旋轉(zhuǎn)LED制作.docx

旋轉(zhuǎn)LED的制作山東農(nóng)業(yè)大學(xué)機(jī)電學(xué)院 劉承杰1.簡介旋轉(zhuǎn)LED是利用人的視覺暫留性，用高頻率的刷新，使人感覺到形成一幅完整的畫面。其結(jié)構(gòu)簡單，構(gòu)件實(shí)惠，易懂易學(xué)。主要由控制部分，燈陣部分，旋轉(zhuǎn)部分，供電部分，程序等構(gòu)成。2.制作步驟A.控制部分 控制部分有多種形式在此僅以51單片機(jī)為例進(jìn)行介紹，焊接單片機(jī)最小系統(tǒng)如圖所示其中C10和C11為30Pf瓷片電容電容右側(cè)為12M晶振。圖片右下角可不焊接。B燈陣 燈陣可由16個(gè)或8個(gè)一列發(fā)光LED組成LED燈為公共正極，負(fù)極單獨(dú)引線并順序連接至單片機(jī)引腳的P2口和P1口，共16根線。公共正極連接至單片機(jī)電源正極。C旋轉(zhuǎn)部分 旋轉(zhuǎn)部分主要由電機(jī)構(gòu)成，電機(jī)外接獨(dú)立電源。開關(guān)處最好接滑動(dòng)變阻器以調(diào)節(jié)轉(zhuǎn)速。D程序/*此代碼移植性良好*/#include /單片機(jī)頭文件#define DY_DELAY2 /設(shè)置每一個(gè)點(diǎn)顯示的時(shí)間長度（120）sbit LED1 = P2 0; /LED燈定義，低電平時(shí)亮（自上到下）sbit LED2 = P2 1;sbit LED3 = P2 2;sbit LED4 = P2 3;sbit LED5 = P2 4;sbit LED6 = P2 5;sbit LED7 = P2 6;sbit LED8 = P2 7;sbit LED9 = P1 0;sbit LED10 = P1 1;sbit LED11 = P1 2;sbit LED12 = P1 3;sbit LED13 = P1 4;sbit LED14 = P1 5;sbit LED15 = P1 6;sbit LED16 = P1 7;sbit LED17 = P10;sbit LED18=P11;unsigned char code logo = 0x00,0x01,0x80,0x40,0x60,0x40,0x1E,0x41,0x10,0x41,0x10,0x41,0x10,0x41,0x10,0x41,0xFF,0x7F,0x12,0x41,0x10,0x41,0x10,0x41,0x98,0x41,0x10,0x61,0x00,0x40,0x00,0x00,/*生,0*/0x00,0x00,0x00,0x00,0x00,0x00,0xFE,0x3F,0x42,0x10,0x42,0x10,0x42,0x10,0x42,0x10,0x42,0x10,0x42,0x10,0x42,0x10,0xFE,0x3F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*日,1*/0x70,0x00,0x00,0x00,0xFF,0xFF,0x08,0x00,0xB0,0x80,0x88,0x40,0x88,0x30,0x88,0x0E,0xFF,0x01,0x88,0x06,0x88,0x08,0x88,0x30,0xF8,0x60,0x80,0xC0,0x80,0x40,0x00,0x00,/*快,2*/0x00,0x00,0x00,0x20,0x40,0x18,0xFC,0x0C,0x44,0x07,0x44,0x12,0x44,0x20,0x46,0x40,0xFA,0x3F,0x42,0x00,0x43,0x00,0x43,0x02,0x42,0x0C,0x40,0x38,0x00,0x10,0x00,0x00,/*樂*/;/*函數(shù)名：毫秒級CPU延時(shí)函數(shù)調(diào) 用：DELAY_MS (?);參 數(shù)：165535（參數(shù)不可為0）返回值：無結(jié) 果：占用CPU方式延時(shí)與參數(shù)數(shù)值相同的毫秒時(shí)間備 注：應(yīng)用于1T單片機(jī)時(shí)i600，應(yīng)用于12T單片機(jī)時(shí)i125/*/void DELAY_MS (unsigned int a)unsigned int i;while( -a != 0)for(i = 0; i 600; i+);/*函數(shù)名：LED顯示用延時(shí)函數(shù)調(diào) 用：delay(?);參 數(shù)：165535（參數(shù)不可為0）返回值：無結(jié) 果：占用CPU方式延時(shí)與參數(shù)數(shù)值相同的毫秒時(shí)間備 注：應(yīng)用于1T單片機(jī)時(shí)i600，應(yīng)用于12T單片機(jī)時(shí)i125*/void delay (unsigned int a) / 用于點(diǎn)掃描的延時(shí)unsigned int i;while( -a != 0)for(i = 0; i 1; i+); /*/*函數(shù)名：關(guān)閉所有LED燈（操作硬件）調(diào) 用：DISPLAY_OFF();參 數(shù)：無返回值：無結(jié) 果：所有LED燈熄滅備 注：/*/void DISPLAY_OFF (void)delay(DY_DELAY);/顯示停留P2 = 0xff;P1 = 0xff; /LED17=0; / LED18=0;/*/*函數(shù)名：單幀數(shù)據(jù)送入顯示（操作硬件）調(diào) 用：DISPLAY_PIN(?,?);參 數(shù)：16位顯示數(shù)據(jù)（下高位）（d：上面8位，e：下面8位）返回值：無結(jié) 果：點(diǎn)亮對應(yīng)數(shù)據(jù)的LED燈備 注：/*/void DISPLAY_PIN (unsigned char d,unsigned char e) /第1列橫向顯示程序unsigned char i;i = d & 0x01;if(i = 0x01)LED1 = 0;DISPLAY_OFF();i = d & 0x02;if(i = 0x02)LED2 = 0;DISPLAY_OFF();i = d & 0x04;if(i = 0x04)LED3 = 0;DISPLAY_OFF();i = d & 0x08;if(i = 0x08)LED4 = 0;DISPLAY_OFF();i = d & 0x10;if(i = 0x10)LED5 = 0;DISPLAY_OFF();i = d & 0x20;if(i = 0x20)LED6 = 0;DISPLAY_OFF();i = d & 0x40;if(i = 0x40)LED7 = 0;DISPLAY_OFF();i = d & 0x80;if(i = 0x80)LED8 = 0;DISPLAY_OFF();i = e & 0x01;if(i = 0x01)LED9 = 0;DISPLAY_OFF();i = e & 0x02;if(i = 0x02)LED10 = 0;DISPLAY_OFF();i = e & 0x04;if(i = 0x04)LED11 = 0;DISPLAY_OFF();i = e & 0x08;if(i = 0x08)LED12 = 0;DISPLAY_OFF();i = e & 0x10;if(i = 0x10)LED13 = 0;DISPLAY_OFF();i = e & 0x20;if(i = 0x20)LED14 = 0;DISPLAY_OFF();i = e & 0x40;if(i = 0x40)LED15 = 0;DISPLAY_OFF();i = e & 0x80;if(i = 0x80)LED16 = 0;DISPLAY_OFF(); /*函數(shù)名：初始化程序調(diào) 用：init();參 數(shù)：無返回值：無結(jié) 果：設(shè)計(jì)IO接口為強(qiáng)推方式并全部置1備 注：/*/void init (void) /* P4SW = 0xff; /啟動(dòng)P4接口/P0M0 = 0xff; /接口設(shè)置為強(qiáng)推/P2M0 = 0xff;/P4M0 = 0xff; */P1 = 0xff; /初始IO接口狀態(tài)P3 =