夏普红外测距传感器

红外测距传感器，具备10-100cm厘米测距，5v供电，led屏，指定距离灯光语音报警

红外测距传感器利用ADC获取指定电压变化

void GetVolt(){u8 i;for(i=0;i<160;i++){temp+=RegularConvData_Tab[i]; }temp=temp/160;Volt1=temp*3300/4096;if(1500<Volt1&&Volt1<=2700){LLL=Volt1/180;}if(1000<Volt1&&Volt1<=1500){LLL=Volt1/25;}if(500<Volt1&&Volt1<=1000){LLL=Volt1/9.4;}if(Volt1<=500){LLL=Volt1/3.8;}}

10-100cm测距根据adc获取的电压变化获取距离公式

void GetDistance(){u32 x;x = Volt1;//µÚÒ»¸öºìÍâÓú¯Êýif(2450<=Volt1){Distance = 63.426 - 0.018*x;}if(1801<=Volt1&&Volt1<2450){Distance = 70.344 - 0.0206*x;}if(1000<=Volt1&&Volt1<1801){Distance = 100 - 0.04*x;}if(780<=Volt1&&Volt1<1000){Distance = 184.18 - 0.1245*x;}if(700<=Volt1&&Volt1<780){Distance = 172.5 - 0.125*x;}if(0<Volt1&&Volt1<700){Distance = 155-0.1*x;}}

