Fix return value signedness

2018-01-02 14:46:33 +02:00 · 2018-01-02 14:46:33 +02:00 · 8104fbbad0
commit 8104fbbad0
parent 9d0bb921b3
2 changed files with 2 additions and 2 deletions
--- a/include/sonar.h
+++ b/include/sonar.h
@ -40,6 +40,6 @@

 void init_sonar(void);
 void trigger_sonar(void);
-unsigned int read_sonar(void);
+int read_sonar(void);

 #endif /* SONAR_H */
--- a/src/sonar.c
+++ b/src/sonar.c
@ -28,7 +28,7 @@ ISR(TIMER1_OVF_vect)
    TCNT1 = 0;
 }

-unsigned int read_sonar()
+int read_sonar()
 {
    int dist_in_cm = 0;
    init_sonar();