课程设计说明书 机油压力检测系统

计系):交通与汽车工程学院………………3第-1-页共43页山有路勤为径，学海无涯苦作舟 2.1系统方案设计论证 5 3.5光电报警电路 83.6A/D转换电路 9 4.2蜂鸣器子程序框图 134.2显示子程序框图 11 5.1.1在protel99se绘制原理图并进行相应的ERC检查 155.1.2在protel99se生成PCB图 16 第-2-页共43页山有路勤为径，学海无涯苦作舟 第-3-页共43页山有路勤为径，学海无涯苦作舟摘要本课程设计是基于8051单片机为控制核心的机油压力检测系统。在硬件电路部分，第-4-页共43页山有路勤为径，学海无涯苦作舟第-5-页共43页A/D转换器A/D转换器山有路勤为径，学海无涯苦作舟案设计论证LCD显示机压压力超过预定第-6-页共43页山有路勤为径，学海无涯苦作舟(1)8051单片机在此单片机上集成了微处理器(CPU)，内部数据存储器(RAM)，以及输入输出端口。LE④PSEN脚：程序存储器输出控制端，在单片机访问外部程序存储器时，此引脚输出的负脉冲作为读外部程平时，单片机直接访问片外程序存储器。本设计用的是8031，由于8031内部无程序存储器，所以此引脚应接第-7-页共43页ROM定时器/计ROM定时器/计山有路勤为径，学海无涯苦作舟RAMATC5电路复位电路通常采用上电自动复位和按钮复位两种方式。本次设计采用上电复位电路。第-8-页共43页山有路勤为径，学海无涯苦作舟第-9-页共43页山有路勤为径，学海无涯苦作舟电路和第-10-页共43页山有路勤为径，学海无涯苦作舟软件设计第-11-页共43页是否是否山有路勤为径，学海无涯苦作舟A/D转换开始(4)报警、显示流程框图如下:第-12-页共43页山有路勤为径，学海无涯苦作舟NONO S声。第-13-页共43页山有路勤为径，学海无涯苦作舟打开protel99ser，绘制系统的原理图。原理图包括能输出时钟电路，驱动电路以及复位电路。绘制完成的原理图如图5-1:第-14-页共43页山有路勤为径，学海无涯苦作舟第-15-页共43页山有路勤为径，学海无涯苦作舟creatinghexfilefrom"机油压力检测系统"...机油压力检测系统"-0Error(s),0Warning(s).第-16-页共43页山有路勤为径，学海无涯苦作舟第-17-页共43页山有路勤为径，学海无涯苦作舟第-18-页共43页山有路勤为径，学海无涯苦作舟第-19-页共43页山有路勤为径，学海无涯苦作舟结论第-20-页共43页山有路勤为径，学海无涯苦作舟致谢第-21-页共43页山有路勤为径，学海无涯苦作舟[1]谭浩强.C程序设计(第三版)[M].北京.清华大学出版社.2005(2007重印)[2]张毅刚，彭喜元等.MCS-51单片机应用设计(第3版)[M].哈尔滨.哈尔滨工业大学出版[3]徐琤颖.Protel99SEEDA技术及应用.[M].北京.机械工业出版社.2009.1重印[4]古辉，刘均等.微型计算机接口及控制技术.[M].北京.机械工业出版社.2009.1山有路勤为径，学海无涯苦作舟压力检测系统.c*/udeshowfunhudestdiohudemathhefineucharunsignedcharexterncharfnLCMInitLCMexternvoidfnSetPosunsignedcharurowunsignedcharucol设置当前地IIsbitalarmPsbitledAlarmP;//报警灯uinttheLastTime次鸣响持续次数charGetADResultCS0;CLK=0;//选择单端/差分(SGL/DIF)模式中的单端输入模式个下降沿读数据(MSB->LSB)iii第-22-页共43页第-23-页共43页山有路勤为径，学海无涯苦作舟dat1=dat1<<1|DIO;}个下降沿读数据(LSB->MSB)iii}CSreturn(dat1==dat2)?dat1:0;}unsignedchardsp[4];//作为压力存储传入函数显示voiddelay/蜂鸣器鸣响间隔延时while(j--)ainfloatad值fnLCMInitfnSetPosdprintf12,"机油压力检测系统");dprintf");dprintf(110,58,"千帕");ADResult=Get_AD_Result();YADResult*5.0/255.0/5.1-0.04)/0.00369-3.45;)while1)YADResult*5.0/255.0/5.1-0.04)/0.00369-3.45;if(abs(Y2-Y1)<=dY)//变化不能太快，否则会失效第-4-页共38页山有路勤为径，学海无涯苦作舟 (4)二职等二阶1)技术本职位称呼：正技术员；2)本职位最高主管为：正组长；3)本薪金额：自1000元起至1850元止； (5)三职等一阶1)技术本职位称呼：助理工程师；2)本职位最高主管为：副部长；3)本薪金额：自1500元起至3200元止； (6)三职等二阶1)技术本职位称呼：正工程师；2)本职位最高主管为：正部长；3)本薪金额：自2000元起至3700元止；第-5-页共38页山有路勤为径，学海无涯苦作舟 (7)四职等一阶1)技术本职位称呼：高级工程师；2)本职位最高主管为：副经理；3)本薪金额：自3000元起至5500元止； (8)四职等二价1)技术本职位称呼：总工程师；2)本职位最高主管为：正经理；3)本薪金额：自5000元起至8500元止； (9)五职等一价1)技术本职位称呼：副监督；2)本职位最高主管为：副总经理；3)本薪金额：自6000元起至10000元止；第-6-页共38页山有路勤为径，学海无涯苦作舟 (10)五职等二阶1)技术本职位称呼：总监；2)本职位最高主管为：总经理；3)本薪金额：自8000元起至15000元止； (1)固定津贴1)主管津贴第-27-页共43页山有路勤为径，学海无涯苦作舟#defineLC_DIS_SW0x90//显示开关//D0=1/0:光标闪烁启用/禁用;#defineLC_AUT_WR0xB0//自动写设置#defineLC_AUT_RD0xB1//自动读设置defineLCAUTOVRxB/自动读/写结束defineLCNOCWRxC//数据一次写，地址不变defineLCNOCRDxC//数据一次读，地址不变defineLCSCN_RD0xE0//屏读defineLCSCNCP0xE8//屏拷贝*******************************************************************/LCM40128显示程序*/MCU号:WinbondW78E58-24*/频率:22.1184MHz*//*接口方式:直接接口(挂总线)*/环境:KeilC51V6.14*/日期:2001.06.12-*/Youth*/*******************************************************************/udestdarghudestdiohudemathhudeintrinsh第-28-页共43页山有路勤为径，学海无涯苦作舟udeabsacchudestringhudeshowfunhcodeucharconstuPowArrx0x02,0x04,0x08,0x10,0x20,0x40,0x80}ASCII及高度定义#defineASC_CHR_WIDTH8#defineASC_CHR_HEIGHT12#defineHZ_CHR_HEIGHT12#defineHZ_CHR_WIDTH12charcodeMSKxx0x03,0x07,0x0f,0x1f,0x3f,0x7f,0xff};charcodeMSKxx0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0xff};charcodeASC_MSK[58*10]={xxx0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//''xxx0x78,0x78,0x30,0x30,0x00,0x30,0x30,0x00,0x00,//'!'xxx0x66,0x24,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//'"'xxcxcxfe0x6c,0x6c,0x6c,0xfe,0x6c,0x6c,0x00,0x00,//'#'xxxcxc0,0xc0,0x78,0x0c,0x0c,0xf8,0x30,0x30,0x00,//'$'xxx0xc4,0xcc,0x18,0x30,0x60,0xcc,0x8c,0x00,0x00,//'%'xxxdxd8,0x70,0xfa,0xde,0xcc,0xdc,0x76,0x00,0x00,//'&'xxx0x30,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