将获取的距离值放在led屏幕上显示

利用iic来链接led屏

并配置相关led功能函数

void IIC_Start(){OLED_SCLK_Set() ;OLED_SDIN_Set();OLED_SDIN_Clr();OLED_SCLK_Clr();}/**********************************************//IIC Stop**********************************************/void IIC_Stop(){OLED_SCLK_Set() ;//OLED_SCLK_Clr();OLED_SDIN_Clr();OLED_SDIN_Set();}void IIC_Wait_Ack(){//GPIOB->CRH &= 0XFFF0FFFF;//ÉèÖÃPB12ΪÉÏÀ­ÊäÈëģʽ//GPIOB->CRH |= 0x00080000;//OLED_SDA = 1;//delay_us(1);//OLED_SCL = 1;//delay_us(50000);/*while(1){if(!OLED_SDA)//ÅжÏÊÇ·ñ½ÓÊÕµ½OLED Ó¦´ðÐźÅ{//GPIOB->CRH &= 0XFFF0FFFF;//ÉèÖÃPB12ΪͨÓÃÍÆÃâÊä³öģʽ//GPIOB->CRH |= 0x00030000;return;}}*/OLED_SCLK_Set() ;OLED_SCLK_Clr();}/**********************************************// IIC Write byte**********************************************/void Write_IIC_Byte(unsigned char IIC_Byte){unsigned char i;unsigned char m,da;da=IIC_Byte;OLED_SCLK_Clr();for(i=0;i<8;i++){m=da;//OLED_SCLK_Clr();m=m&0x80;if(m==0x80){OLED_SDIN_Set();}else OLED_SDIN_Clr();da=da<<1;OLED_SCLK_Set();OLED_SCLK_Clr();}}/**********************************************// IIC Write Command**********************************************/void Write_IIC_Command(unsigned char IIC_Command){IIC_Start();Write_IIC_Byte(0x78); //Slave address,SA0=0IIC_Wait_Ack();Write_IIC_Byte(0x00);//write commandIIC_Wait_Ack();Write_IIC_Byte(IIC_Command); IIC_Wait_Ack();IIC_Stop();}/**********************************************// IIC Write Data**********************************************/void Write_IIC_Data(unsigned char IIC_Data){IIC_Start();Write_IIC_Byte(0x78);//D/C#=0; R/W#=0IIC_Wait_Ack();Write_IIC_Byte(0x40);//write dataIIC_Wait_Ack();Write_IIC_Byte(IIC_Data);IIC_Wait_Ack();IIC_Stop();}void OLED_WR_Byte(unsigned dat,unsigned cmd){if(cmd){Write_IIC_Data(dat);}else {Write_IIC_Command(dat);}}/********************************************// fill_Picture********************************************/void fill_picture(unsigned char fill_Data){unsigned char m,n;for(m=0;m<8;m++){OLED_WR_Byte(0xb0+m,0);//page0-page1OLED_WR_Byte(0x00,0);//low column start addressOLED_WR_Byte(0x10,0);//high column start addressfor(n=0;n<128;n++){OLED_WR_Byte(fill_Data,1);}}}/***********************Delay****************************************/void Delay_50ms(unsigned int Del_50ms){unsigned int m;for(;Del_50ms>0;Del_50ms--)for(m=6245;m>0;m--);}void Delay_1ms(unsigned int Del_1ms){unsigned char j;while(Del_1ms--){for(j=0;j<123;j++);}}//×ø±êÉèÖÃvoid OLED_Set_Pos(unsigned char x, unsigned char y) { OLED_WR_Byte(0xb0+y,OLED_CMD);OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD);OLED_WR_Byte((x&0x0f),OLED_CMD); }//¿ªÆôOLEDÏÔʾ void OLED_Display_On(void){OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDCÃüÁîOLED_WR_Byte(0X14,OLED_CMD); //DCDC ONOLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON}//¹Ø±ÕOLEDÏÔʾvoid OLED_Display_Off(void){OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDCÃüÁîOLED_WR_Byte(0X10,OLED_CMD); //DCDC OFFOLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF} //ÇåÆÁº¯Êý,ÇåÍêÆÁ,Õû¸öÆÁÄ»ÊǺÚÉ«µÄ!ºÍûµãÁÁÒ»Ñù!!! void OLED_Clear(void) { u8 i,n; for(i=0;i<8;i++) { OLED_WR_Byte (0xb0+i,OLED_CMD); //ÉèÖÃÒ³µØÖ·£¨0~7£©OLED_WR_Byte (0x00,OLED_CMD);//ÉèÖÃÏÔʾλÖáªÁе͵ØÖ·OLED_WR_Byte (0x10,OLED_CMD);//ÉèÖÃÏÔʾλÖáªÁиߵØÖ· for(n=0;n<128;n++)OLED_WR_Byte(0,OLED_DATA); } //¸üÐÂÏÔʾ}void OLED_On(void) { u8 i,n; for(i=0;i<8;i++) { OLED_WR_Byte (0xb0+i,OLED_CMD); //ÉèÖÃÒ³µØÖ·£¨0~7£©OLED_WR_Byte (0x00,OLED_CMD);//ÉèÖÃÏÔʾλÖáªÁе͵ØÖ·OLED_WR_Byte (0x10,OLED_CMD);//ÉèÖÃÏÔʾλÖáªÁиߵØÖ· for(n=0;n<128;n++)OLED_WR_Byte(1,OLED_DATA); } //¸üÐÂÏÔʾ}//ÔÚÖ¸¶¨Î»ÖÃÏÔʾһ¸ö×Ö·û,°üÀ¨²¿·Ö×Ö·û//x:0~127//y:0~63//mode:0,·´°×ÏÔʾ;1,Õý³£ÏÔʾ //size:Ñ¡Ôñ×ÖÌå 16/12 void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 Char_Size){unsigned char c=0,i=0;c=chr-' ';//µÃµ½Æ«ÒƺóµÄÖµif(x>Max_Column-1){x=0;y=y+2;}if(Char_Size ==16){OLED_Set_Pos(x,y);for(i=0;i<8;i++)OLED_WR_Byte(F8X16[c*16+i],OLED_DATA);OLED_Set_Pos(x,y+1);for(i=0;i<8;i++)OLED_WR_Byte(F8X16[c*16+i+8],OLED_DATA);}else {OLED_Set_Pos(x,y);for(i=0;i<6;i++)OLED_WR_Byte(F6x8[c][i],OLED_DATA);}}//m^nº¯Êýu32 oled_pow(u8 m,u8 n){u32 result=1; while(n--)result*=m; return result;} //ÏÔʾ2¸öÊý×Ö//x,y :Æðµã×ø±ê //len :Êý×ÖµÄλÊý//size:×ÖÌå´óС//mode:ģʽ0,Ìî³äģʽ;1,µþ¼Óģʽ//num:ÊýÖµ(0~4294967295); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size2){ u8 t,temp;u8 enshow=0; for(t=0;t<len;t++){temp=(num/oled_pow(10,len-t-1))%10;if(enshow==0&&t<(len-1)){if(temp==0){OLED_ShowChar(x+(size2/2)*t,y,' ',size2);continue;}else enshow=1; }OLED_ShowChar(x+(size2/2)*t,y,temp+'0',size2); }} //ÏÔʾһ¸ö×Ö·ûºÅ´®void OLED_ShowString(u8 x,u8 y,u8 *chr,u8 Char_Size){unsigned char j=0;while (chr[j]!='\0'){OLED_ShowChar(x,y,chr[j],Char_Size);x+=8;if(x>120){x=0;y+=2;}j++;}}/***********¹¦ÄÜÃèÊö£ºÏÔʾÏÔʾBMPͼƬ128¡Á64Æðʼµã×ø±ê(x,y),xµÄ·¶Î§0¡«127£¬yΪҳµÄ·¶Î§0¡«7*****************/void OLED_DrawBMP(unsigned char x0, unsigned char y0,unsigned char x1, unsigned char y1,unsigned char BMP[]){ unsigned int j=0;unsigned char x,y;if(y1%8==0) y=y1/8;else y=y1/8+1;for(y=y0;y<y1;y++){OLED_Set_Pos(x0,y);for(x=x0;x<x1;x++){OLED_WR_Byte(BMP[j++],OLED_DATA); }}} //³õʼ»¯SSD1306 void OLED_Init(void){ delay_ms(800);OLED_WR_Byte(0xAE,OLED_CMD);//--display offOLED_WR_Byte(0x00,OLED_CMD);//---set low column addressOLED_WR_Byte(0x10,OLED_CMD);//---set high column addressOLED_WR_Byte(0x40,OLED_CMD);//--set start line address OLED_WR_Byte(0xB0,OLED_CMD);//--set page addressOLED_WR_Byte(0x81,OLED_CMD); // contract controlOLED_WR_Byte(0xFF,OLED_CMD);//--128 OLED_WR_Byte(0xA1,OLED_CMD);//set segment remap OLED_WR_Byte(0xA6,OLED_CMD);//--normal / reverseOLED_WR_Byte(0xA8,OLED_CMD);//--set multiplex ratio(1 to 64)OLED_WR_Byte(0x3F,OLED_CMD);//--1/32 dutyOLED_WR_Byte(0xC8,OLED_CMD);//Com scan directionOLED_WR_Byte(0xD3,OLED_CMD);//-set display offsetOLED_WR_Byte(0x00,OLED_CMD);//OLED_WR_Byte(0xD5,OLED_CMD);//set osc divisionOLED_WR_Byte(0x80,OLED_CMD);//OLED_WR_Byte(0xD8,OLED_CMD);//set area color mode offOLED_WR_Byte(0x05,OLED_CMD);//OLED_WR_Byte(0xD9,OLED_CMD);//Set Pre-Charge PeriodOLED_WR_Byte(0xF1,OLED_CMD);//OLED_WR_Byte(0xDA,OLED_CMD);//set com pin configuartionOLED_WR_Byte(0x12,OLED_CMD);//OLED_WR_Byte(0xDB,OLED_CMD);//set VcomhOLED_WR_Byte(0x30,OLED_CMD);//OLED_WR_Byte(0x8D,OLED_CMD);//set charge pump enableOLED_WR_Byte(0x14,OLED_CMD);//OLED_WR_Byte(0xAF,OLED_CMD);//--turn on oled panelOLED_Clear();//OLED_ShowString(6,3,"0.96' OLED TEST",16);} void OLED_ShowCharh(u8 x,u8 y,u8 chr){unsigned char c=0,i=0;c=chr;//µÃµ½Æ«ÒƺóµÄÖµif(x>Max_Column-1){x=0;y=y+2;}//16 X 32,Ô­À´ÊÇ24*48OLED_Set_Pos(x,y);for(i=0;i<16;i++)OLED_WR_Byte(F18X16[c*64+i],OLED_DATA);OLED_Set_Pos(x,y+1);for(i=0;i<16;i++)OLED_WR_Byte(F18X16[c*64+i+16],OLED_DATA);OLED_Set_Pos(x,y+2);for(i=0;i<16;i++)OLED_WR_Byte(F18X16[c*64+i+32],OLED_DATA);OLED_Set_Pos(x,y+3);for(i=0;i<16;i++)OLED_WR_Byte(F18X16[c*64+i+48],OLED_DATA);OLED_Set_Pos(x,y+4);}//ÏÔʾһ¸ö×Ö·ûºÅ´®void OLED_ShowStringh(u8 x,u8 y,u8 *chr,u8 Char_Size){unsigned char j=0;while (chr[j]!='\0'){if(chr[j]<='9'&&chr[j]>='0')OLED_ShowCharh(x,y,chr[j]+1-'0');elseOLED_ShowCharh(x,y,0);x+=16;if(x>120){x=0;y+=2;}j++;}}

