From: Will Sowerbutts <will@sowerbutts.com>
Date: Sun, 22 Jan 2017 22:44:43 +0000 (+0000)
Subject: Kernel: Fix counting of individual seconds with CONFIG_RTC_INTERVAL
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=3166d35ca80579794c94d813de83e3522041b83a;p=FUZIX.git

Kernel: Fix counting of individual seconds with CONFIG_RTC_INTERVAL
---

diff --git a/Kernel/timer.c b/Kernel/timer.c
index eda5c3e7..4308f3f6 100644
--- a/Kernel/timer.c
+++ b/Kernel/timer.c
@@ -88,8 +88,14 @@ void updatetod(void)
 #ifdef CONFIG_RTC_INTERVAL
 	/* on some platforms reading the RTC is expensive so we don't do it
 	   every decisecond. */
-	if(++tod_deci != CONFIG_RTC_INTERVAL)
+	if(++tod_deci != CONFIG_RTC_INTERVAL){
+            if(!(tod_deci % 10)){ /* we still need to count each second */
+                rtcsec++;
+                slide=1;
+                goto addtod;
+            }
 	    return;
+        }
 	tod_deci = 0;
 #endif
 
@@ -98,12 +104,13 @@ void updatetod(void)
 	if (rtcnew == rtcsec)
 		return;
 	slide = rtcnew - rtcsec;	/* Seconds elapsed */
+	rtcsec = rtcnew;
+addtod:
 	if (slide < 0)
 		slide += 60;		/* Seconds wrapped */
 	tod.low += slide;
 	if (tod.low < slide)		/* 32bit wrap ? */
 		tod.high++;
-	rtcsec = rtcnew;
 }
 
 void inittod(void)