From f4daa226ac7e812d665879814c80b3b89899b623 Mon Sep 17 00:00:00 2001
From: UncleRus <unclerus@gmail.com>
Date: Sat, 5 Nov 2016 06:10:56 +0500
Subject: [PATCH] DS1307 set month & weekday fix

---
 extras/ds1307/ds1307.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/extras/ds1307/ds1307.c b/extras/ds1307/ds1307.c
index 90abf9d..e5306a8 100644
--- a/extras/ds1307/ds1307.c
+++ b/extras/ds1307/ds1307.c
@@ -96,9 +96,9 @@ void ds1307_set_time(const struct tm *time)
     buf[1] = dec2bcd(time->tm_sec);
     buf[2] = dec2bcd(time->tm_min);
     buf[3] = dec2bcd(time->tm_hour);
-    buf[4] = dec2bcd(time->tm_wday);
+    buf[4] = dec2bcd(time->tm_wday + 1);
     buf[5] = dec2bcd(time->tm_mday);
-    buf[6] = dec2bcd(time->tm_mon);
+    buf[6] = dec2bcd(time->tm_mon + 1);
     buf[7] = dec2bcd(time->tm_year - 2000);
 
     i2c_slave_write(ADDR, buf, 8);