X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcpu%2Favr%2Fdrv%2Ftimer_avr.c;h=70876c010b2a664c012618774e408a4120d52286;hb=b708b0cbae2dc58ef30943ade3d56c464b49a59c;hp=ab8329a69e34f2cd559781f1b0861acce45af6f0;hpb=55e4b1a4b5d2a29f799a360ca0ac191a6de26135;p=bertos.git

diff --git a/bertos/cpu/avr/drv/timer_avr.c b/bertos/cpu/avr/drv/timer_avr.c
index ab8329a6..70876c01 100644
--- a/bertos/cpu/avr/drv/timer_avr.c
+++ b/bertos/cpu/avr/drv/timer_avr.c
@@ -82,6 +82,7 @@
 	#define REG_TIFR0 TIFR
 	#define REG_TIFR1 TIFR
 	#define REG_TIFR2 TIFR
+	#define REG_TIFR3 TIFR
 
 	#define REG_TIMSK0 TIMSK
 	#define REG_TIMSK1 TIMSK
@@ -215,6 +216,10 @@
 
 #elif (CONFIG_TIMER == TIMER_ON_OVERFLOW3)
 
+	#if CPU_AVR_ATMEGA168 || CPU_AVR_ATMEGA328P || CPU_AVR_ATMEGA32
+		#error For select target there is not TIMER_ON_OVERFLOW3, please select an other one.
+	#endif
+
 	void timer_hw_init(void)
 	{
 		cpu_flags_t flags;
@@ -243,7 +248,7 @@
 		TCNT3 = 0x00;
 
 		/* Enable timer interrupt: Timer/Counter3 Overflow */
-		REG_TIMSK3 = |= BV(TOIE3);
+		REG_TIMSK3 |= BV(TOIE3);
 
 		IRQ_RESTORE(flags);
 	}