/**********************BST-M51實驗開發(fā)板例程************************
*??平臺：BST-M51?+?Keil?U4?+?STC89C52
*??名稱：AD串口讀取實驗
*??公司：深圳市亞博軟件開發(fā)有限公司???????
*??日期：2015-6
*??晶振:11.0592MHZ
******************************************************************/
#include????//包含單片機寄存器的頭文件
#include??

#define??AddWr?0x90????//PCF8591?地址

//?變量定義
unsigned?char?AD_CHANNEL=0;
unsigned?char??D[32];
unsigned?char?code?table[10]={0xC00x790x240x300x190x120x020x780x000x10};???//共陽極數(shù)碼管0~9顯示的數(shù)值表
unsigned?int?data?dis[3]={0x000x000x00};??//用以計算存儲輸出電壓的3元素數(shù)組

sbit?scl=P2^0;???????//I2C??時鐘?
sbit?sda=P2^1;???????//I2C??數(shù)據(jù)?
bit?ack;?????????????????/*應(yīng)答標(biāo)志位*/
sbit?C1=P2^6;//數(shù)碼管位選
sbit?C2=P2^7;//數(shù)碼管位選
sbit?Dp=P2^5;//小數(shù)點

unsigned?char?date;

/*********************************

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

?????文件???????6376??2009-05-07?14:37??project\STARTUP.A51

?????文件??????14050??2018-11-05?16:26??project\STARTUP.LST

?????文件????????749??2018-11-05?16:26??project\STARTUP.OBJ

?????文件????1121295??2018-11-27?16:14??project\錄屏.mp4

?????文件??????12462??2018-11-05?16:26??project\數(shù)字電壓表

?????文件???????9081??2018-11-03?20:09??project\數(shù)字電壓表.c

?????文件???????2171??2018-11-05?16:26??project\數(shù)字電壓表.hex

?????文件?????????53??2018-11-05?16:26??project\數(shù)字電壓表.lnp

?????文件????????731??2018-11-05?16:26??project\數(shù)字電壓表.LST

?????文件??????17134??2018-11-05?16:26??project\數(shù)字電壓表.M51

?????文件??????13203??2018-11-05?16:26??project\數(shù)字電壓表.OBJ

?????文件????????186??2018-11-27?18:26??project\數(shù)字電壓表.plg

????.......?????55690??2018-11-27?16:26??project\數(shù)字電壓表.uvopt

?????文件??????13429??2018-11-03?20:11??project\數(shù)字電壓表.uvproj

????.......?????55690??2018-11-05?16:26??project\數(shù)字電壓表_uvopt.bak

?????文件??????????0??2018-11-03?19:56??project\數(shù)字電壓表_uvproj.bak

?????文件??????61502??2018-11-27?16:03??project\電路圖.BMP

?????目錄??????????0??2018-11-27?18:26??project

-----------?---------??----------?-----??----

??????????????1383802????????????????????18