Oled screen with arduino nano spi

[dumledore]

I have an ERC12864SBSF-2 display and I want to run it with Arduino nano. The screen communicates via SPI. When I write the code below, nothing happens on the screen

#include <SPI.h>

// Pin definitions
#define CS_PIN 10
#define RESET_PIN 8
#define DISP_PIN 9
#define PWM_PIN 6  // PWM signal pin

void setup() {
  pinMode(CS_PIN, OUTPUT);
  pinMode(RESET_PIN, OUTPUT);
  pinMode(DISP_PIN, OUTPUT);
  pinMode(PWM_PIN, OUTPUT);

  // Reset the display
  digitalWrite(RESET_PIN, LOW);
  delay(10);
  digitalWrite(RESET_PIN, HIGH);

  // Initialize the display
  SPI.begin();
  SPI.beginTransaction(SPISettings(4000000, MSBFIRST, SPI_MODE0));
  digitalWrite(CS_PIN, LOW);

  // Turn on the display
  digitalWrite(DISP_PIN, HIGH);

  // Initialize PWM (brightness control)
  analogWrite(PWM_PIN, 128);  // Set brightness to about 50%

  // Send initialization commands to the display (example commands)
  sendCommand(0xAE);  // Display off
  sendCommand(0xA1);  // Segment remap
  sendCommand(0xC8);  // COM scan direction
  sendCommand(0xA6);  // Normal display
  sendCommand(0xA4);  // Display all points normal
  sendCommand(0xAF);  // Display on

  // Clear display (example method)
  clearDisplay();

  // Write "Hello" to the display
  writeText("Merhaba");
}

void loop() {
  // Display update logic or animations can be added here
}

void sendCommand(uint8_t command) {
  // Code to send a command to the display
}

void clearDisplay() {
  // Code to clear the display
}

void writeText(const char* text) {
  // Code to write text to the display
}

// SPI transaction functions to ensure proper communication
void startSPI() {
  digitalWrite(CS_PIN, LOW);
  SPI.beginTransaction(SPISettings(4000000, MSBFIRST, SPI_MODE0));
}

void endSPI() {
  SPI.endTransaction();
  digitalWrite(CS_PIN, HIGH);
}

[GolamMostafa]

@dumledore

ERC12864SBSF-2

Look for if there is any Library for it. That will make programming the display unit much easier.