// STM32 Blue Pill SPI LCD Example
// Simulation: https://wokwi.com/projects/374780854731040769

#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"

#define TFT_DC PB7
#define TFT_CS PB6
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

int flow=20;
int press=100;
int valve=100;
int counter=0;
byte on = 0;
byte gpm =  0;

void setup() {
  tft.begin();
  tft.setTextColor(ILI9341_CYAN);
  tft.setTextSize(2);
  tft.setCursor(0, 30);
  tft.print(" Flow    : ");
  int temp = flow * 26;
  tft.print(temp/100);
  tft.print(".");
  tft.print(temp/10);
  tft.print(temp%10);
  //tft.print(flow*26);
  tft.println(" GPM");
  tft.println();
  tft.setTextColor(ILI9341_GREEN);
  tft.setCursor(0, 60);
  tft.print(" Pressure: ");
  tft.print(press);
  tft.println(" psi");
  tft.println();
  tft.setTextColor(ILI9341_WHITE);
  tft.setCursor(0, 90);
  tft.print(" Valve   : ");
  tft.print(valve);
  tft.println(" %");  
  tft.fillCircle(120, 200, 40, ILI9341_WHITE);
  tft.fillCircle(120, 200, 35, ILI9341_RED);
  tft.setCursor(105, 195);
  tft.setTextColor(ILI9341_BLACK);
  tft.print("OFF");
}

void loop() {

}