Giorgos Savvides
Racing Cars game using N5110 LCD and thumb Joystick
Dependencies: N5110 PowerControl beep mbed
Diff: main.cpp
- Revision:
- 5:243718c3cd8b
- Parent:
- 4:f9a899c6ac50
- Child:
- 6:289f237b8d90
--- a/main.cpp Sat May 02 17:32:04 2015 +0000
+++ b/main.cpp Wed May 06 00:16:31 2015 +0000
@@ -1,141 +1,32 @@
-#include "N5110.h"
-#include "mbed.h"
-#include "PowerControl.h"
-#include "beep.h"
-
-
-// change this to alter tolerance of joystick direction
-#define DIRECTION_TOLERANCE 0.05
-
-// connections for joystick
-DigitalIn button(p17);
-DigitalIn select(p25);
-InterruptIn start(p24);
-
-AnalogIn yPot(p18);
-AnalogIn xPot(p19);
-Beep buzzer(p21);
-
-
-//nokia display connections
-N5110 lcd(p7,p8,p9,p10,p11,p13,p26);
-
-// timer to regularly read the joystick
-Ticker pollJoystick;
-Ticker timer;
-Ticker randomize;
-
-
-// create enumerated type (0,1,2,3 etc. for direction)
-// could be extended for diagonals etc.
-enum DirectionName {
- UP,
- DOWN,
- LEFT,
- RIGHT,
- CENTRE,
- UNKNOWN
-};
-
-// struct for Joystick
-typedef struct JoyStick Joystick;
-struct JoyStick {
- float x; // current x value
- float x0; // 'centred' x value
- float y; // current y value
- float y0; // 'centred' y value
- int button; // button state (assume pull-down used, so 1 = pressed, 0 = unpressed)
- DirectionName direction; // current direction
-};
-// create struct variable
-Joystick joystick;
-
-//flag pointers when interrupt comes in
-int printFlag = 0;
-int buttonFlag=0;
-
-//initial enemies Y positions (p,q,c)
-int p=-20;
-int q=-100;
-int c=0;
-int j=0;
-
-//enemies X positions (p,q,c)
-int enemy1x=46;
-int enemy2x=6;
-int enemy3x=26;
-
-
-//initial player's Car position and its dimensions(w,h)
-int x=26; //x-position
-int v=30; //y-position
-int w=8; // width
-int h=12; // height
-
-//initial Coin Xposition
-int xPos=6;
-
-int lives=5;
-int coins=0;
-int round=1;
-
-float brightness=0.9;
-int brightnessDisplay=9;
-
-int table[84][48];
-
-// function prototypes
-void calibrateJoystick();
-void updateJoystick();
-void ClearCar(int x,int v,int w,int h);
-void gameInitial();
-void enemy1MovesDown();
-void enemy2MovesDown();
-void enemy3MovesDown();
-
-void movePlayer();
-void initTable();
-void loose();
-void resetPlayer();
-void checkPlayerPos();
-void coinMoves();
-void drawCoin(int c);
-void clearCoin(int c);
-void randomizeCoin();
-void setCircleCells(int x0,int y0,int radius);
-void clearCircleCells(int x0,int y0,int radius);
-void buttonPressed();
-void clearCells(int x,int y);
-void setCells(int x,int v,int w,int h);
-
-int gamePlays=1;
-int coinAppear=1;
-int enemiesMoving=1;
-int optionsPointer=1;
-int pointerSelect;
