/********************************************************************************
INT_Ch.c:   Multi-channels as rising or falling edge interrupt in single 
            slot. 
Compiler: BC++ 3.1, 
          Turbo C ++ 1.01(3.01) (free from http://community.borland.com/museum)
          MSC 6.0,
          MSVC 1.52.
          
Compile mode: large

Project: INT_Ch.c
         ..\Lib\(8000E.Lib,8000.Lib) 
  
[24 Mar,2005] by Bill                                                                  
*********************************************************************************/
#include "..\..\..\..\Lib\8000E.h"
#include "..\..\..\..\lib\8048.h"
#include <stdlib.h>

void interrupt far ISR_Function(void);
int iSlot;

void main(void)
{   
    char *cSlot;
    
    InitLib();
    
    Print("Please selection Slot:");
                                
    *cSlot=Getch();                 
    iSlot=atoi(cSlot);              
    Print("iSlot==%d\n\r",iSlot);   

    //Enable channel 0 as rising edge interrupt.
    i8048_Set_RisingReg(iSlot,0,1);     //Channel 0     1=Enable     
    
    ////Enable channel 0,1,2 as Falling edge interrupt. 
    i8048_Set_FallingReg(iSlot,0,1);    //Channel 0 , 1=Enable      
    i8048_Set_FallingReg(iSlot,1,1);    //Channel 1 , 1=Enable     
    i8048_Set_FallingReg(iSlot,2,1);    //Channel 2 , 1=Enable         
    
    //Install ISR
    i8048_InstallISR(iSlot,(unsigned long *)&ISR_Function,6); //Priority : 6
    
    for(;;)
    {
        Print("Rising S%dC0==%lu    Falling S%dC0==%lu S%dC1==%lu S%dC2==%lu\n\r"      
                                        ,iSlot,i8048_RisingEventCount[iSlot][0]
                                        ,iSlot,i8048_FallingEventCount[iSlot][0]
                                        ,iSlot,i8048_FallingEventCount[iSlot][1]                     
                                        ,iSlot,i8048_FallingEventCount[iSlot][2]);
    }                                    
}

/********************************************************
Please don's use the Print or printCom1 function in ISR,
these function will cause same problem. 
*********************************************************/
void interrupt far ISR_Function(void)
{
    if(i8048_Read_RisingEvent(iSlot,0))
    {
        //Add user's ISR code for channel0.
    }
    
    if(i8048_Read_FallingEvent(iSlot,0))                         
    {                                       
        //Add user's ISR code for channel0. 
    }                                       
    
    if(i8048_Read_FallingEvent(iSlot,1))
    {
        //Add user's ISR code for channel1. 
    }
    
    if(i8048_Read_FallingEvent(iSlot,2))
    {
        //Add user's ISR code for channel2.         
    }

    i8048_UnFreezeCPU(iSlot);   
    i8048_UnFreezeINT(iSlot);   //Clear interrupt status of 8048.     
}