mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
317 lines
11 KiB
C
317 lines
11 KiB
C
// Copyright 2016-2019 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
#pragma once
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <stddef.h>
|
|
#include "sdkconfig.h"
|
|
#include "esp_err.h"
|
|
|
|
// Forward declaration. Definition in linenoise/linenoise.h.
|
|
typedef struct linenoiseCompletions linenoiseCompletions;
|
|
|
|
/**
|
|
* @brief Parameters for console initialization
|
|
*/
|
|
typedef struct {
|
|
size_t max_cmdline_length; //!< length of command line buffer, in bytes
|
|
size_t max_cmdline_args; //!< maximum number of command line arguments to parse
|
|
int hint_color; //!< ASCII color code of hint text
|
|
int hint_bold; //!< Set to 1 to print hint text in bold
|
|
} esp_console_config_t;
|
|
|
|
/**
|
|
* @brief Default console configuration value
|
|
*
|
|
*/
|
|
#define ESP_CONSOLE_CONFIG_DEFAULT() \
|
|
{ \
|
|
.max_cmdline_length = 256, \
|
|
.max_cmdline_args = 32, \
|
|
.hint_color = 39, \
|
|
.hint_bold = 0 \
|
|
}
|
|
|
|
/**
|
|
* @brief Parameters for console REPL (Read Eval Print Loop)
|
|
*
|
|
*/
|
|
typedef struct {
|
|
uint32_t max_history_len; //!< maximum length for the history
|
|
const char *history_save_path; //!< file path used to save history commands, set to NULL won't save to file system
|
|
uint32_t task_stack_size; //!< repl task stack size
|
|
uint32_t task_priority; //!< repl task priority
|
|
const char *prompt; //!< prompt (NULL represents default: "esp> ")
|
|
union {
|
|
struct {
|
|
int channel; //!< UART channel
|
|
uint32_t baud_rate; //!< Comunication baud rate
|
|
int tx_gpio; //!< GPIO number for TX path, -1 means using the default
|
|
int rx_gpio; //!< GPIO number for RX path, -1 means using the default
|
|
} uart; //!< UART specific configuration
|
|
} device; //!< device configuration
|
|
} esp_console_repl_config_t;
|
|
|
|
#ifdef CONFIG_ESP_CONSOLE_UART_NUM
|
|
#define CONSOLE_DEFAULT_UART_CHANNEL CONFIG_ESP_CONSOLE_UART_NUM
|
|
#else
|
|
#define CONSOLE_DEFAULT_UART_CHANNEL 0
|
|
#endif
|
|
|
|
#ifdef CONFIG_ESP_CONSOLE_UART_BAUDRATE
|
|
#define CONSOLE_DEFAULT_UART_BAUDRATE CONFIG_ESP_CONSOLE_UART_BAUDRATE
|
|
#else
|
|
#define CONSOLE_DEFAULT_UART_BAUDRATE 115200
|
|
#endif
|
|
|
|
#ifdef CONFIG_ESP_CONSOLE_UART_TX_GPIO
|
|
#define CONSOLE_DEFAULT_UART_TX_GPIO CONFIG_ESP_CONSOLE_UART_TX_GPIO
|
|
#else
|
|
#define CONSOLE_DEFAULT_UART_TX_GPIO 1
|
|
#endif
|
|
|
|
#ifdef CONFIG_ESP_CONSOLE_UART_RX_GPIO
|
|
#define CONSOLE_DEFAULT_UART_RX_GPIO CONFIG_ESP_CONSOLE_UART_RX_GPIO
|
|
#else
|
|
#define CONSOLE_DEFAULT_UART_RX_GPIO 3
|
|
#endif
|
|
|
|
/**
|
|
* @brief Default console repl configuration value
|
|
*
|
|
*/
|
|
#define ESP_CONSOLE_REPL_CONFIG_DEFAULT() \
|
|
{ \
|
|
.max_history_len = 32, \
|
|
.history_save_path = NULL, \
|
|
.task_stack_size = 4096, \
|
|
.task_priority = 2, \
|
|
.prompt = NULL, \
|
|
.device = { \
|
|
.uart = { \
|
|
.channel = CONSOLE_DEFAULT_UART_CHANNEL, \
|
|
.baud_rate = CONSOLE_DEFAULT_UART_BAUDRATE, \
|
|
.tx_gpio = CONSOLE_DEFAULT_UART_TX_GPIO, \
|
|
.rx_gpio = CONSOLE_DEFAULT_UART_RX_GPIO, \
|
|
} \
|
|
} \
|
|
}
|
|
|
|
/**
|
|
* @brief initialize console module
|
|
* @param config console configuration
|
|
* @note Call this once before using other console module features
