七段阴极数码管的FPGA控制程序，开发平台为ISE或者quartus,Seven-Segment LED cathode the FPGA control procedures, development platform for the ISE or Quartus

7279和TLC549数字电压表，由51单片机控制的，通过模数TL549采样制作的电压表，同时由7279控制的数码管显示-7279, and TLC549 digital voltage meter, controlled by the microcontroller 51 through the production of modulus TL549 sampling voltmeter, accompanied by a 7279-controlled LED display

程序编写，LED动态显示12345678 #include<reg52.h> #define uchar unsigned char #define uint unsigned int uchar code duma[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f, //共阴的数码管段选.将值送给P2口 0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x40,0x80,0x00}