1.8" SPI TFT Display 128 x 160 Pixels Using ST7735 Driver
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3.7V 1000mAh Lithium Battery
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5Kohm Multiturn Trimmer Potentiometer
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Tactile Switches
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PCB Board Pin Headers
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2Kohm Resistor
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JST Connector
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3.5mm Jack Socket
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3.5mm Jack Plug
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RS Components PCB Slide Switch RS Stock No 702-3763
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Plastic Enclosure Clear Lid
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Story
PetBit (An odometer for your hamsters wheel…)
Recently, one of my many nieces told me she had brought a hamster and was very excited by it. For one mad moment, I had an idea to make her a device for tracking the exercise of her new pet. To begin with, it was going to be a simple odometer, but once I started, the project expanded and in the end, I had to stop myself coming up with evermore features!
PetBit Walk Through
The main microprocessor is an ESP8266, which I selected for a few reasons.
I wanted to see the differences between an ESP and Arduino
Physical size
Processor speed
Power usage, as I knew the unit would be powered by battery
Although the sketch is fairly long, that is only because of the different screens being displayed on the TFT panel.
The unit has a single sensor, which is a reed switch, connected by a 3.5mm jack plug. The reed switch is positioned next to the hamster’s wheel and when the magnet passes by, the unit records the event accordingly. This data is then used to update the screens, such as:
Odometer
Current session
Last seven sessions – time
Last seven sessions – distance
The user has the ability to set the wheel circumference, as well as the start screen to display when the unit is physically powered on. There is a master reset and the choice to load demo data.
Using the EEPROM within the ESP8266, I also record the total distance travelled since the start, as well as the last seven sessions, so should the battery fail, the data is not lost.
Other elements of the device, is a D1 Mini battery charging shield, which I have linked to the ESP8266 via a voltage divider and the analogue input. The voltage divider includes a potentiometer, so the reading of the battery can be accurately calibrated during construction.
PetBit Deconstruction
I have now started a full stack development course, so one of my plans is to use the onboard wireless of the ESP 8266 and link it to a website. But that's for another day.
/* Name: Pet_Bit.ino Created: 10/4/2020 12:03:28 PM Author: Christopher Cooper*/// Libraries.#include<Adafruit_GFX.h> // Core graphics library.#include<Adafruit_ST7735.h> // Hardware-specific library for ST7735.#include<Fonts/FreeMono9pt7b.h> // Special font for displays.#include<SPI.h> // SPI bus for TFT using software SPI.#include<ESP8266WiFi.h> // ESP8266 library required for low power mode function.#include<eeprom.h> // EEPROM library.#include"startScreen.h" // Start screen bitmap.#include"catStartScreen.h" // Cat start screen bitmap.#include"batteryIcons.h" // Battery level bitmaps.// Special ESP8266 settings.extern"C"{// Required for ESP8266 sleep mode.#include"gpio.h"}extern"C"{// Required for ESP8266 sleep mode.#include"user_interface.h"}#define FPM_SLEEP_MAX_TIME 0xFFFFFFF // Sets ESP sleep mode for maximum duration.// TFT SPI Interface for ESP 8266 using software SPI.#define TFT_RST 4 // Reset // D2 on ESP8266.#define TFT_DC 5 // Data command or AO // D1 on ESP8266.#define TFT_MOSI 13 // Software data out // D7 on ESP8266.#define TFT_SCLK 14 // Software clock out // D5 on ESP8266.#define TFT_CS 15 // Chip select // D8 on ESP8266.// Pin out Configuration.bytebPlus=1;// Button + // TX on ESP8266.bytebMinus=3;// Button - // RX on ESP8266.constintlcdBackLightPin=16;// D0 on ESP8266.constintinterruptMenuButton=0;// D3 on ESP8266.constintinterruptWakeButton=2;// D4 on ESP8266.constintinterruptWheelSensor=12;// D6 on ESP8266.// Float map function as inbuilt map function doesnt support floats.floatmapf(floatx,floatin_min,floatin_max,floatout_min,floatout_max){floata=x-in_min;floatb=out_max-out_min;floatc=in_max-in_min;returna*b/c+out_min;}// Configure ST7735 display.Adafruit_ST7735tft=Adafruit_ST7735(TFT_CS,TFT_DC,TFT_MOSI,TFT_SCLK,TFT_RST);booleanscreenRedraw=0;// Global variables.intscreenMenu;// Screen menu selection.byteconfigurationFlag=0;// Configuration menu flag.volatilebytedisplayBackLight=1;// Enable / disable LCD back light.volatilebytewakeInterrupt=1;// Set wake interupt flag.volatileunsignedintdistanceCounter=0;// Counting rotations for distance travelled.volatileunsignedlongpassedTime;// Setting time to calculate speed.volatileunsignedlongstartTime;// Setting time to calculate speed.volatileunsignedlonglastRotation1;// Checking if wheel is still turning.volatileunsignedlonglastRotation2;// Checking if wheel is still turning.floatcircumference;// Wheel circumference.floatcircImperial;// Conversion into MPH.floatdistanceTravelled=0.00;// Total distance travelled.floatspeedKph=0.00;floatspeedMph=0.00;floatrpm=0.00;floatmaxKphSpeed=0;// Recording max speed.charrpmArray[7];// Holding data in character arrays for formatting reasons.charkphArray[7];charmphArray[7];charmaxKphArray[7];charaverageKphSpeedArray[7];charsessionDistanceArray[7];charcurrentSessionTimeArray[7];// Configure EEEPROM. inteeMenuAddress=0;// EEPROM address for start menu position.inteeMenuSetting;// Actual commit for writing, 4 bytes.booleaneeMenuSettingChange=false;// Used for menu scrolling before committing to save EEPROM writes.inteeCircAddress=4;// EEPROM address for circumference.floateeCircSetting;// Actual commit for writing, 4 bytes.booleaneeCircSettingChange=false;// Used for circumference setting before committing to save EEPROM writes.inteeTotalDistanceAddress=8;// EEPROM address for total distance.unsignedlongeeTotalDistance;// Actual commit for writing, 4 bytes.booleaneeTotalDistanceChange=false;// Used for total distance before committing to save EEPROM writes.inteeSessionTimeArray1Address=16;// EEPROM address for session time 1unsignedlongeeSessionTime1;// Actual commit for writing, 4 bytes.inteeSessionTimeArray2Address=20;// EEPROM address for session time 2unsignedlongeeSessionTime2;// Actual commit for writing, 4 bytes.inteeSessionTimeArray3Address=24;// EEPROM address for session time 3unsignedlongeeSessionTime3;// Actual commit for writing, 4 bytes.inteeSessionTimeArray4Address=28;// EEPROM address for session time 4unsignedlongeeSessionTime4;// Actual commit for writing, 4 bytes.inteeSessionTimeArray5Address=32;// EEPROM address for session time 5unsignedlongeeSessionTime5;// Actual commit for writing, 4 bytes.inteeSessionTimeArray6Address=36;// EEPROM address for session time 6unsignedlongeeSessionTime6;// Actual commit for writing, 