Diff: targets/TARGET_NUVOTON/TARGET_M480/device/StdDriver/m480_wdt.h

Revision:

172:7d866c31b3c5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_NUVOTON/TARGET_M480/device/StdDriver/m480_wdt.h	Thu Aug 31 17:27:04 2017 +0100
@@ -0,0 +1,210 @@
+/**************************************************************************//**
+ * @file     wdt.h
+ * @version  V3.00
+ * @brief    M480 series WDT driver header file
+ *
+ * @copyright (C) 2016 Nuvoton Technology Corp. All rights reserved.
+ *****************************************************************************/
+#ifndef __WDT_H__
+#define __WDT_H__
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+/** @addtogroup M480_Device_Driver M480 Device Driver
+  @{
+*/
+
+/** @addtogroup WDT_Driver WDT Driver
+  @{
+*/
+
+/** @addtogroup WDT_EXPORTED_CONSTANTS WDT Exported Constants
+  @{
+*/
+/*---------------------------------------------------------------------------------------------------------*/
+/*  WDT Time-out Interval Period Constant Definitions                                                      */
+/*---------------------------------------------------------------------------------------------------------*/
+#define WDT_TIMEOUT_2POW4           (0UL << WDT_CTL_TOUTSEL_Pos) /*!< Setting WDT time-out interval to 2^4 * WDT clocks \hideinitializer */
+#define WDT_TIMEOUT_2POW6           (1UL << WDT_CTL_TOUTSEL_Pos) /*!< Setting WDT time-out interval to 2^6 * WDT clocks \hideinitializer */
+#define WDT_TIMEOUT_2POW8           (2UL << WDT_CTL_TOUTSEL_Pos) /*!< Setting WDT time-out interval to 2^8 * WDT clocks \hideinitializer */
+#define WDT_TIMEOUT_2POW10          (3UL << WDT_CTL_TOUTSEL_Pos) /*!< Setting WDT time-out interval to 2^10 * WDT clocks \hideinitializer */
+#define WDT_TIMEOUT_2POW12          (4UL << WDT_CTL_TOUTSEL_Pos) /*!< Setting WDT time-out interval to 2^12 * WDT clocks \hideinitializer */
+#define WDT_TIMEOUT_2POW14          (5UL << WDT_CTL_TOUTSEL_Pos) /*!< Setting WDT time-out interval to 2^14 * WDT clocks \hideinitializer */
+#define WDT_TIMEOUT_2POW16          (6UL << WDT_CTL_TOUTSEL_Pos) /*!< Setting WDT time-out interval to 2^16 * WDT clocks \hideinitializer */
+#define WDT_TIMEOUT_2POW18          (7UL << WDT_CTL_TOUTSEL_Pos) /*!< Setting WDT time-out interval to 2^18 * WDT clocks \hideinitializer */
+
+/*---------------------------------------------------------------------------------------------------------*/
+/*  WDT  Reset Delay Period Constant Definitions                                                           */
+/*---------------------------------------------------------------------------------------------------------*/
+#define WDT_RESET_DELAY_1026CLK     (0UL << WDT_ALTCTL_RSTDSEL_Pos) /*!< Setting WDT reset delay period to 1026 * WDT clocks \hideinitializer */
+#define WDT_RESET_DELAY_130CLK      (1UL << WDT_ALTCTL_RSTDSEL_Pos) /*!< Setting WDT reset delay period to 130 * WDT clocks \hideinitializer */
+#define WDT_RESET_DELAY_18CLK       (2UL << WDT_ALTCTL_RSTDSEL_Pos) /*!< Setting WDT reset delay period to 18 * WDT clocks \hideinitializer */
+#define WDT_RESET_DELAY_3CLK        (3UL << WDT_ALTCTL_RSTDSEL_Pos) /*!< Setting WDT reset delay period to 3 * WDT clocks \hideinitializer */
+
+/*@}*/ /* end of group WDT_EXPORTED_CONSTANTS */
+
+
+/** @addtogroup WDT_EXPORTED_FUNCTIONS WDT Exported Functions
+  @{
+*/
+
+/**
+  * @brief      Clear WDT Reset System Flag
+  *
+  * @param      None
+  *
+  * @return     None
+  *
+  * @details    This macro clears WDT time-out reset system flag.
+  * \hideinitializer
+  */
+#define WDT_CLEAR_RESET_FLAG()          (WDT->CTL = (WDT->CTL & ~(WDT_CTL_IF_Msk | WDT_CTL_WKF_Msk)) | WDT_CTL_RSTF_Msk)
+
+/**
+  * @brief      Clear WDT Time-out Interrupt Flag
+  *
+  * @param      None
+  *
+  * @return     None
+  *
+  * @details    This macro clears WDT time-out interrupt flag.
