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這個(gè)16位圓形5500RGB全彩LED圓形流水燈,用WS2811彩燈單片機(jī)驅(qū)動
I/O接口 接DIN VCC接+5V GND接0V
看看一下這
http://www.zg4o1577.cn/bbs/dpj-76424-1.html
- // 僅以此貼獻(xiàn)給剛剛學(xué)會流水燈的孩子,學(xué)會這個(gè)就可以搞任意顏色搭配的流水燈了,而且根本不用考慮引腳個(gè)數(shù)(碎碎念:只用一個(gè)引腳就可以控制幾百個(gè)以上的燈珠,每個(gè)燈珠顏色是255*255*255種)
- //代碼如下:
- /********************************************************/
- /*作 者:Dyingstraw
- /*修改日期:2015.5.2
- /*版 本:V1.0
- /*程序功能:用51單片機(jī)控制ws2812 RGB輸出,顯示全色彩
- /*備 注:51單片機(jī)晶振24M
- /********************************************************/
- #include<reg52.h>
- #include<intrins.h>
- #define uchar unsigned char
- sbit Send_Dat=P1^0; //數(shù)據(jù)輸出,接IN腳
- sbit Key=P1^1; //按鍵等待
- sbit Send_Dat1=P1^2; //中斷狀態(tài)燈
- uchar RGB_BUF[24];
- void delay();
- void delays();
- void init();
- uchar Led_Tab[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x88,0x83,0xC6,0xA1,0x86,0x8E};
- //存儲一個(gè)轉(zhuǎn)化后的RGB2進(jìn)制數(shù) 共24bits
- struct My_24bits //結(jié)構(gòu)體
- {
- uchar G_VAL; //綠色 0-255
- uchar R_VAL; //紅色 0-255
- uchar B_VAL; //藍(lán)色0-255
- };
- /*寫入數(shù)據(jù)時(shí)序*/
- void Send_A_bit(uchar VAL)
- {
- // Send_Dat=0;
- if (VAL==1)
- {
- // Send_Dat=0;
- Send_Dat=1;
- _nop_();
- //_nop_();
- Send_Dat=0; //2.17us
- //_nop_();
- // Send_Dat=1; //2.17us
- }
- else
- {
- // Send_Dat=0;
- Send_Dat=1;
- //_nop_();
- //_nop_();
- Send_Dat=0;
- _nop_();
- // Send_Dat=1;
- }
-
- }
- /*發(fā)送24位字符(包含RGB信息各8位)*/
- void Send_24bits(struct My_24bits RGB_VAL )
- {
- uchar i;
- for (i=0;i<8;i++)
- {
- RGB_BUF[i]=RGB_VAL.R_VAL>>i&0x01; //轉(zhuǎn)化R_VAL
- }
- for (i=8;i<16;i++)
- {
- RGB_BUF[i]=RGB_VAL.G_VAL>>(i-8)&0x01; //轉(zhuǎn)化G_VAL
- }
- for (i=16;i<24;i++) //轉(zhuǎn)化B_VAL
- {
- RGB_BUF[i]=RGB_VAL.B_VAL>>(i-16)&0x01;
- }
- for (i=0;i<24;i++)
- {
- Send_A_bit(RGB_BUF[i]);
- }
-
- }
- /*主函數(shù)*/
- void main()
- {
- struct My_24bits a,b,c,d,e,f,g;
- a.R_VAL=0xff;
- a.G_VAL=0x00; //1 顏色順序,下同
- a.B_VAL=0x00;
- b.R_VAL=0x00;
- b.G_VAL=0xff; //2
- b.B_VAL=0x00;
- c.R_VAL=0x00;
- c.G_VAL=0x00; //3
- c.B_VAL=0xff;
- d.R_VAL=0xff; //4
- d.G_VAL=0xff;
- d.B_VAL=0x00;
- e.R_VAL=0xff;
- e.G_VAL=0x00; //5
- e.B_VAL=0xff;
- f.R_VAL=0x00;
- f.G_VAL=0xff; //6
- f.B_VAL=0xff;
- g.R_VAL=0xff; //7
- g.G_VAL=0xff;
- g.B_VAL=0xff;
- init();
- while(1)
- {
- Send_Dat=0;
- Send_24bits(a);
- Send_Dat=0; P0=0xF9;
- delays();
- while(Key==1); //按鍵等待,當(dāng)Key=1時(shí)停止,等于0時(shí)七種顏色流水燈循環(huán),下同(主要方便觀察顏色)
- Send_24bits(b);
- Send_Dat=0; P0=0xa4; //共陰極數(shù)碼管顯示顏色順序,下同
- delays();
- while(Key==1);
- Send_24bits(c);
- Send_Dat=0; P0=0xb0;
- delays();
- while(Key==1);
- Send_24bits(d);
- Send_Dat=0; P0=Led_Tab[4];
- delays();
- while(Key==1);
- Send_24bits(e);
- Send_Dat=0; P0=Led_Tab[5];
- delays();
- while(Key==1);
- Send_24bits(f);
- Send_Dat=0; P0=Led_Tab[6];
- delays();
- while(Key==1);
- Send_24bits(g);
- Send_Dat=0; P0=Led_Tab[7];
- delays();
- while(Key==1);
- // PCON|=0x01; //空閑模式
-
- }
- }
- /*中斷喚醒測試函數(shù)*/
- void INT1_ISR(void) interrupt 2
- {
- P2=1;
- }
- /*小延時(shí)函數(shù)*/
- /*大概1S吧,隨便寫的*/
- void delay()
- {
- uchar i,j;
- for (i=0;i<250;i++)
- {
- for (j=0;j<250;j++);
- }
- }
- /*大延時(shí)函數(shù)*/
- /*十幾秒*/
- void delays()
- {
- delay();
- delay();
- delay();
- delay();
- delay();
- delay();
- delay();
- delay();
- delay();
- delay();
- delay();
- delay();
- }
- /*系統(tǒng)初始化*/
- void init()
- {
- P0=0x00;
- P1=0x00;
- P2=0x00;
- P3=0x00;
- TCON=0x05;
- TMOD=0x00;
- TH0=0x00;
- TL0=0x00;
- TH1=0x00;
- TL1=0x00;
- T2CON=0x00;
- RCAP2H=0x00;
- RCAP2L=0x00;
- IP=0x00;
- IE=0x85;
- PCON=0x00;
- SCON=0x00;
- }
復(fù)制代碼
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