单片机+WS2812灯带驱动程序源码

ID:293743 · 发表于 2019-4-17 17:13

注意：采用1T 51单片机晶振采用24M
内部有注释，WS2812灯带采用单IO口驱动此处不附带原理图

单片机源程序如下:

/********************************************************/
/*作者：Dyingstraw
/*版本：V1.0
/*程序功能：用51单片机控制ws2812 RGB输出，显示全色彩
/*备注：51单片机晶振24M
/********************************************************/
#include<STC12C5A60S2.h>
#include<intrins.h> //写入头文件
#define uchar unsigned char
sbit Send_Dat=P3^7; //数据输出，接IN脚
sbit key3=P2^1;
sbit key2=P2^4;
sbit key1=P2^7;
uchar show[720]; // 8*3*30
uchar color[30][3]={
0xff,0x01,0x00, //0
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00, //10
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00, //20
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00,
0xff,0x01,0x00, //29
}; //G R B
uchar code GRB[7][3]={
0XFF,0X00,0X00,//绿
0XFF,0XFF,0X00,//黄
0X00,0XFF,0X00,//红
0X00,0XFF,0XFF,//品红
0X00,0X00,0XFF,//蓝
0XFF,0X00,0XFF,//青
0XFF,0XFF,0XFF,//白
};
void delay();
void delays();
/*写入数据时序*/
void Send_A_bit(uchar VAL)
{
if (VAL==1)
{
Send_Dat=1;
_nop_();_nop_();_nop_();_nop_();_nop_();
_nop_();_nop_();_nop_();_nop_();_nop_();
_nop_();_nop_();_nop_();_nop_();_nop_();
_nop_();_nop_();
Send_Dat=0;
_nop_();_nop_();
}
else
{
Send_Dat=1;
_nop_();_nop_();_nop_();_nop_();
Send_Dat=0;
_nop_();_nop_();_nop_();_nop_();_nop_();
_nop_();_nop_();_nop_();_nop_();
}
}
void SendAllData()
{
unsigned int i;
for(i=0;i<720;i++)
Send_A_bit(show[i]);
}
void WriteData()
{
unsigned char i,j;
for(i=0;i<30;i++)
{
for(j=0;j<3;j++)
{
show[24*i+8*j+0]=color[i][j]/128%2;
show[24*i+8*j+1]=color[i][j]/64%2;
show[24*i+8*j+2]=color[i][j]/32%2;
show[24*i+8*j+3]=color[i][j]/16%2;
show[24*i+8*j+4]=color[i][j]/8%2;
show[24*i+8*j+5]=color[i][j]/4%2;
show[24*i+8*j+6]=color[i][j]/2%2;
show[24*i+8*j+7]=color[i][j]%2;
}
}
}
void change1(unsigned char k)
{
unsigned char i,j;
for(i=0;i<30;i++)
{
for(j=0;j<3;j++)
color[i][j]=GRB[k][j];
}
}
void change2()
{
unsigned char i;
for(i=0;i<30;i++)
{
if(color[i][0]>0&&color[i][2]==0)
{
color[i][0]--;color[i][1]++;
}
if(color[i][1]>0&&color[i][0]==0)
{
color[i][1]--;color[i][2]++;
}
if(color[i][2]>0&&color[i][1]==0)
{
color[i][2]--;color[i][0]++;
}
}
}
/*主函数*/
unsigned char main()
{
uchar k=0;
P2=0XFF;
change1(0);
while(1)
{
change1(k);
Send_Dat=0;
WriteData();SendAllData();
Send_Dat=0;
delays();
k++;if(k>=7)k=0;
if(key1==0) return 0;
if(key2==0)
{
change1(0);
while(key3==1)
{
change2();
Send_Dat=0;
WriteData();SendAllData();
Send_Dat=0; //发送数据
}
}
}
}
/*小延时函数*/
/*大概1S吧，随便写的*/
void delay() //100ms
{
unsigned char i, j, k;
i = 10;
j = 31;
// k = 147;
k=14;
do
{
do
{
while (--k);
} while (--j);
} while (--i);
}
/*大延时函数*/
/*十几秒*/
void delays()
{
delay(); delay(); delay(); delay(); delay(); delay(); delay(); delay(); delay(); delay(); delay(); delay(); delay();
delay(); delay(); delay(); delay(); delay(); delay(); delay(); delay(); delay(); delay(); delay(); delay(); delay();
delay(); delay(); delay(); delay(); delay(); delay(); delay(); delay(); delay(); delay(); delay(); delay(); delay();
}