示例#1
0
//------------------------------------------------------------------------------
//  @fn can_cmd
//!
//! This function takes a CAN descriptor, analyses the action to do:
//! transmit, receive or abort.
//! This function returns a status (CAN_CMD_ACCEPTED or CAN_CMD_REFUSED) if
//! a MOb for Rx or Tx has been found. If no MOB has been found, the
//! application must be retry at a later date.
//! This function also updates the CAN descriptor status (MOB_PENDING or
//! MOB_NOT_REACHED) if a MOb for Rx or Tx has been found. If aborting
//! is performed, the CAN descriptor status will be set to STATUS_CLEARED.
//!
//! @param  st_cmd_t* - Can_descriptor pointer on CAN descriptor structure
//!         to select the action to do.
//!
//! @return CAN_CMD_ACCEPTED - command is accepted
//!         CAN_CMD_REFUSED  - command is refused
//!
//------------------------------------------------------------------------------
U8 can_cmd(st_cmd_t* cmd)
{
  U8 mob_handle, cpt;
  U32 u32_temp;
  
  if (cmd->cmd == CMD_ABORT)
  {
    if (cmd->status == MOB_PENDING)
    {
      // Rx or Tx not yet performed
      Can_set_mob(cmd->handle);
      Can_mob_abort();
      Can_clear_status_mob();       // To be sure !
      cmd->handle = 0;
    }
    cmd->status = STATUS_CLEARED; 
  }
  else
  {
    mob_handle = can_get_mob_free();
    if (mob_handle!= NO_MOB)
    {
      cmd->status = MOB_PENDING; 
      cmd->handle = mob_handle;
      Can_set_mob(mob_handle);
      Can_clear_mob();
          
      switch (cmd->cmd)
      {
        //------------      
        case CMD_TX:    
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}
          for (cpt=0;cpt<cmd->dlc;cpt++) CANMSG = *(cmd->pt_data + cpt);
          if (cmd->ctrl.rtr) Can_set_rtr(); 
            else Can_clear_rtr();    
          Can_set_dlc(cmd->dlc);
          Can_config_tx();
          break;
        //------------      
        case CMD_TX_DATA:    
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}
          for (cpt=0;cpt<cmd->dlc;cpt++) CANMSG = *(cmd->pt_data + cpt);
          cmd->ctrl.rtr=0; Can_clear_rtr();
          Can_set_dlc(cmd->dlc);
          Can_config_tx();
          break;
        //------------      
        case CMD_TX_REMOTE:       
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}
          cmd->ctrl.rtr=1; Can_set_rtr();
          Can_set_dlc(cmd->dlc);
          Can_config_tx();
          break;
        //------------      
        case CMD_RX:

		  u32_temp=~0; Can_set_ext_msk(u32_temp); // Änderung durch Muri Christian

		  //u32_temp=0; Can_set_ext_msk(u32_temp); //origianl
          Can_set_dlc(cmd->dlc);
          Can_clear_rtrmsk();
          Can_clear_idemsk();
          Can_config_rx();       
          break;
        //------------      
        case CMD_RX_DATA:
		
		  if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}

		  u32_temp = ~0x00;	//Änderung durch Muri Christian
		  Can_set_ext_msk(u32_temp);	// 

          //u32_temp=~0; Can_set_ext_msk(u32_temp); //original
          Can_set_dlc(cmd->dlc);
          cmd->ctrl.rtr=0; Can_set_rtrmsk(); Can_clear_rtr();
          Can_set_idemsk();
          Can_config_rx()    
          break;
        //------------      
        case CMD_RX_REMOTE:
          
		  u32_temp=~0; Can_set_ext_msk(u32_temp); // Änderung durch Muri Christian
		  
		  
		  //u32_temp=0; Can_set_ext_msk(u32_temp); //orginal
          Can_set_dlc(cmd->dlc);
          cmd->ctrl.rtr=1; Can_set_rtrmsk(); Can_set_rtr();
          Can_clear_rplv();
          Can_clear_idemsk();
          Can_config_rx();       
          break;
        //------------      
        case CMD_RX_MASKED:
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}
          
		  u32_temp = get_idmask(cmd);	//Änderung durch Muri Christian
		  Can_set_ext_msk(u32_temp);

