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Dependencies:   mbed

main.cpp@8:7e3f92f0dc47, 2015-10-18 (annotated)

Committer:
prithviganeshk
Date:
Sun Oct 18 19:06:39 2015 +0000
Revision:
8:7e3f92f0dc47
Parent:
7:3bed3e005200 
elevator extra credit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
prithviganeshk 8:7e3f92f0dc47 1 #include "mbed.h"
prithviganeshk 8:7e3f92f0dc47 2 #include "rtos.h
jiteshg 2:bf817b299c19 3
jiteshg 2:bf817b299c19 4 PwmOut pwm1(p21); //Servo Motor-1 PWM channel
jiteshg 2:bf817b299c19 5 PwmOut pwm2(p22); //Servo Motor-2 PWM channel
jiteshg 2:bf817b299c19 6
jiteshg 2:bf817b299c19 7 DigitalOut dc1(p5); //DC motor input-1
jiteshg 2:bf817b299c19 8 DigitalOut dc2(p6); //DC motor input-2
jiteshg 2:bf817b299c19 9 PwmOut pwm3(p23); //DC motor PWM channel
jiteshg 2:bf817b299c19 10
jiteshg 3:66a52943c525 11 AnalogIn button(p15); //Analog input from the floor buttons
jiteshg 4:acb62dee5ba9 12 InterruptIn event(p7); //Interrupt for rising and falling edge detection from IR
jiteshg 3:66a52943c525 13
jiteshg 4:acb62dee5ba9 14 Timer timer; //Timer to read falling and rising edge time
prithviganeshk 8:7e3f92f0dc47 15 Timer timer2;
jiteshg 4:acb62dee5ba9 16 Serial pc(USBTX, USBRX);//Serial Communication
jiteshg 0:fd080fb55bae 17
prithviganeshk 8:7e3f92f0dc47 18 //Functions
jiteshg 2:bf817b299c19 19 void openGate();
jiteshg 2:bf817b299c19 20 void closeGate();
jiteshg 4:acb62dee5ba9 21 void rising();
jiteshg 4:acb62dee5ba9 22 void falling();
prithviganeshk 8:7e3f92f0dc47 23 void read_button(void const *args);
prithviganeshk 8:7e3f92f0dc47 24 void addtoarray(int val);
jiteshg 3:66a52943c525 25 int getState(float adc_val);
jiteshg 3:66a52943c525 26
prithviganeshk 8:7e3f92f0dc47 27 //Global variables
jiteshg 4:acb62dee5ba9 28 int begin,end = 0;
prithviganeshk 8:7e3f92f0dc47 29 int dir = 1; // 1 is up and 0 is down
prithviganeshk 8:7e3f92f0dc47 30 int destinationState = 1; // Destination floor
prithviganeshk 8:7e3f92f0dc47 31 int currentState = 1; //Current floorfloat frequency = 0;
prithviganeshk 8:7e3f92f0dc47 32
prithviganeshk 8:7e3f92f0dc47 33 //Global arrays
prithviganeshk 8:7e3f92f0dc47 34 int fvalues[] = {0,100,250,500,700,1000};
prithviganeshk 8:7e3f92f0dc47 35 int press[4]; // to store the total number of keypresses
prithviganeshk 8:7e3f92f0dc47 36
jiteshg 2:bf817b299c19 37
jiteshg 0:fd080fb55bae 38 int main() {
prithviganeshk 8:7e3f92f0dc47 39
prithviganeshk 8:7e3f92f0dc47 40 int val;
prithviganeshk 8:7e3f92f0dc47 41 int i,temp =0;
prithviganeshk 8:7e3f92f0dc47 42 int flag_up =0;
prithviganeshk 8:7e3f92f0dc47 43 int flag_down =0;
prithviganeshk 8:7e3f92f0dc47 44
prithviganeshk 8:7e3f92f0dc47 45 press[0] = 0;
prithviganeshk 8:7e3f92f0dc47 46 press[1] = 0;
prithviganeshk 8:7e3f92f0dc47 47 press[2] = 0;
prithviganeshk 8:7e3f92f0dc47 48 press[3] = 0;
prithviganeshk 8:7e3f92f0dc47 49
jiteshg 4:acb62dee5ba9 50 timer.start();
