Jatin Sharma / Mbed 2 deprecated Pacemaker

Final

Dependencies:   TextLCD UPennEMBS keypad mbed-rtos mbed

main.cpp@0:de6d31e19fa5, 2014-12-04 (annotated)

Committer:
jatinsha
Date:
Thu Dec 04 10:46:07 2014 +0000
Revision:
0:de6d31e19fa5
Final

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jatinsha 0:de6d31e19fa5 1 /*
jatinsha 0:de6d31e19fa5 2 CIS541: Embedded Systems for Life Critical Applications
jatinsha 0:de6d31e19fa5 3 Project: Pacemaker modelling
jatinsha 0:de6d31e19fa5 4 */
jatinsha 0:de6d31e19fa5 5
jatinsha 0:de6d31e19fa5 6 /* Header files */
jatinsha 0:de6d31e19fa5 7 #include "mbed.h"
jatinsha 0:de6d31e19fa5 8 #include "rtos.h"
jatinsha 0:de6d31e19fa5 9 #include "CardiacPacemaker.h"
jatinsha 0:de6d31e19fa5 10 #include <ctype.h>
jatinsha 0:de6d31e19fa5 11 #include <string.h>
jatinsha 0:de6d31e19fa5 12 #include <stdlib.h>
jatinsha 0:de6d31e19fa5 13
jatinsha 0:de6d31e19fa5 14 /* Global variables */
jatinsha 0:de6d31e19fa5 15
jatinsha 0:de6d31e19fa5 16 // Mode-Threads pointers
jatinsha 0:de6d31e19fa5 17 Thread *threadListening;
jatinsha 0:de6d31e19fa5 18 Thread *threadLogicTiming;
jatinsha 0:de6d31e19fa5 19 Thread *threadPacing;
jatinsha 0:de6d31e19fa5 20 Thread *threadKeyboard;
jatinsha 0:de6d31e19fa5 21
jatinsha 0:de6d31e19fa5 22 Timer timerPrimary;
jatinsha 0:de6d31e19fa5 23 Timer timerSecondary;
jatinsha 0:de6d31e19fa5 24 // keypad state
jatinsha 0:de6d31e19fa5 25 // Define your own keypad values
jatinsha 0:de6d31e19fa5 26
jatinsha 0:de6d31e19fa5 27
jatinsha 0:de6d31e19fa5 28 void ThreadListeningPace(void const *args)
jatinsha 0:de6d31e19fa5 29 {
jatinsha 0:de6d31e19fa5 30 while(1)
jatinsha 0:de6d31e19fa5 31 {
jatinsha 0:de6d31e19fa5 32 SenseMutex.lock();
jatinsha 0:de6d31e19fa5 33 if(Asense==1)
jatinsha 0:de6d31e19fa5 34 {
jatinsha 0:de6d31e19fa5 35 ReceivedASense();
jatinsha 0:de6d31e19fa5 36 flagA = 1;
jatinsha 0:de6d31e19fa5 37 threadLogicTiming->signal_set(0x1);
jatinsha 0:de6d31e19fa5 38 }
jatinsha 0:de6d31e19fa5 39 if(Vsense==1)
jatinsha 0:de6d31e19fa5 40 {
jatinsha 0:de6d31e19fa5 41 ReceivedVSense();
jatinsha 0:de6d31e19fa5 42 flagV = 1;
jatinsha 0:de6d31e19fa5 43 threadLogicTiming->signal_set(0x1);
jatinsha 0:de6d31e19fa5 44 }
jatinsha 0:de6d31e19fa5 45 SenseMutex.unlock();
jatinsha 0:de6d31e19fa5 46 }
jatinsha 0:de6d31e19fa5 47 }
jatinsha 0:de6d31e19fa5 48
jatinsha 0:de6d31e19fa5 49 void ThreadLogicTiming(void const *args)
jatinsha 0:de6d31e19fa5 50 {
jatinsha 0:de6d31e19fa5 51 while(1)
jatinsha 0:de6d31e19fa5 52 {
jatinsha 0:de6d31e19fa5 53 //flagV==0 && timerPrimary.read_ms() >= LRI
jatinsha 0:de6d31e19fa5 54 while(timerPrimary.read_ms() < PVARP)
jatinsha 0:de6d31e19fa5 55 {
jatinsha 0:de6d31e19fa5 56 // Post Ventricular Atrium Refractory Period
jatinsha 0:de6d31e19fa5 57 // Ignore Asense or Vsense here
jatinsha 0:de6d31e19fa5 58 //pc.puts("|==----(PVARP)|-----------------------------(LRI-AVI)|\n");
