blink.c

来自「此文档为adi公司arm7tdmi内核的aduc70XX系列各模块的源代码」· C语言 代码 · 共 35 行

/*********************************************************************

 Author        : ADI - Apps            www.analog.com/MicroConverter

 Date          : Sept. 2005

 File          : blink.c

 Hardware      : Applicable to ADuC702x rev H or I silicon
                 Currently targetting ADuC7026.

 Description   : Blinks LED continuously
		
*********************************************************************/
#include<aduc7026.h>

void delay(int);

int main(void) {

GP4DAT = 0x04000000;			// P4.2 configured as an output. LED is turned on	


while (1){
	GP4DAT ^= 0x00040000;		// Complement P4.2
	delay(2000000);
	}				
}

void delay (int length)
{
	while (length >=0)
    	length--;
}