demo_6_4__.c

CVAVR完整程序

/*********************************************
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>
	#ifndef __SLEEP_DEFINED__
	#define __SLEEP_DEFINED__
	.EQU __se_bit=0x40
	.EQU __sm_mask=0xB0
	.EQU __sm_powerdown=0x20
	.EQU __sm_powersave=0x30
	.EQU __sm_standby=0xA0
	.EQU __sm_ext_standby=0xB0
	.EQU __sm_adc_noise_red=0x10
	.SET power_ctrl_reg=mcucr
	#endif
#include <delay.h>
//0~15的编码保存在数组led_8中
flash unsigned char led_8[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_8[i]; //数码管显示数字（i+1）
			delay_ms(1000);    //延时1秒
		}
    }
}