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Resistor.ino
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#include <TFT_eSPI.h>
#include "resistor.h"
/*
* Screen Size: 240x320
*
* Modify User_Setup.h
*
* #define ILI9341_DRIVER
*
* #define TFT_MISO 25
* #define TFT_MOSI 23
* #define TFT_SCLK 26
* #define TFT_CS 19 // Chip select control pin
* #define TFT_DC 22 // Data Command control pin
* #define TFT_RST 21 // Reset pin
*
*
*
*/
const int pwmFreq = 5000;
const int pwmResolution = 8;
const int pwmLedChannelTFT = 0;
const int valueBox_x = 86;
const int valueBox_y = 110;
const int toleranceSelector_x = 86;
const int bandSelectorLabel_w = 16;
TFT_eSPI tft = TFT_eSPI();
int tt[4]={1,2,5,10};
int cT[4]={TFT_BROWN,TFT_RED,TFT_GOLD,TFT_SILVER};
int colors[12]={TFT_BLACK,TFT_BROWN,TFT_RED,TFT_ORANGE,TFT_YELLOW,TFT_GREEN,TFT_BLUE,TFT_VIOLET,TFT_LIGHTGREY, TFT_WHITE, TFT_GOLD,TFT_SILVER };
double multis[12]={1,10,100,1000,10000,100000,1000000,10000000,100000000,1000000000,0.1,0.01};
String mm[12]={"x1","x10","x100","x1K","x10K","x100K","x1M","x10M","x100M","x1G","x0.1","x0.01"};
int band=0;
int color=0;
int first=1;
int secon=2;
int multiplier=1;
int tolerance=2;
int deb1=0;
int deb2=0;
int x=86;
int y=32;
int w=126;
int h=20;
int bPos[4]={x+45,x+57,x+69,x+97};
int buttonPressed = false;
unsigned long debounce;
void setup() {
debounce = millis();
touchAttachInterrupt(14, upbutton, 40); // UP - threshold 40
touchAttachInterrupt(13, downbutton, 40); // DOWN - threshold 40
touchAttachInterrupt(12, rightbutton, 40); // RIGHT - threshold 40
touchAttachInterrupt(27, leftbutton, 40); // LEFT - threshold 40
touchAttachInterrupt(15, triggerbutton, 40); // TRIGGER - threshold 40
pinMode(0,INPUT_PULLUP);
pinMode(35,INPUT_PULLUP);
//ledcSetup(pwmLedChannelTFT, pwmFreq, pwmResolution);
//ledcAttachPin(TFT_BL, pwmLedChannelTFT);
//ledcWrite(pwmLedChannelTFT, 100);
tft.init();
tft.setSwapBytes(true);
tft.setRotation(3); // rotate 3*(pi/2)
tft.fillScreen(TFT_BLACK);
tft.drawString("Resistor CALCULATOR",x,0,2);
/* Draw resistor image */
tft.pushImage(x,y,148,60,resistor);
/* Initial Resistor Bands */
tft.fillRect(bPos[0],y+10,6,40,colors[first]);
tft.fillRect(bPos[1],y+10,6,40,colors[secon]);
tft.fillRect(bPos[2],y+10,6,40,colors[multiplier]);
tft.fillRect(bPos[3],y+10,6,40,cT[tolerance]);
/* Initial band selection indicator */
tft.fillCircle(bPos[band]+2,y + 60,4,TFT_WHITE);
for(int i=0;i<12;i++)
{
if(i<10){
//tft.fillRect(0,i*13,11,13,colors[i]); // Band 1 Color Box
//tft.fillRect(22,i*13,11,13,colors[i]); // Band 2 Color Box
tft.fillRect(0,i*24,bandSelectorLabel_w,24,colors[i]); // Band 1 Color Box
tft.fillRect(22+bandSelectorLabel_w,i*24,bandSelectorLabel_w,24,colors[i]); // Band 2 Color Box
if(i==0)
tft.setTextColor(TFT_WHITE,colors[i]);
