1 files changed, 143 insertions, 0 deletions
diff --git a/os/hal/ports/NRF5/LLD/WDTv1/hal_wdg_lld.h b/os/hal/ports/NRF5/LLD/WDTv1/hal_wdg_lld.h
new file mode 100644
index 0000000..c478919
--- /dev/null
+++ b/os/hal/ports/NRF5/LLD/WDTv1/hal_wdg_lld.h
@@ -0,0 +1,143 @@
+/*
+    ChibiOS - Copyright (C) 2016 Stephane D'Alu
+
+    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.
+*/
+
+/**
+ * @file    WDTv1/hal_wdg_lld.h
+ * @brief   NRF5 Watchdog Driver subsystem low level driver header template.
+ *
+ * @addtogroup WDG
+ * @{
+ */
+
+#ifndef HAL_WDG_LLD_H
+#define HAL_WDG_LLD_H
+
+#if (HAL_USE_WDG == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants.                                                         */
+/*===========================================================================*/
+
+#define WDG_MAX_TIMEOUT_MS \
+    ((uint32_t)(0xFFFFFFFFu * 1000 / NRF5_LFCLK_FREQUENCY))
+
+/*===========================================================================*/
+/* Driver pre-compile time settings.                                         */
+/*===========================================================================*/
+
+/**
+ * @name    Configuration options
+ * @{
+ */
+
+/**
+ * @brief   WDG driver implement timeout callback.
+ * @note    The default is @p FALSE.
+ */
+#if !defined(WDG_USE_TIMEOUT_CALLBACK) || defined(__DOXYGEN__)
+#define WDG_USE_TIMEOUT_CALLBACK               FALSE
+#endif
+/** @} */
+
+
+/*===========================================================================*/
+/* Derived constants and error checks.                                       */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types.                                         */
+/*===========================================================================*/
+
+/**
+ * @brief   Type of a structure representing an WDG driver.
+ */
+typedef struct WDGDriver WDGDriver;
+
+/**
+ * @brief   Driver configuration structure.
+ * @note    It could be empty on some architectures.
+ */
+typedef struct {
+  struct {
+    /**
+     * @brief Pause watchdog while the CPU is sleeping
+     */
+    uint8_t pause_on_sleep : 1;
+    /**
+     * @brief Pause watchdog while the CPU is halted by the debugger
+     */
+    uint8_t pause_on_halt  : 1;
+  };
+  /**
+   *
+   */
+  uint32_t timeout_ms;
+#if WDG_USE_TIMEOUT_CALLBACK == TRUE
+  /**
+   * @brief  Notification callback when watchdog timedout
+   *
+   * @note   About 2 cycles at NRF5_LFCLK_FREQUENCY are available
+   *         before automatic reboot.
+   *
+   */
+  void (*callback)(void);
+#endif
+} WDGConfig;
+
+
+
+/**
+ * @brief   Structure representing an WDG driver.
+ */
+struct WDGDriver {
+  /**
+   * @brief   Driver state.
+   */
+  wdgstate_t                state;
+  /**
+   * @brief   Current configuration data.
+   */
+  const WDGConfig           *config;
+  /* End of the mandatory fields.*/
+  NRF_WDT_Type *wdt;
+};
+
+/*===========================================================================*/
+/* Driver macros.                                                            */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+extern WDGDriver WDGD1;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void wdg_lld_init(void);
+  void wdg_lld_start(WDGDriver *wdgp);
+  void wdg_lld_stop(WDGDriver *wdgp);
+  void wdg_lld_reset(WDGDriver *wdgp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_WDG == TRUE */
+
+#endif /* HAL_WDG_LLD_H */
+
+/** @} */