电子工程训练课程实验报告无线蓝牙小车

1、题目：基于STC15W4K32S4的蓝牙智能小车课程名称： 学院（系）： 专 业： 班 级： 学 号： 实验序号： 学生姓名： 成 绩： 2016 年 11月 4日成绩评定项目各项总分得分焊接30最小系统与电源10功能实现45实验报告10出勤5总分电子安装实验室安全守则（请在下一页手抄一份安全守则）1、 每次实验前，认真预习准备，仔细阅读实验安全守则，严格按照安全规范进行实验，确保实验安全；2、 桌面要保持整洁，不允许有杂物，禁止将水杯、瓶装水放在桌面；3、 电烙铁在使用前，必须检查电源线有无烫损漏线情况，一经发现，立即找老师进行安全处理；4、 电烙铁长时间不使用，应将电源线拔掉；电烙铁使用后

2、，应放回烙铁架中，以免烫伤物品；5、 实验结束后，必须拔掉电烙铁的电源线；已经加热的电烙铁，必须冷却后再放入抽屉中；6、 焊锡中含铅，不要含在口中，实验结束后要洗手；7、 稳压电源在使用前，应先调好要使用的电压，再进行线路连接，并确保连接的极性正确；8、 抢救触电人员时，应首先切断电源或用绝缘物体挑开电源线，使触电者脱离电源，千万不要用手拖拉触电人员，以免连环触电；9、 实验结束后，必须关闭桌面电源开关，将桌面收拾干净，工具物品整理好。题目：1 设计要求以STC15W4K32S4单片机为核心，设计焊接并且调试一个实际的单片机控制系统，通过蓝牙实现用手机控制小车的动作状态。（1） 焊接：在实现基

3、本功能的前提下焊接好设计的系统，尽量使其稳定焊点稳定，焊接美观。（2） 最小系统与电源：利用7505稳压芯片实现输入电压转为五伏稳压电源输出。（3） 功能实现：实现用手机自制app或者蓝牙串口助手控制小车前进方向以及行驶速度。2 设计分析及系统方案设计围绕STC15W4K32S4单片机，把系统的设计规划分为两部分硬件部分：（1） 设计并且绘制原理图（2） 按照原理图焊接电路板软件部分：（1） 编写实验程序（2） 系统调试将单片机的p0口用于驱动lcd1602，p4.5,p2.7,p2.3,p2.2用于输出pwm控制电机。P3.0与p3.1用于与主机通信并且用于蓝牙串口通信。3 各功能模块硬件电

4、路设计（1） 最小系统由于STC15W4K32S4的性能已经进行了优化，所以不同于以往所接触的单片机，它的晶振已经集成化，不用再搭建最小系统电路。（2） 电源电路将输入电压转为5v稳压电源输出（3） LCD液晶屏电路使用P1.0P1.7与D0D7相接，EN,RW,RS分别与P0.7，P0.6，P0.5相接（4） 蓝牙与单片机连接这里直接用P3.0，P3.1与主机的串口通信和与蓝牙共用串口。（5） LN298模块4 系统软件设计#include "reg51.h"#include "intrins.h"#include "stdio.h"

5、;#include "stdlib.h"#define MAIN_Fosc 11059200L /定义主时钟/* 变量声明 */ typedef unsigned char u8;typedef unsigned int u16;typedef unsigned long u32;typedef unsigned char BYTE;typedef unsigned int WORD;#define uchar unsigned char#define uint unsigned int#define elif else if#define PWMC (*(unsigned

6、 int volatile xdata *)0xfff0)#define PWMCH (*(unsigned char volatile xdata *)0xfff0)#define PWMCL (*(unsigned char volatile xdata *)0xfff1)#define PWMCKS (*(unsigned char volatile xdata *)0xfff2)#define PWM2T1 (*(unsigned int volatile xdata *)0xff00)#define PWM2T1H (*(unsigned char volatile xdata *)

7、0xff00)#define PWM2T1L (*(unsigned char volatile xdata *)0xff01)#define PWM2T2 (*(unsigned int volatile xdata *)0xff02)#define PWM2T2H (*(unsigned char volatile xdata *)0xff02)#define PWM2T2L (*(unsigned char volatile xdata *)0xff03)#define PWM2CR (*(unsigned char volatile xdata *)0xff04)#define PWM

