public static void Example_FixCRC()
{
Device MyReader = new Device("COM3", 0x52, SpdSize.DDR4);
// Read first 126 bytes
byte[] spdHeader = Eeprom.ReadByte(MyReader, 0, 126);
// Calculate CRC
ushort crc = Spd.Crc16(spdHeader);
// Get LSB (byte 127) and MSB (byte 128)
byte CrcLsb = (byte)(crc & 0xff); // CRC LSB at 0x7e for 0-125 range or @ 0xfe for 128-253 range
byte CrcMsb = (byte)(crc >> 8); // CRC MSB at 0x7f for 0-125 range or @ 0xff for 128-253 range
// Compare calculated CRC against SPD data
if (Eeprom.ReadByte(MyReader, 0x7e, 1)[0] == CrcLsb && Eeprom.ReadByte(MyReader, 0x7f, 1)[0] == CrcMsb)
{
// The checksum is correct, do nothing
return;
}
else
{
// Write correct values to SPD
Eeprom.UpdateByte(MyReader, 0x7e, CrcLsb);
Eeprom.UpdateByte(MyReader, 0x7f, CrcMsb);
}
// Note: you'll have to do the same for 128-253 range, checksum bytes are 0xfe and 0xff
}
public override void Update(GameTime gameTime)
{
base.Update(gameTime);
if (Spd.Length() > 2)
{
Rot = (float)Atan2(Spd.Y, Spd.X);
}
}
public override void update()
{
Pow.update();
Skl.update();
Spd.update();
Lck.update();
Def.update();
Res.update();
Mov.update();
Con.update();
Aid.update();
}
public override void draw(SpriteBatch sprite_batch, Vector2 draw_offset = default(Vector2))
{
Vector2 loc = this.loc + draw_vector();
sprite_batch.Begin(SpriteSortMode.Deferred, BlendState.AlphaBlend, null, null, Scissor_State);
Pow.draw(sprite_batch, draw_offset - loc);
Skl.draw(sprite_batch, draw_offset - loc);
Spd.draw(sprite_batch, draw_offset - loc);
Lck.draw(sprite_batch, draw_offset - loc);
Def.draw(sprite_batch, draw_offset - loc);
Res.draw(sprite_batch, draw_offset - loc);
Mov.draw(sprite_batch, draw_offset - loc);
Con.draw(sprite_batch, draw_offset - loc);
Aid.draw(sprite_batch, draw_offset - loc);
sprite_batch.End();
}
void ReleaseDesignerOutlets()
{
if (Acc != null)
{
Acc.Dispose();
Acc = null;
}
if (AccLbl != null)
{
AccLbl.Dispose();
AccLbl = null;
}
if (Alt != null)
{
Alt.Dispose();
Alt = null;
}
if (AltAcc != null)
{
AltAcc.Dispose();
AltAcc = null;
}
if (AltAccLbl != null)
{
AltAccLbl.Dispose();
AltAccLbl = null;
}
if (AltLbl != null)
{
AltLbl.Dispose();
AltLbl = null;
}
if (Error != null)
{
Error.Dispose();
Error = null;
}
if (ErrorLbl != null)
{
ErrorLbl.Dispose();
ErrorLbl = null;
}
if (Hdg != null)
{
Hdg.Dispose();
Hdg = null;
}
if (HdgAcc != null)
{
HdgAcc.Dispose();
HdgAcc = null;
}
if (HdgAccLbl != null)
{
HdgAccLbl.Dispose();
HdgAccLbl = null;
}
if (HdgLbl != null)
{
HdgLbl.Dispose();
HdgLbl = null;
}
if (Lat != null)
{
Lat.Dispose();
Lat = null;
}
if (LatLbl != null)
{
LatLbl.Dispose();
LatLbl = null;
}
if (Lon != null)
{
Lon.Dispose();
Lon = null;
}
if (LonLbl != null)
{
LonLbl.Dispose();
LonLbl = null;
}
if (Spd != null)
{
Spd.Dispose();
Spd = null;
}
if (SpdLbl != null)
{
SpdLbl.Dispose();
SpdLbl = null;
}
if (Updated != null)
{
Updated.Dispose();
Updated = null;
}
if (UpdatedLbl != null)
{
UpdatedLbl.Dispose();
UpdatedLbl = null;
}
}
