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@AngeloCasi
AngeloCasi authored Sep 12, 2021
1 parent ffbe70c commit 294880f
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6 changes: 3 additions & 3 deletions 2_Read_Sensors.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@ void Read_Sensors(){
}
else{
TS = TS/sampleStoreTS;
TSlog = log(9000.00*(4095.00/TS-1.00));
TSlog = log(ntcResistance*(4095.00/TS-1.00));
temperature = (1.0/(1.009249522e-03+2.378405444e-04*TSlog+2.019202697e-07*TSlog*TSlog*TSlog))-273.15;
sampleStoreTS = 0;
TS = 0;
Expand All @@ -40,8 +40,8 @@ void Read_Sensors(){
VSI = VSI + ads.computeVolts(ads.readADC_SingleEnded(3));
VSO = VSO + ads.computeVolts(ads.readADC_SingleEnded(1));
}
voltageInput = (VSI/avgCountVS)*39.9000;
voltageOutput = (VSO/avgCountVS)*24.5000;
voltageInput = (VSI/avgCountVS)*inVoltageDivRatio;
voltageOutput = (VSO/avgCountVS)*outVoltageDivRatio;


//CURRENT SENSOR - Instantenous Averaging
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114 changes: 60 additions & 54 deletions ARDUINO_MPPT_FIRMWARE_V1.1.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@
* - LCD Menu Interface (with settings & 4 display layouts)
* - Flash Memory (non-volatile settings save function)
* - Settable PWM Resolution (8bit-16bit)
* - Settable PWM Resolution (1.2kHz - 312kHz)
* - Settable PWM Switching Frequency (1.2kHz - 312kHz)
* -----------------------------------------------------------------------------------------------------------
* PROGRAM INSTRUCTIONS:
* 1.) Watch YouTube video tutorial first before using
Expand All @@ -41,7 +41,8 @@
* -----------------------------------------------------------------------------------------------------------
* GOOGLE DRIVE PROJECT LINK: coming soon
* INSTRUCTABLE TUTORIAL LINK: coming soon
* YOUTUBE TUTORIAL LINK: coming Soon
* YOUTUBE TUTORIAL LINK: www.youtube.com/watch?v=ShXNJM6uHLM
* GITHUB UPDATED FUGU FIRMWARE LINK: github.com/AngeloCasi/FUGU-ARDUINO-MPPT-FIRMWARE
* -----------------------------------------------------------------------------------------------------------
* ACTIVE CHIPS USED IN FIRMWARE:
* - ESP32 WROOM32
Expand Down Expand Up @@ -81,8 +82,9 @@ firmwareContactR2 = "TechBuilder ";
#include <LiquidCrystal_I2C.h> //SYSTEM PARAMETER - ESP32 LCD Compatible Library (By: Robojax)
#include <Adafruit_ADS1X15.h> //SYSTEM PARAMETER - ADS1115/ADS1015 ADC Library (By: Adafruit)
LiquidCrystal_I2C lcd(0x27,16,2); //SYSTEM PARAMETER - Configure LCD RowCol Size and I2C Address
Adafruit_ADS1015 ads; //SYSTEM PARAMETER - ADS1115/ADS1015 ADC Library (By: Adafruit)
TaskHandle_t Core2; //SYSTEM PARAMETER - Used for the ESP32 dual core operation
TaskHandle_t Core2; //SYSTEM PARAMETER - Used for the ESP32 dual core operation
Adafruit_ADS1015 ads; //SYSTEM PARAMETER - ADS1015 ADC Library (By: Adafruit) Kindly delete this line if you are using ADS1115
//Adafruit_ADS1115 ads; //SYSTEM PARAMETER - ADS1115 ADC Library (By: Adafruit) Kindly uncomment this if you are using ADS1115

//====================================== USER PARAMETERS ===========================================//
// The parameters below are the default parameters used when the MPPT charger settings have not //
Expand Down Expand Up @@ -117,67 +119,70 @@ pass[] = "InputWiFiPassword"; // USER PARAMETER - Enter Your WiF
// would allow you to override or unlock features for advanced users (settings not on the LCD menu)//
//=================================================================================================//
bool
MPPT_Mode = 1, // USER PARAMETER - Enable MPPT algorithm, when disabled charger uses CC-CV algorithm
output_Mode = 1, // USER PARAMETER - 0 = PSU MODE, 1 = Charger Mode
disableFlashAutoLoad = 0, // USER PARAMETER - Forces the MPPT to not use flash saved settings, enabling this "1" defaults to programmed firmware settings.