|
|
* @return
|
|
* - ESP_OK on success
|
|
* - ESP_ERR_NO_MEM if out of memory
|
|
* - ESP_ERR_INVALID_STATE if already initialized
|
|
* - ESP_ERR_INVALID_ARG if the configuration is invalid
|
|
*/
|
|
esp_err_t esp_console_init(const esp_console_config_t *config);
|
|
|
|
/**
|
|
* @brief de-initialize console module
|
|
* @note Call this once when done using console module functions
|
|
* @return
|
|
* - ESP_OK on success
|
|
* - ESP_ERR_INVALID_STATE if not initialized yet
|
|
*/
|
|
esp_err_t esp_console_deinit(void);
|
|
|
|
/**
|
|
* @brief Console command main function
|
|
* @param argc number of arguments
|
|
* @param argv array with argc entries, each pointing to a zero-terminated string argument
|
|
* @return console command return code, 0 indicates "success"
|
|
*/
|
|
typedef int (*esp_console_cmd_func_t)(int argc, char **argv);
|
|
|
|
/**
|
|
* @brief Console command description
|
|
*/
|
|
typedef struct {
|
|
/**
|
|
* Command name. Must not be NULL, must not contain spaces.
|
|
* The pointer must be valid until the call to esp_console_deinit.
|
|
*/
|
|
const char *command;
|
|
/**
|
|
* Help text for the command, shown by help command.
|
|
* If set, the pointer must be valid until the call to esp_console_deinit.
|
|
* If not set, the command will not be listed in 'help' output.
|
|
*/
|
|
const char *help;
|
|
/**
|
|
* Hint text, usually lists possible arguments.
|
|
* If set to NULL, and 'argtable' field is non-NULL, hint will be generated
|
|
* automatically
|
|
*/
|
|
const char *hint;
|
|
/**
|
|
* Pointer to a function which implements the command.
|
|
*/
|
|
esp_console_cmd_func_t func;
|
|
/**
|
|
* Array or structure of pointers to arg_xxx structures, may be NULL.
|
|
* Used to generate hint text if 'hint' is set to NULL.
|
|
* Array/structure which this field points to must end with an arg_end.
|
|
* Only used for the duration of esp_console_cmd_register call.
|
|
*/
|
|
void *argtable;
|
|
} esp_console_cmd_t;
|
|
|
|
/**
|
|
* @brief Register console command
|
|
* @param cmd pointer to the command description; can point to a temporary value
|
|
* @return
|
|
* - ESP_OK on success
|
|
* - ESP_ERR_NO_MEM if out of memory
|
|
* - ESP_ERR_INVALID_ARG if command description includes invalid arguments
|
|
*/
|
|
esp_err_t esp_console_cmd_register(const esp_console_cmd_t *cmd);
|
|
|
|
/**
|
|
* @brief Run command line
|
|
* @param cmdline command line (command name followed by a number of arguments)
|
|
* @param[out] cmd_ret return code from the command (set if command was run)
|
|
* @return
|
|
* - ESP_OK, if command was run
|
|
* - ESP_ERR_INVALID_ARG, if the command line is empty, or only contained
|
|
* whitespace
|
|
* - ESP_ERR_NOT_FOUND, if command with given name wasn't registered
|
|
* - ESP_ERR_INVALID_STATE, if esp_console_init wasn't called
|
|
*/
|
|
esp_err_t esp_console_run(const char *cmdline, int *cmd_ret);
|
|
|
|
/**
|
|
* @brief Split command line into arguments in place
|
|
* @verbatim
|
|
* - This function finds whitespace-separated arguments in the given input line.
|
|
*
|
|
* 'abc def 1 20 .3' -> [ 'abc', 'def', '1', '20', '.3' ]
|
|
*
|
|
* - Argument which include spaces may be surrounded with quotes. In this case
|
|
* spaces are preserved and quotes are stripped.
