1 files changed, 110 insertions, 0 deletions
diff --git a/nuttx/include/nuttx/wdog.h b/nuttx/include/nuttx/wdog.h
new file mode 100644
index 000000000..84cb633ba
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+++ b/nuttx/include/nuttx/wdog.h
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+/****************************************************************************
+ * include/nuttx/wdog.h
+ *
+ *   Copyright (C) 2007-2009, 2014 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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 __INCLUDE_NUTTX_WDOG_H
+#define __INCLUDE_NUTTX_WDOG_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <sched.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Type Declarations
+ ****************************************************************************/
+
+/* The arguments are passed as uint32_t values.  For systems where the
+ * sizeof(pointer) < sizeof(uint32_t), the following union defines the
+ * alignment of the pointer within the uint32_t.  For example, the SDCC
+ * MCS51 general pointer is 24-bits, but uint32_t is 32-bits (of course).
+ *
+ * For systems where sizeof(pointer) > sizeof(uint32_t), we will have to do
+ * some redesign.
+ */
+
+union wdparm_u
+{
+  FAR void     *pvarg;
+  FAR uint32_t *dwarg;
+};
+
+typedef union wdparm_u wdparm_t;
+
+/* This is the form of the function that is called when the
+ * watchdog function expires.  Up to four parameters may be passed.
+ */
+
+typedef CODE void (*wdentry_t)(int argc, uint32_t arg1, ...);
+
+/* Watchdog 'handle' */
+
+typedef FAR struct wdog_s *WDOG_ID;
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Pubic Function Prototypes
+ ****************************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C"
+{
+#else
+#define EXTERN extern
+#endif
+
+WDOG_ID wd_create(void);
+int     wd_delete(WDOG_ID wdog);
+int     wd_start(WDOG_ID wdog, int delay, wdentry_t wdentry, int argc, ...);
+int     wd_cancel(WDOG_ID wdog);
+int     wd_gettime(WDOG_ID wdog);
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _WDOG_H_ */