51单片机学习经典程序集

单片机

本帖最后由 eehome 于 2013-1-5 09:48 编辑

51单片机学习经典程序集

huatengfei · 2013-2-9 13:35:30

樵夫 · 2013-2-15 12:31:12

哈下来看看谢谢楼主

白狐20120310 · 2013-2-15 20:55:27

看看先

dgxiewei · 2013-2-15 22:49:04

谢谢分享。。。

ZHANG XIAN · 2013-4-1 14:53:32

这个内容强大，谢谢楼主分享！

王文清 · 2013-4-22 17:38:19

不错，下载下来看看

永耀光电科技 · 2013-4-22 18:30:47

非常感谢楼主，thank you

chengtiandong · 2013-5-1 17:33:23

#include
#include
#include
#include
#include
#include
#include
#include
#define uchar unsigned char
#define uint unsigned int
/*-------------------------------------------------------
功能:5*7点阵表
----------------------------------------------------------*/
uchar code biao[11][8]=
{
{0x70,0x88,0x98,0xA8,0xC8,0x88,0x70,0x00}, // -0-
{0x20,0x60,0x20,0x20,0x20,0x20,0x70,0x00}, // -1-
{0x70,0x88,0x08,0x30,0x40,0x80,0xF8,0x00}, // -2-
{0xF8,0x08,0x10,0x30,0x08,0x88,0x70,0x00}, // -3-
      {0x10,0x30,0x50,0x90,0xF8,0x10,0x10,0x00}, // -4-
      {0xF8,0x80,0xF0,0x08,0x08,0x88,0x70,0x00}, // -5-
      {0x38,0x40,0x80,0xF0,0x88,0x88,0x70,0x00}, // -6-
   {0xF8,0x08,0x10,0x20,0x40,0x40,0x40,0x00}, // -7-
   {0x70,0x88,0x88,0x70,0x88,0x88,0x70,0x00}, // -8-
   {0x70,0x88,0x88,0x78,0x08,0x10,0xE0,0x00}, // -9-
   {0x20,0x70,0xa8,0x20,0x20,0x20,0x20,0x00}  // -↑-
};
/*-------------------------------------------------------
功能:扫描表
----------------------------------------------------------*/
//uchar code sao[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
uchar code sao[]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};
/*-------------------------------------------------------
功能:串口初始化,波特率9600 方式0 8 UART
-------------------------------------------------------*/
void Init_Com(void)
{
   SCON = 0x00; //方式0

}
/*-------------------------------------------------------
功能：延时
-------------------------------------------------------*/
//1
void DELAY_25mS(void)
{
unsigned int x = 45438;
while (--x)
{
   _nop_();
}
}
//2
delay(uchar ms)
{    // 延时子程序
uchar  i;
while(ms--)
{
  for(i = 0; i<250; i++)
  {
_nop_();
_nop_();
_nop_();
_nop_();
  }
}
}
//3
delay1(t)
{
while(t--)
{
   ;
}
}
/*-------------------------------------------------------
功能:显示子程序
-------------------------------------------------------*/
xian()
{
uchar a;
for(a=0;a<8;a++)
   {
      SBUF =biao[0][a]; //串口发第一个显示字
while(!TI);
   TI=0;
   SBUF =biao[1][a]; //串口发第二个显示字
while(!TI);
   TI=0;
   SBUF =biao[3][a]; //串口发第三个显示字
while(!TI);
   TI=0;
   P1=sao[a]; //
      delay1(100);
      P1=0xff;
   }
}
/*-------------------------------------------------------
主程序
功能:实现接收数据并把接收到的数据发送出去
-------------------------------------------------------*/
void main()
{
uchar ii;
Init_Com();
//SBUF = dis_7[0]; //发送数据
//while(!TI);
   //TI=0;
while(1)
{
xian();
}
}
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