mirror of
https://github.com/thead-yocto-mirror/csi_hal
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131 lines
4.0 KiB
C
131 lines
4.0 KiB
C
/*
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* Copyright (C) 2021 Alibaba Group Holding Limited
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* Author: LuChongzhi <chongzhi.lcz@alibaba-inc.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __CAMERA_MANAGER_H__
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#define __CAMERA_MANAGER_H__
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#include <stdio.h>
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#include <csi_camera.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum manage_target {
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MANAGE_TARGET_INVALID = -1,
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MANAGE_TARGET_CAMERA = 0,
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MANAGE_TARGET_CHANNEL,
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} manage_target_e;
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typedef enum camera_state {
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CAMERA_STATE_CLOSED = (1 << 0),
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CAMERA_STATE_OPENED = (1 << 1),
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CAMERA_STATE_MODE_SET = (1 << 2),
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CAMERA_STATE_RUNNING = (1 << 3),
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} camera_state_e;
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typedef enum camera_action {
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CAMERA_ACTION_NONE = 0,
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CAMERA_ACTION_LOG_PRINT = (1 << 0),
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CAMERA_ACTION_CAPTURE_FRAME = (1 << 1),
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CAMERA_ACTION_MAX_COUNT = 2,
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} camera_action_e;
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typedef struct camera_event_action {
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csi_camera_event_id_e event;
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bool supported;
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bool subscribed;
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camera_action_e action;
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} camera_event_action_t;
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typedef enum camera_channel_action {
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CAMERA_CHANNEL_ACTION_NONE = 0,
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CAMERA_CHANNEL_ACTION_LOG_PRINT = (1 << 0),
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CAMERA_CHANNEL_ACTION_CAPTURE_FRAME = (1 << 1),
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CAMERA_CHANNEL_ACTION_DISPLAY_FRAME = (1 << 2),
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CAMERA_CHANNEL_ACTION_MAX_COUNT = 3,
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} camera_channel_action_e;
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typedef struct camera_channel_event_action {
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csi_camera_channel_event_id_e event;
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bool supported;
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bool subscribed;
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camera_channel_action_e action;
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} camera_channel_event_action_t;
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typedef struct camera_event_action_union {
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manage_target_e target;
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int camera_id;
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int channel_id;
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union {
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camera_event_action_t camera;
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camera_channel_event_action_t channel;
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};
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} camera_event_action_union_t;
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struct camera_session;
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typedef int (*camera_action_fun_t)(struct camera_session *, csi_camera_event_s *);
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typedef struct camera_session {
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camera_state_e state; /* camera current state */
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uint32_t info_status; /* bitmask of camera_info_status_e */
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int camera_id; /* from csi_camera_infos_s.info[id] */
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csi_cam_handle_t camera_handle; /* from csi_camera_open() */
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csi_camera_infos_s camera_infos; /* from csi_camera_query_list() */
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csi_camera_modes_s camera_modes; /* from csi_camera_get_modes() */
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int camera_mode_id; /* from csi_camera_modes_s.modes[].mode_id */
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csi_camera_channel_cfg_s chn_cfg[CSI_CAMERA_CHANNEL_MAX_COUNT];
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csi_camera_channel_cfg_s chn_cfg_tmp; /* store temp params when configuring */
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csi_cam_event_handle_t event_handle;
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camera_event_action_union_t camera_event_action[CSI_CAMERA_EVENT_MAX_COUNT];
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camera_event_action_union_t channel_event_action[CSI_CAMERA_CHANNEL_MAX_COUNT][CSI_CAMERA_CHANNEL_EVENT_MAX_COUNT];
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camera_action_fun_t camera_action_fun;
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camera_action_fun_t channel_action_fun;
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pthread_t event_action_thread_id;
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} cams_t;
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int camera_create_session(cams_t **session);
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int camera_destory_session(cams_t **session);
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int camera_query_list(cams_t *session);
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int camera_get_caps(cams_t *session);
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int camera_open(cams_t *session, const char *dev_name);
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int camera_close(cams_t *session);
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int camera_get_modes(cams_t *session);
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int camera_set_mode(cams_t *session, int mode_id);
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int camera_query_property(cams_t *session,
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csi_camera_property_description_s *description);
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int camera_set_property(cams_t *session, csi_camera_properties_s *properties);
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int camera_channel_query_list(cams_t *session);
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int camera_channel_open(cams_t *session, csi_camera_channel_cfg_s *chn_cfg);
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int camera_channel_close(cams_t *session, csi_camera_channel_id_e chn_id);
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int camera_register_event_action(cams_t *session,
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camera_action_fun_t camera_action_fun,
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camera_action_fun_t channel_action_fun);
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int camera_subscribe_event(cams_t *session);
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int camera_channel_start(cams_t *session, csi_camera_channel_id_e chn_id);
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int camera_channel_stop(cams_t *session, csi_camera_channel_id_e chn_id);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __CAMERA_MANAGER_H__ */
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