From: Olivier Matz <zer0@droids-corp.org>
Date: Tue, 4 Mar 2014 20:54:02 +0000 (+0100)
Subject: lock irq when retrieving time
X-Git-Url: http://git.droids-corp.org/?p=protos%2Fxbee-avr.git;a=commitdiff_plain;h=4d9670d6245cc381313a3ff41dd80f6596a266c8

lock irq when retrieving time
---

diff --git a/main.c b/main.c
index 326ce64..1b9bc97 100644
--- a/main.c
+++ b/main.c
@@ -91,7 +91,12 @@ void bootloader(void)
 /* return time in milliseconds on unsigned 16 bits */
 static uint16_t get_time_ms(void)
 {
-	return (uint16_t)global_ms;
+	uint16_t ms;
+	uint8_t flags;
+	IRQ_LOCK(flags);
+	ms = global_ms;
+	IRQ_UNLOCK(flags);
+	return ms;
 }
 
 static void main_timer_interrupt(void)