forked from test34/can_wizard
396 lines
14 KiB
C
396 lines
14 KiB
C
/*
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* SPDX-FileCopyrightText: 2016-2021 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stddef.h>
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#include "sdkconfig.h"
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#include "esp_heap_caps.h"
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#include "esp_err.h"
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// Forward declaration. Definition in linenoise/linenoise.h.
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typedef struct linenoiseCompletions linenoiseCompletions;
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/**
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* @brief Parameters for console initialization
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*/
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typedef struct {
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size_t max_cmdline_length; //!< length of command line buffer, in bytes
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size_t max_cmdline_args; //!< maximum number of command line arguments to parse
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uint32_t heap_alloc_caps; //!< where to (e.g. MALLOC_CAP_SPIRAM) allocate heap objects such as cmds used by esp_console
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int hint_color; //!< ASCII color code of hint text
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int hint_bold; //!< Set to 1 to print hint text in bold
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} esp_console_config_t;
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/**
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* @brief Default console configuration value
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*
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*/
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#define ESP_CONSOLE_CONFIG_DEFAULT() \
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{ \
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.max_cmdline_length = 256, \
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.max_cmdline_args = 32, \
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.heap_alloc_caps = MALLOC_CAP_DEFAULT, \
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.hint_color = 39, \
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.hint_bold = 0 \
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}
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/**
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* @brief Parameters for console REPL (Read Eval Print Loop)
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*
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*/
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typedef struct {
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uint32_t max_history_len; //!< maximum length for the history
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const char *history_save_path; //!< file path used to save history commands, set to NULL won't save to file system
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uint32_t task_stack_size; //!< repl task stack size
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uint32_t task_priority; //!< repl task priority
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const char *prompt; //!< prompt (NULL represents default: "esp> ")
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size_t max_cmdline_length; //!< maximum length of a command line. If 0, default value will be used
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} esp_console_repl_config_t;
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/**
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* @brief Default console repl configuration value
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*
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*/
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#define ESP_CONSOLE_REPL_CONFIG_DEFAULT() \
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{ \
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.max_history_len = 32, \
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.history_save_path = NULL, \
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.task_stack_size = 4096, \
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.task_priority = 2, \
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.prompt = NULL, \
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.max_cmdline_length = 0, \
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}
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#if CONFIG_ESP_CONSOLE_UART_DEFAULT || CONFIG_ESP_CONSOLE_UART_CUSTOM
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/**
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* @brief Parameters for console device: UART
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*
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*/
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typedef struct {
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int channel; //!< UART channel number (count from zero)
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int baud_rate; //!< Comunication baud rate
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int tx_gpio_num; //!< GPIO number for TX path, -1 means using default one
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int rx_gpio_num; //!< GPIO number for RX path, -1 means using default one
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} esp_console_dev_uart_config_t;
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#if CONFIG_ESP_CONSOLE_UART_CUSTOM
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#define ESP_CONSOLE_DEV_UART_CONFIG_DEFAULT() \
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{ \
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.channel = CONFIG_ESP_CONSOLE_UART_NUM, \
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.baud_rate = CONFIG_ESP_CONSOLE_UART_BAUDRATE, \
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.tx_gpio_num = CONFIG_ESP_CONSOLE_UART_TX_GPIO, \
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.rx_gpio_num = CONFIG_ESP_CONSOLE_UART_RX_GPIO, \
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}
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#else
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#define ESP_CONSOLE_DEV_UART_CONFIG_DEFAULT() \
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{ \
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.channel = CONFIG_ESP_CONSOLE_UART_NUM, \
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.baud_rate = CONFIG_ESP_CONSOLE_UART_BAUDRATE, \
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.tx_gpio_num = -1, \
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.rx_gpio_num = -1, \
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}
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#endif // CONFIG_ESP_CONSOLE_UART_CUSTOM
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#endif // CONFIG_ESP_CONSOLE_UART_DEFAULT || CONFIG_ESP_CONSOLE_UART_CUSTOM
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#if CONFIG_ESP_CONSOLE_USB_CDC || (defined __DOXYGEN__ && SOC_USB_OTG_SUPPORTED)
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/**
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* @brief Parameters for console device: USB CDC
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*
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* @note It's an empty structure for now, reserved for future
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*
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*/
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typedef struct {
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} esp_console_dev_usb_cdc_config_t;
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#define ESP_CONSOLE_DEV_CDC_CONFIG_DEFAULT() {}
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#endif // CONFIG_ESP_CONSOLE_USB_CDC || (defined __DOXYGEN__ && SOC_USB_OTG_SUPPORTED)
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#if CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG || (defined __DOXYGEN__ && SOC_USB_SERIAL_JTAG_SUPPORTED)
