initial commit

component/common/mbed/targets/hal/rtl8711b/wdt_api.c

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+/** mbed Microcontroller Library
+  ******************************************************************************
+  * @file    wdt_api.c
+  * @author 
+  * @version V1.0.0
+  * @date    2016-08-01
+  * @brief   This file provides mbed API for WDG.
+  ******************************************************************************
+  * @attention
+  *
+  * This module is a confidential and proprietary property of RealTek and
+  * possession or use of this module requires written permission of RealTek.
+  *
+  * Copyright(c) 2016, Realtek Semiconductor Corporation. All rights reserved.
+  ****************************************************************************** 
+  */
+  
+#include "objects.h"
+#include "ameba_soc.h"
+#include "wdt_api.h"
+#include "cmsis.h"
+
+/**
+ * @brief   Initializes the watch dog, include time setting, mode register
+ * @param   timeout_ms: the watch-dog timer timeout value, in ms.
+ *           default action of timeout is to reset the whole system.
+ * @retval none        
+ */
+void watchdog_init(uint32_t timeout_ms)
+{
+	WDG_InitTypeDef WDG_InitStruct;
+	u32 CountProcess;
+	u32 DivFacProcess;
+	
+	WDG_Scalar(timeout_ms, &CountProcess, &DivFacProcess);
+
+	WDG_InitStruct.CountProcess = CountProcess;
+	WDG_InitStruct.DivFacProcess = DivFacProcess;
+
+	WDG_Init(&WDG_InitStruct);
+}
+
+/**
+ * @brief   Start the watchdog counting
+ * @param   None
+ * @retval none       
+ */
+void watchdog_start(void)
+{
+	WDG_Cmd(ENABLE);
+}
+
+/**
+ * @brief   Stop the watchdog counting
+ * @param   None
+ * @retval none       
+ */
+void watchdog_stop(void)
+{
+	WDG_Cmd(DISABLE);
+}
+
+/**
+ * @brief   Refresh the watchdog counting to prevent WDT timeout
+ * @param   None
+ * @retval none          
+ */
+void watchdog_refresh(void)
+{
+	WDG_Refresh();
+}
+
+/**
+ * @brief   Switch the watchdog timer to interrupt mode and
+ *           register a watchdog timer timeout interrupt handler.
+ *           The interrupt handler will be called when the watch-dog 
+ *           timer is timeout.
+ * @param   handler: the callback function for WDT timeout interrupt.
+ * @param   id: the parameter for the callback function
+ * @retval none           
+ */
+void watchdog_irq_init(wdt_irq_handler handler, uint32_t id)
+{
+	WDG_IrqInit((VOID*)handler, (u32)id);
+}
+
+