GY-30感光模块.doc

:GY-30ROHMBH1750FVI 3-5v0-65535 lx16bitAD1NXP IIC5vioSTC 51 CAVR M16 C1967/1.candela1.candela1013251/60Pt2042K17691 60 58.810.8850.9192.candelacdLcdI=F/sr,FI=F/4 /cd/m²1.5*10 510*10³2.5*10³120803.lumenlm5.305*10³cm²1lm11140W21004.luxlx111lux0.0010.020.020.355050500100100010*650601400 1967 /1. candela1. candela1013251/60Pt2042K17691 60 58.810.8850.9192. candelacdLcdI=F/sr,FI=F/4 /cd/m²1.5*10 510*10³2.5*10³120803. lumenlm5.305*10³cm²1lm11140W21004. luxlx111lux0.0010.020.020.355050500100100010*650601400 C/C+/*/ BH1750FVI IIC/ STC89C52/ 11.0592M,12M/ ,4800/ Keil uVision2/ 24c04/ 20121127/ Mr Lee/*#include #include /Keil library#include /Keil library#include #define uchar unsigned char#define uint unsigned int#define SlaveAddress 0x46 /IIC,ALT ADDRESS/ALT ADDRESS0x460xB8sbit SCL=P10; /IICsbit SDA=P11; /IICtypedef unsigned char BYTE;typedef unsigned short WORD;BYTE BUF8; /uchar ge,shi,bai,qian,wan; /int dis_data; /void delay_nms(unsigned int k);void Init_BH1750(void);void conversion(uint temp_data);void Single_Write_BH1750(uchar REG_Address); /uchar Single_Read_BH1750(uchar REG_Address); /void Multiple_Read_BH1750(); /-void Delay5us();void Delay5ms();void BH1750_Start(); /void BH1750_Stop(); /void BH1750_SendACK(bit ack); /ACKbit BH1750_RecvACK(); /ackvoid BH1750_SendByte(BYTE dat); /IICBYTE BH1750_RecvByte(); /IIC/-/*void conversion(uint temp_data) / wan=temp_data/10000+0x30 ;temp_data=temp_data%10000; /qian=temp_data/1000+0x30 ;temp_data=temp_data%1000; /bai=temp_data/100+0x30 ;temp_data=temp_data%100; /shi=temp_data/10+0x30 ;temp_data=temp_data%10; /ge=temp_data+0x30;/*void delay_nms(unsigned int k)unsigned int i,j;for(i=0;ik;i+)for(j=0;j121;j+);/*5(STC90C52RC12M),1TMCU,*/void Delay5ms()WORD n = 560;while (n-);/*5(STC90C52RC12M),1TMCU,*/void Delay5us()_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();/*/void BH1750_Start()SDA = 1; /SCL = 1; /Delay5us(); /SDA = 0; /Delay5us(); /SCL = 0; /*/void BH1750_Stop()SDA = 0; /SCL = 1; /Delay5us(); /SDA = 1; /Delay5us(); /*:ack (0:ACK 1:NAK)*/void BH1750_SendACK(bit ack)SDA = ack; /SCL = 1; /Delay5us(); /SCL = 0; /Delay5us(); /*/bit BH1750_RecvACK()SCL = 1; /Delay5us(); /CY = SDA; /SCL = 0; /Delay5us(); /return CY;/*IIC*/void BH1750_SendByte(BYTE dat)BYTE i;for (i=0; i8; i+) /8dat = 1; /SDA = CY; /SCL = 1; /Delay5us(); /SCL = 0; /Delay5us(); /BH1750_RecvACK();/*IIC*/BYTE BH1750_RecvByte()BYTE i;BYTE dat = 0;SDA = 1; /,for (i=0; i8; i+) /8dat = 1;SCL = 1; /Delay5us(); /dat |= SDA; /SCL = 0; /Delay5us(); /return dat;/*void Single_Write_BH1750(uchar REG_Address)BH1750_Start(); /BH1750_SendByte(SlaveAddress); /+BH1750_SendByte(REG_Address); / BH1750_SendByte(REG_data); /BH1750_Stop(); /*/*uchar Single_Read_BH1750(uchar REG_Address) uchar REG_data;BH1750_Start(); /BH1750_SendByte(SlaveAddress); /+BH1750_SendByte(REG_Address); /0BH1750_Start(); /BH1750_SendByte(SlaveAddress+1); /+REG_data=BH1750_RecvByte(); /BH1750_SendACK(1);BH1750_Stop(); /return REG_data;*/*/BH1750/*void Multiple_read_BH1750(void) uchar i;BH1750_Start(); /BH1750_SendByte(SlaveAddress+1); /+for (i=0; i3; i+) /2BUFBUFi = BH1750_RecvByte(); /BUF00x32if (i = 3)BH1750_SendACK(1); /NOACKelseBH1750_SendACK(0); /ACKBH1750_Stop(); /Delay5ms();/BH1750pdf*void Init_BH1750()Single_Write_BH1750(0x01);void uart_init()TMOD=0x20; /TMOD0TH1=0xf3; /12MHZ BPS4800N81,0xf3=243TL1=0xf3;PCON=0x80; /,8TR1=1; /SCON=0x40; / void uart_putchar(unsigned char dat)SBUF=dat; /sbufwhile(TI!=1);/ TI10TI=0; /TI0void uart_printf(unsigned char *buff)while(*buff)uart_putchar(*buff+);/*/*/*void main()float temp;unsigned char str5;/delay_nms(100); /100msuart_init();Init_BH1750(); /BH1750while(1) /Single_Write_BH1750(0x01); / power onSingle_Write_BH1750(0x10); / H- resolution modedelay_nms(180); /180msMultiple_Re