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ed783b4b23
project_power-bank/UPGRADE/Code/v2/v2.ino
Max Hunt ed783b4b23 Update
2020-01-04 01:12:32 +00:00

312 lines
11 KiB
C++
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#include <MAX17043.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include "Arduino.h"
#include "LowPower.h"
#include <avr/wdt.h>
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 32
#define OLED_RESET -1
#define PWRBTN 3
#define CHGBTN 4
#define PWRLED 5
#define CHGLED 6
#define VBAT A0
#define FETCTRL 2
#define CSTAT1 A1
#define CSTAT2 A2
#define DIMLEN 274
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
bool powerState = false;
bool screenOn = false;
bool charging_1 = false;
bool charging_2 = false;
bool isSafe = true;
int screenState = 0;
static const unsigned char PROGMEM battery_logo[] = {
B00000011, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11000000, B00000000,
B00001111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11110000, B00000000,
B00011111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111000, B00000000,
B00111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111100, B00000000,
B01111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111110, B00000000,
B01111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111110, B00000000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B00000000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B00000000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B00000000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B00000000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B00000000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B01100000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B01110000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B01111000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B01111000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B01111000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B01111000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B01111000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B01111000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B01110000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B01100000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B00000000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B00000000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B00000000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B00000000,
B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B00000000,
B01111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111110, B00000000,
B01111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111110, B00000000,
B00111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111100, B00000000,
B00011111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111000, B00000000,
B00001111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11110000, B00000000,
B00000011, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11111111, B11000000, B00000000
};
static const unsigned char PROGMEM charge_logo[] = {
B00011111, B11000000,
B00010000, B01000000,
B00100000, B01000000,
B00100000, B10000000,
B01000001, B00000000,
B01000011, B11000000,
B10000000, B01000000,
B11110000, B10000000,
B00010001, B00000000,
B00100010, B00000000,
B00100100, B00000000,
B01001000, B00000000,
B01010000, B00000000,
B01100000, B00000000
};
static const unsigned char PROGMEM charged_logo[] = {
B00011111, B11000000,
B00011111, B11000000,
B00111111, B11000000,
B00111111, B10000000,
B01111111, B00000000,
B01111111, B11000000,
B11111111, B11000000,
B11111111, B10000000,
B00011111, B00000000,
B00111110, B00000000,
B00111100, B00000000,
B01111000, B00000000,
B01110000, B00000000,
B01100000, B00000000
};
static const int dimmerVals[] = {
0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,2,2,2,2,3,3,4,4,4,5,5,6,6,7,7,8,8,9,9,10,11,11,12,13,14,15,16,17,18,19,20,21,
22,24,25,26,28,29,30,32,33,35,37,38,40,42,44,46,48,49,52,54,56,58,60,63,65,67,70,73,75,78,80,83,86,89,92,95,98,
101,105,108,112,116,120,124,127,131,136,139,144,148,152,156,160,164,168,172,177,181,185,189,192,196,200,204,208,
211,215,218,221,224,227,230,233,236,238,240,242,244,246,248,249,250,251,252,253,253,253,253,253,253,253,253,253,
