/*------------------------------------------------------------------*/
/*?---?STC?MCU?International?Limited?-------------------------------*/
/*?---?STC?1T?Series?MCU?A/D?Conversion?Demo?-----------------------*/
/*------------------------------------------------------------------*/

//#include?“reg51.h“
#include?“intrins.h“

#define?FOSC????18432000L
#define?BAUD????9600

typedef?unsigned?char?BYTE;
typedef?unsigned?int?WORD;

/*Declare?SFR?associated?with?the?ADC?*/
//sfr?ADC_CONTR???=???0xBC;???????????//ADC?control?register
//sfr?ADC_RES?????=???0xBD;???????????//ADC?high?8-bit?result?register
sfr?ADC_LOW2????=???0xBE;???????????//ADC?low?2-bit?result?register
//sfr?P1ASF???????=???0x9D;???????????//P1?secondary?function?control?register

/*Define?ADC?operation?const?for?ADC_CONTR*/
#define?ADC_POWER???0x80????????????//ADC?power?control?bit
#define?ADC_FLAG????0x10????????????//ADC?complete?flag
#define?ADC_START???0x08????????????//ADC?start?control?bit
#define?ADC_SPEEDLL?0x00????????????//420?clocks
#define?ADC_SPEEDL??0x20????????????//280?clocks
#define?ADC_SPEEDH??0x40????????????//140?clocks
#define?ADC_SPEEDHH?0x60????????????//70?clocks

void?InitUart（）;
void?InitADC（）;
void?SendData（BYTE?dat）;
BYTE?GetADCResult（BYTE?ch）;
void?Delay（WORD?n）;
void?ShowResult（BYTE?ch）;


/*----------------------------
Send?ADC?result?to?UART
----------------------------*/
void?ShowResult（BYTE?ch）
{
????SendData（ch）;???????????????????//Show?Channel?NO.
????SendData（GetADCResult（ch））;?????//Show?ADC?high?8-bit?result

//if?you?want?show?10-bit?result?uncomment?next?line
//????SendData（ADC_LOW2）;?????????????//Show?ADC?low?2-bit?result
}

/*----------------------------
Get?ADC?result
----------------------------*/
BYTE?GetADCResult（BYTE?ch）
{
????ADC_CONTR?=?ADC_POWER?|?ADC_SPEEDLL?|?ch?|?ADC_START;
????_nop_（）;????????????????????????//Must?wait?before?inquiry
????_nop_（）;
????_nop_（）;
????_nop_（）;
????while?（!（ADC_CONTR?&?ADC_FLAG））;//Wait?complete?flag
????ADC_CONTR?&=?~ADC_FLAG;?????????//Close?ADC

????return?ADC_RES;?????????????????//Return?ADC?result
}

/*----------------------------
Initial?UART
----------------------------*/
void?InitUart（）
{
????SCON?=?0x5a;????????????????????//8?bit?data?no?parity?bit
????TMOD?=?0x20;????????????????????//T1?as?8-bit?auto?reload
????TH1?=?TL1?=?-（FOSC/12/32/BAUD）;?//Set?Uart?baudrate
????TR1?=?1;????????????????????????//T1?start?running
}

/*----------------------------
Initial?ADC?sfr
----------------------------*/
void?InitADC（）
{
????//P1ASF?=?0xff;???????????????????//Open?8?channels?ADC?function
????ADC_RES?=?0;????????????????????//Clear?previous?result
????ADC_CONTR?=?ADC_POWER?|?ADC_SPEEDLL;
????Delay（2）;???????????????????????//ADC?power-on?and?delay
}

/*----------------------------
Send?one?byte?data?to?PC
Input:?dat?（UART?data）
Output:-
----------------------------*/
void?SendData（BYTE?dat）
{
????whi

