標(biāo)題:
關(guān)于單片機(jī)開發(fā)板點(diǎn)陣動(dòng)畫用定時(shí)器顯示有閃爍的問題
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作者:
zhsyc
時(shí)間:
2022-1-16 23:21
標(biāo)題:
關(guān)于單片機(jī)開發(fā)板點(diǎn)陣動(dòng)畫用定時(shí)器顯示有閃爍的問題
我抄了uid:164602大俠的一個(gè)ES2.0開發(fā)板點(diǎn)陣動(dòng)畫,我將他改成用定時(shí)器顯示后,畫面有嚴(yán)重的閃爍及重影,請(qǐng)高手幫我看看,我的代碼哪里有問題?
普中科技ES2.0單片機(jī)源程序如下:
#include<reg51.h>
#include<intrins.h>
sbit SRCLK=P3^6;
sbit RCLK=P3^5;
sbit SER=P3^4;
sbit P10=P1^0;
#define LKZ P0
unsigned char code TAB[8]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};
unsigned char code XS[17][8]=
{
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*以下是箭頭向左移動(dòng)*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10},
{0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x38},
{0x00,0x00,0x00,0x00,0x00,0x10,0x38,0x38},
{0x00,0x00,0x00,0x00,0x10,0x38,0x38,0x54},
{0x00,0x00,0x00,0x10,0x38,0x38,0x54,0x10},
{0x00,0x00,0x10,0x38,0x38,0x54,0x10,0x10},
{0x00,0x10,0x38,0x38,0x54,0x10,0x10,0x10},
{0x10,0x38,0x38,0x54,0x10,0x10,0x10,0x10},
{0x38,0x38,0x54,0x10,0x10,0x10,0x10,0x00},
{0x38,0x54,0x10,0x10,0x10,0x10,0x00,0x00},
{0x54,0x10,0x10,0x10,0x10,0x00,0x00,0x00},
{0x10,0x10,0x10,0x10,0x00,0x00,0x00,0x00},
{0x10,0x10,0x10,0x00,0x00,0x00,0x00,0x00},
{0x10,0x10,0x00,0x00,0x00,0x00,0x00,0x00},
{0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
};
unsigned int Times; //為定時(shí)器計(jì)數(shù),初值為100,產(chǎn)生一個(gè)1s的定時(shí)
unsigned char i,j,k;
void XP74HC595(unsigned char dat)//向74H595發(fā)送一個(gè)字節(jié)的數(shù)據(jù)
//函數(shù)名必須由字母開始
{
unsigned char a;
SRCLK=0;
RCLK=0;
for(a=0;a<8;a++)
{
if ((dat<<a)&0x80)//從高位開始發(fā)送數(shù)據(jù)
{
SER=1;
}
else
{
SER=0;
}
SRCLK=1;
_nop_();
_nop_();
SRCLK=0;
}
RCLK=1;
_nop_();
_nop_();
RCLK=0;
}
void DispConfig() {
i=0;j=0;k=0;
}
void TimerConfig()
{
Times = 1000;
TMOD = 0x00; //選擇工作方式0
TH0 = 0x18; //設(shè)置初始值
TL0 = 0x0fc;
EA = 1; //打開總中斷
ET0 = 1; //打開定時(shí)器0中斷
TR0 = 1; //啟動(dòng)定時(shí)器0
}
void Proc_1S(){
// P10=!P10;
}
void Proc_Disp_1ms(){
LKZ=0xff;
XP74HC595(0x00);
XP74HC595(XS[ i][j]);[ i]
LKZ=TAB[j];
if (j<8) {
j++;
} else {
j=0;
if (k<50) {
k++;
} else {
k=0;
if (i<17) {
i++;
} else {
i=0;
}
}
}
}
void Timer0() interrupt 1
{
Times--;
if (Times==0){
Times=1000;
Proc_1S();
} else {
Proc_Disp_1ms();
}
}
void main ()
{
TimerConfig();
DispConfig();
while (1)
{
}
}
作者:
lkc8210
時(shí)間:
2022-1-17 10:15
void TimerConfig()
{
Times = 1000;
TMOD = 0x01; //選擇工作方式1//<<<<<<<<<<<<<<<<<<<<<TH, TL 的值是16位定時(shí)器用的
TL0 = 0x18; //設(shè)置初始值//<<<<<<<<<<<<<<<<<<<<TH, TL 的值掉轉(zhuǎn)了
TH0 = 0xfc;//<<<<<<<<<<<<<<<<<<<<TH, TL 的值掉轉(zhuǎn)了
EA = 1; //打開總中斷
ET0 = 1; //打開定時(shí)器0中斷
TR0 = 1; //啟動(dòng)定時(shí)器0
}
void Proc_1S() {
// P10=!P10;
}
void Proc_Disp_1ms() {
LKZ = 0xff;
// XP74HC595(0x00);//<<<<<<<<<<<<<<<<<<<<595無需清零
XP74HC595(XS[ i][j]);//[ i]
LKZ = TAB[j];
if (j < 7) { //<<<<<<<<<<<<<<<<<<<<小于8,下個(gè)循環(huán)就會(huì)出現(xiàn)XS[ i][8]和TAB[8]
j++;
} else {
j = 0;
if (k < 50) {
k++;
} else {
k = 0;
if (i < 16) { //<<<<<<<<<<<<<<<<<<<<小于17,下個(gè)循環(huán)就會(huì)出現(xiàn)XS[17][8]
i++;
} else {
i = 0;
}
}
}
}
void Timer0() interrupt 1
{
TL0 = 0x18; //設(shè)置初始值//<<<<<<<<<<<<<<<<<<<<工作方式1要手動(dòng)重裝
TH0 = 0xfc;//<<<<<<<<<<<<<<<<<<<<
Times--;
if (Times == 0) {
Times = 1000;
Proc_1S();
} else {
Proc_Disp_1ms();
}
}
復(fù)制代碼
作者:
munuc_w
時(shí)間:
2022-1-17 11:29
顯示屏刷新速度慢就有閃爍。
歡迎光臨 (http://www.torrancerestoration.com/bbs/)
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