From b7fe85dfd02d37e3fc072c583c3fbe96f652c4c5 Mon Sep 17 00:00:00 2001
From: Rocco Marco Guglielmi <roccomarco.guglielmi@live.com>
Date: Tue, 1 Aug 2017 20:47:54 +0000
Subject: [PATCH] Fixed Bug #868

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/stable_17.6.x@10347 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/ports/STM32/STM32L0xx/hal_lld.h | 14 +++++++-------
 readme.txt                             |  3 ++-
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/os/hal/ports/STM32/STM32L0xx/hal_lld.h b/os/hal/ports/STM32/STM32L0xx/hal_lld.h
index 550308803..1d93ac4c5 100644
--- a/os/hal/ports/STM32/STM32L0xx/hal_lld.h
+++ b/os/hal/ports/STM32/STM32L0xx/hal_lld.h
@@ -98,7 +98,7 @@
  */
 #define STM32_HSI16CLK          16000000    /**< 16MHz internal clock.      */
 #define STM32_HSI48CLK          48000000    /**< 48MHz internal clock.      */
-#define STM32_LSICLK            38000       /**< Low speed internal clock.  */
+#define STM32_LSICLK            37000       /**< Low speed internal clock.  */
 /** @} */
 
 /**
@@ -160,12 +160,12 @@
 #define STM32_PPRE1_DIV8        (6 << 8)    /**< HCLK divided by 8.         */
 #define STM32_PPRE1_DIV16       (7 << 8)    /**< HCLK divided by 16.        */
 
-#define STM32_PPRE2_MASK        (7 << 12)   /**< PPRE2 field mask.          */
-#define STM32_PPRE2_DIV1        (0 << 12)   /**< HCLK divided by 1.         */
-#define STM32_PPRE2_DIV2        (4 << 12)   /**< HCLK divided by 2.         */
-#define STM32_PPRE2_DIV4        (5 << 12)   /**< HCLK divided by 4.         */
-#define STM32_PPRE2_DIV8        (6 << 12)   /**< HCLK divided by 8.         */
-#define STM32_PPRE2_DIV16       (7 << 12)   /**< HCLK divided by 16.        */
+#define STM32_PPRE2_MASK        (7 << 11)   /**< PPRE2 field mask.          */
+#define STM32_PPRE2_DIV1        (0 << 11)   /**< HCLK divided by 1.         */
+#define STM32_PPRE2_DIV2        (4 << 11)   /**< HCLK divided by 2.         */
+#define STM32_PPRE2_DIV4        (5 << 11)   /**< HCLK divided by 4.         */
+#define STM32_PPRE2_DIV8        (6 << 11)   /**< HCLK divided by 8.         */
+#define STM32_PPRE2_DIV16       (7 << 11)   /**< HCLK divided by 16.        */
 
 #define STM32_STOPWUCK_MASK     (1 << 15)   /**< PLLDIV field mask.         */
 #define STM32_STOPWUCK_MSI      (0 << 15)   /**< MSI is wakeup clock.       */
diff --git a/readme.txt b/readme.txt
index d9128931a..2bfd4bfe7 100644
--- a/readme.txt
+++ b/readme.txt
@@ -89,7 +89,8 @@
 *****************************************************************************
 
 *** 17.6.1 ***
-- HAL:  Fixed wrong bit mask in STM32L0 hal lld (bug #866).
+- HAL: Fixed wrong PPRE2 and LSI related macros in STM32L0 hal lld (bug #868).
+- HAL: Fixed wrong bit mask in STM32L0 hal lld (bug #866).
 - RT:  Fixed misplaced assertion in semaphores code (bug #865).
 - HAL: Fixed STM32 USBv1 fails the state check when USB_USE_WAIT is TRUE
        (bug #863).