Initial commit

Initial commit.

bootloader/mcuboot/boot/nuttx/include/watchdog/watchdog.h

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+/****************************************************************************
+ * boot/nuttx/include/watchdog/watchdog.h
+ *
+ * Copyright (c) 2021 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ****************************************************************************/
+
+#ifndef __BOOT_NUTTX_INCLUDE_WATCHDOG_WATCHDOG_H
+#define __BOOT_NUTTX_INCLUDE_WATCHDOG_WATCHDOG_H
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: mcuboot_watchdog_feed
+ *
+ * Description:
+ *   Reset the watchdog timer to the current timeout value, preventing any
+ *   imminent watchdog timeouts.
+ *
+ * Input Parameters:
+ *   None.
+ *
+ * Returned Value:
+ *   None.
+ *
+ ****************************************************************************/
+
+void mcuboot_watchdog_feed(void);
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: mcuboot_watchdog_init
+ *
+ * Description:
+ *   Initialize the watchdog timer by setting the trigger timeout and 
+ *   starting it.
+ *
+ * Input Parameters:
+ *   None.
+ *
+ * Returned Value:
+ *   OK on success, ERROR if not.
+ *
+ ****************************************************************************/
+
+int mcuboot_watchdog_init(void);
+
+#endif /* __BOOT_NUTTX_INCLUDE_WATCHDOG_WATCHDOG_H */