File content as of revision 1:e4a204ef28bc:

#include "mbed.h"
#include "rtos.h"
#include "TextLCD.h"
 
Serial keyboard(USBTX, USBRX);
 
int PacemakerA, PacemakerV = 0;
DigitalOut Apace(), Vpace();
DigitalIn Aget(), Vget();
 
int PacemakerModeGuard = 0;
 
void PacemakerSense() {
    
}
 
void PacemakerKeyboard() {
    while(1) {
        char c = keyboard.getc();
        switch(c) {
            case 'n':
            case 'N':
                PacemakerModeGuard = 0;
                break;
            case 's':
            case 'S':
                PacemakerModeGuard = 1;
                break;
            case 'e':
            case 'E':
                PacemakerModeGuard = 2;
                break;
            case 'm':
            case 'M':
                PacemakerModeGuard = 3;
                break;
            case 'a':
            case 'A':
                if(PacemakerModeGuard == 3) {
                    PacemakerA = 1;
                    Thread::wait(10);
                    PacemakerA = 0;
                }
                break;
            case 'v':
            case 'V':
        }
    }
}


Timer obsInt;
int observationInterval = 10; //observation interval in seconds
float vget_count = 0.; // A counter that increments every time a ventricular pulse has been detected
Semaphore heartBeat(1);
float DisplayMe;
void PacemakerDisplay() {
    if (obsInt.read_ms()/1000 >= observationInterval) { //reporting interval exceeded
        obsInt.stop();
        heartBeat.wait(); //DONT LET ANY OTHER CODE RUN RIGHT NOW
        DisplayMe = vget_count*(60/observationInterval);
        lcd.printf("HR = %s\n", DisplayMe); // multiplies the number of counted Vgets by the number of observation periods in one minute,
        PacemakerAlarm(DisplayMe);
        vget_count = 0;
        obsInt.reset();
        heartBeat.release(); //OTHER CODE CAN RUN AGAIN
    }
}
void PacemakerAlarm(int HeartRate) { //Takes the heart rate and returns an appropriate message; runs whenever display is updated
    if HeartRate > LRI {
    lcd.printf("HR TOO FAST\n");
    } else if HeartRate < URI{
        lcd.printf("HR TOO SLOW\n");
    } else{
        lcd.printf("     \n");
    }
}
 
void PacemakerLED() {
    
}
 
 
 
int main() {
    
}