jiteshg 4:acb62dee5ba9 51 event.rise(&rising);
jiteshg 4:acb62dee5ba9 52 event.fall(&falling);
prithviganeshk 8:7e3f92f0dc47 53
jiteshg 2:bf817b299c19 54 //Setting dc1 to high and dc2 to low initially
jiteshg 4:acb62dee5ba9 55 dc1 = 0;
jiteshg 4:acb62dee5ba9 56 dc2 = 1;
prithviganeshk 8:7e3f92f0dc47 57
prithviganeshk 8:7e3f92f0dc47 58 //Setting the period and duty cycle for DC motors
jiteshg 2:bf817b299c19 59 pwm3.period_ms(20);
prithviganeshk 8:7e3f92f0dc47 60 pwm3.write(0);
jiteshg 2:bf817b299c19 61
jiteshg 2:bf817b299c19 62 //Setting the period and duty cycle for Servo motors
jiteshg 0:fd080fb55bae 63 pwm1.period_ms(20);
jiteshg 2:bf817b299c19 64 pwm2.period_ms(20);
jiteshg 2:bf817b299c19 65 pwm1.write(0);
jiteshg 2:bf817b299c19 66 pwm2.write(0);
jiteshg 1:8c73948a0864 67
prithviganeshk 8:7e3f92f0dc47 68 Thread thread(read_button);
prithviganeshk 8:7e3f92f0dc47 69
jiteshg 1:8c73948a0864 70 while(1){
prithviganeshk 8:7e3f92f0dc47 71
prithviganeshk 8:7e3f92f0dc47 72 // Take the first element if not empty
prithviganeshk 8:7e3f92f0dc47 73 if(press[0] > 0)
prithviganeshk 8:7e3f92f0dc47 74 val = press[0];
prithviganeshk 8:7e3f92f0dc47 75 else
prithviganeshk 8:7e3f92f0dc47 76 continue;
prithviganeshk 8:7e3f92f0dc47 77
prithviganeshk 8:7e3f92f0dc47 78 // Ignore if new pressed floor is same as current floor
prithviganeshk 8:7e3f92f0dc47 79 // Remove the first value and left shift
prithviganeshk 8:7e3f92f0dc47 80 if(val == currentState || val == 0){
jiteshg 2:bf817b299c19 81 pwm3.write(0);
prithviganeshk 8:7e3f92f0dc47 82 press[0] = press[1];
prithviganeshk 8:7e3f92f0dc47 83 press[1] = press[2];
prithviganeshk 8:7e3f92f0dc47 84 press[2] = press[3];
prithviganeshk 8:7e3f92f0dc47 85 press[3] = 0;
prithviganeshk 8:7e3f92f0dc47 86 continue;
jiteshg 2:bf817b299c19 87 }
prithviganeshk 8:7e3f92f0dc47 88
prithviganeshk 8:7e3f92f0dc47 89
prithviganeshk 8:7e3f92f0dc47 90
prithviganeshk 8:7e3f92f0dc47 91 dir = 1;
prithviganeshk 8:7e3f92f0dc47 92 flag_up = 1;
prithviganeshk 8:7e3f92f0dc47 93
prithviganeshk 8:7e3f92f0dc47 94 while(dir == 1){
prithviganeshk 8:7e3f92f0dc47 95
prithviganeshk 8:7e3f92f0dc47 96 closeGate(); //Close gate
prithviganeshk 8:7e3f92f0dc47 97 printf("Moving up\n\n\n");
prithviganeshk 8:7e3f92f0dc47 98 printf("Destination Floor: %d\n",val);
prithviganeshk 8:7e3f92f0dc47 99 printf("Current Floor: %d\n",currentState);
prithviganeshk 8:7e3f92f0dc47 100
prithviganeshk 8:7e3f92f0dc47 101 dc1 = 0;
prithviganeshk 8:7e3f92f0dc47 102 dc2 = 1;
prithviganeshk 8:7e3f92f0dc47 103 pwm3.write(0.1);
prithviganeshk 8:7e3f92f0dc47 104 printf("Destination Floor Frequency value:%d\n",fvalues[val]);
prithviganeshk 8:7e3f92f0dc47 105
prithviganeshk 8:7e3f92f0dc47 106 while(1){
prithviganeshk 8:7e3f92f0dc47 107 if(((frequency > (fvalues[val] - 10)) && (frequency < (fvalues[val] + 10)))){
prithviganeshk 8:7e3f92f0dc47 108 currentState = val;
prithviganeshk 8:7e3f92f0dc47 109 openGate();
