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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [CORTEX_AT91SAM3U256_IAR/] [AT91Lib/] [peripherals/] [can/] [can.h] - Blame information for rev 580

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Line No. Rev Author Line
1 580 jeremybenn
/* ----------------------------------------------------------------------------
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 *         ATMEL Microcontroller Software Support
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 * ----------------------------------------------------------------------------
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 * Copyright (c) 2008, Atmel Corporation
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 *
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions are met:
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 *
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 * - Redistributions of source code must retain the above copyright notice,
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 * this list of conditions and the disclaimer below.
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 *
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 * Atmel's name may not be used to endorse or promote products derived from
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 * this software without specific prior written permission.
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 *
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 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * ----------------------------------------------------------------------------
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 */
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#ifndef _CAN_H
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#define _CAN_H
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//------------------------------------------------------------------------------
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//      Definitions
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//------------------------------------------------------------------------------
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#define AT91C_CAN_TIMEOUT         100000
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#define AT91C_TEST_NOK                 0
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#define AT91C_TEST_OK                  1
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#define CAN_STATUS_SUCCESS             0
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#define CAN_STATUS_LOCKED              1
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#define CAN_STATUS_ABORTED             2
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#define CAN_STATUS_RESET               3
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#if defined (AT91C_BASE_CAN)
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    #define AT91C_BASE_CAN0      AT91C_BASE_CAN
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#endif
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#if defined (AT91C_ID_CAN)
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    #define AT91C_ID_CAN0        AT91C_ID_CAN
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#endif
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#if defined (AT91C_BASE_CAN_MB0)
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    #define AT91C_BASE_CAN0_MB0  AT91C_BASE_CAN_MB0
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    #define AT91C_BASE_CAN0_MB1  AT91C_BASE_CAN_MB1
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    #define AT91C_BASE_CAN0_MB2  AT91C_BASE_CAN_MB2
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    #define AT91C_BASE_CAN0_MB3  AT91C_BASE_CAN_MB3
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    #define AT91C_BASE_CAN0_MB4  AT91C_BASE_CAN_MB4
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    #define AT91C_BASE_CAN0_MB5  AT91C_BASE_CAN_MB5
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    #define AT91C_BASE_CAN0_MB6  AT91C_BASE_CAN_MB6
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    #define AT91C_BASE_CAN0_MB7  AT91C_BASE_CAN_MB7
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#endif
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#if defined (AT91C_BASE_CAN_MB8)
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    #define AT91C_BASE_CAN0_MB8   AT91C_BASE_CAN_MB8
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    #define AT91C_BASE_CAN0_MB9   AT91C_BASE_CAN_MB9
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    #define AT91C_BASE_CAN0_MB10  AT91C_BASE_CAN_MB10
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    #define AT91C_BASE_CAN0_MB11  AT91C_BASE_CAN_MB11
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    #define AT91C_BASE_CAN0_MB12  AT91C_BASE_CAN_MB12
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    #define AT91C_BASE_CAN0_MB13  AT91C_BASE_CAN_MB13
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    #define AT91C_BASE_CAN0_MB14  AT91C_BASE_CAN_MB14
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    #define AT91C_BASE_CAN0_MB15  AT91C_BASE_CAN_MB15
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#endif
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#define NUM_MAILBOX_MAX 16
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//------------------------------------------------------------------------------
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//         Types
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//------------------------------------------------------------------------------
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typedef struct
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{
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    volatile unsigned char state;
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    volatile unsigned char can_number;
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    volatile unsigned char mailbox_number;
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    volatile unsigned char test_can;
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    volatile unsigned int  mode_reg;
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    volatile unsigned int  acceptance_mask_reg;
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    volatile unsigned int  identifier;
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    volatile unsigned int  data_low_reg;
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    volatile unsigned int  data_high_reg;
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    volatile unsigned int  control_reg;
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    volatile unsigned int  mailbox_in_use;
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    volatile int           size;
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} CanTransfer;
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//------------------------------------------------------------------------------
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//         Exported functions
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//------------------------------------------------------------------------------
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extern unsigned char CAN_Init( unsigned int baudrate,
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                               CanTransfer *canTransferRead,
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                               CanTransfer *canTransferWrite );
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extern void CAN_BasicTestSuite(void);
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extern void CAN_disable( void );
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extern void CAN_ResetAllMailbox( void );
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extern void CAN_ResetTransfer( CanTransfer *pTransfer );
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extern void CAN_InitMailboxRegisters( CanTransfer *pTransfer );
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extern unsigned char CAN_IsInIdle( CanTransfer *pTransfer );
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extern unsigned char CAN_Write( CanTransfer *pTransfer );
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extern unsigned char CAN_Read( CanTransfer *pTransfer );
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extern void CAN_BasicTestSuiteWithoutInterrupt( void );
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extern unsigned char CAN_IsInIdle( CanTransfer *pTransfer );
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#endif // _CAN_H
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