超聲波測距,51單片機和c8051單片機程序文件

1、C8051F410單片機程序/ -#include / SFR聲明#include #include #定義uint無符號整數(shù)#定義uchar無符號字符sbit trig=p07；sbit echo=p06；sbit lcden=p24；sbit lcdrs=p25；sbit sdi=p26；sbit clk=p27；無符號長s；位標志= 0；無符號char代碼table 1= Ce De Jv Li is ；無符號char code table2= 朝楚范偉；無符號字符代碼table 3= Jing que:；無符號字符表8；/ -/函數(shù)原型/ -void PORT _ Init(void)

2、；void Oscillator _ Init()；void write_595(無符號char da)；void LCD _ init(void)；void write_(無符號字符)；void write_data(無符號char da)；無效延遲(無符號整數(shù)z)；void delay m(uchar I)；無效延遲(uchar i)while(I-)；/ -/主例程/ -void main()uchar編號；PCA0MD & = 0 x40/禁止看門狗PORT _ Init()；振蕩器_初始化()；/時鐘初始化LCD _ init()；while(1)TMOD = 0 x 01；/EA

3、= 1；/IE = 0 x 80；/打開總中斷/TR0 = 0；TH0 = 0；TL0 = 0；/ET0 = 1；/允許T0中斷/IE = 0 x 80；/打開總中斷trig = 1；德萊姆(200)；trig = 0；而(！回聲)；TR0 = 1；/打開計數(shù)while(回聲)；/當RX為1時計數(shù)并等待TR0 = 0；/關閉計數(shù)s =(TH0 * 256+TL0)* 0.17 * 4；表0= s/1000+0 x 30；table1=(s % 1000)/100+0 x 30；table2=(s % 100)/10+0 x 30；表3= . ；表4= s % 10+0 x 30；表5= c ；

4、表6= m ；表7= * ；如果(s=7000|flag=1|s5) /超出測量范圍write _(0 x 80+0 x 40)；for(num = 0；num 17num+)write _ data(table 2num)；延遲(10)；其他write _(0 x 80+0 x 48)；for(num = 0；num 8；num+)write _ data(tablenum)；延遲(10)；write _(0 x 80+0 x 40)；for(num = 0；num 8；num+)write _ data(table 3num)；延遲(10)；延時(1000)；/*函數(shù)名:void PORT

5、_Init(void)功能描述:輸入輸出初始化輸入:沒有輸出:沒有全局變量:XBR1調用模塊:沒有*/void PORT_Init (void)P2MDOUT = 0 xC0XBR1 = 0 x40/*縱橫開關和弱上拉功能已啟用*/*函數(shù)名:void Oscillator_Init()功能描述:初始化振蕩器，時鐘被芯片時鐘的8分頻至3.0625Mhz輸入:沒有輸出:沒有全局變量:沒有調用模塊:沒有*/void振蕩器_Init()OSCICN = 0 x84/系統(tǒng)時鐘初始化為芯片時鐘的8分頻，即3.0625Mhz/*函數(shù)名:void write_595(無符號字符da)功能描述:MC74HC59

6、5AD用于將串行數(shù)據(jù)轉換為8位并行數(shù)據(jù)輸出?；剀?da輸出:沒有全局變量:沒有調用模塊:沒有備注:使用時鐘頻率將系統(tǒng)時鐘初始化為芯片時鐘的8分頻，即3.0625Mhz*/void write_595(無符號字符da)int I；for(I = 0；I 8；+)/先發(fā)送高位，再發(fā)送低位。clk = 0；da=_crol_(da，1)；sdi = da & 0 x01clk = 1；clk = 0；_ nop _()；clk = 1；/*函數(shù)名:void lcd_init(void)描述:1602 LCD初始化輸入:沒有輸出:沒有全局變量:沒有調用模塊:write_()備注:沒有*/void lc

7、d_init(void)uchar編號；LC den = 0；write _(0 x 38)；write _(0 x0C)；write _(0 x 06)；write _(0 x 01)；write _(0 x 80)；for(num = 0；num 17num+)write _ data(table 1num)；延遲(5)；/*函數(shù)名:void write_(無符號字符)描述:1602液晶書寫說明輸入:輸出:沒有全局變量:沒有調用模塊:write_595()備注:沒有*/void write_(無符號字符)LCD RS = 0；write _ 595()；延遲(15)；LC den = 1；

8、延遲(15)；LC den = 0；/*函數(shù)名:void write_data(無符號字符da)描述:1602液晶寫數(shù)據(jù)?；剀?命令輸出:沒有全局變量:沒有調用模塊:write_595()備注:沒有*/void write_data(無符號字符da)LCD RS = 1；write _ 595(da)；延遲(15)；LC den = 1；延遲(15)；LC den = 0；/*函數(shù)名:void delay(無符號整數(shù)z)功能描述:延時功能2Mhz，時鐘下延時1ms回車:z輸出:沒有全局變量:沒有調用模塊:沒有備注:沒有*/無效延遲(無符號整數(shù)z)無符號int ii，jj；for(ii = 0；

9、ii z；ii+)for(jj = 0；jj 180jj+)_ nop _()；Voizd0()中斷1/t0中斷用于使計數(shù)器溢出，超出量程范圍。flag = 1；/中斷溢出標志回聲= 0；89c51或52#include /設備配置文件#include #include sbit rcho=p36；sbit trig=p37；sbit lcm_rw=p25；/定義LCD引腳sbit lcm_rs=p26；sbit lcm_e=p27；#定義LCM_Data P0sbit key_data=p31；/定義鍵盤pinsbit key_clk=p32；#定義Busy 0 x80 /用于檢測LCM狀態(tài)

