static public void MessageHandler()
{
while (true)
{
if (!WaitEvent.WaitOne(10, false))
{
agent.ScanPort();
continue;
}
WaitEvent.Reset();
try
{
ActMessage msg = NodeMaster.actmsg;
#region write_regs
if ((msg.action == "write_regs") && (msg.addrs.GetLength(0) == 1)) //only reg of one node is allowed
{
byte addr = msg.addrs[0];
if (agent[addr].status == NodeStatus.ST_IDLE)
{
agent[addr].write_vregs(msg.regs, msg.values);
}
actmsg.action = "done";
OverEvent.Set();
continue;
}
#endregion
#region actions
if ((msg.action == "fill") || (msg.action == "zero") || (msg.action == "empty") ||
(msg.action == "pass") || (msg.action == "pass"))
{
foreach (byte addr in msg.addrs)
{
if (agent[addr].status == NodeStatus.ST_IDLE)
{
agent[addr].write_vregs(new string[] { "flag_enable" }, new UInt32[] { NodeMaster.flag_cmd(msg.action) });
}
}
actmsg.action = "done";
OverEvent.Set();
continue;
}
if (msg.action == "flag_goon")
{
foreach (byte addr in msg.addrs)
{
if (agent[addr].status == NodeStatus.ST_IDLE)
{
agent[addr].write_vregs(new string[] { "flag_goon" }, new UInt32[] { 1 });
}
}
actmsg.action = "done";
OverEvent.Set();
continue;
}
#endregion
#region refresh_regs
if ((msg.action == "refresh_regs") && (msg.addrs.GetLength(0) == 1))
{
if (agent[msg.addrs[0]] is SubNode)
{
GetRegister(msg.addrs[0], msg.regs);
OverEvent.Set();
continue;
}
}
#endregion
#region flag_release
if (msg.action == "flag_release")
{
if (!CriticalFlag(msg.addrs, "flag_release", 1))
{
msg.action = "fail";
}
else
{
foreach (byte n in msg.addrs)
{
if (agent[n] is WeighNode)
{
(agent[n] as WeighNode).cnt_match = -1;
}
}
msg.action = "done";
}
OverEvent.Set();
continue;
}
#endregion
#region flash
if (msg.action == "flash")
{
msg.action = "done";
foreach (byte addr in msg.addrs)
{
if (agent[addr].status == NodeStatus.ST_IDLE)
{
agent[addr].write_vregs(new string[] { "NumOfDataToBePgmed" }, new UInt32[] { 45 });
int retry = 20;
do
{
Thread.Sleep(200);
if (GetRegister(addr, new string[] { "NumOfDataToBePgmed" }))
{
if (agent[addr]["NumOfDataToBePgmed"] == 0)
{
break;
}
}
} while (retry-- > 0);
if (retry <= 0)
{
msg.action = "retry";
}
}
}
OverEvent.Set();
continue;
}
#endregion
#region start stop trigger
if ((msg.action == "stop") || (msg.action == "start") || (msg.action == "trigger") || (msg.action == "intf"))
{
if (!CriticalFlag(msg.addrs, "flag_enable", NodeMaster.flag_cmd(msg.action)))
{
msg.action = "retry";
}
else
{
if ((msg.action == "stop") || (msg.action == "start"))
{
foreach (byte n in msg.addrs)
{
if (agent[n] is WeighNode)
{
(agent[n] as WeighNode).cnt_match = -1;
}
}
}
msg.action = "done";
}
OverEvent.Set();
continue;
}
#endregion
#region query
if (msg.action == "query")
{
foreach (byte addr in msg.addrs)
{
if (agent[addr].status == NodeStatus.ST_IDLE)
{
GetRegister(addr, new string[] { "mtrl_weight_gram", "mtrl_weight_decimal" });
}
}
actmsg.action = "done";
OverEvent.Set();
continue;
}
#endregion
throw new Exception("Invalide commnad " + actmsg.action);
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
actmsg.action = "fail";
OverEvent.Set();
}
}
}