prithviganeshk 8:7e3f92f0dc47 110 break;
prithviganeshk 8:7e3f92f0dc47 111 }
prithviganeshk 8:7e3f92f0dc47 112 //else{
prithviganeshk 8:7e3f92f0dc47 113 // printf("current freq: %f\n",frequency);
prithviganeshk 8:7e3f92f0dc47 114 //}
prithviganeshk 8:7e3f92f0dc47 115 }
prithviganeshk 8:7e3f92f0dc47 116
prithviganeshk 8:7e3f92f0dc47 117 //Check for any key presses greater than current floor
prithviganeshk 8:7e3f92f0dc47 118 for(i=0; i<4 ;i++){
prithviganeshk 8:7e3f92f0dc47 119
prithviganeshk 8:7e3f92f0dc47 120 if(press[i]> 0 && press[i] > currentState ){
prithviganeshk 8:7e3f92f0dc47 121 val = press[i];
prithviganeshk 8:7e3f92f0dc47 122 press[i] = 0;
prithviganeshk 8:7e3f92f0dc47 123 flag_up = 1;
prithviganeshk 8:7e3f92f0dc47 124 break;
prithviganeshk 8:7e3f92f0dc47 125 }
prithviganeshk 8:7e3f92f0dc47 126 }
prithviganeshk 8:7e3f92f0dc47 127
prithviganeshk 8:7e3f92f0dc47 128 if(flag_up == 0)
prithviganeshk 8:7e3f92f0dc47 129 break;
prithviganeshk 8:7e3f92f0dc47 130
prithviganeshk 8:7e3f92f0dc47 131 } //end of while dir
prithviganeshk 8:7e3f92f0dc47 132
prithviganeshk 8:7e3f92f0dc47 133
prithviganeshk 8:7e3f92f0dc47 134
prithviganeshk 8:7e3f92f0dc47 135 dir = 0;
prithviganeshk 8:7e3f92f0dc47 136 flag_down = 1;
prithviganeshk 8:7e3f92f0dc47 137
prithviganeshk 8:7e3f92f0dc47 138 while(dir == 0){
prithviganeshk 8:7e3f92f0dc47 139
prithviganeshk 8:7e3f92f0dc47 140 closeGate(); //Close gate
prithviganeshk 8:7e3f92f0dc47 141 printf("Moving down\n\n\n");
prithviganeshk 8:7e3f92f0dc47 142 printf("Destination Floor: %d\n",val);
prithviganeshk 8:7e3f92f0dc47 143 printf("Current Floor: %d\n",currentState);
prithviganeshk 8:7e3f92f0dc47 144 dc1 = 1;
prithviganeshk 8:7e3f92f0dc47 145 dc2 = 0;
prithviganeshk 8:7e3f92f0dc47 146 pwm3.write(0.1);
prithviganeshk 8:7e3f92f0dc47 147 printf("Destination Floor Frequency value:%d\n",fvalues[val]);
prithviganeshk 8:7e3f92f0dc47 148
prithviganeshk 8:7e3f92f0dc47 149 while(1){
prithviganeshk 8:7e3f92f0dc47 150 if(((frequency > (fvalues[val] - 10)) && (frequency < (fvalues[val] + 10)))){
prithviganeshk 8:7e3f92f0dc47 151 currentState = val;
prithviganeshk 8:7e3f92f0dc47 152 openGate();
prithviganeshk 8:7e3f92f0dc47 153 break;
prithviganeshk 8:7e3f92f0dc47 154 }
prithviganeshk 8:7e3f92f0dc47 155 //else{
prithviganeshk 8:7e3f92f0dc47 156 // printf("current freq: %f\n",frequency);
prithviganeshk 8:7e3f92f0dc47 157 //}
prithviganeshk 8:7e3f92f0dc47 158 }
prithviganeshk 8:7e3f92f0dc47 159
prithviganeshk 8:7e3f92f0dc47 160 //Check for any key presses lesser than current floor
prithviganeshk 8:7e3f92f0dc47 161 for(i=4; i>=0 ;i++){
prithviganeshk 8:7e3f92f0dc47 162
prithviganeshk 8:7e3f92f0dc47 163 if(press[i]> 0 && press[i] < currentState ){
prithviganeshk 8:7e3f92f0dc47 164 val = press[i];
prithviganeshk 8:7e3f92f0dc47 165 press[i] = 0;
prithviganeshk 8:7e3f92f0dc47 166 flag_down = 1;
prithviganeshk 8:7e3f92f0dc47 167 break;
prithviganeshk 8:7e3f92f0dc47 168 }
