/* * Copyright (C) 2024 BlueKitchen GmbH * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the copyright holders nor the names of * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * 4. Any redistribution, use, or modification is done solely for * personal benefit and not for any commercial purpose or for * monetary gain. * * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Please inquire about commercial licensing options at * contact@bluekitchen-gmbh.com * */ /** * @brief TODO */ #ifndef BTSTACK_LTV_BUILDER_H #define BTSTACK_LTV_BUILDER_H #include #if defined __cplusplus extern "C" { #endif /* API_START */ typedef struct { uint8_t * buffer; uint16_t size; uint16_t len_pos; uint16_t write_pos; } btstack_ltv_builder_context_t; /** * @brief Initialize Length/Tag/Value builder with buffer and size for 8-bit tag and length fields * * @param context * @param buffer * @param size */ void btstack_ltv_builder_init(btstack_ltv_builder_context_t * context, uint8_t * buffer, uint16_t size); /** * @brief Query remaining space in buffer * * @param context * @return number of bytes that can be added */ uint16_t btstack_ltv_builder_remaining_space(btstack_ltv_builder_context_t * context); /** * @brief Get constructed event length * @param context * @return number of bytes in event */ uint16_t btstack_ltv_builder_get_length(btstack_ltv_builder_context_t * context); /** * @brief Add tag * @param context * @return number of bytes in event */ void btstack_ltv_builder_add_tag(btstack_ltv_builder_context_t * context, uint8_t tag); /** * @bbrief Add uint8_t to current tag * @param context * @param value */ void btstack_ltv_builder_add_08(btstack_ltv_builder_context_t * context, uint8_t value); /** * @bbrief Add uint16_t value to current tag * @param context * @param value */ void btstack_ltv_builder_add_little_endian_16(btstack_ltv_builder_context_t * context, uint16_t value); /** * @bbrief Add 24 bit from uint32_t byte to current tag * @param context * @param value */ void btstack_ltv_builder_add_little_endian_24(btstack_ltv_builder_context_t * context, uint32_t value); /** * @bbrief Add uint32_t to current tag * @param context * @param value */ void btstack_ltv_builder_add_little_endian_32(btstack_ltv_builder_context_t * context, uint32_t value); /** * @bbrief Add byte sequence to current tag * @param context * @param value */ void btstack_ltv_builder_add_bytes(btstack_ltv_builder_context_t * context, const uint8_t * data, uint16_t length); /** * @bbrief Add string to current tag * @param context * @param value */ void btstack_ltv_builder_add_string(btstack_ltv_builder_context_t * context, const char * text); #if defined __cplusplus } #endif #endif // BTSTACK_LTV_BUILDER_H