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/**
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* @brief Parameters for console device: USB-SERIAL-JTAG
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*
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* @note It's an empty structure for now, reserved for future
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*
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*/
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typedef struct {
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} esp_console_dev_usb_serial_jtag_config_t;
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#define ESP_CONSOLE_DEV_USB_SERIAL_JTAG_CONFIG_DEFAULT() {}
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#endif // CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG || (defined __DOXYGEN__ && SOC_USB_SERIAL_JTAG_SUPPORTED)
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/**
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* @brief initialize console module
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* @param config console configuration
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* @note Call this once before using other console module features
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* @return
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* - ESP_OK on success
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* - ESP_ERR_NO_MEM if out of memory
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* - ESP_ERR_INVALID_STATE if already initialized
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* - ESP_ERR_INVALID_ARG if the configuration is invalid
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*/
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esp_err_t esp_console_init(const esp_console_config_t *config);
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/**
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* @brief de-initialize console module
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* @note Call this once when done using console module functions
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* @return
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* - ESP_OK on success
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* - ESP_ERR_INVALID_STATE if not initialized yet
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*/
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esp_err_t esp_console_deinit(void);
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/**
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* @brief Console command main function
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* @param argc number of arguments
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* @param argv array with argc entries, each pointing to a zero-terminated string argument
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* @return console command return code, 0 indicates "success"
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*/
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typedef int (*esp_console_cmd_func_t)(int argc, char **argv);
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/**
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* @brief Console command description
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*/
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typedef struct {
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/**
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* Command name. Must not be NULL, must not contain spaces.
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* The pointer must be valid until the call to esp_console_deinit.
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*/
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const char *command;
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/**
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* Help text for the command, shown by help command.
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* If set, the pointer must be valid until the call to esp_console_deinit.
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* If not set, the command will not be listed in 'help' output.
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*/
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const char *help;
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/**
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* Hint text, usually lists possible arguments.
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* If set to NULL, and 'argtable' field is non-NULL, hint will be generated
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* automatically
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*/
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const char *hint;
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/**
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* Pointer to a function which implements the command.
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*/
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esp_console_cmd_func_t func;
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/**
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* Array or structure of pointers to arg_xxx structures, may be NULL.
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* Used to generate hint text if 'hint' is set to NULL.
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* Array/structure which this field points to must end with an arg_end.
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* Only used for the duration of esp_console_cmd_register call.
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*/
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void *argtable;
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} esp_console_cmd_t;
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/**
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* @brief Register console command
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* @param cmd pointer to the command description; can point to a temporary value
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* @return
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* - ESP_OK on success
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* - ESP_ERR_NO_MEM if out of memory
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* - ESP_ERR_INVALID_ARG if command description includes invalid arguments
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*/
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esp_err_t esp_console_cmd_register(const esp_console_cmd_t *cmd);
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/**
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* @brief Run command line
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* @param cmdline command line (command name followed by a number of arguments)
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* @param[out] cmd_ret return code from the command (set if command was run)
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* @return
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* - ESP_OK, if command was run
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* - ESP_ERR_INVALID_ARG, if the command line is empty, or only contained
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* whitespace
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* - ESP_ERR_NOT_FOUND, if command with given name wasn't registered
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* - ESP_ERR_INVALID_STATE, if esp_console_init wasn't called
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*/
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esp_err_t esp_console_run(const char *cmdline, int *cmd_ret);
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/**
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* @brief Split command line into arguments in place
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* @verbatim
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* - This function finds whitespace-separated arguments in the given input line.
