144 lines
4.5 KiB
C
144 lines
4.5 KiB
C
|
/* Name: usbportability.h
|
||
|
|
* Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers
|
||
|
|
* Author: Christian Starkjohann
|
||
|
|
* Creation Date: 2008-06-17
|
||
|
|
* Tabsize: 4
|
||
|
|
* Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH
|
||
|
|
* License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
General Description:
|
||
|
|
This header is intended to contain all (or at least most of) the compiler
|
||
|
|
and library dependent stuff. The C code is written for avr-gcc and avr-libc.
|
||
|
|
The API of other development environments is converted to gcc's and avr-libc's
|
||
|
|
API by means of defines.
|
||
|
|
|
||
|
|
This header also contains all system includes since they depend on the
|
||
|
|
development environment.
|
||
|
|
|
||
|
|
Thanks to Oleg Semyonov for his help with the IAR tools port!
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __usbportability_h_INCLUDED__
|
||
|
|
#define __usbportability_h_INCLUDED__
|
||
|
|
|
||
|
|
/* We check explicitly for IAR and CodeVision. Default is avr-gcc/avr-libc. */
|
||
|
|
|
||
|
|
/* ------------------------------------------------------------------------- */
|
||
|
|
#if defined __IAR_SYSTEMS_ICC__ || defined __IAR_SYSTEMS_ASM__ /* check for IAR */
|
||
|
|
/* ------------------------------------------------------------------------- */
|
||
|
|
|
||
|
|
#ifndef ENABLE_BIT_DEFINITIONS
|
||
|
|
# define ENABLE_BIT_DEFINITIONS 1 /* Enable bit definitions */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Include IAR headers */
|
||
|
|
#include <ioavr.h>
|
||
|
|
#ifndef __IAR_SYSTEMS_ASM__
|
||
|
|
# include <inavr.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define __attribute__(arg) /* not supported on IAR */
|
||
|
|
|
||
|
|
#ifdef __IAR_SYSTEMS_ASM__
|
||
|
|
# define __ASSEMBLER__ /* IAR does not define standard macro for asm */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __HAS_ELPM__
|
||
|
|
# define PROGMEM __farflash
|
||
|
|
#else
|
||
|
|
# define PROGMEM __flash
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define USB_READ_FLASH(addr) (*(PROGMEM char *)(addr))
|
||
|
|
|
||
|
|
/* The following definitions are not needed by the driver, but may be of some
|
||
|
|
* help if you port a gcc based project to IAR.
|
||
|
|
*/
|
||
|
|
#define cli() __disable_interrupt()
|
||
|
|
#define sei() __enable_interrupt()
|
||
|
|
#define wdt_reset() __watchdog_reset()
|
||
|
|
#define _BV(x) (1 << (x))
|
||
|
|
|
||
|
|
/* assembler compatibility macros */
|
||
|
|
#define nop2 rjmp $+2 /* jump to next instruction */
|
||
|
|
#define XL r26
|
||
|
|
#define XH r27
|
||
|
|
#define YL r28
|
||
|
|
#define YH r29
|
||
|
|
#define ZL r30
|
||
|
|
#define ZH r31
|
||
|
|
#define lo8(x) LOW(x)
|
||
|
|
#define hi8(x) (((x)>>8) & 0xff) /* not HIGH to allow XLINK to make a proper range check */
|
||
|
|
|
||
|
|
/* Depending on the device you use, you may get problems with the way usbdrv.h
|
||
|
|
* handles the differences between devices. Since IAR does not use #defines
|
||
|
|
* for MCU registers, we can't check for the existence of a particular
|
||
|
|
* register with an #ifdef. If the autodetection mechanism fails, include
|
||
|
|
* definitions for the required USB_INTR_* macros in your usbconfig.h. See
|
||
|
|
* usbconfig-prototype.h and usbdrv.h for details.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* ------------------------------------------------------------------------- */
|
||
|
|
#elif __CODEVISIONAVR__ /* check for CodeVision AVR */
|
||
|
|
/* ------------------------------------------------------------------------- */
|
||
|
|
/* This port is not working (yet) */
|
||
|
|
|
||
|
|
/* #define F_CPU _MCU_CLOCK_FREQUENCY_ seems to be defined automatically */
|
||
|
|
|
||
|
|
#include <io.h>
|
||
|
|
#include <delay.h>
|
||
|
|
|
||
|
|
#define __attribute__(arg) /* not supported on IAR */
|
||
|
|
|
||
|
|
#define PROGMEM __flash
|
||
|
|
#define USB_READ_FLASH(addr) (*(PROGMEM char *)(addr))
|
||
|
|
|
||
|
|
#ifndef __ASSEMBLER__
|
||
|
|
static inline void cli(void)
|
||
|
|
{
|
||
|
|
#asm("cli");
|
||
|
|
}
|
||
|
|
static inline void sei(void)
|
||
|
|
{
|
||
|
|
#asm("sei");
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#define _delay_ms(t) delay_ms(t)
|
||
|
|
#define _BV(x) (1 << (x))
|
||
|
|
#define USB_CFG_USE_SWITCH_STATEMENT 1 /* macro for if() cascase fails for unknown reason */
|
||
|
|
|
||
|
|
#define macro .macro
|
||
|
|
#define endm .endmacro
|
||
|
|
#define nop2 rjmp .+0 /* jump to next instruction */
|
||
|
|
|
||
|
|
/* ------------------------------------------------------------------------- */
|
||
|
|
#else /* default development environment is avr-gcc/avr-libc */
|
||
|
|
/* ------------------------------------------------------------------------- */
|
||
|
|
|
||
|
|
#include <avr/io.h>
|
||
|
|
#ifdef __ASSEMBLER__
|
||
|
|
# define _VECTOR(N) __vector_ ## N /* io.h does not define this for asm */
|
||
|
|
#else
|
||
|
|
# include <avr/pgmspace.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if USB_CFG_DRIVER_FLASH_PAGE
|
||
|
|
# define USB_READ_FLASH(addr) pgm_read_byte_far(((long)USB_CFG_DRIVER_FLASH_PAGE << 16) | (long)(addr))
|
||
|
|
#else
|
||
|
|
# define USB_READ_FLASH(addr) pgm_read_byte(addr)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define macro .macro
|
||
|
|
#define endm .endm
|
||
|
|
#define nop2 rjmp .+0 /* jump to next instruction */
|
||
|
|
|
||
|
|
#endif /* development environment */
|
||
|
|
|
||
|
|
/* for conveniecne, ensure that PRG_RDB exists */
|
||
|
|
#ifndef PRG_RDB
|
||
|
|
# define PRG_RDB(addr) USB_READ_FLASH(addr)
|
||
|
|
#endif
|
||
|
|
#endif /* __usbportability_h_INCLUDED__ */
|