Arbor Technology EmETXe-i250C, Руководство пользователя

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Appendix
Appendix D: Digital I/O Setting
Below are the source codes written in C, please take them for Digital I/O
application examples. The default I/O address is 6Eh.
C language Code
/* */
/* SMBus Device Register Reader program by Rex Chin. */
/* */
/*----- Include Header Area -----*/
#include “math.h”
#include “stdio.h”
#include “dos.h”
/*----- routing, sub-routing -----*/
void main(int argc, char *argv[])
{
int SMB_PORT_AD = 0x580;
int SMB_DEVICE_ADD = 0x6e; /*75111R’s Add=6eh */
int i,j;
printf(“ Fintek F75111 DIO LED TEST Program Ver:0.1 \n”);
printf(“ Warning: This tools is test only. \n”);
/* Index 10, GPIO1x Output pin control */
SMB_Byte_WRITE(SMB_PORT_AD,SMB_DEVICE_ADD,0x10,0xff);
delay(10);
printf(“All Digital I/O LED ON ... \n”);
/* Index 11, GPIO1x Output Data value */
SMB_Byte_WRITE(SMB_PORT_AD,SMB_DEVICE_ADD,0x11,0x00);
delay(3000);
printf(“All Digital I/O LED OFF ... \n”);
/* Index 11, GPIO1x Output Data value */
SMB_Byte_WRITE(SMB_PORT_AD,SMB_DEVICE_ADD,0x11,0xff);
delay(3000);
printf(“Digital I/O pin 7,5,3,1 LED OFF ...\n”);
/* Index 11, GPIO1x Output Data value */
SMB_Byte_WRITE(SMB_PORT_AD,SMB_DEVICE_ADD,0x11,0xAA);