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  1. #ifndef CANDEFS_H
  2. #define CANDEFS_H
  3.  
  4. #include "../Include/compiler.h"
  5.  
  6. #define CAN_BAUD 0.250000 //in Mbits/s
  7. #define CAN_LOOPBACK_MODE
  8.  
  9.  
  10. // TQ(us) = (2 * (BRP + 1))/FOSC(MHz)
  11. // Nominal Bit Rate(kbit/s) = 1 / TBIT = 1 / (TQ(us) * 8)
  12. // Where 8 is nominal bit time.
  13. // From this, BRP can be calculated.
  14. //
  15. // Nominal Bit Rate(kbit/s) = 1 / TBIT = 1 / ((2 * (BRP + 1))/FOSC(MHz) * 8)
  16.                    
  17. #define CAN_BRP (int)(CLOCK_FOSC/(CAN_BAUD * 16) - 1)
  18.  
  19.  
  20. #endif //CANdefs.h
  21.