#ifndef USB_H #define USB_H 1 #include <stdint.h> #include <avr/io.h> void usb_init(void); // initialize everything uint8_t usb_configured(void); // is the USB port configured #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 #define HID_REPORT_INPUT 1 #define HID_REPORT_OUTPUT 2 #define HID_REPORT_FEATURE 3 // CDC (communication class device) #define CDC_SET_LINE_CODING 0x20 #define CDC_GET_LINE_CODING 0x21 #define CDC_SET_CONTROL_LINE_STATE 0x22 #endif