#! /usr/bin/python3
# -*- coding: utf8 -*-

# load needed modules from luma
from luma.core.interface.serial import i2c, spi
from luma.core.render import canvas
from luma.oled.device import sh1106
from luma.core import lib

# load needed modules from RPi.GPIO
import RPi.GPIO as GPIO

# load needed modules from PIL
from PIL import ImageFont, ImageDraw, Image

#GPIO define pins
RST_PIN  = 25 #Reset
CS_PIN   = 8
DC_PIN   = 24

serial = spi(device=0, port=0, bus_speed_hz = 8000000, transfer_size = 4096, gpio_DC = DC_PIN, gpio_RST = RST_PIN)
device = sh1106(serial, rotate=2) #sh1106

oled_font = ImageFont.truetype('FreeSans.ttf', 14)
with canvas(device) as draw:
    draw.rectangle(device.bounding_box, outline = "white", fill = "black")
    draw.text((10, 10), "OLED-Display", font = oled_font, fill = "white")