONFIG() (PLLCSR = 0x12)
#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
#elif defined(__AVR_AT90USB646__)
#define HW_CONFIG() (UHWCON = 0x81)
#define PLL_CONFIG() (PLLCSR = 0x1A)
#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
#elif defined(__AVR_AT90USB1286__)
#define HW_CONFIG() (UHWCON = 0x81)
#define PLL_CONFIG() (PLLCSR = 0x16)
#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
#endif

// standard control endpoint request types
#define GET_STATUS			0
#define CLEAR_FEATURE			1
#define SET_FEATURE			3
#define SET_ADDRESS			5
#define GET_DESCRIPTOR			6
#define GET_CONFIGURATION		8
#define SET_CONFIGURATION		9
#define GET_INTERFACE			10
#define SET_INTERFACE			11
// HID (human interface device)
#define HID_GET_REPORT			1
#define HID_GET_IDLE			2
#define HID_GET_PROTOCOL		3
#define HID_SET_REPORT			9
#define HID_SET_IDLE			10
#define HID_SET_PROTOCOL		11
// CDC (communication class device)
#define CDC_SET_LINE_CODING		0x20
#define CDC_GET_LINE_CODING		0x21
#define CDC_SET_CONTROL_LINE_STATE	0x22