//'''xxcxx30,0x60,0x60,0x60,0x30,0x18,0x0c,0x00,0x00,//'('xxx0x18,0x0c,0x0c,0x0c,0x18,0x30,0x60,0x00,0x00,//')'xxx0x66,0x3c,0xff,0x3c,0x66,0x00,0x00,0x00,0x00,//'*'xxx0x18,0x18,0x7e,0x18,0x18,0x00,0x00,0x00,0x00,//'+'xxx0x00,0x00,0x00,0x00,0x00,0x38,0x38,0x60,0x00,//','xxx0x00,0x00,0xfe,0x00,0x00,0x00,0x00,0x00,0x00,//'-'第-29-页共43页山有路勤为径，学海无涯苦作舟xxx0x00,0x00,0x00,0x00,0x00,0x38,0x38,0x00,0x00,//'.'xxx0x06,0x0c,0x18,0x30,0x60,0xc0,0x80,0x00,0x00,//'/'xxcxcxce0xde,0xd6,0xf6,0xe6,0xc6,0x7c,0x00,0x00,//'0'xxx0xf0,0x30,0x30,0x30,0x30,0x30,0xfc,0x00,0x00,//'1'xxxccxcc0x0c,0x18,0x30,0x60,0xcc,0xfc,0x00,0x00,//'2'xxxccxc,0x0c,0x38,0x0c,0x0c,0xcc,0x78,0x00,0x00,//'3'xxcxcxc,0x6c,0xcc,0xfe,0x0c,0x0c,0x1e,0x00,0x00,//'4'xxfcxcxc0xc0,0xf8,0x0c,0x0c,0xcc,0x78,0x00,0x00,//'5'xxx0xc0,0xc0,0xf8,0xcc,0xcc,0xcc,0x78,0x00,0x00,//'6'xxfexcxc0x06,0x0c,0x18,0x30,0x30,0x30,0x00,0x00,//'7'xxxccxcc0xec,0x78,0xdc,0xcc,0xcc,0x78,0x00,0x00,//'8'xxxccxcc0xcc,0x7c,0x18,0x18,0x30,0x70,0x00,0x00,//'9'xxx0x38,0x38,0x00,0x00,0x38,0x38,0x00,0x00,0x00,//':'typedefstructtypFNTGB数据结构机--*/xxxx,0x24,0x80,0xF4,0x80,0x24,0x80,0x74,0x80,0x6C,0x80,0xA4,xxx0x24,0xA0,0x28,0xA0,0x30,0x60,油--*/第-30-页共43页山有路勤为径，学海无涯苦作舟xxxx,0x2F,0xE0,0x09,0x20,0x89,0x20,0x49,0x20,0x0F,0xE0,0x09,xxx0x49,0x20,0x8F,0xE0,0x08,0x20,压--*/xxxF,0xE0,0x40,0x00,0x42,0x00,0x42,0x00,0x42,0x00,0x5F,0xC0,0x42,xxx0x42,0x40,0x42,0x00,0xBF,0xE0,力--*/xxx8,0x00,0x08,0x00,0xFF,0xC0,0x08,0x40,0x08,0x40,0x08,0x40,0x10,xxx0x20,0x40,0x40,0x40,0x83,0x80,检--*/xxx1,0x00,0x22,0x80,0xF4,0x40,0x28,0x20,0x67,0xC0,0x70,0x00,0xA2,xxx0x25,0x40,0x24,0x80,0x2F,0xE0,测--*/xxxBE0x20,0x62,0xA0,0x2A,0xA0,0x2A,0xA0,0xAA,0xA0,0x6A,0xA0,0x2A,xAxAxAx,0x20,0x94,0x20,0x22,0x60,系--*/第-31-页共43页山有路勤为径，学海无涯苦作舟xxCxC0x00,0x08,0x00,0x10,0x80,0x3F,0x00,0x06,0x00,0x18,0x40,0x7F,xExxx24,0x80,0x44,0x40,0x8C,0x20,统--*/xxx0,0x80,0x47,0xE0,0x91,0x00,0xE2,0x40,0x24,0x20,0