253,252,252,251,249,248,247,245,243,241,239,236,234,231,228,225,222,219,216,212,208,205,201,197,194,190,186,182,
178,174,169,165,161,157,153,149,145,141,137,133,129,125,121,117,113,110,106,102,98,96,93,89,87,84,81,78,76,73,71,
68,65,63,61,58,56,54,52,50,48,46,44,42,40,39,37,35,34,32,31,29,28,26,25,24,23,21,20,19,18,17,16,15,14,13,12,12,11,
10,9,9,8,8,7,7,6,6,5,5,4,4,4,3,3,2,2,2,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0
};
void setup() {
delay(100);
wdt_enable(WDTO_8S);
display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
display.clearDisplay();
display.setTextColor(WHITE);
Wire.begin();
Serial.begin(9600);
pinMode(VBAT, INPUT);
pinMode(CSTAT1, INPUT);
pinMode(CSTAT2, INPUT);
pinMode(FETCTRL, OUTPUT);
pinMode(PWRLED, OUTPUT);
pinMode(CHGLED, OUTPUT);
pinMode(PWRBTN, INPUT_PULLUP);
pinMode(CHGBTN, INPUT_PULLUP);
digitalWrite(FETCTRL, LOW);
resetScreen();
delay(200);
FuelGauge.begin();
FuelGauge.reset(); //<== Might cause problems
FuelGauge.quickstart();
}
void loop() {
delay(100);
delay(900);
Serial.println(getVoltage());
wdt_reset();
checkPresses();
checkCharging();
safetyCheck();
if (screenState != 0 && isSafe == true) {updateScreen();}
if ((charging_1 == true || charging_2 == true) && screenState == 0) {updateDisplayChg();}
else{
if (screenOn == true && screenState == 0){
resetScreen();
}
}
if ((powerState == false && screenState == 0) && (charging_1 == false && charging_2 == false)) {
LowPower.powerDown(SLEEP_1S, ADC_OFF, BOD_OFF);
}
}
void checkPresses(){
if (digitalRead(PWRBTN) == 0) {
if (powerState == true || screenState != 0) {
delay(700);
}
if (digitalRead(PWRBTN) == 0) {
if(powerState == true){
turnOff();
}
else {
turnOn();
}
}
}
if (digitalRead(CHGBTN) == 0) {
if (powerState == true || screenState != 0) {
delay(700);
}
if (digitalRead(CHGBTN) == 0) {
if(isSafe == true){
blinkLed(CHGLED);
if (screenState == 1 || screenState == 0) {
screenState++;
}
else {
resetScreen();
screenState = 0;
}
}
else {
errorBlink();
}
}
}
}
void checkCharging(){
if (digitalRead(CSTAT1) == 1){
delay(100);
if (digitalRead(CSTAT1) == 1){
charging_1 = true;
}
}
else { charging_1 = false;
}
if (digitalRead(CSTAT2) == 1){
delay(100);
if (digitalRead(CSTAT2) == 1){
charging_2 = true;
}
}
else { charging_2 = false;
}
}
void turnOn() {
if(isSafe == true){
blinkLed(PWRLED);
digitalWrite(FETCTRL, HIGH);
powerState = true;
}
else{
errorBlink();
}
}
void turnOff() {
blinkLed(PWRLED);
digitalWrite(FETCTRL, LOW);
powerState = false;
}
void resetScreen() {
display.clearDisplay();
display.display();
screenOn = false;
}
void updateScreen(){
display.clearDisplay();
display.drawBitmap(0, 0, battery_logo, 120, 32, 1);
display.setTextSize(2);
display.setCursor(30, 10);
display.setTextColor(0);
if (screenState == 1){
display.print(getPct());
display.println("%");
}
else if (screenState == 2){
display.print(getVoltage());
display.println(" V");
}
updateDispayHelper();
display.display();
screenOn = true;
}
void updateDisplayChg(){
display.clearDisplay();
updateDispayHelper();
display.display();
screenOn = true;
}
void updateDispayHelper(){
int batteryPct = getPct();
if (charging_1 == true && batteryPct != 100) {display.drawBitmap(118, 0, charge_logo, 16, 14, 1); screenOn = true;}
else if (charging_2 == true && batteryPct != 100) {display.drawBitmap(118, 16, charge_logo, 16, 14, 1); screenOn = true;}
else if (charging_1 == true && batteryPct == 100) {display.drawBitmap(118, 0, charged_logo, 16, 14, 1); screenOn = true;}
else if (charging_2 == true && batteryPct == 100) {display.drawBitmap(118, 16, charged_logo, 16, 14, 1); screenOn = true;}
}
double getVoltage(){
return (FuelGauge.voltage()/1000);
}
int getPct(){
return (FuelGauge.percent());
}
void safetyCheck(){
double currentVoltage = getVoltage();
if(currentVoltage > 3.40 ){ //|| currentVoltage < 1.00
isSafe = true;
}
else{
isSafe = false;
if(powerState == true){
turnOff();
screenState = 0;
resetScreen();
}
}
}
void blinkLed(int ctrlLed) {
for(int i=0; i<DIMLEN; i++){
analogWrite(ctrlLed, dimmerVals[i]); delay(12);
}
}
void errorBlink() {
for(int i=0; i<5; i++){
digitalWrite(PWRLED, 1);
digitalWrite(CHGLED, 1);
delay(400);
digitalWrite(PWRLED, 0);
digitalWrite(CHGLED, 0);
delay(400);
}
}
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