private void connect_Click(object sender, EventArgs e)
{
try
{
if (modbusClient.Connected)
{
modbusClient.Disconnect();
}
else
{
modbusClient.SerialPort = "COM3";
modbusClient.Baudrate = 38400;
modbusClient.Parity = System.IO.Ports.Parity.None;
modbusClient.StopBits = System.IO.Ports.StopBits.One;
modbusClient.Connect();
}
}
catch (Exception exc)
{
MessageBox.Show(exc.Message, "Unable to connect to Server", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public async Task RunningAsync(CancellationToken cancellationToken)
{
DateTime triggerTime = DateTime.MinValue;
InitializeModbus(ref pvClient, pvmodbusConfig);
InitializeModbus(ref essClient, essmodbusConfig);
while (true)
{
//if (triggerTime > DateTime.Now)
// continue;
//triggerTime = DateTime.Now.Add(modbusConfig.Interval);
cancellationToken.ThrowIfCancellationRequested();
try
{
Task[] client_access_task = new Task[]
{
TryConnect(pvClient, cancellationToken),
TryConnect(essClient, cancellationToken)
};
Task.WaitAll(client_access_task);
int[] ess_read_values = essClient.ReadInputRegisters(28, 30);
int[] pv_read_values = pvClient.ReadInputRegisters(28, 16);
//int[] trms = pvClient.ReadInputRegisters(538, 2);
//float trms_value = EasyModbus.ModbusClient.ConvertRegistersToFloat(new int[] { trms[0], trms[1] });
//logger.Info($"trms_value = {trms_value}");
float pcs_freq;
float pcs_actPwr;
float pcs_rctPwr;
float pcs_appPwr;
float pcs_act_forward_high;
float pcs_act_forward_low;
float pcs_act_reverse_high;
float pcs_act_reverse_low;
float pv_freq;
float pv_actPwr;
float pv_rctPwr;
float pv_appPwr;
float pv_act_forward_high;
float pv_act_forward_low;
ReadValues(ess_read_values, out pcs_freq, out pcs_actPwr, out pcs_rctPwr, out pcs_appPwr, out pcs_act_forward_high, out pcs_act_forward_low, out pcs_act_reverse_high, out pcs_act_reverse_low);
ReadValues(pv_read_values, out pv_freq, out pv_actPwr, out pv_rctPwr, out pv_appPwr, out pv_act_forward_high, out pv_act_forward_low);
double pv_accum = pv_act_forward_high + (pv_act_forward_low / 10000);
double ess_total_chg = pcs_act_forward_high + (pcs_act_forward_low / 10000);
double ess_total_dhg = pcs_act_reverse_high + (pcs_act_reverse_low / 10000);
Console.WriteLine("High: " + pv_act_forward_high + " log: " + pv_act_forward_low + " accum: " + pv_accum);
await InsertDbAsync(pcs_freq, pv_actPwr, pv_accum, pcs_actPwr, ess_total_chg, ess_total_dhg, DateTime.Now, cancellationToken);
//await PublishEvent(freq, actPwr, rctPwr, appPwr, act_forward_high, act_forward_low, DateTime.Now, cancellationToken);
await Task.Delay(essmodbusConfig.Interval, cancellationToken);
}
catch (Exception ex)
{
logger.Error(ex, ex.Message);
essClient.Disconnect();
pvClient.Disconnect();
}
}
}
public void stop()
{
modbusClient.Disconnect();
mqttClient.Disconnect();
this.shouldStop = true;
}
private void btnPortConnect_Click(object sender, EventArgs e)
{
if (btnPortConnect.Text == "Connect")
{
if (comboBoxPorts.SelectedItem == null)
{
Debug.WriteLine("Connection not possible. No Port selected.");
txtFetchError.Text = "Choose a serial port first!";
return;
}
try
{
// Configure the modbusClient (Master)
modbusClient.SerialPort = comboBoxPorts.SelectedItem.ToString();
modbusClient.UnitIdentifier = SLAVE_ADDR;
modbusClient.Baudrate = BAUDRATE;
// The MODBUS implementation on FW side doesn't work with any parities except "NONE"
modbusClient.Parity = System.IO.Ports.Parity.None;
modbusClient.StopBits = System.IO.Ports.StopBits.One;
modbusClient.Connect();
if (modbusClient.Connected)
{
txtConnectState.Text = "Connected!";
txtConnectState.BackColor = Color.Lime;
txtComErrors.Text = "";
}
/**
* Read 'default' settings from the firmware via modbus.
* (Which mode, how many batteries, how many cells per battery, etc.)
*
* Show info in the status textbox (green or red)
*/
try
{
/* --- Fetch server response --- */
int[] serverResponse = modbusClient.ReadHoldingRegisters(HOLDING_REG_START - 1, HOLDING_REG_NUM_REGS);
Debug.WriteLine("Read DEFAULT-settings from holding registers:");
updateCurrentSettings(serverResponse);
if ((ushort)serverResponse[8] == 1)
{
alertEmergencyStop();
}
}
catch (Exception exc)
{
Debug.WriteLine("Exception Reading HOLDING from Server.");
txtConnectState.Text = "MODBUS not connected";
txtConnectState.BackColor = Color.Red;
}
}
catch (Exception ex)
{
Debug.WriteLine("Exception occured. Could not connect to Port/Server.");
}
}
else
{
modbusClient.Disconnect();
txtConnectState.Text = "MODBUS not connected";
txtConnectState.BackColor = Color.Red;
clearData();
clearCurrentSettings();
}
}