//
//????FILE:?AD524X.cpp
//??AUTHOR:?Rob?Tillaart
//?VERSION:?see?AD524X.h?file
//?PURPOSE:?I2C?digital?potentiometer?AD5241?AD5242
//????DATE:?2013-10-12
//?????URL:
//
//?Released?to?the?public?domain
//

#include?“AD524X.h“

#define?AS524X_RDAC0????0x00
#define?AS524X_RDAC1????0x80
#define?AS524X_RESET????0x40
#define?AS524X_SHUTDOWN?0x20
#define?AS524X_O1_HIGH??0x10
#define?AS524X_O2_HIGH??0x08

AD524X::AD524X（const?uint8_t?address）
{
????//?address:?0x01011xx?=?0x2C?-?0x2F
????_address?=?address;
????_lastValue[0]?=?_lastValue[1]?=?127;?//?power?on?reset?=>?mid?position
????_O1?=?_O2?=?0;
}

uint8_t?AD524X::zeroAll（）
{
????write（0?0?LOW?LOW）;
????return?write（1?0）;
}

uint8_t?AD524X::write（const?uint8_t?rdac?const?uint8_t?value）
{
????if?（rdac?>?1）?return?AS524X_ERROR;

????uint8_t?cmd?=?（rdac?==?0）???AS524X_RDAC0?:?AS524X_RDAC1;
????//?apply?the?output?lines
????cmd?=?cmd?|?_O1?|?_O2;
????_lastValue[rdac]?=?value;
????return?send（cmd?value）;
}

uint8_t?AD524X::write（const?uint8_t?rdac?const?uint8_t?value?const?uint8_t?O1?const?uint8_t?O2）
{
????if?（rdac?>?1）?return?AS524X_ERROR;

????uint8_t?cmd?=?（rdac?==?0）???AS524X_RDAC0?:?AS524X_RDAC1;
????_O1?=?（O1?==?LOW）???0?:?AS524X_O1_HIGH;
????_O2?=?（O2?==?LOW）???0?:?AS524X_O2_HIGH;
????//?apply?the?output?lines
????cmd?=?cmd?|?_O1?|?_O2;
????_lastValue[rdac]?=?value;
????return?send（cmd?value）;
}

uint8_t?AD524X::setO1（const?uint8_t?value）
{
????_O1?=?（value?==?LOW）???0?:?AS524X_O1_HIGH;
????uint8_t?cmd?=?AS524X_RDAC0?|?_O1?|?_O2;
????return?send（cmd?_lastValue[0]）;
}

uint8_t?AD524X::setO2（const?uint8_t?value）
{
????_O2?=?（value?==?LOW）???0:?AS524X_O2_HIGH;
????uint8_t?cmd?=?AS524X_RDAC0?|?_O1?|?_O2;
????return?send（cmd?_lastValue[0]）;
}

uint8_t?AD524X::getO1（）
{
????return?（_O1?>?0）;
}

uint8_t?AD524X::getO2（）
{
????return?（_O2?>?0）;
}

uint8_t?AD524X::read（const?uint8_t?rdac）
{
????return?_lastValue[rdac];
}

uint8_t?AD524X::readBackRegister（）
{
????Wire.beginTransmission（_address）;
????Wire.endTransmission（）;
????Wire.requestFrom（_address?（uint8_t）1）;
????return?Wire.read（）;
}

uint8_t?AD524X::midScaleReset（const?uint8_t?rdac）
{
????if?（rdac?>?1）?return?AS524X_ERROR;

????uint8_t?cmd?=?AS524X_RESET;
????if?（rdac?==?1）?cmd?|=?AS524X_RDAC1;
????cmd?=?cmd?|?_O1?|?_O2;
????_lastValue[rdac]?=?127;
????return?send（cmd?_lastValue[rdac]）;
}

//?TODO?read?datasheet
//?uint8_t?AD524X::shutDown（）
//?{
//??uint8_t?cmd?=?AS524X_SHUTDOWN;
//??sendCommand（cmd?0）
//?}

//////////////////////////////////////////////////////////
//
//?PRIVATE
//
uint8_t?AD524X::send（const?uint8_t?cmd?const?uint8_t?value）
{
????Wire.beginTransmission（_address）;
????Wire.write（cmd）;
????Wire.write（value）;
????return?Wire.endTransmission（）;
}

//?--?END?OF?FILE?--

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

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????.......??????1074??2018-09-02?07:26??LICENSE.md

????.......??????1342??2018-09-02?07:26??README.md

????.......??????2747??2018-09-02?07:26??libraries\AD524X\AD524X.cpp

????.......??????1269??2018-09-02?07:26??libraries\AD524X\AD524X.h

????.......???????731??2018-09-02?07:26??libraries\AD524X\examples\AD524X_followA0\AD524X_followA0.ino

????.......???????708??2018-09-02?07:26??libraries\AD524X\examples\AD524X_midScaleReset\AD524X_midScaleReset.ino

????.......???????650??2018-09-02?07:26??libraries\AD524X\examples\AD524X_read\AD524X_read.ino

????.......???????916??2018-09-02?07:26??libraries\AD524X\examples\AD524X_readBackRegister\AD524X_readBackRegister.ino

????.......???????554??2018-09-02?07:26??libraries\AD524X\examples\AD524X_sawtooth\AD524X_sawtooth.ino

????.......???????762??2018-09-02?07:26??libraries\AD524X\examples\AD524X_setO\AD524X_setO.ino

????.......???????685??2018-09-02?07:26??libraries\AD524X\examples\AD524X_write\AD524X_write.ino

????.......???????508??2018-09-02?07:26??libraries\AD524X\library.json

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????.......??????1909??2018-09-02?07:26??libraries\AM232X\examples\AM2320_test\AM2320_test.ino

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????.......???????812??2018-09-02?07:26??libraries\AM232X\keywords.txt

????.......???????496??2018-09-02?07:26??libraries\AM232X\library.json

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............此處省略677個文件信息