public Ser_Port_Listener(Form1 frmBattMon, string strIn_SerPortName) // serial port handling class ctor
{
Debug.WriteLine("++Ser_Port_Listener(" + strIn_SerPortName + ") ctor");
bSerPortOkay = false;
_portName = strIn_SerPortName;
m_liErrCnt = 0;
m_dataparser = new batt_data_parser();
// copy supplied argument (form pointer) to local variable
m_frmBattMon = frmBattMon;
// construct new instance of 1 serial port
try
{
m_serptMcSerPort = new SerialPort(strIn_SerPortName, m_baudRate, System.IO.Ports.Parity.None, 8, System.IO.Ports.StopBits.One);
bSerPortOkay = true;
Debug.WriteLine("Ser_Port_Listener() ctor Created serial port " + _portName + "," + m_baudRate.ToString() + "," + System.IO.Ports.Parity.None.ToString() + ",8," + System.IO.Ports.StopBits.One.ToString());
// find out ser port read buffer size (comes from device driver through .net framework)
iSerPortreadBuffSize = m_serptMcSerPort.ReadBufferSize; // 4 kb or so
Debug.WriteLine("Ser_Port_Listener() ctor SerPort Buf size=" + iSerPortreadBuffSize.ToString());
// Initialize a buffer to hold the received data
buffer = new byte[iSerPortreadBuffSize];
// configure flow control for serial connection between PC and microcontroller
if (m_serptMcSerPort.Handshake == Handshake.None)
{
// to moderate data flow control from microcontroller, use one of flow control ways
// software flow control - XonXoff
// Debug.WriteLine("Ser_Port_Listener() ctor SerPort flow control=None, setting to XonXoff");
// m_serptMcSerPort.Handshake=Handshake.XOnXOff;
// hardware flow control - CTS/RTS or DTR/DTD
// m_serptMcSerPort.Handshake=Handshake.RequestToSend;
// Debug.WriteLine("Ser_Port_Listener() ctor SerPort flow control="+m_serptMcSerPort.Handshake.ToString());
}
;
}
catch (IOException ioex)
{
bSerPortOkay = false;
// before showing message box to user, also swicth state from started to stopped
// frmBattMon.bOnStopMonitoring(true);
// now show message box to user - it is modal dialog which will stay
MessageBox.Show("Unable to open COM port!\r\nI\\O Error",
"No MC connection", MessageBoxButtons.OK, MessageBoxIcon.Error);
Debug.WriteLine("Ser_Port_Listener ctor(): Unable to open COM port!" + ioex.ToString() + " Check settings...");
};
try
{
// create batt mon log file name using ser port name and current date-time
strBatMonLogFileName = strIn_SerPortName + "_batt_mon_" + DateTime.Now.Hour.ToString("00") + DateTime.Now.Minute.ToString("00") + DateTime.Now.Second.ToString("00") + ".log";
// open battery logging file
m_OutLogfile = new System.IO.StreamWriter(strBatMonLogFileName, true);
m_bLoggingToFile = true;
}
catch (IOException ioex)
{
Debug.WriteLine("Ser_Port_Listener() ctor: Error " + ioex.ToString() + "! Cannot open log file");
m_OutLogfile = null;
m_bLoggingToFile = false;
};
if (false == bSerPortOkay)
{
Debug.WriteLine("Ser_Port_Listener(ERR) ctor failed to open serial port");
}
;
Debug.WriteLine("--Ser_Port_Listener() ctor");
}
//
private void FromFileRadioButton1_CheckedChanged(object sender, EventArgs e)
{
Debug.WriteLine("++Form1::OnFromFileRadioButton1()");
int iFromRecordedFuelGaugeLvl = -1;
int iFuelGaugeLvl_D = -1;
int iFuelGaugeLvl_NL = -1;
int iFuelGaugeLvl_C = -1;
// if selected
if (true == FromFileRadioButton1.Checked)
{
if (true == bIsRunning)
{
// stop if running
bOnStopMonitoring(true);
