bsp.h

这是用IAR开发的AT91SAM7X256的CAN测试代码

/*
*********************************************************************************************************
*                                            Atmel AT91 SAM7
*                                         Board Support Package
*
*                              (c) Copyright 2004, Micrium, Inc., Weston, FL
*                                          All Rights Reserved
*
*
* File : BSP.H
* By   : Jean J. Labrosse
*********************************************************************************************************
*/


#include "lib_AT91SAM7X256.h"

/*-----------------*/
/* Leds Definition */
/*-----------------*/
#define AT91B_LED1            (1<<19)       // AT91C_PIO_PB19 AT91C_PB19_PWM0 AT91C_PB19_TCLK1
#define AT91B_LED2            (1<<20)       // AT91C_PIO_PB20 AT91C_PB20_PWM1 AT91C_PB20_PWM1
#define AT91B_LED3            (AT91C_PIO_PB21)       // AT91C_PIO_PB21 AT91C_PB21_PWM2 AT91C_PB21_PCK1
#define AT91B_LED4            (AT91C_PIO_PB22)       // AT91C_PIO_PB22 AT91C_PB22_PWM3 AT91C_PB22_PCK2
#define AT91B_NB_LEB          4
#define AT91B_LED_MASK        (AT91B_LED1|AT91B_LED2|AT91B_LED3|AT91B_LED4)
#define AT91D_BASE_PIO_LED 	  (AT91C_BASE_PIOB)

#define AT91B_POWERLED        (1<<25)       // PB25


/*-------------------------------*/
/* JOYSTICK Position Definition  */
/*-------------------------------*/
#define AT91B_SW1           (1<<27)  // PB27 Up Button	  AT91C_PA21_TF  AT91C_PA21_NPCS10
#define AT91B_SW2           (1<<28)  // PB28 Down Button  AT91C_PA22_TK	 AT91C_PA22_SPCK1
#define AT91B_SW3           (1<<29)  // PB29 Left Button  AT91C_PA23_TD  AT91C_PA23_MOSI1
#define AT91B_SW4           (1<<30)  // PB30 Right Button AT91C_PA24_RD	 AT91C_PA24_MISO1
#define AT91B_SW5           (1<<25)  // PA25 Push Button  AT91C_PA25_RK	 AT91C_PA25_NPCS11
#define AT91B_SW_MASK       (AT91B_SW1|AT91B_SW2|AT91B_SW3|AT91B_SW4|AT91B_SW5)


#define AT91D_BASE_PIO_SW   (AT91C_BASE_PIOA)

/*------------------*/
/* CAN Definition   */
/*------------------*/
#define AT91B_CAN_TRANSCEIVER_RS  (1<<2)    // PA2

/*--------------*/
/* Clocks       */
/*--------------*/
#define AT91B_MAIN_OSC        18432000               // Main Oscillator MAINCK
#define AT91B_MCK             ((18432000*73/14)/2)   // Output PLL Clock

/*
*********************************************************************************************************
*                                            FUNCTION PROTOTYPES
*********************************************************************************************************
*/

/*--------------------------------*/
/* 8 segment digital Definition   */
/*--------------------------------*/
#define SEGMENT_A		  0x01	
#define SEGMENT_B		  0x02
#define SEGMENT_C		  0x04
#define SEGMENT_D		  0x08
#define SEGMENT_P		  0x10
#define SEGMENT_E		  0x20
#define SEGMENT_F		  0x80
#define SEGMENT_G		  0x40

#define DIGIT_F	(SEGMENT_A | SEGMENT_G | SEGMENT_E | SEGMENT_F)
#define DIGIT_E	(SEGMENT_A | SEGMENT_G | SEGMENT_E | SEGMENT_F | SEGMENT_D)
#define DIGIT_D	(SEGMENT_B | SEGMENT_C | SEGMENT_D | SEGMENT_G | SEGMENT_E)
#define DIGIT_C	(SEGMENT_A | SEGMENT_D | SEGMENT_E | SEGMENT_F)
#define DIGIT_B	(SEGMENT_C | SEGMENT_D | SEGMENT_F | SEGMENT_E | SEGMENT_G)
#define DIGIT_A	(SEGMENT_A | SEGMENT_B | SEGMENT_C | SEGMENT_F | SEGMENT_E | SEGMENT_G)
#define DIGIT_9	(SEGMENT_A | SEGMENT_B | SEGMENT_C | SEGMENT_F | SEGMENT_G)
#define DIGIT_8	(SEGMENT_A | SEGMENT_B | SEGMENT_C | SEGMENT_D | SEGMENT_F | SEGMENT_E | SEGMENT_G)
#define DIGIT_7	(SEGMENT_A | SEGMENT_B | SEGMENT_C)
#define DIGIT_6	(SEGMENT_A | SEGMENT_C | SEGMENT_D | SEGMENT_F | SEGMENT_E | SEGMENT_G)
#define DIGIT_5	(SEGMENT_A | SEGMENT_C | SEGMENT_D | SEGMENT_F | SEGMENT_G)
#define DIGIT_4	(SEGMENT_B | SEGMENT_C | SEGMENT_F | SEGMENT_G)
#define DIGIT_3	(SEGMENT_A | SEGMENT_B | SEGMENT_C | SEGMENT_D | SEGMENT_G)
#define DIGIT_2	(SEGMENT_A | SEGMENT_B | SEGMENT_D | SEGMENT_E | SEGMENT_G)
#define DIGIT_1	(SEGMENT_B | SEGMENT_C)
#define DIGIT_0	(SEGMENT_A | SEGMENT_B | SEGMENT_C | SEGMENT_D | SEGMENT_E | SEGMENT_F)

//*******************************************************************************************************
void  BSP_Init(void);
void  BSP_IntDisAll(void);

/*
*********************************************************************************************************
*                                             LED SERVICES
*********************************************************************************************************
*/

void  LED_Init(void);
void  LED_On(INT8U led);
void  LED_Off(INT8U led);
void  LED_Toggle(INT8U led);