-int sounds=1;
-
-float joystickCheckTime=1.0/30.0;
-
-
+/**
+@file main.cpp
+@brief Contains all functions implementations, and main program
+*/
+#include "main.h"
int main()
{
- char soundString[3];
- sprintf(soundString,"%s","YES");
+ /** Ethernet port power Down */
+ PHY_PowerDown();
+ //Peripheral_PowerDown(0x40);
+
+ char soundString[3]; // Create buffer String that stores the sound state String("YES","NO")
+ sprintf(soundString,"%s","YES"); //print Initial String
+
calibrateJoystick(); // get centred values of joystick
- pollJoystick.attach(&updateJoystick,joystickCheckTime); // read joystick 0 times per second
- lcd.setXYAddress(0,0);
- initTable();
- lcd.init();
+ pollJoystick.attach(&updateJoystick,1.0/10.0); // read joystick 30 times per second
+
+
+ lcd.setXYAddress(0,0);//set the XY address to 0.0 as initialising condition
+ initTable();//initialise the array table
+ lcd.init();//initialise LCD screen
lcd.refresh();
start.rise(&buttonPressed);
MainMenu:
buttonFlag=0;
- pointerSelect=1;
clearCells(84,48);
lcd.drawCircle(22,19,2,1); //draw pointer around Play submenu when selected
lcd.drawCircle(53,19,2,1); //draw pointer around Play submenu when selected
@@ -153,7 +44,7 @@
lcd.clearCircle(53,19,2,1);
lcd.clearCircle(22,19,2,1);
- pointerSelect=2;
+ menuPointer=2;
}
wait(0.1);
@@ -163,25 +54,29 @@
lcd.clearCircle(16,27,2,1); //draw pointer around Options submenu when selected
lcd.clearCircle(64,27,2,1);
- pointerSelect=1;
+ menuPointer=1;
}
}
- switch(pointerSelect) {
+ switch(menuPointer) {
case 1:
- //GameBegins:
-
+ //GameBegins:
+ lives=5;
+ round=1;
+ coins=0;
buttonFlag=0;
clearCells(84,48);
- wait(2);
+ wait(0.5);
lcd.refresh();
lcd.drawRect(x,v,w,h,0);
timer.attach(&movePlayer,0.1);
+
gameInitial();
+
char buffer[1];
sprintf(buffer,"%d",lives);
lcd.printString(buffer,74,1);
@@ -195,17 +90,10 @@
sprintf(buffer2,"%d",coins);
lcd.printString(buffer2,72,5);
-
- //int pointerSelect;
+ while(gamePlays) {
- while(gamePlays) {
-
- int a=select.read();
- if(a){
- gamePlays=0;
- goto MainMenu;}
+ lcd.refresh();
- enemiesMoving=1;
sprintf(buffer,"%d",lives);
lcd.printString(buffer,74,1);
@@ -213,14 +101,14 @@
lcd.printString(buffer2,72,5);
checkPlayerPos();
- lcd.refresh();
enemy1MovesDown();
- lcd.refresh();
enemy2MovesDown();
- lcd.refresh();
+ checkPlayerPos();
enemy3MovesDown();
lcd.refresh();
+
coinMoves();
+ checkPlayerPos();
}
break;
@@ -247,9 +135,6 @@
lcd.printString(soundString,40,2);
while(optionsMenu) {
- char pointerbuffer[2];
- sprintf(pointerbuffer,"%d",optionsPointer);
- lcd.printString(pointerbuffer,0,0);
if (joystick.direction==UP) {
optionsPointer--;
@@ -329,7 +214,7 @@
goto MainMenu;
}
}
