#include <SSD1306Ascii.h>
#include <SSD1306AsciiAvrI2c.h>

// 0X3C+SA0 - 0x3C or 0x3D
#define I2C_ADDRESS 0x3C
SSD1306AsciiAvrI2c oled;

const char* fontName[] = {
  "Arial14",
  "Arial_bold_14",
  "Callibri11",
  "Callibri11_bold",
  "Callibri11_italic",
  "Callibri15",
  "Corsiva_12",
  "fixed_bold10x15",
  "font5x7",
  "font8x8",
  "Iain5x7",
  "lcd5x7",
  "Stang5x7",
  "System5x7"/*,
  "TimesNewRoman16",
  "TimesNewRoman16_bold",
  "TimesNewRoman16_italic",
  "utf8font10x16",
  "Verdana12",
  "Verdana12_bold",
  "Verdana12_italic",
  "X11fixed7x14",
  "X11fixed7x14B",
  "ZevvPeep8x16" */
};
const uint8_t* fontList[] = {
  Arial14,
  Arial_bold_14,
  Callibri11,
  Callibri11_bold,
  Callibri11_italic,
  Callibri15,
  Corsiva_12,
  fixed_bold10x15,
  font5x7,
  font8x8,
  Iain5x7,
  lcd5x7,
  Stang5x7,
  System5x7,
  TimesNewRoman16,
  TimesNewRoman16_bold,
  TimesNewRoman16_italic,
  utf8font10x16,
  Verdana12,
  Verdana12_bold,
  Verdana12_italic,
  X11fixed7x14,
  X11fixed7x14B,
  ZevvPeep8x16
};
uint8_t nFont = sizeof(fontList)/sizeof(uint8_t*);

void showPower(const __FlashStringHelper *s0) {
    oled.setFont(Arial_bold_14);
    oled.set2X();
    oled.setCursor(26, 1);
    oled.println(F("Power"));
    oled.setCursor(44, 4);
    oled.println(s0);
}

void showSpeed(uint8_t n) {
    char buff[4] = {0};
    oled.set2X();
    sprintf(buff, "%3u", n);
    oled.setCursor(35, 2);
    oled.print(buff);
    oled.print('%');
    oled.set1X();
    oled.setCursor(45, 6);
    oled.print("PWM");


}


void setup()
{
    Serial.begin(115200);
   
    oled.begin(&Adafruit128x64, I2C_ADDRESS);
    showPower(F("Off"));
    
    delay(1000); 
    oled.clear();
    oled.setFont(fixed_bold10x15);
    oled.set2X();
    for (uint8_t i = 25; i < 105; i += 5) {
        showSpeed(i);
        delay(200);
    }
    delay(500);
    oled.setCursor(40, 2);
    oled.print(F("25%"));   
    delay(500);
    oled.setCursor(40, 2);
    oled.print(F("30%")); 
    delay(500);
    oled.setCursor(40, 2);
    oled.print(F("40%")); 
    delay(500);
    oled.setCursor(40, 2);
    oled.print(F("45%")); 

  
  oled.clear();
  oled.print("Done!");
   
}

void loop() {

}