prithviganeshk 8:7e3f92f0dc47 169 }
prithviganeshk 8:7e3f92f0dc47 170
prithviganeshk 8:7e3f92f0dc47 171 if(flag_down == 0)
prithviganeshk 8:7e3f92f0dc47 172 break;
prithviganeshk 8:7e3f92f0dc47 173 } //end of while dir
prithviganeshk 8:7e3f92f0dc47 174
prithviganeshk 8:7e3f92f0dc47 175 }//end of outer while 1
prithviganeshk 8:7e3f92f0dc47 176
prithviganeshk 8:7e3f92f0dc47 177 } //end of main
prithviganeshk 8:7e3f92f0dc47 178
prithviganeshk 8:7e3f92f0dc47 179
prithviganeshk 8:7e3f92f0dc47 180
prithviganeshk 8:7e3f92f0dc47 181
prithviganeshk 8:7e3f92f0dc47 182 //Function to read the key pressed and store in array
prithviganeshk 8:7e3f92f0dc47 183 void read_button(void const *args) {
prithviganeshk 8:7e3f92f0dc47 184
prithviganeshk 8:7e3f92f0dc47 185 int i,prev_val,val = 0;
prithviganeshk 8:7e3f92f0dc47 186 printf("Entered thread\n");
prithviganeshk 8:7e3f92f0dc47 187
prithviganeshk 8:7e3f92f0dc47 188 while (1) {
prithviganeshk 8:7e3f92f0dc47 189
prithviganeshk 8:7e3f92f0dc47 190 if (press[3] == 0){ // Enter only if array is not full
prithviganeshk 8:7e3f92f0dc47 191
prithviganeshk 8:7e3f92f0dc47 192 //float adc_val = button.read();
prithviganeshk 8:7e3f92f0dc47 193 //int val = getState(adc_val);
prithviganeshk 8:7e3f92f0dc47 194 char c = pc.getc();
prithviganeshk 8:7e3f92f0dc47 195 val = c - 48;
prithviganeshk 8:7e3f92f0dc47 196 printf("value entered : %d\n",val);
prithviganeshk 8:7e3f92f0dc47 197
prithviganeshk 8:7e3f92f0dc47 198 if(val!= prev_val){ // If new floor is pressed
prithviganeshk 8:7e3f92f0dc47 199
prithviganeshk 8:7e3f92f0dc47 200 prev_val = val; // Modify the previous value
prithviganeshk 8:7e3f92f0dc47 201
prithviganeshk 8:7e3f92f0dc47 202 if(dir == 1){ // If lift is goin up - check if read value is less than current destination
prithviganeshk 8:7e3f92f0dc47 203 if((val < destinationState)){ // If the value is less than destination floor make the current value as destination
prithviganeshk 8:7e3f92f0dc47 204 addtoarray(destintionState);
prithviganeshk 8:7e3f92f0dc47 205 destintionState = val;
prithviganeshk 8:7e3f92f0dc47 206 }
prithviganeshk 8:7e3f92f0dc47 207 else{ //if the value is greater than the destination, add it to the list
prithviganeshk 8:7e3f92f0dc47 208 addtoarray(val);
prithviganeshk 8:7e3f92f0dc47 209 }
jiteshg 4:acb62dee5ba9 210 }
prithviganeshk 8:7e3f92f0dc47 211
prithviganeshk 8:7e3f92f0dc47 212 else if(dir == 0){ // If the lift is going down - check if read value is greater than current destination
prithviganeshk 8:7e3f92f0dc47 213 if((val > destinationState)){ // If the value is less than destination floor make the current value as destination
prithviganeshk 8:7e3f92f0dc47 214 addtoarray(destintionState);
prithviganeshk 8:7e3f92f0dc47 215 destintionState = val;
prithviganeshk 8:7e3f92f0dc47 216 }
prithviganeshk 8:7e3f92f0dc47 217 else{ //if the value is lesser than the destination, add it to the list
prithviganeshk 8:7e3f92f0dc47 218 addtoarray(val);
