internal void ParseWiimote(byte[] buff, int off, AccelCalibrationInfo calib)
{
// X = (byte[2] bits[7:0] 9:2) | (byte[0] bits[6:5] 1:0) out[9:0]
// Y = (byte[3] bits[7:0] 9:2) | (byte[1] bit[5] 1) out[9:1]
// Z = (byte[4] bits[7:0] 9:2) | (byte[1] bit[6] 1) out[9:1]
RawValues.X = (buff[off + 2] << 2) | ((buff[0] >> 5) & 0x3);
RawValues.Y = (buff[off + 3] << 2) | ((buff[1] >> 4) & 0x2);
RawValues.Z = (buff[off + 4] << 2) | ((buff[1] >> 5) & 0x2);
ParseRaw(calib);
}
internal void ParseNunchuk(byte[] buff, int off, bool passthrough, AccelCalibrationInfo calib)
{
if (!passthrough)
{
// X = (byte[2] bits[7:0] 9:2) | (byte[5] bits[3:2] 1:0) out[9:0]
// Y = (byte[3] bits[7:0] 9:2) | (byte[5] bits[5:4] 1:0) out[9:0]
// Z = (byte[4] bits[7:0] 9:2) | (byte[5] bits[7:6] 1:0) out[9:0]
RawValues.X = (buff[off + 2] << 2) | ((buff[5] >> 2) & 0x3);
RawValues.Y = (buff[off + 3] << 2) | ((buff[5] >> 4) & 0x3);
RawValues.Z = (buff[off + 4] << 2) | ((buff[5] >> 6) & 0x3);
}
else
{
// X = (byte[2] bits[7:0] 9:2) | (byte[5] bit[4] 1) out[9:1]
// Y = (byte[3] bits[7:0] 9:2) | (byte[5] bit[5] 1) out[9:1]
// Z = (byte[4] bits[7:1] 9:3) | (byte[5] bits[7:6] 2:1) out[9:1]
RawValues.X = (buff[off + 2] << 2) | ((buff[5] >> 3) & 0x2);
RawValues.Y = (buff[off + 3] << 2) | ((buff[5] >> 4) & 0x2);
RawValues.Z = ((buff[off + 4] & 0xFE) << 2) | ((buff[5] >> 5) & 0x6);
}
ParseRaw(calib);
}
private void ParseRaw(AccelCalibrationInfo calib)
{
Values.X = (float)(RawValues.X - calib.Zero.X) / (calib.Gravity.X - calib.Zero.X);
Values.Y = (float)(RawValues.Y - calib.Zero.Y) / (calib.Gravity.Y - calib.Zero.Y);
Values.Z = (float)(RawValues.Z - calib.Zero.Z) / (calib.Gravity.Z - calib.Zero.Z);
}
internal void ParseWiimoteInterleaved(byte[] buffA, byte[] buffB, int offA, int offB, AccelCalibrationInfo calib)
{
// X = (byteA[2] bits[7:0] 9:2) out[9:2]
// Y = (byteB[2] bits[7:0] 9:2) out[9:2]
// Z = (byteA[1] bits[6:5] 9:8) | (byteA[0] bits[6:5] 7:6) |
// (byteB[1] bits[6:5] 5:4) | (byteB[0] bits[6:5] 3:2) out[9:2]
RawValues.X = (buffA[offA + 2] << 2);
RawValues.Y = (buffB[offB + 2] << 2);
RawValues.Z = ((buffA[offA + 1] & 0x60) << 3) | ((buffA[offA + 0] & 0x60) << 1) |
((buffB[offB + 1] & 0x60) >> 1) | ((buffB[offB + 0] & 0x60) >> 3);
ParseRaw(calib);
}
