Konlatee Sittichaivijit / Mbed 2 deprecated PacManII

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Dependencies:   N5110 PowerControl mbed

main.cpp@5:61c3bbef19f0, 2015-04-21 (annotated)

Committer:
el13ks
Date:
Tue Apr 21 15:35:18 2015 +0000
Revision:
5:61c3bbef19f0
Parent:
4:75c7277a1b88
Child:
6:af4d3c5a9d43
Pacman V1.31 ; Movement Checks in all directions working

Who changed what in which revision?

UserRevisionLine numberNew contents of line
el13ks 0:1c3f3fe862f2 1 #include "mbed.h"
el13ks 0:1c3f3fe862f2 2 #include "N5110.h"
el13ks 1:98cc4f4a20dc 3 #define DIRECTION_TOLERANCE 0.05// Tolerance of Joystick
el13ks 3:83c1d9cd97f1 4
el13ks 0:1c3f3fe862f2 5 BusOut myleds(p24,p23,p22); //External LEDS
el13ks 0:1c3f3fe862f2 6 InterruptIn StartButton(p18);//Start button
el13ks 0:1c3f3fe862f2 7 N5110 lcd(p7,p8,p9,p10,p11,p13,p26); //PWR, SCE, RST, DC, MOSI, SCLK, LED
el13ks 0:1c3f3fe862f2 8 AnalogIn Bright(p20);//Pot to adjust brightness
el13ks 0:1c3f3fe862f2 9 Ticker timer; //Create ticker object
el13ks 0:1c3f3fe862f2 10 DigitalIn button(p17);// Joystick Button
el13ks 0:1c3f3fe862f2 11 AnalogIn xPot(p15);// Joystick x-direction
el13ks 0:1c3f3fe862f2 12 AnalogIn yPot(p16);// Joystick y-direction
el13ks 3:83c1d9cd97f1 13 int i=3; // Pacman's starting position
el13ks 5:61c3bbef19f0 14 int j = 3;
el13ks 3:83c1d9cd97f1 15
el13ks 0:1c3f3fe862f2 16 Ticker pollJoystick; // timer to regularly read the joystick
el13ks 1:98cc4f4a20dc 17 int next[84][48]= {0};
el13ks 2:830feffe8462 18 int coinflag = 1;
el13ks 3:83c1d9cd97f1 19 int coinflag2 = 1;
el13ks 4:75c7277a1b88 20 int coinflag3 = 1;
el13ks 4:75c7277a1b88 21 int coinflag4 = 1;
el13ks 4:75c7277a1b88 22 int coinflag5 = 1;
el13ks 3:83c1d9cd97f1 23 bool canRight = 1;
el13ks 1:98cc4f4a20dc 24
el13ks 0:1c3f3fe862f2 25 enum DirectionName { // create enumerated type (0,1,2,3 etc. for direction)
el13ks 0:1c3f3fe862f2 26 UP, // could be extended for diagonals etc.
el13ks 0:1c3f3fe862f2 27 DOWN,
el13ks 0:1c3f3fe862f2 28 LEFT,
el13ks 0:1c3f3fe862f2 29 RIGHT,
el13ks 0:1c3f3fe862f2 30 CENTRE,
el13ks 0:1c3f3fe862f2 31 UNKNOWN
el13ks 0:1c3f3fe862f2 32 };
el13ks 0:1c3f3fe862f2 33
el13ks 0:1c3f3fe862f2 34 typedef struct JoyStick Joystick; // struct for Joystick
el13ks 0:1c3f3fe862f2 35 struct JoyStick {
el13ks 0:1c3f3fe862f2 36 float x; // current x value
el13ks 0:1c3f3fe862f2 37 float x0; // 'centred' x value
el13ks 0:1c3f3fe862f2 38 float y; // current y value
el13ks 0:1c3f3fe862f2 39 float y0; // 'centred' y value
el13ks 0:1c3f3fe862f2 40 int button; // button state (assume pull-down used, so 1 = pressed, 0 = unpressed)
el13ks 0:1c3f3fe862f2 41 DirectionName direction; // current direction
el13ks 0:1c3f3fe862f2 42 };
el13ks 0:1c3f3fe862f2 43
