[STM32F0:IWDG] Add initial support

include/libopencm3/stm32/f0/iwdg.h

@@ -0,0 +1,51 @@
+/** @defgroup iwdg_defines IWDG Defines
+ *
+ * @brief <b>Defined Constants and Types for the STM32F0xx Independent Watchdog
+ * Timer</b>
+ *
+ * @ingroup STM32F0xx_defines
+ *
+ * @version 1.0.0
+ *
+ * @date 18 August 2012
+ *
+ * LGPL License Terms @ref lgpl_license
+ */
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * 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/memorymap.h>
+#include <libopencm3/stm32/common/iwdg_common_all.h>
+
+/* --- IWDG registers ------------------------------------------------------ */
+
+/* Key Register (IWDG_WINR) */
+#define IWDG_WINR				MMIO32(IWDG_BASE + 0x10)
+
+/* --- IWDG_SR values ------------------------------------------------------ */
+
+/* WVU: Watchdog counter window value update */
+#define IWDG_SR_WVU			(1 << 2)
+
+
+#endif
+

include/libopencm3/stm32/iwdg.h

@@ -16,8 +16,9 @@
  * 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/>.
  */
-
+#if defined(STM32F0)
-#if defined(STM32F1)
+#       include <libopencm3/stm32/f0/iwdg.h>
+#elif defined(STM32F1)
 #       include <libopencm3/stm32/f1/iwdg.h>
 #elif defined(STM32F2)
 #       include <libopencm3/stm32/f2/iwdg.h>

lib/stm32/f0/Makefile

@@ -36,7 +36,7 @@ ARFLAGS		= rcs
 OBJS		= flash.o rcc.o usart.o
 
 OBJS            += gpio_common_all.o gpio_common_f0234.o crc_common_all.o \
-                   pwr_common_all.o 
+                   pwr_common_all.o iwdg_common_all.o
 
 VPATH += ../../usb:../:../../cm3:../common