6 void usb_init(void); // initialize everything
7 uint8_t usb_configured(void); // is the USB port configured
9 int8_t usb_keyboard_press(uint8_t key, uint8_t modifier);
10 int8_t usb_keyboard_send(void);
11 extern uint8_t keyboard_modifier_keys;
12 extern uint8_t keyboard_keys[6];
13 extern volatile uint8_t keyboard_leds;
15 int8_t usb_debug_putchar(uint8_t c); // transmit a character
16 void usb_debug_flush_output(void); // immediately transmit any buffered output
20 // Everything below this point is only intended for usb_serial.c
21 #ifdef USB_SERIAL_PRIVATE_INCLUDE
23 #include <avr/pgmspace.h>
24 #include <avr/interrupt.h>
26 #define EP_TYPE_CONTROL 0x00
27 #define EP_TYPE_BULK_IN 0x81
28 #define EP_TYPE_BULK_OUT 0x80
29 #define EP_TYPE_INTERRUPT_IN 0xC1
30 #define EP_TYPE_INTERRUPT_OUT 0xC0
31 #define EP_TYPE_ISOCHRONOUS_IN 0x41
32 #define EP_TYPE_ISOCHRONOUS_OUT 0x40
34 #define EP_SINGLE_BUFFER 0x02
35 #define EP_DOUBLE_BUFFER 0x06
37 #define EP_SIZE(s) ((s) == 64 ? 0x30 : \
42 #define MAX_ENDPOINT 4
44 #define LSB(n) (n & 255)
45 #define MSB(n) ((n >> 8) & 255)
47 #if defined(__AVR_AT90USB162__)
49 #define PLL_CONFIG() (PLLCSR = ((1<<PLLE)|(1<<PLLP0)))
50 #define USB_CONFIG() (USBCON = (1<<USBE))
51 #define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
52 #elif defined(__AVR_ATmega32U4__)
53 #define HW_CONFIG() (UHWCON = 0x01)
54 #define PLL_CONFIG() (PLLCSR = 0x12)
55 #define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
56 #define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
57 #elif defined(__AVR_AT90USB646__)
58 #define HW_CONFIG() (UHWCON = 0x81)
59 #define PLL_CONFIG() (PLLCSR = 0x1A)
60 #define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
61 #define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
62 #elif defined(__AVR_AT90USB1286__)
63 #define HW_CONFIG() (UHWCON = 0x81)
64 #define PLL_CONFIG() (PLLCSR = 0x16)
65 #define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
66 #define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
69 // standard control endpoint request types
71 #define CLEAR_FEATURE 1
74 #define GET_DESCRIPTOR 6
75 #define GET_CONFIGURATION 8
76 #define SET_CONFIGURATION 9
77 #define GET_INTERFACE 10
78 #define SET_INTERFACE 11
79 // HID (human interface device)
80 #define HID_GET_REPORT 1
81 #define HID_GET_IDLE 2
82 #define HID_GET_PROTOCOL 3
83 #define HID_SET_REPORT 9
84 #define HID_SET_IDLE 10
85 #define HID_SET_PROTOCOL 11
86 // CDC (communication class device)
87 #define CDC_SET_LINE_CODING 0x20
88 #define CDC_GET_LINE_CODING 0x21
89 #define CDC_SET_CONTROL_LINE_STATE 0x22