el13ks 0:1c3f3fe862f2 44 Joystick joystick; // create struct variable
el13ks 0:1c3f3fe862f2 45
el13ks 0:1c3f3fe862f2 46
el13ks 0:1c3f3fe862f2 47 void calibrateJoystick() // read default positions of the joystick to calibrate later readings
el13ks 0:1c3f3fe862f2 48 {
el13ks 0:1c3f3fe862f2 49 button.mode(PullDown);
el13ks 0:1c3f3fe862f2 50 // must not move during calibration
el13ks 0:1c3f3fe862f2 51 joystick.x0 = xPot; // initial positions in the range 0.0 to 1.0 (0.5 if centred exactly)
el13ks 0:1c3f3fe862f2 52 joystick.y0 = yPot;
el13ks 0:1c3f3fe862f2 53 }
el13ks 0:1c3f3fe862f2 54
el13ks 0:1c3f3fe862f2 55 void updateJoystick()
el13ks 0:1c3f3fe862f2 56 {
el13ks 0:1c3f3fe862f2 57
el13ks 0:1c3f3fe862f2 58 joystick.x = xPot - joystick.x0; // read current joystick values relative to calibrated values (in range -0.5 to 0.5, 0.0 is centred)
el13ks 0:1c3f3fe862f2 59 joystick.y = yPot - joystick.y0;
el13ks 0:1c3f3fe862f2 60 joystick.button = button; // read button state
el13ks 0:1c3f3fe862f2 61
el13ks 0:1c3f3fe862f2 62 // calculate direction depending on x,y values
el13ks 0:1c3f3fe862f2 63 // tolerance allows a little lee-way in case joystick not exactly in the stated direction
el13ks 0:1c3f3fe862f2 64 if ( fabs(joystick.y) < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
el13ks 0:1c3f3fe862f2 65 joystick.direction = CENTRE;
el13ks 0:1c3f3fe862f2 66 } else if ( joystick.y > DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
el13ks 0:1c3f3fe862f2 67 joystick.direction = UP;
el13ks 0:1c3f3fe862f2 68 } else if ( joystick.y < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
el13ks 0:1c3f3fe862f2 69 joystick.direction = DOWN;
el13ks 0:1c3f3fe862f2 70 } else if ( joystick.x > DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
el13ks 0:1c3f3fe862f2 71 joystick.direction = RIGHT;
el13ks 0:1c3f3fe862f2 72 } else if ( joystick.x < DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
el13ks 0:1c3f3fe862f2 73 joystick.direction = LEFT;
el13ks 0:1c3f3fe862f2 74 } else {
el13ks 0:1c3f3fe862f2 75 joystick.direction = UNKNOWN;
el13ks 0:1c3f3fe862f2 76 }
el13ks 0:1c3f3fe862f2 77
el13ks 0:1c3f3fe862f2 78
el13ks 2:830feffe8462 79
el13ks 0:1c3f3fe862f2 80 }
el13ks 0:1c3f3fe862f2 81
el13ks 4:75c7277a1b88 82 void drawMap()
el13ks 4:75c7277a1b88 83 {
el13ks 0:1c3f3fe862f2 84
el13ks 5:61c3bbef19f0 85 lcd.drawRect(41,20,10,2,1);
el13ks 4:75c7277a1b88 86 lcd.drawRect(41,0,2,10,1);
el13ks 1:98cc4f4a20dc 87
el13ks 1:98cc4f4a20dc 88
el13ks 0:1c3f3fe862f2 89 }
el13ks 0:1c3f3fe862f2 90
el13ks 4:75c7277a1b88 91 void checkRight()
el13ks 0:1c3f3fe862f2 92 {
el13ks 1:98cc4f4a20dc 93
el13ks 3:83c1d9cd97f1 94
el13ks 4:75c7277a1b88 95 int r = 0;//Variable for right movement check
el13ks 4:75c7277a1b88 96 if(lcd.getPixel (i+4,j))//Check 4 pixels to the right
