SOPC.rar_sopc_sopc 数码管

#include "system.h" #include "altera_avalon_pio_regs.h" #include "altera_avalon_timer_regs.h" #include "alt_types.h" #include "sys/alt_irq.h" #include <stdio.h> #include <unistd.h> #include <io.h> #include <string.h> //数码管显示字符对应的16进制数 alt_u8 segtab[16]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e}; static alt_u8 data[8]={0,0,'-',0,0,'-',0,0}; static alt_u16 bit_sel_data=0; alt_u16 hour=0; alt_u16 minute=0; alt_u16 second=0; void ISR_handle_timer1(void *context) { while(1) { second++; if(second>=60) { second=0; minute++; } if(minute>=60) { minute=0; hour++; } if(hour>=24) { hour=0; } data[0]=(alt_u8)(hour/10); data[1]=(alt_u8)(hour%10); data[2]='-'; data[3]=(alt_u8)(minute/10); data[4]=(alt_u8)(minute%10); data[5]='-'; data[6]=(alt_u8)(second/10); data[7]=(alt_u8)second%10); int i; for(i=0;i<8;i++) { IOWR_ALTERA_AVALON_PIO_DATA(SEG01_DAT_BASE,segtab[data[i]]); //IOWR_ALTERA_AVALON_PIO_DATA(SEG01_DAT_BASE,(bit_sel_data<<13)|(segtab[data[bit_sel_data]]<<5)); usleep(2000); } } //清除中断标志寄存器 IOWR_ALTERA_AVALON_TIMER_STATUS(TIMER1_BASE,0x00); } void ISR_handle_timer2(void *context) { while(1) { int i; for(i=0;i<8;i++) { bit_sel_data=(bit_sel_data+1)&7; IOWR_ALTERA_AVALON_PIO_DATA(SEG_DAT_BASE,bit_sel_data); usleep(5000); } } //清除中断标志寄存器 IOWR_ALTERA_AVALON_TIMER_STATUS(TIMER2_BASE,0x00); } void init_timer(void) { //timer1 ////清除中断标志寄存器 IOWR_ALTERA_AVALON_TIMER_STATUS(TIMER1_BASE,0x00);//设置定时器1s，输入的是时钟周期数 IOWR_ALTERA_AVALON_TIMER_PERIODL(TIMER1_BASE,50000000); IOWR_ALTERA_AVALON_TIMER_PERIODH(TIMER1_BASE,50000000>>16); IOWR_ALTERA_AVALON_TIMER_CONTROL(TIMER1_BASE,0x07);//使能中断 alt_ic_isr_register(TIMER1_IRQ_INTERRUPT_CONTROLLER_ID, TIMER1_IRQ,ISR_handle_timer1,NULL,0x0);//注册中断 //timer2 ////清除中断标志寄存器 IOWR_ALTERA_AVALON_TIMER_STATUS(TIMER2_BASE,0x00);//设置定时器0.1s，输入的是时钟周期数 IOWR_ALTERA_AVALON_TIMER_PERIODL(TIMER2_BASE,5000000); IOWR_ALTERA_AVALON_TIMER_PERIODH(TIMER2_BASE,5000000>>16); IOWR_ALTERA_AVALON_TIMER_CONTROL(TIMER2_BASE,0x07);//使能中断 alt_ic_isr_register(TIMER2_IRQ_INTERRUPT_CONTROLLER_ID, TIMER2_IRQ,ISR_handle_timer2,NULL,0x0);//注册中断 } int main(void) { init_timer(); //初始化定时器 while(1); return 0; }