yasmin h / Mbed 2 deprecated frogger_G

Accelerometer game

Dependencies:   4DGL-uLCD-SE ADXL345 mbed-rtos mbed

main.cpp@1:54ed477da4d3, 2014-03-20 (annotated)

Committer:
yhazrat3
Date:
Thu Mar 20 03:33:00 2014 +0000
Revision:
1:54ed477da4d3
Parent:
0:c69d1ec4d395 
Done

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yhazrat3 0:c69d1ec4d395 1 #include "mbed.h"
yhazrat3 0:c69d1ec4d395 2 #include "rtos.h"
yhazrat3 0:c69d1ec4d395 3 #include "uLCD_4DGL.h"
yhazrat3 0:c69d1ec4d395 4 #include "ADXL345.h"
yhazrat3 0:c69d1ec4d395 5
yhazrat3 0:c69d1ec4d395 6
yhazrat3 1:54ed477da4d3 7 PwmOut speaker(p21); //create a PwmOut object for the speaker
yhazrat3 0:c69d1ec4d395 8 uLCD_4DGL uLCD(p28, p27, p29); // create a global lcd object
yhazrat3 1:54ed477da4d3 9 ADXL345 accelerometer(p5, p6, p7, p8);//create a global accelerometer object
yhazrat3 1:54ed477da4d3 10 Serial pc(USBTX, USBRX);// for debugging
yhazrat3 1:54ed477da4d3 11 Mutex lcd_mutex;// Create the mutex lock object
yhazrat3 0:c69d1ec4d395 12
yhazrat3 0:c69d1ec4d395 13 int red_car_x, red_car_y,blue_car_x,blue_car_y,frog_x,frog_y,i,j;
yhazrat3 0:c69d1ec4d395 14 int x=0,y=0;
yhazrat3 1:54ed477da4d3 15 void thread1(void const *args)//thread 1 moves the red car
yhazrat3 0:c69d1ec4d395 16 {
yhazrat3 0:c69d1ec4d395 17
yhazrat3 1:54ed477da4d3 18 while(true) {
yhazrat3 1:54ed477da4d3 19 //check for boundary conditions
yhazrat3 0:c69d1ec4d395 20 if(red_car_x>127){
yhazrat3 0:c69d1ec4d395 21 red_car_x=-16;
yhazrat3 0:c69d1ec4d395 22 red_car_y=32;
yhazrat3 0:c69d1ec4d395 23
yhazrat3 0:c69d1ec4d395 24 }
yhazrat3 1:54ed477da4d3 25 lcd_mutex.lock();//acquire lock
yhazrat3 1:54ed477da4d3 26 uLCD.filled_rectangle(red_car_x,red_car_y,red_car_x+15,red_car_y+15,0x000000);//erase previous position
yhazrat3 0:c69d1ec4d395 27 red_car_x=red_car_x+16;
yhazrat3 0:c69d1ec4d395 28
yhazrat3 0:c69d1ec4d395 29 for(i=0;i<10;i++){
yhazrat3 0:c69d1ec4d395 30 uLCD.filled_rectangle(red_car_x,red_car_y,red_car_x+15,red_car_y+15,0xFF3300);//change position
yhazrat3 0:c69d1ec4d395 31
yhazrat3 1:54ed477da4d3 32 }
yhazrat3 0:c69d1ec4d395 33
yhazrat3 1:54ed477da4d3 34 lcd_mutex.unlock();//release the lock
yhazrat3 0:c69d1ec4d395 35 Thread::wait(500);
yhazrat3 0:c69d1ec4d395 36
yhazrat3 0:c69d1ec4d395 37 }
