events.c

基于MC9S12C64的CAN总线通讯源程序

/** ###################################################################
**     Filename  : Events.C
**     Project   : NODE_A
**     Processor : MC9S12C64CFA16
**     Beantype  : Events
**     Version   : Driver 01.04
**     Compiler  : Metrowerks HC12 C Compiler
**     Date/Time : 2006-11-11, 13:11
**     Abstract  :
**         This is user's event module.
**         Put your event handler code here.
**     Settings  :
**     Contents  :
**         CAN1_OnFullRxBuffer - void CAN1_OnFullRxBuffer(void);
**         AS1_OnRxChar        - void AS1_OnRxChar(void);
**         TI1_OnInterrupt     - void TI1_OnInterrupt(void);
**
**     (c) Copyright UNIS, spol. s r.o. 1997-2005
**     UNIS, spol. s r.o.
**     Jundrovska 33
**     624 00 Brno
**     Czech Republic
**     http      : www.processorexpert.com
**     mail      : [e-mail]
** ###################################################################*/
/* MODULE Events */


#include "Cpu.h"
#include "Events.h"

#include "Com.h"
#pragma CODE_SEG DEFAULT

byte sci_command; //command received from SCI 

dword can_messageID;
byte  can_messageType;
byte  can_messageFormat;
byte  can_messageLength;
byte  can_messageData[8];


/*
** ===================================================================
**     Event       :  CAN1_OnFullRxBuffer (module Events)
**
**     From bean   :  CAN1 [FreescaleCAN]
**     Description :
**         This event is called when the receive buffer is full
**         after a successful reception of a message.
**     Parameters  : None
**     Returns     : Nothing
** ===================================================================
*/
void CAN1_OnFullRxBuffer(void)
{
  /* Write your code here ... */
  byte ID;
  byte i;
  
  CAN1_ReadFrame(&can_messageID,&can_messageType,&can_messageFormat,&can_messageLength,can_messageData);
  printf0("\n\tNew Message!  \r");
  printf0("\n\tMessage ID:  \r");
  
  /*ID = can_messageID&0xFF;
  hex_asc(ID);
  ID = (can_messageID>>8)&0xFF;
  hex_asc(ID);
  ID = (can_messageID>>16)&0xFF;
  hex_asc(ID);
  ID = (can_messageID>>24)&0xFF;
  hex_asc(ID);
  
  printf0("\n\tMessage Length:  \r");
  hex_asc(can_messageLength);
  
  printf0("\n\tMessage Data:  \r");
  for(i=0;i<can_messageLength;i++)
  {
    hex_asc(can_messageData[i]);
  }
  */
  ID = can_messageID&0xFF;
  tx_char0(ID);
  ID = (can_messageID>>8)&0xFF;
  tx_char0(ID);
  ID = (can_messageID>>16)&0xFF;
  tx_char0(ID);
  ID = (can_messageID>>24)&0xFF;
  tx_char0(ID);
  
  printf0("\n\tMessage Length:  \r");
  tx_char0(can_messageLength);
  
  printf0("\n\tMessage Data:  \r");
  for(i=0;i<can_messageLength;i++)
  {
    tx_char0(can_messageData[i]);
  }
  
}

/*
** ===================================================================
**     Event       :  AS1_OnRxChar (module Events)
**
**     From bean   :  AS1 [AsynchroSerial]
**     Description :
**         This event is called after a correct character is
**         received. 
**         DMA mode:
**         If DMA controller is available on the selected CPU and
**         the receiver is configured to use DMA controller then
**         this event is disabled. Only OnFullRxBuf method can be
**         used in DMA mode.
**     Parameters  : None
**     Returns     : Nothing
** ===================================================================
*/
void AS1_OnRxChar(void)
{
  /* Write your code here ... */
  byte bufferNum;
  dword ID;
  byte type;
  byte length;
  byte data[8];
  
  if(CANTFLG_TXE0) 
  {
    bufferNum = 0;
  }
  else if(CANTFLG_TXE1) 
  {
    bufferNum = 1;
  }
  else if(CANTFLG_TXE2) 
  {
    bufferNum = 2;
  }
  
  ID = 'A'; // Indicate the message is sent by Node A
  type = DATA_FRAME;
  length = 2;
  data[0] = 'A'; //Node A
  
  
  AS1_RecvChar(&sci_command);
  
  switch(sci_command)
  {
    case '1':
    case '2': 
    case '3': 
    case '4': 
    case '5':
      data[1] = sci_command;
      CAN1_SendFrame(bufferNum, ID, type, length, data);
      break;
    default:
      printf0("\n\t Invaild Choice \r");
      break;
  }
      
  printf0("\n\t Please choose the way of LED flashing in the Node B\r");
  printf0("\n\t 1. Flash one by one \r");
  printf0("\n\t 2. Odd is On, Even is Off \r");
  printf0("\n\t 3. Shift \r");
  printf0("\n\t 4. All are On \r");
  printf0("\n\t 5. All are Off \r");
}

/*
** ===================================================================
**     Event       :  TI1_OnInterrupt (module Events)
**
**     From bean   :  TI1 [TimerInt]
**     Description :
**         When a timer interrupt occurs this event is called (only
**         when the bean is enabled - "Enable" and the events are
**         enabled - "EnableEvent").
**     Parameters  : None
**     Returns     : Nothing
** ===================================================================
*/
void TI1_OnInterrupt(void)
{
  /* Write your code here ... */
  Bits1_NegBit(0); //inverts PT1 

}


/* END Events */

/*
** ###################################################################
**
**     This file was created by UNIS Processor Expert 2.96 [03.76]
**     for the Freescale HCS12 series of microcontrollers.
**
** ###################################################################
*/