enablePPWM = 1, // USER PARAMETER - Enables Predictive PWM, this accelerates regulation speed (only applicable for battery charging application)
enableWiFi = 1, // USER PARAMETER - Enable WiFi Connection
enableFan = 1, // USER PARAMETER - Enable Cooling Fan
enableBluetooth = 1, // USER PARAMETER - Enable Bluetooth Connection
enableLCD = 1, // USER PARAMETER - Enable LCD display
enableLCDBacklight = 1, // USER PARAMETER - Enable LCD display's backlight
overrideFan = 0, // USER PARAMETER - Fan always on
enableDynamicCooling = 0; // USER PARAMETER - Enable for PWM cooling control
MPPT_Mode = 1, // USER PARAMETER - Enable MPPT algorithm, when disabled charger uses CC-CV algorithm
output_Mode = 1, // USER PARAMETER - 0 = PSU MODE, 1 = Charger Mode
disableFlashAutoLoad = 0, // USER PARAMETER - Forces the MPPT to not use flash saved settings, enabling this "1" defaults to programmed firmware settings.
enablePPWM = 1, // USER PARAMETER - Enables Predictive PWM, this accelerates regulation speed (only applicable for battery charging application)
enableWiFi = 1, // USER PARAMETER - Enable WiFi Connection
enableFan = 1, // USER PARAMETER - Enable Cooling Fan
enableBluetooth = 1, // USER PARAMETER - Enable Bluetooth Connection
enableLCD = 1, // USER PARAMETER - Enable LCD display
enableLCDBacklight = 1, // USER PARAMETER - Enable LCD display's backlight
overrideFan = 0, // USER PARAMETER - Fan always on
enableDynamicCooling = 0; // USER PARAMETER - Enable for PWM cooling control
int
serialTelemMode = 1, // USER PARAMETER - Selects serial telemetry data feed (0 - Disable Serial, 1 - Display All Data, 2 - Display Essential, 3 - Number only)
pwmResolution = 11, // USER PARAMETER - PWM Bit Resolution
pwmFrequency = 39000, // USER PARAMETER - PWM Switching Frequency - Hz (For Buck)
temperatureFan = 60, // USER PARAMETER - Temperature threshold for fan to turn on
temperatureMax = 90, // USER PARAMETER - Overtemperature, System Shudown When Exceeded (deg C)
telemCounterReset = 0, // USER PARAMETER - Reset Telem Data Every (0 = Never, 1 = Day, 2 = Week, 3 = Month, 4 = Year)
errorTimeLimit = 1000, // USER PARAMETER - Time interval for reseting error counter (milliseconds)
errorCountLimit = 5, // USER PARAMETER - Maximum number of errors
millisRoutineInterval = 250, // USER PARAMETER - Time Interval Refresh Rate For Routine Functions (ms)
millisSerialInterval = 1, // USER PARAMETER - Time Interval Refresh Rate For USB Serial Datafeed (ms)
millisLCDInterval = 1000, // USER PARAMETER - Time Interval Refresh Rate For LCD Display (ms)
millisWiFiInterval = 2000, // USER PARAMETER - Time Interval Refresh Rate For WiFi Telemetry (ms)
millisLCDBackLInterval = 2000, // USER PARAMETER - Time Interval Refresh Rate For WiFi Telemetry (ms)
backlightSleepMode = 0, // USER PARAMETER - 0 = Never, 1 = 10secs, 2 = 5mins, 3 = 1hr, 4 = 6 hrs, 5 = 12hrs, 6 = 1 day, 7 = 3 days, 8 = 1wk, 9 = 1month
baudRate = 500000; // USER PARAMETER - USB Serial Baud Rate (bps)
serialTelemMode = 1, // USER PARAMETER - Selects serial telemetry data feed (0 - Disable Serial, 1 - Display All Data, 2 - Display Essential, 3 - Number only)
pwmResolution = 11, // USER PARAMETER - PWM Bit Resolution
pwmFrequency = 39000, // USER PARAMETER - PWM Switching Frequency - Hz (For Buck)
temperatureFan = 60, // USER PARAMETER - Temperature threshold for fan to turn on