jatinsha 0:de6d31e19fa5 59 //pc.puts("PVAB period\n");
jatinsha 0:de6d31e19fa5 60
jatinsha 0:de6d31e19fa5 61 if(flagA == 1)
jatinsha 0:de6d31e19fa5 62 {
jatinsha 0:de6d31e19fa5 63 pc.puts("Early: Reject\n");
jatinsha 0:de6d31e19fa5 64 flagA = 0;
jatinsha 0:de6d31e19fa5 65 }
jatinsha 0:de6d31e19fa5 66
jatinsha 0:de6d31e19fa5 67 }
jatinsha 0:de6d31e19fa5 68 while(timerPrimary.read_ms() >= PVARP && timerPrimary.read_ms() < (LRI-AVI))
jatinsha 0:de6d31e19fa5 69 {
jatinsha 0:de6d31e19fa5 70 // Normal Asense period
jatinsha 0:de6d31e19fa5 71 //pc.puts("|======(PVARP)|=====----------(tAs+AVI)|----(LRI-AVI)|\n");
jatinsha 0:de6d31e19fa5 72 //pc.puts("Normal Asense period\n");
jatinsha 0:de6d31e19fa5 73 if(flagA == 1)
jatinsha 0:de6d31e19fa5 74 {
jatinsha 0:de6d31e19fa5 75 // Acknowledge reception of Asense
jatinsha 0:de6d31e19fa5 76 pc.puts("Normal:Asense\n");
jatinsha 0:de6d31e19fa5 77 SendAPace();
jatinsha 0:de6d31e19fa5 78 flag1 = 1;
jatinsha 0:de6d31e19fa5 79 flagA = 0;
jatinsha 0:de6d31e19fa5 80 //pc.puts("|======(PVARP)|=====(As)=-------(tAs+AVI)|----(LRI-AVI)\n");
jatinsha 0:de6d31e19fa5 81 break;
jatinsha 0:de6d31e19fa5 82 }
jatinsha 0:de6d31e19fa5 83 }
jatinsha 0:de6d31e19fa5 84 if(timerPrimary.read_ms() > (LRI-AVI) )
jatinsha 0:de6d31e19fa5 85 {
jatinsha 0:de6d31e19fa5 86 // Asense period exhausted pacemaker needs to Apace the heart
jatinsha 0:de6d31e19fa5 87 if(flag1==0)
jatinsha 0:de6d31e19fa5 88 {
jatinsha 0:de6d31e19fa5 89 SendAPace(); //Forced Atrium Pulse reffering to the below if loop
jatinsha 0:de6d31e19fa5 90 }
jatinsha 0:de6d31e19fa5 91 else
jatinsha 0:de6d31e19fa5 92 {
jatinsha 0:de6d31e19fa5 93 flag1 = 0;
jatinsha 0:de6d31e19fa5 94 }
jatinsha 0:de6d31e19fa5 95 if(flagA == 1)
jatinsha 0:de6d31e19fa5 96 {
jatinsha 0:de6d31e19fa5 97 pc.puts("Late: Rejected\n");
jatinsha 0:de6d31e19fa5 98 flagA = 0; //just to cleanup for next cycle
jatinsha 0:de6d31e19fa5 99 }
jatinsha 0:de6d31e19fa5 100 //pc.puts("|======(PVARP)|================================(Ap)(LRI-AVI)|\n");
jatinsha 0:de6d31e19fa5 101 // look for Vsense
jatinsha 0:de6d31e19fa5 102 while(timerPrimary.read_ms() < (LRI-AVI)+PVAB)
jatinsha 0:de6d31e19fa5 103 {
jatinsha 0:de6d31e19fa5 104 // This is Post Atrium Ventricular Blanking period
jatinsha 0:de6d31e19fa5 105 // No Vsense should be here
jatinsha 0:de6d31e19fa5 106 // Ignore any V here
jatinsha 0:de6d31e19fa5 107 }
jatinsha 0:de6d31e19fa5 108 while(timerPrimary.read_ms() >= (LRI-AVI)+PVAB && timerPrimary.read_ms() < (LRI-AVI)+VSP)
jatinsha 0:de6d31e19fa5 109 {
jatinsha 0:de6d31e19fa5 110 // This is Ventricular _______ period
jatinsha 0:de6d31e19fa5 111 // Vsense here would be prematuare and needs to be sent at the end of the period as mature
jatinsha 0:de6d31e19fa5 112 // Receive and matuare any V here
jatinsha 0:de6d31e19fa5 113 if(flagV == 1)
jatinsha 0:de6d31e19fa5 114 {
