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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/iot_file/static/iot_file_static.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/iot_file/static/iot_file_static.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/iot_file/static/iot_file_static.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/iot_file/static/iot_file_static.c new file mode 100644 index 0000000..4712992 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/iot_file/static/iot_file_static.c @@ -0,0 +1,220 @@ +/** + * Copyright (c) 2015 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * 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, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, 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 Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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. + * + */ +#include "sdk_config.h" +#include "iot_file_static.h" +#include "iot_common.h" +#include <string.h> + +#if IOT_FILE_CONFIG_LOG_ENABLED + +#define NRF_LOG_MODULE_NAME iot_file_static + +#define NRF_LOG_LEVEL IOT_FILE_CONFIG_LOG_LEVEL +#define NRF_LOG_INFO_COLOR IOT_FILE_CONFIG_INFO_COLOR +#define NRF_LOG_DEBUG_COLOR IOT_FILE_CONFIG_DEBUG_COLOR + +#include "nrf_log.h" +NRF_LOG_MODULE_REGISTER(); + +#define FSTATIC_TRC NRF_LOG_DEBUG /**< Used for getting trace of execution in the module. */ +#define FSTATIC_ERR NRF_LOG_ERROR /**< Used for logging errors in the module. */ +#define FSTATIC_DUMP NRF_LOG_HEXDUMP_DEBUG /**< Used for dumping octet information to get details of bond information etc. */ + +#else // IOT_FILE_CONFIG_LOG_ENABLED + +#define FSTATIC_TRC(...) /**< Disables traces. */ +#define FSTATIC_DUMP(...) /**< Disables dumping of octet streams. */ +#define FSTATIC_ERR(...) /**< Disables error logs. */ + +#endif // IOT_FILE_CONFIG_LOG_ENABLED + +/** + * @defgroup api_param_check API Parameters check macros. + * + * @details Macros that verify parameters passed to the module in the APIs. These macros + * could be mapped to nothing in final versions of code to save execution and size. + * IOT_FILE_STATIC_DISABLE_API_PARAM_CHECK should be set to 0 to enable these checks. + * + * @{ + */ + +#if (IOT_FILE_DISABLE_API_PARAM_CHECK == 0) + +/**@brief Verify NULL parameters are not passed to API by application. */ +#define NULL_PARAM_CHECK(PARAM) \ + if ((PARAM) == NULL) \ + { \ + return (NRF_ERROR_NULL | IOT_FILE_ERR_BASE); \ + } + +#else // IOT_FILE_DISABLE_API_PARAM_CHECK + +#define NULL_PARAM_CHECK(PARAM) + +#endif // IOT_FILE_DISABLE_API_PARAM_CHECK +/** @} */ + +#define CHECK_CURSOR(PARAM) \ + if ((PARAM) == IOT_FILE_INVALID_CURSOR) \ + { \ + return (NRF_ERROR_INVALID_STATE | IOT_FILE_ERR_BASE); \ + } + +/**@brief Static buffer fwrite port function definition. */ +static uint32_t internal_fwrite(iot_file_t * p_file, const void * p_data, uint32_t size) +{ + NULL_PARAM_CHECK(p_data); + CHECK_CURSOR(p_file->cursor); + + if ((size + p_file->cursor) > p_file->buffer_size) + { + return (NRF_ERROR_DATA_SIZE | IOT_FILE_ERR_BASE); + } + + memcpy(((uint8_t *)p_file->p_buffer + p_file->cursor), p_data, size); + p_file->cursor += size; + + if (p_file->cursor > p_file->file_size) + { + p_file->file_size = p_file->cursor; + } + + return NRF_SUCCESS; +} + + +/**@brief Static buffer fread port function definition. */ +static uint32_t internal_fread(iot_file_t * p_file, void * p_data, uint32_t size) +{ + NULL_PARAM_CHECK(p_data); + CHECK_CURSOR(p_file->cursor); + + if (size + p_file->cursor > p_file->file_size) + { + return (NRF_ERROR_DATA_SIZE | IOT_FILE_ERR_BASE); + } + + memcpy(p_data, (uint8_t *)p_file->p_buffer + p_file->cursor, size); + p_file->cursor += size; + + return NRF_SUCCESS; +} + + +/**@brief Static ftell port function definition. */ +static uint32_t internal_ftell(iot_file_t * p_file, uint32_t * p_cursor) +{ + NULL_PARAM_CHECK(p_cursor); + CHECK_CURSOR(p_file->cursor); + + *p_cursor = p_file->cursor; + + return NRF_SUCCESS; +} + + +/**@brief Static fseek port function definition. */ +static uint32_t internal_fseek(iot_file_t * p_file, uint32_t cursor) +{ + CHECK_CURSOR(p_file->cursor); + + if (cursor > p_file->buffer_size) + { + FSTATIC_ERR("Cursor outside file!"); + return (NRF_ERROR_INVALID_PARAM | IOT_FILE_ERR_BASE); + } + + p_file->cursor = cursor; + + return NRF_SUCCESS; +} + + +/**@brief Static frewind port function definition. */ +static uint32_t internal_frewind(iot_file_t * p_file) +{ + CHECK_CURSOR(p_file->cursor); + + p_file->cursor = 0; + + return NRF_SUCCESS; +} + + +/**@brief Static fopen port function definition. */ +static uint32_t internal_fopen(iot_file_t * p_file, uint32_t requested_size) +{ + p_file->cursor = 0; + + if (requested_size != 0) + { + p_file->file_size = requested_size; + } + + return NRF_SUCCESS; +} + + +/**@brief Static fclose port function definition. */ +static uint32_t internal_fclose(iot_file_t * p_file) +{ + p_file->cursor = IOT_FILE_INVALID_CURSOR; + + return NRF_SUCCESS; +} + + +/**@brief This function is used to assign correct callbacks and file type to passed IoT File instance. */ +void iot_file_static_assign(iot_file_t * p_file) +{ + if (p_file == NULL) + { + return; + } + + p_file->type = IOT_FILE_TYPE_STATIC; + p_file->write = internal_fwrite; + p_file->read = internal_fread; + p_file->tell = internal_ftell; + p_file->seek = internal_fseek; + p_file->rewind = internal_frewind; + p_file->open = internal_fopen; + p_file->close = internal_fclose; +} |