public void DrawFrame(GraphicsBuffer.DrawCallback callback)
{
if (graphics == null)
{
graphics = new GraphicsBuffer(Width, Height, true);
}
byte[] pixelData = graphics.Draw(callback, GraphicsFormat.RGB565);
Draw(pixelData, Width, 0, 0);
}
public void ShowFrame(GraphicsBuffer.DrawCallback callback)
{
if (!isInitialized)
{
InitSensor();
isInitialized = true;
}
byte[] pixelData = graphics.Draw(callback, GraphicsFormat.BlackAndWhiteDithered);
byte[] tile = new byte[Width + 7];
for (int page = 0; page < Height / 8; page++)
{
tile[0] = 0x80;
tile[1] = (byte)(SetPageAddress + page);
tile[2] = 0x80;
tile[3] = (byte)(SetColumnAddressLow | (DisplayOffset & 0x0f));
tile[4] = 0x80;
tile[5] = (byte)(SetColumnAddressHigh | ((DisplayOffset >> 4) & 0x0f));
tile[6] = 0x40;
int index = page * 8 * Width;
for (int i = 0; i < Width; i++)
{
byte b = 0;
byte bit = 1;
int p = index + i;
for (int j = 0; j < 8; j++)
{
if (pixelData[p] != 0)
{
b |= bit;
}
bit <<= 1;
p += Width;
}
tile[i + 7] = b;
}
device.SubmitOnI2CPort(i2cPort, tile, DisplayAddress);
}
/*
* // Just for the fun of it: read back some of the data
* byte[] cmd = new byte[] {
* 0x80, SetPageAddress + 4,
* 0x80, (byte)(SetColumnAddressLow | (DisplayOffset & 0x0f)),
* 0x80, (byte)(SetColumnAddressHigh | ((DisplayOffset >> 4) & 0x0f)),
* 0x40
* };
* byte[] pageData = device.SendAndRequestOnI2CPort(i2cPort, cmd, DisplayAddress, Width);
*/
}
