159 lines
6.9 KiB
C
159 lines
6.9 KiB
C
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/*******************************************************************************
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* DISCLAIMER
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* This software is supplied by Renesas Electronics Corporation and is only
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* intended for use with Renesas products. No other uses are authorized. This
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* software is owned by Renesas Electronics Corporation and is protected under
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* all applicable laws, including copyright laws.
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* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
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* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
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* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
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* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
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* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
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* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
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* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
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* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
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* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* Renesas reserves the right, without notice, to make changes to this software
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* and to discontinue the availability of this software. By using this software,
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* you agree to the additional terms and conditions found by accessing the
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* following link:
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* http://www.renesas.com/disclaimer
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*
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* Copyright (C) 2013 Renesas Electronics Corporation. All rights reserved.
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*******************************************************************************/
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/*******************************************************************************
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* File Name : r_rl78_can_drv.h
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* Version : 1.0
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* Description : This is header file for CAN driver code.
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******************************************************************************/
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/*****************************************************************************
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* History : DD.MM.YYYY Version Description
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* : 29.03.2013 1.00 First Release
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******************************************************************************/
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#ifndef R_RL78_CAN_DRV_H
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#define R_RL78_CAN_DRV_H
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typedef signed char CHAR;
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typedef unsigned char UCHAR;
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typedef signed short INT;
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typedef unsigned short UINT;
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typedef unsigned int Can_RtnType;
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typedef UCHAR can_ch_t;
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typedef UCHAR can_rxfifo_t;
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typedef UCHAR can_trfifo_t;
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typedef UCHAR can_txbuf_t;
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/* ---- Channel ---- */
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#define CAN_CH0 0U
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/* ---- Rx FIFO ---- */
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#define CAN_RXFIFO0 0U
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#define CAN_RXFIFO1 1U
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#define CAN_MAX_RXFIFO_NUM 2U
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/* ---- Common (Tx/Rx) FIFO ---- */
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#define CAN_TRFIFO0 0U
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#define CAN_MAX_TRFIFO_NUM 1U
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/* ---- Tx buffers ---- */
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#define CAN_TXBUF0 0U
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#define CAN_TXBUF1 1U
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#define CAN_TXBUF2 2U
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#define CAN_TXBUF3 3U
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#define CAN_MAX_TXBUF_NUM 4U
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/* ---- CAN frame ----- */
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typedef struct
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{
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UINT IDL:16; /* ID Data (low) */
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UINT IDH:13; /* ID Data (high) */
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UINT THDSE :1; /* Transmit History Data Store Enable */
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UINT RTR :1; /* RTR 0:Data 1:Remote */
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UINT IDE :1; /* IDE 0:Standard 1:Extend */
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UINT TS :16; /* Timestamp Data */
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UINT LBL :12; /* Label Data */
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UINT DLC :4; /* DLC Data */
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UCHAR DB[8]; /* Data Byte */
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} can_frame_t;
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#if 0
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//only for test
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typedef struct _IoInput_
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{
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/*previous value,middle variable value , finally value of the switches,used for
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cleaning up the botton's dithering*/
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UINT unused : 1;
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UINT swIn : 1; /* Read from I/O pin.*/
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UINT in : 1; /* Used by program,related to inMode.*/
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UINT preSwIn : 1; /* Previous value read from I/O pin.*/
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UINT preVal : 1;
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UINT curVal : 1;
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UINT inMode : 2;
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UINT shakeCnt : 4; /* Switch shaking counter */
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UINT shakeNum : 4; /* Switvh shaking number */
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} IoInput;
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#endif
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extern const UCHAR g_rxfifo0_use_mode;
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extern const UCHAR g_rxfifo1_use_mode;
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extern const UCHAR g_trfifo_use_mode;
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extern const UCHAR g_fifo_lost_isr;
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extern const UINT g_rxrule_table[][6];
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/* ---- Configuration ---- */
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#define CAN_NOUSE 0x00U
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#define CAN_USE 0x80U
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#define CAN_USE_RX_MODE 0x81U
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#define CAN_USE_TX_MODE 0x82U
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#define CAN_USE_CH_MASK 0x07U
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/* ---- function return value ---- */
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#define CAN_RTN_OK 0U
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#define CAN_RTN_OK_WITH_LOST 1U
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#define CAN_RTN_FIFO_FULL 2U
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#define CAN_RTN_BUFFER_EMPTY 3U
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#define CAN_RTN_MODE_WAIT 4U
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#define CAN_RTN_RAM_INIT 5U
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#define CAN_RTN_TRANSMITTING 0U
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#define CAN_RTN_TX_ABORT_OVER 1U
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#define CAN_RTN_TX_END 2U
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#define CAN_RTN_TX_END_WITH_ABORT_REQ 3U
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#define CAN_RTN_ERROR (0x8000U)
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#define CAN_RTN_ARG_ERROR (CAN_RTN_ERROR + 0x7FFF)
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#define CAN_RTN_STS_ERROR (CAN_RTN_ERROR + 0x7FFE)
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#define CAN_RTN_OVERWRITE (CAN_RTN_ERROR + 0x7FFD)
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#define CAN_RTN_MODE_ERROR (CAN_RTN_ERROR + 0x7FFC)
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/******************************************************************************
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Exported global functions (to be accessed by other files)
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******************************************************************************/
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extern Can_RtnType R_CAN_Init(void);
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extern Can_RtnType R_CAN_GlobalStart(void);
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extern Can_RtnType R_CAN_ChStart_CH0(void);
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extern Can_RtnType R_CAN_TrmByTxBuf_CH0(can_txbuf_t, const can_frame_t *);
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extern Can_RtnType R_CAN_AbortTrm_CH0(can_txbuf_t);
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extern Can_RtnType R_CAN_CheckTxBufResult_CH0(can_txbuf_t);
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extern Can_RtnType R_CAN_TrmByTRFIFO0_CH0(const can_frame_t *);
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extern Can_RtnType R_CAN_ReadRxBuffer(UCHAR *, can_frame_t *);
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extern Can_RtnType R_CAN_ReadRxFIFO(can_rxfifo_t, can_frame_t *);
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extern Can_RtnType R_CAN_ReadTRFIFO0_CH0(can_frame_t *);
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extern Can_RtnType R_CAN_ReadChStatus_CH0(void);
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void enable_interrupt_request_mask(void);
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#define R_CAN_ChStart(val1) (R_CAN_ChStart_CH0())
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#define R_CAN_TrmByTxBuf(val1, val2, val3) (R_CAN_TrmByTxBuf_CH0(val2, val3))
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#define R_CAN_AbortTrm(val1, val2) (R_CAN_AbortTrm_CH0(val2))
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#define R_CAN_CheckTxBufResult(val1, val2) (R_CAN_CheckTxBufResult_CH0(val2))
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#define R_CAN_TrmByTRFIFO(val1, val2, val3) (R_CAN_TrmByTRFIFO_CH0(val3))
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#define R_CAN_ReadTRFIFO(val1, val2, val3) (R_CAN_ReadTRFIFO0_CH0(val3))
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#define R_CAN_ReadChStatus(val1) (R_CAN_ReadChStatus_CH0())
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extern void CanUserInit(void);
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extern can_frame_t frame,frame1;
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#endif /* R_RL78_CAN_DRV_H */
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