562 lines
22 KiB
C
Executable File
562 lines
22 KiB
C
Executable File
/*****************************************************************************
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* Copyright (C) 2016, Huada Semiconductor Co., Ltd All rights reserved.
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*
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* This software is owned and published by:
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* Huada Semiconductor Co.,Ltd ("HDSC").
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*
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* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
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* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
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*
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* This software contains source code for use with HDSC
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* components. This software is licensed by HDSC to be adapted only
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* for use in systems utilizing HDSC components. HDSC shall not be
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* responsible for misuse or illegal use of this software for devices not
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* supported herein. HDSC is providing this software "AS IS" and will
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* not be responsible for issues arising from incorrect user implementation
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* of the software.
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*
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* Disclaimer:
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* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
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* REGARDING THE SOFTWARE (INCLUDING ANY ACCOMPANYING WRITTEN MATERIALS),
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* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
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* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
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* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
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* WARRANTY OF NONINFRINGEMENT.
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* HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
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* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
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* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
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* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
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* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
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* SAVINGS OR PROFITS,
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* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
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* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
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* FROM, THE SOFTWARE.
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*
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* This software may be replicated in part or whole for the licensed use,
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* with the restriction that this Disclaimer and Copyright notice must be
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* included with each copy of this software, whether used in part or whole,
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* at all times.
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*/
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/******************************************************************************/
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/** \file can.h
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**
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** A detailed description is available at
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** @link CanGroup CAN description @endlink
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**
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** - 2018-11-27 1.0 Lux First version for Device Driver Library of CAN
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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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* Include files
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******************************************************************************/
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#include "ddl.h"
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/* C binding of definitions if building with C++ compiler */
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/**
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*******************************************************************************
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** \defgroup CanGroup Controller Area Network(CAN)
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**
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******************************************************************************/
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//@{
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/*******************************************************************************
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* Global type definitions ('typedef')
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******************************************************************************/
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/**
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*******************************************************************************
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** \brief CAN 错误类型.
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******************************************************************************/
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typedef enum
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{
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NO_ERROR = 0U, ///< 无错误
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BIT_ERROR = 1U, ///< 位错误
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FORM_ERROR = 2U, ///< 形式错误
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STUFF_ERROR = 3U, ///< 填充错误
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ACK_ERROR = 4U, ///< 应答错误
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CRC_ERROR = 5U, ///< CRC错误
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UNKOWN_ERROR = 6U, ///< 未知错误
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}en_can_error_t;
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/**
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*******************************************************************************
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** \brief CAN传输缓冲器选择. (TCMD)
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******************************************************************************/
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typedef enum
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{
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CanPTBSel = 0U, ///< 主缓冲器选择
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CanSTBSel = 1U, ///< 副缓冲器选择
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}en_can_buffer_sel_t;
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/**
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*******************************************************************************
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** \brief CAN 警告限定.(AFWL)
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******************************************************************************/
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typedef struct stc_can_warning_limit
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{
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uint8_t CanWarningLimitVal; ///< 接收缓冲器将满限定
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uint8_t CanErrorWarningLimitVal; ///< 错误警告限定
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}stc_can_warning_limit_t;
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/**
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*******************************************************************************
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** \brief 筛选器类型.(ACF)
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******************************************************************************/
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typedef enum en_can_acf_format_en
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{
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CanStdFrames = 0x02u, ///< 仅接受标准帧