10、字中的Busy IDvoid LCM init(void)；/LCD初始化功能void DisplayOneChar(無符號char X，無符號char Y，無符號char DData)；/LCD顯示字符功能。void DisplayListChar(無符號char X，無符號char Y，無符號char code * DData)；/LCD顯示一個字符串函數(shù)。void delay 5 ms(void)；/延時5ms功能void Delay400Ms(無效)；/延時400 ms功能無效解碼(無符號字符掃描碼)；void WriteDataLCM(無符號字符wd LCM)；/LCD1602寫數(shù)據(jù)

11、功能void writecommandcm(unsigned char wcl cm，BuysC)；/LCD寫命令功能/無符號char read datalcm(void)；無符號char ReadStatusLCM(void)；無符號字符代碼范圍 = 王立勇；無符號字符代碼ASCII13 = 0123456789。-M ；無符號字符代碼表= Jv Li = 000.0cm ；無符號char代碼table1= 朝楚范偉；/靜態(tài)無符號char DisNum = 0；/用于顯示的指針無符號int time = 0；無符號長S = 0；位標志= 0；unsigned char disbuff4= 0

12、，0，0，0，；/寫入數(shù)據(jù)void WriteDataLCM(無符號字符WDLCM)ReadStatusLCM()；/檢測繁忙LCM _ Data = WDLCMLCM _ RS = 1；LCM _ RW = 0；LCM _ E = 0；/如果晶體振蕩器速度太高，可以在此之后添加一個小延遲。LCM _ E = 0；/延遲LCM _ E = 1；/寫指令voidwritecommandcm(unsigned char wcl cm，buysc)/當buysc為0時，忽略繁忙檢測。if(BuysC)ReadStatusLCM()；/根據(jù)需要檢測忙LCM _ Data = WCLCMLCM _ RS

13、 = 0；LCM _ RW = 0；LCM _ E = 0；LCM _ E = 0；LCM _ E = 1；/讀取數(shù)據(jù)/*無符號字符ReadDataLCM(void)LCM _ RS = 1；LCM _ RW = 1；LCM _ E = 0；LCM _ E = 0；LCM _ E = 1；return(LCM _ Data)；*/讀取狀態(tài)無符號字符ReadStatusLCM(void)LCM _ Data = 0 xFFLCM _ RS = 0；LCM _ RW = 1；LCM _ E = 0；LCM _ E = 0；LCM _ E = 1；while(LCM _ Data & Busy)；/

14、檢測占線信號return(LCM _ Data)；Void LCMInit(void) /LCM初始化LCM _ Data = 0；writecommandcm(0 x 38，0)；/顯示模式設置三次，沒有檢測到占線信號。delay 5 ms()；writecommandcm(0 x 38，0)；delay 5 ms()；writecommandcm(0 x 38，0)；delay 5 ms()；writecommandcm(0 x 38，1)；/設置顯示模式，每次開始詢問忙信號檢測。writecommandcm(0 x 08，1)；/關閉顯示器writecommandcm(0 x 01，1)

15、；/顯示清晰的屏幕writecommandcm(0 x 06，1)；/顯示光標移動設置writecommandcm(0 x0c，1)；/顯示打開和光標設置/在指定位置顯示字符void DisplayOneChar(無符號字符X，無符號字符Y，無符號字符DData)Y & = 0 x1X & = 0 xF/限制X不能大于15，Y不能大于1if(Y)X | = 0 x 40；/要顯示第二行時地址碼+0 x 40；X | = 0 x80/計算腳本writecommandcm(X，1)；/發(fā)送一個命令字writedatalacm(DData)；/發(fā)送數(shù)據(jù)/在指定位置顯示字符串void DisplayL

16、istChar(無符號字符X，無符號字符Y，無符號字符代碼*DData)無符號字符列表長度；list length = 0；Y & = 0 x1X & = 0 xF/限制X不能大于15，Y不能大于1while(ddatalist length 0 x 19)/到達字符串末尾時退出。If (X =7000)|flag=1) /超出測量范圍flag = 0；DisplayListChar(0，1，table 1)；其他disbuff0= S % 10；disbuff1= S/10% 10；disbuff2= S/100% 10；disbuff3= S/1000；DisplayListChar(0，

17、1，table)；DisplayOneChar(9，1，ASCIIdisbuff3)；DisplayOneChar(10，1，ASCIIdisbuff2)；DisplayOneChar(11，1，ASCIIdisbuff1)；DisplayOneChar(12，1，ASCII10)；DisplayOneChar(13，1，ASCIIdisbuff0)；/*/Voizd0()中斷1/t0中斷用于使計數(shù)器溢出，超出量程范圍。flag = 1；/中斷溢出標志rcho = 0；/*/Void StartModule() /啟動模塊trig = 1；/啟動模塊一次。_ nop _()；_ nop _()

18、；_ nop _()；_ nop _()；_ nop _()；_ nop _()；_ nop _()；_ nop _()；_ nop _()；_ nop _()；_ nop _()；_ nop _()；_ nop _()；_ nop _()；_ nop _()；_ nop _()；/*_ nop _()；_ nop _()；_ nop _()；_ nop _()；_ nop _()；*/trig = 0；/*/*void延遲符號(無符號整數(shù)毫秒)無符號字符i=100，j；for(；ms；ms -)while( - i)j = 10while(-j)；*/void計時器計數(shù)(void)TR0 = 1；/打開計數(shù)while(Rcho)；/當RX為1時計數(shù)并等待TR0 = 0；/關閉計數(shù)conut()；/計算/*/無效總管(無效)無符號int valAdelay 400 ms()；/開始等待，等待LCM工作。LCM init()；/LCM初始化delay 5 ms()；/延遲片刻DisplayListChar(0，0，Range)；