Bonny Ngangu / Mbed 2 deprecated Squash_Project

The present code implements a single player squash game, using joystick to move paddle right or left. And checks the current temperature inside the device.

Dependencies:   2645_I2C_TMP102 2645_Physics_Engine_Example Paddle mbed

main.cpp@2:c1b442f26087, 2016-05-09 (annotated)

Committer:
bonnyngangu
Date:
Mon May 09 09:17:47 2016 +0000
Revision:
2:c1b442f26087
Parent:
1:fe4ac8f10309
Child:
4:1d38d6b09e84
The present code implements a single player squash game, using joystick to move paddle right or left. And checks the current temperature inside the device.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bonnyngangu 0:61128d697217 1 #include "mbed.h"
bonnyngangu 0:61128d697217 2 #include "N5110.h"
bonnyngangu 1:fe4ac8f10309 3 #include "game.h"
bonnyngangu 2:c1b442f26087 4 #include "main.h"
bonnyngangu 2:c1b442f26087 5
bonnyngangu 0:61128d697217 6
bonnyngangu 0:61128d697217 7 #define BALLRADIUS 2
bonnyngangu 0:61128d697217 8
bonnyngangu 0:61128d697217 9
bonnyngangu 0:61128d697217 10 // VCC, SCE, RST, D/C, MOSI, SCLK, LED
bonnyngangu 0:61128d697217 11 N5110 lcd (PTE26 , PTA0 , PTC4 , PTD0 , PTD2 , PTD1 , PTC3);
bonnyngangu 0:61128d697217 12 // Can also power (VCC) directly from VOUT (3.3 V) -
bonnyngangu 0:61128d697217 13 // Can give better performance due to current limitation from GPIO pin
bonnyngangu 0:61128d697217 14
bonnyngangu 1:fe4ac8f10309 15 InterruptIn interrupt_button(PTB18); // interrupting the sleep mode.
bonnyngangu 0:61128d697217 16 PwmOut buzzer(PTA2); // buzzer connection to PwmOut.
bonnyngangu 0:61128d697217 17
bonnyngangu 1:fe4ac8f10309 18 // connections for joystick
bonnyngangu 1:fe4ac8f10309 19 DigitalIn button(PTB10);
bonnyngangu 1:fe4ac8f10309 20 AnalogIn xPot(PTB2);
bonnyngangu 1:fe4ac8f10309 21 AnalogIn yPot(PTB3);
bonnyngangu 1:fe4ac8f10309 22
bonnyngangu 0:61128d697217 23 void delete_file(char filename[]);
bonnyngangu 0:61128d697217 24
bonnyngangu 0:61128d697217 25 // function prototypes
bonnyngangu 0:61128d697217 26 void init_ball();
bonnyngangu 0:61128d697217 27 void game_timer_isr();
bonnyngangu 0:61128d697217 28 void BallMove();
bonnyngangu 0:61128d697217 29 void redraw_screen();
bonnyngangu 0:61128d697217 30 void update_physics_engine();
bonnyngangu 0:61128d697217 31 void check_collisions();
bonnyngangu 0:61128d697217 32 void Squash_Court();
bonnyngangu 0:61128d697217 33 void getPaddle();
bonnyngangu 0:61128d697217 34 void PaddleMove();
bonnyngangu 0:61128d697217 35 void updateJoystick();
bonnyngangu 1:fe4ac8f10309 36 void drawCircle(int x0,int y0,int radius,int fill);
bonnyngangu 2:c1b442f26087 37 void Temp_reading();
bonnyngangu 0:61128d697217 38
bonnyngangu 0:61128d697217 39 // Can give better performance due to current limitation from GPIO pin
bonnyngangu 0:61128d697217 40 Ticker game_timer;
bonnyngangu 0:61128d697217 41
bonnyngangu 0:61128d697217 42 // struct used to store 2D vectors
bonnyngangu 0:61128d697217 43 typedef struct vector_t vector_t;
bonnyngangu 0:61128d697217 44 struct vector_t {
bonnyngangu 0:61128d697217 45 float x;
bonnyngangu 0:61128d697217 46 float y;
bonnyngangu 0:61128d697217 47 };
bonnyngangu 0:61128d697217 48
bonnyngangu 0:61128d697217 49 vector_t pos; // ball position
bonnyngangu 0:61128d697217 50 vector_t vel; // ball velocity
bonnyngangu 0:61128d697217 51 vector_t acc; // ball acceleration
bonnyngangu 0:61128d697217 52
bonnyngangu 0:61128d697217 53 float refresh_rate = 25.0; // how often to update display (Hz)
bonnyngangu 0:61128d697217 54 float g_dt = 2.0F/refresh_rate; // global to store time step (F makes it a float, gets rid of compiler warning)
bonnyngangu 0:61128d697217 55 volatile int g_timer_flag = 0;
bonnyngangu 0:61128d697217 56
bonnyngangu 0:61128d697217 57 int scoring = 0;// setting the value of starting score.
