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- #ifndef usb_serial_h__
- #define usb_serial_h__
-
- #include <stdint.h>
- #include "usb_com.h"
-
- void usb_init(void); // initialize everything
- uint8_t usb_configured(void); // is the USB port configured
-
- int8_t usb_keyboard_send(void);
-
-
- int8_t usb_debug_putchar(uint8_t c); // transmit a character
- void usb_debug_flush_output(void); // immediately transmit any buffered output
- #define USB_DEBUG_HID
-
-
- // 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
-
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