jatinsha 0:de6d31e19fa5 115 pc.puts("Unmatured:Converted into matuared\n");
jatinsha 0:de6d31e19fa5 116 //ReceivedVSense(); //pre-mature
jatinsha 0:de6d31e19fa5 117 while(timerPrimary.read_ms() < (LRI-AVI)+VSP); //maturing it
jatinsha 0:de6d31e19fa5 118 flagV = 0;
jatinsha 0:de6d31e19fa5 119 SendVPace(); //matuared
jatinsha 0:de6d31e19fa5 120 //LEDTest = 0;
jatinsha 0:de6d31e19fa5 121 //pc.puts("|======(PVARP)|================================(Ap)(LRI-AVI)|===(Vsp)===(Vpm)(tVSP)\n");
jatinsha 0:de6d31e19fa5 122 }
jatinsha 0:de6d31e19fa5 123 }
jatinsha 0:de6d31e19fa5 124 while(timerPrimary.read_ms() >= (LRI-AVI)+VSP && timerPrimary.read_ms() < LRI)
jatinsha 0:de6d31e19fa5 125 {
jatinsha 0:de6d31e19fa5 126 // This is normal period for Vsense
jatinsha 0:de6d31e19fa5 127 // Vsense here would be matuare
jatinsha 0:de6d31e19fa5 128 if(flagV == 1)
jatinsha 0:de6d31e19fa5 129 {
jatinsha 0:de6d31e19fa5 130 pc.puts("Matuared:\n");
jatinsha 0:de6d31e19fa5 131 ReceivedVSense(); //mature
jatinsha 0:de6d31e19fa5 132 SendVPace();
jatinsha 0:de6d31e19fa5 133 flagV = 0;
jatinsha 0:de6d31e19fa5 134 flag2=1;
jatinsha 0:de6d31e19fa5 135 //pc.puts("|======(PVARP)|================================(Ap)(LRI-AVI)|============(Vsm)(tVSP)\n");
jatinsha 0:de6d31e19fa5 136 break;
jatinsha 0:de6d31e19fa5 137 }
jatinsha 0:de6d31e19fa5 138 }
jatinsha 0:de6d31e19fa5 139 if(timerPrimary.read_ms() > LRI)
jatinsha 0:de6d31e19fa5 140 {
jatinsha 0:de6d31e19fa5 141 // Waiting time for Vsense exhausted
jatinsha 0:de6d31e19fa5 142 // Pacemaker needs to generate Vpace now
jatinsha 0:de6d31e19fa5 143 // send Vpace and reset timers
jatinsha 0:de6d31e19fa5 144 if(flag2==0)
jatinsha 0:de6d31e19fa5 145 {
jatinsha 0:de6d31e19fa5 146 SendVPace(); //Forced ventricle Pulse reffering to the below if loop
jatinsha 0:de6d31e19fa5 147 }
jatinsha 0:de6d31e19fa5 148 else
jatinsha 0:de6d31e19fa5 149 {
jatinsha 0:de6d31e19fa5 150 flag2 = 0;
jatinsha 0:de6d31e19fa5 151 }
jatinsha 0:de6d31e19fa5 152 //pc.puts("|======(PVARP)|================================(Ap)(LRI-AVI)|=======================(Vp)(LRI)\n");
jatinsha 0:de6d31e19fa5 153 timerPrimary.reset(); // reset for next beat interval
jatinsha 0:de6d31e19fa5 154
jatinsha 0:de6d31e19fa5 155 }
jatinsha 0:de6d31e19fa5 156 else if(timerPrimary.read_ms() >= (LRI-AVI)+VSP && timerPrimary.read_ms() < LRI)
jatinsha 0:de6d31e19fa5 157 {
jatinsha 0:de6d31e19fa5 158 // matuare Vsense was received
jatinsha 0:de6d31e19fa5 159 // inhibit sending any Vpace
jatinsha 0:de6d31e19fa5 160 // Reset timers
jatinsha 0:de6d31e19fa5 161
jatinsha 0:de6d31e19fa5 162 timerPrimary.reset(); // reset for next beat interval
jatinsha 0:de6d31e19fa5 163 }
jatinsha 0:de6d31e19fa5 164
jatinsha 0:de6d31e19fa5 165 }
jatinsha 0:de6d31e19fa5 166 else if(timerPrimary.read_ms() < (LRI-AVI) )
jatinsha 0:de6d31e19fa5 167 {
jatinsha 0:de6d31e19fa5 168 // Asense observed within the normal period pacemaker does nothing
