Dan Tomlinson
A retro gaming programme, designed for use on a portable embedded system. Incorporates power saving techniques.
Dependencies: ConfigFile N5110 PowerControl beep mbed
Diff: main.cpp
- Revision:
- 11:6b8416a8ddb3
- Parent:
- 10:947d35365ab8
- Child:
- 12:eedda6554615
--- a/main.cpp Thu Apr 16 16:23:42 2015 +0000
+++ b/main.cpp Thu Apr 16 20:39:57 2015 +0000
@@ -151,74 +151,6 @@
wait(0.6);
}
-//selection menu///////////////////////////////////////////
-void mainMenu()
-{
- //bottom border
- lcd.drawRect(0,47,84,0,1);
- //top border
- lcd.drawRect(0,0,84,2,1);
-
- //print 'Xtreme Tower'
- lcd.printString("Xtreme",4,25);
- lcd.printString("Tower",44,25);
-
- //title outline
- lcd.drawRect(3,6,77,10,0);
-
-////castle //x, y, w, h, fill//////////////////////
-
- //castle main bulk
- lcd.drawRect(59,32,21,8,1);
-
- //left window bulk
- lcd.drawRect(59,22,2,10,1);
- //centre left window bulk
- lcd.drawRect(65,22,2,10,1);
- //centre right window bulk
- lcd.drawRect(72,22,2,10,1);
- //right window bulk
- lcd.drawRect(78,22,2,10,1);
- //central window bulk
- lcd.drawRect(68,25,3,7,1);
-
- //central window bulk
- lcd.drawRect(75,28,0,0,1);
- lcd.drawRect(77,28,0,0,1);
- lcd.drawRect(64,28,0,0,1);
- lcd.drawRect(62,28,0,0,1);
-
- //above left window bulk
- lcd.drawRect(62,25,3,2,1);
- //above right window bulk
- lcd.drawRect(75,25,2,2,1);
-
- //lower right line
- lcd.drawRect(71,42,9,0,1);
- //upper right line
- lcd.drawRect(70,41,10,0,1);
-
- //upper left line
- lcd.drawRect(59,41,10,0,1);
- //lower left line
- lcd.drawRect(59,42,9,0,1);
-
- //bottom left bulk
- lcd.drawRect(59,43,8,3,1);
- //bottom right bulk
- lcd.drawRect(72,43,8,3,1);
-
- //option arrows - lower
- lcd.drawRect(27,42,4,0,1);
- lcd.drawRect(28,43,2,0,1);
- lcd.drawRect(29,44,0,0,1);
-
- //option arrows - higher
- lcd.drawRect(27,29,4,0,1);
- lcd.drawRect(28,28,2,0,1);
- lcd.drawRect(29,27,0,0,1);
-}
-
// static background
void backGround()
{
@@ -413,6 +345,23 @@
}
}
+//void writeDataToFile(float data, char dataTwo[30])
+//{
+// leds = 15; // turn on LEDs for feedback
+// FILE *fp = fopen("/local/datalog.csv", "a"); // open 'log.txt' for appending
+//
+// time_t seconds = time(NULL); // get current time
+//
+// // format time into a string (time and date)
+// strftime(dataTwo, 30 , "%R %x", localtime(&seconds));
+//
+// // if the file doesn't exist it is created, if it exists, data is appended to the end
+// fprintf(fp,"%s, %.2f \n",dataTwo,data); // print string to file
+//
+// fclose(fp); // close file
+// leds = 0; // turn off LEDs to signify file access has finished
+//}
+
// clears old pixels and keeps set pixels
void startrek()
{
@@ -464,17 +413,19 @@
}
lcd.refresh();
}
+
// sound / light when buttonA is closed
void actionButton()
{
buttonA.mode(PullDown);
if (buttonA == 1) {
ledY = 1;
- buzzer.beep(1000,0.2);//frequeny/duration
-
- serial.printf("buttonA\n");//for debugging
+ //buzzer.beep(1000,0.2);//frequeny/duration
+
+ serial.printf("buttonA\n");//for debugging
} else {
- ledY = 0;}
+ ledY = 0;
+ }
}
// sound / light when buttonB is closed
@@ -483,27 +434,236 @@
buttonB.mode(PullDown);
if (buttonB == 1) {
ledY = 1;
- buzzer.beep(400,0.2);//frequency/duration
-
+ //buzzer.beep(400,0.2);//frequency/duration
+
serial.printf("buttonB\n");//for debugging
} else {