		  //u32_temp=~0; Can_set_ext_msk(u32_temp); //origianl
          Can_set_dlc(cmd->dlc);
          Can_clear_rtrmsk();
          Can_set_idemsk();
          Can_config_rx();       
          break;
        //------------      
        case CMD_RX_DATA_MASKED:
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}

		  u32_temp = get_idmask(cmd);	//Änderung durch Muri Christian
		  Can_set_ext_msk(u32_temp);	// 

          //u32_temp=~0; Can_set_ext_msk(u32_temp); //original
          Can_set_dlc(cmd->dlc);
          cmd->ctrl.rtr=0; Can_set_rtrmsk(); Can_clear_rtr();
          Can_set_idemsk();
          Can_config_rx();       
          break;
        //------------      
        case CMD_RX_REMOTE_MASKED:
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}

          u32_temp = get_idmask(cmd);	//Änderung durch Muri Christian
		  Can_set_ext_msk(u32_temp);

		  //u32_temp=~0; Can_set_ext_msk(u32_temp); //original
          Can_set_dlc(cmd->dlc);
          cmd->ctrl.rtr=1; Can_set_rtrmsk(); Can_set_rtr();
          Can_clear_rplv();
          Can_set_idemsk();
          Can_config_rx();       
          break;
        //------------      
        case CMD_REPLY:
          for (cpt=0;cpt<cmd->dlc;cpt++) CANMSG = *(cmd->pt_data + cpt);
          
		  u32_temp=~0; Can_set_ext_msk(u32_temp); // Änderung durch Muri Christian		  

		  //u32_temp=0; Can_set_ext_msk(u32_temp); //origianl
          Can_set_dlc(cmd->dlc);
          cmd->ctrl.rtr=1; Can_set_rtrmsk(); Can_set_rtr();
          Can_set_rplv();
          Can_clear_idemsk();
          Can_config_rx();       
          break;
        //------------      
        case CMD_REPLY_MASKED:
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}
          for (cpt=0;cpt<cmd->dlc;cpt++) CANMSG = *(cmd->pt_data + cpt);

          u32_temp = get_idmask(cmd);	//Änderung durch Muri Christian
		  Can_set_ext_msk(u32_temp);

		  //u32_temp=~0; Can_set_ext_msk(u32_temp); //original
          Can_set_dlc(cmd->dlc);
          cmd->ctrl.rtr=1; Can_set_rtrmsk(); Can_set_rtr();
          Can_set_rplv();
          Can_set_idemsk();
          Can_config_rx();       
          break;
        //------------      
        default:
          // case CMD_NONE or not implemented command
          cmd->status = STATUS_CLEARED; 
          break;
        //------------      
      } // switch (cmd ...
    } // if (mob_handle ...
    else
    {
//------------------------------------------------------------------------------
//  @fn can_cmd
//!
//! This function takes a CAN descriptor, analyses the action to do:
//! transmit, receive or abort.
//! This function returns a status (CAN_CMD_ACCEPTED or CAN_CMD_REFUSED) if
//! a MOb for Rx or Tx has been found. If no MOB has been found, the
//! application must be retry at a later date.
//! This function also updates the CAN descriptor status (MOB_PENDING or
//! MOB_NOT_REACHED) if a MOb for Rx or Tx has been found. If aborting
//! is performed, the CAN descriptor status will be set to STATUS_CLEARED.
//!
//! @param  st_cmd_t* - Can_descriptor pointer on CAN descriptor structure
//!         to select the action to do.
//!
//! @return CAN_CMD_ACCEPTED - command is accepted
//!         CAN_CMD_REFUSED  - command is refused
//!
//------------------------------------------------------------------------------
U8 can_cmd(st_cmd_t* cmd)
{
  U8 mob_handle, cpt;
  U32 u32_temp;
  U16 tmp;
  
