#include
#include

#define?uchar?unsigned?char
#define?uint?unsigned?int
#define?LCD?P0??????????????????????????????????//命令或數(shù)據(jù)線
sbit?PM2_5?=?P2^1;??/*PM2.5模塊PWM輸入口*/
sbit?busy=P0^7;?????????????????????????????????//?“忙“標志位??????
uint?LowPulseTime_30s?=?0;?/*30秒內(nèi)低電平的時間單位為ms*/
uint?LowPulseTime_3s?=?0;?/*3秒內(nèi)低電平的時間單位為ms*/
uint?TotalTime_3s?=?0;/*總時間3秒計數(shù)器*/
uint?TotalTime_30s?=?0;/*總時間30秒計數(shù)器*/

uint?LowperTotal?=?0;?/*30秒內(nèi)的低脈沖率，就是30秒內(nèi)的低脈沖時間除以30秒的總時間范圍為5%~25%*/
uint?Concen?=?0;/*濃度值，整數(shù)*/

uint?pulseTime[10]?=?{0};??/*每隔3秒的低電平時間數(shù)組，10項剛好就是30秒*/
uchar?Index?=?0;?/*上述數(shù)組的索引*/
bit?bFreshDis?=?0;?/*顯示值刷新標志位，每隔3秒刷新一次顯示*/
bit?bStartDis?=?0;?/*開始顯示濃度值標志位，因為上電后要等30秒的預(yù)熱時間才能計算濃度值*/
#define?INT_CLOCK?1?/*INT_CLOCK為定時值，單位為ms?此處定義為1ms*/
#define?CRY_FREQUENCY?11

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-04-14?09:37??PM2.5\
?????目錄???????????0??2017-04-14?09:36??PM2.5\MMMM\
?????文件??????455215??2015-05-10?14:38??PM2.5\MMMM\DSM501.pdf
?????文件??????863232??2015-08-23?23:26??PM2.5\MMMM\PM2.5仿真.ppt
?????文件??????215459??2015-08-21?21:21??PM2.5\MMMM\PM2.5仿真操作說明.pdf
?????文件???????10752??2015-08-23?00:57??PM2.5\MMMM\元件清單.xls
?????文件???????39936??2015-08-23?00:38??PM2.5\MMMM\程序.doc
?????文件??????448016??2015-08-22?23:39??PM2.5\MMMM\程序講解.pdf
?????文件??????109848??2015-08-22?23:46??PM2.5\MMMM\設(shè)計思路.pdf
?????文件?????2417152??2015-08-23?00:52??PM2.5\MMMM\軟件流程圖.doc
?????目錄???????????0??2017-04-14?13:48??PM2.5\程序\
?????文件??????190506??2017-04-14?11:40??PM2.5\程序\Last?Loaded?PM2_5.DBK
?????文件??????159529??2015-05-10?14:58??PM2.5\程序\Last?Loaded?人數(shù)統(tǒng)計.DBK
?????文件???????21605??2017-04-14?11:12??PM2.5\程序\PM2.5
?????文件?????????188??2017-04-14?13:31??PM2.5\程序\PM2.5.plg
?????文件???????55312??2017-04-14?11:40??PM2.5\程序\PM2.5.uvopt
?????文件???????13415??2017-04-14?00:05??PM2.5\程序\PM2.5.uvproj
?????文件???????55312??2017-04-14?11:18??PM2.5\程序\PM2.5_uvopt.bak
?????文件???????13414??2015-06-28?00:46??PM2.5\程序\PM2.5_uvproj.bak
?????文件???????29221??2017-04-14?11:12??PM2.5\程序\PM2.M51
?????文件????????4317??2017-04-14?11:12??PM2.5\程序\PM2.hex
?????文件??????????42??2017-04-14?11:12??PM2.5\程序\PM2.lnp
?????文件??????189543??2017-04-14?13:48??PM2.5\程序\PM2_5.DSN
?????文件????????1078??2017-04-14?13:48??PM2.5\程序\PM2_5.PWI
?????文件????????6376??2005-03-22?15:22??PM2.5\程序\STARTUP.A51
?????文件???????14051??2017-04-14?11:12??PM2.5\程序\STARTUP.LST
?????文件?????????749??2017-04-14?11:12??PM2.5\程序\STARTUP.OBJ
?????文件???????27367??2017-04-14?11:12??PM2.5\程序\main.LST
?????文件???????24276??2017-04-14?11:12??PM2.5\程序\main.OBJ
?????文件???????15256??2017-04-14?11:18??PM2.5\程序\main.c