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0055、ATMEGA16单片机实现的数控频率计原理图及其程序论文,机械毕业设计全套

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/包含所需头文件#include #include /*-宏定义-*/#define uchar unsigned char#define uint unsigned int#define ulong unsigned long/数码管字型表，对应0，1，2，3，4，5，6，7，8，9/uchar Table10=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f;uchar Data6=0,0,0,0; /显示初始值：0 0 0 0 0 0uint data=0;uint CNT=0;uchar fanwei=1;unsigned long Load;/延时函数void delay_us( int t) /usdot-;while(t1);void delay_ms(unsigned int t) /mswhile(t!=0)delay_us(1142);t-;/动态显示函数void Display(uchar *p) /参数p为待显示的数组名uchar i,sel=0x01; for(i=0;i9999)i=9999; p0=i/1000;nts i=i%1000;p1=i/100;i=i%100;p2=i/10;p3=i%10;void xuanze (void)if(PINB&0X10)=0)fanwei=1; /单位为1Hzif(PINB&0X20)=0)fanwei=2; /单位为1KHzif(fanwei=1)PORTC=0X01;if(fanwei=2)PORTC=0X02;/端口初始化void port_init(void)PORTA = 0xFF;DDRA = 0xFF;PORTB = 0xff;DDRB = 0x00;PORTC = 0xFF;DDRC = 0xFF;PORTD = 0xFF;DDRD = 0xFF;/定时T1初始化void timer1_init(void)TCCR1B = 0x00;/停止定时器TIMSK |= 0x04;/中断允许/TIMSK = 0x00;TCNT1H = 0x00;TCNT1L = 0x00;/初始值OCR1AH = 0xFF;OCR1AL = 0xFF;/匹配A值OCR1BH = 0xFF;OCR1BL = 0xFF;/匹配B值ICR1H = 0xFF;ICR1L = 0xFF;/输入捕捉匹配值TCCR1A = 0x00;TCCR1B = 0x07;/启动定时器/定时器T1溢出中断服务程序#pragma interrupt_handler timer1_ovf_isr:9void timer1_ovf_isr(void)nts CNT+;TCNT1H = 0x00; /重装值高位TCNT1L = 0x00; /重装值低位/定时器T2初始化void timer2_init(void)PORTC =0X01;TCCR2 = 0x00;/停止定时器ASSR = 0x08;/异步时钟模式TCNT2 = 0xFF;/初始值OCR2 = 0xFE;/匹配值TIMSK |= 0x40;/中断允许TCCR2 = 0x05;/启动定时器/T2溢出中断服务程序#pragma interrupt_handler timer2_ovf_isr:5void timer2_ovf_isr(void)PORTC=0X02;TCCR1B = 0x00; /关闭计数 /读取计数值Load=CNT*65536+TCNT1; /计算频率值TCNT1 = 0X00; /清除计数值CNT=0;TCCR1B = 0x07; /开始计数void init_devices(void)CLI(); /禁止所有中断MCUCR = 0x00;MCUCSR = 0x80;/禁止JTAGGICR = 0x00;port_init();timer1_init();timer2_init();SEI();/开全局中断/主函数void main(void)init_devices();while(1)/fan