4 bytes.inteeSessionTimeArray7Address=40;// EEPROM address for session time 7unsignedlongeeSessionTime7;// Actual commit for writing, 4 bytes.inteeSessionDistanceArray1Address=44;// EEPROM address for session distance 1unsignedinteeSessionDistance1;// Actual commit for writing, 4 bytes.inteeSessionDistanceArray2Address=48;// EEPROM address for session distance 2unsignedinteeSessionDistance2;// Actual commit for writing, 4 bytes.inteeSessionDistanceArray3Address=52;// EEPROM address for session distance 3unsignedinteeSessionDistance3;// Actual commit for writing, 4 bytes.inteeSessionDistanceArray4Address=56;// EEPROM address for session distance 4unsignedinteeSessionDistance4;// Actual commit for writing, 4 bytes.inteeSessionDistanceArray5Address=60;// EEPROM address for session distance 5unsignedinteeSessionDistance5;// Actual commit for writing, 4 bytes.inteeSessionDistanceArray6Address=64;// EEPROM address for session distance 6unsignedinteeSessionDistance6;// Actual commit for writing, 4 bytes.inteeSessionDistanceArray7Address=68;// EEPROM address for session distance 7unsignedinteeSessionDistance7;// Actual commit for writing, 4 bytes.booleaneeSessionChange=false;// Used for session time before committing to save EEPROM writes.inteeResetSettingAddress=72;// EEPROM address for master resetunsignedinteeResetSetting;// Actual commit for writing, 1 byte.booleaneeResetSettingChange=false;// Used for reset setting change before committing to save EEPROM writes.inteeSessionArrayPositionAddress=76;// EEPROM address for array position.unsignedinteeSessionArrayPosition;// Actual commit for writing, 4 bytes.// Average calculation variables.constintnumReadings=10;floatreadings[numReadings];// Latest Kph readings.intreadIndex=0;// The index of the current reading.floattotal=0.00;// The running total of the readings.floataverageKphSpeed=0.00;// The average speed.// Session time variables.unsignedlongsessionTimeCap=10;// Set cap for graph if statements.booleanrecordSessions=0;// Flag to trigger the recording of each session.volatilebooleansessionTimeFlag=0;// Flag to trigger the recording of each session.volatileunsignedlongsessionStartTime;// Time each pt session starts.unsignedlongsessionTimeArray[7];// Array for storing 7 sessions.bytesessionArrayPosition=0;// Array position, this is also used for the distance array position.volatileunsignedlongsessionTimeMillis;// Time each pt session in millis.volatileunsignedintsessionTime;// Time each pt session in minutes.unsignedintsessionTimeArray1;// These variables are needed for the Kris Kasprzak charts.unsignedintsessionTimeArray2;unsignedintsessionTimeArray3;unsignedintsessionTimeArray4;unsignedintsessionTimeArray5;unsignedintsessionTimeArray6;unsignedintsessionTimeArray7;// Session distance variables.unsignedintdistanceGraphCap=20;// Set cap for graph if statements.floatsessionStartDistance=0.00;floatsessionDistance;// Session distance.unsignedintdistanceTravelledArray[7];// Array for storing 7 sessions.unsignedintdistanceTravelledArray1;// These variables are needed for the Kris Kasprzak charts.unsignedintdistanceTravelledArray2;unsignedintdistanceTravelledArray3;unsignedintdistanceTravelledArray4;unsignedintdistanceTravelledArray5;unsignedintdistanceTravelledArray6;unsignedintdistanceTravelledArray7;// Battery measurement variables.#define sensitivity (4 / 1024.0) // Battery sensitivity setting.unsignedlongbatteryMeasureInterval=600000;// Battery measuring interval.unsignedlongbatteryMeasureNow;floatsensorValue;floatsensorValueVolts;floatsensorValuePerc;// Kris Kasprzak Variables.booleandial_1=true;// XPH dial.booleangraph_1=true;// Bar graph.booleangraph_2=true;booleangraph_3=true;booleangraph_4=true;booleangraph_5=true;booleangraph_6=true;booleangraph_7=true;booleangraph_8=true;// Bar graph.booleangraph_9=true;booleangraph_10=true;booleangraph_11=true;booleangraph_12=true;booleangraph_13=true;booleangraph_14=true;// Define colours.// http://www.barth-dev.de/online/rgb565-color-picker/#define LTBLUE 0xB6DF#define LTTEAL 0xBF5F#define LTGREEN 0xBFF7#define LTCYAN 0xC7FF#define LTRED 0xFD34#define LTMAGENTA 0xFD5F#define LTYELLOW 0xFFF8#define LTORANGE 0xFE73#define LTPINK 0xFDDF#define LTPURPLE 0xCCFF#define LTGREY 0xE71C#define BLUE 0x001F#define TEAL 0x0438#define GREEN 0x07E0#define CYAN 0x07FF#define RED 0xF800#define MAGENTA 0xF81F#define YELLOW 0xFFE0#define ORANGE 0xFD20#define PINK 0xF81F#define PURPLE 0x801F#define GREY 0xC618#define WHITE 0xFFFF#define BLACK 0x0000#define DKBLUE 0x000D#define DKTEAL 0x020C#define DKGREEN 0x03E0#define DKCYAN 0x03EF#define DKRED 0x6000#define DKMAGENTA 0x8008#define DKYELLOW 0x8400#define DKORANGE 0x8200#define DKPINK 0x9009#define DKPURPLE 0x4010#define DKGREY 0x4A49// Define fonts.#include<Fonts/FreeMonoBoldOblique12pt7b.h>#include<Fonts/FreeSans9pt7b.h>/*-----------------------------------------------------------------*/voidsetup(){// Set pin modes.pinMode(interruptMenuButton,INPUT_PULLUP);// Menu selection interrupt button.pinMode(interruptWakeButton,INPUT_PULLUP);// Wake up and sleep interrupt button.pinMode(interruptWheelSensor,INPUT_PULLUP);// Wheel sensor (REED switch).pinMode(bPlus,INPUT_PULLUP);// Menu button 1.pinMode(bMinus,INPUT_PULLUP);// Menu button 2.pinMode(lcdBackLightPin,OUTPUT);// Output for LCD back light.digitalWrite(lcdBackLightPin,HIGH);// Outout for LCD back light.// Configure interrupts.attachInterrupt(digitalPinToInterrupt(interruptMenuButton),screenMenuISR,FALLING);attachInterrupt(digitalPinToInterrupt(interruptWakeButton),wakeInterruptISR,FALLING);gpio_pin_wakeup_enable(GPIO_ID_PIN(interruptWakeButton),GPIO_PIN_INTR_LOLEVEL);attachInterrupt(digitalPinToInterrupt(interruptWheelSensor),rotationInterruptISR,FALLING);// Configure EEPROM.EEPROM.begin(512);EEPROM.get(eeResetSettingAddress,eeResetSetting);/* * * This line is used for initial ESP8266 power on from manufacture to set EEPROM, comment out once uploaded and re-upload. * * resetSystemDemoData(); */if(eeResetSetting==1){resetSystemData();}elseif(eeResetSetting==2){resetSystemDemoData();}// Load previous settings and last recorded data.EEPROM.get(eeMenuAddress,eeMenuSetting);EEPROM.get(eeCircAddress,eeCircSetting);EEPROM.get(eeMenuAddress,screenMenu);EEPROM.get(eeCircAddress,circumference);EEPROM.get(eeTotalDistanceAddress,distanceCounter);EEPROM.get(eeSessionArrayPositionAddress,sessionArrayPosition);EEPROM.commit();EEPROM.get(eeSessionTimeArray1Address,sessionTimeArray[0]);EEPROM.get(eeSessionTimeArray2Address,sessionTimeArray[1]);EEPROM.get(eeSessionTimeArray3Address,sessionTimeArray[2]);EEPROM.get(eeSessionTimeArray4Address,sessionTimeArray[3]);EEPROM.get(eeSessionTimeArray5Address,sessionTimeArray[4]);EEPROM.get(eeSessionTimeArray6Address,sessionTimeArray[5]);EEPROM.get(eeSessionTimeArray7Address,sessionTimeArray[6]);EEPROM.commit();sessionTimeArray1=sessionTimeArray[0]/1000/60;sessionTimeArray2=sessionTimeArray[1]/1000/60;sessionTimeArray3=sessionTimeArray[2]/1000/60;sessionTimeArray4=sessionTimeArray[3]/1000/60;sessionTimeArray5=sessionTimeArray[4]/1000/60;sessionTimeArray6=sessionTimeArray[5]/1000/60;sessionTimeArray7=sessionTimeArray[6]/1000/60;EEPROM.get(eeSessionDistanceArray1Address,distanceTravelledArray[0]);EEPROM.get(eeSessionDistanceArray2Address,distanceTravelledArray[1]);EEPROM.get(eeSessionDistanceArray3Address,distanceTravelledArray[2]);EEPROM.get(eeSessionDistanceArray4Address,distanceTravelledArray[3]);EEPROM.get(eeSessionDistanceArray5Address,distanceTravelledArray[4]);EEPROM.get(eeSessionDistanceArray6Address,distanceTravelledArray[5]);EEPROM.get(eeSessionDistanceArray7Address,distanceTravelledArray[6]);EEPROM.commit();distanceTravelledArray1=distanceTravelledArray[0];distanceTravelledArray2=distanceTravelledArray[1];distanceTravelledArray3=distanceTravelledArray[2];distanceTravelledArray4=distanceTravelledArray[3];distanceTravelledArray5=distanceTravelledArray[4];distanceTravelledArray6=distanceTravelledArray[5];distanceTravelledArray7=distanceTravelledArray[6];// Ensure