From da74095247b5ef56b6cbbb7df658ed23436a3fc3 Mon Sep 17 00:00:00 2001
From: Giovanni Di Sirio <gdisirio@gmail.com>
Date: Sun, 24 Mar 2019 07:34:26 +0000
Subject: Fixed bug #1023.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/stable_19.1.x@12711 27425a3e-05d8-49a3-a47f-9c15f0e5edd8
---
 os/hal/ports/STM32/STM32L1xx/stm32_registry.h | 28 ++++++++++++++++++++++++++-
 readme.txt                                    |  1 +
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/os/hal/ports/STM32/STM32L1xx/stm32_registry.h b/os/hal/ports/STM32/STM32L1xx/stm32_registry.h
index b71c88223..d227aa1e3 100644
--- a/os/hal/ports/STM32/STM32L1xx/stm32_registry.h
+++ b/os/hal/ports/STM32/STM32L1xx/stm32_registry.h
@@ -53,6 +53,12 @@
 #error "STM32L1xx device not specified"
 #endif
 
+#if defined(STM32L100xB) || defined(STM32L100xBA) ||  defined(STM32L100xC)
+#define STM32L1XX_VALUE_LINE                TRUE
+#else
+#define STM32L1XX_VALUE_LINE                FALSE
+#endif
+
 /*===========================================================================*/
 /* Platform capabilities.                                                    */
 /*===========================================================================*/
@@ -197,7 +203,27 @@
 #endif
 #define STM32_RTC_HAS_PERIODIC_WAKEUPS      TRUE
 #define STM32_RTC_NUM_ALARMS                2
-#define STM32_RTC_HAS_INTERRUPTS            FALSE
+#if STM32L1XX_VALUE_LINE || defined(__DOXYGEN__)
+#define STM32_RTC_STORAGE_SIZE              20
+#elif (STM32L1XX_PROD_CAT == 1) || (STM32L1XX_PROD_CAT == 2)
+#define STM32_RTC_STORAGE_SIZE              80
+#else
+#define STM32_RTC_STORAGE_SIZE              128
+#endif
+#define STM32_RTC_TAMP_STAMP_HANDLER        Vector48
+#define STM32_RTC_WKUP_HANDLER              Vector4C
+#define STM32_RTC_ALARM_HANDLER             VectorE4
+#define STM32_RTC_TAMP_STAMP_NUMBER         3
+#define STM32_RTC_WKUP_NUMBER               1
+#define STM32_RTC_ALARM_NUMBER              2
+#define STM32_RTC_ALARM_EXTI                17
+#define STM32_RTC_TAMP_STAMP_EXTI           19
+#define STM32_RTC_WKUP_EXTI                 20
+#define STM32_RTC_IRQ_ENABLE() do {                                         \
+  nvicEnableVector(STM32_RTC_TAMP_STAMP_NUMBER, STM32_IRQ_EXTI19_PRIORITY); \
+  nvicEnableVector(STM32_RTC_WKUP_NUMBER, STM32_IRQ_EXTI20_PRIORITY);       \
+  nvicEnableVector(STM32_RTC_ALARM_NUMBER, STM32_IRQ_EXTI18_PRIORITY);      \
+} while (false)
 
 /* SDIO attributes.*/
 #define STM32_HAS_SDIO                      TRUE
diff --git a/readme.txt b/readme.txt
index 4223b90bd..9d705ae62 100644
--- a/readme.txt
+++ b/readme.txt
@@ -75,6 +75,7 @@
 
 *** 19.1.2 ***
 - HAL: Added H753 to all H7 mcuconf.h files.
+- FIX: Fixed missing RTC definitions in STM32L1xx registry (bug #1023).
 - FIX: Fixed missing EXTI driver integration on some platforms (bug #1022).
 
 *** 19.1.1 ***
-- 
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