static void WriteFromEnd(Hd44780Base lcd, string value)
{
lcd.Increment = false;
lcd.SetCursorPosition(lcd.Size.Width - 1, lcd.Size.Height - 1);
lcd.Write(value);
lcd.Increment = true;
}
static void ShiftDisplayTest(Hd44780Base lcd, Action <Hd44780Base> action)
{
Size size = lcd.Size;
lcd.Write(Eighty.Substring(0, size.Height * size.Width));
ShiftTest(lcd, action);
}
static void CharacterSet(Hd44780Base lcd)
{
StringBuilder sb = new StringBuilder(256);
for (int i = 0; i < 256; i++)
{
sb.Append((char)i);
}
int character = 0;
int line = 0;
Size size = lcd.Size;
while (character < 256)
{
lcd.SetCursorPosition(0, line);
lcd.Write(sb.ToString(character, Math.Min(size.Width, 256 - character)));
line++;
character += size.Width;
if (line >= size.Height)
{
line = 0;
System.Threading.Thread.Sleep(1000);
}
}
}
static void AutoShift(Hd44780Base lcd)
{
lcd.AutoShift = true;
Size size = lcd.Size;
lcd.Write(Eighty.Substring(0, size.Width + size.Width / 2));
lcd.AutoShift = false;
}
static void ShiftTest(Hd44780Base lcd, Action <Hd44780Base> action)
{
Size size = lcd.Size;
for (int i = 0; i <= size.Width; i++)
{
action(lcd);
System.Threading.Thread.Sleep(250);
}
}
static void SetCursorTest(Hd44780Base lcd)
{
Size size = lcd.Size;
int number = 0;
for (int i = 0; i < size.Height; i++)
{
lcd.SetCursorPosition(0, i);
lcd.Write($"{number++}");
lcd.SetCursorPosition(size.Width - 1, i);
lcd.Write($"{number++}");
}
}
static void WalkerTest(Hd44780Base lcd)
{
CreateWalkCharacters(lcd);
string walkOne = new string('\x8', lcd.Size.Width);
string walkTwo = new string('\x9', lcd.Size.Width);
for (int i = 0; i < 5; i++)
{
lcd.SetCursorPosition(0, 0);
lcd.Write(walkOne);
System.Threading.Thread.Sleep(500);
lcd.SetCursorPosition(0, 0);
lcd.Write(walkTwo);
System.Threading.Thread.Sleep(500);
}
}
static void PerfTests(Hd44780Base lcd)
{
string stars = new string('*', 80);
Stopwatch stopwatch = Stopwatch.StartNew();
lcd.Clear();
for (int i = 0; i < 25; i++)
{
lcd.Write(Eighty);
lcd.Write(stars);
}
lcd.Clear();
stopwatch.Stop();
string result = $"Elapsed ms: {stopwatch.ElapsedMilliseconds}";
lcd.Write(result);
Console.WriteLine(result);
}
static void CreateWalkCharacters(Hd44780Base lcd)
{
// Walk 1
lcd.CreateCustomCharacter(0,
0b_00110,
0b_00110,
0b_01100,
0b_10111,
0b_00100,
0b_01110,
0b_01010,
0b_10001);
// Walk 2
lcd.CreateCustomCharacter(1,
0b_00110,
0b_00110,
0b_01100,
0b_01100,
0b_00110,
0b_00110,
0b_01010,
0b_01010);
}
static void CreateTensCharacters(Hd44780Base lcd)
{
// 10
lcd.CreateCustomCharacter(0,
0b_10000,
0b_10000,
0b_10000,
0b_10000,
0b_10111,
0b_00101,
0b_00101,
0b_00111);
// 20
lcd.CreateCustomCharacter(1,
0b_11100,
0b_00100,
0b_11100,
0b_10000,
0b_11111,
0b_00101,
0b_00101,
0b_00111);
// 30
lcd.CreateCustomCharacter(2,
0b_11100,
0b_00100,
0b_11100,
0b_00100,
0b_11111,
0b_00101,
0b_00101,
0b_00111);
// 40
lcd.CreateCustomCharacter(3,
0b_10100,
0b_10100,
0b_11100,
0b_00100,
0b_00111,
0b_00101,
0b_00101,
0b_00111);
// 50
lcd.CreateCustomCharacter(4,
0b_11100,
0b_10000,
0b_11100,
0b_00100,
0b_11111,
0b_00101,
0b_00101,
0b_00111);
// 60
lcd.CreateCustomCharacter(5,
0b_11100,
0b_10000,
0b_11100,
0b_10100,
0b_11111,
0b_00101,
0b_00101,
0b_00111);
// 70
lcd.CreateCustomCharacter(6,
0b_11100,
0b_00100,
0b_01000,
0b_01000,
0b_01111,
0b_00101,
0b_00101,
0b_00111);
// 80
lcd.CreateCustomCharacter(7,
0b_11100,
0b_10100,
0b_11100,
0b_10100,
0b_11111,
0b_00101,
0b_00101,
0b_00111);
}
static void ShiftCursorTest(Hd44780Base lcd, Action <Hd44780Base> action)
{
lcd.BlinkingCursorVisible = true;
ShiftTest(lcd, action);
lcd.BlinkingCursorVisible = false;
}