yhazrat3 0:c69d1ec4d395 38 }
yhazrat3 0:c69d1ec4d395 39
yhazrat3 0:c69d1ec4d395 40
yhazrat3 1:54ed477da4d3 41 void thread2(void const *args)//thread 1 moves the blue car, code similar to thread 1
yhazrat3 0:c69d1ec4d395 42 {
yhazrat3 0:c69d1ec4d395 43
yhazrat3 1:54ed477da4d3 44 while(true) {
yhazrat3 1:54ed477da4d3 45
yhazrat3 0:c69d1ec4d395 46 if(blue_car_x>127){
yhazrat3 0:c69d1ec4d395 47 blue_car_x=-16;
yhazrat3 0:c69d1ec4d395 48 blue_car_y=64;
yhazrat3 0:c69d1ec4d395 49
yhazrat3 0:c69d1ec4d395 50 }
yhazrat3 0:c69d1ec4d395 51 lcd_mutex.lock();
yhazrat3 0:c69d1ec4d395 52 uLCD.filled_rectangle(blue_car_x,blue_car_y,blue_car_x+15,blue_car_y+15,0x000000);
yhazrat3 0:c69d1ec4d395 53 blue_car_x=blue_car_x+16;
yhazrat3 0:c69d1ec4d395 54 for(i=0;i<5;i++){
yhazrat3 0:c69d1ec4d395 55 uLCD.filled_rectangle(blue_car_x,blue_car_y,blue_car_x+15,blue_car_y+15,BLUE);//change position
yhazrat3 0:c69d1ec4d395 56
yhazrat3 0:c69d1ec4d395 57 }
yhazrat3 1:54ed477da4d3 58
yhazrat3 0:c69d1ec4d395 59 lcd_mutex.unlock();
yhazrat3 0:c69d1ec4d395 60 Thread::wait(200);
yhazrat3 0:c69d1ec4d395 61
yhazrat3 0:c69d1ec4d395 62 }
yhazrat3 0:c69d1ec4d395 63 }
yhazrat3 0:c69d1ec4d395 64
yhazrat3 1:54ed477da4d3 65 void thread3(void const *args)//thread 3 plays the sound effects
yhazrat3 0:c69d1ec4d395 66 {
yhazrat3 0:c69d1ec4d395 67
yhazrat3 0:c69d1ec4d395 68
yhazrat3 1:54ed477da4d3 69 while(true) {
yhazrat3 1:54ed477da4d3 70
yhazrat3 0:c69d1ec4d395 71 speaker.period(1.0/150.0); // 500hz period
yhazrat3 0:c69d1ec4d395 72 speaker =0.25; //25% duty cycle - mid range volume
yhazrat3 0:c69d1ec4d395 73 wait(.02);
yhazrat3 1:54ed477da4d3 74 speaker=0.0;//stop the speaker
yhazrat3 1:54ed477da4d3 75
yhazrat3 0:c69d1ec4d395 76 Thread::wait(500);
yhazrat3 0:c69d1ec4d395 77
yhazrat3 0:c69d1ec4d395 78 }
yhazrat3 0:c69d1ec4d395 79 }
yhazrat3 1:54ed477da4d3 80
yhazrat3 0:c69d1ec4d395 81 int main()
yhazrat3 0:c69d1ec4d395 82 {
yhazrat3 1:54ed477da4d3 83
yhazrat3 1:54ed477da4d3 84 A:uLCD.cls();// clear the LCD
yhazrat3 0:c69d1ec4d395 85
yhazrat3 0:c69d1ec4d395 86 uLCD.text_width(2); //2X size text
yhazrat3 0:c69d1ec4d395 87 uLCD.text_height(2);
yhazrat3 0:c69d1ec4d395 88
yhazrat3 0:c69d1ec4d395 89
yhazrat3 0:c69d1ec4d395 90 uLCD.locate(2,2);
