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Fix return value signedness

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Rihards Skuja 2018-01-02 14:46:33 +02:00
parent 9d0bb921b3
commit 8104fbbad0
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2 changed files with 2 additions and 2 deletions
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2
include/sonar.h
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@ -40,6 +40,6 @@
void init_sonar(void);
void trigger_sonar(void);
unsigned int read_sonar(void);
int read_sonar(void);
#endif /* SONAR_H */

2
src/sonar.c
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@ -28,7 +28,7 @@ ISR(TIMER1_OVF_vect)
TCNT1 = 0;
}
unsigned int read_sonar()
int read_sonar()
{
int dist_in_cm = 0;
init_sonar();