1 files changed, 118 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_wdg.h b/nuttx/arch/arm/src/stm32/stm32_wdg.h
new file mode 100644
index 000000000..38af388f9
--- /dev/null
+++ b/nuttx/arch/arm/src/stm32/stm32_wdg.h
@@ -0,0 +1,118 @@
+/****************************************************************************
+ * arch/arm/src/stm32/stm32_wdg.h
+ *
+ *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __ARCH_ARM_SRC_STM32_STM32_WDG_H
+#define __ARCH_ARM_SRC_STM32_STM32_WDG_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include "chip.h"
+#include "chip/stm32_wdg.h"
+
+#ifdef CONFIG_WATCHDOG
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+#undef EXTERN
+#if defined(__cplusplus)
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_iwdginitialize
+ *
+ * Description:
+ *   Initialize the IWDG watchdog time.  The watchdog timer is intialized and
+ *   registers as 'devpath.  The initial state of the watchdog time is
+ *   disabled.
+ *
+ * Input Parameters:
+ *   devpath - The full path to the watchdog.  This should be of the form
+ *     /dev/watchdog0
+ *   lsifreq - The calibrated LSI clock frequency
+ *
+ * Returned Values:
+ *   None
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_STM32_IWDG
+EXTERN void stm32_iwdginitialize(FAR const char *devpath, uint32_t lsifreq);
+#endif
+
+/****************************************************************************
+ * Name: stm32_wwdginitialize
+ *
+ * Description:
+ *   Initialize the WWDG watchdog time.  The watchdog timer is intialized and
+ *   registers as 'devpath.  The initial state of the watchdog time is
+ *   disabled.
+ *
+ * Input Parameters:
+ *   devpath - The full path to the watchdog.  This should be of the form
+ *     /dev/watchdog0
+ *
+ * Returned Values:
+ *   None
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_STM32_WWDG
+EXTERN void stm32_wwdginitialize(FAR const char *devpath);
+#endif
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* __ASSEMBLY__ */
+#endif /* CONFIG_WATCHDOG */
+#endif /* __ARCH_ARM_SRC_STM32_STM32_WDG_H */