電子工程訓(xùn)練課程實(shí)驗(yàn)報(bào)告無線藍(lán)牙小車

1、題目： 基于STC15W4K32S4的藍(lán)牙智能 小車2016 年2016 年11月課程名稱:學(xué)院（系）：專業(yè)：班級：學(xué)號：實(shí)驗(yàn)序號：學(xué)生姓名：成績：成績評定項(xiàng)目各項(xiàng)總分得分焊接30最小系統(tǒng)與電源10功能實(shí)現(xiàn)45實(shí)驗(yàn)報(bào)告10出勤5總分電子安裝實(shí)驗(yàn)室安全守則（請?jiān)谙乱豁撌殖环莅踩貏t）1、每次實(shí)驗(yàn)前，認(rèn)真預(yù)習(xí)準(zhǔn)備，仔細(xì)閱讀實(shí)驗(yàn)安全守則，嚴(yán)格按照 安全規(guī)范進(jìn)行實(shí)驗(yàn)，確保實(shí)驗(yàn)安全；2、桌面要保持整潔，不允許有雜物，禁止將水杯、瓶裝水放在桌面；3、電烙鐵在使用前，必須檢查電源線有無燙損漏線情況，一經(jīng)發(fā)現(xiàn)， 立即找老師進(jìn)行安全處理；4、電烙鐵長時(shí)間不使用，應(yīng)將電源線拔掉；電烙鐵使用后，應(yīng)放回 烙鐵架中，

2、以免燙傷物品；5、實(shí)驗(yàn)結(jié)束后，必須拔掉電烙鐵的電源線；已經(jīng)加熱的電烙鐵，必 須冷卻后再放入抽屜中；6、焊錫中含鉛，不要含在口中，實(shí)驗(yàn)結(jié)束后要洗手；7、穩(wěn)壓電源在使用前，應(yīng)先調(diào)好要使用的電壓，再進(jìn)行線路連接，并確保連接的極性正確；8、搶救觸電人員時(shí)，應(yīng)首先切斷電源或用絕緣物體挑開電源線，使 觸電者脫離電源，千萬不要用手拖拉觸電人員，以免連環(huán)觸電；9、實(shí)驗(yàn)結(jié)束后，必須關(guān)閉桌面電源開關(guān)，將桌面收拾干凈，工具物 品整理好。題目：1設(shè)計(jì)要求以STC15W4K32S4單片機(jī)為核心，設(shè)計(jì)焊接并且調(diào)試一個(gè)實(shí)際的單片機(jī)控 制系統(tǒng)，通過藍(lán)牙實(shí)現(xiàn)用手機(jī)控制小車的動作狀態(tài)。（一）焊接：在實(shí)現(xiàn)基本功能的前提下焊接好設(shè)計(jì)

3、的系統(tǒng)，盡量使其穩(wěn)定焊 點(diǎn)穩(wěn)定，焊接美觀。（二）最小系統(tǒng)與電源：利用7505穩(wěn)壓芯片實(shí)現(xiàn)輸入電壓轉(zhuǎn)為五伏穩(wěn)壓電 源輸出。（三）功能實(shí)現(xiàn)：實(shí)現(xiàn)用手機(jī)自制app或者藍(lán)牙串口助手控制小車前進(jìn)方向 以及行駛速度。2設(shè)計(jì)分析及系統(tǒng)方案設(shè)計(jì)圍繞STC15W4K32S4單片機(jī)，把系統(tǒng)的設(shè)計(jì)規(guī)劃分為兩部分硬件部分：（一）設(shè)計(jì)并且繪制原理圖（二）按照原理圖焊接電路板軟件部分：（一）編寫實(shí)驗(yàn)程序（二）系統(tǒng)調(diào)試將單片機(jī)的p0 口用于驅(qū)動lcd1602, p4.5,p2.7,p2.3,p2.2用于輸出pwm控制 電機(jī)。P3.0與p3.1用于與主機(jī)通信并且用于藍(lán)牙串口通信。3各功能模塊硬件電路設(shè)計(jì)（一）最小系統(tǒng)由于ST

