便攜式簡易心電信號采集系統(tǒng)的設(shè)計

便攜式簡易心電信號采集系統(tǒng)的設(shè)計DesignOfPortableAndSimpleECGSignalAcquisitionSystem學(xué)I附錄程序部分：1.STC15F2K6OS2單片機的SPI口初始化代碼如下:**

Description;

SPI初始化****Parameters:

vold

****Returns:

void

**

*******************************************

#void

SPI_

Init(void)

{SPDAT=0;//初始化SPI板據(jù)

SPSTAT=

SPIFI

WCOL;

//清除SPI狀態(tài)位AUXRI

=0x04;

//

SPI在P2口SPCTL

=

SSIGISPEN

|

MSTRI|0xD1

|

CPHA;

//主機模式SPI_

CS_H;}通過SPI口發(fā)送數(shù)據(jù)和接收數(shù)據(jù)的代碼如下:

Description:

SPI發(fā)送和讀取數(shù)據(jù)

Parameters:

dateSend:需要發(fā)送的數(shù)據(jù)Returns:返回讀取的數(shù)據(jù)unsigned

charSPI_Swap(unsigned

char

dateSend){SPI_

CS

L;

//拉低從機的SSSPDAT

=

dateSend;

//觸發(fā)SPI發(fā)送數(shù)據(jù)while(!(SPSTAT&SPIF);

//等待發(fā)送完成SPSTAT=SPIFI

wCOL;

//儲除SPI狀態(tài)位SPI

CS_H;

//拉高從機的SSreturn

SPDAT;//返回SPI數(shù)據(jù)}2、AD8232初始化過程的程序如下：/***************************************************************/

Description;AD8232初始化Parameters:mode:O:test

signal

1:Normal

electrode

input

Returnsvoid/*************************************************************/

void

AD8232xint(unsigned

char

mode){

AD8232x_

START

=0;//START引腳置低AD8232x

SYSCLK

SEL

=

1;//外部時鐘Delay_

MS();

//延時，等待時鐘穩(wěn)定AD8232xRESETN=

0;Delay_

MS(10);//延時AD8232x_

RESETN=

1;Delay_

MS(1000);

//延時IS

Delay_

MS(1

);

//等特至少18個時鐘周期

SendADS1

29xCommand(CMD.

SDATAC);

//發(fā)送停止轉(zhuǎn)換命令CONFIG2:

Configuration

Register2bit7:

mustbe

1

bit6:1

=

Lead-off

comparators

enabled,bit5:1

=

Reference

buffer

is

enabled,

bit1:Test

signal

On;

Bit0:Test

signal

frequency:

Square

waveat

1

Hzif(mode==0){

WriteAD8232xReg(CMD_

WREGI

CONFIG2,0xA3);//1Hz

test

signal

onWriteAD8232xReg(CMD_

WREGI

CH1SET,0x05);//

Test

signal

gain=6WriteAD8232xReg(CMD_

WREGI

CH2SET,0x05);//gain=6WriteAD8232xReg(CMD_

WREGI

RLD_

SENS,0xEF);//ch1,ch2}

else

if(mode

==1)

WriteAD8232xReg(CMD_

WREGI

CONFIG2,0xAI);//

1Hz

test

signal

off

WriteAD8232xReg(CMD_

WREGI

CH1SET,0xoo);/*CH1Normalelectrode

input,

gain=6*/WriteAdxReg(CMD_

WREGI

CH2SET,óxo0);/*CH2

Normal

electrode

input,

gain=6*/WriteAD8232xReg(CMD_

WREGI

RLD_

SENS,0xE?);

//CH1,CH2

WriteAD8232xReg(CMD_

WREGI

CONFIG1,0xO1);/*250sps,Continuous

conversion

mode*/

ReadADxReg(CMD_

RREG,12);//

read

and

print

all

reg

AD8232x_

START=1;//START下引腳置為高電平

SendAD8232xCommand(CMD_

SDATAC);

//開始轉(zhuǎn)換藍牙的數(shù)據(jù)接收及處理的程序如下：temp_read[i]=DefaultData.mBluetoothInputstream.read();/*藍牙的數(shù)據(jù)接收及處理*/publicvoidbluetoothSendData(Stringstring);//發(fā)送藍牙數(shù)據(jù){bytebytes[]=string.getBytes();System.out.println(newString(bytes));Try{DefaultData.mBLuetooth