//**********數控穩壓電源***********//
//**********************************
//**文件名：DataRead.c
//**作??者：侯玲林
//**日??期：2011-05-10
//**最后修改日期：2011-05-14
//**描??述：與電壓和電流的測量有關，分別
//??????????讀取輸出電壓和電流的信息并將之
//??????????轉換為實際輸出值。
//***********************************

#include?“DataRead.h“



//****************************************
//**輸入：空
//**描述：讀取抽樣電壓值并按比例將之轉化為
//????????實際輸出電壓
//
//**輸出：輸出的實際電壓值
//****************************************

float?_Voltage_DataRead（void）
{
	uchar?ij;
	uint?TEMP?=?0;
	float?TEMP2;

	LTC1860_CONV1?=?0;
	LTC1860_SCK1?=?1;
	LTC1860_SD01?=?1;
	LTC1860_CONV1?=?1;
	for（i=0;i<18;i++）
	_nop_（）;//等待3us左右，其間AD轉換芯片進行模數轉換
	LTC1860_CONV1?=?0;
????_nop_（）;

	for（j=0;j<12;j++）
	{
	?????LTC1860_SCK1?=?0;
	?????_nop_（）;
	?????LTC1860_SCK1?=?1;
		?_nop_（）;

		?if（LTC1860_SD01）
			?TEMP?=?TEMP|1;

		?TEMP*=2;
	}

	TEMP/=2;
	LTC1860_CONV1?=?1;

????TEMP2?=0.007328*（TEMP-1）;//考慮到單片機的計算速度慢，此式已經過簡化
	?????????????????????????//??V測?=?（A/D輸出值-1）*Vref/4094
							?//??Vref/30?=?R2/（R1+R2）
							?//??實際電壓值：Vout?=?（R1/R2?+?1）*V測??（Vref為A/D的參考電壓，R2為電壓采樣電阻）
	return（TEMP2）;
}
//***?END?****



//****************************************
//**輸入：空
//**描述：讀取抽樣電壓值并將之轉化為電流值
//????????
//**輸出：輸出的實際電壓值
//****************************************
?
float?_Current_DataRead（void）
{
	uchar?ij;
	uint?TEMP?=?0;
	float?TEMP2;

	LTC1860_CONV2?=?0;
	LTC1860_SCK2?=?1;
	LTC1860_SD02?=?1;
	LTC1860_CONV2?=?1;
	for（i=0;i<18;i++）
	_nop_（）;//等待3us左右，其間AD轉換芯片進行模數轉換
	LTC1860_CONV2?=?0;
????_nop_（）;

	for（j=0;j<12;j++）
	{
	?????LTC1860_SCK2?=?0;
	?????_nop_（）;
	?????LTC1860_SCK2?=?1;
		?_nop_（）;

		?if（LTC1860_SD02）
			?TEMP?=?TEMP|1;

		?TEMP*=2;
	}

	TEMP/=2;
	LTC1860_CONV2?=?1;
????TEMP2?=?0.000611*（TEMP-1）;//考慮到單片機的計算速度慢，此式已經過簡化
	?????????????????????????//??V測?=?（A/D輸出值-1）*Vref/4094??
							?//??實際電流值：I?=?V測/R??（Vref為A/D的參考電壓，R為采樣電阻）

	return（TEMP2）;
}

//***?END?****??

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

?????文件???????2257??2011-05-17?13:18??數控電壓源20110517\keilC51_files\C51_files\ADC\DataRead.c

?????文件????????492??2011-05-14?18:14??數控電壓源20110517\keilC51_files\C51_files\ADC\DataRead.h

?????文件???????1323??2011-07-09?17:13??數控電壓源20110517\keilC51_files\C51_files\App\App.c

?????文件???????6040??2011-05-17?17:20??數控電壓源20110517\keilC51_files\C51_files\App\Function.c

?????文件????????365??2011-05-16?20:09??數控電壓源20110517\keilC51_files\C51_files\App\Function.h

?????文件????????505??2011-07-09?17:10??數控電壓源20110517\keilC51_files\C51_files\App\Includes.h

?????文件???????1138??2011-05-17?13:19??數控電壓源20110517\keilC51_files\C51_files\App\Reminder.c

?????文件????????324??2011-05-17?13:21??數控電壓源20110517\keilC51_files\C51_files\App\Reminder.h

?????文件????????901??2011-05-17?13:18??數控電壓源20110517\keilC51_files\C51_files\DAC\DataWrite.c

?????文件????????376??2011-05-17?13:22??數控電壓源20110517\keilC51_files\C51_files\DAC\DataWrite.h

?????文件???????6748??2011-05-17?13:17??數控電壓源20110517\keilC51_files\C51_files\Display\Display.c

?????文件????????692??2011-11-09?20:33??數控電壓源20110517\keilC51_files\C51_files\Display\Display.h

?????文件???????2558??2011-07-09?17:10??數控電壓源20110517\keilC51_files\C51_files\Key\Key.c

?????文件????????376??2011-05-17?13:24??數控電壓源20110517\keilC51_files\C51_files\Key\Key.h

?????文件??????18363??2011-07-12?16:45??數控電壓源20110517\keilC51_files\Uv2_files\12power

?????文件??????10972??2011-07-12?16:45??數控電壓源20110517\keilC51_files\Uv2_files\12power.hex

?????文件????????153??2011-07-12?16:45??數控電壓源20110517\keilC51_files\Uv2_files\12power.lnp

?????文件??????56257??2011-07-12?16:45??數控電壓源20110517\keilC51_files\Uv2_files\12power.M51

?????文件???????2199??2011-10-26?22:09??數控電壓源20110517\keilC51_files\Uv2_files\12power.Opt

?????文件????????205??2011-10-26?22:08??數控電壓源20110517\keilC51_files\Uv2_files\12power.plg

?????文件???????2409??2011-10-24?12:46??數控電壓源20110517\keilC51_files\Uv2_files\12power.Uv2

?????文件???????2212??2011-10-24?12:46??數控電壓源20110517\keilC51_files\Uv2_files\12power_Opt.Bak

?????文件???????1971??2011-07-07?16:14??數控電壓源20110517\keilC51_files\Uv2_files\12power_Uv2.Bak

?????文件???????2996??2011-07-12?16:45??數控電壓源20110517\keilC51_files\Uv2_files\App.lst

?????文件???????2549??2011-07-12?16:45??數控電壓源20110517\keilC51_files\Uv2_files\App.obj

?????文件?????????78??2011-07-12?16:45??數控電壓源20110517\keilC51_files\Uv2_files\App.__i

?????文件???????4850??2011-07-09?17:10??數控電壓源20110517\keilC51_files\Uv2_files\DataRead.lst

?????文件???????2228??2011-07-09?17:10??數控電壓源20110517\keilC51_files\Uv2_files\DataRead.obj

?????文件???????2674??2011-07-09?17:10??數控電壓源20110517\keilC51_files\Uv2_files\DataWrite.lst

?????文件???????1577??2011-07-09?17:10??數控電壓源20110517\keilC51_files\Uv2_files\DataWrite.obj

............此處省略36個文件信息