1 files changed, 131 insertions, 0 deletions
diff --git a/inc/peripheral/rtl876x_aon_wdg.h b/inc/peripheral/rtl876x_aon_wdg.h
new file mode 100644
index 0000000..e982f0d
--- /dev/null
+++ b/inc/peripheral/rtl876x_aon_wdg.h
@@ -0,0 +1,131 @@
+/**
+*********************************************************************************************************
+*               Copyright(c) 2015, Realtek Semiconductor Corporation. All rights reserved.
+*********************************************************************************************************
+* @file      rtl876x_aon_wdg.h
+* @brief     header file of aon watch dog driver.
+* @details
+* @author    Serval Li
+* @date      2017-06-27
+* @version   v0.1
+* *********************************************************************************************************
+*/
+
+#ifndef _RTL876X_AON_WDG_H_
+#define _RTL876X_AON_WDG_H_
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** @addtogroup IO Peripheral Drivers
+ *
+  * @defgroup AON_WATCH_DOG AON_WATCH_DOG
+  * @brief AON Watch Dog driver module
+  * \ingroup     IO
+  * @{
+  */
+
+/** @defgroup AON_WATCH_DOG_Exported_Functions AON Watch Dog Exported Functions
+  * @{
+  */
+
+/**
+   * @brief  AON Watchdog Config.
+   * @param  reset_level: 0, Reset whole chip; 1, Reset whole chip except partial AON and RTC.
+   * @param  comp: Set period in ms.
+   * @param  cnt_ctl: 0, Stop count in low power mode; 1, Continue count in low power mode.
+   * @param  cnt_reload: 0, Not reload counter when exit low power mode
+                         1, Reload counter when exit low power mode.
+   * @retval none.
+   */
+void AON_WDG_Config(uint8_t reset_level, uint32_t comp, uint8_t cnt_ctl, uint8_t cnt_reload);
+
+/**
+   * @brief  Config Reset Level.
+   * @param  reset_level: 0, Reset whole chip; 1, Reset whole chip except partial AON and RTC.
+   * @retval none.
+   */
+void AON_WDG_ConfigResetLevel(uint8_t reset_level);
+
+/**
+   * @brief  Config Period.
+   * @param  comp: Set period in ms.
+   * @retval none.
+   */
+void AON_WDG_ConfigComp(uint32_t comp);
+
+/**
+   * @brief  Config whether continue count in low power mode or not.
+   * @param  cnt_ctl: 0, Stop count in low power mode; 1, Continue count in low power mode.
+   * @retval none.
+   */
+void AON_WDG_ConfigCntCtl(uint8_t cnt_ctl);
+
+/**
+   * @brief  Config whether reload counter when exit low power mode or not.
+   * @param  cnt_reload: 0, Not reload counter when exit low power mode
+                         1, Reload counter when exit low power mode.
+   * @retval none.
+   */
+void AON_WDG_ConfigCntReload(uint8_t cnt_reload);
+
+/**
+   * @brief  AON Watch Dog Timer Enable.
+   */
+void AON_WDG_Enable(void);
+
+/**
+   * @brief  AON Watch Dog Timer Disable.
+   */
+void AON_WDG_Disable(void);
+
+/**
+   * @brief  AON Watch Dog Timer Restart.
+   */
+void AON_WDG_Restart(void);
+
+/**
+   * @brief  AON Watch Dog System Reset.
+   */
+void AON_WDG_SystemReset(void);
+
+/**
+   * @brief  AON Watch Dog init.
+   * reset_level: 0, Reset whole chip; 1, Reset whole chip except partial AON and RTC.
+   * timeout_second: timeout period in seconds, max value is 65s
+   */
+static inline void aon_wdg_init(uint8_t reset_level, uint8_t timeout_second)
+{
+    uint32_t comp = (timeout_second * 1000 * 4) & 0x3FFFF;  //only 18 bit
+    AON_WDG_Config(reset_level, comp, 1, 1);
+}
+
+/**
+   * @brief  AON Watch Dog enable.
+   */
+static inline void aon_wdg_enable(void)
+{
+    AON_WDG_Enable();
+}
+
+/**
+   * @brief  AON Watch Dog counter is clear and disable.
+   */
+static inline void aon_wdg_disable(void)
+{
+    AON_WDG_Restart();
+    AON_WDG_Disable();
+}
+
+
+/** @} */ /* End of group AON_WATCH_DOG_Exported_Functions */
+/** @} */ /* End of group AON_WATCH_DOG */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTL876X_AON_WDG_H_ */