//*********************************************************************************************
// verifySequence_runTest()
// Tests the verifySequence state machine.
// It prints instructions to the touch-screen. The user responds by tapping the
// correct colors to match the sequence.
// Users can test the error conditions by waiting too long to tap a color or
// by tapping an incorrect color.
//*********************************************************************************************
void verifySequence_runTest()
{
display_init(); // Always must do this.
buttons_init(); // Need to use the push-button package so user can quit.
int16_t sequenceLength = ONE; // Start out with a sequence length of 1.
verifySequence_printInstructions(sequenceLength, false); // Tell the user what to do.
utils_msDelay(MESSAGE_WAIT_MS); // Give them a few seconds to read the instructions.
simonDisplay_drawAllButtons() // Now, draw the buttons.
// Set the test sequence and it's length.
globals_setSequence(verifySequence_testSequence, MAX_TEST_SEQUENCE_LENGTH);
globals_setSequenceIterationLength(sequenceLength);
// Enable the verifySequence state machine.
verifySequence_enable(); // Everything is interlocked, so first enable the machine.
while (!(buttons_read() & BTN0))// Need to hold button until it quits as you might be stuck in a delay.
{
// verifySequence uses the buttonHandler state machine so you need to "tick" both of them.
verifySequence_tick(); // Advance the verifySequence state machine.
simonbuttonHandler_tick(); // Advance the buttonHandler state machine.
utils_msDelay(ONE_MS); // Wait 1 ms.
// If the verifySequence state machine has finished, check the result, otherwise just keep ticking both machines.
if (verifySequence_isComplete())
{
if (verifySequence_isTimeOutError())
{ // Was the user too slow?
verifySequence_printInfoMessage(user_time_out_e); // Yes, tell the user that they were too slow.
}
else if (verifySequence_isUserInputError())
{ // Did the user tap the wrong color?
verifySequence_printInfoMessage(user_wrong_sequence_e); // Yes, tell them so.
}
else
{
verifySequence_printInfoMessage(user_correct_sequence_e); // User was correct if you get here.
}
utils_msDelay(MESSAGE_WAIT_MS); // Allow the user to read the message.
sequenceLength = incrementSequenceLength(sequenceLength); // Increment the sequence.
globals_setSequenceIterationLength(sequenceLength); // Set the length for the verifySequence state machine.
verifySequence_printInstructions(sequenceLength, V_ENABLED); // Print the instructions.
utils_msDelay(MESSAGE_WAIT_MS); // Let the user read the instructions.
verifySequence_drawButtons(); // Draw the buttons.
verifySequence_disable(); // Interlock: first step of handshake.
verifySequence_tick(); // Advance the verifySequence machine.
utils_msDelay(ONE_MS); // Wait for 1 ms.
verifySequence_enable(); // Interlock: second step of handshake.
utils_msDelay(ONE_MS); // Wait 1 ms.
}
}
verifySequence_printInfoMessage(user_quit_e); // Quitting, print out an informational message.
}
// I used a busy-wait delay (utils_msDelay) that uses a for-loop and just blocks until the time has passed.
// When you implement the game, you CANNOT use this function as we discussed in class. Implement the delay
// using the non-blocking state-machine approach discussed in class.
void simonDisplay_runTest(uint16_t touchCount) {
display_init(); // Always initialize the display.
char str[MAX_STR]; // Enough for some simple printing.
uint8_t regionNumber;
uint16_t touches = 0;
// Write an informational message and wait for the user to touch the LCD.
display_fillScreen(DISPLAY_BLACK); // clear the screen.
display_setCursor(0, display_height()/2); //
display_setTextSize(TEXT_SIZE);
display_setTextColor(DISPLAY_RED, DISPLAY_BLACK);
sprintf(str, "Touch and release to start the Simon demo.");
display_println(str);
display_println();
sprintf(str, "Demo will terminate after %d touches.", touchCount);
display_println(str);
while (!display_isTouched()); // Wait here until the screen is touched.
while (display_isTouched()); // Now wait until the touch is released.
display_fillScreen(DISPLAY_BLACK); // Clear the screen.
simonDisplay_drawAllButtons(); // Draw all of the buttons.
bool touched = false; // Keep track of when the pad is touched.
int16_t x, y; // Use these to keep track of coordinates.
uint8_t z; // This is the relative touch pressure.
while (touches < touchCount) { // Run the loop according to the number of touches passed in.
if (!display_isTouched() && touched) { // user has stopped touching the pad.
simonDisplay_drawSquare(regionNumber, true); // Erase the square.
simonDisplay_drawButton(regionNumber); // DISPLAY_REDraw the button.
touched = false; // Released the touch, set touched to false.
} else if (display_isTouched() && !touched) { // User started touching the pad.
touched = true; // Just touched the pad, set touched = true.
touches++; // Keep track of the number of touches.
display_clearOldTouchData(); // Get rid of data from previous touches.
// Must wait this many milliseconds for the chip to do analog processing.
utils_msDelay(TOUCH_PANEL_ANALOG_PROCESSING_DELAY_IN_MS);
display_getTouchedPoint(&x, &y, &z); // After the wait, get the touched point.
regionNumber = simonDisplay_computeRegionNumber(x, y);// Compute the region number.
simonDisplay_drawSquare(regionNumber, false); // Draw the square (erase = false).