else
tft.setTextColor(TFT_BLACK,colors[i]);
tft.drawString(String(i),5,(i*24)+2,2);
tft.drawString(String(i),27 + bandSelectorLabel_w,(i*24)+2,2);
// Draw Multiplier
tft.setTextColor(TFT_WHITE,TFT_BLACK);
}
if(i==0)
tft.drawCircle(310,(i*19) + bandSelectorLabel_w,8,TFT_WHITE);
else
tft.fillCircle(310,(i*19)+ bandSelectorLabel_w,8,colors[i]);
tft.drawString(mm[i],265,(i*19)+12);
}
/*
tft.drawString("<",14,(first*13)+2);
tft.drawString("<",36,(secon*13)+2);
*/
tft.fillCircle(20,(first*24)+12,3,TFT_WHITE); // Band 1 indicator
tft.fillCircle(42 + bandSelectorLabel_w,(secon*24)+12,3,TFT_WHITE); // Band 2 indicator
tft.fillCircle(252,(multiplier*19)+15,3,TFT_WHITE); // Initial Multiplier indicator
// draw tolerance % boxes
for(int i=0;i<4;i++){
tft.fillRect(toleranceSelector_x + (i*37),217,37,11,cT[i]);
tft.setTextColor(TFT_BLACK,cT[i]);
tft.drawString(String(tt[i])+"%",toleranceSelector_x + 10 +(i*37),219);
}
tft.fillCircle(toleranceSelector_x + 17 +(tolerance*37),233,2,TFT_WHITE);
tft.setTextColor(TFT_WHITE,TFT_BLACK);
}
void loop() {
if (buttonPressed) {
double res=((first*10)+secon)*multis[multiplier];
tft.fillRect(valueBox_x,valueBox_y,148,96,0x00A5);
double maxx=res+(res*(tt[tolerance]/100.00));
double minn=res-(res*(tt[tolerance]/100.00));
tft.setTextColor(TFT_WHITE,0x00A5);
if(res>=1000 && res<1000000){
tft.drawString(String(res/1000)+" K",valueBox_x + 2,valueBox_y + 6, 4);
tft.drawString(String(first)+String(secon)+"x10",valueBox_x + 2,valueBox_y + 50, 2);
tft.drawString(String(multiplier),valueBox_x + 37,valueBox_y + 45); // Super script
tft.drawString("MAX:"+String(maxx),valueBox_x + 2,valueBox_y + 70);
tft.drawString("MIN:"+String(minn),valueBox_x + 2,valueBox_y + 82);
}
else if(res>=1000000 && res<1000000000)
{
tft.drawString(String(res/1000000)+" M",valueBox_x + 2,valueBox_y + 6, 4);
tft.drawString(String(first)+String(secon)+"x10",valueBox_x + 2,valueBox_y + 50, 2);
tft.drawString(String(multiplier),valueBox_x + 37,valueBox_y + 45); // Super script
tft.drawString("MAX:"+String(maxx),valueBox_x + 2,valueBox_y + 70);
tft.drawString("MIN:"+String(minn),valueBox_x + 2,valueBox_y + 82);
}
else if(res>=1000000000)
{
tft.drawString(String(res/1000000000)+" G",valueBox_x + 2,valueBox_y + 6, 4);
tft.drawString(String(first)+String(secon)+"x10",valueBox_x + 2,valueBox_y + 50, 2);
tft.drawString(String(multiplier),valueBox_x + 37,valueBox_y + 45); // Super script
tft.drawString("MAX:"+String(maxx),valueBox_x + 2,valueBox_y + 70);
tft.drawString("MIN:"+String(minn),valueBox_x + 2,valueBox_y + 82);
}
else
{
tft.drawString(String(res)+" ohm",valueBox_x + 2,valueBox_y + 6, 4);
tft.drawString(String(first)+String(secon)+"x10",valueBox_x + 2,valueBox_y + 50, 2);
tft.drawString(String(multiplier),valueBox_x + 37,valueBox_y + 45); // Super script
