/*
INA226.cpp?-?Class?file?for?the?INA226?Bi-directional?Current/Power?Monitor?Arduino?Library.

Version:?1.0.0
（c）?2014?Korneliusz?Jarzebski
www.jarzebski.pl

This?program?is?free?software:?you?can?redistribute?it?and/or?modify
it?under?the?terms?of?the?version?3?GNU?General?Public?License?as
published?by?the?Free?Software?Foundation.

This?program?is?distributed?in?the?hope?that?it?will?be?useful
but?WITHOUT?ANY?WARRANTY;?without?even?the?implied?warranty?of
MERCHANTABILITY?or?FITNESS?FOR?A?PARTICULAR?PURPOSE.??See?the
GNU?General?Public?License?for?more?details.

You?should?have?received?a?copy?of?the?GNU?General?Public?License
along?with?this?program.??If?not?see?.
*/

#if?ARDUINO?>=?100
#include?“Arduino.h“
#else
#include?“WProgram.h“
#endif

#include?

#include?“INA226.h“

bool?INA226::begin（uint8_t?address）
{
????Wire.begin（）;
????inaAddress?=?address;
????return?true;
}

bool?INA226::configure（ina226_averages_t?avg?ina226_busConvTime_t?busConvTime?ina226_shuntConvTime_t?shuntConvTime?ina226_mode_t?mode）
{
????uint16_t?config?=?0;

????config?|=?（avg?<
????vBusMax?=?36;
????vShuntMax?=?0.08192f;

????writeRegister16（INA226_REG_CONFIG?config）;

????return?true;
}

bool?INA226::calibrate（float?rShuntValue?float?iMaxExpected）
{
????uint16_t?calibrationValue;
????rShunt?=?rShuntValue;

????float?iMaxPossible?minimumLSB;

????iMaxPossible?=?vShuntMax?/?rShunt;

????minimumLSB?=?iMaxExpected?/?32767;

????currentLSB?=?（uint16_t）（minimumLSB?*?100000000）;
????currentLSB?/=?100000000;
????currentLSB?/=?0.0001;
????currentLSB?=?ceil（currentLSB）;
????currentLSB?*=?0.0001;

????powerLSB?=?currentLSB?*?25;

????calibrationValue?=?（uint16_t）（（0.00512）?/?（currentLSB?*?rShunt））;

????writeRegister16（INA226_REG_CALIBRATION?calibrationValue）;

????return?true;
}

float?INA226::getMaxPossibleCurrent（void）
{
????return?（vShuntMax?/?rShunt）;
}

float?INA226::getMaxCurrent（void）
{
????float?maxCurrent?=?（currentLSB?*?32767）;
????float?maxPossible?=?getMaxPossibleCurrent（）;

????if?（maxCurrent?>?maxPossible）
????{
????????return?maxPossible;
????}?else
????{
????????return?maxCurrent;
????}
}

float?INA226::getMaxShuntVoltage（void）
{
????float?maxVoltage?=?getMaxCurrent（）?*?rShunt;

????if?（maxVoltage?>=?vShuntMax）
????{
????????return?vShuntMax;
????}?else
????{
????????return?maxVoltage;
????}
}

float?INA226::getMaxPower（void）
{
????return?（getMaxCurrent（）?*?vBusMax）;
}

float?INA226::readBusPower（void）
{
????return?（readRegister16（INA226_REG_POWER）?*?powerLSB）;
}

float?INA226::readShuntCurrent（void）
{
????return?（readRegister16（INA226_REG_CURRENT）?*?currentLSB）;
}

float?INA226::readShuntVoltage（void）
{
????float?voltage;

????voltage?=?readRegister16（INA226_REG_SHUNTVOLTAGE）;

????return?（voltage?*?0.0000025）;
}

float?INA226::readBusVoltage（void）
{
????int16_t?voltage;

????voltage?=?readRegister16（INA226_REG_BUSVOLTAGE）;

????return?（voltage?*?0.00125）;
}

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

????.CA....???????131??2014-07-20?03:35??ina226\Arduino-INA226-程序\Arduino-INA226-程序\CHANGELOG

????.CA....??????6774??2014-07-20?03:35??ina226\Arduino-INA226-程序\Arduino-INA226-程序\INA226.cpp

????.CA....??????4770??2014-07-20?03:35??ina226\Arduino-INA226-程序\Arduino-INA226-程序\INA226.h

