108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
/** description
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* The PJRC USB keyboard interface
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*
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* See the '.c' file for copyright and such
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*
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* Modified 2013, Ben Blazak
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*
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* Should be included only by those files that wrap parts of it to conform with
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* '.../firmware/lib/usb.h'
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*
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* Notes:
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* - 'description' added
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* - `usb_keyboard_press()` removed
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* - the empty macros for `usb_debug_putchar()` and `usb_debug_flush_output()`
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* removed
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* - keycode macros removed
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*/
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// ----------------------------------------------------------------------------
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#ifndef usb_serial_h__
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#define usb_serial_h__
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#include <stdint.h>
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void usb_init(void); // initialize everything
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uint8_t usb_configured(void); // is the USB port configured
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int8_t usb_keyboard_send(void);
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extern uint8_t keyboard_modifier_keys;
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extern uint8_t keyboard_keys[6];
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extern volatile uint8_t keyboard_leds;
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// ----------------------------------------------------------------------------
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// Everything below this point is only intended for usb_serial.c
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#ifdef USB_SERIAL_PRIVATE_INCLUDE
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#include <avr/io.h>
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#include <avr/pgmspace.h>
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#include <avr/interrupt.h>
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#define EP_TYPE_CONTROL 0x00
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#define EP_TYPE_BULK_IN 0x81
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#define EP_TYPE_BULK_OUT 0x80
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#define EP_TYPE_INTERRUPT_IN 0xC1
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#define EP_TYPE_INTERRUPT_OUT 0xC0
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#define EP_TYPE_ISOCHRONOUS_IN 0x41
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#define EP_TYPE_ISOCHRONOUS_OUT 0x40
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#define EP_SINGLE_BUFFER 0x02
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#define EP_DOUBLE_BUFFER 0x06
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#define EP_SIZE(s) ((s) == 64 ? 0x30 : \
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((s) == 32 ? 0x20 : \
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((s) == 16 ? 0x10 : \
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0x00)))
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#define MAX_ENDPOINT 4
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#define LSB(n) (n & 255)
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#define MSB(n) ((n >> 8) & 255)
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#if defined(__AVR_AT90USB162__)
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#define HW_CONFIG()
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#define PLL_CONFIG() (PLLCSR = ((1<<PLLE)|(1<<PLLP0)))
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#define USB_CONFIG() (USBCON = (1<<USBE))
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#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
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#elif defined(__AVR_ATmega32U4__)
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#define HW_CONFIG() (UHWCON = 0x01)
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#define PLL_CONFIG() (PLLCSR = 0x12)
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#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
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#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
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#elif defined(__AVR_AT90USB646__)
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#define HW_CONFIG() (UHWCON = 0x81)
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#define PLL_CONFIG() (PLLCSR = 0x1A)
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#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
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#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
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#elif defined(__AVR_AT90USB1286__)
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#define HW_CONFIG() (UHWCON = 0x81)
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#define PLL_CONFIG() (PLLCSR = 0x16)
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#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
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#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
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#endif
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// standard control endpoint request types
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#define GET_STATUS 0
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#define CLEAR_FEATURE 1
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#define SET_FEATURE 3
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#define SET_ADDRESS 5
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#define GET_DESCRIPTOR 6
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#define GET_CONFIGURATION 8
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#define SET_CONFIGURATION 9
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#define GET_INTERFACE 10
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#define SET_INTERFACE 11
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// HID (human interface device)
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#define HID_GET_REPORT 1
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#define HID_GET_IDLE 2
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#define HID_GET_PROTOCOL 3
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#define HID_SET_REPORT 9
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#define HID_SET_IDLE 10
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#define HID_SET_PROTOCOL 11
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// CDC (communication class device)
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#define CDC_SET_LINE_CODING 0x20
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#define CDC_GET_LINE_CODING 0x21
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#define CDC_SET_CONTROL_LINE_STATE 0x22
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#endif
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#endif
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