- wait(0.1);
+ wait(0.1);
}
break;
@@ -347,55 +232,42 @@
//lcd.refresh();
if (joystick.direction==RIGHT&&x+w<58) {
- ClearCar(x,v,w,h);
+ clearRect(x,v,w,h);
+ lcd.refresh();
x=x+4;
lcd.drawRect(x,v,w,h,0);
lcd.refresh();
- if (table[x+w][v+h]==1||table[x+w][v]==1) {
- loose();
- }
-
-
}
if (joystick.direction==LEFT&&x+w>10) {
- ClearCar(x,v,w,h);
+ clearRect(x,v,w,h);
+ lcd.refresh();
x=x-4;
- lcd.refresh();
+
lcd.drawRect(x,v,w,h,0);
- if (table[x][v]==1||table[x][v+h]==1) {
- loose();
- }
-
+ lcd.refresh();
}
if (joystick.direction==UP && v>2) {
- ClearCar(x,v,w,h);
+ clearRect(x,v,w,h);
+ lcd.refresh();
v=v-4;
- lcd.refresh();
lcd.drawRect(x,v,w,h,0);
- if (table[x][v]==1||table[x+w][v]==1) {
- loose();
- }
-
+ lcd.refresh();
}
if (joystick.direction==DOWN && v<32) {
- ClearCar(x,v,w,h);
+ clearRect(x,v,w,h);
+ lcd.refresh();
v=v+4;
- lcd.refresh();
lcd.drawRect(x,v,w,h,0);
- if (table[x][v+h]==1||table[x+w][v+h]==1) {
- loose();
- }
-
+ lcd.refresh();
}
}
}
-// read default positions of the joystick to calibrate later readings
void calibrateJoystick()
{
button.mode(PullDown);
@@ -405,7 +277,6 @@
}
void updateJoystick()
{
- // read current joystick values relative to calibrated values (in range -0.5 to 0.5, 0.0 is centred)
joystick.x = xPot - joystick.x0;
joystick.y = yPot - joystick.y0;
// read button state
@@ -432,7 +303,7 @@
}
-void ClearCar(int x,int v,int w,int h)
+void clearRect(int x,int v,int w,int h)
{
for(int i=x; i<=x+w; i++) {
for(int j=v; j<=v+h; j++) {
@@ -451,20 +322,18 @@
lcd.drawLine(40,0,40,48,2);
}
-
-
-
void enemy1MovesDown()
{
- ClearCar(enemy1x,(j-4),w,h);
+ clearRect(enemy1x,(j-4),w,h);
+ lcd.refresh();
lcd.drawRect(enemy1x,j,w,h,1);
- setCells(enemy1x,j,w,h);
+ lcd.refresh();
+ setRectCells(enemy1x,j,w,h);
+ lcd.refresh();
wait(0.05);
- lcd.refresh();
-
j=j+4;
- lcd.refresh();
+ //lcd.refresh();
if(j>60) {
j=-(rand()%100+80);
@@ -472,17 +341,17 @@
}
-
-
void enemy2MovesDown()
{
- ClearCar(enemy2x,(p-4),w,h);
+ clearRect(enemy2x,(p-4),w,h);
+ lcd.refresh();
lcd.drawRect(enemy2x,p,w,h,1);
- setCells(enemy2x,p,w,h);
+ lcd.refresh();
+ setRectCells(enemy2x,p,w,h);
+ lcd.refresh();
wait(0.05);
- lcd.refresh();
p=p+4;
- lcd.refresh();
+ //lcd.refresh();
if(p>60) {
p=-(rand()%40+20);
@@ -495,20 +364,22 @@
void enemy3MovesDown()
{
- ClearCar(enemy3x,(q-4),w,h);
+ clearRect(enemy3x,(q-4),w,h);
+ lcd.refresh();
lcd.drawRect(enemy3x,q,w,h,1);
- setCells(enemy3x,q,w,h);
+ lcd.refresh();
+ setRectCells(enemy3x,q,w,h);
+ lcd.refresh();
wait(0.05);
lcd.refresh();
q=q+4;
- lcd.refresh();
if (q>70) {
q=-(rand()%10+1);
}
}
-void setCells(int x,int v,int w,int h)
+void setRectCells(int x,int v,int w,int h)