4、C15W4K32S4的性能已經(jīng)進(jìn)行了優(yōu)化，所以不同于以往所接觸的單片機(jī)，它的晶振已經(jīng)集成化，不用再搭建最小系統(tǒng)電路。（二）電源電路將輸入電壓轉(zhuǎn)為5v穩(wěn)壓電源輸出（三）LCD液晶屏電路U7LCD150；11CM寸MHqLDO頃.o11CM寸廠1g.1111iiii1111iiUJ/nWo pipAJ 1o* i pg曰L- ftII,I1iVR.10十5使用P1.0P1.7與D0D7相接，EN,RW,RS分別與P0.7, P0.6, P0.5相接（四）藍(lán)牙與單片機(jī)連接藍(lán)羅橫塊藍(lán)羅橫塊這里直接用P3.0, P3.1與主機(jī)的串口通信和與藍(lán)牙共用串口。（五）LN298模塊頊:一滲控糠；iIXLIN控聃

5、rc控制踹播RPWM俏號由調(diào)逋端A調(diào)速搪BMLn止AI：;-f-Lt11-M2_；=i-f4J1f低高fALtIMoINKOUT! Oim ET3 OUT4 痼力嶙f YcEXBOUT! Oim ET3 OUT4 痼力嶙f YcEXB4系統(tǒng)軟件設(shè)計(jì)#includereg51.h#includeintrins.h#includestdio.h#includestdlib.h#defineMAIN_Fosc11059200L定義主時(shí)鐘/* 變量聲明e Standard, 01-push-pullsfr P1M0 = 0 x92;/=10-pure input, 11-open drainsfr P

6、0M1 = 0 x93;sfr P0M0 = 0 x94;sfr P2M1 = 0 x95;sfr P2M0 = 0 x96;sfr P3M1 = 0 xB1;sfr P3M0 = 0 xB2;sfr P4M1 = 0 xB3;sfr P4M0 = 0 xB4;sfr P5M1 = 0 xC9;sfr P5M0 = 0 xCA;sfr P6M1 = 0 xCB;sfr P6M0 = 0 xCC;sfr P7M1 = 0 xE1;sfr P7M0 = 0 xE2;sbit P00 = P0A0;sbit P01 = P0A1;sbit P02 = P0A2;sbit P03 = P0A3;sbi

7、t P04 = P0A4;sbit P05 = P0A5;sbit P06 = P0A6;sbit P07 = P0A7;sbit P10 = P1A0;sbit P11 = P1A1;sbit P12 = P1A2;sbit P13 = P1A3;sbit P14 = P1A4;sbit P15 = P1A5;sbit P16 = P1A6;sbit P17 = P1A7;sbit P20 = P2A0;sbit P21 = P2A1;sbit P22 = P2A2;sbit P23 = P2A3;sbit P24 = P2A4;sbit P25 = P2A5;sbit P26 = P2A6

8、;sbit P27 = P2A7;sbit P30 = P3A0;sbit P31 = P3A1;sbit P32 = P3A2;sbit P33 = P3A3;sbit P34 = P3A4;sbit P35 = P3A5;sbit P36 = P3A6;sbit P37 = P3A7;sbit P40 = P4A0;sbit P41 = P4A1;sbit P42 = P4A2;sbit P43 = P4A3;sbit P44 = P4A4;sbit P45 = P4A5;sbit P46 = P4A6;sbit P47 = P4A7;sbit P50 = P5A0;sbit P51 =

9、P5A1;sbit P52 = P5A2;sbit P53 = P5A3;sbit P54 = P5A4;sbit P55 = P5A5;sbit P56 = P5A6;sbit P57 = P5A7;/*收發(fā)定義e、上 /*/*收發(fā)定義e、上 /*/#define Baudrate19600L波特率#define UART1_BUF_LENGTH32u8 TX1_Cnt; 發(fā)送計(jì)數(shù)u8 RX1_Cnt; 接收計(jì)數(shù)bit B_TX1_Busy; / 發(fā)送忙標(biāo)志void UART1_config(u8 brt); /選擇波特率,2:使用Timer2做波特率，其它 值：使用Timer1做波特率.v

