Microcontroller C language programming: TIMER0 and TIMER1 control strip LED-EEWORLD

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/* Name: TIMER0 and TIMER1 control the LED strip

Description: Timer T0 controls the previous set of LED strips at a faster scrolling speed

Timer T1 controls the next set of LED strips at a slower scrolling speed

#include

#define uchar unsigned char

#define uint unsigned int

uchar tc0=0,tc1=0;

//Main program

void main()

{

P0=0xfe;

P2=0xfe;

TMOD=0x11; //Timer 0 and Timer 1 both work in mode 1

TH0=(65536-15000)/256; //Timer 0: 15ms

TL0=(65536-15000)%256;

TH1=(65536-50000)/256; //Timer 1: 50ms

TL1=(65536-50000)%256;

IE=0x8a;

TR0=1; //Start the timer

TR1=1;

while(1);

//T0 interrupt function

void Time0() interrupt 1

{

TH0=(65536-15000)/256; //Restore the initial value of timer 0

TL0=(65536-15000)%256;

if(++tc0==10) //150ms conversion status

{

tc0=0;

P0=_crol_(P0,1);

}

//T1 interrupt function

void Time1() interrupt 3

{

TH0=(65536-50000)/256; //Restore the initial value of timer 1

TL0=(65536-50000)%256;

if(++tc1==10) //500ms conversion status

{

tc1=0;

P2=_crol_(P2,1);

}

Microcontroller C language programming: TIMER0 and TIMER1 control strip LED

Keywords：MCU Reference address：Microcontroller C language programming: TIMER0 and TIMER1 control strip LED

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