/* * Copyright (c) 2021-2022 Arm Limited. All rights reserved. * 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. */ #ifndef DATA_PSN_H #define DATA_PSN_H /** * This file is the top level abstraction for the data presentation module **/ #include #include #include /* Structure to encompass the data presentation module and it's methods */ typedef struct data_presentation_module { int inited; /**< initialised or not */ char system_name[8]; /**< name of the system in use */ int (* system_init)(void); /**< pointer to init function */ /** Pointer to the image presentation function */ int (* present_data_image)(const uint8_t *data, const uint32_t width, const uint32_t height, const uint32_t channels, const uint32_t pos_x, const uint32_t pos_y, const uint32_t downsample_factor); /* Pointer to text presentation function */ int (* present_data_text)(const char *str, const size_t str_sz, const uint32_t pos_x, const uint32_t pos_y, const bool allow_multiple_lines); /* Pointer to box presentation function */ int (* present_box)(const uint32_t pos_x, const uint32_t pos_y, const uint32_t width, const uint32_t height, const uint16_t color); /* Pointer to clear presentation function */ int (* clear)(const uint16_t color); /* Pointer to set text color presentation function */ int (* set_text_color)(const uint16_t color); } data_psn_module; /** * @brief Initialises the data presentation system. * @param[in,out] module Pointer to a pre-allocated data * presentation structure object. * @return 0 if successful, error code otherwise. **/ int data_psn_system_init(data_psn_module *module); /** * @brief Releases the data presentation system. * @param[in,out] module Pointer to a pre-allocated data * presentation structure object. * @return 0 if successful, error code otherwise. **/ int data_psn_system_release(data_psn_module *module); #endif /* DATA_PSN_H */