10、oid PrintString1(u8 *puts);u8 idata RX1_BufferUART1_BUF_LENGTH; /接收緩沖/* IO 口定義/* IO 口定義e /*/sbit P_HC595_SER = P4A。； /pin 14 SER data inputsbitP_HC595_RCLK = P5A4;sbitP_HC595_SRCLK = P4A3;sbitP_HC595_RCLK = P5A4;sbitP_HC595_SRCLK = P4A3;/pin 12RCLkstore (latch) clock/pin 11SRCLKShift data clock/* 本地

11、變量聲明e /*/voiddelay_ms(u8 ms);voidDisableHC595(void);voidInitialize_LCD(void);voidWrite_AC(u8 hang,u8 lie);voidWrite_DIS_Data(u8 DIS_Data);void ClearLine(u8 row);u8 BIN_ASCII(u8 tmp);void PutString(u8 row, u8 column, u8 *puts);void WriteChar(u8 row, u8 column, u8 dat);/* 變量聲明/* 變量聲明e = UART1_BUF_LENG

12、TH) TX1_Cnt = 0;void ENpwm(WORD DUTY1,WORD DUTY2,WORD outch,WORD outen)PIN_SW2 |= 0 x80;使能訪問 XSFRPWMCFG = 0 x00;/配置PWM的輸出初始電平為低電平PWMCKS = 0 x00;選擇 PWM 的時(shí)鐘為 Fosc/(0+1)PWMC = CYCLE;/設(shè)置 PWM 周期PWM3T1 = CYCLE * DUTY1/ 100;設(shè)置 PWM2 第 1 次反轉(zhuǎn)的 PWM 計(jì)數(shù)PWM4T1 = CYCLE * DUTY1/ 100;設(shè)置 PWM2 第 2 次反轉(zhuǎn)的 PWM 計(jì)數(shù)PWM5T1 =

13、CYCLE * DUTY2 / 100; 設(shè)置 PWM3 第 1 次反轉(zhuǎn)的 PWM 計(jì)數(shù) PWM2T2 =CYCLE * DUTY1/ 100 ; 設(shè)置 PWM3 第 2 次反轉(zhuǎn)的 PWM 計(jì)數(shù)PWM2CR = 0 x08;選擇PWM2輸出引腳，不使能PWM2中斷PWM3CR = 0 x00;PWM4CR = 0 x00;PWM5CR = 0 x00;PWMCR = outen;PWMCR PWMCR = outen;PWMCR |= 0 x80;PIN_SW2 &=0 x80;使能PWM模塊void closepwm()PIN_SW2 1= 0 x80;PWMCR = 0 x00;PWMCR

14、 1= 0 x80;void closepwm()PIN_SW2 1= 0 x80;PWMCR = 0 x00;PWMCR 1= 0 x80;使能訪問XSFR使能PWM信號輸出使能PWM模塊PIN_SW2 &=0 x80;Pfir1=0;Pfir2=0;Pdir1=0;Pdir2=0;void delay_ms(u8 ms)unsigned int i;doi = MAIN_Fosc / 13000;while(-i) ;/14T per loopwhile(-ms);void DisableHC595(void)u8 i;P_HC595_SER = 1;for(i=0; i/*Pin/-/*

15、Pindefine/*/sfr LCD_BUS = 0 x90; /P0-0 x80, P1-0 x90, P2-0 xA0, P3-0 xB0sbitLCD_B7=LCD_BUSA7;/D7 - Pin 14LED- - Pin 16sbitLCD_B6=LCD_BUSA6;/D6 - Pin 13LED+ - Pin 15sbitLCD_B5=LCD_BUSA5;/D5 - Pin 12Vo - Pin 3sbitLCD_B4=LCD_BUSA4;/D4 - Pin 11VDD - Pin 2sbitLCD_B3=LCD_BUSA3;/D3 - Pin 10VSS - Pin 1sbitL