prithviganeshk 8:7e3f92f0dc47 219 }
prithviganeshk 8:7e3f92f0dc47 220 }
jiteshg 4:acb62dee5ba9 221 }
prithviganeshk 8:7e3f92f0dc47 222 }
jiteshg 1:8c73948a0864 223 }
jiteshg 2:bf817b299c19 224 }
jiteshg 2:bf817b299c19 225
prithviganeshk 8:7e3f92f0dc47 226
prithviganeshk 8:7e3f92f0dc47 227
prithviganeshk 8:7e3f92f0dc47 228 //Funtion to remove first element in the array
prithviganeshk 8:7e3f92f0dc47 229 void removefirst(){
prithviganeshk 8:7e3f92f0dc47 230 press[0] = 0;
prithviganeshk 8:7e3f92f0dc47 231 press[1] = press[2];
prithviganeshk 8:7e3f92f0dc47 232 press[2] = press[3];
prithviganeshk 8:7e3f92f0dc47 233 press[3] = press[4];
prithviganeshk 8:7e3f92f0dc47 234 }
prithviganeshk 8:7e3f92f0dc47 235
prithviganeshk 8:7e3f92f0dc47 236 //Function to add to array at the back
prithviganeshk 8:7e3f92f0dc47 237 void addtoarray(int val){
prithviganeshk 8:7e3f92f0dc47 238
prithviganeshk 8:7e3f92f0dc47 239 int i;
prithviganeshk 8:7e3f92f0dc47 240
prithviganeshk 8:7e3f92f0dc47 241 if(press[3] == 0){ //insert only if array is not full
prithviganeshk 8:7e3f92f0dc47 242
prithviganeshk 8:7e3f92f0dc47 243 for(i=0;i<4;i++){
prithviganeshk 8:7e3f92f0dc47 244 if(press[i] != 0){
prithviganeshk 8:7e3f92f0dc47 245 press[i] = val;
prithviganeshk 8:7e3f92f0dc47 246 break;
prithviganeshk 8:7e3f92f0dc47 247 }
prithviganeshk 8:7e3f92f0dc47 248 }
prithviganeshk 8:7e3f92f0dc47 249 ]
prithviganeshk 8:7e3f92f0dc47 250 else
prithviganeshk 8:7e3f92f0dc47 251 printf("The array is full\n");
prithviganeshk 8:7e3f92f0dc47 252 }
prithviganeshk 8:7e3f92f0dc47 253
prithviganeshk 8:7e3f92f0dc47 254 // Function to open gates
jiteshg 2:bf817b299c19 255 void openGate(){
jiteshg 2:bf817b299c19 256 pwm1.write(0.0375); // 3.75% duty cycle - Open the gate
prithviganeshk 6:625384a34dd5 257 pwm2.write(0.1125);
prithviganeshk 6:625384a34dd5 258 wait(2);
jiteshg 2:bf817b299c19 259 pwm1.write(0); // Stop
prithviganeshk 6:625384a34dd5 260 pwm2.write(0);
jiteshg 0:fd080fb55bae 261 }
jiteshg 2:bf817b299c19 262
prithviganeshk 8:7e3f92f0dc47 263 // Function to close gates
jiteshg 2:bf817b299c19 264 void closeGate(){
jiteshg 2:bf817b299c19 265 pwm1.write(0.1125); // 11.25% duty cycle - Close the gate
prithviganeshk 6:625384a34dd5 266 pwm2.write(0.0375);
prithviganeshk 6:625384a34dd5 267 wait(2);
jiteshg 2:bf817b299c19 268 pwm1.write(0); // Stop
prithviganeshk 6:625384a34dd5 269 pwm2.write(0);
jiteshg 3:66a52943c525 270 }
jiteshg 3:66a52943c525 271
prithviganeshk 8:7e3f92f0dc47 272 // Funciton to get floor based on keypress voltage
jiteshg 3:66a52943c525 273 int getState(float adc_val){
prithviganeshk 8:7e3f92f0dc47 274 int state;
prithviganeshk 8:7e3f92f0dc47 275
jiteshg 3:66a52943c525 276 if(adc_val > 0.15 && adc_val < 0.25){
prithviganeshk 7:3bed3e005200 277 state = 2;
prithviganeshk 8:7e3f92f0dc47 278 printf("Button Press : %d\n",state);
jiteshg 3:66a52943c525 279 }