8、3T1 (*(unsigned int volatile xdata *)0xff10)#define PWM3T1H (*(unsigned char volatile xdata *)0xff10)#define PWM3T1L (*(unsigned char volatile xdata *)0xff11)#define PWM3T2 (*(unsigned int volatile xdata *)0xff12)#define PWM3T2H (*(unsigned char volatile xdata *)0xff12)#define PWM3T2L (*(unsigned ch

9、ar volatile xdata *)0xff13)#define PWM3CR (*(unsigned char volatile xdata *)0xff14)#define PWM4T1 (*(unsigned int volatile xdata *)0xff20)#define PWM4T1H (*(unsigned char volatile xdata *)0xff20)#define PWM4T1L (*(unsigned char volatile xdata *)0xff21)#define PWM4T2 (*(unsigned int volatile xdata *)

10、0xff22)#define PWM4T2H (*(unsigned char volatile xdata *)0xff22)#define PWM4T2L (*(unsigned char volatile xdata *)0xff23)#define PWM4CR (*(unsigned char volatile xdata *)0xff24)#define PWM5T1 (*(unsigned int volatile xdata *)0xff30)#define PWM5T1H (*(unsigned char volatile xdata *)0xff30)#define PWM

11、5T1L (*(unsigned char volatile xdata *)0xff31)#define PWM5T2 (*(unsigned int volatile xdata *)0xff32)#define PWM5T2H (*(unsigned char volatile xdata *)0xff32)#define PWM5T2L (*(unsigned char volatile xdata *)0xff33)#define PWM5CR (*(unsigned char volatile xdata *)0xff34)#define PWM6T1 (*(unsigned in

12、t volatile xdata *)0xff40)#define PWM6T1H (*(unsigned char volatile xdata *)0xff40)#define PWM6T1L (*(unsigned char volatile xdata *)0xff41)#define PWM6T2 (*(unsigned int volatile xdata *)0xff42)#define PWM6T2H (*(unsigned char volatile xdata *)0xff42)#define PWM6T2L (*(unsigned char volatile xdata

13、*)0xff43)#define PWM6CR (*(unsigned char volatile xdata *)0xff44)#define PWM7T1 (*(unsigned int volatile xdata *)0xff50)#define PWM7T1H (*(unsigned char volatile xdata *)0xff50)#define PWM7T1L (*(unsigned char volatile xdata *)0xff51)#define PWM7T2 (*(unsigned int volatile xdata *)0xff52)#define PWM

14、7T2H (*(unsigned char volatile xdata *)0xff52)#define PWM7T2L (*(unsigned char volatile xdata *)0xff53)#define PWM7CR (*(unsigned char volatile xdata *)0xff54)sfr PWMCFG = 0xf1;sfr PWMCR = 0xf5;sfr PWMIF = 0xf6;sfr PWMFDCR = 0xf7;sfr TH2 = 0xD6;sfr TL2 = 0xD7;sfr IE2 = 0xAF;sfr INT_CLKO = 0x8F;sfr A

15、UXR = 0x8E;sfr AUXR1 = 0xA2;sfr P_SW1 = 0xA2;sfr P_SW2 = 0xBA;sfr PIN_SW2 =0xBA;sfr S2CON = 0x9A;sfr S2BUF = 0x9B;sfr P4 = 0xC0;sfr P5 = 0xC8;sfr P6 = 0xE8;sfr P7 = 0xF8;sfr P1M1 = 0x91; /PxM1.n,PxM0.n =00->Standard, 01->push-pullsfr P1M0 = 0x92; / =10->pure input, 11->open drainsfr P0M1

16、 = 0x93;sfr P0M0 = 0x94;sfr P2M1 = 0x95;sfr P2M0 = 0x96;sfr P3M1 = 0xB1;sfr P3M0 = 0xB2;sfr P4M1 = 0xB3;sfr P4M0 = 0xB4;sfr P5M1 = 0xC9;sfr P5M0 = 0xCA;sfr P6M1 = 0xCB;sfr P6M0 = 0xCC;sfr P7M1 = 0xE1;sfr P7M0 = 0xE2;sbit P00 = P00;sbit P01 = P01;sbit P02 = P02;sbit P03 = P03;sbit P04 = P04;sbit P05

