#include?
#include?
#include?
#include?
#include?
#include?“main.h“
#include?“MCU_IO.H“
#include?“ad7730.h“
void?writetoreg（uchar?byteword）
{
	unsigned?char?temp;
	int?i;
	AD7730_CS=0;
	temp=0x80;
	for（i=0;i<8;i++）
	{
??????	SCLOCK=0;
		if（（temp&byteword）==0）
??????	AD7730_DIN=0;
?		else?AD7730_DIN=1;
??????	SCLOCK=1;
		_nop_（）;
		_nop_（）;
		_nop_（）;
		_nop_（）;
?		temp=temp>>1;
	}

}

void?Ad7730_Ini（void）
{
?	int?tim;
?	tim=200;
	RESET=0;
	while（tim--）;
	RESET=1;
	SCLOCK=1;
	AD7730_DIN=1;
	AD7730_DOUT=1;
	AD7730_CS=1;
	DRDY=1;
	tim=200;
	while（tim--）;//至少保持AD7730_DIN=1為32個串行時鐘周期
	writetoreg（0x03）;//?Writes?to?Communications?Register?Setting?Next?Operation?as?Write?to????Filter?Register
????writetoreg（0x06）;//?SF:12BIT，輸出速率：F_clk/16/3（=102400）/SF=1024	SF=0X64
??	writetoreg（0x40）;//高位SF?，用內部濾波器
????writetoreg（0x10）;//?Writes?to?Filter?Register?Setting?Output?Rate?in?CHOP?Mode
	writetoreg（0x04）;//?Writes?to?Communications?Register?Setting?Next?Operation?as?Write?to????DAC?Register
	writetoreg（0x00）;?//plus?5mv
	writetoreg（0x02）;?//?Writes?to?Communications?Register?Setting?Next?Operation?as?Write?to??Mode?Register
	writetoreg（0xb1）;?//Internal?Full-Scale?Calibration雙極性輸入24位
	writetoreg（0x00）;?//參考電壓為2.5V，輸入范圍為-10mV～10mV?
????while（DRDY）;//?Wait?for?RDY?pin?to?go?low?to?indicate?end?of?calibration?cycle
	writetoreg（0x02）;//?Writes?to?Communications?Register?Setting?Next?Operation?as?Write?to	?Mode?Register
	writetoreg（0x91）;?//內部零刻度校準，雙極性輸入24位
	writetoreg（0x00）;?//參考電壓為2.5V，輸入范圍為-10mV～10mV?
????while（DRDY）;//?Wait?for?RDY?pin?to?go?low?to?indicate?end?of?calibration?cycle
????writetoreg（0x02）;?//?Writes?to?Communications?Register?Setting?Next?Operation?as?Write?to???Mode?Register
	writetoreg（0x31）;?//連續的轉換模式，雙極性輸入24位
	writetoreg（0x00）;?//參考電壓為2.5V，輸入范圍為-10mV～10mV?
????while（DRDY）;//?Wait?for?RDY?pin?to?go?low?to?indicate?end?of?calibration?cycle
}
void?sys_int（void）
{
	SCON??=?0x40;??????????????????????/*?mode?1:?8-bit?UART?10位異步收發由定時器控制禁止串口接收*/
???/*串口控制寄存器SCON
	?----------------------------------------
	|D7??|D6??|D5??|D4??|D3??|D2??|D1??|D0??|
	|SM0?|SM1?|SM2?|REN?|TB8?|RB8?|TI??|RI??|
	|0????1????0????1????0????0????0????0???|		
	?------------------------------------	??
	
	－－－－－－－－－－－－－－－－－－－－－－－－－－－－－
	|SM0??SM1???工作方式?????說明		??波特率??????????????|
	|0????0???????0???????同步移位寄存器??????fosc/12	??????|
	|0????1???????1???????10位異步收發????????由定時器控制????|
	|1????0???????2???????11位異步收發????????fosc/32或fosc/64|
	|1????1???????3???????11位異步收發????????由定時器控制????|
	----------------------------------------------------------
	SM2:多機通訊控制位（方式2，3）SM2＝1只有接收到第9位（RB8）為1，RI才置位，SM2=0接收到字符RI就置位
	REN:串行口接收允許位，REN=1允許串行口接收，REN=0禁止串行口接收
	*/
	
	//PCON=0;//SMOD（PCON.7）=0波特率為振蕩頻率的1/64且與T1有關
??	TMOD?|=?0x21;?/*?定時器0方式1：16計數器
??				??timer?1?mode?2:?自動裝入的8位定時器/計數器?用于產生串口波特率*/
??	/*
	?-----------------------------------
	|

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

?????目錄??????????0??2009-07-11?21:57??AD7730_115200

?????文件????????438??2009-06-23?14:42??AD7730_115200\ad7730.h

?????文件???????2410??2009-07-11?22:04??AD7730_115200\AD_serial.hex

?????文件?????????58??2009-07-11?22:04??AD7730_115200\AD_serial.lnp

?????文件??????13990??2009-07-11?22:04??AD7730_115200\AD_serial.M51

?????文件????????401??2009-07-11?22:04??AD7730_115200\AD_serial.plg

?????文件????????126??2008-02-16?10:39??AD7730_115200\LCD.H

?????文件???????6011??2009-07-11?22:04??AD7730_115200\main.c

?????文件????????697??2009-06-25?21:23??AD7730_115200\MAIN.H

?????文件????????309??2008-03-30?19:38??AD7730_115200\MCU_IO.H

?????文件????????315??2009-07-11?22:04??AD7730_115200\uart.c

?????文件??????34854??2009-07-04?18:45??AD7730_115200\uart.h

?????文件???????2210??2009-07-23?23:44??AD7730_115200\AD_serial_Uv2.Bak

?????文件???????2210??2009-07-04?18:31??AD7730_115200\AD_serial.Uv2

?????文件??????11682??2009-07-11?22:04??AD7730_115200\main.LST

?????文件??????12228??2009-07-11?22:04??AD7730_115200\main.OBJ

?????文件???????1390??2009-07-11?22:04??AD7730_115200\uart.LST

?????文件???????3475??2009-07-11?22:04??AD7730_115200\uart.OBJ

?????文件??????13904??2009-07-11?22:04??AD7730_115200\AD_serial

????.......??????2674??2009-07-11?21:56??AD7730_115200\AD_serial_Opt.Bak

?????文件???????2665??2009-07-11?22:04??AD7730_115200\AD_serial.Opt

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

???????????????112047????????????????????21