main_ex2.c

canbus分析仪使用说明,很用用的,快来看吧

/*C**************************************************************************
* Main_ex2.c 
*----------------------------------------------------------------------------
* Copyright (c) 2002 Atmel.
*----------------------------------------------------------------------------
*----------------------------------------------------------------------------
* PURPOSE: 
* The goal of this exercice is to learn How to use the CAN_lib to start 
* quikly a CAN emission.
* 
*****************************************************************************/

/*_____ I N C L U D E S ____________________________________________________*/
#include "config.h"
#include "compiler.h"
#include "can_lib.h"

#define BRP_100k    0x05
#define SJW_100k    0x00
#define PRS_100k    0x01
#define PHS2_100k   0x03
#define PHS1_100k   0x02

void main(void)
{
  can_data_t xdata can_data = {0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88};
  can_msg_t xdata can_tx = {STD_ID(0x55), CONF_NOIDE | CONF_DLC_8 , can_data};

/*________________________________________*/
/*_____ CAN CONTROLLER CONFIGURATION _____*/
/*________________________________________*/

  CAN_CONTROLLER_RESET; 
  RazAllMailbox();
  CanSetBRP  (BRP_100k);
  CanSetSJW  (SJW_100k);
  CanSetPRS  (PRS_100k);
  CanSetPHS2 (PHS2_100k);
  CanSetPHS1 (PHS1_100k);
  CAN_CONTROLLER_ENABLE;

/*____________________________________________________________*/
/*_____ CONFIGURE THE MESSAGE OBJECT 1 TO SEND A MESSAGE _____*/
/*____________________________________________________________*/
  CAN_SET_CHANNEL(CHANNEL_1);
  can_tx_id     = can_tx.id;
  conf_tx       = can_tx.ctrl;
  pt_candata_tx = can_tx.pt_donne;
 
  while(P3_3 !=0);

  SendCanMsg();

 // while((CANSTCH&0x40)!=0x40);
 // CANCONCH = 0x00;
  
  while(1);
}