Microcontroller learning - LED display program one-EEWORLD

Collect

Title: Scroll and display 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, a, b, c, d, e, f on an eight-digit LED display.

And the cycle continues.

Solution: (C language programming)
#include
#include
#define uint unsigned int
#define uchar unsigned char

uchar sled_bit_table[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};

uchar sled_disp_buff[]={0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,

0x83,0xc6,0xa1,0x86,0x8e,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff};

#define sled_dm_port P0
#define sled_wm_port P2

sbit speaker_en_port = P3^7;
void delay_1ms(uchar x)
{
   uchar j;
   while(x--){
       for(j=0;j<125;j++)
           {;}
       }
}
void main()
{
uchar i;
uchar j;
uint count=0;

speaker_en_port = 0;
while(1){
  for(j=0;j<100;j++){
   for(i=0;i<8;i++){
    sled_wm_port = 0xff;

sled_dm_port = sled_disp_buff[i+count];
sled_wm_port = sled_bit_table[i];

    delay_1ms(1);
    }
   }
  count++;
  if(count>=24) count=0;

}
}

Keywords：MCU Reference address：Microcontroller learning - LED display program one

Previous article：Single chip microcomputer learning - LED display experiment 2
Next article：Microcontroller Learning - Independent Button 4

Recommended ReadingLatest update time:2024-11-16 13:58

LED spotlight intelligent drive and power supply circuit design

　　Monitoring lighting is the mainstream of energy saving in the world, and high-power LED lighting is the mainstream trend of lighting systems in the future. High-power LED has the characteristics of high brightness, energy saving, environmental protection, safety and high stability, saving 60% to 70% of electricity c

[Power Management]

LED spotlight intelligent drive and power supply circuit design

Design of Communication Adapter Card Based on PIC Microcontroller

CAN bus - Controller Area Network (CAN) international standard (ISO11898). Compared with general communication buses, CAN bus has outstanding reliability, real-time and flexibility in data communication. Its characteristics can be summarized as follows: CAN works in a multi-master mode. Based on the message ide

[Microcontroller]

HC SemiTek brings BOE, Sharp, and Innolux into the Mini LED team

On September 26, HC Semitek signed a strategic cooperation agreement with BOE and other companies in Shenzhen to jointly develop Mini LED. In addition, companies that have signed strategic cooperation agreements on micro-display with HC Semitek also include display panel companies such as Sharp and Innolux, as well as

[Mobile phone portable]

Measurement of junction temperature of LED light strip bulbs

The LED light bar can achieve 360-degree light source without adding lens, which makes people feel like returning to the traditional incandescent lamp. LED light bar has many application advantages, which has created a big whirlwind in the market and is being quickly accepted by users. LED light bar combines the tr

[Power Management]

Measurement of junction temperature of LED light strip bulbs

51 Which microcontroller is better for getting started with microcontroller programming?

In fact, every man has a dream of "Iron Man" in his heart. I hope I have the same skills as the male protagonist and can change the world through technology. However, if you want to achieve this step, you need to learn so many things that you may not be able to finish them in your lifetime. It’s this kind of out-of-re

[Microcontroller]

Focusing on the IoT field, Hongbo Micro promotes the process of domestic substitution with the "MCU+" strategy

In recent years, due to the rapid development of the Internet of Things, the increase in the number of networked nodes, the increased penetration of automotive electronics, and the strong demand for automation equipment in Industry 4.0, the use of MCUs in downstream application fields such as automotive electronics, t

[Mobile phone portable]

Basic hardware circuit design of STM8 microcontroller

　　In fact, STM8 does not need a crystal oscillator and reset circuit, but in order to ensure the stable operation of the minimum system, it is best to add an external circuit. ● STM8 reset circuit design 　　The STM8 microcontroller has a built-in power-on reset (POR), so the STM8 microcontroller can be reset normally

[Microcontroller]

Design and implementation of digital controlled DC current source based on Sunplus microcontroller

DC current sources with good stability, high precision and preset output are often used in electronic devices. The digitally controlled DC current source designed in this paper can effectively reduce the output error caused by aging of components, temperature drift and other reasons. The output current is adjustable

[Power Management]

Popular Resources
Popular amplifiers