Diff: main.cpp

Revision:

0:3325cdd7ccda

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Apr 16 20:25:08 2016 +0000
@@ -0,0 +1,139 @@
+#include "mbed.h"
+#include "HCSR04.h"
+
+
+Serial pc(USBTX,USBRX);
+Serial blue(p9,p10);         // TX = P14  RX = P13
+DigitalOut status(LED1);
+DigitalOut statust(LED4);
+AnalogIn lm35(p20);
+HCSR04 rangeFinder(p14,p13);
+AnalogIn ECG (p19);
+Timer t;
+
+
+float range;
+char mander='1';
+float temp=0;
+float signalC=0;
+float timeC=0;
+
+//Variables de HR
+AnalogIn sens(p15);
+float sig=0;
+int flag=0;
+float t1 = 0;
+float t2 = 0; 
+int it = 0;
+float dif;
+int BPM;
+float sum = 0;
+int acum = 0;
+float lastBPM=0;
+
+
+int main() 
+{
+    pc.baud(115200);
+    blue.baud(115200);
+    pc.printf("Bluetooth iniciado\n\r");
+    
+    while (1) 
+    {
+        if (blue.readable()) 
+        {mander= blue.getc();}
+        
+       // if(mander=='a')
+         //   {status=1;mander='1';}
+            
+        if (mander=='s')
+            {status=0;mander='1';}
+            
+        if(mander=='d')
+            {blue.printf("El estado del bluetooth es %i |\r",status.read());mander='1';}
+            
+        if(mander=='t')
+        {
+            statust=1;
+            wait(20);
+            temp=(lm35.read()*3.3)/.01;
+            blue.printf("t,%f|\r",temp);
+            pc.printf("t,%f\n\r",temp);
+            mander=1; 
+            statust=0; 
+        }
+        
+        if(mander=='a')
+        {   wait(1);
+            rangeFinder.startMeas();
+            wait(0.1);
+            rangeFinder.getMeas(range);
+            blue.printf("a,%.0f|\r", 77-range*100);
+            pc.printf("a,%.0f\n\r", 77-range*100);
+            mander=1;  
+        }
+        
+        if(mander=='e')
+        {
+            t.reset();
+            t.start();
+            while (mander=='e')
+            {
+                signalC=ECG.read()*3.3;
+                timeC=t.read();
+                blue.printf("e,%f,%f|\r",signalC,timeC);
+                pc.printf("e,%f,%f\n\r",signalC,timeC);
+                wait(.02);
+                if(timeC >=8)
+                    {mander=1;} 
+            }
+        }
+        
+        if(mander=='p')
+        {
+            t.start();
+            while(mander=='p')
+            {
+                if(acum == 2)
+                {
+                    sum = sum / 2;  
+                    blue.printf("p,%f|\r",sum);
+                    pc.printf("p,%f\n\r",sum);
+                    sum = 0;
+                    acum = 0;
+                    mander='1';  
+                }
+                sig=sens.read();
+                if(sig>=1 && flag==0)
+                {
+                if(it == 1)
+                {
+                            t2 = t.read(); 
+                            it = 0; 
+                            if(BPM!=0){lastBPM=BPM;
+                        }  
+                        dif = t2 - t1;
+                        BPM = 60 / dif;
+                        flag = 1;
+                        if(BPM < 250 || BPM-lastBPM < (3/5)*lastBPM)
+                        { 
+                            sum = sum + BPM;
+                            acum++;
+                        }
+                    }
+                    else
+                    {
+                        t1 = t.read();
+                        flag = 1;
+                        it++;
+                    }    
+                }
+                
+                if(sig < 0.5 && flag == 1)
+                    {flag =  0; }
+                
+            }
+        
+        }
+    }
+}
\ No newline at end of file