Arbor Technology M1858, User Manual, Page: 79 / 115

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Appendix
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Nurse Call F17 104
D.5.2. Linux Sample Code
Note: NumLock isn’t enabled upon Linux boot-up. Must make sure NumLock
is active for keypad numbers. Use “apt-get install numlockx” or “yum install
numlockx” to enable NumLock during application starting. See the sample code
hereunder.
#include <sys/io.h>
#include <stdio.h>
#include <linux/input.h>
#define ARBOR_M1858_ECRAM_ADDR 0x0500
#define ARBOR_M1858_ECRAM_ADDR2 0x160A
#define ARBOR_M1858_ECRAM_ADDR3 0x0202
#define ARBOR_M1858_ECRAM_ADDR4 0x0461
//----------------------------------------------------------------------
-----------------------------------------------------
//----------------------------------- ARBOR GPIO ------------------------
------------------------------------------------
unsigned long Process_686C_Command_Write(unsigned long m_ECCMD, unsigned
long m_ECDATA)
{
//---------------------------------------------------------------------
-----
int i,temp;
unsigned long m_OutBuf;
//---------------------------------------------------------------------
-----
m_OutBuf=inb_p(0x6C);
if ( ( m_OutBuf&0x00000003) > 0 )
{
temp=inb_p(0x68);
return 0xFFFFFFFF;
}
outb_p(m_ECCMD, 0x6C);
for ( i=0; i<=4000; i++ )
{
m_OutBuf=inb_p(0x6C);