menu position, circumference & array position are within parametres.if(screenMenu<0||screenMenu>4){screenMenu=0;}// Close if.if(circumference<0||circumference>2){circumference=1.0;}// Close if.if(sessionArrayPosition<0||sessionArrayPosition>6){sessionArrayPosition=0;}// Close if.// Initialise TFT display.tft.initR(INITR_BLACKTAB);// Init ST7735S chip, black tab.tft.setRotation(1);tft.setCursor(0,0);tft.fillScreen(ST77XX_BLACK);// Start up screen, hamster image.tft.fillScreen(ST77XX_WHITE);inth=80,w=112,row,col,buffidx=0;for(row=16;row<h;row++){// For each scanline.for(col=48;col<w;col++){// For each pixel, read from Flash Memory, since image is stored as uint16_t, pgm_read_word is used as it uses 16bit address.tft.drawPixel(col,row,pgm_read_word(startScreen+buffidx));buffidx++;}// End for loop.}// End for loop.tft.setFont(&FreeSans9pt7b);tft.setTextSize(1);tft.setTextColor(ST77XX_BLACK);tft.setCursor(55,105);tft.println("PetBit");delay(2000);tft.fillScreen(ST77XX_BLACK);// Configure rotation parametres.circImperial=circumference*0.62137;// convert metric to imperial for MPH calculations.// Blank speed & distance variables.rpm=0.00;speedKph=0.00;speedMph=0.00;maxKphSpeed=0.00;averageKphSpeed=0.00;sessionDistance=0.00;// Set average array to 0.for(intthisReading=0;thisReading<numReadings;thisReading++){readings[thisReading]=0;}// Set battery measuring period and check initial capacity.batteryMeasureNow=millis()-batteryMeasureInterval;// Set initial level so first measurement is made.batteryLevel();// Calculates battery level.batteryMeasureNow=millis();// Reset measurement to match interval.}// Close setup./*-----------------------------------------------------------------*/voidloop(){mainData();// Calculates main data.batteryLevel();// Calculates battery level.lcdBackLight();// Interrupt to disable back light.lightSleep();// Interrupt to send ESP to sleep.averageSpeed();// Calculate average speed.if(screenMenu==0){if(screenRedraw==1){tft.fillScreen(ST77XX_BLACK);screenRedraw=0;}// Close if.configurationDisplay();// Start up display.}// Close if.if(screenMenu==1){if(screenRedraw==1){tft.fillScreen(ST77XX_BLACK);screenRedraw=0;}// Close if.XphDialScreen(tft,80,64,60,0,20,2,210,speedKph,2,0,RED,WHITE,BLACK,"Xph",dial_1);// XPH dial screen function.}// Close if.if(screenMenu==2){if(screenRedraw==1){tft.fillScreen(ST77XX_BLACK);screenRedraw=0;}// Close if.CurrentExerciseScreen();// Current exercise screen.}// Close if.if(screenMenu==3){if(screenRedraw==1){tft.fillScreen(ST77XX_BLACK);screenRedraw=0;}// Close if.// Session time bar graphs.if(sessionTimeArray1<=10){ptSessionTimeV1(tft,1,110,8,80,0,10,1,sessionTimeArray1,3,0,CYAN,DKGREY,WHITE,WHITE,BLACK,"1",graph_1);}// Close if.else((ptSessionTimeV1(tft,1,110,8,80,0,10,1,sessionTimeCap,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"1",graph_1)));if(sessionTimeArray2<=10){ptSessionTimeV2(tft,21,110,8,80,0,10,1,sessionTimeArray2,3,0,CYAN,DKGREY,WHITE,WHITE,BLACK,"2",graph_2);}// Close if.else((ptSessionTimeV2(tft,21,110,8,80,0,10,1,sessionTimeCap,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"2",graph_2)));if(sessionTimeArray3<=10){ptSessionTimeV2(tft,41,110,8,80,0,10,1,sessionTimeArray3,3,0,CYAN,DKGREY,WHITE,WHITE,BLACK,"3",graph_3);}// Close if.else((ptSessionTimeV2(tft,41,110,8,80,0,10,1,sessionTimeCap,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"3",graph_3)));if(sessionTimeArray4<=10){ptSessionTimeV2(tft,61,110,8,80,0,10,1,sessionTimeArray4,3,0,CYAN,DKGREY,WHITE,WHITE,BLACK,"4",graph_4);}// Close if.else((ptSessionTimeV2(tft,61,110,8,80,0,10,1,sessionTimeCap,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"4",graph_4)));if(sessionTimeArray5<=10){ptSessionTimeV2(tft,81,110,8,80,0,10,1,sessionTimeArray5,3,0,CYAN,DKGREY,WHITE,WHITE,BLACK,"5",graph_5);}// Close if.else((ptSessionTimeV2(tft,81,110,8,80,0,10,1,sessionTimeCap,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"5",graph_5)));if(sessionTimeArray6<=10){ptSessionTimeV2(tft,101,110,8,80,0,10,1,sessionTimeArray6,3,0,CYAN,DKGREY,WHITE,WHITE,BLACK,"6",graph_6);}// Close if.else((ptSessionTimeV2(tft,101,110,8,80,0,10,1,sessionTimeCap,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"6",graph_6)));if(sessionTimeArray7<=10){ptSessionTimeV3(tft,121,110,8,80,0,10,1,sessionTimeArray7,3,0,CYAN,DKGREY,WHITE,WHITE,BLACK,"7",graph_7);}// Close if.else((ptSessionTimeV3(tft,121,110,8,80,0,10,1,sessionTimeCap,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"7",graph_7)));}// Close if.if(screenMenu==4){if(screenRedraw==1){tft.fillScreen(ST77XX_BLACK);screenRedraw=0;}// Close if.// Distance bar graphs.if(distanceTravelledArray1<=15){ptSessionDistanceV1(tft,1,110,8,80,0,20,2,distanceTravelledArray1,3,0,CYAN,DKGREY,WHITE,WHITE,BLACK,"1",graph_8);}// Close if.elseif(distanceTravelledArray1>=20){ptSessionDistanceV1(tft,1,110,8,80,0,20,2,distanceGraphCap,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"1",graph_8);}// Close else if.else((ptSessionDistanceV1(tft,1,110,8,80,0,20,2,distanceTravelledArray1,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"1",graph_8)));if(distanceTravelledArray2<=15){ptSessionDistanceV2(tft,21,110,8,80,0,20,2,distanceTravelledArray2,3,0,CYAN,DKGREY,WHITE,WHITE,BLACK,"2",graph_9);}// Close if.elseif(distanceTravelledArray2>=20){ptSessionDistanceV2(tft,21,110,8,80,0,20,2,distanceGraphCap,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"2",graph_9);}// Close else if.else((ptSessionDistanceV2(tft,21,110,8,80,0,20,2,distanceTravelledArray2,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"2",graph_9)));if(distanceTravelledArray3<=15){ptSessionDistanceV2(tft,41,110,8,80,0,20,2,distanceTravelledArray3,3,0,CYAN,DKGREY,WHITE,WHITE,BLACK,"3",graph_10);}// Close if.elseif(distanceTravelledArray3>=20){ptSessionDistanceV2(tft,41,110,8,80,0,20,2,distanceGraphCap,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"3",graph_10);}// Close else if.else((ptSessionDistanceV2(tft,41,110,8,80,0,20,2,distanceTravelledArray3,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"3",graph_10)));if(distanceTravelledArray4<=15){ptSessionDistanceV2(tft,61,110,8,80,0,20,2,distanceTravelledArray4,3,0,CYAN,DKGREY,WHITE,WHITE,BLACK,"4",graph_11);}// Close if.elseif(distanceTravelledArray4>=20){ptSessionDistanceV2(tft,61,110,8,80,0,20,2,distanceGraphCap,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"4",graph_11);}// Close