コード例 #1
0
void netv_transceiver(unsigned char netv_addr) {
    NETV_MESSAGE g_rMessage;
    //   unsigned char buffer_size = 0;
    unsigned int offset = 0;


    while (netv_recv_message(&g_rMessage)) {
        if (g_rMessage.msg_dest == netv_addr || g_rMessage.msg_dest == 0xFF) {

            //Analyse for boot mode and I'm alive signal
            switch (g_rMessage.msg_type) {
                case NETV_TYPE_EMERGENCY:

                    switch (g_rMessage.msg_cmd) {
                        case NETV_EMERGENCY_CMD_PROGRAM:
                            //indicate to the bootloader that we are gonna program

                            //TODO Update Boot Config
                            //netv_write_eeprom(0xFF,NETV_BOOT_MODE_ID);


                            //TODO FIX THIS
                            //software reset, from reset documentation!
                            //mSYSTEMUnlock();

                            //Set arm reset
                            //RSWRSTSET = 1;

                            //Read register to trigger reset
                            //volatile int *p = &RSWRST;

                            //Wait until the reset happens
                            //while(1);

                            // Reset();
                            break;
                    }//end switch msg_cmd

                    break;

                case NETV_TYPE_EVENTS:
                    switch (g_rMessage.msg_cmd) {
                        case NETV_EVENTS_CMD_ALIVE:
                            //Send i'm alive
                            netv_send_im_alive(netv_addr);
                            break;
                    }//end switch msg_cmd
                    break;

                case NETV_TYPE_REQUEST_DATA:

                    //get the memory offset
                    offset = g_rMessage.msg_cmd;

                    switch (g_rMessage.msg_read_write) {
                        case NETV_REQUEST_READ:

                            //WE MUST RECEIVE A REMOTE REQUEST...
                            if (g_rMessage.msg_remote == 1) {
                                netv_read_data_flow_table_v2(offset,
                                        g_rMessage.msg_eeprom_ram,
                                        &g_rMessage.msg_data[0],
                                        MIN(g_rMessage.msg_data_length, 8));

                                g_rMessage.msg_remote = 0;

                                while (netv_send_message(&g_rMessage)) {
                                    ;
                                }

                            }

                            break;

                        case NETV_REQUEST_WRITE:
                            // We don't want to overwrite EEPROM table information
                            // The message must not be a remote request
                            if (g_rMessage.msg_remote == 0) {
                                netv_write_data_flow_table_v2(offset,
                                        g_rMessage.msg_eeprom_ram,
                                        &g_rMessage.msg_data[0],
                                        MIN(g_rMessage.msg_data_length, 8));
                            }
                            break;

                    }//end sub-switch read_write
                    break;
            }
           
        } //if dest

        // processe the received message
        netv_proc_message(&g_rMessage);

    }//while
}
コード例 #2
0
ファイル: NETV16_Common.c プロジェクト: martinien/s6eep06
//////////////////////////////////////////////////////////////////////
//   netv_transceiver()
//////////////////////////////////////////////////////////////////////
//
//   Description: MCP2510 unsigned charerrupt sub-routine
//                Handles all MCP2510 unsigned charerruptions until none are left
//
//   Input: NONE
//   Output: NONE
//   Input/Output: NONE
//   Returned value: NONE
//
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
void netv_transceiver(unsigned char netv_addr)
{
   NETV_MESSAGE g_rMessage;
//   unsigned char buffer_size = 0;
   unsigned int offset = 0;
  

   while(netv_recv_message(&g_rMessage)) {

      //Analyse for boot mode and I'm alive signal
      switch(g_rMessage.msg_type){
      case NETV_TYPE_EMERGENCY:

         switch(g_rMessage.msg_cmd){
            case NETV_EMERGENCY_CMD_PROGRAM:
				//indicate to the bootloader that we are gonna program				

				//TODO Update Boot Config
				//netv_write_eeprom(0xFF,NETV_BOOT_MODE_ID);
				
				//wait 10ms 
				//FCY must be defined
				__delay_ms(10);
								
				//reset!
				asm("RESET");	//Reset();
               break;
         }//end switch msg_cmd

         break;

      case NETV_TYPE_EVENTS:
         switch(g_rMessage.msg_cmd){
            case NETV_EVENTS_CMD_ALIVE:
               //Send i'm alive
               netv_send_im_alive(netv_addr);
               break;
         }//end switch msg_cmd
         break;

      case NETV_TYPE_REQUEST_DATA:

		 //get the memory offset
		 offset = g_rMessage.msg_cmd; 

         switch(g_rMessage.msg_read_write){
            case NETV_REQUEST_READ:

				   //WE MUST RECEIVE A REMOTE REQUEST...
				   if (g_rMessage.msg_remote == 1)
				   {
		               netv_read_data_flow_table_v2(offset, 
											   g_rMessage.msg_eeprom_ram,
											   &g_rMessage.msg_data[0],
											   MIN(g_rMessage.msg_data_length,8));
	
		               g_rMessage.msg_remote = 0;
	
		               while(netv_send_message(&g_rMessage)){;}

				   }

               break;

            case NETV_REQUEST_WRITE:
	               // We don't want to overwrite EEPROM table information
				   // The message must not be a remote request
	               if(g_rMessage.msg_remote == 0)
				   {
						   netv_write_data_flow_table_v2(offset, 
						   g_rMessage.msg_eeprom_ram,
						   &g_rMessage.msg_data[0],
						   MIN(g_rMessage.msg_data_length,8));
                   }
               break;

         }//end sub-switch read_write
         break;
      }
      // processe the received message
      netv_proc_message(&g_rMessage);
   }
}