X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=cpu%2Farm%2Fdrv%2Fkdebug_at91.c;h=a5ec8343e7362a8fd30edd55bb516f4700f1ae41;hb=71ef544fea9e991379181432011abb47166fec7b;hp=7de1c6d939e10b7c5552a779506e00034e0fe970;hpb=efbdba7e2814415234ef47bd10ff888559ea90af;p=bertos.git

diff --git a/cpu/arm/drv/kdebug_at91.c b/cpu/arm/drv/kdebug_at91.c
index 7de1c6d9..a5ec8343 100644
--- a/cpu/arm/drv/kdebug_at91.c
+++ b/cpu/arm/drv/kdebug_at91.c
@@ -37,7 +37,7 @@
  */
 
 #include "kdebug_at91.h"
-#include <cfg/macros.h> /* for BV() */
+#include <cfg/macros.h> /* for BV(), DIV_ROUND */
 #include <appconfig.h>
 #include <hw_cpu.h>     /* for CLOCK_FREQ */
 #include <hw_ser.h>     /* Required for bus macros overrides */
@@ -71,7 +71,7 @@ INLINE void kdbg_hw_init(void)
 		/* Reset DBGU */
 		DBGU_CR =  BV(US_RSTRX) | BV(US_RSTTX) | BV(US_RXDIS) | BV(US_TXDIS);
 		/* Set baudrate */
-		DBGU_BRGR = (CLOCK_FREQ + (16 * CONFIG_KDEBUG_BAUDRATE) / 2) / (16 * CONFIG_KDEBUG_BAUDRATE);
+		DBGU_BRGR = DIV_ROUND(CLOCK_FREQ, 16 * CONFIG_KDEBUG_BAUDRATE);
 		/* Set DBGU mode to 8 data bits, no parity and 1 stop bit. */
 		DBGU_MR =  US_CHMODE_NORMAL | US_CHRL_8 | US_PAR_NO | US_NBSTOP_1;
 		/* Enable DBGU transmitter. */