fromALERTregister.Sharedbetweenloop（）andrestore_alert_settings（）
//!
InitializeLinduino
voidsetup（）
{
chardemo_name[]="DC1812";//!
DemoBoardNamestoredinQuikEvalEEPROM
quikeval_I2C_init（）;//!
ConfiguretheEEPROMI2Cportfor100kHz
quikeval_I2C_connect（）;//!
ConnectstomainI2Cport
Serial.begin（115200）;//!
InitializetheserialporttothePC
print_title（）;
demo_board_connected=discover_demo_board（demo_name）;if（demo_board_connected）
{
print_prompt（）;
}
else
{
demo_board_connected=true;
Serial.println（"DidnotreadIDString,attemptingtoproceedanyway...\nPleaseensureI2ClinesofLinduinoareconnectedtotheLTCdevice"）;
}
}
//!
RepeatsLinduinoloop
voidloop（）{
int8_tack=0;indicator
//!
I2Cacknowledge
staticuint8_tuser_command;command
//!
Theuserinput
staticuint8_tmAh_or_Coulombs=0;
staticuint8_tcelcius_or_kelvin=0;
staticuint16_tprescalar_mode=LTC2943_PRESCALAR_M_4096;
staticuint16_tprescalarValue=4096;
staticuint16_talcc_mode=LTC2943_ALERT_MODE;
if（demo_board_connected）thedemoboardisnotconnected
//!
Donothingif
{
if（Serial.available（））serialisnotavailable
//!
Donothingif
user_command=read_int（）;command
//!
Readuserinput
if（user_command!
='m'）
Serial.println（user_command）;Serial.println（）;
ack=0;
switch（user_command）appropriatesubmenu
//!
Printsthe
case1:
ack|=menu_1_automatic_mode（mAh_or_Coulombs,celcius_or_kelvin,prescalar_mode,prescalarValue,alcc_mode）;//!
AutomaticMode
break;
case2:
ack|=menu_2_scan_mode（mAh_or_Coulombs,celcius_or_kelvin,prescalar_mode,prescalarValue,alcc_mode）;//!
ScanMode
break;
case3:
ack|=menu_3_manual_mode（mAh_or_Coulombs,celcius_or_kelvin,prescalar_mode,prescalarValue,alcc_mode）;//!
ManualMode
break;
case4:
ack|=menu_4_sleep_mode（mAh_or_Coulombs,prescalar_mode,prescalarValue,alcc_mode）;//!
SleepMode
break;
case5:
ack|=menu_5_shutdown_mode（）;
//!
ShutdownMode
break;
case6:
ack|=menu_6_settings（&mAh_or_Coulombs,&celcius_or_kelvin,&prescalar_mode,&prescalarValue,&alcc_mode）;//!
SettingsMode
break;
}
if（ack!
=0）//!
Ifackisnotrecievedprintanerror.
Serial.println（ack_error）;
Serial.print（F（"*************************"print_prompt（）;
}
}
}
//FunctionDefinitions
//!
Printthetitleblock
voidprint_title（）
{
Serial.println（F（"\n*****************************************************************"））;
Serial.print（F（"*DC1812ADemonstrationProgram*\n"））;
Serial.print（F（"*
*\n"））;
Serial.print（F（"*ThisprogramcommunicateswiththeLTC2943MulticellCoulomb*\n"））;
Serial.print（F（"*CounterfoundontheDC1812Ademoboard.*\n"））;
Serial.print（F（"*Setthebaudrateto115200andselectthenewlineterminator.*\n"））;
Serial.print（F（"*
*\n"））;
Serial.print（F（"****************************************************
*************\rH\\・
//!
PrintthePrompt
voidprint_prompt（）
{
Serial.print（F（"\n1-AutomaticMode\n"））;
Serial.print（F（"2-ScanMode\n"））;
Serial.print（F（"3-ManualMode\n"））;
Serial.print（F（"4-SleepMode\n"））;
Serial.print（F（"5-ShutdownMode\n"））;
Serial.print（F（"6-Settings\n"））;
Serial.print（F（"Enteracommand:
"））;
}
//!
AutomaticMode.
int8_tmenu_1_automatic_mode（int8_tmAh_or_Coulombs,int8_tcelcius_or_kelvin,uint16_tprescalar_mode,uint16_tprescalarValue,uint16_talcc_mode）
//!
@returnReturnsthestateoftheacknowledgebitaftertheI2Caddresswrite.0=acknowledge,1=noacknowledge.
{
int8_tLTC2943_mode;
int8_tack=0;
LTC2943_mode=LTC2943_AUTOMATIC_MODE|prescalar_mode|alcc_mode;//!
SetthecontrolregisteroftheLTC2943toautomaticmodeaswellassetprescalarandAL#/CC#pinvalues.
Serial.println（）;
ack|=LTC2943_write（LTC2943_I2C_ADDRESS,LTC2943_CONTROL_REG,LTC2943_mode）;//!
WritesthesetmodetotheLTC2943controlregister
do
uint8_tstatus_code,hightemp_code,lowtemp_code;
uint16_tcharge_code,current_code,voltage_code,temperature_code;
ack|=LTC2943_read_16_bits（LTC2943_I2C_ADDRESS,LTC2943_ACCUM_CHARGE_MSB_REG,&charge_code）;//!
ReadMSBandLSBAccumulatedChargeRegistersfor16bitchargecode
ack|=LTC2943_read_16_bits（LTC2943_I2C_ADDRESS,LTC2943_VOLTAGE_MSB_REG,&voltage_code）;//!
