#include "SPI.h"
#include "Adafruit_GFX.h"
// #include "Adafruit_ILI9341.h"
#include "Adafruit_ST7735.h"

//connections
//Display: ESP32-C3 - refer schematice-https://docs.espressif.com/projects/esp-idf/en/v5.2/esp32c3/_images/esp32-c3-devkitm-1-v1-pinout.png 
// or pg 11 of datasheet-https://www.espressif.com/sites/default/files/documentation/esp32-c3-mini-1_datasheet_en.pdf 
// 3.3V : VCC(3V3)
// GND  : GND
// CS   : 10            >>>chip enable pin (FSPICS0)
// RST  : 9             >>>RST/RES- Reset pin can be connected to RST Pin of esp but connecting to a GPIO pin is better as display can be reset via program
// D/C  : 8             >>>Data/command pin
// MOSI : 7             >>>SPI data (MCU → LCD) (FSPID)
// SCK  : 6             >>>SPI clock (FSPICLK)
// LED  : 5V            >>>backlight
// MISO : 2             >>>SPI data (LCD → MCU) (FSPIQ)

//NOTE: Reset is not simulated in wokwi

//Pin definition
#define TFT_CS        10
#define TFT_RST       9
#define TFT_DC        8
#define TFT_MOSI      7
#define TFT_SCLK      6

//creating a display object named "tft"- TFT_CS and TFT_DC are the parameters passed to the constructor
Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS,TFT_DC,TFT_RST); 

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.printf("HelloWorld\n");
  tft.initR(INITR_BLACKTAB);   // initialize a ST7735S chip, black tab
  tft.fillScreen(ST7735_RED);
  delay(1000);
  Serial.printf("HelloWorld\n");
    //display code- same as done in arduino case
  tft.setCursor(0,0);
  tft.setTextColor(ST7735_WHITE);
  tft.println("Hello!");
  Serial.printf("HelloWorld\n");
  tft.fillScreen(ST7735_GREEN);
   delay(1000);
   tft.fillScreen(ST7735_BLUE);
   delay(1000);
   tft.fillScreen(ST7735_BLACK);
   delay(1000);
  tft.setCursor(2, 2);
  tft.setTextColor(ST7735_RED);
  tft.println("WORLD");
}

void loop() {
  // put your main code here, to run repeatedly:
  
}