else if.else((ptSessionDistanceV2(tft,61,110,8,80,0,20,2,distanceTravelledArray4,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"4",graph_11)));if(distanceTravelledArray5<=15){ptSessionDistanceV2(tft,81,110,8,80,0,20,2,distanceTravelledArray5,3,0,CYAN,DKGREY,WHITE,WHITE,BLACK,"5",graph_12);}// Close if.elseif(distanceTravelledArray5>=20){ptSessionDistanceV2(tft,81,110,8,80,0,20,2,distanceGraphCap,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"5",graph_12);}// Close else if.else((ptSessionDistanceV2(tft,81,110,8,80,0,20,2,distanceTravelledArray5,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"5",graph_12)));if(distanceTravelledArray6<=15){ptSessionDistanceV2(tft,101,110,8,80,0,20,2,distanceTravelledArray6,3,0,CYAN,DKGREY,WHITE,WHITE,BLACK,"6",graph_13);}// Close if.elseif(distanceTravelledArray6>=20){ptSessionDistanceV2(tft,101,110,8,80,0,20,2,distanceGraphCap,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"6",graph_13);}// Close else if.else((ptSessionDistanceV2(tft,101,110,8,80,0,20,2,distanceTravelledArray6,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"6",graph_13)));if(distanceTravelledArray7<=15){ptSessionDistanceV3(tft,121,110,8,80,0,20,2,distanceTravelledArray7,3,0,CYAN,DKGREY,WHITE,WHITE,BLACK,"7",graph_14);}// Close if.elseif(distanceTravelledArray7>=20){ptSessionDistanceV3(tft,121,110,8,80,0,20,2,distanceGraphCap,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"7",graph_14);}// Close else if.else((ptSessionDistanceV3(tft,121,110,8,80,0,20,2,distanceTravelledArray7,3,0,RED,DKGREY,WHITE,WHITE,BLACK,"7",graph_14)));}// Close if.// Check for new max speed.if(speedKph>maxKphSpeed){maxKphSpeed=speedKph;}// Close if.// Calculate average speed & remove any minus calculations.averageKphSpeed=total/numReadings;if(averageKphSpeed<0.99){averageKphSpeed=0.00;}// Close if.}// Close loop./*-----------------------------------------------------------------*/voidbatteryLevel(){if(millis()>=batteryMeasureNow+batteryMeasureInterval){// Battery voltage level detection.sensorValue=analogRead(A0);sensorValueVolts=sensorValue*sensitivity;// mapf(input_value, in_min, in_max, out_min, out_max).sensorValuePerc=mapf(sensorValueVolts,3.0,4.0,0,100);batteryMeasureNow=millis();}// Close if.}// Close function./*-----------------------------------------------------------------*/voidmainData(){// Set speed variables to "0.00" if the wheel doesnt turn for X period (currently 4000ms).if(lastRotation2<millis()){rpm=0.00;speedKph=0.00;speedMph=0.00;recordSessions=1;eeSessionChange=true;}// Close if.else{// Calculate current session time.sessionTimeMillis=millis()-sessionStartTime;sessionTime=sessionTimeMillis/10/60;}// Close else.// Ensure data is always "0" or greater, if not set to "0"if((rpm>=0)||(speedKph>=0)||(speedMph>=0)){}// Close if.else{rpm=0.00;speedKph=0.00;speedMph=0.00;}// Close else.if((sessionTimeFlag==1)&&(recordSessions==1)){// Calculate session duration.sessionTimeArray[sessionArrayPosition]=millis()-sessionStartTime;// Calculate last session time in millis & store into array.distanceTravelledArray[sessionArrayPosition]=distanceTravelled-sessionStartDistance;// Store distance travelled into array.if(eeSessionChange==true){switch(sessionArrayPosition){case0:sessionTimeArray1=sessionTimeArray[0]/1000/60;// Divided by 1000 for millis to seconds, then divided by 60 for minutes.distanceTravelledArray1=distanceTravelledArray[0];// Update chart data.EEPROM.put(eeSessionTimeArray1Address,sessionTimeArray[0]);// Record the chart data in EEPROM.EEPROM.put(eeSessionDistanceArray1Address,distanceTravelledArray[0]);// Record the chart data in EEPROM.EEPROM.commit();eeSessionChange=false;case1:sessionTimeArray2=sessionTimeArray[1]/1000/60;distanceTravelledArray2=distanceTravelledArray[1];EEPROM.put(eeSessionTimeArray2Address,sessionTimeArray[1]);EEPROM.put(eeSessionDistanceArray2Address,distanceTravelledArray[1]);EEPROM.commit();eeSessionChange=false;case2:sessionTimeArray3=sessionTimeArray[2]/1000/60;distanceTravelledArray3=distanceTravelledArray[2];EEPROM.put(eeSessionTimeArray3Address,sessionTimeArray[2]);EEPROM.put(eeSessionDistanceArray3Address,distanceTravelledArray[2]);EEPROM.commit();eeSessionChange=false;case3:sessionTimeArray4=sessionTimeArray[3]/1000/60;distanceTravelledArray4=distanceTravelledArray[3];EEPROM.put(eeSessionTimeArray4Address,sessionTimeArray[3]);EEPROM.put(eeSessionDistanceArray4Address,distanceTravelledArray[3]);EEPROM.commit();eeSessionChange=false;case4:sessionTimeArray5=sessionTimeArray[4]/1000/60;distanceTravelledArray5=distanceTravelledArray[4];EEPROM.put(eeSessionTimeArray5Address,sessionTimeArray[4]);EEPROM.put(eeSessionDistanceArray5Address,distanceTravelledArray[4]);EEPROM.commit();eeSessionChange=false;case5:sessionTimeArray6=sessionTimeArray[5]/1000/60;distanceTravelledArray6=distanceTravelledArray[5];EEPROM.put(eeSessionTimeArray6Address,sessionTimeArray[5]);EEPROM.put(eeSessionDistanceArray6Address,distanceTravelledArray[5]);EEPROM.commit();eeSessionChange=false;case6:sessionTimeArray7=sessionTimeArray[6]/1000/60;distanceTravelledArray7=distanceTravelledArray[6];EEPROM.put(eeSessionTimeArray7Address,sessionTimeArray[6]);EEPROM.put(eeSessionDistanceArray7Address,distanceTravelledArray[6]);EEPROM.commit();eeSessionChange=false;}// Close switch case.}// Close if.sessionArrayPosition++;// Increment sessionTimeArrayPosition.if(sessionArrayPosition>=7){// Check array position is within parametres.sessionArrayPosition=0;}// Close if.EEPROM.put(eeSessionArrayPositionAddress,sessionArrayPosition);// Record the next array position in EEPROM.EEPROM.commit();sessionTimeFlag=0;recordSessions=0;if(eeTotalDistanceChange==true){EEPROM.put(eeTotalDistanceAddress,distanceCounter);EEPROM.commit();eeTotalDistanceChange=false;}// Close if.}// Close if.// Calculate current session distance travelled.sessionDistance=distanceTravelled-sessionStartDistance;if(maxKphSpeed==0){// Reset start up session distance displayed to zero, otherwise it displays current total distance.sessionDistance=0;}// Close if.if(sessionTime==0){// Reset max speed.maxKphSpeed=0;}// Close if./* Configure speed varibales to the same format for screen layout using dtostrf. dtostrf(floatvar, StringLengthIncDecimalPoint, numVarsAfterDecimal, charbuf); where floatvar float variable. StringLengthIncDecimalPoint This is the length of the string that will be created. numVarsAfterDecimal The number of digits after the deimal point to print. charbuf The array to store the results*/dtostrf(rpm,6,2,rpmArray);dtostrf(speedKph,6,2,kphArray);dtostrf(speedMph,6,2,mphArray);dtostrf(maxKphSpeed,6,2,maxKphArray);dtostrf(averageKphSpeed,6,2,averageKphSpeedArray);dtostrf(sessionDistance,6,0,sessionDistanceArray);dtostrf(sessionTime,6,0,currentSessionTimeArray);}// Close function./*-----------------------------------------------------------------*/voidconfigurationDisplay(){// Drawing thicker rectangle with for loop, function, X, Y, W, H, colour.for(uint16_ta=0;a<2;a++){tft.drawRect(0+a,0+a,158,127,WHITE);}// Close for