private static void testClearScreen(IT8951SPIDevice device, DisplayModeEnum mode = DisplayModeEnum.GC16)
{
using (new Operation("testClearScreen"))
{
device.ClearScreen(mode);
}
}
private static void ReadInfoTest(IT8951SPIDevice device)
{
using (new Operation("Read DeviceInfo"))
{
var r = device.DeviceInfo;
var s = System.Text.Json.JsonSerializer.Serialize(r);
Console.WriteLine(s);
}
}
private static void RWVComTest(IT8951SPIDevice device)
{
using (new Operation("GetVCom"))
{
Console.WriteLine($"VCom={device.GetVCom()}");
}
using (new Operation("SetVCom"))
{
device.SetVCom(-1.91f);
}
using (new Operation("GetVCom"))
{
Console.WriteLine($"VCom={device.GetVCom()}");
}
}
private static void RWRegisterTest(IT8951SPIDevice device)
{
using (new Operation("Write Register value=0"))
{
device.WriteRegister(0x04, 0);
}
using (new Operation("Read Register"))
{
DisplayRegister(device, 0x04);
}
using (new Operation("Write Register value=1"))
{
device.WriteRegister(0x04, 1);
}
using (new Operation("Read Register"))
{
DisplayRegister(device, 0x04);
}
}
private static void testdrawImage(IT8951SPIDevice device, string imagePath, bool waitEnter = false, DisplayModeEnum mode = DisplayModeEnum.GC16)
{
using (new Operation("testdrawImage"))
{
var img = Image.Load <L8>(imagePath);
device.DrawImage(image: img,
bpp: mode == DisplayModeEnum.A2 ? ImagePixelPackEnum.BPP1 : ImagePixelPackEnum.BPP4,
displayMode: mode);
if (waitEnter)
{
Console.WriteLine($"Image {imagePath} Ready, Press ENTER to continue");
Console.ReadLine();
}
else
{
Console.WriteLine($"Image {imagePath} Ready");
}
}
}
private static void drawImagePartialTest(IT8951SPIDevice device, string imagePath, Size gridSize, DisplayModeEnum displayMode = DisplayModeEnum.GC16, bool waitEnter = true)
{
Image <L8> image = Image.Load <L8>(imagePath);
var o = new ResizeOptions();
o.Size = new Size(device.DeviceInfo.ScreenSize.Width, device.DeviceInfo.ScreenSize.Height);
o.Mode = ResizeMode.Pad;
image.Mutate(opt =>
{
opt.Resize(o);
if (displayMode == DisplayModeEnum.A2)
{
opt.BinaryDither(KnownDitherings.FloydSteinberg);
}
});
int y = 0;
while (y < image.Height)
{
int h = Math.Min(gridSize.Height, image.Height - y);
int x = 0;
while (x < image.Width)
{
int w = Math.Min(gridSize.Width, image.Width - x);
Console.WriteLine($"x={x},y={y},w={w},h={h}");
device.DrawImagePartial(image, new Rectangle(x, y, w, h), new Point(x, y),
displayMode == DisplayModeEnum.GC16 ? ImagePixelPackEnum.BPP4 : ImagePixelPackEnum.BPP1,
displayMode);
x += w;
}
y += h;
}
if (waitEnter)
{
Console.WriteLine("Partial test completed, press ENTER to continue");
Console.ReadLine();
}
}
private static void DisplayRegister(IT8951SPIDevice device, ushort address)
{
Console.WriteLine($"Register 0x{address:X2}= {device.ReadRegister(address)}");
}
static void Main(string[] args)
{
//var pp = new IT8951SPIDeviceExtension.PixelBuffer(0, 0, 800, 600, ImagePixelPackEnum.BPP1);
var config = new ConfigurationBuilder()
.AddCommandLine(args)
.Build();
bool waitEnter = config["wait"]?.ToLower() == "true";
Console.WriteLine($"WaitEnter={waitEnter}");
//SPI settings for raspberry pi 4B
SpiConnectionSettings settings = new SpiConnectionSettings(0, 0);
settings.ClockFrequency = 12000000; //suggested 12MHZ in doc
settings.Mode = SpiMode.Mode0;
settings.ChipSelectLineActiveState = PinValue.Low;
settings.DataFlow = DataFlow.MsbFirst;
SpiDevice spi = SpiDevice.Create(settings);
Console.WriteLine(System.Text.Json.JsonSerializer.Serialize(settings));
var device = new IT8951SPIDevice(new IT8951SPIDeviceIO(spi, readyPin: 24, resetPin: 17));
//uncomment line below to output debug info
//System.Diagnostics.Trace.Listeners.Add(new TextWriterTraceListener(Console.Out));
Console.WriteLine($"IsLittleEndian:{BitConverter.IsLittleEndian} ");
//uncomment following line if remote debugging
//Console.WriteLine("Waiting for debugger attach, press ENTER continue");
//Console.ReadLine();
using (new Operation("Init"))
{
device.Init();
device.SetVCom(-1.91f);//change this to your device VCOM value
}
ReadTempratureTest(device);
ReadInfoTest(device);
RWRegisterTest(device);
RWVComTest(device);
testClearScreen(device, DisplayModeEnum.INIT);
drawImagePartialTest(device, "Images/3.jpg", new Size(96, 96), DisplayModeEnum.A2, waitEnter);
testClearScreen(device, DisplayModeEnum.INIT);
drawImagePartialTest(device, "Images/3.jpg", new Size(96, 96), DisplayModeEnum.GC16, waitEnter);
testClearScreen(device, DisplayModeEnum.INIT);
foreach (var f in Directory.GetFiles("Images"))
{
testClearScreen(device, DisplayModeEnum.A2);
testdrawImage(device, f, waitEnter, DisplayModeEnum.A2);
}
testClearScreen(device, DisplayModeEnum.INIT);
foreach (var f in Directory.GetFiles("Images"))
{
testdrawImage(device, f, waitEnter, DisplayModeEnum.GC16);
testClearScreen(device, DisplayModeEnum.GC16);
}
testClearScreen(device, DisplayModeEnum.INIT);
Console.WriteLine("done");
}
private static void ReadTempratureTest(IT8951SPIDevice device)
{
var data = device.GetTemprature();
Console.WriteLine($"Temprature User={data.user},System={data.system}");
}