C language is a computer programming language. It has both high-level language features and assembly language features. It can be used as a system design language to write work system applications, or as an application design language to write applications that do not rely on computer hardware. Therefore, it has a wide range of applications.
SCM C language programming: TIMER0 and TIMER1 control strip LEDTIMER0 and TIMER1 control strip LED hardware schematic
The TIMER0 and TIMER1 control strip LED programs are as follows:
/* Name: TIMER0 and TIMER1 control strip LED
Description: Timer T0 controls the previous set of strip LEDs, and the scrolling speed is faster.
Timer T1 controls the next set of strip LEDs with slower scrolling speed
*/
#include"reg51.h"
#include《intrins.h》
#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 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 timer
TR1=1;
While(1);
//T0 interrupt function
Void Time0() interrupt 1
{
TH0=(65536-15000)/256; //Resume 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; //Resume the initial value of timer 1
TL0=(65536-50000)%256;
If(++tc1==10) //500ms conversion status
{
Tc1=0;
P2=_crol_(P2,1);
}
}
Extended program design: TIMER0 control flow light for single-chip C language programming
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