loop.EEPROM.get(eeMenuAddress,eeMenuSetting);EEPROM.get(eeCircAddress,eeCircSetting);EEPROM.get(eeResetSettingAddress,eeResetSetting);tft.setCursor(0,0);tft.setFont(&FreeSans9pt7b);tft.setTextSize(1);tft.setTextColor(ST77XX_WHITE);tft.setCursor(27,20);tft.println("Battery Level");tft.setFont();tft.setTextSize(1);tft.setTextColor(ST77XX_WHITE,ST77XX_BLACK);tft.setCursor(35,28);tft.print("V: ");tft.println(sensorValueVolts);tft.setCursor(35,38);tft.print("%: ");tft.println(int(sensorValuePerc));tft.println();if(sensorValuePerc>95){drawBatteryBitmap(27,90,ccBatt100,32,18);}elseif(sensorValuePerc>79&&sensorValuePerc<95){drawBatteryBitmap(27,90,ccBatt80,32,18);}elseif(sensorValuePerc>59&&sensorValuePerc<80){drawBatteryBitmap(27,90,ccBatt60,32,18);}elseif(sensorValuePerc>39&&sensorValuePerc<60){drawBatteryBitmap(27,90,ccBatt40,32,18);}elseif(sensorValuePerc>19&&sensorValuePerc<40){drawBatteryBitmap(27,90,ccBatt20,32,18);}elseif(sensorValuePerc<20){drawBatteryBitmap(27,90,ccBatt00,32,18);}tft.setFont(&FreeSans9pt7b);tft.setTextSize(1);tft.setTextColor(ST77XX_WHITE);tft.setCursor(27,65);tft.println("Configuration");tft.setFont();tft.setTextSize(1);tft.setTextColor(ST77XX_WHITE,ST77XX_BLACK);if(configurationFlag==3){tft.setTextColor(ST77XX_RED,ST77XX_BLACK);}// Close if.elsetft.setTextColor(ST77XX_WHITE,ST77XX_BLACK);tft.setCursor(15,70);tft.print("System Reset : ");tft.println(eeResetSetting);if(configurationFlag==2){tft.setTextColor(ST77XX_RED,ST77XX_BLACK);}// Close if.elsetft.setTextColor(ST77XX_WHITE,ST77XX_BLACK);tft.setCursor(15,80);tft.print("Circumference : ");tft.println(eeCircSetting);tft.println();tft.setCursor(15,90);if(configurationFlag==1){tft.setTextColor(ST77XX_RED,ST77XX_BLACK);}// Close if.elsetft.setTextColor(ST77XX_WHITE,ST77XX_BLACK);tft.print("Screen Menu Strt : ");tft.println(eeMenuSetting);tft.setCursor(15,105);tft.setTextColor(ST77XX_WHITE,ST77XX_BLACK);tft.print("Total Distance To Date");tft.setCursor(70,115);tft.println(distanceTravelled=distanceCounter*circumference);if(digitalRead(bPlus)==LOW&&(digitalRead(bMinus)==LOW)){if(configurationFlag==4){configurationFlag=0;}configurationFlag++;}// Close if.if(digitalRead(bPlus)==LOW&&configurationFlag==1){if(eeMenuSetting==4){eeMenuSetting=0;eeMenuSettingChange=true;}else{eeMenuSetting++;eeMenuSettingChange=true;}}// Close if.if(digitalRead(bMinus)==LOW&&configurationFlag==1){if(eeMenuSetting==0){eeMenuSetting=4;eeMenuSettingChange=true;}else{eeMenuSetting--;eeMenuSettingChange=true;}}// Close if.// Write menu setting to EEPROM.if(eeMenuSettingChange==true){EEPROM.put(eeMenuAddress,eeMenuSetting);EEPROM.commit();eeMenuSettingChange=false;}// Close if.if(digitalRead(bPlus)==LOW&&configurationFlag==2){if(eeCircSetting>2.00){eeCircSetting=0.00;eeCircSettingChange=true;}else{eeCircSetting=eeCircSetting+0.01;eeCircSettingChange=true;}}// Close if.if(digitalRead(bMinus)==LOW&&configurationFlag==2){if(eeCircSetting<0.00){eeCircSetting=2.00;eeCircSettingChange=true;}else{eeCircSetting=eeCircSetting-0.01;eeCircSettingChange=true;}}// Close if.// Write debug setting to EEPROM.if(eeCircSettingChange==true){EEPROM.put(eeCircAddress,eeCircSetting);EEPROM.commit();eeCircSettingChange=false;}// Close if.if(digitalRead(bPlus)==LOW&&configurationFlag==3){if(eeResetSetting==2){eeResetSetting=0;eeResetSettingChange=true;}else{eeResetSetting++;eeResetSettingChange=true;}}// Close if.if(digitalRead(bMinus)==LOW&&configurationFlag==3){if(eeResetSetting==0){eeResetSetting=2;eeResetSettingChange=true;}else{eeResetSetting--;eeResetSettingChange=true;}}// Close if.// Write menu setting to EEPROM.if(eeResetSettingChange==true){EEPROM.put(eeResetSettingAddress,eeResetSetting);EEPROM.commit();eeResetSettingChange=false;}// Close if.}// Close function./*-----------------------------------------------------------------*/voidCurrentExerciseScreen(){// Drawing thicker rectangle with Foor Loop, function, X, Y, W, H, colour.for(uint16_ta=0;a<2;a++){tft.drawRect(0+a,0+a,159,127,WHITE);}// Close for loop.tft.setFont(&FreeSans9pt7b);tft.setTextSize(1);tft.setTextColor(ST77XX_WHITE);tft.setCursor(14,20);tft.print("Current Session");tft.setTextSize(1);tft.setTextColor(ST77XX_WHITE);tft.setCursor(15,40);tft.print("Xph: ");tft.setCursor(15,60);tft.print("Ave: ");tft.setCursor(15,80);tft.print("Max: ");tft.setCursor(15,100);tft.print("Dis: ");tft.setCursor(15,120);tft.print("Time: ");tft.setFont();tft.setTextSize(2);tft.setTextColor(ST77XX_WHITE,ST77XX_BLACK);tft.setCursor(72,28);tft.println(kphArray);tft.setCursor(72,48);tft.println(averageKphSpeedArray);tft.setCursor(72,68);tft.println(maxKphArray);tft.setCursor(72,88);tft.println(sessionDistanceArray);tft.setCursor(72,108);tft.println(currentSessionTimeArray);}// Close function./*-----------------------------------------------------------------*/voidXphDialScreen(Adafruit_ST7735&Screen,intcx,intcy,intr,intloval,doublehival,doubleinc,doublesa,doublecurval,intdig,intdec,unsignedintneedlecolor,unsignedintdialcolor,unsignedinttextcolor,Stringlabel,boolean&redraw){doubleix,iy,ox,oy,tx,ty,lx,rx,ly,ry,i,offset,stepval,data,angle;doubledegtorad=.0174532778;staticdoublepx=cx,py=cy,pix=cx,piy=cy,plx=cx,ply=cy,prx=cx,pry=cy;// Draw the dial only one time--this will minimize flicker.if(redraw==true){redraw=false;Screen.fillCircle(cx,cy,r-2,dialcolor);Screen.drawCircle(cx,cy,r,needlecolor);Screen.drawCircle(cx,cy,r-1,needlecolor);Screen.setTextColor(textcolor,dialcolor);Screen.setTextSize(1);Screen.setFont(&FreeSans9pt7b);Screen.setCursor(cx-15,cy+30);Screen.println(label);Screen.setFont();}// Draw the current value.Screen.setTextSize(1);Screen.setTextColor(textcolor,dialcolor);Screen.setCursor(cx-7,cy+40);Screen.println(Format(curval,dig,dec));// Center the scale about the vertical axis--and use this to offset the needle, and scale text.offset=(270+sa/2)*degtorad;// Find the scale step value based on the hival low val and the scale sweep angle.// Deducting a small value to eliminate round off errors, this val may need to be adjusted.stepval=(inc)*(double(sa)/(double(hival-loval)))+.00;// Draw the scale and numbers, note draw this each time to repaint where the needle was.for(i=0;i<=sa;i+=stepval){angle=(i*degtorad);angle=offset-angle;ox=(r-2)*cos(angle)+cx;oy=(r-2)*sin(angle)+cy;ix=(r-10)*cos(angle)+cx;iy=(r-10)*sin(angle)+cy;tx=(r-10)*cos(angle)+cx;ty=(r-15)*sin(angle)+cy;Screen.drawLine(ox,oy,ix,iy,textcolor);Screen.setTextSize(1.5);Screen.setTextColor(textcolor,dialcolor);Screen.setCursor(tx-7,ty);data=hival-(i*(inc/stepval));Screen.println(Format(data,dig,dec));}// Compute and draw the needle.angle=(sa*(1-(((curval-loval)/(hival-loval)))));angle=angle*degtorad;angle=offset-angle;ix=(r-10)*cos(angle)+cx;iy=(r-10)*sin(angle)+cy;// Draw a triangle for the needle (compute and store 3 vertiticies).lx=5*cos(angle-90*degtorad)+cx;ly=5*sin(angle-90*degtorad)+cy;rx=5*cos(angle+90*degtorad)+cx;ry=5*sin(angle+90*degtorad)+cy;// First draw the previous needle in dial color to hide it, note draw performance for triangle is pretty bad.