Feather RP2040 + SPI TFT + MCP9808 Demo

gistfile1.txt

#include <SPI.h>
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"
#include "Adafruit_MCP9808.h"
#include <Fonts/FreeSans18pt7b.h>

// These are 'flexible' lines that can be changed
#define TFT_CS 9
#define TFT_DC 10

// Use hardware SPI (on Uno, #13, #12, #11) and the above for CS/DC
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, -1);

Adafruit_MCP9808 tempsensor = Adafruit_MCP9808();

void setup() {
  //while (!Serial) delay(10);
  delay(500);
  
  Serial.begin(9600);
  Serial.println("ILI + MCP Test!"); 

  Wire1.setSDA(2);
  Wire1.setSCL(3);
  if (!tempsensor.begin(0x18, &Wire1)) {
    Serial.println("Couldn't find MCP9808! Check your connections and verify the address is correct.");
    while (1);
  }
  Serial.println("Found MCP9808!");
  tempsensor.setResolution(3);
   
  SPI.setSCK(18);
  SPI.setTX(19);
  SPI.setRX(20);
  tft.begin();

  tft.fillScreen(ILI9341_BLACK);
  tft.setRotation(1);
  tft.setFont(&FreeSans18pt7b);
  tft.setTextColor(ILI9341_WHITE);  
  tft.setCursor(30, 50);
  tft.print("MCP9808");
  tft.setCursor(30, 90);
  tft.print("Temperature:");
}


void loop(void) {
  tft.setCursor(30, 130);
  tft.fillRect(30, 100, 150, 40, ILI9341_BLACK);
  tft.print(tempsensor.readTempC(),2);
  tft.print(" *C");
  
  delay(100);
}