将电压值和和距离值传送到led屏幕上去

void ShowLED(){u8 text[25];u16 baud;sprintf(text,"Vat:");OLED_ShowString(0,2,text,16);sprintf(text,"%4d",Volt1);OLED_ShowStringh(32,0,text,16);sprintf(text,"Dtc:");OLED_ShowString(0,5,text,16);sprintf(text,"%4dcm",Distance);;OLED_ShowStringh(32,4,text,16);if(ModelBaud==2)baud = 9600;else if (ModelBaud==1)baud = 4800;else baud = 2400;sprintf(text,"ID:%03d B:%d",ModelID,baud);//OLED_ShowString(0,6,text,16);}

指定距离灯光语音报警，可用modbus设置两个不同距离档位LLoff1，LLoff20，外设声光报警器，通过控制继电器，来进行开关

if(biaozhiwei==1)//´ò¿ª±¨¾¯¹¦ÄÜ{if(LLoff1<Distance&&Distance<LLoff2)//´óÓÚÒ»µµ£¬Ð¡ÓÚ¶þµ²{GPIO_ResetBits(GPIOA,GPIO_Pin_9);delay_ms(100);GPIO_SetBits(GPIOA,GPIO_Pin_9);delay_ms(100);}if(Distance>LLoff2)//´óÓÚ¶þµ²{GPIO_ResetBits(GPIOA,GPIO_Pin_9);delay_ms(1000);GPIO_SetBits(GPIOA,GPIO_Pin_9);delay_ms(1000);}}else{GPIO_SetBits(GPIOA,GPIO_Pin_9);}}}