便携式简易心电信号采集系统的设计

便携式简易心电信号采集系统的设计DesignOfPortableAndSimpleECGSignalAcquisitionSystem学I附录程序部分：1.STC15F2K6OS2单片机的SPI口初始化代码如下:**

Description;

SPI初始化****Parameters:

vold

****Returns:

void

**

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

#void

SPI_

Init(void)

{SPDAT=0;//初始化SPI板据

SPSTAT=

SPIFI

WCOL;

//清除SPI状态位AUXRI

=0x04;

//

SPI在P2口SPCTL

=

SSIGISPEN

|

MSTRI|0xD1

|

CPHA;

//主机模式SPI_

CS_H;}通过SPI口发送数据和接收数据的代码如下:

Description:

SPI发送和读取数据

Parameters:

dateSend:需要发送的数据Returns:返回读取的数据unsigned

charSPI_Swap(unsigned

char

dateSend){SPI_

CS

L;

//拉低从机的SSSPDAT

=

dateSend;

//触发SPI发送数据while(!(SPSTAT&SPIF);

//等待发送完成SPSTAT=SPIFI

wCOL;

//储除SPI状态位SPI

CS_H;

//拉高从机的SSreturn

SPDAT;//返回SPI数据}2、AD8232初始化过程的程序如下：/***************************************************************/

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

signal

1:Normal

electrode

input

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

void

AD8232xint(unsigned

char

mode){

AD8232x_

START

=0;//START引脚置低AD8232x

SYSCLK

SEL

=

1;//外部时钟Delay_

MS();

//延时，等待时钟稳定AD8232xRESETN=

0;Delay_

MS(10);//延时AD8232x_

RESETN=

1;Delay_

MS(1000);

//延时IS

Delay_

MS(1

);

//等特至少18个时钟周期

SendADS1

29xCommand(CMD.

SDATAC);

//发送停止转换命令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,0xEë);

//CH1,CH2

WriteAD8232xReg(CMD_

WREGI

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

conversion

mode*/

ReadADxReg(CMD_

RREG,12);//

read

and

print

all

reg

AD8232x_

START=1;//START下引脚置为高电平

SendAD8232xCommand(CMD_

SDATAC);

//开始转换蓝牙的数据接收及处理的程序如下：temp_read[i]=DefaultData.mBluetoothInputstream.read();/*蓝牙的数据接收及处理*/publicvoidbluetoothSendData(Stringstring);//发送蓝牙数据{bytebytes[]=string.getBytes();System.out.println(newString(bytes));Try{DefaultData.mBLuetooth