/*
* Function that runs a countdown between stimulations. It doesn't really show the countdown to the user
*
* count = number of seconds of the countdown
*/
private void showCountDown(int count)
{
countdown = count; // Set the global variable 'countdown'
screenState = screen_states.COUNTDOWN; // Set the screen to countdown mode
timer1.Interval = 1000; // Interval between each tick (ms)
timer1.Enabled = true; // Enable the timer
timer1.Start(); // Start the countdown
}
private void showCountDown(int count)
{
countdown = count;
screenState = screen_states.COUNTDOWN;
label_countDown.Visible = true;
label_countDown.Text = countdown.ToString();
timer1.Interval = 1000; // voltar pra 1000
timer1.Enabled = true;
timer1.Start();
}
private void button_start_Click(object sender, EventArgs e)
{
if (testStep == test_step.STOPPED)
{
button_start.Visible = false;
testStep = test_step.TEXTURE_IMAGES;
screenState = screen_states.COUNTDOWN;
sequenceIndex = 1;
showCountDown(5);
button_status.Focus();
}
}
/*
* Event called whrn the button 'Start' is pressed.
* It changes the system's states in order to start the protocol.
*/
private void button_start_Click(object sender, EventArgs e)
{
if (testStep == test_step.STOPPED)
{
button_start.Visible = false; // Hide the button
testStep = test_step.TEXTURE_IMAGES; // Change the stimulation state
screenState = screen_states.COUNTDOWN; // Change the screen state
sequenceIndex = 1; // Set the first texture of the sequence
updateTexture(sequenceIndex); // Transfer the spike data to uC
showCountDown(5); // Start the countdown
button_status.Focus(); // Focus on a hidden button
}
}
/*
* Starts the Stimulation when the uC is already updated
*/
private void startStimulation()
{
timer1.Stop();
checkSerialState();
if (serial_States != serial_states.UPDATED)
{
MessageBox.Show("Something is wrong with the connection\nEstado: " + serial_States.ToString(),
"Erro", MessageBoxButtons.OK,
MessageBoxIcon.Error);
// ************************** COLOCAR QUE FUNCÃO FINALIZA O PROTOCOLO E FECHA A TELA **********
endStimulation(false);
Application.Exit();
return;
}
// Set the uC to start the stimulation
telaSpikes.ESPSerial.WriteLine(Protocolos.iniciar);
// Wait the uC for confirming the stimulation start
do
{
checkSerialState();
} while (serial_States != serial_states.INITIATED);
// Start the stimulation after the uC confirm
if (testStep == test_step.STIMULATION_ON)
{
timer1.Interval = texture_duration; // Set the timer for the stimulation duration control
interval.Start(); // Start the stopwatch
screenState = screen_states.CROSS; // Change the screen state to appear the Cross
label_countDown.Visible = true;
label_countDown.Text = "+";
timer1.Start(); //Start the timer for the stimulation of 'texture_duration' seconds
}
}
private void startStimulation()
{
timer1.Stop();
checkSerialState();
if (serial_States != serial_states.UPDATED)
{
MessageBox.Show("Something is wrong with the connection\nEstado: " + serial_States.ToString(),
"Erro", MessageBoxButtons.OK,
MessageBoxIcon.Error);
// ************************** COLOCAR QUE FUNCÃO FINALIZA O PROTOCOLO E FECHA A TELA **********
return;
}
telaSpikes.ESPSerial.WriteLine(Protocolos.iniciar);
timer1.Interval = 7300;
do
{
checkSerialState();
} while (serial_States != serial_states.INITIATED);
interval.Start();
screenState = screen_states.CROSS;
label_countDown.Visible = true;
label_countDown.Text = "+";
progressBar_cross.Visible = true;
progressBar_cross.Value = 0;
increment_progBar.Resume();
timer1.Start(); // Inicia o timer de 7.3 s
label_counter.Text = (textureSeqIndex + 1).ToString();
button_status.BackColor = Color.Red;
}
private void timer1_Tick(object sender, EventArgs e)
{
switch (screenState)
{
case screen_states.COUNTDOWN:
countdown--;
if (countdown == 0)
{
timer1.Stop();
if (testStep == test_step.TEXTURE_IMAGES)
{
label_countDown.Visible = false;
screenState = screen_states.IMAGE;
showTextures();
}
else if (testStep == test_step.WAITING_FOR_START)
{
testStep = test_step.STIMULATION_ON;
Console.WriteLine("Before start");
startStimulation();
Console.WriteLine("Started");
}
else if (testStep == test_step.STIMULATION_ON)
{
startStimulation();
}
break;
}
label_countDown.Text = countdown.ToString();
break;
case screen_states.IMAGE:
if (sequenceIndex == 3)
{
sequenceIndex = 0;
timer1.Stop();
testStep = test_step.WAITING_FOR_START;
pictureBox_textura.Image = null;
screenState = screen_states.COUNTDOWN;
showCountDown(10);
sequenceIndex = 0;
updateTexture();
break;
}
timer1.Stop();
timer1.Enabled = false;
screenState = screen_states.COUNTDOWN;
pictureBox_textura.Image = null;
showCountDown(5);
sequenceIndex++;
break;
case screen_states.CROSS:
endStimulation(false);
break;
}
}
/*
* The function called each time a tick occurs in the timer1
*
* If the screen is in COUNTDOWN state, it decreases the 'countdown' variable each tick.
* When it reached 0, it starts an stimulation according to the 'test_step' state
*
* If the screen is in IMAGE state, it removes the image from the screen and restart the countdown
*/
private void timer1_Tick(object sender, EventArgs e)
{
switch (screenState)
{
// COUNTDOWN is the screen state where the screen is black
case screen_states.COUNTDOWN:
countdown--;
if (countdown == 0)
{
timer1.Stop();
if (testStep == test_step.TEXTURE_IMAGES) // Step of showing the textures with images
{
screenState = screen_states.IMAGE; // Change the scren state
startStimulation(); // Start the stimulation with the texture image
showTextures(); // Show the texture image
}
// After showing images and before starting the 15 stimualtions sequence
else if (testStep == test_step.WAITING_FOR_START)
{
testStep = test_step.STIMULATION_ON; // Change test step
Console.WriteLine("Before start");
startStimulation(); // Start the first stimulation of the 15 sequence
Console.WriteLine("Started");
}
// The 15 sequence has already started
else if (testStep == test_step.STIMULATION_ON)
{
startStimulation();
}
break;
}
break;
case screen_states.IMAGE: // When showing the texture images
endStimulation(false); // Stop the stimulation
// If it is the last image, pass to the next step of the protocol
if (sequenceIndex == 3)
{
sequenceIndex = 0; // Reset the sequence
timer1.Stop();
testStep = test_step.WAITING_FOR_START; // Chenge the protocol step
pictureBox_textura.Image = null; // Removes the image from the screen
screenState = screen_states.COUNTDOWN; // Updates the screen state
showCountDown(10); // Start a 10 seconds countdown
sequenceIndex = 0;
updateTexture(0); // Load the texture into the uC
break;
}
// If its not the last image, set a seconds countdown before the next image
timer1.Stop();
timer1.Enabled = false;
screenState = screen_states.COUNTDOWN;
pictureBox_textura.Image = null;
updateTexture(sequenceIndex);
showCountDown(5);
sequenceIndex++;
break;
case screen_states.CROSS: // The 15 sequence stimulations
endStimulation(false); // Stop the stimulation and prepare for the next
break;
}
}
