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Custom Embedded Systems
WIN Enterprises. Inc. MB-73350 User Manual
37
void Exit_sio_config()
//Exit F81865 Configuration
{
outportb(index_port, 0xAA);
}
void ENABLE_GPIO()
{
int BusNum = 0x00; //bus0
int DevFunc = 0xA3;
//device20, function3
int RegNum = 0x44; //reg44
long int data_rw32;
data_rw32 = (BusNum << 8) + (DevFunc << 8);
dat= (RegNum & 0xFC);
data_rw32 |= 0x80000000;
outportl(0xCF8, data_rw32);
outportb(0xCFC, 0xC1);
}
void Input_mode()
{
Enter_sio_config();
outportb(index_port, 0xF0);
outportb(data_port, 0x41);
Exit_sio_config();
}
void Output_mode()
{
Enter_sio_config();
outportb(index_port, 0xF0);
outportb(data_port, 0x40);
Exit_sio_config();
}
void help()
{