el13ks 4:75c7277a1b88 97 r++;
el13ks 4:75c7277a1b88 98 if(lcd.getPixel (i+5,j))//Check 5 pixels to the right
el13ks 4:75c7277a1b88 99 r++;
el13ks 4:75c7277a1b88 100 if (r==2) { // Condition for solid obstacles
el13ks 4:75c7277a1b88 101 i--;
el13ks 1:98cc4f4a20dc 102
el13ks 4:75c7277a1b88 103 }
el13ks 4:75c7277a1b88 104 }
el13ks 4:75c7277a1b88 105 void checkLeft()
el13ks 4:75c7277a1b88 106 {
el13ks 4:75c7277a1b88 107 int l = 0 ; // Variable for left movement check
el13ks 4:75c7277a1b88 108 if(lcd.getPixel (i-4,j))//Check 4 pixels to the left
el13ks 4:75c7277a1b88 109 l++;
el13ks 4:75c7277a1b88 110 if(lcd.getPixel (i-5,j))//Check 5 pixels to the left
el13ks 4:75c7277a1b88 111 l++;
el13ks 4:75c7277a1b88 112 if (l==2) { // Condition for solid obstacles
el13ks 4:75c7277a1b88 113 i++;
el13ks 3:83c1d9cd97f1 114
el13ks 3:83c1d9cd97f1 115
el13ks 1:98cc4f4a20dc 116 }
el13ks 0:1c3f3fe862f2 117 }
el13ks 5:61c3bbef19f0 118 void checkUp()
el13ks 5:61c3bbef19f0 119 {
el13ks 5:61c3bbef19f0 120 int u=0;
el13ks 5:61c3bbef19f0 121 if(lcd.getPixel (i,j-4))//Check 4 pixels above
el13ks 5:61c3bbef19f0 122 u++;
el13ks 5:61c3bbef19f0 123 if(lcd.getPixel (i,j-5))//Check 5 pixels above
el13ks 5:61c3bbef19f0 124 u++;
el13ks 5:61c3bbef19f0 125 if (u==2) { // Condition for solid obstacles
el13ks 5:61c3bbef19f0 126 j++;
el13ks 5:61c3bbef19f0 127 }
el13ks 5:61c3bbef19f0 128 }
el13ks 5:61c3bbef19f0 129
el13ks 5:61c3bbef19f0 130 void checkDown(){
el13ks 5:61c3bbef19f0 131 int d=0;
el13ks 5:61c3bbef19f0 132 if(lcd.getPixel (i,j+4))//Check 4 pixels below
el13ks 5:61c3bbef19f0 133 d++;
el13ks 5:61c3bbef19f0 134 if(lcd.getPixel (i,j+5))//Check 5 pixels below
el13ks 5:61c3bbef19f0 135 d++;
el13ks 5:61c3bbef19f0 136 if (d==2) { // Condition for solid obstacles
el13ks 5:61c3bbef19f0 137 j--;
el13ks 5:61c3bbef19f0 138 }
el13ks 5:61c3bbef19f0 139 }
el13ks 5:61c3bbef19f0 140
el13ks 4:75c7277a1b88 141 void drawCoin() {
el13ks 4:75c7277a1b88 142
el13ks 4:75c7277a1b88 143 if (coinflag) {
el13ks 4:75c7277a1b88 144 lcd.drawCircle(10,3,2,0);
el13ks 4:75c7277a1b88 145 }
el13ks 4:75c7277a1b88 146 if (coinflag2) {
el13ks 4:75c7277a1b88 147 lcd.drawCircle(20,3,2,0);
el13ks 4:75c7277a1b88 148 }
el13ks 4:75c7277a1b88 149 if (coinflag3) {
el13ks 4:75c7277a1b88 150 lcd.drawCircle(30,3,2,0);
el13ks 4:75c7277a1b88 151 }
el13ks 4:75c7277a1b88 152 if (coinflag4) {
el13ks 4:75c7277a1b88 153 lcd.drawCircle(50,3,2,0);
el13ks 4:75c7277a1b88 154 }
el13ks 4:75c7277a1b88 155 if (coinflag5) {
el13ks 4:75c7277a1b88 156 lcd.drawCircle(60,3,2,0);
el13ks 4:75c7277a1b88 157 }
el13ks 4:75c7277a1b88 158 }
el13ks 4:75c7277a1b88 159 void checkCoin() {
el13ks 4:75c7277a1b88 160 if (i==10 &&j==3) {
el13ks 4:75c7277a1b88 161 coinflag=0;
el13ks 4:75c7277a1b88 162 }
el13ks 4:75c7277a1b88 163 if (i==20 &&j==3) {