- ledY = 0;}
+ ledY = 0;
+ }
+}
+
+// presents main menu options
+void mainMenu(int& mainOption)
+{
+ actionButton();//set audible/light for button
+
+ // joystick selection
+ if (printFlag) { //if flag set, clear flag and print joystick values to serial port
+ printFlag = 0;
+
+ // option up
+ if (joystick.direction == UP) {
+ serial.printf(" UP\n");
+ mainOption = mainOption--;
+ if (mainOption < 0)mainOption = 0;
+ }
+ // option down
+ if (joystick.direction == DOWN) {
+ serial.printf(" DOWN\n");
+ mainOption = mainOption++;
+ if (mainOption > 2)mainOption = 2;
+ }
+ // Centre / Unknown orientation
+ if (joystick.direction == CENTRE)
+ serial.printf(" CENTRE\n");
+ if (joystick.direction == UNKNOWN)
+ serial.printf(" Unsupported direction\n");
+
+ // 'Play Game' option 1
+ if (mainOption == 0) {
+ lcd.printString("Play Game",3,4);
+ }
+ // 'High Scores' option 2
+ if (mainOption == 1) {
+ lcd.printString(" Scores ",3,4);
+ }
+ // 'Options' option 3
+ if (mainOption == 2) {
+ lcd.printString(" Options ",3,4);
+ }
+ }
+}
+
+// draws main menu
+void drawMainMenu()
+{
+ //bottom border
+ lcd.drawRect(0,47,84,0,1);
+ //top border
+ lcd.drawRect(0,0,84,2,1);
+
+ //print 'Xtreme Tower'
+ lcd.printString("Xtreme",4,25);
+ lcd.printString("Tower",44,25);
+
+ //title outline
+ lcd.drawRect(3,6,77,10,0);
+
+////castle //x, y, w, h, fill//////////////////////
+
+ //castle main bulk
+ lcd.drawRect(59,32,21,8,1);
+
+ //left window bulk
+ lcd.drawRect(59,22,2,10,1);
+ //centre left window bulk
+ lcd.drawRect(65,22,2,10,1);
+ //centre right window bulk
+ lcd.drawRect(72,22,2,10,1);
+ //right window bulk
+ lcd.drawRect(78,22,2,10,1);
+ //central window bulk
+ lcd.drawRect(68,25,3,7,1);
+
+ //central window bulk
+ lcd.drawRect(75,28,0,0,1);
+ lcd.drawRect(77,28,0,0,1);
+ lcd.drawRect(64,28,0,0,1);
+ lcd.drawRect(62,28,0,0,1);
+
+ //above left window bulk
+ lcd.drawRect(62,25,3,2,1);
+ //above right window bulk
+ lcd.drawRect(75,25,2,2,1);
+
+ //lower right line
+ lcd.drawRect(71,42,9,0,1);
+ //upper right line
+ lcd.drawRect(70,41,10,0,1);
+
+ //upper left line
+ lcd.drawRect(59,41,10,0,1);
+ //lower left line
+ lcd.drawRect(59,42,9,0,1);
+
+ //bottom left bulk
+ lcd.drawRect(59,43,8,3,1);
+ //bottom right bulk
+ lcd.drawRect(72,43,8,3,1);
+
+ //option arrows - lower
+ lcd.drawRect(27,42,4,0,1);
+ lcd.drawRect(28,43,2,0,1);
+ lcd.drawRect(29,44,0,0,1);
+
+ //option arrows - higher
+ lcd.drawRect(27,29,4,0,1);
+ lcd.drawRect(28,28,2,0,1);
+ lcd.drawRect(29,27,0,0,1);
+}
+
+// presents exit menu options
+void exitMenu(int& exitOption)
+{
+
+ if (printFlag) { //if flag set, clear flag and print joystick values to serial port
+ printFlag = 0;
+
+ // check joystick direction
+ if (joystick.direction == LEFT) {
+ serial.printf(" LEFT\n");
+ exitOption--;
+ if(exitOption < 0)exitOption = 0;
+ }
+ if (joystick.direction == RIGHT) {
+ serial.printf(" RIGHT\n");
+ exitOption++;
+ if(exitOption > 1)exitOption = 1;
+ }
+ if (joystick.direction == CENTRE)
+ serial.printf(" CENTRE\n");
+ if (joystick.direction == UNKNOWN)
+ serial.printf(" Unsupported direction\n");
+ }
+ // draws option cursor
+ if(exitOption == 0) {
+ lcd.printString("YES",29,27);
+ }
+ if(exitOption == 1) {
+ lcd.printString(" NO",29,27);
+ }
+}
+
+// draws exit menu
+void drawExitMenu()
+{
+ // set exit menu
