Lanner LEC-2110 - Manual (Page 38)

38
Digital Input/Output Control
Appendix B
Embedded and Industrial Computing
#include
#define delay(x) usleep(x)
#endif
#ifdef MODULE
#include
#include
#include
#include
#include
#include
#undef delay
#define delay(x) mdelay(x)
#undef fprintf
#define fprintf(S, A) printk(A)
#endif //MODULE
#ifdef KLD_MODULE
#include
#include
#include
#include
#include
#include
#include
#include
#include
#endif
#endif
/* local include file */
#include “../include/ioaccess.h”
#if (defined(MODULE) || defined(DIRECT_IO_ACCESS) ||
defined(KLD_MODULE))
/*
*---------------------------------------------------------------------------
---
* LEB-2110 Version V1.0
*output3-0 = GPIO3-0, input3/2/1/0= GPIO 52/51/50/4
*---------------------------------------------------------------------------
--------
*/
/*
* Device Depend Definition :
*/
#define INDEX_PORT 0x2E
#define DATA_PORT 0x2F
void enter_SIO_config(void)
{
outportb(INDEX_PORT, 0x87); // Must Do It Twice
outportb(INDEX_PORT, 0x87);
return;
}
void exit_SIO_config(void)
{
outportb(INDEX_PORT, 0xAA);
return;
}
unsigned char read_SIO_reg(int LDN, int reg)