16、CD_B2=LCD_BUSA2;/D2 - Pin 9sbitLCD_B1=LCD_BUSA1;/D1 - Pin 8sbitLCD_B0=LCD_BUSA0;/D0 - Pin 7sbitLCD_ENA = P0A7; /Pin 6sbitLCD_RW = P0A6;/Pin5 /LCD_RSR/WDB7-DB0FOUNCTIONsbit LCD_RS = P0A5; /Pin4 /00INPUTwrite thecommand to LCD model/01OUTPUTread BFand AC pointer from LCD model/ 1INPUTwrite the/ 1INPUT

17、write thedata to LCD model/ 11 OUTPUT read thedata from LCD model/*total 2 lines, 16x2= 32first line address: 015second line address: 6479*/#define C_CLEAR0 x01/clear LCD#define C_HOME0 x02/cursor go home#define C_CUR_L0 x04/cursor shift left after input#define C_RIGHT0 x05/picture shift right after

18、 input#define C_CUR_R0 x06/cursor shift right after input#define C_LEFT0 x07/picture shift left after input#define C_OFF0 x08/turn off LCD#define C_ON0 x0C/turn on LCD#define C_FLASH0 x0D/turn on LCD, flash#define C_CURSOR0 x0E/turn on LCD and cursor#define C_FLASH_ALL0 x0F/turn on LCD and cursor, f

19、lash#define C_CURSOR_LEFT0 x10/single cursor shift left#define C_CURSOR_RIGHT 0 x10/single cursor shift right#define C_PICTURE_LEFT0 x10/single picture shift left#define C_PICTURE_RIGHT 0 x10/single picture shift right#define C_BIT80 x30/set the data is 8 bits#define C_BIT40 x20/set the data is 4 bi

20、ts#define C_L1DOT70 x30/8 bits,one line 5*7 dots#define C_L1DOT100 x34/8 bits,one line 5*10 dots#define C_L2DOT70 x38/8 bits,tow lines 5*7 dots#define C_4bitL2DOT70 x28/4 bits,tow lines 5*7 dots#define C_CGADDRESS00 x40/CGRAM address0 (addr=40H+x)#define C_DDADDRESS00 x80/DDRAM address0 (addr=80H+x)

21、#define LCD_DelayNop()_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();#define LCD_BusData(dat) LCD_BUS = dat/= void CheckBusy(void) u16 i;for(i=0; i5000; i+) if(!LCD_B7) break; /check the LCD busy or not. With time out/ while(LC

22、D_B7);/check the LCD busy or not. Without time outvoid IniSendCMD(u8 cmd)LCD_RW = 0;LCD_BusData(cmd);LCD_DelayNop();LCD_ENA = 1;LCD_DelayNop();LCD_ENA = 0;LCD_BusData(0 xff);void Write_CMD(u8 cmd) LCD_RS = 0; LCD_RW = 1; LCD_BusData(0 xff); LCD_DelayNop(); LCD_ENA = 1; CheckBusy();/check the LCD bus

23、y or not.LCD_ENA = 0; LCD_RW = 0;LCD_BusData(cmd);LCD_DelayNop();LCD_ENA = 1;LCD_DelayNop();LCD_ENA = 0;LCD_BusData(0 xff);void Write_DIS_Data(u8 dat)LCD_RS = 0;LCD_RW = 1;LCD_BusData(0 xff);LCD_DelayNop();LCD_ENA = 1;CheckBusy();/check the LCD busy or not.LCD_ENA = 0;LCD_RW = 0;LCD_RS = 1;LCD_BusDa

24、ta(dat);LCD_DelayNop();LCD_ENA = 1;LCD_DelayNop();LCD_ENA = 0;LCD_BusData(0 xff);void Initialize_LCD(void)LCD_ENA = 0;LCD_RS = 0;LCD_RW = 0;delay_ms(100);IniSendCMD(C_BIT8); /set the data is 8 bitsdelay_ms(10);Write_CMD(C_L2DOT7); /tow lines 5*7 dotsdelay_ms(6);Write_CMD(C_CLEAR);/clear LCD RAMWrite