+ lcd.clear();
+ lcd.drawRect(8,6,70,30,0);//title outline
+ lcd.printString("Exit Game?",10,25);
+ backGround();
+
+ // option arrow - right
+ lcd.drawRect(55,25,0,4,1);
+ lcd.drawRect(56,26,0,2,1);
+ lcd.drawRect(57,27,0,0,1);
+
+ // option arrow - left
+ lcd.drawRect(27,25,0,4,1);
+ lcd.drawRect(26,26,0,2,1);
+ lcd.drawRect(25,27,0,0,1);
+}
+
+void optionsMenu(int& option)
+{
+ // joystick selection
+ if (printFlag) { //if flag set, clear flag and print joystick values to serial port
+ printFlag = 0;
+
+ // option up
+ if (joystick.direction == UP) {
+ serial.printf(" UP\n");
+ option = option--;
+ if (option < 0)option = 0;
+ }
+ // option down
+ if (joystick.direction == DOWN) {
+ serial.printf(" DOWN\n");
+ option = option++;
+ if (option > 1)option = 1;
+ }
+ // Centre / Unknown orientation
+ if (joystick.direction == CENTRE)
+ serial.printf(" CENTRE\n");
+ if (joystick.direction == UNKNOWN)
+ serial.printf(" Unsupported direction\n");
+
+ // 'Difficulty' option 1
+ if (option == 0) {
+ lcd.drawCircle(72,27,2,1);
+ refreshCursor3();
+ }
+ // 'Sound FX' option 2
+ if (option == 1) {
+ lcd.drawCircle(72,35,2,1);
+ refreshCursor2();
+ }
+ }
+}
+
+void drawOptionsMenu()
+{
+ lcd.clear();//clear screen
+ backGround();
+ lcd.drawRect(3,6,77,10,0);//title outline
+ lcd.drawRect(0,47,84,0,1);//bottom border
+ lcd.drawRect(0,0,84,2,1);//top border
+ lcd.printString("Options",20,7);//title
+ lcd.printString("Difficulty",3,9);
+ lcd.printString("Sound FX",3,10);
}
int main()
{
- // Power indicator - RED LED
- ledR = 1;
+ ledR = 1;//power LED on
- // helps return exit menu to main menu loop
- int exitFlag = 0;
+ int exitFlag = 0;//exit flag
- // initialize time seed for psuedo randomaisation
- srand (time(NULL));
+ srand (time(NULL));//initial seed for randomisation
- // generate random x co-ordinates for falling hazards
- // (initial values only)
- // value between 3 and 76
+ // initial random x co-ordinates
+ // for falling hazards
+ // (values between 3 and 76)
randX1 = rand() % 74 + 5;
randX2 = rand() % 74 + 5;
randX3 = rand() % 74 + 5;
@@ -514,7 +674,6 @@
calibrateJoystick();//get centred values of joystick
pollJoystick.attach(&updateJoystick,1.0/10.0);//read joystick 10 times per second
- // initialise menu
lcd.init();//initialise screen
welcome();//welcome screen
lcd.clear();//clear pixels
@@ -525,58 +684,19 @@
int option = 0;//counter for options menu
int subOption = 0;//counter for sub options menu
- // loop 1 - Main menu
+ // loop 1 - mainMenu
while(1) {
- mainMenu();
- actionButton();
+ drawMainMenu();//draws main menu
+ mainMenu(mainOption);//presents main menu options
- // joystick selection
- if (printFlag) { //if flag set, clear flag and print joystick values to serial port
- printFlag = 0;
-
- // option up
- if (joystick.direction == UP) {
- serial.printf(" UP\n");
- mainOption = mainOption--;
- if (mainOption < 0)mainOption = 0;
- }
- // option down
- if (joystick.direction == DOWN) {
- serial.printf(" DOWN\n");
- mainOption = mainOption++;
- if (mainOption > 2)mainOption = 2;
- }
- // Centre / Unknown orientation
- if (joystick.direction == CENTRE)
- serial.printf(" CENTRE\n");
- if (joystick.direction == UNKNOWN)
- serial.printf(" Unsupported direction\n");
-
- // 'Play Game' option 1
- if (mainOption == 0) {
- lcd.printString("Play Game",3,4);