yhazrat3 0:c69d1ec4d395 91
yhazrat3 1:54ed477da4d3 92 uLCD.printf("\n Frogger-G\n");//display the Title
yhazrat3 0:c69d1ec4d395 93 wait(0.1);
yhazrat3 0:c69d1ec4d395 94
yhazrat3 1:54ed477da4d3 95 // Sound effects at the start of the game
yhazrat3 0:c69d1ec4d395 96 for (i=0; i<500; i=i+100) {
yhazrat3 0:c69d1ec4d395 97 speaker.period(1.0/float(i));
yhazrat3 0:c69d1ec4d395 98 speaker=0.25;
yhazrat3 0:c69d1ec4d395 99 wait(.1);
yhazrat3 0:c69d1ec4d395 100 }
yhazrat3 0:c69d1ec4d395 101 wait(2);
yhazrat3 0:c69d1ec4d395 102 uLCD.cls();
yhazrat3 0:c69d1ec4d395 103 uLCD.text_width(2); //2X size text
yhazrat3 0:c69d1ec4d395 104 uLCD.text_height(2);
yhazrat3 0:c69d1ec4d395 105 uLCD.locate(0,0);
yhazrat3 0:c69d1ec4d395 106 uLCD.color( 0xFF00FF);
yhazrat3 0:c69d1ec4d395 107 uLCD.printf("\n Help the frog \n cross \nthe road!\n");
yhazrat3 0:c69d1ec4d395 108 wait (2);
yhazrat3 0:c69d1ec4d395 109
yhazrat3 0:c69d1ec4d395 110 uLCD.cls();
yhazrat3 0:c69d1ec4d395 111
yhazrat3 0:c69d1ec4d395 112
yhazrat3 0:c69d1ec4d395 113 red_car_x=0;
yhazrat3 0:c69d1ec4d395 114 red_car_y=32;
yhazrat3 0:c69d1ec4d395 115 blue_car_x=0;
yhazrat3 0:c69d1ec4d395 116 blue_car_y=64;
yhazrat3 0:c69d1ec4d395 117 frog_x=32;
yhazrat3 0:c69d1ec4d395 118 frog_y=96;
yhazrat3 1:54ed477da4d3 119 //initialize the frog position
yhazrat3 0:c69d1ec4d395 120 uLCD.filled_rectangle(frog_x,frog_y,frog_x+15,frog_y+15,0x99FF00);
yhazrat3 0:c69d1ec4d395 121 uLCD.filled_rectangle(red_car_x,red_car_y,red_car_x+15,red_car_y+15,0xff3300);
yhazrat3 0:c69d1ec4d395 122 uLCD.filled_rectangle(blue_car_x,blue_car_y,blue_car_x+15,blue_car_y+15,BLUE);
yhazrat3 0:c69d1ec4d395 123
yhazrat3 0:c69d1ec4d395 124 int readings[3] = {0, 0, 0};
yhazrat3 0:c69d1ec4d395 125
yhazrat3 1:54ed477da4d3 126 //Go into standby mode to configure the device.
yhazrat3 0:c69d1ec4d395 127 accelerometer.setPowerControl(0x00);
yhazrat3 0:c69d1ec4d395 128
yhazrat3 0:c69d1ec4d395 129 //Full resolution, +/-16g, 4mg/LSB.
yhazrat3 0:c69d1ec4d395 130 accelerometer.setDataFormatControl(0x0B);
yhazrat3 0:c69d1ec4d395 131
yhazrat3 0:c69d1ec4d395 132 //3.2kHz data rate.
yhazrat3 0:c69d1ec4d395 133 accelerometer.setDataRate(ADXL345_3200HZ);
yhazrat3 0:c69d1ec4d395 134
yhazrat3 0:c69d1ec4d395 135 //Measurement mode.