ReadMSBandLSBVoltageRegistersfor16bitvoltagecode
ack|=LTC2943_read_16_bits（LTC2943_I2C_ADDRESS,LTC2943_CURRENT_MSB_REG,¤t_code）;//!
ReadMSBand
LSBCurrentRegistersfor16bitcurrentcode
ack|=LTC2943_read_16_bits（LTC2943_I2C_ADDRESS,LTC2943_TEMPERATURE_MSB_REG,&temperature_code）;//!
ReadMSBandLSBTemperatureRegistersfor16bittemperaturecode
ack|=LTC2943_read（LTC2943_I2C_ADDRESS,LTC2943_STATUS_REG,&status_code）;//!
ReadStatusRegisterfor8bitstatuscode
floatcharge,current,voltage,temperature;
if（mAh_or_Coulombs）
{
charge=LTC2943_code_to_coulombs（charge_code,resistor,prescalarValue）;//!
ConvertchargecodetoCoulombsifCoulombunitsaredesired.
Serial.print（"Coulombs:
"）;
Serial.print（charge,4）;
Serial.print（F（"C\n"））;
}
else
{
charge=LTC2943_code_to_mAh（charge_code,resistor,prescalarValue）;//!
ConvertchargecodetomAhifmAhunitsaredesired.
Serial.print（"mAh:
"）;
Serial.print（charge,4）;
Serial.print（F（"mAh\n"））;
}
current=LTC2943_code_to_current（current_code,resistor）;
//!
ConvertcurrentcodetoAmperes
voltage=LTC2943_code_to_voltage（voltage_code）;
//!
ConvertvoltagecodetoVolts
Serial.print（F（"Current"））;
Serial.print（current,4）;
Serial.print（F（"A\n"））;
Serial.print（F（"Voltage"））;
Serial.print（voltage,4）;
Serial.print（F（"V\n"））;if（celcius_or_kelvin）{
temperature=LTC2943_code_to_kelvin_temperature（temperature_code）;//!
Converttemperaturecodetokelvin
Serial.print（F（"Temperature"））;
Serial.print（temperature,4）;
Serial.print（F（"K\n"））;
}
else
temperature=LTC2943_code_to_celcius_temperature（temperature_code）;//!
Converttemperaturecodetocelcius
Serial.print（F（"Temperature"））;
Serial.print（temperature,4）;
Serial.print（F（"C\n"））;
}
checkAlerts（status_code）;
//!
CheckstatuscodeforAlerts.IfanAlerthasbeenset,printoutappropriatemessageintheSerialPrompt.
Serial.print（F（"m-MainMenu\n\n"））;
Serial.flush（）;delay（AUTOMATIC_MODE_DISPLAY_DELAY）;
//!
Delayfor1sbeforenextpolling
}
while（Serial.available（）==false||（ack））;
//!
ifSerialisnotavailableandanNACKhasnotbeenrecieved,keeppollingtheregisters.
read_int（）;//clearstheSerial.available
return（ack）;
}
//!
ScanMode
int8_tmenu_2_scan_mode（int8_tmAh_or_Coulombs,int8_tcelcius_or_kelvin,uint16_tprescalar_mode,uint16_tprescalarValue,uint16_talcc_mode）
//!
@returnReturnsthestateoftheacknowledgebitaftertheI2Caddresswrite.0=acknowledge,1=noacknowledge
int8_tLTC2943_mode;
int8_tack=0;
LTC2943_mode=LTC2943_SCAN_MODE|prescalar_mode|alcc_mode;
//!
SetthecontrolmodeoftheLTC2943toscanmodeaswellassetprescalarandAL#/CC#pinvalues.
Serial.println（）;
ack|=LTC2943_write（LTC2943_I2C_ADDRESS,LTC2943_CONTROL_REG,LTC2943_mode）;//!
WritesthesetmodetotheLTC2943
controlregister
do
uint8_tstatus_code;
uint16_tcharge_code,current_code,voltage_code,temperature_code;
ack|=LTC2943_read_16_bits（LTC2943_I2C_ADDRESS,LTC2943_ACCUM_CHARGE_MSB_REG,&charge_code）;//!
ReadMSB
andLSBAccumulatedChargeRegistersfor16bitchargecode
ack|=LTC2943_read_16_bits（LTC2943_I2C_ADDRESS,LTC2943_VOLTAGE_MSB_REG,&voltage_code）;//!
ReadMSB
andLSBVoltageRegistersfor16bitvoltagecode
ack|=LTC2943_read_16_bits（LTC2943_I2C_ADDRESS,LTC2943_CURRENT_MSB_REG,¤t_code）;//!
ReadMSB
andLSBCurrentRegistersfor16bitcurrentcode
ack|=LTC2943_read_16_bits（LTC2943_I2C_ADDRESS,LTC2943_TEMPERATURE_MSB_REG,&temperature_code）;//!
ReadMSBandLSBTemperatureRegistersfor16bittemperaturecode
ack|=LTC2943_read（LTC2943_I2C_ADDRESS,LTC2943_STATUS_REG,&status_code）;//!
ReadStatusRegistersfor8bitstatuscode
floatcharge,current,voltage,temperature;
if（mAh_or_Coulombs）
{
charge=LTC2943_code_to_coulombs（charge_code,resistor,prescalarValue）;//!
Convertchargecode
toCoulombsifCoulombunitsaredesired.
Serial.print（"Coulombs:
"）;
Serial.print（charge,4）;
Serial.print（F（"C\n"））;
}
else
{
charg
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