- }
- // 'High Scores' option 2
- if (mainOption == 1) {
- lcd.printString(" Scores ",3,4);
- }
- // 'Options' option 3
- if (mainOption == 2) {
- lcd.printString(" Options ",3,4);
- }
- }
-
-//////////// Game Loop /////////////////////////////////////////////////////////////
-
- // 'Play Game' selected
+ // if 'Play Game' selected
if ((mainOption == 0)&&(buttonA == 1)) {
- lcd.clear();
-
actionButton();
backButton();
- backGround();
+ lcd.clear();//clears screen
+ backGround();//draw background
// loop 3 - Game loop
while(1) {
@@ -589,7 +709,6 @@
actionButton();
backButton();
-
pixelNinja();//set character
hazards();//initiates hazards
hazardFall();//increments hazards towards floor
@@ -662,50 +781,11 @@
if(buttonB == 1) {
- // set exit menu
- lcd.clear();
- lcd.drawRect(8,6,70,30,0);//title outline
- lcd.printString("Exit Game?",10,25);
- backGround();
-
- // option arrow - right
- lcd.drawRect(55,25,0,4,1);
- lcd.drawRect(56,26,0,2,1);
- lcd.drawRect(57,27,0,0,1);
-
- // option arrow - left
- lcd.drawRect(27,25,0,4,1);
- lcd.drawRect(26,26,0,2,1);
- lcd.drawRect(25,27,0,0,1);
+ drawExitMenu();//draws the escape menu
while(1) {
- if (printFlag) { //if flag set, clear flag and print joystick values to serial port
- printFlag = 0;
-
- // check joystick direction
- if (joystick.direction == LEFT) {
- serial.printf(" LEFT\n");
- exitOption--;
- if(exitOption < 0)exitOption = 0;
- }
- if (joystick.direction == RIGHT) {
- serial.printf(" RIGHT\n");
- exitOption++;
- if(exitOption > 1)exitOption = 1;
- }
- if (joystick.direction == CENTRE)
- serial.printf(" CENTRE\n");
- if (joystick.direction == UNKNOWN)
- serial.printf(" Unsupported direction\n");
- }
- // draws option cursor
- if(exitOption == 0) {
- lcd.printString("YES",29,27);
- }
- if(exitOption == 1) {
- lcd.printString(" NO",29,27);
- }
+ exitMenu(exitOption);//presents exit options
// 'exit' option YES
if((buttonA == 1)&&(exitOption == 0)) { //returns to menu
@@ -778,145 +858,105 @@
actionButton();
backButton();
-
- lcd.clear();//clear screen
-
- backGround();
- lcd.drawRect(3,6,77,10,0);//title outline
- lcd.drawRect(0,47,84,0,1);//bottom border
- lcd.drawRect(0,0,84,2,1);//top border
- lcd.printString("Options",20,7);//title
- lcd.printString("Difficulty",3,9);
- lcd.printString("Sound FX",3,10);
+ drawOptionsMenu();//draws options menu
while(1) {
actionButton();
backButton();
- // refreshCursor();
-
- // joystick selection
- if (printFlag) { //if flag set, clear flag and print joystick values to serial port
- printFlag = 0;
-
- // option up
- if (joystick.direction == UP) {
- serial.printf(" UP\n");
- option = option--;
- if (option < 0)option = 0;
- }
- // option down
- if (joystick.direction == DOWN) {
- serial.printf(" DOWN\n");
- option = option++;
- if (option > 1)option = 1;
- }
- // Centre / Unknown orientation
- if (joystick.direction == CENTRE)
- serial.printf(" CENTRE\n");
- if (joystick.direction == UNKNOWN)
- serial.printf(" Unsupported direction\n");
-
- // 'Difficulty' option 1
- if (option == 0) {
- lcd.drawCircle(72,27,2,1);
- refreshCursor3();
- }
- // 'Sound FX' option 2
- if (option == 1) {
- lcd.drawCircle(72,35,2,1);
- refreshCursor2();
- }
+ optionsMenu(option);//presents options
////////////////////// difficulty settings ////////////////////////////////////