bonnyngangu 1:fe4ac8f10309 58 int m = 42;
bonnyngangu 0:61128d697217 59
bonnyngangu 0:61128d697217 60 int main()
bonnyngangu 0:61128d697217 61 {
bonnyngangu 0:61128d697217 62
bonnyngangu 0:61128d697217 63 wait(1.0); // short delay for power settling
bonnyngangu 0:61128d697217 64 lcd.init(); // initialising the display
bonnyngangu 1:fe4ac8f10309 65
bonnyngangu 1:fe4ac8f10309 66 // creating introduction screen
bonnyngangu 0:61128d697217 67 lcd.printString(" SQUASH!",15,2);
bonnyngangu 0:61128d697217 68 lcd.inverseMode(); // invert colours
bonnyngangu 0:61128d697217 69 lcd.drawLine(41,0,0,23,1);
bonnyngangu 0:61128d697217 70 lcd.drawLine(41,0,83,23,1);
bonnyngangu 0:61128d697217 71 lcd.drawLine(0,23,41,47,1);
bonnyngangu 0:61128d697217 72 lcd.drawLine(83,23,41,47,1);
bonnyngangu 0:61128d697217 73 lcd.refresh();
bonnyngangu 0:61128d697217 74 wait(5.0);
bonnyngangu 0:61128d697217 75 lcd.clear();
bonnyngangu 1:fe4ac8f10309 76
bonnyngangu 0:61128d697217 77 lcd.printString("Game starting",5,2);
bonnyngangu 0:61128d697217 78 lcd.normalMode(); // normal colour mode
bonnyngangu 0:61128d697217 79 lcd.setBrightness(0.5); // put LED backlight on 50%
bonnyngangu 0:61128d697217 80
bonnyngangu 1:fe4ac8f10309 81 buzzer.period_ms(1.5);
bonnyngangu 0:61128d697217 82 buzzer.pulsewidth_ms(1.9);
bonnyngangu 0:61128d697217 83 getPaddle();
bonnyngangu 0:61128d697217 84 wait(3.0);
bonnyngangu 2:c1b442f26087 85 lcd.clear();
bonnyngangu 2:c1b442f26087 86
bonnyngangu 2:c1b442f26087 87 // checking the heat on the regulator
bonnyngangu 2:c1b442f26087 88 Temp_reading();
bonnyngangu 2:c1b442f26087 89 wait(3.0);
bonnyngangu 2:c1b442f26087 90
bonnyngangu 1:fe4ac8f10309 91 init_ball();
bonnyngangu 0:61128d697217 92
bonnyngangu 0:61128d697217 93 // setup ticker
bonnyngangu 0:61128d697217 94 game_timer.attach(&game_timer_isr,g_dt);
bonnyngangu 0:61128d697217 95
bonnyngangu 0:61128d697217 96 redraw_screen(); // draw initial screen
bonnyngangu 1:fe4ac8f10309 97
bonnyngangu 0:61128d697217 98 while (1) {
bonnyngangu 0:61128d697217 99
bonnyngangu 1:fe4ac8f10309 100 Squash_Court(); // draw squash court
bonnyngangu 1:fe4ac8f10309 101
bonnyngangu 1:fe4ac8f10309 102 // setting the joystick control.