????.CA....???1097473??2015-09-02?14:54??ina226\Arduino-INA226-程序\Arduino-INA226-程序\ina226.pdf

????.CA....??????1493??2015-11-03?13:19??ina226\Arduino-INA226-程序\Arduino-INA226-程序\INA226_alert\INA226_alert.ino

????.CA....??????1284??2015-11-03?13:19??ina226\Arduino-INA226-程序\Arduino-INA226-程序\INA226_latch\INA226_latch.ino

????.CA....??????4563??2015-11-03?13:19??ina226\Arduino-INA226-程序\Arduino-INA226-程序\INA226_simple\INA226_simple.ino

????.CA....?????35121??2014-07-20?03:35??ina226\Arduino-INA226-程序\Arduino-INA226-程序\LICENSE

????.CA....???????265??2014-07-20?03:35??ina226\Arduino-INA226-程序\Arduino-INA226-程序\README.md

????.CA....????110953??2016-03-07?19:07??ina226\Arduino-INA226-程序\CJMCU-226原理圖.pdf

????.CA....???1001977??2016-07-11?09:42??ina226\Arduino-INA226-程序.zip

????.CA....????110953??2016-03-07?19:07??ina226\CJMCU-226原理圖.pdf

????.CA....???1097473??2015-09-02?14:54??ina226\ina226.pdf

????.CA....????894140??2019-03-17?17:14??ina226\INA226中文.pdf

????.CA....?????24423??2016-07-01?18:06??ina226\INA226模塊+stm32f429\CORE\cmsis_armcc.h

????.CA....????114498??2016-07-01?18:06??ina226\INA226模塊+stm32f429\CORE\core_cm4.h

????.CA....??????3620??2016-07-01?18:06??ina226\INA226模塊+stm32f429\CORE\core_cmFunc.h

????.CA....??????3636??2016-07-01?18:06??ina226\INA226模塊+stm32f429\CORE\core_cmInstr.h

????.CA....??????3662??2016-07-01?18:06??ina226\INA226模塊+stm32f429\CORE\core_cmSimd.h

????.CA....?????31694??2016-07-01?18:06??ina226\INA226模塊+stm32f429\CORE\startup_stm32f429xx.s

????.CA....????166216??2016-07-01?18:06??ina226\INA226模塊+stm32f429\HALLIB\STM32F4xx_HAL_Driver\Inc\Legacy\stm32_hal_legacy.h

????.CA....?????13345??2016-07-01?18:06??ina226\INA226模塊+stm32f429\HALLIB\STM32F4xx_HAL_Driver\Inc\stm32f4xx_hal.h

????.CA....?????36376??2016-07-01?18:06??ina226\INA226模塊+stm32f429\HALLIB\STM32F4xx_HAL_Driver\Inc\stm32f4xx_hal_adc.h

????.CA....?????18952??2016-07-01?18:06??ina226\INA226模塊+stm32f429\HALLIB\STM32F4xx_HAL_Driver\Inc\stm32f4xx_hal_adc_ex.h

????.CA....?????36361??2016-07-01?18:06??ina226\INA226模塊+stm32f429\HALLIB\STM32F4xx_HAL_Driver\Inc\stm32f4xx_hal_can.h

????.CA....?????30747??2016-07-01?18:06??ina226\INA226模塊+stm32f429\HALLIB\STM32F4xx_HAL_Driver\Inc\stm32f4xx_hal_cec.h

????.CA....?????17044??2016-07-01?18:06??ina226\INA226模塊+stm32f429\HALLIB\STM32F4xx_HAL_Driver\Inc\stm32f4xx_hal_conf_template.h

????.CA....?????20217??2016-07-01?18:06??ina226\INA226模塊+stm32f429\HALLIB\STM32F4xx_HAL_Driver\Inc\stm32f4xx_hal_cortex.h

????.CA....??????7298??2016-07-01?18:06??ina226\INA226模塊+stm32f429\HALLIB\STM32F4xx_HAL_Driver\Inc\stm32f4xx_hal_crc.h

????.CA....?????23327??2016-07-01?18:06??ina226\INA226模塊+stm32f429\HALLIB\STM32F4xx_HAL_Driver\Inc\stm32f4xx_hal_cryp.h

............此處省略311個文件信息