Diff: input_functions.cpp

Revision:

0:45610c4af223

Child:

1:1f4543ea364d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/input_functions.cpp	Mon Dec 11 09:46:58 2017 +0000
@@ -0,0 +1,89 @@
+#include "mbed.h"
+#include "rtos.h"
+
+
+AnalogIn heart_rate2(A0);
+AnalogIn adc_temp(A3);
+AnalogIn adc_sound(A1);
+//AnalogOut buzzer(D4);
+//AnalogIn Proximity_measure(A2);
+void heartrate();
+void sound();
+void temp();
+//void write_to_socket();
+//void proximity();
+
+    double h;
+    double *h_p = (double*)malloc(20*sizeof(double));
+    
+ void heartrate(){
+      
+    h_p = &h;
+    while (1){
+    h = heart_rate2.read();
+    wait(0.1);
+        }
+}
+
+void temp(){
+    //------------------------------------------------------------------------//
+        //This section is using the external temperatur sensor "Grove temperatur sensor v1.2
+        //float resistance;
+        const int B = 4275;
+        //const int R0 = 10000;
+        //char temp[10];
+        
+        //reads the voltage from the analog temperatur sensor
+        double a = adc_temp.read();
+        double R;
+        R = 1023.0/a-1.0;
+        //R = R0*R;
+        double temperature;
+        //Calculate the temperature from the voltage
+        temperature  = 1.0/(log(R)/B+1/298.15)-173.15;
+        //temperature = ((a*1000)-500)/10;
+        //sprintf(temp, "%f", a);
+        //resistance=(float)(1023-a)*10000/a; //get the resistance of the sensor;
+        //temperature=1/(log(resistance/10000)/B+1/298.15)-273.15;//convert to temperature via datasheet ;
+        //delay(100);
+        
+    }
+    
+    
+void sound() {
+    float b = adc_sound.read();
+        char temp_sound[10];
+        float noiselevel;
+        noiselevel = b;
+        //if the sound sensor is detection any noise a LED is switched on and a message with the current sound level is displayed.
+        if (noiselevel != 0) {
+
+            //do something with noiselevel!!
+            
+        }
+
+        //external_LCD.DisplayStringAt(0, LINE(1), (uint8_t *)"This is just a test", CENTER_MODE);
+        wait(0.1);
+    }
+    
+    
+    
+//void write_to_stocket(){
+    
+ //   }
+
+/*void proximity(){
+    double prox_read;
+    while(1){
+        
+        prox_read = Proximity_measure.read();
+        
+        
+        wait(0.5);
+        
+        buzzer.write(0);
+        wait(3);
+        }
+    
+    }*/
+    
\ No newline at end of file