bonnyngangu 1:fe4ac8f10309 103 if ( fabs(joystick.y) < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
bonnyngangu 1:fe4ac8f10309 104 joystick.direction = CENTRE;
bonnyngangu 1:fe4ac8f10309 105 int m = 42;
bonnyngangu 1:fe4ac8f10309 106 lcd.drawLine(m-6,45,m+6,45,1);
bonnyngangu 1:fe4ac8f10309 107 lcd.refresh();
bonnyngangu 1:fe4ac8f10309 108 wait(0.05);
bonnyngangu 1:fe4ac8f10309 109 lcd.clear();
bonnyngangu 1:fe4ac8f10309 110 }
bonnyngangu 1:fe4ac8f10309 111
bonnyngangu 1:fe4ac8f10309 112 else if ( joystick.x < DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
bonnyngangu 1:fe4ac8f10309 113 joystick.direction = LEFT;
bonnyngangu 1:fe4ac8f10309 114 int m = 18;
bonnyngangu 1:fe4ac8f10309 115 lcd.drawLine(m-6,45,m+6,45,1);
bonnyngangu 1:fe4ac8f10309 116 lcd.refresh();
bonnyngangu 1:fe4ac8f10309 117 wait(0.05);
bonnyngangu 1:fe4ac8f10309 118 lcd.clear();
bonnyngangu 1:fe4ac8f10309 119 }
bonnyngangu 1:fe4ac8f10309 120
bonnyngangu 1:fe4ac8f10309 121 else if ( joystick.x > DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
bonnyngangu 1:fe4ac8f10309 122 joystick.direction = RIGHT;
bonnyngangu 1:fe4ac8f10309 123 int m = 66;
bonnyngangu 1:fe4ac8f10309 124 lcd.drawLine(m-6,45,m+6,45,1);
bonnyngangu 1:fe4ac8f10309 125 //m-=1;// moving a pixel a time.
bonnyngangu 1:fe4ac8f10309 126 lcd.refresh();
bonnyngangu 1:fe4ac8f10309 127 wait(0.05);
bonnyngangu 1:fe4ac8f10309 128 lcd.clear();
bonnyngangu 1:fe4ac8f10309 129 }
bonnyngangu 2:c1b442f26087 130
bonnyngangu 0:61128d697217 131 BallMove();
bonnyngangu 0:61128d697217 132 }
bonnyngangu 0:61128d697217 133 }
bonnyngangu 0:61128d697217 134
bonnyngangu 0:61128d697217 135 void getPaddle() // setting paddle moving
bonnyngangu 0:61128d697217 136 {
bonnyngangu 0:61128d697217 137 int m = 42 ; // set paddle into origin 42 on X axis.
bonnyngangu 0:61128d697217 138
bonnyngangu 1:fe4ac8f10309 139 // draw a circle x,y,radius,black fill
bonnyngangu 1:fe4ac8f10309 140 lcd.drawCircle(42,40,2,1);
bonnyngangu 1:fe4ac8f10309 141
bonnyngangu 0:61128d697217 142 // drawing the paddle.
bonnyngangu 0:61128d697217 143 lcd.drawLine(m-6,45,m+6,45,1);
bonnyngangu 0:61128d697217 144 lcd.refresh();
bonnyngangu 0:61128d697217 145 }
bonnyngangu 0:61128d697217 146
bonnyngangu 0:61128d697217 147 void Squash_Court()
bonnyngangu 0:61128d697217 148 {
bonnyngangu 0:61128d697217 149
bonnyngangu 0:61128d697217 150 lcd.drawRect(0,0,83,47,0); // transparent, just outline
bonnyngangu 0:61128d697217 151 lcd.refresh(); // need to refresh screen after drawing rects
bonnyngangu 0:61128d697217 152
bonnyngangu 0:61128d697217 153 for (int i = 0; i < 84; i++) {
bonnyngangu 0:61128d697217 154
bonnyngangu 0:61128d697217 155 lcd.setPixel(i,24);// at y = 24 pixels (centre)
bonnyngangu 0:61128d697217 156 }
bonnyngangu 0:61128d697217 157
bonnyngangu 0:61128d697217 158 for (int i = 0; i < 84; i++) {
bonnyngangu 0:61128d697217 159
bonnyngangu 0:61128d697217 160 lcd.setPixel(i,16);// // at y = 14 pixels
bonnyngangu 0:61128d697217 161 }
bonnyngangu 0:61128d697217 162
bonnyngangu 0:61128d697217 163 // need to refresh display after setting pixels
bonnyngangu 0:61128d697217 164 lcd.refresh();
bonnyngangu 0:61128d697217 165
bonnyngangu 0:61128d697217 166 }
bonnyngangu 0:61128d697217 167
bonnyngangu 0:61128d697217 168 void BallMove()
bonnyngangu 0:61128d697217 169 {
bonnyngangu 0:61128d697217 170 if ( g_timer_flag ) { // ticker interrupt
bonnyngangu 0:61128d697217 171 g_timer_flag = 0; // clear flag
bonnyngangu 0:61128d697217 172 update_physics_engine();
