From c670bdca1ae87c227373eba3cdcc62867f6ab153 Mon Sep 17 00:00:00 2001
From: Guillaume Revaillot <revaillot@archos.com>
Date: Tue, 27 Mar 2018 18:30:36 +0200
Subject: [PATCH] stm32l0: enable iwdg

---
 include/libopencm3/stm32/iwdg.h    |  2 ++
 include/libopencm3/stm32/l0/iwdg.h | 36 ++++++++++++++++++++++++++++++
 lib/stm32/l0/Makefile              |  1 +
 lib/stm32/l0/iwdg.c                | 31 +++++++++++++++++++++++++
 4 files changed, 70 insertions(+)
 create mode 100644 include/libopencm3/stm32/l0/iwdg.h
 create mode 100644 lib/stm32/l0/iwdg.c

diff --git a/include/libopencm3/stm32/iwdg.h b/include/libopencm3/stm32/iwdg.h
index a9012225..769a84f7 100644
--- a/include/libopencm3/stm32/iwdg.h
+++ b/include/libopencm3/stm32/iwdg.h
@@ -30,6 +30,8 @@
 #       include <libopencm3/stm32/f3/iwdg.h>
 #elif defined(STM32F4)
 #       include <libopencm3/stm32/f4/iwdg.h>
+#elif defined(STM32L0)
+#       include <libopencm3/stm32/l0/iwdg.h>
 #elif defined(STM32L1)
 #       include <libopencm3/stm32/l1/iwdg.h>
 #elif defined(STM32L4)
diff --git a/include/libopencm3/stm32/l0/iwdg.h b/include/libopencm3/stm32/l0/iwdg.h
new file mode 100644
index 00000000..b56c391d
--- /dev/null
+++ b/include/libopencm3/stm32/l0/iwdg.h
@@ -0,0 +1,36 @@
+/** @defgroup iwdg_defines IWDG Defines
+ *
+ * @brief <b>Defined Constants and Types for the STM32L0xx Independent Watchdog
+ * Timer</b>
+ *
+ * @ingroup STM32L0xx_defines
+ *
+ * @version 1.0.0
+ *
+ * @date 28 March 2018
+ *
+ * LGPL License Terms @ref lgpl_license
+ */
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBOPENCM3_IWDG_H
+#define LIBOPENCM3_IWDG_H
+
+#include <libopencm3/stm32/common/iwdg_common_v2.h>
+
+#endif
diff --git a/lib/stm32/l0/Makefile b/lib/stm32/l0/Makefile
index 358bbacf..7ee5722e 100644
--- a/lib/stm32/l0/Makefile
+++ b/lib/stm32/l0/Makefile
@@ -48,6 +48,7 @@ OBJS		+= flash.o flash_common_l01.o
 OBJS		+= i2c_common_v2.o
 OBJS		+= rng_common_v1.o
 OBJS		+= usart_common_all.o usart_common_v2.o
+OBJS		+= iwdg_common_all.o
 
 OBJS            += usb.o usb_control.o usb_standard.o
 OBJS            += st_usbfs_core.o st_usbfs_v2.o
diff --git a/lib/stm32/l0/iwdg.c b/lib/stm32/l0/iwdg.c
new file mode 100644
index 00000000..40beaecb
--- /dev/null
+++ b/lib/stm32/l0/iwdg.c
@@ -0,0 +1,31 @@
+/** @defgroup iwdg_file IWDG
+
+@ingroup STM32l0xx
+
+@brief <b>libopencm3 STM32L0xx Independent Watchdog Timer</b>
+
+@version 1.0.0
+
+@date 28 March 2018
+
+LGPL License Terms @ref lgpl_license
+*/
+
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libopencm3/stm32/iwdg.h>