  if (cmd->cmd == CMD_ABORT)
  {
    if (cmd->status == MOB_PENDING)
    {
      // Rx or Tx not yet performed
      Can_set_mob(cmd->handle);
      Can_mob_abort();
      Can_clear_status_mob();       // To be sure !
      cmd->handle = 0;
    }
    cmd->status = STATUS_CLEARED; 
  }
  else
  {
    mob_handle = can_get_mob_free();
    if (mob_handle!= NO_MOB)
    {
      cmd->status = MOB_PENDING; 
      cmd->handle = mob_handle;
      Can_set_mob(mob_handle);
      Can_clear_mob();
          
      switch (cmd->cmd)
      {
        //------------      
        case CMD_TX:    
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}
          for (cpt=0;cpt<cmd->dlc;cpt++) CANMSG = *(cmd->pt_data + cpt);
          if (cmd->ctrl.rtr) Can_set_rtr(); 
            else Can_clear_rtr();    
          Can_set_dlc(cmd->dlc);
          Can_config_tx();
          break;
        //------------      
        case CMD_TX_DATA:    
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}
          for (cpt=0;cpt<cmd->dlc;cpt++) CANMSG = *(cmd->pt_data + cpt);
          cmd->ctrl.rtr=0; Can_clear_rtr();
          Can_set_dlc(cmd->dlc);
          Can_config_tx();
	  if(!cmd->blocking){	/* Enable interrupt */
        Can_set_mob_int(mob_handle) /* Ser ud til at virke */
		tIntReg = (CANIE1<<8) + CANIE2; /* test var */
	  }
          break;
        //------------      
        case CMD_TX_REMOTE:       
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}
          cmd->ctrl.rtr=1; Can_set_rtr();
          Can_set_dlc(cmd->dlc);
          Can_config_tx();
          break;
        //------------      
        case CMD_RX:
          u32_temp=0; Can_set_ext_msk(u32_temp);
          Can_set_dlc(cmd->dlc);
          Can_clear_rtrmsk();
          Can_clear_idemsk();
          Can_config_rx();       
          break;
        //------------      
        case CMD_RX_DATA:
          u32_temp=0; Can_set_ext_msk(u32_temp);
          Can_set_dlc(cmd->dlc);
          cmd->ctrl.rtr=0; Can_set_rtrmsk(); Can_clear_rtr();
          Can_clear_idemsk();
          Can_config_rx();       
          break;
        //------------      
        case CMD_RX_REMOTE:
          u32_temp=0; Can_set_ext_msk(u32_temp);
          Can_set_dlc(cmd->dlc);
          cmd->ctrl.rtr=1; Can_set_rtrmsk(); Can_set_rtr();
          Can_clear_rplv();
          Can_clear_idemsk();
          Can_config_rx();       
          break;
        //------------      
        case CMD_RX_MASKED:
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}
          u32_temp=~0; Can_set_ext_msk(u32_temp);
          Can_set_dlc(cmd->dlc);
          Can_clear_rtrmsk();
          Can_set_idemsk();
          Can_config_rx();  
          break;
        //------------      
        case CMD_RX_DATA_MASKED:
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}
          u32_temp=~0; Can_set_ext_msk(u32_temp);
          Can_set_dlc(cmd->dlc);
          cmd->ctrl.rtr=0; Can_set_rtrmsk(); Can_clear_rtr();
          Can_set_idemsk();
          Can_config_rx();  
	Can_set_mob_int(mob_handle) /* Ser ud til at virke */          
          break;
        //------------      
        case CMD_RX_REMOTE_MASKED:
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}
          u32_temp=~0; Can_set_ext_msk(u32_temp);
          Can_set_dlc(cmd->dlc);
          cmd->ctrl.rtr=1; Can_set_rtrmsk(); Can_set_rtr();
          Can_clear_rplv();
          Can_set_idemsk();
          Can_config_rx();       
          break;
        //------------      
        case CMD_REPLY:
          for (cpt=0;cpt<cmd->dlc;cpt++) CANMSG = *(cmd->pt_data + cpt);
          u32_temp=0; Can_set_ext_msk(u32_temp);
          Can_set_dlc(cmd->dlc);
          cmd->ctrl.rtr=1; Can_set_rtrmsk(); Can_set_rtr();
          Can_set_rplv();
          Can_clear_idemsk();
          Can_config_rx();       
          break;
        //------------      
        case CMD_REPLY_MASKED:
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}
          for (cpt=0;cpt<cmd->dlc;cpt++) CANMSG = *(cmd->pt_data + cpt);
          u32_temp=~0; Can_set_ext_msk(u32_temp);
          Can_set_dlc(cmd->dlc);
          cmd->ctrl.rtr=1; Can_set_rtrmsk(); Can_set_rtr();
          Can_set_rplv();
          Can_set_idemsk();
          Can_config_rx();       
          break;
        //------------      
        default:
          // case CMD_NONE or not implemented command
          cmd->status = STATUS_CLEARED; 
          break;
        //------------      
      } // switch (cmd ...
    } // if (mob_handle ...
    else
    {
示例#3
0
//------------------------------------------------------------------------------
//  @fn can_cmd
//!
//! This function takes a CAN descriptor, analyses the action to do:
//! transmit, receive or abort.
//! This function returns a status (CAN_CMD_ACCEPTED or CAN_CMD_REFUSED) if
//! a MOb for Rx or Tx has been found. If no MOB has been found, the
//! application must be retry at a later date.
//! This function also updates the CAN descriptor status (MOB_PENDING or
//! MOB_NOT_REACHED) if a MOb for Rx or Tx has been found. If aborting
//! is performed, the CAN descriptor status will be set to STATUS_CLEARED.
//!
//! @param  st_cmd_t* - Can_descriptor pointer on CAN descriptor structure
//!         to select the action to do.
//!
//! @return CAN_CMD_ACCEPTED - command is accepted
//!         CAN_CMD_REFUSED  - command is refused
//!
//------------------------------------------------------------------------------
U8 can_cmd(st_cmd_t* cmd)
{
  U8 mob_handle, cpt;
  U32 u32_temp;
  
