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/*
* Copyright (C) 2017-2024 Alibaba Group Holding Limited
*
* SPDX-License-Identifier: Apache-2.0
*
* 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_etb.h
* @brief header file for event trigger driver
* @version V1.0
* @date 27. octorber 2017
* @model etb
******************************************************************************/
#ifndef _DRV_ETB_H_
#define _DRV_ETB_H_
#include <drv/common.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
ETB_HARDWARE_TRIG = 0, ///< etb channel inout is hardware trigger.
ETB_SOFTWARE_TRIG ///< etb channel inout is software trigger.
} csi_etb_trig_mode_t;
typedef enum {
ETB_CH_ONE_TRIGGER_ONE = 0, ///< one device trig one deivce
ETB_CH_ONE_TRIGGER_MORE, ///< one device trig two for more device
ETB_CH_MORE_TRIGGER_ONE ///< two or more device trig one deivce
} csi_etb_ch_type_t;
typedef struct {
uint8_t src_ip; ///< a specific number represent a location in an source trigger location map to trigger other ip(s).
uint8_t dst_ip; ///< a specific number represent an location in an dest trigger map to wait signal(s) from source ip(s) or location(s).
csi_etb_trig_mode_t trig_mode; ///< the input source is hardware trigger or software trigger.
csi_etb_ch_type_t ch_type; ///< channel type
} csi_etb_config_t;
/**
\brief Init the etb device
\return error code
*/
csi_error_t csi_etb_init(void);
/**
\brief Uninit the etb device
\return none
*/
void csi_etb_uninit(void);
/**
\brief alloc an etb channel
\param[in] ch_mode etb channel work mode
\return channel id or CSI_ERROR
*/
int32_t csi_etb_ch_alloc(csi_etb_ch_type_t ch_type);
/**
\brief free an etb channel
\param[in] ch_id etb channel work mode
\return none
*/
void csi_etb_ch_free(int32_t ch_id);
/**
\brief config etb channel
\param[in] ch_id etb channel id
\param[in] config the config structure for etb channel
\return csi error code
*/
csi_error_t csi_etb_ch_config(int32_t ch_id, csi_etb_config_t *config);
/**
\brief start an etb channel
\param[in] ch_id etb channel id
\return none
*/
void csi_etb_ch_start(int32_t ch_id);
/**
\brief stop an etb channel
\param[in] etb etb channel id
\return none
*/
void csi_etb_ch_stop(int32_t ch_id);
#endif /* _CSI_ETB_H_ */
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