OPT3001光传感器程序.doc

#include OPT3001IIC.H#include Delay.h#include OPT3001.h#include SHT21.H#include Uart.huchar msb=0, lsb=0;short _data;uchar aa=0;/OPT3001寄存器写函数/registerName；寄存器地址/value: 需要往寄存器里面写的数据/ADD引脚链接到GNDvoid Opt3001WriteRegister(uchar registerName, uint value)OPT3001IIC_Start(); /起始信号 OPT3001IIC_Send_Byte(0x88); /发送设备地址+写信号aa=OPT3001IIC_Wait_Ack(); OPT3001IIC_Send_Byte(registerName); /发送存储单元地址aa=OPT3001IIC_Wait_Ack();OPT3001IIC_Send_Byte(uchar)(value 8);aa=OPT3001IIC_Wait_Ack();OPT3001IIC_Send_Byte(uchar)(value & 0x00FF);aa=OPT3001IIC_Wait_Ack();OPT3001IIC_Stop(); /停止信号/*/读出BMP085内部数据,连续两个/*short OPT3001Multiple_read(uchar ST_Address) OPT3001IIC_Start(); /起始信号 OPT3001IIC_Send_Byte(0x88); /发送设备地址+写信号aa=OPT3001IIC_Wait_Ack(); OPT3001IIC_Send_Byte(ST_Address); /发送存储单元地址aa=OPT3001IIC_Wait_Ack();OPT3001IIC_Stop(); /停止信号OPT3001IIC_Start(); /起始信号 OPT3001IIC_Send_Byte(0x89); /发送设备地址+读信号aa=OPT3001IIC_Wait_Ack(); msb =OPT3001IIC_Read_Byte(ACK); /BUF0存储 lsb =OPT3001IIC_Read_Byte(NACK); OPT3001IIC_Stop(); /停止信号 Delayms(5); _data = msb 8;_data |= lsb;return _data;/获取OPT3001的出厂编号默认值读出来应该是0x5449uint GetOPT3001ManufacturerID()uint IDNum=0;IDNum=OPT3001Multiple_read(MANUFACTURER_ID); /读取return IDNum;/获取OPT3001的设备ID 初始值为0x3001uint GetOPT3001DeviceID() uint IDNum=0;IDNum=OPT3001Multiple_read(DEVICE_ID); /读取return IDNum;/OPT3001初始化函数 /返回值：0为初始化成功/ 1为初始化失败uchar OPT3001Init()uint ManufacturerIDNum=0;uint DeviceIDNum=0;OPT3001IIC_Init(); /OPT3001端口初始化OPT3001Config(); /配置OPT3001 并且唤醒OPT3001Delayms(5);ManufacturerIDNum=GetOPT3001ManufacturerID();DELAYUS(100);DeviceIDNum=GetOPT3001DeviceID();if(ManufacturerIDNum=0x5449&DeviceIDNum=0x3001) /如果读出来的ID都正确表示初始化成功return 0;else /否则初始化不成功return 1;/OPT3001寄存器配置/12-15位 RN0,3:0x1100,设置为Full-Scale Mode/9-10：M0,1:0x10,设置OPT3001为连续转换模式/4bit: Latch=1,其他位初始化为00即可void OPT3001Config()Opt3001WriteRegister(0x01, 0xc410);/获取光强度 得到的是放大100后的值 占4个字节unsigned long GetLuxValue()uchar MSB=0,LSB=0;unsigned long Result=0;unsigned long Result1=0