17、= P05;sbit P06 = P06;sbit P07 = P07;sbit P10 = P10;sbit P11 = P11;sbit P12 = P12;sbit P13 = P13;sbit P14 = P14;sbit P15 = P15;sbit P16 = P16;sbit P17 = P17;sbit P20 = P20;sbit P21 = P21;sbit P22 = P22;sbit P23 = P23;sbit P24 = P24;sbit P25 = P25;sbit P26 = P26;sbit P27 = P27;sbit P30 = P30;sbit P31

18、= P31;sbit P32 = P32;sbit P33 = P33;sbit P34 = P34;sbit P35 = P35;sbit P36 = P36;sbit P37 = P37;sbit P40 = P40;sbit P41 = P41;sbit P42 = P42;sbit P43 = P43;sbit P44 = P44;sbit P45 = P45;sbit P46 = P46;sbit P47 = P47;sbit P50 = P50;sbit P51 = P51;sbit P52 = P52;sbit P53 = P53;sbit P54 = P54;sbit P55

19、= P55;sbit P56 = P56;sbit P57 = P57;/* 收发定义 */#define Baudrate1 9600L/波特率#define UART1_BUF_LENGTH 32u8 TX1_Cnt; /发送计数u8 RX1_Cnt; /接收计数bit B_TX1_Busy; /发送忙标志void UART1_config(u8 brt); / 选择波特率, 2: 使用Timer2做波特率, 其它值: 使用Timer1做波特率.void PrintString1(u8 *puts);u8 idata RX1_BufferUART1_BUF_LENGTH; /接收缓冲/*

20、IO口定义 */sbit P_HC595_SER = P40; /pin 14 SER data inputsbit P_HC595_RCLK = P54; /pin 12 RCLk store (latch) clocksbit P_HC595_SRCLK = P43; /pin 11 SRCLK Shift data clock/* 本地变量声明 */void delay_ms(u8 ms);void DisableHC595(void);void Initialize_LCD(void);void Write_AC(u8 hang,u8 lie);void Write_DIS_Data(

21、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);/* 变量声明 */#define CYCLE 0x1000L /定义PWM周期(最大值为32767)u8 DirLeft15="Dir Left"u8 DirRight15="Dir Right"u8 DirUp15="Dir Up"u8 DirDow

22、n15="Dir Down"u8 HSpeed15="Speed Normal"u8 NSpeed15="Speed Hight"int flag = 0;sbit Pdir1 =P21;sbit Pdir2 =P22;sbit Pfir1 =P23;sbit Pfir2 =P27;void IoInit(void);void SendMegBack(void);void ENpwm(WORD DUTY1,WORD DUTY2,WORD outch,WORD outen);void closepwm();WORD Speed1=75L

23、;WORD Speed2=80L;WORD Fspeed1=75l;WORD Fspeed2=80L;bit Dir=0;/=void main(void)IoInit(); /初始化端口 Initialize_LCD();/初始化端口lcdUART1_config(1); / 选择波特率, 2: 使用Timer2做波特率, 其它值: 使用Timer1做波特率. EA = 1; /允许总中断 while(1) flag=SBUF;SendMegBack();switch(flag)case '0': ClearLine(1); PutString(1,0,DirLeft); F

24、speed1=Speed1;Fspeed2=18*Speed2/32; break;case '1': ClearLine(1); PutString(1,0,DirRight); Fspeed1=19*Speed1/32;Fspeed2=Speed2; break;case '2': ClearLine(1); PutString(1,0,DirUp); Fspeed1=Speed1;Fspeed2=Speed2; Dir=0; break;case '3': ClearLine(1); PutString(1,0,DirDown); Fspe

25、ed1=Speed1;Fspeed2=Speed2; Dir=1; break;case '4': ClearLine(0); PutString(0,0,NSpeed); Speed1=95L;Speed2=100L; Fspeed1=Speed1;Fspeed2=Speed2; break;case '5': ClearLine(0); PutString(0,0,HSpeed); Speed1=75L;Speed2=80L; Fspeed1=Speed1;Fspeed2=Speed2; break;case '6': ClearLine(0

26、); PutString(0,0,NSpeed); Speed1=Speed1-2l;Speed2=Speed2-2l; Fspeed1=Speed1;Fspeed2=Speed2; break;case '7': ClearLine(0); PutString(0,0,NSpeed); Speed1=Speed1+2l;Speed2=Speed2+2l; Fspeed1=Speed1;Fspeed2=Speed2; break;default: ClearLine(0); PutString(0,0,HSpeed); Speed1=75L;Speed2=80L; Fspeed