{
for(int i=x; i<=x+w; i++) {
@@ -522,8 +393,8 @@
void initTable()
{
- for (int i=0; i<=84; i++) {
- for(int j=0; j<=48; j++) {
+ for (int i=0; i<=83; i++) {
+ for(int j=0; j<=47; j++) {
table[i][j]=0;
}
}
@@ -536,12 +407,14 @@
}
if (table[x+w][v+h]==2||table[x][v+h]==2||table[x][v]==2||table[x+w][v]==2) {
- coins=coins+10;
- coinAppear=0;
+ coins=coins+5;
+ clearCoin(c);
if(sounds) {
buzzer.beep(2200,0.4);
buzzer.beep(1000,0.2);
}
+ coinAppear=0;
+
}
}
@@ -552,66 +425,63 @@
clearCoin(c);
c=c+2;
drawCoin(c);
-
wait(0.05);
- if(c>70) {
- randomizeCoin();
+ if(c>80) {
+ c=-(rand()%80+0);
+ xPos=rand()%46+6;
coinAppear=1;
- c=-100;
}
}
void drawCoin(int c)
{
- if (table[xPos][c+4]==0&&table[xPos][c-4]==0&&coinAppear) {
+ if (table[xPos][c+4]==0&&table[xPos][c-4]==0&&coinAppear&&c>0&&c<48) {
lcd.drawCircle(xPos,c,4,0);
setCircleCells(xPos,c,4);
lcd.setPixel(xPos,c-1);
lcd.setPixel(xPos,c+2);
+ table[xPos][c-1]=2;
+ table[xPos][c+2]=2;
lcd.setPixel(xPos+1,c-1);
lcd.setPixel(xPos+1,c+2);
+ table[xPos+1][c-1]=2;
+ table[xPos+1][c+2]=2;
lcd.setPixel(xPos-1,c);
lcd.setPixel(xPos-1,c+1);
+ table[xPos-1][c]=2;
+ table[xPos-1][c+1]=2;
+
lcd.refresh();
}
}
void clearCoin(int c)
{
+ if(coinAppear){
lcd.clearCircle(xPos,c,4,0);
clearCircleCells(xPos,c,4);
lcd.clearPixel(xPos,c-1);
lcd.clearPixel(xPos,c+2);
+ table[xPos][c-1]=0;
+ table[xPos][c+2]=0;
lcd.clearPixel(xPos+1,c-1);
lcd.clearPixel(xPos+1,c+2);
+ table[xPos+1][c-1]=0;
+ table[xPos+1][c+2]=0;
lcd.clearPixel(xPos-1,c);
lcd.clearPixel(xPos-1,c+1);
+ table[xPos-1][c]=0;
+ table[xPos-1][c+1]=0;
lcd.refresh();
-
+}
}
-void randomizeCoin()
-{
-int randX;
-
- randX=rand()%3+1;
-
- if (randX==1) {
- xPos=6;
- }
- if (randX==2) {
- xPos=26;
- }
- if (randX==3) {
- xPos=46;
- }
-}
void setCircleCells(int x0,int y0,int radius)
{
@@ -665,31 +535,47 @@
table[i][j]=0;
}
}
-
+ lcd.refresh();
}
void loose()
{
if (sounds) {
- buzzer.beep(500,0.1);
+ buzzer.beep(500,0.2);
}
+ timer.detach();
lives=lives-1;
- gamePlays=0;
- wait(0.5);
- ClearCar(x,v,w,h);
- lcd.refresh();
- clearCells(60,48);
- lcd.setXYAddress(0,0);
+
+ if(lives==0) {
+ gamePlays=0;
+ clearCells(84,48);
+ lcd.refresh();
+ lcd.clear();
+
+ wait(2);
+ lcd.printString("Game Over!!!",9,3);
+ }
- wait(1);
- lcd.refresh();
- x=26;
- v=30;
- lcd.drawRect(x,v,w,h,0);
- wait(0.5);
- gamePlays=1;
- j=-100;
- p=-50;
- q=-40;
+ else {
+ clearRect(x,v,w,h);
+ lcd.refresh();
+ clearCells(60,48);
+ lcd.refresh();
+ initTable();
+ //lcd.setXYAddress(0,0);
+
+ //lcd.refresh();
+ x=26;
+ v=30;
+ lcd.drawRect(x,v,w,h,0);
+ lcd.refresh();
+ //lcd.setXYAddress(0,0);
+ j=-70;
+ q=-10;
+ p=-40;
+ wait(2);
+
+ timer.attach(&movePlayer,0.1);
+ }
}