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/*********************************************************************
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/*********************************************************************
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 *
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 *
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 *                  CAN definitions like behavior and bus speed
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 *                  CAN definitions like behavior and bus speed
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 *
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 *
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 *********************************************************************
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 *********************************************************************
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 * FileName:        $HeadURL: https://svn.auml.se/svn/HomeAutomation/trunk/EmbeddedSoftware/PIC/canBase/Include/CANdefs.h $
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 * FileName:        $HeadURL: https://svn.auml.se/svn/HomeAutomation/trunk/EmbeddedSoftware/PIC/canBase/Include/CANdefs.h $
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 * Last changed:    $LastChangedDate: 2006-11-14 10:55:38 +0100 (Tue, 14 Nov 2006) $
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 * Last changed:    $LastChangedDate: 2007-01-28 14:58:11 +0100 (Sun, 28 Jan 2007) $
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 * By:              $LastChangedBy: johboh $
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 * By:              $LastChangedBy: johboh $
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 * Revision:        $Revision: 86 $
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 * Revision:        $Revision: 260 $
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 ********************************************************************/
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 ********************************************************************/
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#ifndef CANDEFS_H
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#ifndef CANDEFS_H
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#define CANDEFS_H
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#define CANDEFS_H
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#include <compiler.h>
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#include <compiler.h>
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#define CAN_BAUD 0.500000 //in Mbits/s
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//#define CAN_BAUD 0.500000 //in Mbits/s
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//#define CAN_LOOPBACK_MODE
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//#define CAN_LOOPBACK_MODE
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// TQ(us) = (2 * (BRP + 1))/FOSC(MHz)
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// TQ(us) = (2 * (BRP + 1))/FOSC(MHz)
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// Nominal Bit Rate(kbit/s) = 1 / TBIT = 1 / (TQ(us) * 8)
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// Nominal Bit Rate(kbit/s) = 1 / TBIT = 1 / (TQ(us) * 8)
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// Where 8 is nominal bit time.
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// Where 8 is nominal bit time.
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// From this, BRP can be calculated.
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// From this, BRP can be calculated.
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//
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//
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// Nominal Bit Rate(kbit/s) = 1 / TBIT = 1 / ((2 * (BRP + 1))/FOSC(MHz) * 8)
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// Nominal Bit Rate(kbit/s) = 1 / TBIT = 1 / ((2 * (BRP + 1))/FOSC(MHz) * 8)
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#define CAN_BRP (int)(CLOCK_FOSC/(CAN_BAUD * 16) - 1)
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#define CAN_BRP (int)(CLOCK_FOSC/(CAN_BAUD * 16) - 1)
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#endif //CANdefs.h
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#endif //CANdefs.h
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