  if (cmd->cmd == CMD_ABORT)
  {
    if (cmd->status == MOB_PENDING)
    {
      // Rx or Tx not yet performed
      Can_set_mob(cmd->handle);
      Can_mob_abort();
      Can_clear_status_mob();       // To be sure !
      cmd->handle = 0;
    }
    cmd->status = STATUS_CLEARED; 
  }
  else
  {
    mob_handle = can_get_mob_free();
    if (mob_handle!= NO_MOB)
    {
      cmd->status = MOB_PENDING; 
      cmd->handle = mob_handle;
      Can_set_mob(mob_handle);
      Can_clear_mob();
          
      switch (cmd->cmd)
      {
	  	//------------      
        case CMD_TX_DATA:    
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}
          for (cpt=0;cpt<cmd->dlc;cpt++) CANMSG = *(cmd->pt_data + cpt);
          cmd->ctrl.rtr=0; Can_clear_rtr();
          Can_set_dlc(cmd->dlc);
          Can_config_tx();
          break;
	  	//------------ 
		case CMD_RX_DATA_DEFINED_MASK://To use different masks. Added by Laszlo Kis
		  if (cmd->ctrl.ide){
		  	Can_set_ext_id(cmd->id.ext);
		  	u32_temp=cmd->id_mask.ext; 
			Can_set_ext_msk(u32_temp);		
		  	}
          else{ 
		  	Can_set_std_id(cmd->id.std);			
		  	u32_temp=cmd->id_mask.std; 
		  	Can_set_std_msk(u32_temp);
			}
          
