/*-----------------------START_TEST-------------------------------*/
//Start Test Button Handling COMMUNICATION HAPPENS HERE
private void button1_Click(object sender, EventArgs e)
{
//The button says pause test so a test has already been started
if (run_test_button.Text == "Pause Test")
{
//change the button to a neutral color and say resume test
run_test_button.BackColor = System.Drawing.Color.Blue;
run_test_button.Text = "Resume Test";
}
//The button says resume test because a test has already been started and paused and no values have been channged since then
else if (run_test_button.Text == "Resume Test")
{
//send some form of restart signal to the edison
}
//The button says start test so it is starting a new test
else
{
//If the frequency start and end are ready and the start is less than the end value
if (frequency_start_ready == true && frequency_end_ready == true && frequency_end > frequency_start)
{
frequency_ready = true;
}
//The frequency start and end are not ready or the start is not less than the end value
else
{
frequency_ready = false;
}
//All the values are ready and the file name is not empty
if (amplitude_ready == true && frequency_ready == true && sweep_ready == true && offset_ready == true && file_name_val.Text != "")
{
String fileName = file_name_val.Text;
//Default to .csv
fileName += ".csv";
//reset the label
file_name_label.ForeColor = System.Drawing.Color.Black;
file_name_label.Text = "Output File Name:";
//get invalid file name characters
char[] invalid = Path.GetInvalidFileNameChars();
bool contains_invalid = false;
//check if the filename has invalid characters
for (int i = 0; i < invalid.Length; i++)
{
String c = invalid[i].ToString();
if (fileName.Contains(c))
{
contains_invalid = true;
}
}
//The file name does not have any invalid characters
if (contains_invalid == false)
{
//reset the label
file_name_label.ForeColor = System.Drawing.Color.Black;
file_name_label.Text = "Output File Name:";
//set the path name
String pathString = System.IO.Path.Combine(workspace, fileName);
//if the file doesn't already exist
if (!File.Exists(pathString))
{
//reset the label
file_name_label.ForeColor = System.Drawing.Color.Black;
file_name_label.Text = "Output File Name:";
bool handshake_success;
if (!debug)
{
handshake_success = com.HandShake("HI");
}
else
{
handshake_success = true;
}
if (handshake_success)
{
int i = 0;
bool start = true, end = true, rate = true, sw = true, amp = true, off = true;
if (!debug)
{
//communication stuff: transmit the user input to the Edison
start = com.Transmit((i++) + "" + frequency_str_start);
end = com.Transmit((i++) + "" + frequency_str_end);
rate = com.Transmit((i++) + "" + sweep_rate_str);
string type;
if (sweep_type)
{
type = "0";
}
else
{
type = "1";
}
sw = com.Transmit((i++) + "" + type);
amp = com.Transmit((i++) + "" + amplitude_str);
off = com.Transmit((i++) + "" + offset_str);
}
if (start && end && rate && sw && amp && off)
{
//reset the button (will need to be moved to a different location later)
run_test_button.BackColor = System.Drawing.Color.Red;
run_test_button.Text = "Pause Test";
this.path = pathString;
if (!debug)
{
//Edison communication
using (System.IO.StreamWriter file = new System.IO.StreamWriter(@pathString))
{
//initialize the file with the user inputs
file.WriteLine("Start Frequency: " + frequency_start);
file.WriteLine("End Frequency: " + frequency_end);
file.WriteLine("Amplitude: " + amplitude);
if (sweep_type)
{
file.WriteLine("Linear Sweep Rate: " + this.sweep);
}
else
{
file.WriteLine("Logarithmic Sweep Rate: " + this.sweep);
}
file.WriteLine("DC Offset: " + offset);
file.WriteLine("Frequency Gain Phase Change");
test_output_label.Text = "Test in Progress";
//read the output from the Edison
com.ReadIn();
String output = com.output;
//While we have not reached the end of the output
while (output[0] != 'E')
{
//write the output to the file
file.WriteLine(output);
/* Multithreading should be added here in the future. */
//System.Threading.Thread newThread =new System.Threading.Thread(com.ReadIn);
//newThread.Start();
//while(output==com.output)
//{
//}
//Read in the next output
com.ReadIn();
output = com.output;
}
}
}
else
{
//dummy data is being written to a file
using (System.IO.StreamWriter file = new System.IO.StreamWriter(@pathString))
{
//write the user inputs to the file
file.WriteLine("Start Frequency: " + frequency_start);
file.WriteLine("End Frequency: " + frequency_end);
file.WriteLine("Amplitude: " + amplitude);
if (sweep_type)
{
file.WriteLine("Linear Sweep Rate: " + this.sweep);
}
else
{
file.WriteLine("Logarithmic Sweep Rate: " + this.sweep);
}
file.WriteLine("DC Offset: " + offset);
file.WriteLine("Frequency Gain Phase Change");
//Write random data to the file at each of the intervals for frequency
Random test = new Random();
float f = frequency_start;
for (i = 1; f <= frequency_end; i++)
{
file.WriteLine(f + "," + Math.Round((test.NextDouble() * amplitude * i), 3) + "," + Math.Round((test.NextDouble() * Math.Abs(offset * i)), 3));
f = (frequency_start + (i * sweep));
}
}
}
//set the test to complete (will need to be moved to a different location later)
test_complete = true;
run_test_button.BackColor = System.Drawing.Color.Green;
run_test_button.Text = "Start Test";
//reset the output label (will need to be moved to a different location later)
test_output_label.ForeColor = System.Drawing.Color.Green;
test_output_label.Text = "Test Complete";
}
//Output an error when the data transmission fails
else
{
test_output_label.ForeColor = System.Drawing.Color.Red;
test_output_label.Text = "Data Transmission Failed";
}
}
//Output an error when the communication fails
else
{
test_output_label.ForeColor = System.Drawing.Color.Red;
test_output_label.Text = "Communication Failure";
}
}
//The file name already exists, set the label to invalid
else
{
file_name_label.ForeColor = System.Drawing.Color.Red;
file_name_label.Text = "File name already exists";
}
}
//The file name has invalid characters, set the label to invalid
else
{
file_name_label.ForeColor = System.Drawing.Color.Red;
file_name_label.Text = "Invalid File Name";
}
}
//one of the values has not been set or is still not valid
else
{
test_output_label.ForeColor = System.Drawing.Color.Red;
test_output_label.Text = "One or more values not set or valid";
}
}
}