Chapter 4
Issuing Scanner Management Commands
4-8
Example 4.C
#include ”ktx_dp.h”
/* 1784–KTX scanner dualport definition
*/
#include ”ktx_err.h”
/* 1784–KTX scanner error codes
*/
#include ”ktxconst.h”
/* 1784–KTX scanner constants
*/
UBYTE
autoconfigure (KTX_DUALPORT far *dp, UBYTE trans_num,
USHORT timeout)
{
UBYTE status;
/**** Initialize the command buffer ****/
dp–>cmd_buffer.host_command = AUTOCONFIG;
dp–>cmd_buffer.transaction_num = trans_num;
dp–>cmd_buffer.command_length = 0;
/**** Send the command ****/
dp–>int_status_from_host = SCANNER_COMMAND_FROM_HOST;
dp–>host_to_ktx_int_reg = INTERRUPT_KTX;
/**** Get and acknowledge the confirmation ****/
status = get_confirmation(dp, trans_num, timeout);
if ((status != CONFIRMATION_TIMED_OUT) && (status != TRANS_NUM_MISMATCH))
acknowledge_confirmation(dp);
return status;
}