yhazrat3 0:c69d1ec4d395 136 accelerometer.setPowerControl(0x08);
yhazrat3 1:54ed477da4d3 137 //Initialize all threads
yhazrat3 1:54ed477da4d3 138 Thread t1(thread1);
yhazrat3 1:54ed477da4d3 139 Thread t2(thread2);
yhazrat3 0:c69d1ec4d395 140 Thread t3(thread3);
yhazrat3 1:54ed477da4d3 141
yhazrat3 0:c69d1ec4d395 142 while (1) {
yhazrat3 0:c69d1ec4d395 143
yhazrat3 0:c69d1ec4d395 144
yhazrat3 0:c69d1ec4d395 145 for(i=0;i<5;i++)
yhazrat3 1:54ed477da4d3 146 //average accelerometer readings for accuracy
yhazrat3 0:c69d1ec4d395 147 {
yhazrat3 0:c69d1ec4d395 148 accelerometer.getOutput(readings);
yhazrat3 0:c69d1ec4d395 149 pc.printf("%i, %i, %i ", (int16_t)readings[0], (int16_t)readings[1], (int16_t)readings[2]);
yhazrat3 0:c69d1ec4d395 150 x=x+int16_t(readings[0]);
yhazrat3 0:c69d1ec4d395 151 y=y+int16_t(readings[1]);
yhazrat3 0:c69d1ec4d395 152 }
yhazrat3 0:c69d1ec4d395 153 x=int(x/5);
yhazrat3 0:c69d1ec4d395 154 y=int(y/5);
yhazrat3 0:c69d1ec4d395 155
yhazrat3 1:54ed477da4d3 156 //debug
yhazrat3 0:c69d1ec4d395 157 pc.printf("%d, %d ", int(x),int(y) );
yhazrat3 1:54ed477da4d3 158
yhazrat3 1:54ed477da4d3 159 //move the frog according to accelerometer readings
yhazrat3 1:54ed477da4d3 160 //thresholds obtained through trial and error
yhazrat3 1:54ed477da4d3 161 //move right
yhazrat3 0:c69d1ec4d395 162 if(y>0){
yhazrat3 0:c69d1ec4d395 163 lcd_mutex.lock();
yhazrat3 0:c69d1ec4d395 164 uLCD.filled_rectangle(frog_x,frog_y,frog_x+15,frog_y+15,0x000000);
yhazrat3 0:c69d1ec4d395 165 frog_x=frog_x+16;
yhazrat3 0:c69d1ec4d395 166
yhazrat3 0:c69d1ec4d395 167 uLCD.filled_rectangle(frog_x,frog_y,frog_x+15,frog_y+15,0x99FF00);
yhazrat3 0:c69d1ec4d395 168 lcd_mutex.unlock();
yhazrat3 0:c69d1ec4d395 169 }
yhazrat3 1:54ed477da4d3 170 //move up
yhazrat3 0:c69d1ec4d395 171 if(x<70){
yhazrat3 0:c69d1ec4d395 172 lcd_mutex.lock();
yhazrat3 0:c69d1ec4d395 173 uLCD.filled_rectangle(frog_x,frog_y,frog_x+15,frog_y+15,0x000000);
yhazrat3 0:c69d1ec4d395 174 frog_y=frog_y-16;
yhazrat3 0:c69d1ec4d395 175
yhazrat3 0:c69d1ec4d395 176 uLCD.filled_rectangle(frog_x,frog_y,frog_x+15,frog_y+15,0x99FF00);
yhazrat3 0:c69d1ec4d395 177 lcd_mutex.unlock();
yhazrat3 0:c69d1ec4d395 178 }
yhazrat3 1:54ed477da4d3 179 //move left
yhazrat3 0:c69d1ec4d395 180 if(y<-70){
yhazrat3 0:c69d1ec4d395 181 lcd_mutex.lock();
yhazrat3 0:c69d1ec4d395 182 uLCD.filled_rectangle(frog_x,frog_y,frog_x+15,frog_y+15,0x000000);
yhazrat3 0:c69d1ec4d395 183 frog_x=frog_x-16;
yhazrat3 0:c69d1ec4d395 184
yhazrat3 0:c69d1ec4d395 185 uLCD.filled_rectangle(frog_x,frog_y,frog_x+15,frog_y+15,0x99FF00);
yhazrat3 0:c69d1ec4d395 186 lcd_mutex.unlock();
yhazrat3 0:c69d1ec4d395 187 }
yhazrat3 1:54ed477da4d3 188 //move down
yhazrat3 0:c69d1ec4d395 189 if(x>180){
