File content as of revision 0:70c3bea805ee:
//---------------------------------------------------------------------------
// Copyright (C) 2000 Dallas Semiconductor Corporation, All Rights Reserved.
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// OTHER DEALINGS IN THE SOFTWARE.
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//---------------------------------------------------------------------------
//
// findtype.c - Test module to find all devices of one type.
//
// Version: 2.00
//
//----------------------------------------------------------------------
//
//
#include "./Headers/ownet.h"
#include "./Headers/findtype.h"
//----------------------------------------------------------------------
// Search for devices
//
// 'portnum' - number 0 to MAX_PORTNUM-1. This number is provided to
// indicate the symbolic port number.
// 'FamilySN' - an array of all the serial numbers with the matching
// family code
// 'family_code' - the family code of the devices to search for on the
// 1-Wire Net
// 'MAXDEVICES' - the maximum number of devices to look for with the
// family code passed.
//
// Returns: TRUE(1) success, device type found
// FALSE(0) device not found
//
SMALLINT FindDevices(int portnum, uchar FamilySN[][8], SMALLINT family_code, int MAXDEVICES)
{
int NumDevices=0;
// find the devices
// set the search to first find that family code
owFamilySearchSetup(portnum,family_code);
// loop to find all of the devices up to MAXDEVICES
NumDevices = 0;
do
{
// perform the search
if (!owNext(portnum,TRUE, FALSE))
break;
owSerialNum(portnum,FamilySN[NumDevices], TRUE);
if ((FamilySN[NumDevices][0] & 0x7F) == (family_code & 0x7F))
{
NumDevices++;
}
}
while (NumDevices < (MAXDEVICES - 1));
// check if not at least 1 device
return NumDevices;
}