School project.

Dependencies:   Timezone NTPClient BSP_DISCO_F746NG Grove_temperature

Revision:
15:638e65c37d58
Parent:
14:3ac7c08dbc52
--- a/button_functions.h	Mon Jan 18 16:13:13 2021 +0000
+++ b/button_functions.h	Tue Jan 19 10:05:13 2021 +0000
@@ -10,10 +10,12 @@
 @is_fahrenheit Bool value to reverse.
 1/18/2021
 */ 
-void button_switch_temp_unit(DigitalIn& button, bool& is_fahrenheit)
+bool button_switch_temp_unit(DigitalIn& button, bool& is_fahrenheit)
 {
     if (button.read() == 1 )
     {
        is_fahrenheit = helper_reverse_bool(is_fahrenheit);
+       return true;
     }
+    return false;
 }
\ No newline at end of file