private static void DownloadProgram(DF1Comm.DF1Comm df1, string filename, string serialPort)
{
df1.ComPort = serialPort;
System.Collections.ObjectModel.Collection <DF1Comm.DF1Comm.PLCFileDetails> PLCFiles = new System.Collections.ObjectModel.Collection <DF1Comm.DF1Comm.PLCFileDetails>();
DF1Comm.DF1Comm.PLCFileDetails PLCFile = default(DF1Comm.DF1Comm.PLCFileDetails);
try
{
System.IO.StreamReader FileReader = new System.IO.StreamReader(filename);
string line = null;
System.Collections.ObjectModel.Collection <byte> data = new System.Collections.ObjectModel.Collection <byte>();
int linesCount = 0;
while (!(FileReader.EndOfStream))
{
line = FileReader.ReadLine();
PLCFile.FileType = Convert.ToByte(line, 16);
line = FileReader.ReadLine();
PLCFile.FileNumber = Convert.ToByte(line, 16);
line = FileReader.ReadLine();
data.Clear();
for (int i = 0; i <= line.Length / 2 - 1; i++)
{
data.Add(Convert.ToByte(line.Substring(i * 2, 2), 16));
}
byte[] dataC = new byte[data.Count];
data.CopyTo(dataC, 0);
PLCFile.data = dataC;
PLCFiles.Add(PLCFile);
linesCount += 1;
}
try
{
df1.DownloadProgramData(PLCFiles);
df1.SetRunMode();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
return;
}
Console.WriteLine("Successful Download");
return;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
return;
}
}
//Downloads program to PLC using specified file name and serial port
private static void DownloadProgram(DF1Comm.DF1Comm df1, IGpioConnectionDriver driver, GpioConnection gpioConnection, ProcessorPin redLED, OutputPinConfiguration greenLED, string filename, string serialPort)
{
startIdleTimer();
//turn on red LED while update is in progress
driver.Write(redLED, true);
//set serial port on DF1 class to serial port specified, e.g. "/dev/ttyUSB0"
df1.ComPort = serialPort;
//detectBaudRate(df1);
//Create new PLCFileDetails object
System.Collections.ObjectModel.Collection <DF1Comm.DF1Comm.PLCFileDetails> PLCFiles = new System.Collections.ObjectModel.Collection <DF1Comm.DF1Comm.PLCFileDetails>();
//Create new PLCFile with the defaults
DF1Comm.DF1Comm.PLCFileDetails PLCFile = default(DF1Comm.DF1Comm.PLCFileDetails);
//try reading the program file using the filename specified
try
{
//create fileReader to read from file
fileReader = new System.IO.StreamReader(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, filename));
//initialize string to hold contents of each line
string line = null;
//byte collection to hold raw data to send to PLC
System.Collections.ObjectModel.Collection <byte> data = new System.Collections.ObjectModel.Collection <byte>();
//loop until the end of the file is reached
//data is read in chunks of 3 lines
//the first line is the FileType
//the second line is the FileNumber
//and the third line is the data
//these are converted into a PLCFile and added to the PLCFiles collection
while (!(fileReader.EndOfStream))
{
//get the contents of the first line
line = fileReader.ReadLine();
//convert hex ascii to byte for FileType
PLCFile.FileType = Convert.ToByte(line, 16);
//get the contents of the second line
line = fileReader.ReadLine();
//convert hex ascii to byte for FileNumber
PLCFile.FileNumber = Convert.ToByte(line, 16);
//get the contents of the third line
line = fileReader.ReadLine();
//clear the data collection
data.Clear();
//loop through the entire line two characters at a time
for (int i = 0; i <= line.Length / 2 - 1; i++)
{
//convert each two character ascii hex byte into a byte and add to data collection
data.Add(Convert.ToByte(line.Substring(i * 2, 2), 16));
}
//create byte array the same length as data collection
byte[] dataC = new byte[data.Count];
//copy data collection to byte array
data.CopyTo(dataC, 0);
//assign byte array to PLCFile data property
PLCFile.data = dataC;
//add the PLCFile to the PLCFiles collection
PLCFiles.Add(PLCFile);
}
//try to download the PLCfiles to the PLC
try
{
df1.DownloadProgramData(PLCFiles);
//set the PLC back to Run mode when download is complete
df1.SetRunMode();
}
//write the error to the console if an error occurs downloading the program
catch (Exception ex)
{
Console.WriteLine("Error Downloading Program. " + ex.Message + " " + ex.StackTrace);
rapidBlink(driver, redLED);
startIdleTimer();
return;
}
//turn off red LED when update is complete
driver.Write(redLED, false);
//write a success message to the console if completed without errors
Console.WriteLine("Successful Download");
//turn on green LED for 5 seconds when update is complete
gpioConnection.Blink(greenLED, TimeSpan.FromSeconds(5));
//reset the idle shutdown timer
startIdleTimer();
fileReader.Close();
return;
}
//catch errors reading the program file
catch (Exception ex)
{
//write the error to the console if an error occurs reading the program file
Console.WriteLine("Error Reading Program File for Download. " + ex.Message + " " + ex.StackTrace);
//blink red LED to indicate problem with upload
rapidBlink(driver, redLED);
//reset the idle shutdown timer
startIdleTimer();
if (fileReader != null)
{
fileReader.Close();
}
return;
}
}