File content as of revision 2:4761ca8ba841:

#include "mbed.h"
#include "LPC17xx.h"
#include "TextLCD.h"
#include "rtos.h"
#include "Thread.h"

DigitalOut vsense(p23);
DigitalOut asense(p24);
DigitalIn apace(p22);
DigitalIn vpace(p21);

Serial serial_in(USBTX, USBRX);


int test_time_count;
int curr_test;
int minwaitV = 100000;
int minwaitA = 200000;

int needs_num_input = 0;

enum mode{RANDOM,MANUAL,TEST};
mode test_curr_mode = RANDOM;
Timer t;





void random_heart(void const *args){
    t.reset();
    t.start();

    while(test_curr_mode == RANDOM){
        int r = rand();
        if(r%2 == 0){
            serial_in.printf("timer was %i",t.read());
            if(1){
                asense = 1;
                serial_in.printf("asense ");
                Thread::wait(10);
                asense = 0;
                t.reset();

            }
        }else{
            if(1){
                vsense = 1;
                serial_in.printf("vsense ");
                Thread::wait(10);
                vsense = 0;
                t.reset();

            }
        }
        
        Thread::wait(500);



    }
}


void kbd_intrp(){

    char a = serial_in.getc();
    serial_in.printf("char was " + a);
    if(needs_num_input){
        // DO O handling
        needs_num_input = 0;
        return;
    }

    if(a == 'R'){
        test_curr_mode = RANDOM;
    }else if(a == 'T'){
        test_curr_mode = TEST;
    }else if(a == 'M'){
        test_curr_mode = MANUAL;
    }
    
    if(a == 'A' && test_curr_mode == MANUAL){
        asense = 1;
        Thread::wait(10);
        asense = 0;
    }
    
    if(a == 'V' && test_curr_mode == MANUAL){
        vsense = 1;
        Thread::wait(10);
        vsense = 0;
    }
        
}



// interrupt function
void interrupt_and_run_test(){
    // zero timer, set for 1ms interrupt
    
    // wait for atrial pulse
    
    // check if timer was within event
    
    
    // send vsense
    
    
    // send asense
    
    // check if timer was in event

    // wait for vpace
    
    // wait for atrial pulse
    
    // check if timer was within event
}    

int main(void){
    
    Thread t3(random_heart, (void *)"");

    
    while(1){  
    
    if(serial_in.readable()){      
    char a = serial_in.getc();
    serial_in.printf("char was " + a);
    if(needs_num_input){
        // DO O handling
        needs_num_input = 0;
    }

    if(a == 'R'){
        test_curr_mode = RANDOM;
    }else if(a == 'T'){
        test_curr_mode = TEST;
    }else if(a == 'M'){
        test_curr_mode = MANUAL;
    }
    
    if(a == 'A' && test_curr_mode == MANUAL){
        asense = 1;
        Thread::wait(10);
        asense = 0;
    }
    
    if(a == 'V' && test_curr_mode == MANUAL){
        vsense = 1;
        Thread::wait(10);
        vsense = 0;
    }
    
        
    }
    }
}