//d.fillTriangle (pix, piy, plx, ply, prx, pry, dialcolor);//d.fillTriangle (pix, piy, plx, ply, prx, pry, dialcolor);//d.fillTriangle (pix, piy, plx, ply, prx - 20, pry - 20, dialcolor);//d.fillTriangle (pix, piy, prx, pry, prx + 20, pry + 20, dialcolor);Screen.fillTriangle(pix,piy,plx,ply,prx,pry,dialcolor);Screen.drawTriangle(pix,piy,plx,ply,prx,pry,dialcolor);// Then draw the old needle in need color to display it.Screen.fillTriangle(ix,iy,lx,ly,rx,ry,needlecolor);Screen.drawTriangle(ix,iy,lx,ly,rx,ry,textcolor);// Draw a cute little dial center.Screen.fillCircle(cx,cy,8,textcolor);//Save all current to old so the previous dial can be hidden.pix=ix;piy=iy;plx=lx;ply=ly;prx=rx;pry=ry;}// Close function./*-----------------------------------------------------------------*/voidptSessionTimeV1(Adafruit_ST7735&Screen,doublex,doubley,doublew,doubleh,doubleloval,doublehival,doubleinc,doublecurval,intdig,intdec,unsignedintbarcolor,unsignedintvoidcolor,unsignedintbordercolor,unsignedinttextcolor,unsignedintbackcolor,Stringlabel,boolean&redraw){Screen.setFont(&FreeSans9pt7b);Screen.setTextSize(1);Screen.setTextColor(ST77XX_WHITE);Screen.setCursor(20,20);Screen.println("Session Times");Screen.setFont();doublestepval,range;doublemy,level;doublei,data;// draw the border, scale, and label once.// avoid doing this on every update to minimize flicker.if(redraw==true){redraw=false;Screen.drawRect(x-1,y-h-1,w+2,h+2,bordercolor);Screen.setTextColor(textcolor,backcolor);Screen.setTextSize(1);Screen.setCursor(x+2,y+7);Screen.println(label);// step val basically scales the hival and low val to the height// deducting a small value to eliminate round off errors// this val may need to be adjusted.stepval=(inc)*(double(h)/(double(hival-loval)))-0;for(i=0;i<=h;i+=stepval){my=y-h+i;Screen.drawFastHLine(x+w+1,my+1,5,textcolor);// draw lablesScreen.setTextSize(1);Screen.setTextColor(BLACK,backcolor);Screen.setCursor(x+w+12,my-3);data=hival-(i*(inc/stepval));Screen.println(Format(data,dig,dec));Screen.setFont();}}// compute level of bar graph that is scaled to the height and the hi and low vals// this is needed to accompdate for +/- rangelevel=(h*(((curval-loval)/(hival-loval))));// draw the bar graph// write a upper and lower bar to minimize flicker cause by blanking out bar and redraw on updateScreen.fillRect(x,y-h,w,h-level,voidcolor);Screen.fillRect(x,y-level+1,w,level,barcolor);// write the current value/* tft.setTextColor(textcolor, backcolor); tft.setTextSize(1); tft.setCursor(x , y - h - 23); tft.println(Format(curval, dig, dec)); */}// Close function./*-----------------------------------------------------------------*/voidptSessionTimeV2(Adafruit_ST7735&Screen,doublex,doubley,doublew,doubleh,doubleloval,doublehival,doubleinc,doublecurval,intdig,intdec,unsignedintbarcolor,unsignedintvoidcolor,unsignedintbordercolor,unsignedinttextcolor,unsignedintbackcolor,Stringlabel,boolean&redraw){doublestepval,range;doublemy,level;doublei,data;// draw the border, scale, and label once// avoid doing this on every update to minimize flickerif(redraw==true){redraw=false;Screen.drawRect(x-1,y-h-1,w+2,h+2,bordercolor);Screen.setTextColor(textcolor,backcolor);Screen.setTextSize(1);Screen.setCursor(x+2,y+7);Screen.println(label);// step val basically scales the hival and low val to the height// deducting a small value to eliminate round off errors// this val may need to be adjustedstepval=(inc)*(double(h)/(double(hival-loval)))-0;for(i=0;i<=h;i+=stepval){my=y-h+i;Screen.drawFastHLine(x+w+1,my+1,5,textcolor);// draw lablesScreen.setTextSize(1);Screen.setTextColor(BLACK,backcolor);Screen.setCursor(x+w+12,my-3);data=hival-(i*(inc/stepval));Screen.println(Format(data,dig,dec));}}// compute level of bar graph that is scaled to the height and the hi and low vals// this is needed to accompdate for +/- rangelevel=(h*(((curval-loval)/(hival-loval))));// draw the bar graph// write a upper and lower bar to minimize flicker cause by blanking out bar and redraw on updateScreen.fillRect(x,y-h,w,h-level,voidcolor);Screen.fillRect(x,y-level+1,w,level,barcolor);// write the current value/* tft.setTextColor(textcolor, backcolor); tft.setTextSize(1); tft.setCursor(x , y - h - 23); tft.println(Format(curval, dig, dec)); */}// Close function./*-----------------------------------------------------------------*/voidptSessionTimeV3(Adafruit_ST7735&Screen,doublex,doubley,doublew,doubleh,doubleloval,doublehival,doubleinc,doublecurval,intdig,intdec,unsignedintbarcolor,unsignedintvoidcolor,unsignedintbordercolor,unsignedinttextcolor,unsignedintbackcolor,Stringlabel,boolean&redraw){doublestepval,range;doublemy,level;doublei,data;// draw the border, scale, and label once// avoid doing this on every update to minimize flickerif(redraw==true){redraw=false;Screen.drawRect(x-1,y-h-1,w+2,h+2,bordercolor);Screen.setTextColor(textcolor,backcolor);Screen.setTextSize(1);Screen.setCursor(x+2,y+7);Screen.println(label);// step val basically scales the hival and low val to the height// deducting a small value to eliminate round off errors// this val may need to be adjustedstepval=(inc)*(double(h)/(double(hival-loval)))-0;for(i=0;i<=h;i+=stepval){my=y-h+i;Screen.drawFastHLine(x+w+1,my+1,5,textcolor);// draw lablesScreen.setTextSize(1);Screen.setTextColor(textcolor,backcolor);Screen.setCursor(x+w+12,my-3);data=hival-(i*(inc/stepval));Screen.println(Format(data,dig,dec));}}// compute level of bar graph that is scaled to the height and the hi and low vals// this is needed to accompdate for +/- rangelevel=(h*(((curval-loval)/(hival-loval))));// draw the bar graph// write a upper and lower bar to minimize flicker cause by blanking out bar and redraw on updateScreen.fillRect(x,y-h,w,h-level,voidcolor);Screen.fillRect(x,y-level+1,w,level,barcolor);// write the current value/* tft.setTextColor(textcolor, backcolor); tft.setTextSize(1); tft.setCursor(x , y - h - 23); tft.println(Format(curval, dig, dec)); */}// Close function./*-----------------------------------------------------------------*/voidptSessionDistanceV1(Adafruit_ST7735&Screen,doublex,doubley,doublew,doubleh,doubleloval,doublehival,doubleinc,doublecurval,intdig,intdec,unsignedintbarcolor,unsignedintvoidcolor,unsignedintbordercolor,unsignedinttextcolor,unsignedintbackcolor,Stringlabel,boolean&redraw){Screen.setFont(&FreeSans9pt7b);Screen.setTextSize(1);Screen.setTextColor(ST77XX_WHITE);Screen.setCursor(4,20);Screen.println("Session Distances");Screen.setFont();doublestepval,range;doublemy,level;doublei,data;// draw the border, scale, and label once.