115 lines
4.7 KiB
C
115 lines
4.7 KiB
C
|
/**
|
||
|
|
* Copyright (c) 2017 - 2020, 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.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
#ifndef NRF_FPRINTF_H__
|
||
|
|
#define NRF_FPRINTF_H__
|
||
|
|
|
||
|
|
#include <stdbool.h>
|
||
|
|
#include <stddef.h>
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
typedef void (* nrf_fprintf_fwrite)(void const * p_user_ctx, char const * p_str, size_t length);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief fprintf context
|
||
|
|
*/
|
||
|
|
typedef struct nrf_fprintf_ctx
|
||
|
|
{
|
||
|
|
char * const p_io_buffer; ///< Pointer to IO buffer.
|
||
|
|
size_t const io_buffer_size; ///< IO buffer size.
|
||
|
|
size_t io_buffer_cnt; ///< IO buffer usage.
|
||
|
|
bool auto_flush; ///< Auto flush configurator.
|
||
|
|
|
||
|
|
void const * const p_user_ctx; ///< Pointer to user data to be passed to the fwrite funciton.
|
||
|
|
|
||
|
|
nrf_fprintf_fwrite fwrite; ///< Pointer to function sending data stream.
|
||
|
|
} nrf_fprintf_ctx_t;
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Macro for defining nrf_fprintf instance.
|
||
|
|
*
|
||
|
|
* @param name Instance name.
|
||
|
|
* @param _p_user_ctx Pointer to user data.
|
||
|
|
* @param _p_io_buffer Pointer to IO buffer
|
||
|
|
* @param _io_buffer_size Size of IO buffer.
|
||
|
|
* @param _auto_flush Indicator if IO buffer shall be automatically flush.
|
||
|
|
* @param _fwrite Pointer to function sending data stream.
|
||
|
|
* */
|
||
|
|
#define NRF_FPRINTF_DEF(name, _p_user_ctx, _p_io_buffer, _io_buffer_size, _auto_flush, _fwrite) \
|
||
|
|
static nrf_fprintf_ctx_t name = \
|
||
|
|
{ \
|
||
|
|
.p_io_buffer = _p_io_buffer, \
|
||
|
|
.io_buffer_size = _io_buffer_size, \
|
||
|
|
.io_buffer_cnt = 0, \
|
||
|
|
.auto_flush = _auto_flush, \
|
||
|
|
.p_user_ctx = _p_user_ctx, \
|
||
|
|
.fwrite = _fwrite \
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief fprintf like function which send formated data stream to output specified by user
|
||
|
|
* @ref nrf_fprintf_ctx_t
|
||
|
|
*
|
||
|
|
* @param p_ctx fprintf context.
|
||
|
|
* @param p_fmt Format string.
|
||
|
|
* @param ... List of parameters to print.
|
||
|
|
* */
|
||
|
|
void nrf_fprintf(nrf_fprintf_ctx_t * const p_ctx,
|
||
|
|
char const * p_fmt,
|
||
|
|
...);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief function flushing data stored in io_buffer @ref nrf_fprintf_ctx_t
|
||
|
|
*
|
||
|
|
* @param p_ctx fprintf context
|
||
|
|
*/
|
||
|
|
void nrf_fprintf_buffer_flush(nrf_fprintf_ctx_t * const p_ctx);
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* NRF_FPRINTF_H__ */
|
||
|
|
|