IBASE MB900 - Manual (Page 29)

INSTALLATIONS
MB900-R User’s Manual 25
#include "W627HF.H"
//=====================================================================
void ClrKbBuf(void);
int main (int argc, char *argv[]);
//=====================================================================
int main (int argc, char *argv[])
{
unsigned char ucDO = 0; //data for digital output
unsigned char ucDI; //data for digital input
unsigned char ucBuf;
Set_W627HF_LD(
0x07); //switch to logic device 7
Set_W627HF_Reg(0xF1,
0x00); //clear
ucDI = Get_W627HF_Reg(0xF1) & 0x0F;
ClrKbBuf();
while(1)
{
ucDO++;
Set_W627HF_Reg(0xF1, ((ucDO & 0x0F) << 4));
ucBuf = Get_W627HF_Reg(0xF1) & 0x0F;
if (ucBuf != ucDI)
{
ucDI = ucBuf;
printf("Digital I/O Input Changed. Current Data is 0x%X\n",ucDI);
}
if
(kbhit())
{
getch();
break;
}
delay(500);
}
return
0;
}
//=====================================================================
void ClrKbBuf(void)
{
while(kbhit())
{
getch(); }
}
//---------------------------------------------------------------------------