| /* ---------------------------------------------------------------------------- | |
| * 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 | |