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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [CORTEX_AT91SAM3U256_IAR/] [AT91Lib/] [peripherals/] [can/] [can.h] - Rev 605
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/* ---------------------------------------------------------------------------- * ATMEL Microcontroller Software Support * ---------------------------------------------------------------------------- * Copyright (c) 2008, Atmel Corporation * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * - Redistributions of source code must retain the above copyright notice, * this list of conditions and the disclaimer below. * * Atmel's name may not be used to endorse or promote products derived from * this software without specific prior written permission. * * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ---------------------------------------------------------------------------- */ #ifndef _CAN_H #define _CAN_H //------------------------------------------------------------------------------ // Definitions //------------------------------------------------------------------------------ #define AT91C_CAN_TIMEOUT 100000 #define AT91C_TEST_NOK 0 #define AT91C_TEST_OK 1 #define CAN_STATUS_SUCCESS 0 #define CAN_STATUS_LOCKED 1 #define CAN_STATUS_ABORTED 2 #define CAN_STATUS_RESET 3 #if defined (AT91C_BASE_CAN) #define AT91C_BASE_CAN0 AT91C_BASE_CAN #endif #if defined (AT91C_ID_CAN) #define AT91C_ID_CAN0 AT91C_ID_CAN #endif #if defined (AT91C_BASE_CAN_MB0) #define AT91C_BASE_CAN0_MB0 AT91C_BASE_CAN_MB0 #define AT91C_BASE_CAN0_MB1 AT91C_BASE_CAN_MB1 #define AT91C_BASE_CAN0_MB2 AT91C_BASE_CAN_MB2 #define AT91C_BASE_CAN0_MB3 AT91C_BASE_CAN_MB3 #define AT91C_BASE_CAN0_MB4 AT91C_BASE_CAN_MB4 #define AT91C_BASE_CAN0_MB5 AT91C_BASE_CAN_MB5 #define AT91C_BASE_CAN0_MB6 AT91C_BASE_CAN_MB6 #define AT91C_BASE_CAN0_MB7 AT91C_BASE_CAN_MB7 #endif #if defined (AT91C_BASE_CAN_MB8) #define AT91C_BASE_CAN0_MB8 AT91C_BASE_CAN_MB8 #define AT91C_BASE_CAN0_MB9 AT91C_BASE_CAN_MB9 #define AT91C_BASE_CAN0_MB10 AT91C_BASE_CAN_MB10 #define AT91C_BASE_CAN0_MB11 AT91C_BASE_CAN_MB11 #define AT91C_BASE_CAN0_MB12 AT91C_BASE_CAN_MB12 #define AT91C_BASE_CAN0_MB13 AT91C_BASE_CAN_MB13 #define AT91C_BASE_CAN0_MB14 AT91C_BASE_CAN_MB14 #define AT91C_BASE_CAN0_MB15 AT91C_BASE_CAN_MB15 #endif #define NUM_MAILBOX_MAX 16 //------------------------------------------------------------------------------ // Types //------------------------------------------------------------------------------ typedef struct { volatile unsigned char state; volatile unsigned char can_number; volatile unsigned char mailbox_number; volatile unsigned char test_can; volatile unsigned int mode_reg; volatile unsigned int acceptance_mask_reg; volatile unsigned int identifier; volatile unsigned int data_low_reg; volatile unsigned int data_high_reg; volatile unsigned int control_reg; volatile unsigned int mailbox_in_use; volatile int size; } CanTransfer; //------------------------------------------------------------------------------ // Exported functions //------------------------------------------------------------------------------ extern unsigned char CAN_Init( unsigned int baudrate, CanTransfer *canTransferRead, CanTransfer *canTransferWrite ); extern void CAN_BasicTestSuite(void); extern void CAN_disable( void ); extern void CAN_ResetAllMailbox( void ); extern void CAN_ResetTransfer( CanTransfer *pTransfer ); extern void CAN_InitMailboxRegisters( CanTransfer *pTransfer ); extern unsigned char CAN_IsInIdle( CanTransfer *pTransfer ); extern unsigned char CAN_Write( CanTransfer *pTransfer ); extern unsigned char CAN_Read( CanTransfer *pTransfer ); extern void CAN_BasicTestSuiteWithoutInterrupt( void ); extern unsigned char CAN_IsInIdle( CanTransfer *pTransfer ); #endif // _CAN_H
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