// disable start button
}
;
StartStopButton.Enabled = false;
SerPortNameTextBox.Enabled = false;
this.Text = "Battery Monitor - Recorded data; file ";
// clear chart
// CurrentVoltageChart.Series.Clear();
// clear data stored in voltage and current series
CurrentVoltageChart.Series[0].Points.Clear();
CurrentVoltageChart.Series[1].Points.Clear();
// then restore zoom window view of X axis
// load data from file into chart
StreamReader strmReader = null;
OpenFileDialog openFileDialog1 = new OpenFileDialog();
if (strPreviousOpenedFileDir.Length != 0)
{
openFileDialog1.InitialDirectory = strPreviousOpenedFileDir; // path as in "c:\\" ;
openFileDialog1.RestoreDirectory = true;
}
;
// open CFile dialog and navigate to batt_mon log file on PC
openFileDialog1.Filter = "Batt mon log files (*.log)|*.log|All files (*.*)|*.*";
openFileDialog1.FilterIndex = 1;
openFileDialog1.RestoreDirectory = true;
// OR read from SD card from arduino microcontroller
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
Debug.WriteLine("Form1::OnFromFileRadioButton1() CFile dialog : file selected=" + openFileDialog1.FileName.ToString());
try
{
strmReader = new StreamReader(openFileDialog1.FileName);
if (null != strmReader)
{
batt_data_parser prsDataparser = new batt_data_parser();
Debug.WriteLine("Form1::OnFromFileRadioButton1() Opened file " + openFileDialog1.FileName.ToString() + " ok.");
this.Text += openFileDialog1.SafeFileName;
// save folder name of successfully opened file
strPreviousOpenedFileDir = System.IO.Path.GetDirectoryName(openFileDialog1.FileName);
using (strmReader)
{
// store the current battery information for later comparison
int iCurrNumOfDischChrgCycles = m_batBattery.iGetNumStartingCycles();
String strOneDatapacketFromFile = null;
int iLineCntr = 0;
int iErrorCntFromFile = 0;
ErrorCountTextBox.Text = " ";
// start busy cursor
// Cursor.Current = Cursors.WaitCursor;
UseWaitCursor = true;
// clear out SoC bar indicators
iUpdate3ChangePcntBars(0, 0, 0);
ChargeProgressBarD.BackColor = Color.Gray;
ChargeProgressBarNL.BackColor = Color.Gray;
ChargeProgressBarC.BackColor = Color.Gray;
// code to read the stream here.
while (strmReader.Peek() >= 0)
{
strOneDatapacketFromFile = strmReader.ReadLine().ToString();
if (strOneDatapacketFromFile.Length > 0)
{
// Debug.WriteLine("Form1::OnFromFileRadioButton1() Line: ["+iLineCntr.ToString() + "] " +strOneDatapacketFromFile);
// parse one data packet into fields
if (true == prsDataparser.bParseOneDataLine(strOneDatapacketFromFile))
{
// if fields are okay, then feed chart series with it
m_stRecentBattData = prsDataparser.stbtGetParsedData();
bAddBattDataToChart(m_stRecentBattData);
// be sure we process starter mtr load case if there is one
m_batBattery.bValuateBatteryData(m_stRecentBattData, iLineCntr);
// and then update text fields for R and CA accordingly
iLineCntr += 1;
if (iLineCntr % 100 == 0)
{
Debug.WriteLine("Form1::OnFromFileRadioButton1() Added " + iLineCntr.ToString() + " Data packets");
// Debug.WriteLine("Form1::OnFromFileRadioButton1() Batt average current="+m_batBattery.getLastAveCurrent().ToString("+0.0;-0.0;0")+" A");
}
;
// update counts live on the form
m_slMeasIterCnt += 1;
IterCntTextBox.Text = m_slMeasIterCnt.ToString();
// determine SoC level and battery state