25、_CMD(C_CUR_R);/Curror Shift RightWrite_CMD(C_ON); /turn on LCDvoid ClearLine(u8 row)u8 i;Write_CMD(row & 1) 6) I 0 x80);for(i=0; iLineLength; i+) Write_DIS_Data();void WriteChar(u8 row, u8 column, u8 dat)Write_CMD(row & 1) 6) + column) | 0 x80);Write_DIS_Data(dat);void PutString(u8 row, u8 column, u

26、8 *puts)Write_CMD(row & 1) = LineLength) break;* LCD20 Module END，34-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4- i=br It 專17 /1 a a a a a a a a a a a a a a a a a a a a a a a a a a 4-/* 串口部分*/= / 函數(shù)：void PrintString1(u8 *puts)/描述：串口 1發(fā)送字符串函數(shù)。/參數(shù):puts:字符串指針./ 返回：none./ 版本:VER1.0/ 日期：2014-11-28/備注：/=void Prin

27、tString1(u8 *puts) 發(fā)送一個(gè)字符串 for (; *puts != 0; puts+)遇到停止符 0 結(jié)束SBUF = *puts;B_TX1_Busy = 1;while(B_TX1_Busy); /= / 函數(shù)：SetTimer2Baudraye(u16 dat)/描述：設(shè)置Timer2做波特率發(fā)生器。/參數(shù):dat: Timer2的重裝值./ 返回：none./ 版本:VER1.0/ 日期：2014-11-28/備注：/= void SetTimer2Baudraye(u16 dat) / 選擇波特率，2:使用 Timer2 做波特率, 其它值：使用Timer1做波特率

28、.AUXR &= (14); /Timer stopAUXR &= (13); /Timer2 set As TimerAUXR |= (12); /Timer2 set as 1T modeTH2 = dat / 256;TL2 = dat % 256;IE2 &= (12);禁止中斷AUXR 1= (14); /Timer run enablevoid UART1_config(u8 brt) /選擇波特率，2:使用Timer2做波特率，其 它值：使用Timer1做波特率./* 波特率使用定時(shí)器 2 */if(brt = 2)AUXR 1= 0 x01;/S1 BRT Use Timer2

29、;SetTimer2Baudraye(65536UL - (MAIN_Fosc / 4) / Baudrate1);/* 波特率使用定時(shí)器 1 */elseTR1 = 0;AUXR &= 0 x01;/S1 BRT Use Timerl;AUXR 1= (16); /Timerl set as 1T modeTMOD &= (16);/Timer1 set As TimerTMOD &= 0 x30;/Timer1_16bitAutoReload;TH1 = (u8)(65536UL - (MAIN_Fosc / 4) / Baudrate1) / 256);TL1 = (u8)(65536U

30、L - (MAIN_Fosc / 4) / Baudrate1) % 256);ET1 = 0;禁止中斷INT_CLKO &= 0 x02; 不輸出時(shí)鐘TR1 = 1;/*/SCON = (SCON & 0 x3f) I 0 x40; /UART1 模式，0 x00:同步移位輸出, 0 x40: 8位數(shù)據(jù)，可變波特率,0 x80: 9位數(shù)據(jù)，固定波特率,0 xc0: 9位數(shù)據(jù)，可變波特 率 / PS = 1;高優(yōu)先級中斷ES = 1;允許中斷REN = 1;允許接收P_SW1 &= 0 x3f;P_SW1 I= 0 x00; /UART1 switch to, 0 x00: P3.0 P3.1, 0 x40: P3.6 P3.7, 0 x80: P1.6 P1.7 (必須使用內(nèi)部時(shí)鐘)/ PCON2 1= (1= UART1_BUF_LENGTH) RX1_Cnt = 0;/ 防溢出if(TI)TI = 0;B_TX1_Busy = 0;軟件實(shí)現(xiàn)主程序流程圖：注：flag= ?處為switc