board.h

AT91SAM7 SWI, Remap, GPIO, PIT and stdio Example ( Gamma )

/*----------------------------------------------------------------------------
*         ATMEL Microcontroller Software Support  -  ROUSSET  -
*----------------------------------------------------------------------------
* The software is delivered "AS IS" without warranty or condition of any
* kind, either express, implied or statutory. This includes without
* limitation any warranty or condition with respect to merchantability or
* fitness for any particular purpose, or against the infringements of
* intellectual property rights of others.
*----------------------------------------------------------------------------
* File Name           : Board.h
* Object              : AT91SAM7S Evaluation Board Features Definition File.
*
* Creation            : JPP   16/Jun/2004
*  1.1 14/Oct/05 JPP  : Change MCK
*----------------------------------------------------------------------------
*/

/* Modifications by Martin Thomas for the WinARM example :
   - define __inline as static inline
   - ramfunc for GNU-tools (see linker-script)
   - modifications for multiple submodels (7S64 and 7S256)
   - added definitons for OX SAM7-P
   - board defined by parameter
*/

#ifndef Board_h
#define Board_h

#if 0
// not needed: passed thru preprocessor from makefile
//#define __WINARMBOARD_ATMEL_AT91SAM7S_EK__
//#define __WINARMBOARD_OLIMEX_SAM7_P__
#endif

#define __inline static inline

#if defined(__WINARMSUBMDL_AT91SAM7S64__)
#include "AT91SAM7S64.h"
#include "lib_AT91SAM7S64.h"
#elif defined(__WINARMSUBMDL_AT91SAM7S128__)
#include "AT91SAM7S128.h"
#include "lib_AT91SAM7S128.h"
#elif defined(__WINARMSUBMDL_AT91SAM7S256__)
#include "AT91SAM7S256.h"
#include "lib_AT91SAM7S256.h"

#else
#error "Submodel undefined"
#endif

#define __ramfunc __attribute__ ((long_call, section (".fastrun")))

#ifndef true
#define true    -1
#define false    0
#endif

/*-------------------------------*/
/* SAM7Board Memories Definition */
/*-------------------------------*/
// The AT91SAM7S64  embeds a 16 kByte SRAM bank and  64 kByte Flash
// The AT91SAM7S128 embeds a 32 kByte SRAM bank and 128 kByte Flash
// The AT91SAM7S256 embeds a 64 kByte SRAM bank and 256 kByte Flash

#define  INT_SRAM           0x00200000
#define  INT_SRAM_REMAP     0x00000000

#define  INT_FLASH          0x00000000
#define  INT_FLASH_REMAP    0x00100000

#define  FLASH_PAGE_NB      AT91C_IFLASH_NB_OF_PAGES
#define  FLASH_PAGE_SIZE    AT91C_IFLASH_PAGE_SIZE

#if defined(__WINARMBOARD_ATMEL_AT91SAM7S_EK__)
/*-----------------*/
/* LEDs Definition */
/*-----------------*/
/*                                 PIO   Flash    PA    PB   PIN */
#define LED1            (1<<0)	/* PA0 / PGMEN0 & PWM0 TIOA0  48 */
#define LED2            (1<<1)	/* PA1 / PGMEN1 & PWM1 TIOB0  47 */
#define LED3            (1<<2)	/* PA2          & PWM2 SCK0   44 */
#define LED4            (1<<3)	/* PA3          & TWD  NPCS3  43 */
#define NB_LED          4
#define LED_MASK        (LED1|LED2|LED3|LED4)

/*-------------------------*/
/* Push Buttons Definition */
/*-------------------------*/
/*                                 PIO    Flash    PA    PB   PIN */
#define SW1_MASK        (1<<19)	/* PA19 / PGMD7  & RK   FIQ     13 */
#define SW2_MASK        (1<<20)	/* PA20 / PGMD8  & RF   IRQ0    16 */
#define SW3_MASK        (1<<15)	/* PA15 / PGM3   & TF   TIOA1   20 */
#define SW4_MASK        (1<<14)	/* PA14 / PGMD2  & SPCK PWM3    21 */
#define NB_SW           4
#define SW_MASK         (SW1_MASK|SW2_MASK|SW3_MASK|SW4_MASK)

#define SW1             (1<<19) // PA19
#define SW2             (1<<20) // PA20
#define SW3             (1<<15) // PA15
#define SW4             (1<<14) // PA14

#elif defined(__WINARMBOARD_OLIMEX_SAM7_P__)
/* LEDs */
#define LED1            (1<<18)	/* PA18 */
#define LED2            (1<<17)	/* PA17 */
#define NB_LED          2
#define LED_MASK        (LED1|LED2)
/* Buttons */
#define SW1_MASK        (1<<19)	/* PA19 / PGMD7  & RK   FIQ     13 */
#define SW2_MASK        (1<<20)	/* PA20 / PGMD8  & RF   IRQ0    16 */
#define NB_SW           2
#define SW_MASK         (SW1_MASK|SW2_MASK)
#define SW1             (1<<19) /* PA19 */
#define SW2             (1<<20) /* PA20 */

#else
#error "Unsupported board"
#endif

/*------------------*/
/* USART Definition */
/*------------------*/
/* SUB-D 9 points J3 DBGU (Atmel EK) */
#define DBGU_RXD          AT91C_PA9_DRXD     /* JP11 must be close (Atmel EK) */
#define DBGU_TXD          AT91C_PA10_DTXD    /* JP12 must be close (Atmel EK) */
#define AT91C_DBGU_BAUD   115200             /* Baud rate */

#define US_RXD_PIN        AT91C_PA5_RXD0     /* JP9 must be close (Atmel EK) */
#define US_TXD_PIN        AT91C_PA6_TXD0     /* JP7 must be close (Atmel EK) */
#define US_RTS_PIN        AT91C_PA7_RTS0     /* JP8 must be close (Atmel EK) */
#define US_CTS_PIN        T91C_PA8_CTS0      /* JP6 must be close (Atmel EK) */

/*--------------*/
/* Master Clock */
/*--------------*/

#define EXT_OC            18432000   // External ocillator MAINCK
#define MCK               48054857   // MCK (PLLRC div by 2)
#define MCKKHz            (MCK/1000) //

#endif /* Board_h */