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Elo TouchSystems 15A1 User Guide 36
Cash Drawer Port Signal Definition and Control
Pin # Signal Name
1 Frame Ground
2 CD 1 Drawer kick-out drive signal 1
3 SW ( + ) connected on the side of the open/closed detection
switch on the drawer
4 L ( + ) +12V DC for drawer kick-out supplied
5 CD 2 Drawer kick-out drive signal 2
6 ( - ) Ground
Control
Below is the source code of the test application showing how the cash drawer port is
implemented. The cash drawer is controlled by two GPIOS to open the drawer and one
GPIO to read back status.
*/
#include <stdio.h>
#include <conio.h>
#include <time.h>
#define GPIO_BASE 0x480
#define PMBASE 0x800
#define GPE0_STS3 PMBASE + 0x2B
#define GP_LVL3 GPIO_BASE + 0x0F
#define GPIO_2 0x08
#define GPIO_3 0x10
#define CASH_STS_MSK 0x20
#define DRAWER1 0x01
#define DRAWER2 0x02
void Sleep(clock_t t);
int open_drawer(int drawer);
/*
=============================================================================
Function:
Parameters:
Return:
Exit:
Description:
=============================================================================