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CanExtFrames = 0x03u, ///< 仅接受扩展帧
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CanAllFrames = 0x00u, ///< 接收标准帧和扩展帧
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}en_can_acf_format_en_t;
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/**
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*******************************************************************************
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** \brief 筛选器组使能. (ACFEN)
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******************************************************************************/
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typedef enum en_can_filter_sel
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{
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CanFilterSel1 = 0u, ///< 筛选器组1使能
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CanFilterSel2 = 1u, ///< 筛选器组2使能
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CanFilterSel3 = 2u, ///< 筛选器组3使能
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CanFilterSel4 = 3u, ///< 筛选器组4使能
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CanFilterSel5 = 4u, ///< 筛选器组5使能
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CanFilterSel6 = 5u, ///< 筛选器组6使能
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CanFilterSel7 = 6u, ///< 筛选器组7使能
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CanFilterSel8 = 7u, ///< 筛选器组8使能
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}en_can_filter_sel_t;
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/**
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*******************************************************************************
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** \brief CAN 收发中断使能.(IE)
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******************************************************************************/
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typedef enum
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{
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//<<Can Rx or Tx Irq En
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CanRxIrqEn = 0x00000080, ///< 接收中断使能
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CanRxOverIrqEn = 0x00000040, ///< 接收上溢中断使能
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CanRxBufFullIrqEn = 0x00000020, ///< 接收缓冲器满中断使能
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CanRxBufAlmostFullIrqEn = 0x00000010, ///< 接收缓冲器将满中断使能
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CanTxPrimaryIrqEn = 0x00000008, ///< PTB发送中断使能
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CanTxSecondaryIrqEn = 0x00000004, ///< STB发送中断使能
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CanErrorIrqEn = 0x00000002, ///< 错误中断使能
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//<<Can Error Irq En
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CanErrorPassiveIrqEn = 0x00200000, ///< 错误被动中断使能
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CanArbiLostIrqEn = 0x00080000, ///< 仲裁失败中断使能
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CanBusErrorIrqEn = 0x00020000, ///< 总线错误中断使能
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}en_can_irq_type_t;
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/**
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*******************************************************************************
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** \brief CAN中断标志.(IF)
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******************************************************************************/
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typedef enum
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{
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CanTxBufFullIrqFlg = 0x00000001, ///< 发送缓冲器满标志
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CanRxIrqFlg = 0x00008000, ///< 接收中断标志
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CanRxOverIrqFlg = 0x00004000, ///< 接收上溢中断标志
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CanRxBufFullIrqFlg = 0x00002000, ///< 接收缓冲器满中断标志
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CanRxBufAlmostFullIrqFlg = 0x00001000, ///< 接收缓冲器将满中断标志
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CanTxPrimaryIrqFlg = 0x00000800, ///< PTB发送中断标志
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CanTxSecondaryIrqFlg = 0x00000400, ///< STB发送中断标志
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CanErrorIrqFlg = 0x00000200, ///< 错误中断标志
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CanAbortIrqFlg = 0x00000100, ///< 取消发送中断标志
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CanErrorWarningIrqFlg = 0x00800000, ///< 达到错误限定警告标志
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CanErrorPassivenodeIrqFlg = 0x00400000, ///< 错误被动节点标志
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CanErrorPassiveIrqFlg = 0x00100000, ///< 错误被动中断标志
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CanArbiLostIrqFlg = 0x00040000, ///< 仲裁失败中断标志
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CanBusErrorIrqFlg = 0x00010000, ///< 总线错误中断标志
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}en_can_irq_flag_type_t;
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/**
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*******************************************************************************
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** \brief CAN 模式.(CFG_STAT)
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******************************************************************************/
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typedef enum
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{
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CanExternalLoopBackMode = 0x40u, ///< 外部回环模式
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CanInternalLoopBackMode = 0x20u, ///< 内部回环模式
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CanTxSignalPrimaryMode = 0x10u, ///< PTB单次传输模式
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CanTxSignalSecondaryMode = 0x08u, ///< STB单次传输模式
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CanListenOnlyMode = 0xFFu, ///< 静默模式
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}en_can_mode_t;
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/**
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*******************************************************************************
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** \brief CAN 状态.(STAT)
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******************************************************************************/
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typedef enum
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{
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CanRxActive = 0x04, ///< 接收中状态
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CanTxActive = 0x02, ///< 发送中状态
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CanBusoff = 0x01, ///< 总线关闭状态
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}en_can_status_t;
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/**
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*******************************************************************************
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** \brief CAN 发送命令.(TCMD)
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******************************************************************************/
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typedef enum
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{
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CanPTBTxCmd = 0x10, ///< PTB发送命令
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CanPTBTxAbortCmd = 0x08, ///< PTB发送取消命令
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CanSTBTxOneCmd = 0x04, ///< STB单帧发送命令
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CanSTBTxAllCmd = 0x02, ///< STB所有帧命令
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CanSTBTxAbortCmd = 0x01, ///< STB发送取消命令
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}en_can_tx_cmd_t;
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/**
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*******************************************************************************
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** \brief CAN 副缓冲器发送模式选择.(TCTRL)
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******************************************************************************/
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typedef enum
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{
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CanSTBFifoMode = 0, ///< FIFO模式
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CanSTBPrimaryMode = 1, ///< 优先级模式
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}en_can_stb_mode_t;
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/**
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*******************************************************************************