temperatureMax = 90, // USER PARAMETER - Overtemperature, System Shudown When Exceeded (deg C)
telemCounterReset = 0, // USER PARAMETER - Reset Telem Data Every (0 = Never, 1 = Day, 2 = Week, 3 = Month, 4 = Year)
errorTimeLimit = 1000, // USER PARAMETER - Time interval for reseting error counter (milliseconds)
errorCountLimit = 5, // USER PARAMETER - Maximum number of errors
millisRoutineInterval = 250, // USER PARAMETER - Time Interval Refresh Rate For Routine Functions (ms)
millisSerialInterval = 1, // USER PARAMETER - Time Interval Refresh Rate For USB Serial Datafeed (ms)
millisLCDInterval = 1000, // USER PARAMETER - Time Interval Refresh Rate For LCD Display (ms)
millisWiFiInterval = 2000, // USER PARAMETER - Time Interval Refresh Rate For WiFi Telemetry (ms)
millisLCDBackLInterval = 2000, // USER PARAMETER - Time Interval Refresh Rate For WiFi Telemetry (ms)
backlightSleepMode = 0, // USER PARAMETER - 0 = Never, 1 = 10secs, 2 = 5mins, 3 = 1hr, 4 = 6 hrs, 5 = 12hrs, 6 = 1 day, 7 = 3 days, 8 = 1wk, 9 = 1month
baudRate = 500000; // USER PARAMETER - USB Serial Baud Rate (bps)

float
voltageBatteryMax = 27.3000, // USER PARAMETER - Maximum Battery Charging Voltage (Output V)
voltageBatteryMin = 22.4000, // USER PARAMETER - Minimum Battery Charging Voltage (Output V)
currentCharging = 30.0000, // USER PARAMETER - Maximum Charging Current (A - Output)
electricalPrice = 9.5000; // USER PARAMETER - Input electrical price per kWh (Dollar/kWh,Euro/kWh,Peso/kWh)
voltageBatteryMax = 27.3000, // USER PARAMETER - Maximum Battery Charging Voltage (Output V)
voltageBatteryMin = 22.4000, // USER PARAMETER - Minimum Battery Charging Voltage (Output V)
currentCharging = 30.0000, // USER PARAMETER - Maximum Charging Current (A - Output)
electricalPrice = 9.5000; // USER PARAMETER - Input electrical price per kWh (Dollar/kWh,Euro/kWh,Peso/kWh)


//================================== CALIBRATION PARAMETERS =======================================//
// The parameters below can be tweaked for designing your own MPPT charge controllers. Only modify //
// the values below if you know what you are doing. The values below have been pre-calibrated for //
// MPPT charge controllers designed by TechBuilder (Angelo S. Casimiro) //
//=================================================================================================//
bool
ADS1015_Mode = 1; // CALIB PARAMETER - Use 1 for ADS1015 ADC model use 0 for ADS1115 ADC model
ADS1015_Mode = 1; // CALIB PARAMETER - Use 1 for ADS1015 ADC model use 0 for ADS1115 ADC model
int
ADC_GainSelect = 2, // CALIB PARAMETER - ADC Gain Selection (0→±6.144V 3mV/bit, 1→±4.096V 2mV/bit, 2→±2.048V 1mV/bit)
avgCountVS = 3, // CALIB PARAMETER - Voltage Sensor Average Sampling Count (Recommended: 3)
avgCountCS = 4, // CALIB PARAMETER - Current Sensor Average Sampling Count (Recommended: 4)
avgCountTS = 500; // CALIB PARAMETER - Temperature Sensor Average Sampling Count
ADC_GainSelect = 2, // CALIB PARAMETER - ADC Gain Selection (0→±6.144V 3mV/bit, 1→±4.096V 2mV/bit, 2→±2.048V 1mV/bit)
avgCountVS = 3, // CALIB PARAMETER - Voltage Sensor Average Sampling Count (Recommended: 3)
avgCountCS = 4, // CALIB PARAMETER - Current Sensor Average Sampling Count (Recommended: 4)
avgCountTS = 500; // CALIB PARAMETER - Temperature Sensor Average Sampling Count
float
voltageDropout = 1.0000, // CALIB PARAMETER - Buck regulator's dropout voltage (DOV is present due to Max Duty Cycle Limit)
