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This commit is contained in:
Wolfgang Hottgenroth
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CAN/mcp_can.h
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140
CAN/mcp_can.h
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/*
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mcp_can.h
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2012 Copyright (c) Seeed Technology Inc. All right reserved.
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Author:Loovee
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2014-1-16
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Contributor:
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Cory J. Fowler
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Latonita
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Woodward1
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Mehtajaghvi
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BykeBlast
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TheRo0T
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Tsipizic
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ralfEdmund
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Nathancheek
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BlueAndi
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Adlerweb
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Btetz
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Hurvajs
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The MIT License (MIT)
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Copyright (c) 2013 Seeed Technology Inc.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#ifndef _MCP2515_H_
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#define _MCP2515_H_
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#include "mcp_can_dfs.h"
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#define MAX_CHAR_IN_MESSAGE 8
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class MCP_CAN
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{
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private:
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INT8U m_nExtFlg; /* identifier xxxID */
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/* either extended (the 29 LSB) */
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/* or standard (the 11 LSB) */
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INT32U m_nID; /* can id */
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INT8U m_nDlc; /* data length: */
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INT8U m_nDta[MAX_CHAR_IN_MESSAGE]; /* data */
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INT8U m_nRtr; /* rtr */
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INT8U m_nfilhit;
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INT8U SPICS;
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/*
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* mcp2515 driver function
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*/
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// private:
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private:
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void mcp2515_reset(void); /* reset mcp2515 */
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INT8U mcp2515_readRegister(const INT8U address); /* read mcp2515's register */
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void mcp2515_readRegisterS(const INT8U address,
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INT8U values[],
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const INT8U n);
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void mcp2515_setRegister(const INT8U address, /* set mcp2515's register */
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const INT8U value);
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void mcp2515_setRegisterS(const INT8U address, /* set mcp2515's registers */
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const INT8U values[],
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const INT8U n);
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void mcp2515_initCANBuffers(void);
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void mcp2515_modifyRegister(const INT8U address, /* set bit of one register */
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const INT8U mask,
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const INT8U data);
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INT8U mcp2515_readStatus(void); /* read mcp2515's Status */
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INT8U mcp2515_setCANCTRL_Mode(const INT8U newmode); /* set mode */
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INT8U mcp2515_configRate(const INT8U canSpeed); /* set boadrate */
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INT8U mcp2515_init(const INT8U canSpeed); /* mcp2515init */
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void mcp2515_write_id( const INT8U mcp_addr, /* write can id */
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const INT8U ext,
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const INT32U id );
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void mcp2515_read_id( const INT8U mcp_addr, /* read can id */
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INT8U* ext,
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INT32U* id );
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void mcp2515_write_canMsg( const INT8U buffer_sidh_addr ); /* write can msg */
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void mcp2515_read_canMsg( const INT8U buffer_sidh_addr); /* read can msg */
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void mcp2515_start_transmit(const INT8U mcp_addr); /* start transmit */
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INT8U mcp2515_getNextFreeTXBuf(INT8U *txbuf_n); /* get Next free txbuf */
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/*
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* can operator function
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*/
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INT8U setMsg(INT32U id, INT8U ext, INT8U len, INT8U rtr, INT8U *pData); /* set message */
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INT8U setMsg(INT32U id, INT8U ext, INT8U len, INT8U *pData); /* set message */
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INT8U clearMsg(); /* clear all message to zero */
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INT8U readMsg(); /* read message */
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INT8U sendMsg(); /* send message */
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public:
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MCP_CAN(INT8U _CS);
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INT8U begin(INT8U speedset); /* init can */
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INT8U init_Mask(INT8U num, INT8U ext, INT32U ulData); /* init Masks */
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INT8U init_Filt(INT8U num, INT8U ext, INT32U ulData); /* init filters */
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INT8U sendMsgBuf(INT32U id, INT8U ext, INT8U rtr, INT8U len, INT8U *buf); /* send buf */
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INT8U sendMsgBuf(INT32U id, INT8U ext, INT8U len, INT8U *buf); /* send buf */
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INT8U readMsgBuf(INT8U *len, INT8U *buf); /* read buf */
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INT8U readMsgBufID(INT32U *ID, INT8U *len, INT8U *buf); /* read buf with object ID */
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INT8U checkReceive(void); /* if something received */
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INT8U checkError(void); /* if something error */
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INT32U getCanId(void); /* get can id when receive */
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INT8U isRemoteRequest(void); /* get RR flag when receive */
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INT8U isExtendedFrame(void); /* did we recieve 29bit frame? */
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};
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#endif
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/*********************************************************************************************************
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END FILE
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*********************************************************************************************************/
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