Jatin Sharma
Final
Dependencies: TextLCD UPennEMBS keypad mbed-rtos mbed
Revision 0:de6d31e19fa5, committed 2014-12-04
- Comitter:
- jatinsha
- Date:
- Thu Dec 04 10:46:07 2014 +0000
- Commit message:
- Final
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD.lib Thu Dec 04 10:46:07 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/simon/code/TextLCD/#308d188a2d3a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/UPennEMBS.lib Thu Dec 04 10:46:07 2014 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/teams/Samarth-Shah/code/UPennEMBS/#763945466b4e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/keypad.lib Thu Dec 04 10:46:07 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/yoonghm/code/keypad/#da060f8c03e8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Dec 04 10:46:07 2014 +0000
@@ -0,0 +1,294 @@
+/*
+ CIS541: Embedded Systems for Life Critical Applications
+ Project: Pacemaker modelling
+*/
+
+/* Header files */
+#include "mbed.h"
+#include "rtos.h"
+#include "CardiacPacemaker.h"
+#include <ctype.h>
+#include <string.h>
+#include <stdlib.h>
+
+/* Global variables */
+
+// Mode-Threads pointers
+Thread *threadListening;
+Thread *threadLogicTiming;
+Thread *threadPacing;
+Thread *threadKeyboard;
+
+Timer timerPrimary;
+Timer timerSecondary;
+// keypad state
+// Define your own keypad values
+
+
+void ThreadListeningPace(void const *args)
+{
+ while(1)
+ {
+ SenseMutex.lock();
+ if(Asense==1)
+ {
+ ReceivedASense();
+ flagA = 1;
+ threadLogicTiming->signal_set(0x1);
+ }
+ if(Vsense==1)
+ {
+ ReceivedVSense();
+ flagV = 1;
+ threadLogicTiming->signal_set(0x1);
+ }
+ SenseMutex.unlock();
+ }
+}
+
+void ThreadLogicTiming(void const *args)
+{
+ while(1)
+ {
+ //flagV==0 && timerPrimary.read_ms() >= LRI
+ while(timerPrimary.read_ms() < PVARP)
+ {
+ // Post Ventricular Atrium Refractory Period
+ // Ignore Asense or Vsense here
+ //pc.puts("|==----(PVARP)|-----------------------------(LRI-AVI)|\n");
+ //pc.puts("PVAB period\n");
+
+ if(flagA == 1)
+ {
+ pc.puts("Early: Reject\n");
+ flagA = 0;
+ }
+
+ }
+ while(timerPrimary.read_ms() >= PVARP && timerPrimary.read_ms() < (LRI-AVI))
+ {
+ // Normal Asense period
+ //pc.puts("|======(PVARP)|=====----------(tAs+AVI)|----(LRI-AVI)|\n");
+ //pc.puts("Normal Asense period\n");
+ if(flagA == 1)
+ {
+ // Acknowledge reception of Asense
+ pc.puts("Normal:Asense\n");
+ SendAPace();
+ flag1 = 1;
+ flagA = 0;
+ //pc.puts("|======(PVARP)|=====(As)=-------(tAs+AVI)|----(LRI-AVI)\n");
+ break;
+ }
+ }
+ if(timerPrimary.read_ms() > (LRI-AVI) )
+ {
+ // Asense period exhausted pacemaker needs to Apace the heart
+ if(flag1==0)
+ {
+ SendAPace(); //Forced Atrium Pulse reffering to the below if loop
+ }
+ else
+ {
+ flag1 = 0;
+ }
+ if(flagA == 1)
+ {
+ pc.puts("Late: Rejected\n");
+ flagA = 0; //just to cleanup for next cycle
+ }
+ //pc.puts("|======(PVARP)|================================(Ap)(LRI-AVI)|\n");
+ // look for Vsense
+ while(timerPrimary.read_ms() < (LRI-AVI)+PVAB)
+ {
+ // This is Post Atrium Ventricular Blanking period
+ // No Vsense should be here
+ // Ignore any V here
+ }
+ while(timerPrimary.read_ms() >= (LRI-AVI)+PVAB && timerPrimary.read_ms() < (LRI-AVI)+VSP)
+ {
+ // This is Ventricular _______ period
+ // Vsense here would be prematuare and needs to be sent at the end of the period as mature
+ // Receive and matuare any V here
+ if(flagV == 1)
+ {
+ pc.puts("Unmatured:Converted into matuared\n");
+ //ReceivedVSense(); //pre-mature
+ while(timerPrimary.read_ms() < (LRI-AVI)+VSP); //maturing it
+ flagV = 0;
+ SendVPace(); //matuared
+ //LEDTest = 0;
+ //pc.puts("|======(PVARP)|================================(Ap)(LRI-AVI)|===(Vsp)===(Vpm)(tVSP)\n");
+ }
+ }
+ while(timerPrimary.read_ms() >= (LRI-AVI)+VSP && timerPrimary.read_ms() < LRI)
+ {
+ // This is normal period for Vsense
