| 0,0 → 1,74 |
|---|
| // ====================================================================== |
| // Common definitions for the USB driver |
| // |
| // Copyright (C) 2006 Dick Streefland |
| // |
| // This is free software, licensed under the terms of the GNU General |
| // Public License as published by the Free Software Foundation. |
| // ====================================================================== |
| |
| #ifdef __ASSEMBLER__ |
| #define __SFR_OFFSET 0 |
| #endif |
| #include <avr/io.h> |
| #include "usbtiny.h" |
| |
| // Preprocessor magic |
| #define CAT2(a,b) CAT2EXP(a, b) |
| #define CAT2EXP(a,b) a ## b |
| #define CAT3(a,b,c) CAT3EXP(a, b, c) |
| #define CAT3EXP(a,b,c) a ## b ## c |
| |
| // I/O Ports |
| #define USB_IN CAT2(PIN, USBTINY_PORT) |
| #define USB_OUT CAT2(PORT, USBTINY_PORT) |
| #define USB_DDR CAT2(DDR, USBTINY_PORT) |
| |
| // I/O bit masks |
| #define USB_MASK_DMINUS (1 << (USBTINY_DMINUS)) |
| #define USB_MASK_DPLUS (1 << (USBTINY_DPLUS)) |
| #define USB_MASK (USB_MASK_DMINUS | USB_MASK_DPLUS) |
| |
| // Interrupt configuration |
| #if defined EICRA |
| # define USB_INT_CONFIG EICRA |
| #else |
| # define USB_INT_CONFIG MCUCR |
| #endif |
| #define USB_INT_CONFIG_SET ((1 << CAT3(ISC,USBTINY_INT,1)) | (1 << CAT3(ISC,USBTINY_INT,0))) |
| #if defined SIG_INT0 |
| # define USB_INT_VECTOR CAT2(SIG_INT, USBTINY_INT) |
| #else |
| # define USB_INT_VECTOR CAT2(SIG_INTERRUPT, USBTINY_INT) |
| #endif |
| |
| // Interrupt enable |
| #if defined GIMSK |
| # define USB_INT_ENABLE GIMSK |
| #elif defined EIMSK |
| # define USB_INT_ENABLE EIMSK |
| #else |
| # define USB_INT_ENABLE GICR |
| #endif |
| #define USB_INT_ENABLE_BIT CAT2(INT,USBTINY_INT) |
| |
| // Interrupt pending bit |
| #if defined EIFR |
| # define USB_INT_PENDING EIFR |
| #else |
| # define USB_INT_PENDING GIFR |
| #endif |
| #define USB_INT_PENDING_BIT CAT2(INTF,USBTINY_INT) |
| |
| // USB PID values |
| #define USB_PID_SETUP 0x2d |
| #define USB_PID_OUT 0xe1 |
| #define USB_PID_IN 0x69 |
| #define USB_PID_DATA0 0xc3 |
| #define USB_PID_DATA1 0x4b |
| #define USB_PID_ACK 0xd2 |
| #define USB_PID_NAK 0x5a |
| #define USB_PID_STALL 0x1e |
| |
| // Various constants |
| #define USB_BUFSIZE 11 // PID + data + CRC |