demo_6_4.c~

来自「CVAVR完整程序」· C~ 代码 · 共 31 行

/*********************************************
File name           : demo_6_4.c
Chip type           : ATmega16
Program type        : Application
Clock frequency     : 4.000000 MHz
Memory model        : Small
External SRAM size  : 0
Data Stack size     : 256
*********************************************/

#include <mega16.h>
#include <delay.h>

flash unsigned char led_7[16]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,
                               0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71};
void main(void)
{
	unsigned char i;

	PORTC=0x00;  //PC口输出全为0，数码管初始时无输出
	DDRC=0xFF;   //PC口工作为输出方式
	while (1)
    {
		for (i=0;i<=15;i++)
		{
			PORTC = led_7[i]; //数码管显示数字（i+1）
			delay_ms(1000);    //延时1秒
		}
    }
}