voltageBatteryThresh = 1.5000, // CALIB PARAMETER - Power cuts-off when this voltage is reached (Output V)
currentInAbsolute = 31.0000, // CALIB PARAMETER - Maximum Input Current The System Can Handle (A - Input)
currentOutAbsolute = 50.0000, // CALIB PARAMETER - Maximum Output Current The System Can Handle (A - Input)
PPWM_margin = 99.5000, // CALIB PARAMETER - Minimum Operating Duty Cycle for Predictive PWM (%)
PWM_MaxDC = 97.0000, // CALIB PARAMETER - Maximum Operating Duty Cycle (%) 90%-97% is good
efficiencyRate = 1.0000, // CALIB PARAMETER - Theroretical Buck Efficiency (% decimal)
currentMidPoint = 2.5250, // CALIB PARAMETER - Current Sensor Midpoint (V)
currentSens = 0.0000, // CALIB PARAMETER - Current Sensor Sensitivity (V/A)
currentSensV = 0.0660, // CALIB PARAMETER - Current Sensor Sensitivity (mV/A)
vInSystemMin = 10.0000, // CALIB PARAMETER -
vOutSystemMin = 0.0000, // CALIB PARAMETER -
vOutSystemMax = 50.0000, // CALIB PARAMETER -
cOutSystemMax = 50.0000; // CALIB PARAMETER -
inVoltageDivRatio = 40.2156, // CALIB PARAMETER - Input voltage divider sensor ratio (change this value to calibrate voltage sensor)
outVoltageDivRatio = 24.5000, // CALIB PARAMETER - Output voltage divider sensor ratio (change this value to calibrate voltage sensor)
vOutSystemMax = 50.0000, // CALIB PARAMETER -
cOutSystemMax = 50.0000, // CALIB PARAMETER -
ntcResistance = 10000.00, // CALIB PARAMETER - NTC temp sensor's resistance. Change to 10000.00 if you are using a 10k NTC
voltageDropout = 1.0000, // CALIB PARAMETER - Buck regulator's dropout voltage (DOV is present due to Max Duty Cycle Limit)
voltageBatteryThresh = 1.5000, // CALIB PARAMETER - Power cuts-off when this voltage is reached (Output V)
currentInAbsolute = 31.0000, // CALIB PARAMETER - Maximum Input Current The System Can Handle (A - Input)
currentOutAbsolute = 50.0000, // CALIB PARAMETER - Maximum Output Current The System Can Handle (A - Input)
PPWM_margin = 99.5000, // CALIB PARAMETER - Minimum Operating Duty Cycle for Predictive PWM (%)
PWM_MaxDC = 97.0000, // CALIB PARAMETER - Maximum Operating Duty Cycle (%) 90%-97% is good
efficiencyRate = 1.0000, // CALIB PARAMETER - Theroretical Buck Efficiency (% decimal)
currentMidPoint = 2.5250, // CALIB PARAMETER - Current Sensor Midpoint (V)
currentSens = 0.0000, // CALIB PARAMETER - Current Sensor Sensitivity (V/A)
currentSensV = 0.0660, // CALIB PARAMETER - Current Sensor Sensitivity (mV/A)
vInSystemMin = 10.000; // CALIB PARAMETER -

//===================================== SYSTEM PARAMETERS =========================================//
// Do not change parameter values in this section. The values below are variables used by system //
Expand Down Expand Up @@ -256,7 +261,8 @@ MWh = 0.0000, // SYSTEM PARAMETER - Stores the accumulate
loopTime = 0.0000, // SYSTEM PARAMETER -
outputDeviation = 0.0000, // SYSTEM PARAMETER - Output Voltage Deviation (%)
buckEfficiency = 0.0000, // SYSTEM PARAMETER - Measure buck converter power conversion efficiency (only applicable to my dual current sensor version)
floatTemp = 0.0000;
floatTemp = 0.0000,
vOutSystemMin = 0.0000; // CALIB PARAMETER -
unsigned long
currentErrorMillis = 0, //SYSTEM PARAMETER -
currentButtonMillis = 0, //SYSTEM PARAMETER -
Expand Down

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