+ // Vsense here would be matuare
+ if(flagV == 1)
+ {
+ pc.puts("Matuared:\n");
+ ReceivedVSense(); //mature
+ SendVPace();
+ flagV = 0;
+ flag2=1;
+ //pc.puts("|======(PVARP)|================================(Ap)(LRI-AVI)|============(Vsm)(tVSP)\n");
+ break;
+ }
+ }
+ if(timerPrimary.read_ms() > LRI)
+ {
+ // Waiting time for Vsense exhausted
+ // Pacemaker needs to generate Vpace now
+ // send Vpace and reset timers
+ if(flag2==0)
+ {
+ SendVPace(); //Forced ventricle Pulse reffering to the below if loop
+ }
+ else
+ {
+ flag2 = 0;
+ }
+ //pc.puts("|======(PVARP)|================================(Ap)(LRI-AVI)|=======================(Vp)(LRI)\n");
+ timerPrimary.reset(); // reset for next beat interval
+
+ }
+ else if(timerPrimary.read_ms() >= (LRI-AVI)+VSP && timerPrimary.read_ms() < LRI)
+ {
+ // matuare Vsense was received
+ // inhibit sending any Vpace
+ // Reset timers
+
+ timerPrimary.reset(); // reset for next beat interval
+ }
+
+ }
+ else if(timerPrimary.read_ms() < (LRI-AVI) )
+ {
+ // Asense observed within the normal period pacemaker does nothing
+
+ // now look for VSense witin next AVI
+ timerSecondary.start();
+ while(timerSecondary.read_ms() < AVI)
+ {
+ if(flagV == 1)
+ {
+ pc.puts("Natural Asense, Natural Vsense:\n");
+ ReceivedVSense();
+ SendVPace();
+ flag2=1;
+ flagV = 0;
+ //pc.puts("|======(PVARP)|=====(As)==(Vs)|---(tAs+AVI)|----(LRI-AVI)\n");
+ break;
+ }
+ }
+ if(timerSecondary.read_ms() >= AVI)
+ {
+ while(timerPrimary.read_ms() < URI); // wait till URI to send Vpace
+ if(flag2==0)
+ {
+ SendVPace(); //Forced Atrium Pulse reffering to the below if loop
+ }
+ else
+ {
+ flag2 = 0;
+ }
+ //pc.puts("|======(PVARP)|=====(As)==================(Vp)(URI)|----(LRI-AVI)\n");
+ }
+ else if(timerSecondary.read_ms() < AVI) //still less than AVI
+ {
+ // This means Vsense is already observed
+ // both A and V have been managed successfully
+ // Reset timers before reinitiating the process
+ timerPrimary.reset();
+ timerSecondary.stop();
+ timerSecondary.reset();
+ }
+
+ }
+
+ }//while(1) ends here
+}
+
+
+
+void SetSleepMode()
+{
+ VRP = 200;
+ AVI = 200;
+ PVARP = 500;
+ VSP = 100;
+ PVAB = 100;
+ LRI = 2000;
+ URI = 1000;
+ pc.puts("\nSleep Mode.");
+}
+
+void SetExerciseMode()
+{
+ VRP = 200;
+ AVI = 200;
+ PVARP = 500;
+ VSP = 100;
+ PVAB = 100;
+ LRI = 600;
+ URI = 343;
+ pc.puts("\nExercise Mode.");
+}
+
+void SetNormalMode()
+{
+ VRP = 200;
+ AVI = 200;
+ PVARP = 500;
+ VSP = 100;
+ PVAB = 100;
+ LRI = 1500;
+ URI = 600;
+ pc.puts("\nNormal Mode.");
+}
+
+void SetObservationMode()
+{
+ pc.puts("\nEnter new observation Time (in sec): ");
+ pc.puts("\nPress 1 for 10 sec ");
+ pc.puts("\nPress 2 for 20 sec ");
+ pc.puts("\nPress 3 for 30 sec ");
+
+}
+
+void ThreadKeyboard(void const *args)
+{
+ char key;
+ while(1)
+ {
+ if(pc.readable())
+ {
+ key = pc.getc();
+ pc.putc(key);
+
+ switch(key){
+ case 's': SetSleepMode(); break;
+ case 'x': SetExerciseMode(); break;
+ case 'n': SetNormalMode(); break;
+ case 'o': SetObservationMode(); break;
+ case '1': obsPeriod=10000; pc.puts("\nObsPeriod set to 10sec"); break;
+ case '2': obsPeriod=20000; pc.puts("\nObsPeriod set to 20sec"); break;
+ case '3': obsPeriod=30000; pc.puts("\nObsPeriod set to 30sec"); break;
+
+ }
+ }
+ }
+}
+
+
+int main(void)
+{
+ setbuf(stdout,NULL);
+ threadListening = new Thread(ThreadListeningPace);
+ threadLogicTiming = new Thread(ThreadLogicTiming);
+ threadKeyboard = new Thread(ThreadKeyboard);
+
+ timerPrimary.start();
+}
+
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Thu Dec 04 10:46:07 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed-rtos/#631c0f1008c3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Dec 04 10:46:07 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/4fc01daae5a5 \ No newline at end of file