Introduce a port for T-HEAD CK802. A simple demo for T-HEAD CB2201 is also included.

git-svn-id: http://svn.code.sf.net/p/freertos/code/trunk@2802 1d2547de-c912-0410-9cb9-b8ca96c0e9e2

1 files changed, 168 insertions, 0 deletions

diff --git a/FreeRTOS/Demo/T-HEAD_CB2201_CDK/csi/csi_driver/include/drv_timer.h b/FreeRTOS/Demo/T-HEAD_CB2201_CDK/csi/csi_driver/include/drv_timer.h
new file mode 100644
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+++ b/FreeRTOS/Demo/T-HEAD_CB2201_CDK/csi/csi_driver/include/drv_timer.h
@@ -0,0 +1,168 @@
+/*
+ * 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_timer.h
+ * @brief    header file for timer driver
+ * @version  V1.0
+ * @date     02. June 2017
+ ******************************************************************************/
+
+#ifndef _CSI_TIMER_H_
+#define _CSI_TIMER_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <drv_common.h>
+
+/// definition for timer handle.
+typedef void *timer_handle_t;
+
+/*----- TIMER Control Codes: Mode -----*/
+typedef enum {
+    TIMER_MODE_FREE_RUNNING                 = 0,   ///< free running mode
+    TIMER_MODE_RELOAD                              ///< reload mode
+} timer_mode_e;
+
+/**
+\brief TIMER Status
+*/
+typedef struct {
+    uint32_t active   : 1;                        ///< timer active flag
+    uint32_t timeout  : 1;                        ///< timeout flag
+} timer_status_t;
+
+/**
+\brief TIMER Event
+*/
+typedef enum {
+    TIMER_EVENT_TIMEOUT  = 0   ///< time out event
+} timer_event_e;
+
+typedef void (*timer_event_cb_t)(timer_event_e event, void *arg);   ///< Pointer to \ref timer_event_cb_t : TIMER Event call back.
+
+/**
+\brief TIMER Device Driver Capabilities.
+*/
+typedef struct {
+    uint32_t interrupt_mode          : 1;      ///< supports Interrupt mode
+} timer_capabilities_t;
+
+/**
+  \brief       get timer instance count.
+  \return      timer instance count
+*/
+int32_t csi_timer_get_instance_count(void);
+
+/**
+  \brief       Initialize TIMER Interface. 1. Initializes the resources needed for the TIMER interface 2.registers event callback function
+  \param[in]   idx  instance timer index
+  \param[in]   cb_event  Pointer to \ref timer_event_cb_t
+  \param[in]   cb_arg    arguments of cb_event
+  \return      pointer to timer instance
+*/
+timer_handle_t csi_timer_initialize(int32_t idx, timer_event_cb_t cb_event, void *cb_arg);
+
+/**
+  \brief       De-initialize TIMER Interface. stops operation and releases the software resources used by the interface
+  \param[in]   handle timer handle to operate.
+  \return      error code
+*/
+int32_t csi_timer_uninitialize(timer_handle_t handle);
+
+/**
+  \brief       Get driver capabilities.
+  \param[in]   handle timer handle to operate.
+  \return      \ref timer_capabilities_t
+*/
+timer_capabilities_t csi_timer_get_capabilities(timer_handle_t handle);
+
+/**
+  \brief       config timer mode.
+  \param[in]   handle timer handle to operate.
+  \param[in]   mode      \ref timer_mode_e
+  \return      error code
+*/
+int32_t csi_timer_config(timer_handle_t handle, timer_mode_e mode);
+
+/**
+  \brief       Set timer.
+  \param[in]   handle timer handle to operate.
+  \param[in]   timeout the timeout value in microseconds(us).
+  \return      error code
+*/
+int32_t csi_timer_set_timeout(timer_handle_t handle, uint32_t timeout);
+
+/**
+  \brief       Start timer.
+  \param[in]  handle timer handle to operate.
+  \param[in]   apbfreq APB frequency
+  \return      error code
+*/
+int32_t csi_timer_start(timer_handle_t handle, uint32_t apbfreq);
+
+/**
+  \brief       Stop timer.
+  \param[in]   handle timer handle to operate.
+  \return      error code
+*/
+int32_t csi_timer_stop(timer_handle_t handle);
+
+/**
+  \brief       suspend timer.
+  \param[in]   handle timer handle to operate.
+  \return      error code
+*/
+int32_t csi_timer_suspend(timer_handle_t handle);
+
+/**
+  \brief       resume timer.
+  \param[in]   handle timer handle to operate.
+  \return      error code
+*/
+int32_t csi_timer_resume(timer_handle_t handle);
+
+/**
+  \brief       get timer current value
+  \param[in]   handle timer handle to operate.
+  \param[in]   value     timer current value
+  \return      error code
+*/
+int32_t csi_timer_get_current_value(timer_handle_t handle, uint32_t *value);
+
+/**
+  \brief       Get TIMER status.
+  \param[in]   handle timer handle to operate.
+  \return      TIMER status \ref timer_status_t
+*/
+timer_status_t csi_timer_get_status(timer_handle_t handle);
+
+/**
+  \brief       get timer reload value
+  \param[in]   handle timer handle to operate.
+  \param[in]   value    timer reload value
+  \return      error code
+*/
+int32_t csi_timer_get_load_value(timer_handle_t handle, uint32_t *value);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _CSI_TIMER_H_ */
+