Proteus仿真單片機+點陣屏漏點問題附程序

ID:161164 · 發表于 2021-7-31 03:22

點陣屏的原始最少刷新時間為1ms
就算改到10us也依然漏點

代碼設3ms刷新

代碼設300ms刷新

單片機代碼如下

#include <STC89C5xRC.H>//Code:8k Ram:512 xdata:256 EEProm:5k Addr:0x2000
typedef unsigned char u8; //0 to 255
typedef unsigned int u16; //0 to 65535
u16 TMR_00_OT;
u16 TMR_01_OT;
unsigned char code Test[]={
0x80,0x00,0x88,0x00,0x88,0x00,0x88,0x00,0xfc,0x3f,0x84,0x00,0x82,0x00,0x81,0x00,
0x80,0x00,0xfc,0x1f,0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0xff,0x7f,0x00,0x00, // 生
0x00,0x00,0xf8,0x0f,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0xf8,0x0f,
0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0xf8,0x0f,0x08,0x08, // 日
0x08,0x02,0x08,0x02,0x08,0x02,0xc8,0x1f,0x18,0x12,0x2a,0x12,0x0a,0x12,0x0a,0x12,
0xe9,0x7f,0x08,0x02,0x08,0x05,0x08,0x05,0x88,0x08,0x88,0x08,0x48,0x10,0x28,0x60, // 快
0x00,0x04,0x00,0x0f,0xf8,0x00,0x08,0x00,0x88,0x00,0x84,0x00,0x84,0x00,0xfc,0x3f,
0x80,0x00,0x90,0x04,0x90,0x08,0x88,0x10,0x84,0x20,0x82,0x20,0xa0,0x00,0x40,0x00, // 樂
};
void Timer1Init(void)
{
//AUXR |= 0x40; //定時器時鐘1T模式
TMOD &= 0x0F; //設置定時器模式
TMOD |= 0x10; //設置定時器模式
TL1 = 0x18; //設置定時初始值1ms@12.000MHz 12T
TH1 = 0xFC; //設置定時初始值1ms@12.000MHz 12T
TF1 = 0; //清除TF0標志
TR1 = 1; //定時器0開始計時
}
void timer1_int (void) interrupt 3
{
TL1 = 0x18; //設置定時初始值1ms@12.000MHz 12T
TH1 = 0xFC; //設置定時初始值1ms@12.000MHz 12T
if(TMR_00_OT)TMR_00_OT--;
if(TMR_01_OT)TMR_01_OT--;
}
void Sys_Init(void)
{
ET1 = 1; //Timer1 interrupt Enable
EA = 1; //All interrupt Enable
TMR_00_OT=0;
TMR_01_OT=6000;
}
void main()
{
u8 i=0, j=0;
Timer1Init();
Sys_Init();
while (1)
{
if(!TMR_00_OT)
{TMR_00_OT=300;//<span style="background-color: rgb(255, 255, 255);">刷新時間，單位ms</span>
P3=Test[i+1+j*32];
P1=Test[i+j*32];
P0 = (~((u16)1<<(i/2)))%256;
P2 = (~((u16)1<<(i/2)))/256;
i+=2;
if(i>30)i=0;
}
if(!TMR_01_OT)
{TMR_01_OT=6000;
//j++;
if(j>3)j=0;
}
}
}