X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=cpu%2Favr%2Fdrv%2Fser_simple_avr.c;h=d71ce58530ebb84d5c677c96050f6f112517d7be;hb=5bce68499e394b01425fbc0d883d21f60008c2f3;hp=7805892a9912769604962e288c271ccac2f1f521;hpb=45e52e1aceabd6e40b3c6e301440ad60c1cba29d;p=bertos.git

diff --git a/cpu/avr/drv/ser_simple_avr.c b/cpu/avr/drv/ser_simple_avr.c
index 7805892a..d71ce585 100644
--- a/cpu/avr/drv/ser_simple_avr.c
+++ b/cpu/avr/drv/ser_simple_avr.c
@@ -136,7 +136,7 @@ void _ser_settimeouts(void)
 void _ser_setbaudrate(unsigned long rate)
 {
 	/* Compute baud-rate period */
-	uint16_t period = (((CLOCK_FREQ / 16UL) + (rate / 2)) / rate) - 1;
+	uint16_t period = DIV_ROUND(CLOCK_FREQ / 16UL, rate) - 1;
 
 	UBRR0H = (period) >> 8;
 	UBRR0L = (period);