1 files changed, 119 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/T-HEAD_CB2201_CDK/csi/csi_driver/include/drv_wdt.h b/FreeRTOS/Demo/T-HEAD_CB2201_CDK/csi/csi_driver/include/drv_wdt.h
new file mode 100644
index 000000000..bf69c127c
--- /dev/null
+++ b/FreeRTOS/Demo/T-HEAD_CB2201_CDK/csi/csi_driver/include/drv_wdt.h
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2017 C-SKY Microsystems Co., Ltd. All rights reserved.
+ *
+ * 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     drv_wdt.h
+ * @brief    header file for wdt driver
+ * @version  V1.0
+ * @date     02. June 2017
+ ******************************************************************************/
+
+#ifndef _CSI_WDT_H_
+#define _CSI_WDT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <drv_common.h>
+
+/// definition for wdt handle.
+typedef void *wdt_handle_t;
+
+/****** WDT Event *****/
+typedef enum {
+    WDT_EVENT_TIMEOUT       = 0  ///< generate the interrupt
+} wdt_event_e;
+
+typedef void (*wdt_event_cb_t)(wdt_event_e event);   ///< Pointer to \ref wdt_event_cb_t : WDT Event call back.
+
+/**
+\brief WDT Device Driver Capabilities.
+*/
+typedef struct {
+    uint32_t interrupt          : 1;      ///< supports interrupt
+} wdt_capabilities_t;
+
+/**
+  \brief       get wdt instance count.
+  \return      wdt instance count
+*/
+int32_t csi_wdt_get_instance_count(void);
+
+/**
+  \brief       Initialize WDT Interface. 1. Initializes the resources needed for the WDT interface 2.registers event callback function
+  \param[in]   idx   must not exceed return value of csi_wdt_get_instance_count()
+  \param[in]   cb_event  Pointer to \ref wdt_event_cb_t
+  \return      pointer to wdt instance
+*/
+wdt_handle_t csi_wdt_initialize(int32_t idx, wdt_event_cb_t cb_event);
+
+/**
+  \brief       De-initialize WDT Interface. stops operation and releases the software resources used by the interface
+  \param[in]   handle wdt handle to operate.
+  \return      error code
+*/
+int32_t csi_wdt_uninitialize(wdt_handle_t handle);
+
+/**
+  \brief       Get driver capabilities.
+  \param[in]   handle wdt handle to operate.
+  \return      \ref wdt_capabilities_t
+*/
+wdt_capabilities_t csi_wdt_get_capabilities(wdt_handle_t handle);
+
+/**
+  \brief       Set the WDT value.
+  \param[in]   handle wdt handle to operate.
+  \param[in]   value     the timeout value(ms).
+  \return      error code
+*/
+int32_t csi_wdt_set_timeout(wdt_handle_t handle, uint32_t value);
+
+/**
+  \brief       Start the WDT.
+  \param[in]   handle wdt handle to operate.
+  \return      error code
+*/
+int32_t csi_wdt_start(wdt_handle_t handle);
+
+/**
+  \brief       Stop the WDT.
+  \param[in]   handle wdt handle to operate.
+  \return      error code
+*/
+int32_t csi_wdt_stop(wdt_handle_t handle);
+
+/**
+  \brief       Restart the WDT.
+  \param[in]   handle wdt handle to operate.
+  \return      error code
+*/
+int32_t csi_wdt_restart(wdt_handle_t handle);
+
+/**
+  \brief       Read the WDT Current value.
+  \param[in]   handle wdt handle to operate.
+  \param[in]   value     Pointer to the Value.
+  \return      error code
+*/
+int32_t csi_wdt_read_current_value(wdt_handle_t handle, uint32_t *value);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _CSI_WDT_H_ */