iFromRecordedFuelGaugeLvl = iGetBattLifePrc();
// update SoC bar indicators accordingly
switch (m_stRecentBattData.chBattState)
{
case 'D':
if (-1 != iFromRecordedFuelGaugeLvl)
{
iFuelGaugeLvl_D = iFromRecordedFuelGaugeLvl;
}
break;
case 'I':
if (-1 != iFromRecordedFuelGaugeLvl)
{
iFuelGaugeLvl_NL = iFromRecordedFuelGaugeLvl;
}
break;
case 'C':
if (-1 != iFromRecordedFuelGaugeLvl)
{
iFuelGaugeLvl_C = iFromRecordedFuelGaugeLvl;
}
break;
default:
Debug.WriteLine("Form1::OnFromFileRadioButton1() Chrg% error! Unknown battery state " + m_stRecentBattData.chBattState);
break;
}
;
if (iLineCntr % 10 == 0)
{
iUpdate3ChangePcntBars(iFuelGaugeLvl_C, iFuelGaugeLvl_NL, iFuelGaugeLvl_D);
System.Threading.Thread.Sleep(10);
}
;
}
else
{
// data bad, ignore
iErrorCntFromFile += 1;
Debug.WriteLine("Form1::OnFromFileRadioButton1() Failed to parse Line: [" + iLineCntr.ToString() + "] " + strOneDatapacketFromFile);
ErrorCountTextBox.Text = iErrorCntFromFile.ToString();
// count errors
};
}
; // end IF of if(strOneDatapacketFromFile.Length
// Release build only
// add some responsiveness
Application.DoEvents();
}
; // end of while(strmReader.Peek())
// end busy cursor
// Cursor.Current = Cursors.Default;
UseWaitCursor = false;
// we finished adding data from file. We may get new discharge-charge cycles added, so
Debug.WriteLine("Form1::OnFromFileRadioButton1() Finished reading batery data from " + openFileDialog1.FileName.ToString());
Debug.WriteLine("Form1::OnFromFileRadioButton1() Processed " + iLineCntr.ToString() + " lines of data.");
Debug.WriteLine("Form1::OnFromFileRadioButton1() Found " + iErrorCntFromFile.ToString() + " errors.");
string strTemp = null;
strTemp = "Finished reading batery data from " + openFileDialog1.FileName.ToString() + "\r\n";
strTemp += "Processed " + iLineCntr.ToString() + " lines of data.\r\n";
strTemp += "Found " + iErrorCntFromFile.ToString() + " errors.\r\n";
int iNumOfNewDchrgChrgCyles = m_batBattery.iGetNumStartingCycles() - iCurrNumOfDischChrgCycles;
// tell user what kind of information was added to our battery class instance
if (iNumOfNewDchrgChrgCyles > 0)
{
Debug.WriteLine("Form1::OnFromFileRadioButton1() Added " + iNumOfNewDchrgChrgCyles.ToString() + " new discharge-charge cycles.");
strTemp += "Added " + iNumOfNewDchrgChrgCyles.ToString() + " new discharge-charge cycles.";
}
else
{
Debug.WriteLine("Form1::OnFromFileRadioButton1() Did not find any new discharge-charge cycles.");
strTemp += " Did not find any new discharge-charge cycles.";
};
MessageBox.Show(strTemp);
// update listbox from discharge-charge cycles array
bUpdateListBoxAndCntFromMmapDschrgChrgCycles();
// once all data are added, resize X axis zoom and scale
bResizeXAxisAndZoom(CurrentVoltageChart, CurrentVoltageChart.Series[0]);
// and also update R and CA if there was any starting cycle detected
if (true == m_batBattery.bWasEngineStarted())
{
R_Ohm_TextBox1.Text = "<=" + m_batBattery.dblGetBattInternalResistance().ToString("0.000");
CA_textBox2.Text = ">=" + m_batBattery.dblGetBattCA().ToString("#") + " A"; // at " + stcBattDatStarterOff.dblBattTemp.ToString("+#;-#;0")+ "°C";
}
;
// Debug.WriteLine("Form1::OnFromFileRadioButton1() Batt Current ave="+m_batBattery.getLastAveCurrent().ToString("+#.#;-#.#;0"));
}; // end of using(strmReader)
}
else
{
