swtloop.c

sdcc是为51等小型嵌入式cpu设计的c语言编译器支持数种不同类型的cpu

//---------------------------------------------------------------------------
// Copyright (C) 2000 Dallas Semiconductor Corporation, All Rights Reserved.
// 
// Permission is hereby granted, free of charge, to any person obtaining a 
// copy of this software and associated documentation files (the "Software"), 
// to deal in the Software without restriction, including without limitation 
// the rights to use, copy, modify, merge, publish, distribute, sublicense, 
// and/or sell copies of the Software, and to permit persons to whom the 
// Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included 
// in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
// MERCHANTABILITY,  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
// IN NO EVENT SHALL DALLAS SEMICONDUCTOR BE LIABLE FOR ANY CLAIM, DAMAGES 
// OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 
// OTHER DEALINGS IN THE SOFTWARE.
// 
// Except as contained in this notice, the name of Dallas Semiconductor 
// shall not be used except as stated in the Dallas Semiconductor 
// Branding Policy. 
//--------------------------------------------------------------------------
//
//  swtloop.C - Goes through the testing of the DS2406(DS2407) switch
//  Version 2.00 


// Include files
#include <stdio.h>
#include <stdlib.h>
#include "ownet.h"
#include "swt12.h"

// Constant definition
#define MAXDEVICES         15

// tini hack
int argc=2;
char *argv[]={__FILE__, "exow"};
#define getkeystroke getchar

//--------------------------------------------------------------------------
// This is the begining of the program that tests the different Channels
int main() //short argc, char **argv)
{
   char return_msg[128];           //returned message from 1-wire operations
   int i,j,k,n;                    //loop counters
   short test=0;                   //info byte data
   short clear=0;                  //used to clear the button
   SwitchProps sw;                 //used to set Channel A and B
   uchar SwitchSN[MAXDEVICES][8];  //the serial numbers for the devices
   int num;                        //for the number of devices present
   int ch;                         //inputed character from user
   char out[140];                  //used for output of the info byte data
   int portnum=0;

   //----------------------------------------
   // Introduction header
   printf("\n/---------------------------------------------\n");
   printf("  swtest - V2.00\n"
          "  The following is a test to excersize the\n"
          "  different channels on the DS2406.\n");
   printf("  Press any CTRL-C to stop this program.\n\n");

   // check for required port name
   if (argc != 2)
   {
      printf("1-Wire Net name required on command line!\n"
             " (example: \"COM1\" (Win32 DS2480),\"/dev/cua0\" "
             "(Linux DS2480),\"1\" (Win32 TMEX)\n");
      exit(1);
   }

   // attempt to acquire the 1-Wire Net
   if (!owAcquire(portnum, argv[1], return_msg))
   {  
      printf("%s",return_msg);
      exit(1);
   }

   // success
   printf("%s",return_msg);
   
   // this is to get the number of the devices and the serial numbers
   num = FindDevices(portnum, &SwitchSN[0], SWITCH_FAMILY, MAXDEVICES);

   // setting up the first print out for the frist device
   owSerialNum(portnum, SwitchSN[0], FALSE);
   
   j=1;
   n=0;
   do
   {
      // This is for after the different combinations of channels
      // have been tested to reset to a different device to be tested.
      if( ((test & 0x40) && (j==5)) ||
         ((!(test & 0x40)) && (j==3)) )
      {
         printf("\n\n");
         for(k=0; k < num; k++)
         {
            printf("%d  ", k+1);
            for(i=7; i>=0; i--)
            {
               printf("%02X", SwitchSN[k][i]);
            }
            printf("\n");
         }
         printf("%d To quit or any other key.\n", k+1);

         printf("\n");
         printf("Pick a device\n");

         ch = getkeystroke();
         n = 0;
         n = (10*n + (ch - '0')) - 1;

         if( (n>num-1) || (n<0) )
         {
            n = 0;        //used to finish off the loop
            break;
         }

         owSerialNum(portnum, SwitchSN[n], FALSE);
         j = 1;
      }
      printf("\n");
      
      test = ReadSwitch12(portnum,clear);

      // This looks at the info byte to determine if it is a
      // two or one channel device.
      if(test & 0x40)
      {

         switch(j)
         {
            case 1: 
               sw.Chan_A = 0;
               sw.Chan_B = 0;
               break;
            case 2:
               sw.Chan_A = 0;
               sw.Chan_B = 1;
               break;
            case 3:
               sw.Chan_A = 1;
               sw.Chan_B = 0;
               break;
            case 4:
               sw.Chan_A = 1;
               sw.Chan_B = 1;
               break;
            default:
               sw.Chan_A = 1;
               sw.Chan_B = 1;
               j=0;
               break;
            }
      }
      else
      {
         switch(j)
         {
            case 1:
               sw.Chan_B = 0;
               sw.Chan_A = 0;
               break;
            case 2:
               sw.Chan_B = 0;
               sw.Chan_A = 1;
               break;
            default:
               sw.Chan_B = 0;
               sw.Chan_A = 1;
               j = 0;
               break;
         }
      }

      if(!SetSwitch12(portnum, SwitchSN[n], &sw))
      {
         msDelay(50);
         if(SetSwitch12(portnum, SwitchSN[n], &sw))
            msDelay(50);
         else
            printf("Switch not set\n");
      }

      test = ReadSwitch12(portnum,clear);

      printf("\n");

      for(i=7; i>=0; i--)
      {
         printf("%02X", SwitchSN[n][i]);
      }
      printf("\n");

      SwitchStateToString12(test, out);
      printf("%s", out);

      j++;

   }
   while(1);

   // release the 1-Wire Net
   owRelease(portnum,return_msg);
   printf("%s",return_msg);
   exit(0);

   return 0;
}