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*
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* 'abc def 1 20 .3' -> [ 'abc', 'def', '1', '20', '.3' ]
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*
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* - Argument which include spaces may be surrounded with quotes. In this case
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* spaces are preserved and quotes are stripped.
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*
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* 'abc "123 456" def' -> [ 'abc', '123 456', 'def' ]
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*
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* - Escape sequences may be used to produce backslash, double quote, and space:
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*
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* 'a\ b\\c\"' -> [ 'a b\c"' ]
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* @endverbatim
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* @note Pointers to at most argv_size - 1 arguments are returned in argv array.
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* The pointer after the last one (i.e. argv[argc]) is set to NULL.
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*
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* @param line pointer to buffer to parse; it is modified in place
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* @param argv array where the pointers to arguments are written
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* @param argv_size number of elements in argv_array (max. number of arguments)
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* @return number of arguments found (argc)
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*/
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size_t esp_console_split_argv(char *line, char **argv, size_t argv_size);
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/**
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* @brief Callback which provides command completion for linenoise library
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*
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* When using linenoise for line editing, command completion support
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* can be enabled like this:
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*
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* linenoiseSetCompletionCallback(&esp_console_get_completion);
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*
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* @param buf the string typed by the user
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* @param lc linenoiseCompletions to be filled in
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*/
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void esp_console_get_completion(const char *buf, linenoiseCompletions *lc);
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/**
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* @brief Callback which provides command hints for linenoise library
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*
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* When using linenoise for line editing, hints support can be enabled as
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* follows:
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*
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* linenoiseSetHintsCallback((linenoiseHintsCallback*) &esp_console_get_hint);
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*
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* The extra cast is needed because linenoiseHintsCallback is defined as
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* returning a char* instead of const char*.
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*
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* @param buf line typed by the user
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* @param[out] color ANSI color code to be used when displaying the hint
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* @param[out] bold set to 1 if hint has to be displayed in bold
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* @return string containing the hint text. This string is persistent and should
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* not be freed (i.e. linenoiseSetFreeHintsCallback should not be used).
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*/
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const char *esp_console_get_hint(const char *buf, int *color, int *bold);
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/**
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* @brief Register a 'help' command
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*
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* Default 'help' command prints the list of registered commands along with
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* hints and help strings if no additional argument is given. If an additional
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* argument is given, the help command will look for a command with the same
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* name and only print the hints and help strings of that command.
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*
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* @return
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* - ESP_OK on success
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* - ESP_ERR_INVALID_STATE, if esp_console_init wasn't called
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*/
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esp_err_t esp_console_register_help_command(void);
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/******************************************************************************
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* Console REPL
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******************************************************************************/
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/**
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* @brief Type defined for console REPL
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*
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*/
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typedef struct esp_console_repl_s esp_console_repl_t;
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/**
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* @brief Console REPL base structure
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*
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*/
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struct esp_console_repl_s {
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/**
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* @brief Delete console REPL environment
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* @param[in] repl REPL handle returned from esp_console_new_repl_xxx
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* @return
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* - ESP_OK on success
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* - ESP_FAIL on errors
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*/
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esp_err_t (*del)(esp_console_repl_t *repl);
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};
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#if CONFIG_ESP_CONSOLE_UART_DEFAULT || CONFIG_ESP_CONSOLE_UART_CUSTOM
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/**
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* @brief Establish a console REPL environment over UART driver
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*
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* @param[in] dev_config UART device configuration
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* @param[in] repl_config REPL configuration
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* @param[out] ret_repl return REPL handle after initialization succeed, return NULL otherwise
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*
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* @note This is an all-in-one function to establish the environment needed for REPL, includes:
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* - Install the UART driver on the console UART (8n1, 115200, REF_TICK clock source)
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* - Configures the stdin/stdout to go through the UART driver
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* - Initializes linenoise
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* - Spawn new thread to run REPL in the background
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*
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* @attention This function is meant to be used in the examples to make the code more compact.