bonnyngangu 0:61128d697217 173 check_collisions();
bonnyngangu 0:61128d697217 174 redraw_screen();
bonnyngangu 0:61128d697217 175 }
bonnyngangu 0:61128d697217 176 }
bonnyngangu 0:61128d697217 177
bonnyngangu 0:61128d697217 178 void redraw_screen()
bonnyngangu 0:61128d697217 179 {
bonnyngangu 0:61128d697217 180 lcd.clear();
bonnyngangu 0:61128d697217 181 lcd.drawCircle(pos.x,pos.y,BALLRADIUS,1); // x,y,radius,black fill
bonnyngangu 0:61128d697217 182 lcd.refresh(); // update display
bonnyngangu 0:61128d697217 183 }
bonnyngangu 0:61128d697217 184
bonnyngangu 0:61128d697217 185 void check_collisions()
bonnyngangu 0:61128d697217 186 {
bonnyngangu 0:61128d697217 187 // see if ball has hit the floor (subtract the radius since the position is the centre of the ball)
bonnyngangu 0:61128d697217 188 if ( pos.y >= 47 - BALLRADIUS ) {
bonnyngangu 0:61128d697217 189 pos.y = 47 - BALLRADIUS; // need to force this or else ball can end up going 'underground'
bonnyngangu 0:61128d697217 190 vel.y = -1.0 * vel.y; // y velocity is reflected and dampened
bonnyngangu 0:61128d697217 191 // y accleration is still gravity
bonnyngangu 0:61128d697217 192 }
bonnyngangu 0:61128d697217 193
bonnyngangu 0:61128d697217 194 else if ( pos.y >= 45 - BALLRADIUS) {
bonnyngangu 0:61128d697217 195 pos.y = 45 - BALLRADIUS; // need to force this or else ball can end up going 'underground'
bonnyngangu 0:61128d697217 196 vel.y = -4.0 * vel.y; // y velocity is reflected and dampened
bonnyngangu 0:61128d697217 197 // y accleration is still gravity
bonnyngangu 0:61128d697217 198 }
bonnyngangu 0:61128d697217 199
bonnyngangu 0:61128d697217 200 // has ball gone off the right-hand side?
bonnyngangu 0:61128d697217 201 if ( pos.x >= 83 - BALLRADIUS ) {
bonnyngangu 0:61128d697217 202 pos.x = 83 - BALLRADIUS; // need to force this or else ball can end up going off screen
bonnyngangu 0:61128d697217 203 vel.x = -1.5 * vel.x; // reflect and damp velocity
bonnyngangu 0:61128d697217 204 acc.x = -acc.x; // reflect accleration
bonnyngangu 0:61128d697217 205 }
bonnyngangu 0:61128d697217 206
bonnyngangu 0:61128d697217 207 // what about the left?
bonnyngangu 0:61128d697217 208 if ( pos.x <= BALLRADIUS ) {
bonnyngangu 0:61128d697217 209 pos.x = BALLRADIUS; // need to force this or else ball can end up going off screen
bonnyngangu 0:61128d697217 210 vel.x = -0.5 * vel.x; // reflect and damp velocity
bonnyngangu 0:61128d697217 211 acc.x = -acc.x; // reflect accleration
bonnyngangu 0:61128d697217 212 }
bonnyngangu 0:61128d697217 213 }
bonnyngangu 0:61128d697217 214
bonnyngangu 0:61128d697217 215 void update_physics_engine()
bonnyngangu 0:61128d697217 216 {
bonnyngangu 0:61128d697217 217 // from Newton's Laws
bonnyngangu 0:61128d697217 218
bonnyngangu 0:61128d697217 219 acc.x = 0.9F*acc.x; // reduce a little due to air friction
bonnyngangu 0:61128d697217 220
bonnyngangu 0:61128d697217 221 // calc new velocity (assume 'unit' time)
bonnyngangu 0:61128d697217 222 vel.x = vel.x + acc.x; // * g_gt;
bonnyngangu 0:61128d697217 223 vel.y = vel.y + acc.y; // * g_gt;
bonnyngangu 0:61128d697217 224
bonnyngangu 0:61128d697217 225 // calc new position (assume 'unit' time)
bonnyngangu 0:61128d697217 226 pos.x = pos.x + vel.x;// * g_gt;
bonnyngangu 0:61128d697217 227 pos.y = pos.y + vel.y;// * g_dt;
bonnyngangu 0:61128d697217 228
bonnyngangu 0:61128d697217 229 // should really multiply the above by the time-step,
bonnyngangu 0:61128d697217 230 // but since the pixel can only be a integer value,
bonnyngangu 0:61128d697217 231 // it makes the motion a little 'jumpy'.