27、1=Speed1;Fspeed2=Speed2; break;if(Dir=0)ENpwm(Fspeed1,Fspeed2,0x00,0x0a);Pdir2=0;Pfir2=0;elseENpwm(Fspeed1,Fspeed2,0x00,0x05);Pdir1=0;Pfir1=0;delay_ms(20); /*/void IoInit(void)P0M1 = 0; P0M0 = 0; /设置为准双向口 P1M1 = 0; P1M0 = 0; /设置为准双向口 P2M1 = 0; P2M0 = 0; /设置为准双向口 P3M1 = 0; P3M0 = 0; /设置为准双向口 P4M1 = 0

28、; P4M0 = 0; /设置为准双向口 P5M1 = 0; P5M0 = 0; /设置为准双向口 P6M1 = 0; P6M0 = 0; /设置为准双向口 P7M1 = 0; P7M0 = 0; /设置为准双向口void SendMegBack(void)if(TX1_Cnt != RX1_Cnt) && (!B_TX1_Busy) /收到数据, 发送空闲SBUF = RX1_BufferTX1_Cnt; /把收到的数据远样返回 B_TX1_Busy = 1; if(+TX1_Cnt >= UART1_BUF_LENGTH) TX1_Cnt = 0;void ENpwm

29、(WORD DUTY1,WORD DUTY2,WORD outch,WORD outen)PIN_SW2 |= 0x80; /使能访问XSFRPWMCFG = 0x00; /配置PWM的输出初始电平为低电平PWMCKS = 0x00; /选择PWM的时钟为Fosc/(0+1)PWMC = CYCLE; /设置PWM周期PWM3T1 = CYCLE * DUTY1/ 100; /设置PWM2第1次反转的PWM计数PWM4T1 = CYCLE * DUTY1/ 100; /设置PWM2第2次反转的PWM计数PWM5T1 = CYCLE * DUTY2 / 100; /设置PWM3第1次反转的PWM

30、计数PWM2T2 =CYCLE * DUTY1/ 100 ; /设置PWM3第2次反转的PWM计数PWM2CR = 0x08; /选择PWM2输出引脚，不使能PWM2中断PWM3CR = 0x00; PWM4CR = 0x00; PWM5CR = 0x00; PWMCR = outen; /使能PWM信号输出PWMCR |= 0x80; /使能PWM模块PIN_SW2 &= 0x80;/占空比为(PWM2T2-PWM2T1)/PWMCvoid closepwm()PIN_SW2 |= 0x80; /使能访问XSFRPWMCR = 0x00; /使能PWM信号输出PWMCR |= 0x8

31、0; /使能PWM模块PIN_SW2 &= 0x80;Pfir1=0;Pfir2=0;Pdir1=0;Pdir2=0;void delay_ms(u8 ms) unsigned int i; do i = MAIN_Fosc / 13000; while(-i) ; /14T per loop while(-ms);void DisableHC595(void) u8 i; P_HC595_SER = 1; for(i=0; i<20; i+) P_HC595_SRCLK = 1; P_HC595_SRCLK = 0; P_HC595_RCLK = 1; P_HC595_RCLK

32、 = 0; /锁存输出数据 P_HC595_RCLK = 1; P_HC595_RCLK = 0; /锁存输出数据/ 函数: void RTC(void)/ 描述: RTC演示函数/ 参数: none./ 返回: none./ 版本: VER1.0/ 日期: 2013-4-1/ 备注: /=/* LCD1602相关程序 */8位数据访问方式 LCD1602 标准程序 梁工编写 2014-2-21#define LineLength 16 /16x2/* Pin define */sfr LCD_BUS = 0x90; /P0-0x80, P1-0x90, P2-0xA0, P3-0xB0sbi

33、t LCD_B7 = LCD_BUS7; /D7 - Pin 14 LED- - Pin 16 sbit LCD_B6 = LCD_BUS6; /D6 - Pin 13 LED+ - Pin 15sbit LCD_B5 = LCD_BUS5; /D5 - Pin 12 Vo - Pin 3sbit LCD_B4 = LCD_BUS4; /D4 - Pin 11 VDD - Pin 2sbit LCD_B3 = LCD_BUS3; /D3 - Pin 10 VSS - Pin 1sbit LCD_B2 = LCD_BUS2; /D2 - Pin 9sbit LCD_B1 = LCD_BUS1;