}
}
// Done with the demo, write an informational message to the user.
display_fillScreen(DISPLAY_BLACK); // clear the screen.
display_setCursor(0, display_height()/2); // Place the cursor in the middle of the screen.
display_setTextSize(2); // Make it readable.
display_setTextColor(DISPLAY_RED, DISPLAY_BLACK); // red is foreground color, black is background color.
sprintf(str, "Simon demo terminated"); // Format a string using sprintf.
display_println(str); // Print it to the LCD.
sprintf(str, "after %d touches.", touchCount); // Format the rest of the string.
display_println(str); // Print it to the LCD.
}
// Just clears the screen and draws the four buttons used in Simon.
void verifySequence_drawButtons() {
display_fillScreen(DISPLAY_BLACK);
simonDisplay_drawAllButtons(); // Draw the four buttons.
}
void simonControl_tick()
{
SC_debugStatePrint();
/// //ACTIONS***********************************************************************
switch(SC_State)
{
case SC_init_st:
//do nothing
break;
case SC_instructions_st:
display_setTextColor(DISPLAY_WHITE);
display_setCursor(SC_INSTRUCTION_CURSORX,SC_INSTRUCTION_CURSORY);
display_setTextSize(SC_INSTRUCTION_TEXTSIZE);
display_println(SC_INSTRUCTIONS);
break;
case SC_wait_first_touch_st:
// do nothing
break;
case SC_get_sequence_st:
SC_currentScore = 0; //reset
SC_setSequence();
break;
case SC_flash_sequence_st:
//do nothing
break;
case SC_verify_sequence_st:
//do nothing
break;
case SC_error_st:
errorTimer++;
if (verifySequence_isTimeOutError()) // user didn't press
{
display_setTextSize(SC_TEXTSIZE);
display_println(ERROR_MESSAGE_TIMEOUT);
}
else if (verifySequence_isUserInputError()) //pressed wrong input
{
display_setTextSize(SC_TEXTSIZE);
display_println(ERROR_MESSAGE_INPUT);
}
verifySequence_disable(); //set this here so we can read these flags. disable resets the error flags
break;
case SC_print_score_st:
sprintf(maxScoreString, SC_HIGHSCORE_MESSAGE, SC_maxScore);
display_setTextSize(SC_TEXTSIZE); //decrease text size
display_println(maxScoreString);
//reset scores, index, and sequence
SC_currentIndex = 1; //reset to 1. since this is sequence length, when we setSequence, don't put to zero
SC_maxScore = 0; //reset
errorTimer = 0; //reset timer
lvlMessageTimer = 0;
break;
case SC_level_complete_st:
lvlMessageTimer++;
if(printFlag) //set a flag so it doesn't keep being printed
{
display_println(SC_LVL_MESSAGE);
printFlag = false; //switch flag
}
break;
default:
printf(SC_ERROR_MESSAGE); //invalid state
break;
}
//TRANSITIONS***********************************************************************
switch(SC_State)
{
case SC_init_st:
SC_State = SC_instructions_st; //just go to instructions
break;
case SC_instructions_st:
SC_State = SC_wait_first_touch_st; //go wait after drawing.
break;
case SC_wait_first_touch_st:
if (display_isTouched()) //if touched, move ahead
{
SC_State = SC_get_sequence_st;
display_fillScreen(DISPLAY_BLACK); //clear screen of instructions
}
break;
case SC_get_sequence_st:
SC_State = SC_flash_sequence_st;
flashSequence_enable();
break;
case SC_flash_sequence_st:
if (flashSequence_completed())
{
SC_State = SC_verify_sequence_st; //go to verify
flashSequence_disable(); //disable flash machine
simonDisplay_drawAllButtons(); //draw the buttons upon exit
verifySequence_enable();
}
break;
case SC_verify_sequence_st:
if (verifySequence_isComplete()) //done verifying
{
//if there a time out error or wrong input error
if (verifySequence_isTimeOutError() || verifySequence_isUserInputError()) //no errors
{
SC_State = SC_error_st;
display_fillScreen(DISPLAY_BLACK); //clear buttons off screen
}
//level complete
else if (globals_getSequenceIterationLength() == SC_sequence_length)
{
SC_sequence_length++;
SC_State = SC_level_complete_st;
verifySequence_disable();
display_fillScreen(DISPLAY_BLACK); //clear buttons off screen
SC_currentIndex = 1; //reset
SC_maxScore = SC_currentScore;
}
else
{
SC_State = SC_flash_sequence_st;
flashSequence_enable();
SC_currentIndex++; //how many to flash?
globals_setSequenceIterationLength(SC_currentIndex); //udate how many to falsh
verifySequence_disable();
display_fillScreen(DISPLAY_BLACK); //clear buttons off screen
SC_currentScore++;
if (SC_currentScore > SC_maxScore) //before first level is complete, maxScore doesn't get set
{
SC_maxScore = SC_currentScore; //this mostly before first level is complete
}
}
}
break;
case SC_error_st:
if (errorTimer >= SC_ERROR_EXPIRE)
{
SC_State = SC_print_score_st; //print highest score
display_fillScreen(DISPLAY_BLACK);
}
break;
case SC_print_score_st:
SC_State = SC_instructions_st;
SC_maxScore = 0; //reset the maxScore!
sequenceSeed++; //change the seed
break;
case SC_level_complete_st:
if (lvlMessageTimer > SC_LVL_MESSAGE_EXPIRE) //timed out
{
SC_State = SC_print_score_st;
}
else if (display_isTouched())
{
SC_State = SC_instructions_st;
display_fillScreen(DISPLAY_BLACK); // clear screen
sequenceSeed++; //change the seed
printFlag = true; //rest print flag
}
break;
default:
printf(SC_ERROR_MESSAGE);
break;
}
}