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Dependencies:   TextLCD mbed-rtos mbed

Fork of mbed_PM by Andrew Connors

main.cpp@1:e4a204ef28bc, 2015-12-01 (annotated)

Committer:
harry8989
Date:
Tue Dec 01 00:53:34 2015 +0000
Revision:
1:e4a204ef28bc
Parent:
0:093bb69f95f0 
Added preliminary display and alarm

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aconnors 0:093bb69f95f0 1 #include "mbed.h"
aconnors 0:093bb69f95f0 2 #include "rtos.h"
harry8989 1:e4a204ef28bc 3 #include "TextLCD.h"
harry8989 1:e4a204ef28bc 4
harry8989 1:e4a204ef28bc 5 Serial keyboard(USBTX, USBRX);
harry8989 1:e4a204ef28bc 6
harry8989 1:e4a204ef28bc 7 int PacemakerA, PacemakerV = 0;
harry8989 1:e4a204ef28bc 8 DigitalOut Apace(), Vpace();
harry8989 1:e4a204ef28bc 9 DigitalIn Aget(), Vget();
harry8989 1:e4a204ef28bc 10
harry8989 1:e4a204ef28bc 11 int PacemakerModeGuard = 0;
harry8989 1:e4a204ef28bc 12
harry8989 1:e4a204ef28bc 13 void PacemakerSense() {
harry8989 1:e4a204ef28bc 14
harry8989 1:e4a204ef28bc 15 }
harry8989 1:e4a204ef28bc 16
harry8989 1:e4a204ef28bc 17 void PacemakerKeyboard() {
harry8989 1:e4a204ef28bc 18 while(1) {
harry8989 1:e4a204ef28bc 19 char c = keyboard.getc();
harry8989 1:e4a204ef28bc 20 switch(c) {
harry8989 1:e4a204ef28bc 21 case 'n':
harry8989 1:e4a204ef28bc 22 case 'N':
harry8989 1:e4a204ef28bc 23 PacemakerModeGuard = 0;
harry8989 1:e4a204ef28bc 24 break;
harry8989 1:e4a204ef28bc 25 case 's':
harry8989 1:e4a204ef28bc 26 case 'S':
harry8989 1:e4a204ef28bc 27 PacemakerModeGuard = 1;
harry8989 1:e4a204ef28bc 28 break;
harry8989 1:e4a204ef28bc 29 case 'e':
harry8989 1:e4a204ef28bc 30 case 'E':
harry8989 1:e4a204ef28bc 31 PacemakerModeGuard = 2;
harry8989 1:e4a204ef28bc 32 break;
harry8989 1:e4a204ef28bc 33 case 'm':
harry8989 1:e4a204ef28bc 34 case 'M':
harry8989 1:e4a204ef28bc 35 PacemakerModeGuard = 3;
harry8989 1:e4a204ef28bc 36 break;
harry8989 1:e4a204ef28bc 37 case 'a':
harry8989 1:e4a204ef28bc 38 case 'A':
harry8989 1:e4a204ef28bc 39 if(PacemakerModeGuard == 3) {
harry8989 1:e4a204ef28bc 40 PacemakerA = 1;
harry8989 1:e4a204ef28bc 41 Thread::wait(10);
harry8989 1:e4a204ef28bc 42 PacemakerA = 0;
harry8989 1:e4a204ef28bc 43 }
harry8989 1:e4a204ef28bc 44 break;
harry8989 1:e4a204ef28bc 45 case 'v':
harry8989 1:e4a204ef28bc 46 case 'V':
harry8989 1:e4a204ef28bc 47 }
harry8989 1:e4a204ef28bc 48 }
harry8989 1:e4a204ef28bc 49 }
aconnors 0:093bb69f95f0 50
harry8989 1:e4a204ef28bc 51
harry8989 1:e4a204ef28bc 52 Timer obsInt;
harry8989 1:e4a204ef28bc 53 int observationInterval = 10; //observation interval in seconds
harry8989 1:e4a204ef28bc 54 float vget_count = 0.; // A counter that increments every time a ventricular pulse has been detected
harry8989 1:e4a204ef28bc 55 Semaphore heartBeat(1);
harry8989 1:e4a204ef28bc 56 float DisplayMe;
harry8989 1:e4a204ef28bc 57 void PacemakerDisplay() {
harry8989 1:e4a204ef28bc 58 if (obsInt.read_ms()/1000 >= observationInterval) { //reporting interval exceeded
harry8989 1:e4a204ef28bc 59 obsInt.stop();
harry8989 1:e4a204ef28bc 60 heartBeat.wait(); //DONT LET ANY OTHER CODE RUN RIGHT NOW
harry8989 1:e4a204ef28bc 61 DisplayMe = vget_count*(60/observationInterval);
harry8989 1:e4a204ef28bc 62 lcd.printf("HR = %s\n", DisplayMe); // multiplies the number of counted Vgets by the number of observation periods in one minute,
harry8989 1:e4a204ef28bc 63 PacemakerAlarm(DisplayMe);
harry8989 1:e4a204ef28bc 64 vget_count = 0;
harry8989 1:e4a204ef28bc 65 obsInt.reset();
harry8989 1:e4a204ef28bc 66 heartBeat.release(); //OTHER CODE CAN RUN AGAIN
harry8989 1:e4a204ef28bc 67 }
harry8989 1:e4a204ef28bc 68 }
harry8989 1:e4a204ef28bc 69 void PacemakerAlarm(int HeartRate) { //Takes the heart rate and returns an appropriate message; runs whenever display is updated
harry8989 1:e4a204ef28bc 70 if HeartRate > LRI {
harry8989 1:e4a204ef28bc 71 lcd.printf("HR TOO FAST\n");
harry8989 1:e4a204ef28bc 72 } else if HeartRate < URI{
harry8989 1:e4a204ef28bc 73 lcd.printf("HR TOO SLOW\n");
harry8989 1:e4a204ef28bc 74 } else{
harry8989 1:e4a204ef28bc 75 lcd.printf(" \n");
harry8989 1:e4a204ef28bc 76 }
harry8989 1:e4a204ef28bc 77 }
harry8989 1:e4a204ef28bc 78
harry8989 1:e4a204ef28bc 79 void PacemakerLED() {
harry8989 1:e4a204ef28bc 80
harry8989 1:e4a204ef28bc 81 }
harry8989 1:e4a204ef28bc 82
harry8989 1:e4a204ef28bc 83
harry8989 1:e4a204ef28bc 84
harry8989 1:e4a204ef28bc 85 int main() {
harry8989 1:e4a204ef28bc 86
harry8989 1:e4a204ef28bc 87 }
harry8989 1:e4a204ef28bc 88