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* Applications which use console functionality should be based on
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* the underlying linenoise and esp_console functions.
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*
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* @return
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* - ESP_OK on success
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* - ESP_FAIL Parameter error
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*/
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esp_err_t esp_console_new_repl_uart(const esp_console_dev_uart_config_t *dev_config, const esp_console_repl_config_t *repl_config, esp_console_repl_t **ret_repl);
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#endif // CONFIG_ESP_CONSOLE_UART_DEFAULT || CONFIG_ESP_CONSOLE_UART_CUSTOM
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#if CONFIG_ESP_CONSOLE_USB_CDC || (defined __DOXYGEN__ && SOC_USB_OTG_SUPPORTED)
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/**
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* @brief Establish a console REPL environment over USB CDC
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*
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* @param[in] dev_config USB CDC configuration
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* @param[in] repl_config REPL configuration
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* @param[out] ret_repl return REPL handle after initialization succeed, return NULL otherwise
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*
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* @note This is a all-in-one function to establish the environment needed for REPL, includes:
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* - Initializes linenoise
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* - Spawn new thread to run REPL in the background
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*
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* @attention This function is meant to be used in the examples to make the code more compact.
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* Applications which use console functionality should be based on
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* the underlying linenoise and esp_console functions.
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*
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* @return
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* - ESP_OK on success
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* - ESP_FAIL Parameter error
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*/
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esp_err_t esp_console_new_repl_usb_cdc(const esp_console_dev_usb_cdc_config_t *dev_config, const esp_console_repl_config_t *repl_config, esp_console_repl_t **ret_repl);
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#endif // CONFIG_ESP_CONSOLE_USB_CDC || (defined __DOXYGEN__ && SOC_USB_OTG_SUPPORTED)
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#if CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG || (defined __DOXYGEN__ && SOC_USB_SERIAL_JTAG_SUPPORTED)
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/**
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* @brief Establish a console REPL (Read-eval-print loop) environment over USB-SERIAL-JTAG
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*
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* @param[in] dev_config USB-SERIAL-JTAG configuration
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* @param[in] repl_config REPL configuration
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* @param[out] ret_repl return REPL handle after initialization succeed, return NULL otherwise
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*
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* @note This is an all-in-one function to establish the environment needed for REPL, includes:
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* - Initializes linenoise
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* - Spawn new thread to run REPL in the background
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*
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* @attention This function is meant to be used in the examples to make the code more compact.
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* Applications which use console functionality should be based on
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* the underlying linenoise and esp_console functions.
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*
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* @return
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* - ESP_OK on success
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* - ESP_FAIL Parameter error
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*/
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esp_err_t esp_console_new_repl_usb_serial_jtag(const esp_console_dev_usb_serial_jtag_config_t *dev_config, const esp_console_repl_config_t *repl_config, esp_console_repl_t **ret_repl);
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#endif // CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG || (defined __DOXYGEN__ && SOC_USB_SERIAL_JTAG_SUPPORTED)
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/**
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* @brief Start REPL environment
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* @param[in] repl REPL handle returned from esp_console_new_repl_xxx
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* @note Once the REPL gets started, it won't be stopped until the user calls repl->del(repl) to destroy the REPL environment.
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* @return
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* - ESP_OK on success
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* - ESP_ERR_INVALID_STATE, if repl has started already
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*/
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esp_err_t esp_console_start_repl(esp_console_repl_t *repl);
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#ifdef __cplusplus
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}
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#endif
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