public TXRequestEventArgs(DCID_Enum dcID, byte[] buffer, int buffer_cnt)
{
DCID = dcID;
DataCnt = buffer_cnt;
Data = new byte[buffer_cnt];
for (int i = 0; i < buffer_cnt; i++)
{
Data[i] = buffer[i];
}
}
public void uMCP_DC_Input_Process(DCID_Enum dcID, byte[] buffer)
{
for (int i = 0; i < buffer.Length; i++)
{
uMCP_OnNewByte(dcID, buffer[i]);
}
//if (Serial.available())
//{
// uMCP_OnNewByte(DCID_Enum.HOST_DC_ID, Serial.read());
//}
//while (Serial1.available())
//{
// uMCP_OnNewByte(DCID_Enum.LINE_DC_ID, Serial1.read());
//}
}
void uMCP_OnNewByte(DCID_Enum chID, byte c)
{
if (chID == DCID_Enum.HOST_DC_ID)
{
if (ih_Cnt <= HOST_BUFFER_SIZE)
{
ih_ring[ih_wPos] = c;
ih_wPos = Convert.ToUInt16((ih_wPos + 1) % HOST_BUFFER_SIZE);
ih_Cnt++;
ih_TS = millis();
}
else
{
//Serial.print("!TX_OVF");
TX_Overflow_Event.Rise(this, new EventArgs());
}
}
else if (chID == DCID_Enum.LINE_DC_ID)
{
if (ip_start)
{
if (ip_pos == 1)
{
ip_ahchk = CRC8_Update(ip_ahchk, c);
ip_type = (uMCP_PacketType)c;
if (ip_type == uMCP_PacketType.uMCP_PTYPE_INVALID)
{
ip_start = false;
}
else
{
ip_pos++;
}
}
else if (ip_pos <= 3)
{
ip_ahchk = CRC8_Update(ip_ahchk, c);
if (ip_pos == 3)
{
ip_tid = c;
}
else if (ip_pos == 2)
{
ip_sid = c;
}
ip_pos++;
}
else
{
if ((ip_type == uMCP_PacketType.uMCP_PTYPE_STR) || (ip_type == uMCP_PacketType.uMCP_PTYPE_STA))
{
if (ip_ahchk == c) // CRC OK
{
ip_start = false;
ip_ready = true;
}
}
else
{
if (ip_pos == 4)
{
ip_tcnt = c;
ip_pos++;
ip_ahchk = CRC8_Update(ip_ahchk, c);
}
else
{
if (ip_type == uMCP_PacketType.uMCP_PTYPE_REP)
{
if (ip_ahchk == c)
{
ip_ready = true;
}
ip_start = false;
}
else
{
if (ip_pos == 5)
{
ip_rcnt = c;
ip_pos++;
ip_ahchk = CRC8_Update(ip_ahchk, c);
}
else
{
if (ip_pos == 6) // header checksum
{
if (ip_ahchk == c)
{
if (ip_type == uMCP_PacketType.uMCP_PTYPE_ACK)
{
ip_ready = true;
ip_start = false;
}
else
{
ip_pos++;
}
}
else
{
ip_start = false;
}
}
else
{
if (ip_pos == 7) // dcnt
{
ip_dcnt = c;
if (ip_dcnt >= 1)
{
ip_ahchk = CRC8_Update(0xff, c);
ip_pos++;
}
else
{
ip_start = false;
ip_ready = true;
ip_type = uMCP_PacketType.uMCP_PTYPE_ACK;
}
}
else if (ip_pos == 8 + ip_dcnt)
{
if (ip_ahchk == c) // data block CRC ok
{
ip_ready = true;
}
else
{
ip_type = uMCP_PacketType.uMCP_PTYPE_ACK;
}
ip_start = false;
}
else
{
ip_datablock[ip_pos - 8] = c;
ip_ahchk = CRC8_Update(ip_ahchk, c);
ip_pos++;
}
}
}
}
}
}
}
}
else if (c == UMCP_SIGN)
{
ip_start = true;
ip_pos = 1;
ip_ahchk = CRC8_Update(0xff, UMCP_SIGN);
ip_type = uMCP_PacketType.uMCP_PTYPE_INVALID;
ip_dcnt = 0;
}
}
}