|
|
*
|
|
* 'abc "123 456" def' -> [ 'abc', '123 456', 'def' ]
|
|
*
|
|
* - Escape sequences may be used to produce backslash, double quote, and space:
|
|
*
|
|
* 'a\ b\\c\"' -> [ 'a b\c"' ]
|
|
* @endverbatim
|
|
* @note Pointers to at most argv_size - 1 arguments are returned in argv array.
|
|
* The pointer after the last one (i.e. argv[argc]) is set to NULL.
|
|
*
|
|
* @param line pointer to buffer to parse; it is modified in place
|
|
* @param argv array where the pointers to arguments are written
|
|
* @param argv_size number of elements in argv_array (max. number of arguments)
|
|
* @return number of arguments found (argc)
|
|
*/
|
|
size_t esp_console_split_argv(char *line, char **argv, size_t argv_size);
|
|
|
|
/**
|
|
* @brief Callback which provides command completion for linenoise library
|
|
*
|
|
* When using linenoise for line editing, command completion support
|
|
* can be enabled like this:
|
|
*
|
|
* linenoiseSetCompletionCallback(&esp_console_get_completion);
|
|
*
|
|
* @param buf the string typed by the user
|
|
* @param lc linenoiseCompletions to be filled in
|
|
*/
|
|
void esp_console_get_completion(const char *buf, linenoiseCompletions *lc);
|
|
|
|
/**
|
|
* @brief Callback which provides command hints for linenoise library
|
|
*
|
|
* When using linenoise for line editing, hints support can be enabled as
|
|
* follows:
|
|
*
|
|
* linenoiseSetHintsCallback((linenoiseHintsCallback*) &esp_console_get_hint);
|
|
*
|
|
* The extra cast is needed because linenoiseHintsCallback is defined as
|
|
* returning a char* instead of const char*.
|
|
*
|
|
* @param buf line typed by the user
|
|
* @param[out] color ANSI color code to be used when displaying the hint
|
|
* @param[out] bold set to 1 if hint has to be displayed in bold
|
|
* @return string containing the hint text. This string is persistent and should
|
|
* not be freed (i.e. linenoiseSetFreeHintsCallback should not be used).
|
|
*/
|
|
const char *esp_console_get_hint(const char *buf, int *color, int *bold);
|
|
|
|
/**
|
|
* @brief Register a 'help' command
|
|
*
|
|
* Default 'help' command prints the list of registered commands along with
|
|
* hints and help strings.
|
|
*
|
|
* @return
|
|
* - ESP_OK on success
|
|
* - ESP_ERR_INVALID_STATE, if esp_console_init wasn't called
|
|
*/
|
|
esp_err_t esp_console_register_help_command(void);
|
|
|
|
/******************************************************************************
|
|
* Console REPL
|
|
******************************************************************************/
|
|
/**
|
|
* @brief Initialize console REPL environment
|
|
*
|
|
* @param config REPL configuration
|
|
*
|
|
* @note This is a all-in-one function to establish the environment needed for REPL, includes:
|
|
* - Install the UART driver on the console UART (8n1, 115200, REF_TICK clock source)
|
|
* - Configures the stdin/stdout to go through the UART driver
|
|
* - Initializes linenoise
|
|
* - Spawn new thread to run REPL in the background
|
|
*
|
|
* @attention This function is meant to be used in the examples to make the code more compact.
|
|
* Applications which use console functionality should be based on
|
|
* the underlying linenoise and esp_console functions.
|
|
*
|
|
* @return
|
|
* - ESP_OK on success
|
|
* - ESP_FAIL Parameter error
|
|
*/
|
|
esp_err_t esp_console_repl_init(const esp_console_repl_config_t *config);
|
|
|
|
/**
|
|
* @brief Start REPL task
|
|
*
|
|
* @return
|
|
* - ESP_OK on success
|
|
* - ESP_ERR_INVALID_STATE, if repl has started already
|
|
*/
|
|
esp_err_t esp_console_repl_start(void);
|
|
|
|
/**
|
|
* @brief Register a 'quit' command
|
|
*
|
|
* Default 'quit' command will destory resources and exit REPL environment.
|
|
*
|
|
* @return
|
|
* - ESP_OK on success
|
|
* - others on failed
|
|
*/
|
|
esp_err_t esp_console_register_quit_command(void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|