x47,0xE0,0xF2,xAxxx32,0x80,0xC4,0xA0,0x08,0x60,千--*/xxx3,0xC0,0x7C,0x00,0x04,0x00,0x04,0x00,0x04,0x00,0xFF,0xE0,0x04,xxx0x04,0x00,0x04,0x00,0x04,0x00,帕--*/xxx1,0x00,0xFB,0xE0,0xAA,0x20,0xAA,0x20,0xAA,0x20,0xAB,0xE0,0xAA,xxAAxxBA0x20,0x23,0xE0,0x22,0x20,当--*/xxx4,0x40,0x24,0x80,0x04,0x00,0x7F,0xC0,0x00,0x40,0x00,0x40,0x3F,xCxxx00,0x40,0x7F,0xC0,0x00,0x40,前--*/第-32-页共43页山有路勤为径，学海无涯苦作舟xxx1,0x00,0xFF,0xE0,0x00,0x00,0x7C,0x40,0x45,0x40,0x7D,0x40,0x45,xxDxx45,0x40,0x44,0x40,0x4C,0xC0,警--*/xxxFD0xE0,0x4A,0x40,0x7D,0x40,0xD4,0x80,0x75,0x40,0x0A,0x20,0xFF,xExxx7F,0xC0,0x20,0x80,0x3F,0x80,告--*/xxx4,0x00,0x3F,0xC0,0x44,0x00,0x04,0x00,0xFF,0xE0,0x00,0x00,0x7F,xCxxx40,0x40,0x7F,0xC0,0x40,0x40,过--*/xxx0,0x40,0x00,0x40,0x0F,0xE0,0xE0,0x40,0x24,0x40,0x22,0x40,0x22,xxx0x21,0xC0,0x50,0x00,0x8F,0xE0,高--*/xxxFF0xE0,0x00,0x00,0x3F,0x80,0x20,0x80,0x3F,0x80,0x00,0x00,0xFF,xExxx9F,0x20,0x91,0x20,0x9F,0x60,低--*/第-33-页共43页山有路勤为径，学海无涯苦作舟xxCxFxx29,0x00,0x29,0x00,0x69,0x00,0xAF,0xE0,0x29,0x00,0x29,xxAxAxC,0xA0,0x2A,0x60,0x21,0x20,ucharShowModeSW//当前显示模式ttxthomegrhome*********************************************************************/ucharfnSTSTASTA写指令和读写数据)ucharfnSTST写状态)ucharfnPRucharuCmducharuPar1,ucharuPar2);//写双参数的指令ucharfnPRucharuCmd,ucharuPar1);//写单参数的指令ucharfnPRucharuCmd);//写无参数的指令ucharfnPR13(ucharuData);//写数据ucharfnPR);//读数据charfnLCMInitLCMvoidOutToLCDucharDatucharxuchary//显示辅助函数ucharfnST01(void)//状态位STA1,STA0判断(读写指令和读写数据)//{uchari;fori0;i>0;i--){Wxxk}第-34-页共43页山有路勤为径，学海无涯苦作舟returni返回零，说明错误}ucharfnSTvoidST{uchari;fori0;i>0;i--){Wxxk}returni返回零，说明错误}ucharfnPRucharuCmducharuPar1,ucharuPar2)//写双参数的指令{iffnSTreturnLCMDWuPariffnST01()==0)return2;ucharfnPRucharuCmd,ucharuPar1)//写单参数的指令ucharfnPRucharuCmd)//写无参数的指令{return1;CWuCmd}ucharfnPR13(ucharuData)//写数据{第-35-页共43页山有路勤为径，学海无涯苦作舟return1;DWuData}ucharfnPRvoid)//读数据return1;nLCMDW}voidfnSetPos(ucharurow,ucharucol)//设置当前地址fnPRLCADDPOSiPosxFFiPos/2