bonnyngangu 0:61128d697217 232 }
bonnyngangu 0:61128d697217 233
bonnyngangu 0:61128d697217 234 void init_ball()
bonnyngangu 0:61128d697217 235 {
bonnyngangu 0:61128d697217 236 // initial position (top-left)
bonnyngangu 0:61128d697217 237 pos.x = BALLRADIUS;
bonnyngangu 0:61128d697217 238 pos.y = BALLRADIUS;
bonnyngangu 0:61128d697217 239 // initial velocity - still
bonnyngangu 0:61128d697217 240 vel.x = 0.0;
bonnyngangu 0:61128d697217 241 vel.y = 0.0;
bonnyngangu 0:61128d697217 242 // initial acceleration - gravity and a bit of push to right
bonnyngangu 0:61128d697217 243 acc.x = 0.5;
bonnyngangu 0:61128d697217 244 acc.y = 1.0; // +ve so ball accelerates to bottom of display (top of screen is y=0, bottom is y=47)
bonnyngangu 0:61128d697217 245 // should be 9.8, but can play with value to get a 'nice' ball movement
bonnyngangu 0:61128d697217 246 }
bonnyngangu 0:61128d697217 247
bonnyngangu 1:fe4ac8f10309 248 void calibrateJoystick()
bonnyngangu 1:fe4ac8f10309 249 {
bonnyngangu 1:fe4ac8f10309 250 button.mode(PullDown);
bonnyngangu 1:fe4ac8f10309 251 // must not move during calibration
bonnyngangu 1:fe4ac8f10309 252 joystick.x0 = xPot; // initial positions in the range 0.0 to 1.0 (0.5 if centred exactly)
bonnyngangu 1:fe4ac8f10309 253 joystick.y0 = yPot;
bonnyngangu 1:fe4ac8f10309 254 }
bonnyngangu 1:fe4ac8f10309 255 void updateJoystick()
bonnyngangu 1:fe4ac8f10309 256 {
bonnyngangu 1:fe4ac8f10309 257 // read current joystick values relative to calibrated values (in range -0.5 to 0.5, 0.0 is centred)
bonnyngangu 1:fe4ac8f10309 258 joystick.x = xPot - joystick.x0;
bonnyngangu 1:fe4ac8f10309 259 joystick.y = yPot - joystick.y0;
bonnyngangu 1:fe4ac8f10309 260 // read button state
bonnyngangu 1:fe4ac8f10309 261 joystick.buttonjoystick = button;
bonnyngangu 1:fe4ac8f10309 262
bonnyngangu 1:fe4ac8f10309 263 // calculate direction depending on x,y values
bonnyngangu 1:fe4ac8f10309 264 // tolerance allows a little lee-way in case joystick not exactly in the stated direction
bonnyngangu 1:fe4ac8f10309 265 if ( fabs(joystick.y) < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
bonnyngangu 1:fe4ac8f10309 266 joystick.direction = CENTRE;
bonnyngangu 1:fe4ac8f10309 267 } else if ( joystick.y > DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
bonnyngangu 1:fe4ac8f10309 268 joystick.direction = UP;
bonnyngangu 1:fe4ac8f10309 269 } else if ( joystick.y < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
bonnyngangu 1:fe4ac8f10309 270 joystick.direction = DOWN;
bonnyngangu 1:fe4ac8f10309 271 } else if ( joystick.x > DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
bonnyngangu 1:fe4ac8f10309 272 joystick.direction = RIGHT;
bonnyngangu 1:fe4ac8f10309 273 } else if ( joystick.x < DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
bonnyngangu 1:fe4ac8f10309 274 joystick.direction = LEFT;
