MCU C language programming: 8X8LED dot matrix display number (1)

Single chip microcomputer STM32L151CCU6

1206RGB (single)

/* Name: button control 8X8LED dot matrix screen display

Graphic

Description: Each time you press K1, it will make 8X8LED

The dot matrix screen displays different graphics.

This example uses both external interrupts and settings.

Interrupted.

*/

#include

#include

#define uchar unsigned char

#define uint unsigned int

/ / Graphic code to be displayed

Uchar code M[][8]=

{

{0x00, 0x7e, 0x7e, 0x7e, 0x7e, 0x7e, 0x7e, 0x00}, // Figure 1

{0x00, 0x38, 0x44, 0x54, 0x44, 0x38, 0x00, 0x00}, // Figure 2

{0x00, 0x20, 0x30, 0x38, 0x3c, 0x3e, 0x00, 0x00} // Figure 3

};

Uchar i,j;

/ / Main program

Void main()

{

P0=0xff;

P1=0xff;

TMOD=0x01; //T0 mode 1

TH0=(65536-2000)/256; //2ms timing

TL0=(65536-2000)%256;

IT0=1; //fall edge trigger

IE=0x83; //Allow timer 0, external 0 interrupt

i=0xff; //The initial value of i is set to 0xff, starting with 0 after adding 1

While(1);

}