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** \brief CAN 自应答.(RCTRL)
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******************************************************************************/
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typedef enum
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{
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CanSelfAckDisable = 0, ///< 无自应答
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CanSelfAckEnable = 1, ///< 使能自应答(LBME=1)
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}en_can_self_ack_en_t;
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/**
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*******************************************************************************
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** \brief 接收缓冲器上溢模式.(RCTRL)
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******************************************************************************/
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typedef enum
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{
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CanRxBufOverwritten = 0, ///< 最早接收到的数据被覆盖
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CanRxBufNotStored = 1, ///< 最新接收到的数据不被存储
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}en_can_rx_buf_mode_en_t;
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/**
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*******************************************************************************
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** \brief 接收缓冲器数据存储模式.(RCTRL)
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******************************************************************************/
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typedef enum
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{
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CanRxNormal = 0, ///< 正常模式
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CanRxAll = 1, ///< 存储所有(包括错误)数据
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}en_can_rx_buf_all_t;
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/**
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*******************************************************************************
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** \brief CAN 接收缓冲器状态.(RSTAT)
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******************************************************************************/
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typedef enum
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{
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CanRxBufEmpty = 0, ///< 空
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CanRxBufnotAlmostFull = 1, ///< 非空但小于警告限定值
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CanRxBufAlmostFull = 2, ///< 大于警告限定值但未满
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CanRxBufFull = 3, ///< 满(上溢)
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}en_can_rx_buf_status_t;
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/**
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*******************************************************************************
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** \brief CAN 发送缓冲器状态.(TSSTAT)
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******************************************************************************/
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typedef enum
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{
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CanTxBufEmpty = 0, ///< 空
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CanTxBufnotHalfFull = 1, ///< 小于等于半满
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CanTxBufHalfFull = 2, ///< 大于半满
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CanTxBufFull = 3, ///< 满
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}en_can_tx_buf_status_t;
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/**
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*******************************************************************************
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** \brief CAN 筛选器.
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******************************************************************************/
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typedef struct stc_can_filter
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{
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uint32_t u32CODE; ///< CODE
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uint32_t u32MASK; ///< MASK
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en_can_filter_sel_t enFilterSel; ///< 筛选器组选择
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en_can_acf_format_en_t enAcfFormat; ///< 筛选帧格式.
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}stc_can_filter_t;
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/**
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*******************************************************************************
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** \brief CAN 时序.
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******************************************************************************/
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typedef struct stc_can_bt
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{
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uint8_t SEG_1; ///< 位段1时间(Tseg_1 = (SEG_1 + 2)*TQ)
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uint8_t SEG_2; ///< 位段2时间(Tseg_2 = (SEG_2 + 1)*TQ)
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uint8_t SJW; ///< 再同步补偿宽度时间(Tsjw = (SJW + 1)*TQ)
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uint8_t PRESC; ///< CAN时钟预分频(TQ)
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}stc_can_bt_t;
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/**
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*******************************************************************************
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** \brief CAN 发送数据帧控制.
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******************************************************************************/
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typedef struct
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{
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uint32_t DLC : 4; ///< Data length code
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uint32_t RESERVED0 : 2; ///< Ignore
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uint32_t RTR : 1; ///< Remote transmission request
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uint32_t IDE : 1; ///< IDentifier extension
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uint32_t RESERVED1 : 24; ///< Ignore
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}stc_can_txcontrol_t;
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/**
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*******************************************************************************
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** \brief CAN 发送数据帧.
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******************************************************************************/
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typedef struct stc_can_txframe
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{
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union
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{
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uint32_t TBUF32_0; ///< Ignore
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uint32_t StdID; ///< Standard ID
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uint32_t ExtID; ///< Extended ID
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};
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union
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{
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uint32_t TBUF32_1; ///< Ignore
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stc_can_txcontrol_t Control_f; ///< CAN Tx Control
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};
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union
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{
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uint32_t TBUF32_2[2]; ///< Ignore
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uint8_t Data[8]; ///< CAN data
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};
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en_can_buffer_sel_t enBufferSel; ///< CAN Tx buffer select
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}stc_can_txframe_t;
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/**
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*******************************************************************************
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** \brief CAN 接收数据帧控制.
