Diff: main.cpp

Revision:

1:059293827555

Parent:

0:b4b76706c8c3

Child:

2:804e04f4f217

--- a/main.cpp	Wed Aug 10 02:23:53 2016 +0000
+++ b/main.cpp	Wed Aug 10 03:22:58 2016 +0000
@@ -1,13 +1,15 @@
+#include <stdio.h>
 #include "mbed.h"
 #include "sx1276-inAir.h"
 
+#define STRING_LENGTH 10
+#define SUPPLY_VOLTAGE 3.3
+
 Serial      pc(USBTX, USBRX);  //Create a serial connection to the PC
 AnalogIn    ain(PA_0);             //Configure pin PA0 as an analog input for the temperature sensor
 //DigitalIn     din(PC_7);         //Configure pin PC2 as a digital input for the reed switch
 
-const float SUPPLY_VOLTAGE = 3.3;
 float reading_float;
-int reading_int;
 
 //Return the temperature from the sensor, in degrees celsius
 float get_temp() {
@@ -29,9 +31,11 @@
 
     while(1) {
 
+        char reading_string[10];
         reading_float = get_temp();
-        reading_int = (int)(reading_float);
-        pc.printf("Temperature = %d \r\n\r\n", reading_int);
+        sprintf(reading_string, "%.8f\r\n", reading_float);
+        pc.printf(reading_string);
+        //pc.printf("Temperature = %.2f \r\n\r\n", reading_float);
 
         wait_ms(500);