// avoid doing this on every update to minimize flicker.if(redraw==true){redraw=false;Screen.drawRect(x-1,y-h-1,w+2,h+2,bordercolor);Screen.setTextColor(textcolor,backcolor);Screen.setTextSize(1);Screen.setCursor(x+2,y+7);Screen.println(label);// step val basically scales the hival and low val to the height// deducting a small value to eliminate round off errors// this val may need to be adjusted.stepval=(inc)*(double(h)/(double(hival-loval)))-0;for(i=0;i<=h;i+=stepval){my=y-h+i;Screen.drawFastHLine(x+w+1,my,5,textcolor);// draw lablesScreen.setTextSize(1);Screen.setTextColor(BLACK,backcolor);Screen.setCursor(x+w+12,my-3);data=hival-(i*(inc/stepval));Screen.println(Format(data,dig,dec));Screen.setFont();}}// compute level of bar graph that is scaled to the height and the hi and low vals// this is needed to accompdate for +/- rangelevel=(h*(((curval-loval)/(hival-loval))));// draw the bar graph// write a upper and lower bar to minimize flicker cause by blanking out bar and redraw on updateScreen.fillRect(x,y-h,w,h-level,voidcolor);Screen.fillRect(x,y-level+1,w,level,barcolor);// write the current value/* tft.setTextColor(textcolor, backcolor); tft.setTextSize(1); tft.setCursor(x , y - h - 23); tft.println(Format(curval, dig, dec)); */}// Close function./*-----------------------------------------------------------------*/voidptSessionDistanceV2(Adafruit_ST7735&Screen,doublex,doubley,doublew,doubleh,doubleloval,doublehival,doubleinc,doublecurval,intdig,intdec,unsignedintbarcolor,unsignedintvoidcolor,unsignedintbordercolor,unsignedinttextcolor,unsignedintbackcolor,Stringlabel,boolean&redraw){doublestepval,range;doublemy,level;doublei,data;// draw the border, scale, and label once// avoid doing this on every update to minimize flickerif(redraw==true){redraw=false;Screen.drawRect(x-1,y-h-1,w+2,h+2,bordercolor);Screen.setTextColor(textcolor,backcolor);Screen.setTextSize(1);Screen.setCursor(x+2,y+7);Screen.println(label);// step val basically scales the hival and low val to the height// deducting a small value to eliminate round off errors// this val may need to be adjustedstepval=(inc)*(double(h)/(double(hival-loval)))-0;for(i=0;i<=h;i+=stepval){my=y-h+i;Screen.drawFastHLine(x+w+1,my,5,textcolor);// draw lablesScreen.setTextSize(1);Screen.setTextColor(BLACK,backcolor);Screen.setCursor(x+w+12,my-3);data=hival-(i*(inc/stepval));Screen.println(Format(data,dig,dec));}}// compute level of bar graph that is scaled to the height and the hi and low vals// this is needed to accompdate for +/- rangelevel=(h*(((curval-loval)/(hival-loval))));// draw the bar graph// write a upper and lower bar to minimize flicker cause by blanking out bar and redraw on updateScreen.fillRect(x,y-h,w,h-level,voidcolor);Screen.fillRect(x,y-level+1,w,level,barcolor);// write the current value/* tft.setTextColor(textcolor, backcolor); tft.setTextSize(1); tft.setCursor(x , y - h - 23); tft.println(Format(curval, dig, dec)); */}// Close function./*-----------------------------------------------------------------*/voidptSessionDistanceV3(Adafruit_ST7735&Screen,doublex,doubley,doublew,doubleh,doubleloval,doublehival,doubleinc,doublecurval,intdig,intdec,unsignedintbarcolor,unsignedintvoidcolor,unsignedintbordercolor,unsignedinttextcolor,unsignedintbackcolor,Stringlabel,boolean&redraw){doublestepval,range;doublemy,level;doublei,data;// draw the border, scale, and label once// avoid doing this on every update to minimize flickerif(redraw==true){redraw=false;Screen.drawRect(x-1,y-h-1,w+2,h+2,bordercolor);Screen.setTextColor(textcolor,backcolor);Screen.setTextSize(1);Screen.setCursor(x+2,y+7);Screen.println(label);// step val basically scales the hival and low val to the height// deducting a small value to eliminate round off errors// this val may need to be adjustedstepval=(inc)*(double(h)/(double(hival-loval)))-0;for(i=0;i<=h;i+=stepval){my=y-h+i;Screen.drawFastHLine(x+w+1,my,5,textcolor);// draw lablesScreen.setTextSize(1);Screen.setTextColor(textcolor,backcolor);Screen.setCursor(x+w+7,my-3);data=hival-(i*(inc/stepval));Screen.println(Format(data,dig,dec));}}// compute level of bar graph that is scaled to the height and the hi and low vals// this is needed to accompdate for +/- rangelevel=(h*(((curval-loval)/(hival-loval))));// draw the bar graph// write a upper and lower bar to minimize flicker cause by blanking out bar and redraw on updateScreen.fillRect(x,y-h,w,h-level,voidcolor);Screen.fillRect(x,y-level+1,w,level,barcolor);// write the current value/* tft.setTextColor(textcolor, backcolor); tft.setTextSize(1); tft.setCursor(x , y - h - 23); tft.println(Format(curval, dig, dec)); */}// Close function./*-----------------------------------------------------------------*/StringFormat(doubleval,intdec,intdig){intaddpad=0;charsbuf[20];Stringcondata=(dtostrf(val,dec,dig,sbuf));intslen=condata.length();for(addpad=1;addpad<=dec+dig-slen;addpad++){condata=" "+condata;}return(condata);}// Close function./*-----------------------------------------------------------------*/voidaverageSpeed(){// Subtract the last reading.total=total-readings[readIndex];// Get latest Kph.readings[readIndex]=speedKph;// Add the reading to the total.total=total+readings[readIndex];// Advance to the next position in the average array.readIndex=readIndex+1;// If we're at the end of the array.if(readIndex>=numReadings){readIndex=0;}// Close if.}// Close function./*-----------------------------------------------------------------*/voidlcdBackLight(){if(displayBackLight==0){digitalWrite(lcdBackLightPin,LOW);}// Close if.elsedigitalWrite(lcdBackLightPin,HIGH);}// Close function./*-----------------------------------------------------------------*/ICACHE_RAM_ATTRvoidscreenMenuISR(){staticunsignedlonglast_interrupt_time=0;// Function to solve debounceunsignedlonginterrupt_time=millis();if(interrupt_time-last_interrupt_time>800){detachInterrupt(interruptMenuButton);if(screenMenu==0){screenMenu=1;dial_1=true;screenRedraw=1;}// Close if.elseif(screenMenu==1){screenMenu=2;screenRedraw=1;configurationFlag=0;}// Close elseelseif(screenMenu==2){screenMenu=3;graph_1=true;graph_2=true;graph_3=true;graph_4=true;graph_5=true;graph_6=true;graph_7=true;screenRedraw=1;}// Close elseelseif(screenMenu==3){screenMenu=4;graph_8=true;graph_9=true;graph_10=true;graph_11=true;graph_12=true;graph_13=true;graph_14=true;screenRedraw=1;}// Close elseelseif(screenMenu==4){screenMenu=0;screenRedraw=1;}// Close else}// Close if.attachInterrupt(digitalPinToInterrupt(interruptMenuButton),screenMenuISR,FALLING);last_interrupt_time=interrupt_time;}// Close function./*-----------------------------------------------------------------*/ICACHE_RAM_ATTRvoidwakeInterruptISR(){staticunsignedlonglast_interrupt_time=0;// Function to solve debounceunsignedlonginterrupt_time=millis();if(interrupt_time-last_interrupt_time>50){if(wakeInterrupt==1){wakeInterrupt=0;displayBackLight=0;}// Close if.else(wakeInterrupt=1,displayBackLight=1);// Close else.}// Close if.last_interrupt_time=interrupt_time;}// Close function./*-----------------------------------------------------------------*/ICACHE_RAM_ATTRvoidrotationInterruptISR(){staticunsignedlonglast_interrupt_time=0;// Function to solve debounceunsignedlonginterrupt_time=millis();if(interrupt_time-last_interrupt_time>100){detachInterrupt(interruptWheelSensor);passedTime=millis()-startTime;startTime=millis();rpm=(60000*circumference)/passedTime;// Revs per minute.speedKph=(3600*circumference)/passedTime;// km/h.speedMph=(3600*circImperial)/passedTime;// Miles per hour.distanceCounter++;eeTotalDistanceChange=true;distanceTravelled=distanceCounter*circumference;if(sessionTimeFlag==0){// Set session timer to start.sessionTimeFlag=1;sessionStartTime=millis();sessionStartDistance=distanceTravelled;recordSessions=0;}// Close if.lastRotation1=millis();lastRotation2=lastRotation1+4000;attachInterrupt(digitalPinToInterrupt(interruptWheelSensor),rotationInterruptISR,FALLING);}// Close if.last_interrupt_time=interrupt_time;}// Close function./*-----------------------------------------------------------------*/voidlightSleep(){if(wakeInterrupt==0){wifi_station_disconnect();wifi_set_opmode_current(NULL_MODE);wifi_fpm_set_sleep_type(LIGHT_SLEEP_T);wifi_fpm_open();// Enables force sleepwifi_fpm_do_sleep(FPM_SLEEP_MAX_TIME);// Sleep for longest possible timedelay(200);}// Close if.else{}// Do nothing}// Close function./*-----------------------------------------------------------------*/voiddrawBatteryBitmap(intx,inty,constuint16_t*bitmap,intbw,intbh){//int h = 64, w = 64, row, col, buffidx = 0;intbuffidx=0;introw;intcol;intw=bw+y;inth=bh+x;for(row=x;row<h;row++){// For each scanline...for(col=y;col<w;col++){// For each pixel...