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******************************************************************************/
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typedef struct
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{
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uint8_t DLC : 4; ///< Data length code
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uint8_t RESERVED0 : 2; ///< Ignore
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uint8_t RTR : 1; ///< Remote transmission request
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uint8_t IDE : 1; ///< IDentifier extension
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}stc_can_rxcontrol_t;
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/**
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*******************************************************************************
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** \brief CAN接收数据帧状态.
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******************************************************************************/
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typedef struct
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{
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uint8_t RESERVED0 : 4; ///< Ignore
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uint8_t TX : 1; ///< TX is set to 1 if the loop back mode is activated
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uint8_t KOER : 3; ///< Kind of error
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}stc_can_status_t;
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/**
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*******************************************************************************
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** \brief CAN 数据控制、状态、CYCTIM.
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******************************************************************************/
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typedef struct
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{
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stc_can_rxcontrol_t Control_f; ///< @ref stc_can_rxcontrol_t
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stc_can_status_t Status_f; ///< @ref stc_can_status_t
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uint16_t CycleTime; ///< TTCAN cycletime
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}stc_can_cst_t;
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/**
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*******************************************************************************
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** \brief CAN 接收数据帧.
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******************************************************************************/
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typedef struct stc_can_rxframe
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{
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union
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{
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uint32_t RBUF32_0; ///< Ignore
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uint32_t StdID; ///< Standard ID
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uint32_t ExtID; ///< Extended ID
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};
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union
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{
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uint32_t RBUF32_1; ///< Ignore
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stc_can_cst_t Cst; ///< @ref stc_can_cst_t
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};
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union
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{
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uint32_t RBUF32_2[2]; ///< Ignore
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uint8_t Data[8]; ///< CAN data
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};
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}stc_can_rxframe_t;
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/**
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*******************************************************************************
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** \brief CAN 初始化配置.
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******************************************************************************/
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typedef struct stc_can_init_config
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{
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en_can_rx_buf_all_t enCanRxBufAll; ///< @ref en_can_rx_buf_all_t
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en_can_rx_buf_mode_en_t enCanRxBufMode; ///< @ref en_can_rx_buf_mode_en_t
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en_can_stb_mode_t enCanSTBMode; ///< @ref en_can_stb_mode_t
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stc_can_bt_t stcCanBt; ///< @ref stc_can_bt_t
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stc_can_warning_limit_t stcWarningLimit; ///< @ref stc_can_warning_limit_t
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}stc_can_init_config_t;
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/**
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*******************************************************************************
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** \brief CAN TTCAN
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******************************************************************************/
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/**
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*******************************************************************************
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** \brief TTCAN 缓冲器选择
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******************************************************************************/
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typedef enum
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{
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CanTTcanPTBSel = 0x00u, ///< PTB
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CanTTcanSTB1Sel = 0x01u, ///< STB1
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CanTTcanSTB2Sel = 0x02u, ///< STB2
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CanTTcanSTB3Sel = 0x03u, ///< STB3
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CanTTcanSTB4Sel = 0x04u, ///< STB4
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}en_can_ttcan_tbslot_t;
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/**
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*******************************************************************************
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** \brief TTCAN 计数器预分频
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******************************************************************************/
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typedef enum
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{