34、/D1 - Pin 8sbit LCD_B0 = LCD_BUS0; /D0 - Pin 7sbit LCD_ENA = P07; /Pin 6sbit LCD_RW = P06; /Pin 5 /LCD_RS R/W DB7-DB0 FOUNCTIONsbit LCD_RS = P05; /Pin 4 / 0 0 INPUT write the command to LCD model / 0 1 OUTPUT read BF and AC pointer from LCD model / 1 0 INPUT write the data to LCD model / 1 1 OUTPUT

35、read the data from LCD model/*total 2 lines, 16x2= 32first line address: 015second line address: 6479*/#define C_CLEAR 0x01 /clear LCD#define C_HOME 0x02 /cursor go home#define C_CUR_L 0x04 /cursor shift left after input#define C_RIGHT 0x05 /picture shift right after input#define C_CUR_R 0x06 /curso

36、r shift right after input#define C_LEFT 0x07 /picture shift left after input#define C_OFF 0x08 /turn off LCD#define C_ON 0x0C /turn on LCD#define C_FLASH 0x0D /turn on LCD, flash #define C_CURSOR 0x0E /turn on LCD and cursor#define C_FLASH_ALL 0x0F /turn on LCD and cursor, flash#define C_CURSOR_LEFT

37、 0x10 /single cursor shift left#define C_CURSOR_RIGHT 0x10 /single cursor shift right#define C_PICTURE_LEFT 0x10 /single picture shift left#define C_PICTURE_RIGHT 0x10 /single picture shift right#define C_BIT8 0x30 /set the data is 8 bits#define C_BIT4 0x20 /set the data is 4 bits#define C_L1DOT7 0x

38、30 /8 bits,one line 5*7 dots#define C_L1DOT10 0x34 /8 bits,one line 5*10 dots#define C_L2DOT7 0x38 /8 bits,tow lines 5*7 dots#define C_4bitL2DOT7 0x28 /4 bits,tow lines 5*7 dots#define C_CGADDRESS0 0x40 /CGRAM address0 (addr=40H+x)#define C_DDADDRESS0 0x80 /DDRAM address0 (addr=80H+x)#define LCD_Del

39、ayNop() _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; i<5000; i+) if(!LCD_B7) break; /check the LCD busy or not. With time out/ whil

40、e(LCD_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(0xff);void Write_CMD(u8 cmd) LCD_RS = 0; LCD_RW = 1; LCD_BusData(0xff); LCD_DelayNop(); LCD_ENA = 1; CheckBusy(); /check

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

42、 = 0; LCD_RS = 1; LCD_BusData(dat); LCD_DelayNop(); LCD_ENA = 1; LCD_DelayNop(); LCD_ENA = 0; LCD_BusData(0xff);void Initialize_LCD(void) LCD_ENA = 0; LCD_RS = 0; LCD_RW = 0; delay_ms(100); IniSendCMD(C_BIT8); /set the data is 8 bits delay_ms(10); Write_CMD(C_L2DOT7); /tow lines 5*7 dots delay_ms(6)

43、; Write_CMD(C_CLEAR); /clear LCD RAM Write_CMD(C_CUR_R); /Curror Shift Right Write_CMD(C_ON); /turn on LCDvoid ClearLine(u8 row) u8 i; Write_CMD(row & 1) << 6) | 0x80); for(i=0; i<LineLength; i+) Write_DIS_Data(' ');void WriteChar(u8 row, u8 column, u8 dat) Write_CMD(row & 1

44、) << 6) + column) | 0x80); Write_DIS_Data(dat);void PutString(u8 row, u8 column, u8 *puts) Write_CMD(row & 1) << 6) + column) | 0x80); for ( ; *puts != 0; puts+) /遇到停止符0结束 Write_DIS_Data(*puts); if(+column >= LineLength) break; /* LCD20 Module END */* 串口部分*/=/ 函数: void PrintString1(u8 *puts)/ 描述: 串口1发送字符串函数。/ 参数: puts: 字符串指针./ 返回: none./ 版本: VER1.0/ 日期: 2014-11-28/ 备注: /=void PrintString1(u8 *puts) /发送一个字符串 for (; *pu