jatinsha 0:de6d31e19fa5 169
jatinsha 0:de6d31e19fa5 170 // now look for VSense witin next AVI
jatinsha 0:de6d31e19fa5 171 timerSecondary.start();
jatinsha 0:de6d31e19fa5 172 while(timerSecondary.read_ms() < AVI)
jatinsha 0:de6d31e19fa5 173 {
jatinsha 0:de6d31e19fa5 174 if(flagV == 1)
jatinsha 0:de6d31e19fa5 175 {
jatinsha 0:de6d31e19fa5 176 pc.puts("Natural Asense, Natural Vsense:\n");
jatinsha 0:de6d31e19fa5 177 ReceivedVSense();
jatinsha 0:de6d31e19fa5 178 SendVPace();
jatinsha 0:de6d31e19fa5 179 flag2=1;
jatinsha 0:de6d31e19fa5 180 flagV = 0;
jatinsha 0:de6d31e19fa5 181 //pc.puts("|======(PVARP)|=====(As)==(Vs)|---(tAs+AVI)|----(LRI-AVI)\n");
jatinsha 0:de6d31e19fa5 182 break;
jatinsha 0:de6d31e19fa5 183 }
jatinsha 0:de6d31e19fa5 184 }
jatinsha 0:de6d31e19fa5 185 if(timerSecondary.read_ms() >= AVI)
jatinsha 0:de6d31e19fa5 186 {
jatinsha 0:de6d31e19fa5 187 while(timerPrimary.read_ms() < URI); // wait till URI to send Vpace
jatinsha 0:de6d31e19fa5 188 if(flag2==0)
jatinsha 0:de6d31e19fa5 189 {
jatinsha 0:de6d31e19fa5 190 SendVPace(); //Forced Atrium Pulse reffering to the below if loop
jatinsha 0:de6d31e19fa5 191 }
jatinsha 0:de6d31e19fa5 192 else
jatinsha 0:de6d31e19fa5 193 {
jatinsha 0:de6d31e19fa5 194 flag2 = 0;
jatinsha 0:de6d31e19fa5 195 }
jatinsha 0:de6d31e19fa5 196 //pc.puts("|======(PVARP)|=====(As)==================(Vp)(URI)|----(LRI-AVI)\n");
jatinsha 0:de6d31e19fa5 197 }
jatinsha 0:de6d31e19fa5 198 else if(timerSecondary.read_ms() < AVI) //still less than AVI
jatinsha 0:de6d31e19fa5 199 {
jatinsha 0:de6d31e19fa5 200 // This means Vsense is already observed
jatinsha 0:de6d31e19fa5 201 // both A and V have been managed successfully
jatinsha 0:de6d31e19fa5 202 // Reset timers before reinitiating the process
jatinsha 0:de6d31e19fa5 203 timerPrimary.reset();
jatinsha 0:de6d31e19fa5 204 timerSecondary.stop();
jatinsha 0:de6d31e19fa5 205 timerSecondary.reset();
jatinsha 0:de6d31e19fa5 206 }
jatinsha 0:de6d31e19fa5 207
jatinsha 0:de6d31e19fa5 208 }
jatinsha 0:de6d31e19fa5 209
jatinsha 0:de6d31e19fa5 210 }//while(1) ends here
jatinsha 0:de6d31e19fa5 211 }
jatinsha 0:de6d31e19fa5 212
jatinsha 0:de6d31e19fa5 213
jatinsha 0:de6d31e19fa5 214
jatinsha 0:de6d31e19fa5 215 void SetSleepMode()
jatinsha 0:de6d31e19fa5 216 {
jatinsha 0:de6d31e19fa5 217 VRP = 200;
jatinsha 0:de6d31e19fa5 218 AVI = 200;
jatinsha 0:de6d31e19fa5 219 PVARP = 500;
jatinsha 0:de6d31e19fa5 220 VSP = 100;
jatinsha 0:de6d31e19fa5 221 PVAB = 100;
jatinsha 0:de6d31e19fa5 222 LRI = 2000;
jatinsha 0:de6d31e19fa5 223 URI = 1000;
jatinsha 0:de6d31e19fa5 224 pc.puts("\nSleep Mode.");
jatinsha 0:de6d31e19fa5 225 }
jatinsha 0:de6d31e19fa5 226
jatinsha 0:de6d31e19fa5 227 void SetExerciseMode()
jatinsha 0:de6d31e19fa5 228 {
jatinsha 0:de6d31e19fa5 229 VRP = 200;
jatinsha 0:de6d31e19fa5 230 AVI = 200;
jatinsha 0:de6d31e19fa5 231 PVARP = 500;