Debug.WriteLine("Form1::OnFromFileRadioButton1() FAILED to open file " + openFileDialog1.FileName.ToString() + " !");
};
}
catch (Exception ex)
{
MessageBox.Show("Error: Could not read file from disk. Original error: " + ex.Message);
};
}
else
{
Debug.WriteLine("Form1::OnFromFileRadioButton1() CFile dialog CANCELLed");
};
}
;
Debug.WriteLine("--Form1::OnFromFileRadioButton1()");
} // end of FromFileRadioButton1_CheckedChanged()
// serial port handling class ctor
public Ser_Port_Listener(Form1 frmBattMon, string strIn_SerPortName)
{
Debug.WriteLine("++Ser_Port_Listener("+strIn_SerPortName+") ctor");
bSerPortOkay = false;
_portName=strIn_SerPortName;
m_liErrCnt=0;
m_dataparser=new batt_data_parser();
// copy supplied argument (form pointer) to local variable
m_frmBattMon=frmBattMon;
// construct new instance of 1 serial port
try
{
m_serptMcSerPort = new SerialPort(strIn_SerPortName, m_baudRate,System.IO.Ports.Parity.None,8, System.IO.Ports.StopBits.One);
bSerPortOkay=true;
Debug.WriteLine("Ser_Port_Listener() ctor Created serial port "+_portName+","+m_baudRate.ToString()+","+System.IO.Ports.Parity.None.ToString()+",8,"+System.IO.Ports.StopBits.One.ToString());
// find out ser port read buffer size (comes from device driver through .net framework)
iSerPortreadBuffSize = m_serptMcSerPort.ReadBufferSize; // 4 kb or so
Debug.WriteLine("Ser_Port_Listener() ctor SerPort Buf size="+iSerPortreadBuffSize.ToString());
// Initialize a buffer to hold the received data
buffer = new byte[iSerPortreadBuffSize];
// configure flow control for serial connection between PC and microcontroller
if(m_serptMcSerPort.Handshake==Handshake.None)
{
// to moderate data flow control from microcontroller, use one of flow control ways
// software flow control - XonXoff
// Debug.WriteLine("Ser_Port_Listener() ctor SerPort flow control=None, setting to XonXoff");
// m_serptMcSerPort.Handshake=Handshake.XOnXOff;
// hardware flow control - CTS/RTS or DTR/DTD
// m_serptMcSerPort.Handshake=Handshake.RequestToSend;
// Debug.WriteLine("Ser_Port_Listener() ctor SerPort flow control="+m_serptMcSerPort.Handshake.ToString());
};
}
catch(IOException ioex)
{
bSerPortOkay=false;
// before showing message box to user, also swicth state from started to stopped
// frmBattMon.bOnStopMonitoring(true);
// now show message box to user - it is modal dialog which will stay
MessageBox.Show("Unable to open COM port!\r\nI\\O Error",
"No MC connection", MessageBoxButtons.OK, MessageBoxIcon.Error);
Debug.WriteLine("Ser_Port_Listener ctor(): Unable to open COM port!"+ioex.ToString()+" Check settings...");
};
try
{
// create batt mon log file name using ser port name and current date-time
strBatMonLogFileName=strIn_SerPortName + "_batt_mon_" + DateTime.Now.Hour.ToString("00") + DateTime.Now.Minute.ToString("00") + DateTime.Now.Second.ToString("00") + ".log";
// open battery logging file
m_OutLogfile=new System.IO.StreamWriter(strBatMonLogFileName, true);
m_bLoggingToFile=true;
}
catch(IOException ioex)
{
Debug.WriteLine("Ser_Port_Listener() ctor: Error "+ ioex.ToString() +"! Cannot open log file");
m_OutLogfile=null;
m_bLoggingToFile=false;
};
if(false == bSerPortOkay)
{
Debug.WriteLine("Ser_Port_Listener(ERR) ctor failed to open serial port");
};
Debug.WriteLine("--Ser_Port_Listener() ctor");
}
