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#ifndef usb_serial_h__
#define usb_serial_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;
// 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()
#define KEY_CTRL 0x01
#define KEY_SHIFT 0x02
#define KEY_ALT 0x04
#define KEY_GUI 0x08
#define KEY_LEFT_CTRL 0x01
#define KEY_LEFT_SHIFT 0x02
#define KEY_LEFT_ALT 0x04
#define KEY_LEFT_GUI 0x08
#define KEY_RIGHT_CTRL 0x10
#define KEY_RIGHT_SHIFT 0x20
#define KEY_RIGHT_ALT 0x40
#define KEY_RIGHT_GUI 0x80
#define KEY_A 4
#define KEY_B 5
#define KEY_C 6
#define KEY_D 7
#define KEY_E 8
#define KEY_F 9
#define KEY_G 10
#define KEY_H 11
#define KEY_I 12
#define KEY_J 13
#define KEY_K 14
#define KEY_L 15
#define KEY_M 16
#define KEY_N 17
#define KEY_O 18
#define KEY_P 19
#define KEY_Q 20
#define KEY_R 21
#define KEY_S 22
#define KEY_T 23
#define KEY_U 24
#define KEY_V 25
#define KEY_W 26
#define KEY_X 27
#define KEY_Y 28
#define KEY_Z 29
#define KEY_1 30
#define KEY_2 31
#define KEY_3 32
#define KEY_4 33
#define KEY_5 34
#define KEY_6 35
#define KEY_7 36
#define KEY_8 37
#define KEY_9 38
#define KEY_0 39
#define KEY_ENTER 40
#define KEY_ESC 41
#define KEY_BACKSPACE 42
#define KEY_TAB 43
#define KEY_SPACE 44
#define KEY_MINUS 45
#define KEY_EQUAL 46
#define KEY_LEFT_BRACE 47
#define KEY_RIGHT_BRACE 48
#define KEY_BACKSLASH 49
#define KEY_NUMBER 50
#define KEY_SEMICOLON 51
#define KEY_QUOTE 52
#define KEY_TILDE 53
#define KEY_COMMA 54
#define KEY_PERIOD 55
#define KEY_SLASH 56
#define KEY_CAPS_LOCK 57
#define KEY_F1 58
#define KEY_F2 59
#define KEY_F3 60
#define KEY_F4 61
#define KEY_F5 62
#define KEY_F6 63
#define KEY_F7 64
#define KEY_F8 65
#define KEY_F9 66
#define KEY_F10 67
#define KEY_F11 68
#define KEY_F12 69
#define KEY_PRINTSCREEN 70
#define KEY_SCROLL_LOCK 71
#define KEY_PAUSE 72
#define KEY_INSERT 73
#define KEY_HOME 74
#define KEY_PAGE_UP 75
#define KEY_DELETE 76
#define KEY_END 77
#define KEY_PAGE_DOWN 78
#define KEY_RIGHT 79
#define KEY_LEFT 80
#define KEY_DOWN 81
#define KEY_UP 82
#define KEY_NUM_LOCK 83
#define KEYPAD_SLASH 84
#define KEYPAD_ASTERIX 85
#define KEYPAD_MINUS 86
#define KEYPAD_PLUS 87
#define KEYPAD_ENTER 88
#define KEYPAD_1 89
#define KEYPAD_2 90
#define KEYPAD_3 91
#define KEYPAD_4 92
#define KEYPAD_5 93
#define KEYPAD_6 94
#define KEYPAD_7 95
#define KEYPAD_8 96
#define KEYPAD_9 97
#define KEYPAD_0 98
#define KEYPAD_PERIOD 99
// Everything below this point is only intended for usb_serial.c
#ifdef USB_SERIAL_PRIVATE_INCLUDE
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
#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
#endif
#endif