From 8e7de677a5cbbc1937301b2ec52597656aaa692c Mon Sep 17 00:00:00 2001
From: sguerrini97 <sguerrini97@gmail.com>
Date: Mon, 19 Aug 2019 12:23:22 +0200
Subject: [PATCH] Fixed RB1 mask in block 1 check

---
 armsrc/pcf7931.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/armsrc/pcf7931.c b/armsrc/pcf7931.c
index 456a6d5b..147f6fb8 100644
--- a/armsrc/pcf7931.c
+++ b/armsrc/pcf7931.c
@@ -153,7 +153,7 @@ bool IsBlock0PCF7931(uint8_t *block) {
 bool IsBlock1PCF7931(uint8_t *block) {
 	// assuming all RFU bits are set to 0
 
-	uint8_t rb1 = block[14] & 0x01;
+	uint8_t rb1 = block[14] & 0x80;
 	uint8_t rfb = block[14] & 0x7f;
 	uint8_t rlb = block[15];