//To read from Flash Memory, pgm_read_XXX is required.//Since image is stored as uint16_t, pgm_read_word is used as it uses 16bit addresstft.drawPixel(col,row,pgm_read_word(bitmap+buffidx));buffidx++;}// end pixel}}// Close function./*-----------------------------------------------------------------*/voidresetSystemData(){eeMenuSetting=0;EEPROM.put(eeMenuAddress,eeMenuSetting);EEPROM.commit();eeCircSetting=1.00;EEPROM.put(eeCircAddress,eeCircSetting);EEPROM.commit();eeTotalDistance=0.00;EEPROM.put(eeTotalDistanceAddress,eeTotalDistance);EEPROM.commit();eeSessionArrayPosition=0;EEPROM.put(eeSessionArrayPositionAddress,eeSessionArrayPosition);EEPROM.put(eeSessionTimeArray1Address,0);// Populate arrays with zero data.EEPROM.put(eeSessionTimeArray2Address,0);EEPROM.put(eeSessionTimeArray3Address,0);EEPROM.put(eeSessionTimeArray4Address,0);EEPROM.put(eeSessionTimeArray5Address,0);EEPROM.put(eeSessionTimeArray6Address,0);EEPROM.put(eeSessionTimeArray7Address,0);EEPROM.commit();EEPROM.put(eeSessionDistanceArray1Address,0);EEPROM.put(eeSessionDistanceArray2Address,0);EEPROM.put(eeSessionDistanceArray3Address,0);EEPROM.put(eeSessionDistanceArray4Address,0);EEPROM.put(eeSessionDistanceArray5Address,0);EEPROM.put(eeSessionDistanceArray6Address,0);EEPROM.put(eeSessionDistanceArray7Address,0);EEPROM.commit();eeResetSetting=0;EEPROM.put(eeResetSettingAddress,0);EEPROM.commit();EEPROM.get(eeMenuAddress,eeMenuSetting);EEPROM.get(eeCircAddress,eeCircSetting);EEPROM.get(eeMenuAddress,screenMenu);EEPROM.get(eeCircAddress,circumference);EEPROM.get(eeTotalDistanceAddress,distanceCounter);EEPROM.commit();EEPROM.get(eeSessionTimeArray1Address,sessionTimeArray[0]);EEPROM.get(eeSessionTimeArray2Address,sessionTimeArray[1]);EEPROM.get(eeSessionTimeArray3Address,sessionTimeArray[2]);EEPROM.get(eeSessionTimeArray4Address,sessionTimeArray[3]);EEPROM.get(eeSessionTimeArray5Address,sessionTimeArray[4]);EEPROM.get(eeSessionTimeArray6Address,sessionTimeArray[5]);EEPROM.get(eeSessionTimeArray7Address,sessionTimeArray[6]);EEPROM.commit();sessionTimeArray1=sessionTimeArray[0]/1000/60;// Times to be updated, needs to be divided by 1000.sessionTimeArray2=sessionTimeArray[1]/1000/60;sessionTimeArray3=sessionTimeArray[2]/1000/60;sessionTimeArray4=sessionTimeArray[3]/1000/60;sessionTimeArray5=sessionTimeArray[4]/1000/60;sessionTimeArray6=sessionTimeArray[5]/1000/60;sessionTimeArray7=sessionTimeArray[6]/1000/60;EEPROM.get(eeSessionDistanceArray1Address,distanceTravelledArray[0]);EEPROM.get(eeSessionDistanceArray2Address,distanceTravelledArray[1]);EEPROM.get(eeSessionDistanceArray3Address,distanceTravelledArray[2]);EEPROM.get(eeSessionDistanceArray4Address,distanceTravelledArray[3]);EEPROM.get(eeSessionDistanceArray5Address,distanceTravelledArray[4]);EEPROM.get(eeSessionDistanceArray6Address,distanceTravelledArray[5]);EEPROM.get(eeSessionDistanceArray7Address,distanceTravelledArray[6]);EEPROM.commit();distanceTravelledArray1=distanceTravelledArray[0];distanceTravelledArray2=distanceTravelledArray[1];distanceTravelledArray3=distanceTravelledArray[2];distanceTravelledArray4=distanceTravelledArray[3];distanceTravelledArray5=distanceTravelledArray[4];distanceTravelledArray6=distanceTravelledArray[5];distanceTravelledArray7=distanceTravelledArray[6];}// Close function./*-----------------------------------------------------------------*/voidresetSystemDemoData(){eeMenuSetting=0;EEPROM.put(eeMenuAddress,eeMenuSetting);EEPROM.commit();eeCircSetting=0.75;EEPROM.put(eeCircAddress,eeCircSetting);EEPROM.commit();eeTotalDistance=5000.00;EEPROM.put(eeTotalDistanceAddress,eeTotalDistance);EEPROM.commit();eeSessionArrayPosition=0;EEPROM.put(eeSessionArrayPositionAddress,eeSessionArrayPosition);EEPROM.put(eeSessionTimeArray1Address,240000);// Populate arrays with demo data.EEPROM.put(eeSessionTimeArray2Address,300000);EEPROM.put(eeSessionTimeArray3Address,360000);EEPROM.put(eeSessionTimeArray4Address,420000);EEPROM.put(eeSessionTimeArray5Address,480000);EEPROM.put(eeSessionTimeArray6Address,540000);EEPROM.put(eeSessionTimeArray7Address,660000);EEPROM.commit();EEPROM.put(eeSessionDistanceArray1Address,8);EEPROM.put(eeSessionDistanceArray2Address,10);EEPROM.put(eeSessionDistanceArray3Address,12);EEPROM.put(eeSessionDistanceArray4Address,14);EEPROM.put(eeSessionDistanceArray5Address,16);EEPROM.put(eeSessionDistanceArray6Address,18);EEPROM.put(eeSessionDistanceArray7Address,20);EEPROM.commit();eeResetSetting=0;EEPROM.put(eeResetSettingAddress,0);EEPROM.commit();EEPROM.get(eeMenuAddress,eeMenuSetting);EEPROM.get(eeCircAddress,eeCircSetting);EEPROM.get(eeMenuAddress,screenMenu);EEPROM.get(eeCircAddress,circumference);EEPROM.get(eeTotalDistanceAddress,distanceCounter);EEPROM.commit();EEPROM.get(eeSessionTimeArray1Address,sessionTimeArray[0]);EEPROM.get(eeSessionTimeArray2Address,sessionTimeArray[1]);EEPROM.get(eeSessionTimeArray3Address,sessionTimeArray[2]);EEPROM.get(eeSessionTimeArray4Address,sessionTimeArray[3]);EEPROM.get(eeSessionTimeArray5Address,sessionTimeArray[4]);EEPROM.get(eeSessionTimeArray6Address,sessionTimeArray[5]);EEPROM.get(eeSessionTimeArray7Address,sessionTimeArray[6]);EEPROM.commit();sessionTimeArray1=sessionTimeArray[0]/100/60;// Times to be updated, needs to be divided by 1000.sessionTimeArray2=sessionTimeArray[1]/100/60;sessionTimeArray3=sessionTimeArray[2]/100/60;sessionTimeArray4=sessionTimeArray[3]/100/60;sessionTimeArray5=sessionTimeArray[4]/100/60;sessionTimeArray6=sessionTimeArray[5]/100/60;sessionTimeArray7=sessionTimeArray[6]/100/60;EEPROM.get(eeSessionDistanceArray1Address,distanceTravelledArray[0]);EEPROM.get(eeSessionDistanceArray2Address,distanceTravelledArray[1]);EEPROM.get(eeSessionDistanceArray3Address,distanceTravelledArray[2]);EEPROM.get(eeSessionDistanceArray4Address,distanceTravelledArray[3]);EEPROM.get(eeSessionDistanceArray5Address,distanceTravelledArray[4]);EEPROM.get(eeSessionDistanceArray6Address,distanceTravelledArray[5]);EEPROM.get(eeSessionDistanceArray7Address,distanceTravelledArray[6]);EEPROM.commit();distanceTravelledArray1=distanceTravelledArray[0];distanceTravelledArray2=distanceTravelledArray[1];distanceTravelledArray3=distanceTravelledArray[2];distanceTravelledArray4=distanceTravelledArray[3];distanceTravelledArray5=distanceTravelledArray[4];distanceTravelledArray6=distanceTravelledArray[5];distanceTravelledArray7=distanceTravelledArray[6];}// Close function./*-----------------------------------------------------------------*/
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