/*
ESP32 SPI Custom Chip Example
Same ROT13 SPI device used in Wokwi
*/

#include <SPI.h>

#define CS 5

void setup() {

  char buffer[] = "Uryyb, FCV!";

  Serial.begin(115200);

  pinMode(CS, OUTPUT);

  // ESP32 SPI pins
  SPI.begin(18, 19, 23, CS);

  digitalWrite(CS, LOW);

  SPI.transfer((uint8_t*)buffer, strlen(buffer));

  digitalWrite(CS, HIGH);

  Serial.println("Data received from SPI device:");
  Serial.println(buffer);
}

void loop() {
}