private void ProcFrame(ByteRingBuffer ringBuffer, uint lenPlusOne)
{
switch (ringBuffer.Front)
{
case 0x10:
break;
case 0x14:
int numFr;
ringBuffer.Pop();
numFr = ((int)lenPlusOne - 2) / 14;
while (numFr > 0)
{
--numFr;
_fr[0x0] = ringBuffer.Front; ringBuffer.Pop();
_fr[0x1] = ringBuffer.Front; ringBuffer.Pop();
_fr[0x2] = ringBuffer.Front; ringBuffer.Pop();
_fr[0x3] = ringBuffer.Front; ringBuffer.Pop();
_fr[0x4] = ringBuffer.Front; ringBuffer.Pop();
_fr[0x5] = ringBuffer.Front; ringBuffer.Pop();
_fr[0x6] = ringBuffer.Front; ringBuffer.Pop();
_fr[0x7] = ringBuffer.Front; ringBuffer.Pop();
_fr[0x8] = ringBuffer.Front; ringBuffer.Pop();
_fr[0x9] = ringBuffer.Front; ringBuffer.Pop();
_fr[0xa] = ringBuffer.Front; ringBuffer.Pop();
_fr[0xb] = ringBuffer.Front; ringBuffer.Pop();
_fr[0xc] = ringBuffer.Front; ringBuffer.Pop();
_fr[0xd] = ringBuffer.Front; ringBuffer.Pop();
HandleMsg();
}
ringBuffer.Pop();
lenPlusOne = 0;
break;
case 0x17:
break;
default:
break;
}
ringBuffer.Pop(lenPlusOne);
}
private void ProcessData(ByteRingBuffer ringBuffer)
{
/* tx tasks */
if (_timeSched.Process())
{
/* every 10 ms */
_serialClient.Write(_pollMsg);
_serialClient.Write(_chirpReq);
}
/* rx process */
bool stay = true;
while (stay)
{
switch (_state)
{
case 0:
if (ringBuffer.Count < 1)
{
stay = false; /* not enough data */
}
else
{
/* we have data */
if (ringBuffer.Front == 0x5a)
{
++_state;
}
/* pop it */
ringBuffer.Pop();
}
break;
case 1:
if (ringBuffer.Count < 2)
{
stay = false; /* not enough data */
}
else
{
byte h = ringBuffer.Front;
ringBuffer.Pop();
byte l = ringBuffer.Front;
ringBuffer.Pop();
_len = h;
_len <<= 8;
_len = l;
++_state;
}
break;
case 2:
if (ringBuffer.Count < (_len + 1))
{
stay = false; /* not enough data */
}
else
{
ProcFrame(ringBuffer, _len + 1);
_state = 0;
}
break;
}
}
}