- if ((option == 0)&&(buttonA == 1)) {
+ if ((option == 0)&&(buttonA == 1)) {
+
+ actionButton();
+ backButton();
+
+ lcd.clear();
+ backGround();
+ lcd.drawRect(0,47,84,0,1);//bottom border
+ lcd.drawRect(0,0,84,2,1);//top border
+ lcd.printString("*Difficulty*",5,7);//title
+ lcd.printString("Easy",5,8);//title
+ lcd.printString("Normal",5,9);//title
+ lcd.printString("Forget It",5,10);//title
+
+ while(1) {
actionButton();
backButton();
- lcd.clear();
- backGround();
- lcd.drawRect(0,47,84,0,1);//bottom border
- lcd.drawRect(0,0,84,2,1);//top border
- lcd.printString("*Difficulty*",5,7);//title
- lcd.printString("Easy",5,8);//title
- lcd.printString("Normal",5,9);//title
- lcd.printString("Forget It",5,10);//title
-
-
- while(1) {
-
- actionButton();
- backButton();
+ // joystick selection
+ if (printFlag) {//if flag set, clear flag,print joystick values
+ printFlag = 0;
- // joystick selection
- if (printFlag) {//if flag set, clear flag,print joystick values
- printFlag = 0;
+ // option up
+ if (joystick.direction == UP) {
+ serial.printf(" UP\n");
+ subOption = subOption--;
+ if (subOption < 0)subOption = 0;
+ }
+ // option down
+ if (joystick.direction == DOWN) {
+ serial.printf(" DOWN\n");
+ subOption = subOption++;
+ if (subOption > 2)subOption = 2;
+ }
+ // Centre / Unknown orientation
+ if (joystick.direction == CENTRE)
+ serial.printf(" CENTRE\n");
+ if (joystick.direction == UNKNOWN)
+ serial.printf(" Unsupported direction\n");
- // option up
- if (joystick.direction == UP) {
- serial.printf(" UP\n");
- subOption = subOption--;
- if (subOption < 0)subOption = 0;
- }
- // option down
- if (joystick.direction == DOWN) {
- serial.printf(" DOWN\n");
- subOption = subOption++;
- if (subOption > 2)subOption = 2;
+ // 'Easy' option 1
+ if (subOption == 0) {
+ lcd.drawCircle(72,19,2,1);
+ refreshCursor2();
+ refreshCursor3();
+ if(buttonA ==1) { //select easy
+ fall = 1;
}
- // Centre / Unknown orientation
- if (joystick.direction == CENTRE)
- serial.printf(" CENTRE\n");
- if (joystick.direction == UNKNOWN)
- serial.printf(" Unsupported direction\n");
+ }
+ // 'Normal' option 2
+ if (subOption == 1) {
+ lcd.drawCircle(72,27,2,1);
+ refreshCursor1();
+ refreshCursor3();
- // 'Easy' option 1
- if (subOption == 0) {
- lcd.drawCircle(72,19,2,1);
- refreshCursor2();
- refreshCursor3();
- if(buttonA ==1){//select easy
- fall = 1;}
+ if(buttonA == 1) { //select normal
+ fall = 2;
}
- // 'Normal' option 2
- if (subOption == 1) {
- lcd.drawCircle(72,27,2,1);
- refreshCursor1();
- refreshCursor3();
-
- if(buttonA == 1){//select normal
- fall = 2;}
+ }
+ // 'Forget It' option 3
+ if (subOption == 2) {
+ lcd.drawCircle(72,35,2,1);
+ refreshCursor1();
+ refreshCursor2();
+
+ if(buttonA == 1) { //select difficult
+ fall = 3;
}
- // 'Forget It' option 3
- if (subOption == 2) {
- lcd.drawCircle(72,35,2,1);
- refreshCursor1();
- refreshCursor2();
-
- if(buttonA == 1){//select difficult
- fall = 3;}
-
- }
- if(buttonB == 1) {
- lcd.clear();
- break;
- }
+
+ }
+ if(buttonB == 1) {
+ lcd.clear();
+ break;
}
}
}
+ }
- // back to menu
- if(buttonB == 1) {
- lcd.clear();
- break;
- }
+ // back to menu
+ if(buttonB == 1) {
+ lcd.clear();
+ break;
}
}
}
}
}
+
// read default positions of the joystick to calibrate later readings
void calibrateJoystick()
{