tft.drawString("MAX:"+String(maxx),valueBox_x + 2,valueBox_y + 70);
tft.drawString("MIN:"+String(minn),valueBox_x + 2,valueBox_y + 82);
}
tft.setTextColor(TFT_WHITE,TFT_BLACK);
buttonPressed = false;
}
}
void upbutton() {
if ((millis() - debounce) > 200)
{
debounce = millis();
buttonPressed = true;
if(band==0)
{
tft.fillCircle(20,(first*24)+12,3,TFT_BLACK);
first--;
if(first<0) {
first=9;
}
tft.fillRect(bPos[band],y+10,6,40,colors[first]);
tft.fillCircle(20,(first*24)+12,3,TFT_WHITE);
}
if(band==1)
{
tft.fillCircle(42 + bandSelectorLabel_w,(secon*24)+12,3,TFT_BLACK);
secon--;
if(secon<0){
secon=9;
}
tft.fillRect(bPos[band],y+10,6,40,colors[secon]);
tft.fillCircle(42 + bandSelectorLabel_w,(secon*24)+12,3,TFT_WHITE);
}
if(band==2)
{
tft.fillCircle(252,(multiplier*19)+15,3,TFT_BLACK);
multiplier--;
if(multiplier<0){
multiplier=11;
}
tft.fillRect(bPos[band],y+10,6,40,colors[multiplier]);
tft.fillCircle(252,(multiplier*19)+15,3,TFT_WHITE);
}
if(band==3)
{
tft.fillCircle(toleranceSelector_x + 17 +(tolerance*37),233,2,TFT_BLACK);
tolerance++;
if(tolerance>3) {
tolerance=0;
}
tft.fillRect(bPos[band],y+10,6,40,cT[tolerance]);
tft.fillCircle(toleranceSelector_x + 17 +(tolerance*37),233,2,TFT_WHITE);
}
}
}
void downbutton() {
if ((millis() - debounce) > 200)
{
debounce = millis();
buttonPressed = true;
if(band==0)
{
tft.fillCircle(20,(first*24)+12,3,TFT_BLACK);
first++;
if(first>9) {
first=0;
}
tft.fillCircle(20,(first*24)+12,3,TFT_WHITE);
tft.fillRect(x+45,y+10,6,40,colors[first]);
}
if(band==1)
{
tft.fillCircle(42 + bandSelectorLabel_w,(secon*24)+12,3,TFT_BLACK);
secon++;
if(secon>9){
secon=0;
}
tft.fillCircle(42 + bandSelectorLabel_w,(secon*24)+12,3,TFT_WHITE);
tft.fillRect(x+57,y+10,6,40,colors[secon]);
}
if(band==2)
{
tft.fillCircle(252,(multiplier*19)+15,3,TFT_BLACK);
multiplier++;
if(multiplier>11){
multiplier=0;
}
tft.fillCircle(252,(multiplier*19)+15,3,TFT_WHITE);
tft.fillRect(x+69,y+10,6,40,colors[multiplier]);
}
if(band==3)
{
tft.fillCircle(toleranceSelector_x + 17 +(tolerance*37),233,2,TFT_BLACK);
tolerance--;
if(tolerance<0) {
tolerance=3;
}
tft.fillCircle(toleranceSelector_x + 17 +(tolerance*37),233,2,TFT_WHITE);
tft.fillRect(x+97,y+10,6,40,cT[tolerance]);
}
}
}
void leftbutton() {
buttonPressed = true;
if ((millis() - debounce) > 200)
{
debounce = millis();
buttonPressed = true;
tft.fillCircle(bPos[band]+2,y + 60,4,TFT_BLACK);
deb1=1;
band--;
if(band<0)
band=3;
tft.fillCircle(bPos[band]+2,y + 60,4,TFT_WHITE);
}
}
void rightbutton() {
buttonPressed = true;
if ((millis() - debounce) > 200)
{
debounce = millis();
buttonPressed = true;
tft.fillCircle(bPos[band]+2,y + 60,4,TFT_BLACK);
deb1=1;
band++;
if(band>3)
band=0;
tft.fillCircle(bPos[band]+2,y + 60,4,TFT_WHITE);
}
}
void triggerbutton() {
}