LCOV - code coverage report
Current view: top level - zephyr/shell - shell_fprintf.h Coverage Total Hit
Test: new.info Lines: 9.1 % 11 1
Test Date: 2025-09-05 16:43:28

            Line data    Source code
       1            0 : /*
       2              :  * Copyright (c) 2018 Nordic Semiconductor ASA
       3              :  *
       4              :  * SPDX-License-Identifier: Apache-2.0
       5              :  */
       6              : 
       7              : #ifndef ZEPHYR_INCLUDE_SHELL_FPRINTF_H_
       8              : #define ZEPHYR_INCLUDE_SHELL_FPRINTF_H_
       9              : 
      10              : #include <zephyr/kernel.h>
      11              : #include <stdbool.h>
      12              : #include <stddef.h>
      13              : 
      14              : #ifdef __cplusplus
      15              : extern "C" {
      16              : #endif
      17              : 
      18            0 : typedef void (*shell_fprintf_fwrite)(const void *user_ctx,
      19              :                                      const char *data,
      20              :                                      size_t length);
      21              : 
      22            0 : struct shell_fprintf_control_block {
      23            0 :         size_t buffer_cnt;
      24            0 :         bool autoflush;
      25              : };
      26              : /**
      27              :  * @brief fprintf context
      28              :  */
      29            1 : struct shell_fprintf {
      30            0 :         uint8_t *buffer;
      31            0 :         size_t buffer_size;
      32            0 :         shell_fprintf_fwrite fwrite;
      33            0 :         const void *user_ctx;
      34            0 :         struct shell_fprintf_control_block *ctrl_blk;
      35              : };
      36              : 
      37              : /**
      38              :  * @brief Macro for defining shell_fprintf instance.
      39              :  *
      40              :  * @param _name         Instance name.
      41              :  * @param _user_ctx     Pointer to user data.
      42              :  * @param _buf          Pointer to output buffer
      43              :  * @param _size         Size of output buffer.
      44              :  * @param _autoflush    Indicator if buffer shall be automatically flush.
      45              :  * @param _fwrite       Pointer to function sending data stream.
      46              :  */
      47              : #define Z_SHELL_FPRINTF_DEFINE(_name, _user_ctx, _buf, _size,   \
      48              :                             _autoflush, _fwrite)                \
      49              :         static struct shell_fprintf_control_block               \
      50              :                                 _name##_shell_fprintf_ctx = {   \
      51              :                 .autoflush = _autoflush,                        \
      52              :                 .buffer_cnt = 0                                 \
      53              :         };                                                      \
      54              :         static const struct shell_fprintf _name = {             \
      55              :                 .buffer = _buf,                                 \
      56              :                 .buffer_size = _size,                           \
      57              :                 .fwrite = _fwrite,                              \
      58              :                 .user_ctx = _user_ctx,                          \
      59              :                 .ctrl_blk = &_name##_shell_fprintf_ctx              \
      60              :         }
      61              : 
      62              : /**
      63              :  * @brief fprintf like function which send formatted data stream to output.
      64              :  *
      65              :  * @param sh_fprintf    fprintf instance.
      66              :  * @param fmt           Format string.
      67              :  * @param args          List of parameters to print.
      68              :  */
      69              : void z_shell_fprintf_fmt(const struct shell_fprintf *sh_fprintf,
      70              :                          char const *fmt, va_list args);
      71              : 
      72              : /**
      73              :  * @brief function flushing data stored in io_buffer.
      74              :  *
      75              :  * @param sh_fprintf    fprintf instance
      76              :  */
      77              : void z_shell_fprintf_buffer_flush(const struct shell_fprintf *sh_fprintf);
      78              : 
      79              : #ifdef __cplusplus
      80              : }
      81              : #endif
      82              : 
      83              : #endif /* ZEPHYR_INCLUDE_SHELL_FPRINTF_H_ */
        

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