bonnyngangu 1:fe4ac8f10309 275 } else {
bonnyngangu 1:fe4ac8f10309 276 joystick.direction = UNKNOWN;
bonnyngangu 1:fe4ac8f10309 277 }
bonnyngangu 1:fe4ac8f10309 278
bonnyngangu 1:fe4ac8f10309 279 // set flag for printing
bonnyngangu 1:fe4ac8f10309 280 printFlag = 1;
bonnyngangu 1:fe4ac8f10309 281 }
bonnyngangu 1:fe4ac8f10309 282
bonnyngangu 2:c1b442f26087 283 void Temp_reading()
bonnyngangu 2:c1b442f26087 284 {
bonnyngangu 2:c1b442f26087 285 //lcd.init(); // initialising the display
bonnyngangu 2:c1b442f26087 286 // initialise the board and serial port
bonnyngangu 2:c1b442f26087 287 init_K64F();
bonnyngangu 2:c1b442f26087 288 init_serial();
bonnyngangu 2:c1b442f26087 289 // call the sensor init method using dot syntax
bonnyngangu 2:c1b442f26087 290 tmp102.init();
bonnyngangu 2:c1b442f26087 291
bonnyngangu 2:c1b442f26087 292
bonnyngangu 2:c1b442f26087 293 // can directly print strings at specified co-ordinates
bonnyngangu 2:c1b442f26087 294 lcd.printString("Current Temp",0,0);
bonnyngangu 2:c1b442f26087 295
bonnyngangu 2:c1b442f26087 296 // read temperature and print over serial port
bonnyngangu 2:c1b442f26087 297 float T = tmp102.get_temperature();
bonnyngangu 2:c1b442f26087 298 pc.printf("T = %f K\n",T);
bonnyngangu 2:c1b442f26087 299
bonnyngangu 2:c1b442f26087 300 char buffer[14]; // each character is 6 pixels wide, screen is 84 pixels (84/6 = 14)
bonnyngangu 2:c1b442f26087 301 // so can display a string of a maximum 14 characters in length
bonnyngangu 2:c1b442f26087 302 // or create formatted strings - ensure they aren't more than 14 characters long
bonnyngangu 2:c1b442f26087 303 int length = sprintf(buffer,"T = %.2f C",T); // print formatted data to buffer
bonnyngangu 2:c1b442f26087 304 // it is important the format specifier ensures the length will fit in the buffer
bonnyngangu 2:c1b442f26087 305 if (length <= 14) // if string will fit on display
bonnyngangu 2:c1b442f26087 306 lcd.printString(buffer,0,2);
bonnyngangu 2:c1b442f26087 307
bonnyngangu 2:c1b442f26087 308 // small delay - 1s to match the update rate of the sensor (1 Hz)
bonnyngangu 2:c1b442f26087 309 wait(1.0);
bonnyngangu 2:c1b442f26087 310
bonnyngangu 2:c1b442f26087 311 if(T<27){
bonnyngangu 2:c1b442f26087 312
bonnyngangu 2:c1b442f26087 313 g_led = 0;
bonnyngangu 2:c1b442f26087 314 lcd.printString("Fan OFF",0,4);
bonnyngangu 2:c1b442f26087 315 }
bonnyngangu 2:c1b442f26087 316
bonnyngangu 2:c1b442f26087 317 if (T>=30){
bonnyngangu 2:c1b442f26087 318
bonnyngangu 2:c1b442f26087 319 r_led = 0;
bonnyngangu 2:c1b442f26087 320 lcd.printString("Fan ON ",0,4);
bonnyngangu 2:c1b442f26087 321 }
bonnyngangu 2:c1b442f26087 322 }
bonnyngangu 2:c1b442f26087 323
bonnyngangu 2:c1b442f26087 324
bonnyngangu 0:61128d697217 325 void game_timer_isr()
bonnyngangu 0:61128d697217 326 {
bonnyngangu 0:61128d697217 327 g_timer_flag = 1;
bonnyngangu 1:fe4ac8f10309 328 }