outtest.c

来自「uboot底层驱动」· C语言 代码 · 共 41 行

#include "hardware_reg.h"
void out_test(void)
{
//	 ****************************************************/
	*(volatile unsigned long *)PORTG_SEL |= 0x17;            //for common use
	*(volatile unsigned long *)PORTG_DIR &= ~0x17; 		//output	





	
		*(volatile unsigned long *)PORTG_DATA |= 0x10;
		
	  *(volatile unsigned long *)PORTG_DATA |= 0x4;
		
	
		*(volatile unsigned long *)PORTG_DATA |= 0x2;


		*(volatile unsigned long *)PORTG_DATA |= 0x1;
	
}						
	

				


						//	*(volatile unsigned long *)PORTG_DATA &= ~0x10;
	
						//	*(volatile unsigned long *)PORTG_DATA &= ~0x4;


						//	*(volatile unsigned long *)PORTG_DATA &= ~0x2;

							

						//	*(volatile unsigned long *)PORTG_DATA &= ~0x1;