          Can_set_dlc(cmd->dlc);
          cmd->ctrl.rtr=0; Can_set_rtrmsk(); Can_clear_rtr();
          Can_set_idemsk();
          Can_config_rx();       
          break;        
        //------------      
        case CMD_TX:    
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}
          for (cpt=0;cpt<cmd->dlc;cpt++) CANMSG = *(cmd->pt_data + cpt);
          if (cmd->ctrl.rtr) Can_set_rtr(); 
            else Can_clear_rtr();    
          Can_set_dlc(cmd->dlc);
          Can_config_tx();
          break;
        //------------      
        case CMD_TX_REMOTE:       
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}
          cmd->ctrl.rtr=1; Can_set_rtr();
          Can_set_dlc(cmd->dlc);
          Can_config_tx();
          break;
        //------------      
        case CMD_RX:
          u32_temp=0; Can_set_ext_msk(u32_temp);
          Can_set_dlc(cmd->dlc);
          Can_clear_rtrmsk();
          Can_clear_idemsk();
          Can_config_rx();       
          break;
        //------------      
        case CMD_RX_DATA:
          u32_temp=0; Can_set_ext_msk(u32_temp);
          Can_set_dlc(cmd->dlc);
          cmd->ctrl.rtr=0; Can_set_rtrmsk(); Can_clear_rtr();
          Can_clear_idemsk();
          Can_config_rx();       
          break;
        //------------
		    
        case CMD_RX_REMOTE:
          u32_temp=0; Can_set_ext_msk(u32_temp);
          Can_set_dlc(cmd->dlc);
          cmd->ctrl.rtr=1; Can_set_rtrmsk(); Can_set_rtr();
          Can_clear_rplv();
          Can_clear_idemsk();
          Can_config_rx();       
          break;
        //------------      
        case CMD_RX_MASKED:
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}
          u32_temp=~0; Can_set_ext_msk(u32_temp);
          Can_set_dlc(cmd->dlc);
          Can_clear_rtrmsk();
          Can_set_idemsk();
          Can_config_rx();       
          break;
        //------------      
        case CMD_RX_DATA_MASKED:
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}
          u32_temp=~0; Can_set_ext_msk(u32_temp);
          Can_set_dlc(cmd->dlc);
          cmd->ctrl.rtr=0; Can_set_rtrmsk(); Can_clear_rtr();
          Can_set_idemsk();
          Can_config_rx();       
          break;
        //------------      
        case CMD_RX_REMOTE_MASKED:
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}
          u32_temp=~0; Can_set_ext_msk(u32_temp);
          Can_set_dlc(cmd->dlc);
          cmd->ctrl.rtr=1; Can_set_rtrmsk(); Can_set_rtr();
          Can_clear_rplv();
          Can_set_idemsk();
          Can_config_rx();       
          break;
        //------------      
        case CMD_REPLY:
          for (cpt=0;cpt<cmd->dlc;cpt++) CANMSG = *(cmd->pt_data + cpt);
          u32_temp=0; Can_set_ext_msk(u32_temp);
          Can_set_dlc(cmd->dlc);
          cmd->ctrl.rtr=1; Can_set_rtrmsk(); Can_set_rtr();
          Can_set_rplv();
          Can_clear_idemsk();
          Can_config_rx();       
          break;
        //------------      
        case CMD_REPLY_MASKED:
          if (cmd->ctrl.ide){ Can_set_ext_id(cmd->id.ext);}
          else              { Can_set_std_id(cmd->id.std);}
          for (cpt=0;cpt<cmd->dlc;cpt++) CANMSG = *(cmd->pt_data + cpt);
          u32_temp=~0; Can_set_ext_msk(u32_temp);
          Can_set_dlc(cmd->dlc);
          cmd->ctrl.rtr=1; Can_set_rtrmsk(); Can_set_rtr();
          Can_set_rplv();
          Can_set_idemsk();
          Can_config_rx();       
          break;
        //------------      
        default:
          // case CMD_NONE or not implemented command
          cmd->status = STATUS_CLEARED; 
          break;
        //------------      
      } // switch (cmd ...
    } // if (mob_handle ...
    else
    {
      cmd->status = MOB_NOT_REACHED;
      return CAN_CMD_REFUSED;
    }
  } // else of no CMD_ABORT
  return CAN_CMD_ACCEPTED;
}