/*****************************************
*?基于AVR單片機GY-30模塊通信程序?		?*
*?功????能：IIC通信讀取數據并顯示????????*
*?時鐘頻率：內部11.0592M?						?*
*?設????計：廣運電子					?*
*?修改日期：2011年4月20日				?*
*?編譯環境：ICC-AVR7.14					?*
*?實驗環境：ATmega16+1602????			?*
*?使用端口：PC0PC1PC6PC7PA4~PA7?	?*
*?參????考：莫錦攀實驗程序24c02讀取實驗??*
*****************************************/
#include?
#include?“I2C.h“
#include?“1602.h“
#include?“delay.h“
void?conversion（unsigned?int?i）;
unsigned?char?display[9]={00000‘?‘‘l‘‘u‘‘x‘};//顯示數據

/*********************************************
數據轉換十六進制數據轉換成10進制
輸入十六進制范圍：0x0000-0x270f（0-9999）
結果分成個十百千位，以ascii存入顯示區
**********************************************/
void?conversion（unsigned?int?i）??
{??
???	display[0]=i/10000+0x30?;
????i=i%10000;????//取余運算
	display[1]=i/1000+0x30?;
????i=i%1000;????//取余運算
????display[2]=i/100+0x30?;
????i=i%100;????//取余運算
????display[3]=i/10+0x30?;
????i=i%10;?????//取余運算
????display[4]=i+0x30;??
}
/*******************************
主程序
*******************************/
void?main（void）
{	
	unsigned?char?i;
	float??lux_data;???????????????????//光數據???
	?
	?delay_nms（10）;????????????????????//lcd上電延時
	?LCD_init（）;???????????????????????//lcd初始化
?????i=I2C_Write（0x01）;????????????????//BH1750?初始化????????????
	?delay_nms（10）;??????????
	while（1）{??????????????????????????//循環???
	?i=I2C_Write（0x01）;????????????????//power?on
	?i=I2C_Write（0x10）;????????????????//H-?resolution?mode
	?TWCR=0;???????????????????????????//釋放引腳
?????delay_nms（180）;???????????????????//大約180ms
	???if（i==0）{
	?????lux_data=I2C_Read（）;??????????//從iic總線讀取數值	
		?lux_data=（float）lux_data/1.2;?//pdf文檔第7頁
	?????conversion（lux_data）;?????????//數據轉換出個，十，百，千?位???????
		?LCD_write_string（70display）;//顯示數值，從第9列開始???
	???}??

????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????4241??2011-05-20?23:27??GY-302\測試程序\AVRMEGA16\AVR\1602.h

?????文件???????4288??2011-04-21?21:14??GY-302\測試程序\AVRMEGA16\AVR\1602._h

?????文件???????2011??2011-05-20?23:26??GY-302\測試程序\AVRMEGA16\AVR\AVR_GY-30.c

?????文件???????7032??2011-05-20?23:27??GY-302\測試程序\AVRMEGA16\AVR\AVR_GY-30.cof

?????文件???????3837??2011-05-20?23:27??GY-302\測試程序\AVRMEGA16\AVR\AVR_GY-30.dbg

?????文件????????192??2011-05-20?23:27??GY-302\測試程序\AVRMEGA16\AVR\AVR_GY-30.dp2

?????文件???????5035??2011-05-20?23:27??GY-302\測試程序\AVRMEGA16\AVR\AVR_GY-30.hex

?????文件??????47214??2011-05-20?23:27??GY-302\測試程序\AVRMEGA16\AVR\AVR_GY-30.lis

?????文件?????????14??2011-05-20?23:27??GY-302\測試程序\AVRMEGA16\AVR\AVR_GY-30.lk

?????文件??????41048??2011-05-20?23:27??GY-302\測試程序\AVRMEGA16\AVR\AVR_GY-30.lst

?????文件????????715??2011-05-20?23:27??GY-302\測試程序\AVRMEGA16\AVR\AVR_GY-30.mak

?????文件???????3318??2011-05-20?23:27??GY-302\測試程序\AVRMEGA16\AVR\AVR_GY-30.mp

?????文件???????9919??2011-05-20?23:27??GY-302\測試程序\AVRMEGA16\AVR\AVR_GY-30.o

?????文件???????1005??2011-05-20?23:27??GY-302\測試程序\AVRMEGA16\AVR\AVR_GY-30.prj

?????文件??????22572??2011-05-20?23:27??GY-302\測試程序\AVRMEGA16\AVR\AVR_GY-30.s

?????文件?????????70??2011-05-20?23:29??GY-302\測試程序\AVRMEGA16\AVR\AVR_GY-30.SRC

?????文件???????2174??2011-05-20?23:25??GY-302\測試程序\AVRMEGA16\AVR\AVR_GY-30._c

?????文件????????829??2011-05-20?23:21??GY-302\測試程序\AVRMEGA16\AVR\delay.h

?????文件????????835??2011-05-20?23:20??GY-302\測試程序\AVRMEGA16\AVR\delay._h

?????文件???????2554??2011-05-20?23:15??GY-302\測試程序\AVRMEGA16\AVR\i2c.h

?????文件???????2563??2011-04-29?12:04??GY-302\測試程序\AVRMEGA16\AVR\i2c._h

?????文件????????901??2011-12-21?16:05??GY-302\測試程序\BH1750_arduino_0022\Arduino_BH1750.pde

?????文件???????8550??2011-11-14?15:11??GY-302\測試程序\C8051F340\c8051f340_BH1750.c

?????文件???????5115??2002-04-16?22:32??GY-302\測試程序\STC51\STC_BH1750\STARTUP.A51

?????文件??????11666??2011-05-20?22:50??GY-302\測試程序\STC51\STC_BH1750\STARTUP.LST

?????文件????????749??2011-05-20?22:50??GY-302\測試程序\STC51\STC_BH1750\STARTUP.OBJ

?????文件??????15665??2011-05-20?22:50??GY-302\測試程序\STC51\STC_BH1750\STC51_BH1750

?????文件???????3425??2011-05-20?22:50??GY-302\測試程序\STC51\STC_BH1750\STC51_BH1750.hex

?????文件?????????55??2011-05-20?22:50??GY-302\測試程序\STC51\STC_BH1750\STC51_BH1750.lnp

?????文件??????20268??2011-05-20?22:50??GY-302\測試程序\STC51\STC_BH1750\STC51_BH1750.M51

............此處省略227個文件信息