Import Mbed OS hard-float snapshot

targets/TARGET_NUVOTON/TARGET_M451/device/StdDriver/m451_wwdt.h

@@ -0,0 +1,148 @@
+/**************************************************************************//**
+ * @file     wwdt.h
+ * @version  V3.00
+ * $Revision: 7 $
+ * $Date: 15/08/11 10:26a $
+ * @brief    M451 series WWDT driver header file
+ *
+ * @note
+ * Copyright (C) 2013~2015 Nuvoton Technology Corp. All rights reserved.
+ *****************************************************************************/
+#ifndef __WWDT_H__
+#define __WWDT_H__
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+/** @addtogroup Standard_Driver Standard Driver
+  @{
+*/
+
+/** @addtogroup WWDT_Driver WWDT Driver
+  @{
+*/
+
+/** @addtogroup WWDT_EXPORTED_CONSTANTS WWDT Exported Constants
+  @{
+*/
+/*---------------------------------------------------------------------------------------------------------*/
+/*  WWDT Prescale Period Constant Definitions                                                              */
+/*---------------------------------------------------------------------------------------------------------*/
+#define WWDT_PRESCALER_1        (0 << WWDT_CTL_PSCSEL_Pos)  /*!< Select max time-out period to 1 * (64*WWDT_CLK) */
+#define WWDT_PRESCALER_2        (1 << WWDT_CTL_PSCSEL_Pos)  /*!< Select max time-out period to 2 * (64*WWDT_CLK) */
+#define WWDT_PRESCALER_4        (2 << WWDT_CTL_PSCSEL_Pos)  /*!< Select max time-out period to 4 * (64*WWDT_CLK) */
+#define WWDT_PRESCALER_8        (3 << WWDT_CTL_PSCSEL_Pos)  /*!< Select max time-out period to 8 * (64*WWDT_CLK) */
+#define WWDT_PRESCALER_16       (4 << WWDT_CTL_PSCSEL_Pos)  /*!< Select max time-out period to 16 * (64*WWDT_CLK) */
+#define WWDT_PRESCALER_32       (5 << WWDT_CTL_PSCSEL_Pos)  /*!< Select max time-out period to 32 * (64*WWDT_CLK) */
+#define WWDT_PRESCALER_64       (6 << WWDT_CTL_PSCSEL_Pos)  /*!< Select max time-out period to 64 * (64*WWDT_CLK) */
+#define WWDT_PRESCALER_128      (7 << WWDT_CTL_PSCSEL_Pos)  /*!< Select max time-out period to 128 * (64*WWDT_CLK) */
+#define WWDT_PRESCALER_192      (8 << WWDT_CTL_PSCSEL_Pos)  /*!< Select max time-out period to 192 * (64*WWDT_CLK) */
+#define WWDT_PRESCALER_256      (9 << WWDT_CTL_PSCSEL_Pos)  /*!< Select max time-out period to 256 * (64*WWDT_CLK) */
+#define WWDT_PRESCALER_384      (10 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 384 * (64*WWDT_CLK) */
+#define WWDT_PRESCALER_512      (11 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 512 * (64*WWDT_CLK) */
+#define WWDT_PRESCALER_768      (12 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 768 * (64*WWDT_CLK) */
+#define WWDT_PRESCALER_1024     (13 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 1024 * (64*WWDT_CLK) */
+#define WWDT_PRESCALER_1536     (14 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 1536 * (64*WWDT_CLK) */
+#define WWDT_PRESCALER_2048     (15 << WWDT_CTL_PSCSEL_Pos) /*!< Select max time-out period to 2048 * (64*WWDT_CLK) */
+
+/*---------------------------------------------------------------------------------------------------------*/
+/*  WWDT Reload Counter Keyword Constant Definitions                                                       */
+/*---------------------------------------------------------------------------------------------------------*/
+#define WWDT_RELOAD_WORD        (0x00005AA5)                /*!< Fill this value to WWDT_RLDCNT register to reload WWDT counter */
+
+/*@}*/ /* end of group WWDT_EXPORTED_CONSTANTS */
+
+
+/** @addtogroup WWDT_EXPORTED_FUNCTIONS WWDT Exported Functions
+  @{
+*/
+
+/**
+  * @brief      Clear WWDT Reset System Flag
+  *
+  * @param      None
+  *
+  * @return     None
+  *
+  * @details    This macro is used to clear WWDT time-out reset system flag.
+  */
+#define WWDT_CLEAR_RESET_FLAG()     (WWDT->STATUS = (WWDT->STATUS & ~WWDT_STATUS_WWDTIF_Msk) | WWDT_STATUS_WWDTRF_Msk)
+
+/**
+  * @brief      Clear WWDT Compared Match Interrupt Flag
+  *
+  * @param      None
+  *
+  * @return     None
+  *
+  * @details    This macro is used to clear WWDT compared match interrupt flag.
+  */
+#define WWDT_CLEAR_INT_FLAG()       (WWDT->STATUS = (WWDT->STATUS & ~WWDT_STATUS_WWDTRF_Msk) | WWDT_STATUS_WWDTIF_Msk)
+
+/**
+  * @brief      Get WWDT Reset System Flag
+  *
+  * @param      None
+  *
+  * @retval     0   WWDT time-out reset system did not occur
+  * @retval     1   WWDT time-out reset system occurred
+  *
+  * @details    This macro is used to indicate system has been reset by WWDT time-out reset or not.
+  */
+#define WWDT_GET_RESET_FLAG()       ((WWDT->STATUS & WWDT_STATUS_WWDTRF_Msk)? 1 : 0)
+
+/**
+  * @brief      Get WWDT Compared Match Interrupt Flag
+  *
+  * @param      None
+  *
+  * @retval     0   WWDT compare match interrupt did not occur
+  * @retval     1   WWDT compare match interrupt occurred
+  *
+  * @details    This macro is used to indicate WWDT counter value matches CMPDAT value or not.
+  */
+#define WWDT_GET_INT_FLAG()         ((WWDT->STATUS & WWDT_STATUS_WWDTIF_Msk)? 1 : 0)
+
+/**
+  * @brief      Get WWDT Counter
+  *
+  * @param      None
+  *
+  * @return     WWDT Counter Value
+  *
+  * @details    This macro reflects the current WWDT counter value.
+  */
+#define WWDT_GET_COUNTER()          (WWDT->CNT)
+
+/**
+  * @brief      Reload WWDT Counter
+  *
+  * @param      None
+  *
+  * @return     None
+  *
+  * @details    This macro is used to reload the WWDT counter value to 0x3F.
+  * @note       User can only write WWDT_RLDCNT register to reload WWDT counter value when current WWDT counter value \n
+  *             between 0 and CMPDAT value. If user writes WWDT_RLDCNT when current WWDT counter value is larger than CMPDAT, \n
+  *             WWDT reset signal will generate immediately to reset system.
+  */
+#define WWDT_RELOAD_COUNTER()       (WWDT->RLDCNT = WWDT_RELOAD_WORD)
+
+void WWDT_Open(uint32_t u32PreScale, uint32_t u32CmpValue, uint32_t u32EnableInt);
+
+/*@}*/ /* end of group WWDT_EXPORTED_FUNCTIONS */
+
+/*@}*/ /* end of group WWDT_Driver */
+
+/*@}*/ /* end of group Standard_Driver */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //__WWDT_H__
+
+/*** (C) COPYRIGHT 2013~2015 Nuvoton Technology Corp. ***/