GPIO.rar_Ext_RAM.ini 2440_GT2440_RAM.ini_ext_ram_keil s3c2440

#include "s3c2440.h" int main() { int i; GPBCON &=~((0x03L)<<10); GPBCON |=(0x01L)<<10 ; GPBDAT &= ~(1<<5); while (1) { //GPBDAT |= 1; GPBDAT &= ~(1<<5); for (i = 0; i < 1000; i++); //GPBDAT &= ~1; GPBDAT |= (1<<5); for (i = 0; i < 1000; i++); } }