el13ks 4:75c7277a1b88 164 coinflag2=0;
el13ks 4:75c7277a1b88 165 }
el13ks 4:75c7277a1b88 166 if (i==30 &&j==3) {
el13ks 4:75c7277a1b88 167 coinflag3=0;
el13ks 4:75c7277a1b88 168 }
el13ks 5:61c3bbef19f0 169 if (i==50 &&j==3) {
el13ks 4:75c7277a1b88 170 coinflag4=0;
el13ks 4:75c7277a1b88 171 }
el13ks 5:61c3bbef19f0 172 if (i==60 &&j==3) {
el13ks 4:75c7277a1b88 173 coinflag5=0;
el13ks 4:75c7277a1b88 174 }
el13ks 4:75c7277a1b88 175
el13ks 4:75c7277a1b88 176 }
el13ks 4:75c7277a1b88 177
el13ks 4:75c7277a1b88 178 void Joystickcheck() {
el13ks 4:75c7277a1b88 179 if (joystick.direction == UP) {
el13ks 4:75c7277a1b88 180 j--;
el13ks 4:75c7277a1b88 181 }
el13ks 4:75c7277a1b88 182 if (joystick.direction == DOWN) {
el13ks 4:75c7277a1b88 183 j++;
el13ks 4:75c7277a1b88 184 }
el13ks 4:75c7277a1b88 185 if (joystick.direction == LEFT) {
el13ks 4:75c7277a1b88 186 i--;
el13ks 4:75c7277a1b88 187 }
el13ks 4:75c7277a1b88 188 if ((joystick.direction == RIGHT)&canRight) {
el13ks 4:75c7277a1b88 189 i++;
el13ks 4:75c7277a1b88 190 }
el13ks 4:75c7277a1b88 191
el13ks 4:75c7277a1b88 192 }
el13ks 4:75c7277a1b88 193
el13ks 4:75c7277a1b88 194 void Boundarycheck() {
el13ks 4:75c7277a1b88 195 if (i<3) {
el13ks 4:75c7277a1b88 196 i=3;
el13ks 4:75c7277a1b88 197 }
el13ks 4:75c7277a1b88 198 if (j<3) {
el13ks 4:75c7277a1b88 199 j=3;
el13ks 4:75c7277a1b88 200 }
el13ks 4:75c7277a1b88 201 if (j>44) {
el13ks 4:75c7277a1b88 202 j=44;
el13ks 4:75c7277a1b88 203 }
el13ks 4:75c7277a1b88 204 if (i>80) {
el13ks 4:75c7277a1b88 205 i=80;
el13ks 4:75c7277a1b88 206 }
el13ks 4:75c7277a1b88 207 }
el13ks 0:1c3f3fe862f2 208
el13ks 3:83c1d9cd97f1 209
el13ks 0:1c3f3fe862f2 210
el13ks 3:83c1d9cd97f1 211
el13ks 3:83c1d9cd97f1 212
el13ks 0:1c3f3fe862f2 213
el13ks 4:75c7277a1b88 214 int main() {
el13ks 3:83c1d9cd97f1 215
el13ks 4:75c7277a1b88 216 lcd.init();
el13ks 4:75c7277a1b88 217 calibrateJoystick(); // get centred values of joystick
el13ks 4:75c7277a1b88 218 pollJoystick.attach(&updateJoystick,1.0/10.0); // read joystick 10 times per second
el13ks 0:1c3f3fe862f2 219
el13ks 4:75c7277a1b88 220 while(1) {
el13ks 4:75c7277a1b88 221 lcd.clear();
el13ks 4:75c7277a1b88 222 lcd.drawCircle(i,j,3,1); //x-coordinate of centre,y-coordinate of centre,radius ;0 transparent (w/outline), 1 filled black, 2 filled white (wo/outline)
el13ks 4:75c7277a1b88 223 drawMap();
el13ks 4:75c7277a1b88 224 drawCoin();
el13ks 4:75c7277a1b88 225 checkRight();
el13ks 4:75c7277a1b88 226 checkLeft();
el13ks 5:61c3bbef19f0 227 checkDown();
el13ks 5:61c3bbef19f0 228 checkUp();
el13ks 4:75c7277a1b88 229 Joystickcheck();
el13ks 4:75c7277a1b88 230 Boundarycheck();
el13ks 4:75c7277a1b88 231 checkCoin();
el13ks 4:75c7277a1b88 232 lcd.refresh();
el13ks 2:830feffe8462 233 }
el13ks 0:1c3f3fe862f2 234 }