LCOV - code coverage report
Current view: top level - zephyr/shell - shell_fprintf.h Hit Total Coverage
Test: new.info Lines: 1 11 9.1 %
Date: 2024-12-22 00:14:23

          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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