+  * \hideinitializer
+  */
+#define WDT_CLEAR_TIMEOUT_INT_FLAG()    (WDT->CTL = (WDT->CTL & ~(WDT_CTL_RSTF_Msk | WDT_CTL_WKF_Msk)) | WDT_CTL_IF_Msk)
+
+/**
+  * @brief      Clear WDT Wake-up Flag
+  *
+  * @param      None
+  *
+  * @return     None
+  *
+  * @details    This macro clears WDT time-out wake-up system flag.
+  * \hideinitializer
+  */
+#define WDT_CLEAR_TIMEOUT_WAKEUP_FLAG() (WDT->CTL = (WDT->CTL & ~(WDT_CTL_RSTF_Msk | WDT_CTL_IF_Msk)) | WDT_CTL_WKF_Msk)
+
+/**
+  * @brief      Get WDT Time-out Reset Flag
+  *
+  * @param      None
+  *
+  * @retval     0   WDT time-out reset system did not occur
+  * @retval     1   WDT time-out reset system occurred
+  *
+  * @details    This macro indicates system has been reset by WDT time-out reset or not.
+  * \hideinitializer
+  */
+#define WDT_GET_RESET_FLAG()            ((WDT->CTL & WDT_CTL_RSTF_Msk)? 1UL : 0UL)
+
+/**
+  * @brief      Get WDT Time-out Interrupt Flag
+  *
+  * @param      None
+  *
+  * @retval     0   WDT time-out interrupt did not occur
+  * @retval     1   WDT time-out interrupt occurred
+  *
+  * @details    This macro indicates WDT time-out interrupt occurred or not.
+  * \hideinitializer
+  */
+#define WDT_GET_TIMEOUT_INT_FLAG()      ((WDT->CTL & WDT_CTL_IF_Msk)? 1UL : 0UL)
+
+/**
+  * @brief      Get WDT Time-out Wake-up Flag
+  *
+  * @param      None
+  *
+  * @retval     0   WDT time-out interrupt does not cause CPU wake-up
+  * @retval     1   WDT time-out interrupt event cause CPU wake-up
+  *
+  * @details    This macro indicates WDT time-out interrupt event has waked up system or not.
+  * \hideinitializer
+  */
+#define WDT_GET_TIMEOUT_WAKEUP_FLAG()   ((WDT->CTL & WDT_CTL_WKF_Msk)? 1UL : 0UL)
+
+/**
+  * @brief      Reset WDT Counter
+  *
+  * @param      None
+  *
+  * @return     None
+  *
+  * @details    This macro is used to reset the internal 18-bit WDT up counter value.
+  * @note       If WDT is activated and time-out reset system function is enabled also, user should \n
+  *             reset the 18-bit WDT up counter value to avoid generate WDT time-out reset signal to \n
+  *             reset system before the WDT time-out reset delay period expires.
+  * \hideinitializer
+  */
+#define WDT_RESET_COUNTER()             (WDT->CTL = (WDT->CTL & ~(WDT_CTL_IF_Msk | WDT_CTL_WKF_Msk | WDT_CTL_RSTF_Msk)) | WDT_CTL_RSTCNT_Msk)
+
+/* Declare these inline functions here to avoid MISRA C 2004 rule 8.1 error */
+static __INLINE void WDT_Close(void);
+static __INLINE void WDT_EnableInt(void);
+static __INLINE void WDT_DisableInt(void);
+
+/**
+  * @brief      Stop WDT Counting
+  *
+  * @param      None
+  *
+  * @return     None
+  *
+  * @details    This function will stop WDT counting and disable WDT module.
+  */
+static __INLINE void WDT_Close(void)
+{
+    WDT->CTL = 0UL;
+    return;
+}
+
+/**
+  * @brief      Enable WDT Time-out Interrupt
+  *
+  * @param      None
+  *
+  * @return     None
+  *
+  * @details    This function will enable the WDT time-out interrupt function.
+  */
+static __INLINE void WDT_EnableInt(void)
+{
+    WDT->CTL |= WDT_CTL_INTEN_Msk;
+    return;
+}
+
+/**
+  * @brief      Disable WDT Time-out Interrupt
+  *
+  * @param      None
+  *
+  * @return     None
+  *
+  * @details    This function will disable the WDT time-out interrupt function.
+  */
+static __INLINE void WDT_DisableInt(void)
+{
+    /* Do not touch another write 1 clear bits */
+    WDT->CTL &= ~(WDT_CTL_INTEN_Msk | WDT_CTL_RSTF_Msk | WDT_CTL_IF_Msk | WDT_CTL_WKF_Msk);
+    return;
+}
+
+void WDT_Open(uint32_t u32TimeoutInterval, uint32_t u32ResetDelay, uint32_t u32EnableReset, uint32_t u32EnableWakeup);
+
+/*@}*/ /* end of group WDT_EXPORTED_FUNCTIONS */
+
+/*@}*/ /* end of group WDT_Driver */
+
+/*@}*/ /* end of group M480_Device_Driver */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __WDT_H__ */
+
+/*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/