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

?????文件???????5319??2011-03-13?09:29??光立方Keil?C51音樂頻譜FFT處理源代碼\FFT.i

?????文件??????92240??2011-03-13?09:29??光立方Keil?C51音樂頻譜FFT處理源代碼\FFT.lst

?????文件??????37720??2011-04-25?20:57??光立方Keil?C51音樂頻譜FFT處理源代碼\Hex\Prj

?????文件??????14052??2011-04-25?20:57??光立方Keil?C51音樂頻譜FFT處理源代碼\Hex\Prj.hex

?????文件????????123??2011-04-25?20:57??光立方Keil?C51音樂頻譜FFT處理源代碼\Hex\Prj.lnp

?????文件??????39585??2011-04-25?20:57??光立方Keil?C51音樂頻譜FFT處理源代碼\Hex\prj.obj

?????文件????????256??2011-04-25?20:57??光立方Keil?C51音樂頻譜FFT處理源代碼\Hex\Prj.ORC

?????文件????????667??2011-04-25?20:57??光立方Keil?C51音樂頻譜FFT處理源代碼\Hex\Prj.plg

?????文件????????819??2011-04-25?20:57??光立方Keil?C51音樂頻譜FFT處理源代碼\Hex\STARTUP.obj

?????文件??????21846??2011-04-25?20:57??光立方Keil?C51音樂頻譜FFT處理源代碼\prj.I

?????文件?????189490??2011-04-25?20:57??光立方Keil?C51音樂頻譜FFT處理源代碼\prj.lst

?????文件??????40306??2011-04-25?20:57??光立方Keil?C51音樂頻譜FFT處理源代碼\Prj.m51

?????文件???????7272??2011-01-04?16:18??光立方Keil?C51音樂頻譜FFT處理源代碼\Prj.plg

?????文件??????63473??2011-04-25?21:49??光立方Keil?C51音樂頻譜FFT處理源代碼\Prj.uvopt

?????文件??????13404??2011-03-26?07:59??光立方Keil?C51音樂頻譜FFT處理源代碼\Prj.uvproj

?????文件??????63513??2011-04-19?07:34??光立方Keil?C51音樂頻譜FFT處理源代碼\Prj_uvopt.bak

?????文件??????13404??2011-03-23?11:44??光立方Keil?C51音樂頻譜FFT處理源代碼\Prj_uvproj.bak

?????文件????????100??2011-03-13?16:00??光立方Keil?C51音樂頻譜FFT處理源代碼\SerilPort?ADC.i

?????文件????????706??2011-03-13?16:00??光立方Keil?C51音樂頻譜FFT處理源代碼\SerilPort?ADC.lst

?????文件???????3826??2011-03-13?09:29??光立方Keil?C51音樂頻譜FFT處理源代碼\ShowSpectrum.i

?????文件??????17332??2011-03-13?09:29??光立方Keil?C51音樂頻譜FFT處理源代碼\ShowSpectrum.lst

?????文件???????3386??2011-04-02?16:33??光立方Keil?C51音樂頻譜FFT處理源代碼\src\ADC.c

?????文件????????568??2011-04-18?20:25??光立方Keil?C51音樂頻譜FFT處理源代碼\src\Define.h

?????文件???????4056??2011-04-02?16:32??光立方Keil?C51音樂頻譜FFT處理源代碼\src\fft.h

?????文件???????1209??2011-04-02?16:33??光立方Keil?C51音樂頻譜FFT處理源代碼\src\Font.c

?????文件???????5321??2011-04-18?19:47??光立方Keil?C51音樂頻譜FFT處理源代碼\src\prj.c

?????文件???????6376??2009-05-07?14:37??光立方Keil?C51音樂頻譜FFT處理源代碼\src\STARTUP.A51

?????文件??????46005??2011-04-02?16:33??光立方Keil?C51音樂頻譜FFT處理源代碼\src\STC12C5A.h

?????文件??????14411??2011-04-25?20:57??光立方Keil?C51音樂頻譜FFT處理源代碼\STARTUP.LST

?????目錄??????????0??2011-10-31?14:30??光立方Keil?C51音樂頻譜FFT處理源代碼\Hex

............此處省略5個文件信息