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CanTTcanTprescDiv1 = 0x00u, ///< Div1
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CanTTcanTprescDiv2 = 0x01u, ///< Div2
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CanTTcanTprescDiv3 = 0x02u, ///< Div3
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CanTTcanTprescDiv4 = 0x03u, ///< Div4
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}en_can_ttcan_Tpresc_t;
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/**
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*******************************************************************************
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** \brief TTCAN 触发类型
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******************************************************************************/
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typedef enum
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{
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CanTTcanImmediate = 0x00, ///< 立即触发
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CanTTcanTime = 0x01, ///< 时间触发
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CanTTcanSingle = 0x02, ///< 单次发送触发
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CanTTcanTransStart = 0x03, ///< 发送开始触发
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CanTTcanTransStop = 0x04, ///< 发送停止触发
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}en_can_ttcan_trigger_type_t;
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/**
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*******************************************************************************
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** \brief TTCAN 触发中断标志
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******************************************************************************/
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typedef enum
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{
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CanTTcanWdtTriggerIrq = 0x80, ///< 触发看门中断标志
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CanTTcanErrorTriggerIrq = 0x10, ///< 触发错误中断标志
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CanTTcanTimTriggerIrq = 0x10, ///< 时间触发中断标志
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}en_can_ttcan_irq_type_t;
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typedef struct stc_can_ttcan_ref_msg
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{
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uint8_t u8IDE; ///< Reference message IDE:1-Extended; 0-Standard;
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union ///< Reference message ID
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{
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uint32_t RefStdID; ///< Reference standard ID
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uint32_t RefExtID; ///< Reference Extended ID
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};
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}stc_can_ttcan_ref_msg_t;
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typedef struct stc_can_ttcan_trigger_config
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{
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en_can_ttcan_tbslot_t enTbSlot; ///< Transmit trigger TB slot pointer
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en_can_ttcan_trigger_type_t enTrigType; ///< Trigger type
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en_can_ttcan_Tpresc_t enTpresc; ///< Timer prescaler
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uint8_t u8Tew; ///< Transmit enable window
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uint16_t u16TrigTime; ///< TTCAN trigger time
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uint16_t u16WatchTrigTime; ///< TTCAN watch trigger time register
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}stc_can_ttcan_trigger_config_t;
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|
|
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/*******************************************************************************
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|
* Global pre-processor symbols/macros ('#define')
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******************************************************************************/
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|
|
|
|
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/*******************************************************************************
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|
* Global variable definitions ('extern')
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|
******************************************************************************/
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|
|
/*******************************************************************************
|
|
* Global function prototypes (definition in C source)
|
|
******************************************************************************/
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///< CAN 初始化配置
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void CAN_Init(stc_can_init_config_t *pstcCanInitCfg);
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///< CAN 去初始化
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|
void CAN_DeInit(void);
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|
///< CAN 中断控制
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void CAN_IrqCmd(en_can_irq_type_t enCanIrqType, boolean_t enNewState);
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|
///< CAN 中断标志获取
|
|
boolean_t CAN_IrqFlgGet(en_can_irq_flag_type_t enCanIrqFlgType);
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|
///< CAN 中断标志清除
|
|
void CAN_IrqFlgClr(en_can_irq_flag_type_t enCanIrqFlgType);
|
|
///< CAN 模式配置
|
|
void CAN_ModeConfig(en_can_mode_t enMode, en_can_self_ack_en_t enCanSAck, boolean_t enNewState);
|
|
///< CAN 错误类型获取
|
|
en_can_error_t CAN_ErrorStatusGet(void);
|
|
///< CAN CAN状态获取
|
|
boolean_t CAN_StatusGet(en_can_status_t enCanStatus);
|
|
///< CAN 筛选器配置
|
|
void CAN_FilterConfig(stc_can_filter_t *pstcFilter, boolean_t enNewState);
|
|
///< CAN 发送数据帧配置
|
|
void CAN_SetFrame(stc_can_txframe_t *pstcTxFrame);
|
|
///< CAN 数据帧传输命令
|
|
void CAN_TransmitCmd(en_can_tx_cmd_t enTxCmd);
|
|
///< CAN 发送缓冲状态获取
|
|
en_can_tx_buf_status_t CAN_TxBufStatusGet(void);
|
|
///< CAN 数据帧接收
|
|
void CAN_Receive(stc_can_rxframe_t *pstcRxFrame);
|
|
///< CAN 接收缓冲状态获取
|
|
en_can_rx_buf_status_t CAN_RxBufStatusGet(stc_can_rxframe_t *pstcRxFrame);
|
|
|
|
///< CAN 仲裁捕获
|
|
uint8_t CAN_ArbitrationLostCap(void);
|
|
///< CAN 接收错误计数值获取
|
|
uint8_t CAN_RxErrorCntGet(void);
|
|
///< CAN 发送错误计数值获取
|
|
uint8_t CAN_TxErrorCntGet(void);
|
|
|
|
|
|
//<< void CAN_TTCAN_Enable(void);
|
|
//<< void CAN_TTCAN_Disable(void);
|
|
//<< void CAN_TTCAN_IrqCmd(void);
|
|
//<< void CAN_TTCAN_ReferenceMsgSet(stc_can_ttcan_ref_msg_t *pstcRefMsg);
|
|
//<< void CAN_TTCAN_TriggerConfig(stc_can_ttcan_trigger_config_t *pstcTriggerCfg);
|
|
|
|
//@} // CanGroup
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __CAN_H__ */
|
|
|
|
/*******************************************************************************
|
|
* EOF (not truncated)
|
|
******************************************************************************/
|
|
|