yhazrat3 0:c69d1ec4d395 190 lcd_mutex.lock();
yhazrat3 0:c69d1ec4d395 191 uLCD.filled_rectangle(frog_x,frog_y,frog_x+15,frog_y+15,0x000000);
yhazrat3 0:c69d1ec4d395 192 frog_y=frog_y+16;
yhazrat3 0:c69d1ec4d395 193
yhazrat3 0:c69d1ec4d395 194 uLCD.filled_rectangle(frog_x,frog_y,frog_x+15,frog_y+15,0x99FF00);
yhazrat3 0:c69d1ec4d395 195 lcd_mutex.unlock();
yhazrat3 0:c69d1ec4d395 196 }
yhazrat3 0:c69d1ec4d395 197
yhazrat3 1:54ed477da4d3 198 //check collisions
yhazrat3 0:c69d1ec4d395 199 if ((frog_x==red_car_x & frog_y==red_car_y)|(frog_x==blue_car_x & frog_y==blue_car_y))
yhazrat3 0:c69d1ec4d395 200 {
yhazrat3 0:c69d1ec4d395 201 lcd_mutex.lock();
yhazrat3 0:c69d1ec4d395 202 uLCD.cls();
yhazrat3 1:54ed477da4d3 203
yhazrat3 1:54ed477da4d3 204 uLCD.text_width(2); //2X size text
yhazrat3 0:c69d1ec4d395 205 uLCD.text_height(2);
yhazrat3 0:c69d1ec4d395 206 uLCD.color(RED);
yhazrat3 0:c69d1ec4d395 207 uLCD.locate(2,2);
yhazrat3 1:54ed477da4d3 208 uLCD.printf("\n GAME \n OVER!\n");// display message
yhazrat3 0:c69d1ec4d395 209 speaker.period(1.0/500.0); // 500hz period
yhazrat3 0:c69d1ec4d395 210 speaker =0.5; //50% duty cycle - max volume
yhazrat3 0:c69d1ec4d395 211 wait(3);
yhazrat3 0:c69d1ec4d395 212 speaker=0.0; // turn off audio
yhazrat3 0:c69d1ec4d395 213
yhazrat3 0:c69d1ec4d395 214 wait(2);
yhazrat3 0:c69d1ec4d395 215 lcd_mutex.unlock();
yhazrat3 1:54ed477da4d3 216 goto A;//restart the game
yhazrat3 0:c69d1ec4d395 217 }
yhazrat3 1:54ed477da4d3 218 //check if frog has crossed the road
yhazrat3 0:c69d1ec4d395 219 if (frog_y<32)
yhazrat3 0:c69d1ec4d395 220 {
yhazrat3 0:c69d1ec4d395 221
yhazrat3 0:c69d1ec4d395 222 lcd_mutex.lock();
yhazrat3 0:c69d1ec4d395 223 uLCD.cls();
yhazrat3 1:54ed477da4d3 224
yhazrat3 1:54ed477da4d3 225 uLCD.text_width(2); //2X size text
yhazrat3 0:c69d1ec4d395 226 uLCD.text_height(2);
yhazrat3 0:c69d1ec4d395 227 uLCD.color(0xffff00);
yhazrat3 0:c69d1ec4d395 228 uLCD.locate(2,2);
yhazrat3 1:54ed477da4d3 229 uLCD.printf("\n You \n WIN!\n");//display message
yhazrat3 0:c69d1ec4d395 230
yhazrat3 0:c69d1ec4d395 231 for (i=0; i<500; i=i+100) {
yhazrat3 0:c69d1ec4d395 232 speaker.period(1.0/float(i));
yhazrat3 0:c69d1ec4d395 233 speaker=0.25;
yhazrat3 0:c69d1ec4d395 234 wait(.1);
yhazrat3 0:c69d1ec4d395 235 }
yhazrat3 0:c69d1ec4d395 236 wait(5);
yhazrat3 0:c69d1ec4d395 237 lcd_mutex.unlock();
yhazrat3 1:54ed477da4d3 238 goto A;//restart the game
yhazrat3 0:c69d1ec4d395 239 }
yhazrat3 0:c69d1ec4d395 240
yhazrat3 0:c69d1ec4d395 241
yhazrat3 0:c69d1ec4d395 242 Thread::wait(50); // wait 0.5s
yhazrat3 0:c69d1ec4d395 243 }
yhazrat3 0:c69d1ec4d395 244
yhazrat3 0:c69d1ec4d395 245
yhazrat3 0:c69d1ec4d395 246
yhazrat3 0:c69d1ec4d395 247 }