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justhomework/MCU/MCU_5 _Wave_Generate/main.c
2022-04-28 10:00:04 +08:00

73 lines
1.2 KiB
C

#include <reg52.h>
#include <intrins.h>
#include "delay.h"
#include "main.h"
#include "display.h"
void fresh_wave();
unsigned char digital=0;
unsigned char fresh_flag=0;
#ifdef MODE_1
void fresh_wave()
{
digital++;
P1=digital;
}
#endif
#ifdef MODE_2
unsigned char add_flag=0;
void fresh_wave()
{
if(!add_flag)
digital++;
else
digital--;
if(digital==0&&add_flag)
add_flag=0;
else if(digital==255&&(!add_flag))
add_flag=1;
P1=digital;
}
#endif
#ifdef MODE_3
const unsigned char sine_var[]={128,136,143,151,159,167,174,182,189,196,202,209,215,220,226,231,235,239,243,246,249,251,253,254,255,255,255,254,253,251,249,246,243,239,235,231,226,220,215,209,202,196,189,182,174,167,159,151,143,136,128,119,112,104,96,88,81,73,66,59,53,46,40,35,29,24,20,16,12,9,6,4,2,1,0,0,0,1,2,4,6,9,12,16,20,24,29,35,40,46,53,59,66,73,81,88,96,104,112,119};
void fresh_wave()
{
digital=sine_var[count%100];
P1=digital;
}
#endif
void time() interrupt 1
{
TH0 = TH;
TL0 = TL+15;
fresh_flag=1;
#ifdef MODE_3
count++;
#endif
}
int main()
{
//P1 µÆ
setConfig();
while(1)
{
if(fresh_flag==1)
{
fresh_flag=0;
fresh_wave();
set_display(digital);
}
#ifndef MODE_3
fresh_display();
#endif
}
}