jiteshg 3:66a52943c525 280 else if(adc_val > 0.35 && adc_val < 0.45){
prithviganeshk 7:3bed3e005200 281 state = 1;
prithviganeshk 8:7e3f92f0dc47 282 printf("Button Press : %d\n",state);
jiteshg 3:66a52943c525 283 }
jiteshg 3:66a52943c525 284 else if(adc_val > 0.55 && adc_val < 0.65){
jiteshg 3:66a52943c525 285 state = 3;
prithviganeshk 8:7e3f92f0dc47 286 printf("Button Press : %d\n",state);
jiteshg 3:66a52943c525 287 }
jiteshg 3:66a52943c525 288 else if(adc_val > 0.75 && adc_val < 0.85){
jiteshg 3:66a52943c525 289 state = 4;
prithviganeshk 8:7e3f92f0dc47 290 printf("Button Press : %d\n",state);
jiteshg 3:66a52943c525 291 }
jiteshg 3:66a52943c525 292 else if(adc_val > 0.95 && adc_val < 1.05){
jiteshg 3:66a52943c525 293 state = 5;
prithviganeshk 8:7e3f92f0dc47 294 printf("Button Press : %d\n",state);
jiteshg 3:66a52943c525 295 }
prithviganeshk 8:7e3f92f0dc47 296
jiteshg 3:66a52943c525 297 return state;
jiteshg 4:acb62dee5ba9 298 }
jiteshg 4:acb62dee5ba9 299
prithviganeshk 8:7e3f92f0dc47 300
prithviganeshk 8:7e3f92f0dc47 301 // Function to check for rising edge
jiteshg 4:acb62dee5ba9 302 void rising(){
jiteshg 4:acb62dee5ba9 303 begin = timer.read_us();
jiteshg 4:acb62dee5ba9 304 flag = true;
jiteshg 4:acb62dee5ba9 305 }
prithviganeshk 8:7e3f92f0dc47 306
prithviganeshk 8:7e3f92f0dc47 307
prithviganeshk 8:7e3f92f0dc47 308 // Function to check for falling edge
jiteshg 4:acb62dee5ba9 309 void falling(){
jiteshg 4:acb62dee5ba9 310 if(flag == true){
jiteshg 4:acb62dee5ba9 311 end = timer.read_us();
jiteshg 4:acb62dee5ba9 312 frequency = 500000/(end-begin);
jiteshg 4:acb62dee5ba9 313 begin = 0;
jiteshg 4:acb62dee5ba9 314 end = 0;
jiteshg 4:acb62dee5ba9 315 flag = false;
jiteshg 4:acb62dee5ba9 316 }
prithviganeshk 6:625384a34dd5 317 }
prithviganeshk 8:7e3f92f0dc47 318
prithviganeshk 8:7e3f92f0dc47 319
prithviganeshk 8:7e3f92f0dc47 320
prithviganeshk 8:7e3f92f0dc47 321 //Extra Stuff
prithviganeshk 8:7e3f92f0dc47 322
prithviganeshk 8:7e3f92f0dc47 323
prithviganeshk 8:7e3f92f0dc47 324 /*
prithviganeshk 8:7e3f92f0dc47 325 //Sorting the array
prithviganeshk 8:7e3f92f0dc47 326 printf("sorting array\n");
prithviganeshk 8:7e3f92f0dc47 327 for (a = 0; a < 4; a++){
prithviganeshk 8:7e3f92f0dc47 328 for (b = a + 1; b < 4; b++){
prithviganeshk 8:7e3f92f0dc47 329 if (press[a] > 0 && press[b] > 0 && press[a] > press[b]){
prithviganeshk 8:7e3f92f0dc47 330 temp = press[a];
prithviganeshk 8:7e3f92f0dc47 331 press[a] = press[b];
prithviganeshk 8:7e3f92f0dc47 332 press[b] = temp;
prithviganeshk 8:7e3f92f0dc47 333 }
prithviganeshk 8:7e3f92f0dc47 334 }
prithviganeshk 8:7e3f92f0dc47 335 }
prithviganeshk 8:7e3f92f0dc47 336 */
prithviganeshk 8:7e3f92f0dc47 337
prithviganeshk 8:7e3f92f0dc47 338
prithviganeshk 8:7e3f92f0dc47 339 /*
prithviganeshk 8:7e3f92f0dc47 340 //if(press[3] > 0){
prithviganeshk 8:7e3f92f0dc47 341 //printf("Queue size exceeded\n");
prithviganeshk 8:7e3f92f0dc47 342 //}
prithviganeshk 8:7e3f92f0dc47 343 */