Portwell WADE-8022, User Manual

Page: 27 / 59

System Installation
WADE-8022 User’s Manual 3-7
printf("GPIO1 ---- GPIO2\n");
printf("GPIO3 ---- GPIO4\n");
printf("GPIO5 ---- GPIO6\n");
printf("GPIO7 ---- GPIO8\n");
printf("GND xxxx Vcc <==PWR/GND pins, DO NOT short
them!\n\n");
printf("LED Test Begins...\n");
/* Set GPIO Port In/Out mode */
Write_EC (GPIO_DIR, 0x00);
sleep (2);
printf("Write_EC mode 0x00\n");
/* Set Low or High */
Write_EC (GPIO_DATA, 0xFF);
printf("Write_EC data 0xFF\n");
sleep (2);
/* Set GPIO Port In/Out mode */
Write_EC (GPIO_DIR, 0x00);
sleep (2);
printf("Write_EC mode 0x00\n");
/* Set Low or High */
Write_EC (GPIO_DATA, 0x00);
printf("Write_EC data 0x00\n");
sleep (2);
return 0;
}