BH1750数字光照(国外英文资料).docVIP

BH1750数字光照(国外英文资料) * * * * * * * * * # include reg5.h Include math.h / / Keil library Include stdio. H / / Keil library # include INTRINS. H # define uchar unsigned char Pound sign define uint unsigned int # define SlaveAddress 0x46 / / define the device in the IIC bus from the ADDRESS, which is modified according to the ALT ADDRESS ADDRESS / / ALT ADDRESS the ADDRESS is 0x46 when the base is ground, and the ADDRESS is 0xB8 when the power is plugged Sbit SCL P1 = ^ 0; / / IIC clock is defined Sbit SDA P1 = ^ 1; / / IIC data pins definition Typedef unsigned char BYTE; Typedef unsigned short WORD; BYTE BUF, [8]; / / receive the data cache area Uchar ge, shi, bai, qian, wan; / / display variable Int dis_data; / / variable Void delay_nms (unsigned int k); Void Init_BH1750 (void); Void conversion (uint temp_data); Void Single_Write_BH1750 (uchar REG_Address); / / a single write data Uchar Single_Read_BH1750 (uchar REG_Address); / / a single reading of internal register data Void Multiple_Read_BH1750 (); / / continuously read internal register data I dont know what Im going to do Void Delay5us (); Void Delay5ms (); Void BH1750_Start (); / / initial signal Void BH1750_Stop (); / / stop sign Void BH1750_SendACK (bit ack); / / response ACK Bit BH1750_RecvACK (); / / read an ack Void BH1750_SendByte (BYTE dat); / / IIC single byte writes BYTE BH1750_RecvByte (); / / IIC reads per byte I dont want to know / / * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Void conversion (uint temp_data) / / data transformation, 10, 100, 1000, 000 { Wan = temp_data / 10000 + 0x30; Temp_data = temp_data % 10000; / / fetch Qian = temp_data / 1000 + 0x30; Temp_data = temp_data % 1000; / / fetch Bai = temp_data / 100 + 0x30; Temp_data = temp_data % 100; / / fetch Shi = temp_data / 10 + 0x30; Temp_data = temp_data % 10; / / fetch Ge = temp_data + 0 x30; } It is the second time of the year Void delay_nms (unsigned int k) { Un