jatinsha 0:de6d31e19fa5 232 VSP = 100;
jatinsha 0:de6d31e19fa5 233 PVAB = 100;
jatinsha 0:de6d31e19fa5 234 LRI = 600;
jatinsha 0:de6d31e19fa5 235 URI = 343;
jatinsha 0:de6d31e19fa5 236 pc.puts("\nExercise Mode.");
jatinsha 0:de6d31e19fa5 237 }
jatinsha 0:de6d31e19fa5 238
jatinsha 0:de6d31e19fa5 239 void SetNormalMode()
jatinsha 0:de6d31e19fa5 240 {
jatinsha 0:de6d31e19fa5 241 VRP = 200;
jatinsha 0:de6d31e19fa5 242 AVI = 200;
jatinsha 0:de6d31e19fa5 243 PVARP = 500;
jatinsha 0:de6d31e19fa5 244 VSP = 100;
jatinsha 0:de6d31e19fa5 245 PVAB = 100;
jatinsha 0:de6d31e19fa5 246 LRI = 1500;
jatinsha 0:de6d31e19fa5 247 URI = 600;
jatinsha 0:de6d31e19fa5 248 pc.puts("\nNormal Mode.");
jatinsha 0:de6d31e19fa5 249 }
jatinsha 0:de6d31e19fa5 250
jatinsha 0:de6d31e19fa5 251 void SetObservationMode()
jatinsha 0:de6d31e19fa5 252 {
jatinsha 0:de6d31e19fa5 253 pc.puts("\nEnter new observation Time (in sec): ");
jatinsha 0:de6d31e19fa5 254 pc.puts("\nPress 1 for 10 sec ");
jatinsha 0:de6d31e19fa5 255 pc.puts("\nPress 2 for 20 sec ");
jatinsha 0:de6d31e19fa5 256 pc.puts("\nPress 3 for 30 sec ");
jatinsha 0:de6d31e19fa5 257
jatinsha 0:de6d31e19fa5 258 }
jatinsha 0:de6d31e19fa5 259
jatinsha 0:de6d31e19fa5 260 void ThreadKeyboard(void const *args)
jatinsha 0:de6d31e19fa5 261 {
jatinsha 0:de6d31e19fa5 262 char key;
jatinsha 0:de6d31e19fa5 263 while(1)
jatinsha 0:de6d31e19fa5 264 {
jatinsha 0:de6d31e19fa5 265 if(pc.readable())
jatinsha 0:de6d31e19fa5 266 {
jatinsha 0:de6d31e19fa5 267 key = pc.getc();
jatinsha 0:de6d31e19fa5 268 pc.putc(key);
jatinsha 0:de6d31e19fa5 269
jatinsha 0:de6d31e19fa5 270 switch(key){
jatinsha 0:de6d31e19fa5 271 case 's': SetSleepMode(); break;
jatinsha 0:de6d31e19fa5 272 case 'x': SetExerciseMode(); break;
jatinsha 0:de6d31e19fa5 273 case 'n': SetNormalMode(); break;
jatinsha 0:de6d31e19fa5 274 case 'o': SetObservationMode(); break;
jatinsha 0:de6d31e19fa5 275 case '1': obsPeriod=10000; pc.puts("\nObsPeriod set to 10sec"); break;
jatinsha 0:de6d31e19fa5 276 case '2': obsPeriod=20000; pc.puts("\nObsPeriod set to 20sec"); break;
jatinsha 0:de6d31e19fa5 277 case '3': obsPeriod=30000; pc.puts("\nObsPeriod set to 30sec"); break;
jatinsha 0:de6d31e19fa5 278
jatinsha 0:de6d31e19fa5 279 }
jatinsha 0:de6d31e19fa5 280 }
jatinsha 0:de6d31e19fa5 281 }
jatinsha 0:de6d31e19fa5 282 }
jatinsha 0:de6d31e19fa5 283
jatinsha 0:de6d31e19fa5 284
jatinsha 0:de6d31e19fa5 285 int main(void)
jatinsha 0:de6d31e19fa5 286 {
jatinsha 0:de6d31e19fa5 287 setbuf(stdout,NULL);
jatinsha 0:de6d31e19fa5 288 threadListening = new Thread(ThreadListeningPace);
jatinsha 0:de6d31e19fa5 289 threadLogicTiming = new Thread(ThreadLogicTiming);
jatinsha 0:de6d31e19fa5 290 threadKeyboard = new Thread(ThreadKeyboard);
jatinsha 0:de6d31e19fa5 291
jatinsha 0:de6d31e19fa5 292 timerPrimary.start();
jatinsha 0:de6d31e19fa5 293 }
jatinsha 0:de6d31e19fa5 294