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109 lines
4.8 KiB
C
109 lines
4.8 KiB
C
/*
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* FreeRTOS+CLI V1.0.4
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* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* http://www.FreeRTOS.org
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* http://aws.amazon.com/freertos
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*
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* 1 tab == 4 spaces!
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*/
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#ifndef COMMAND_INTERPRETER_H
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#define COMMAND_INTERPRETER_H
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/* This config should be defined in FreeRTOSConfig.h. But due to the limition of CubeMX I put it here. */
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#define configCOMMAND_INT_MAX_OUTPUT_SIZE 512
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/* The prototype to which callback functions used to process command line
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commands must comply. pcWriteBuffer is a buffer into which the output from
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executing the command can be written, xWriteBufferLen is the length, in bytes of
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the pcWriteBuffer buffer, and pcCommandString is the entire string as input by
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the user (from which parameters can be extracted).*/
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typedef BaseType_t (*pdCOMMAND_LINE_CALLBACK)( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
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/* The structure that defines command line commands. A command line command
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should be defined by declaring a const structure of this type. */
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typedef struct xCOMMAND_LINE_INPUT
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{
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const char * const pcCommand; /* The command that causes pxCommandInterpreter to be executed. For example "help". Must be all lower case. */
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const char * const pcHelpString; /* String that describes how to use the command. Should start with the command itself, and end with "\r\n". For example "help: Returns a list of all the commands\r\n". */
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const pdCOMMAND_LINE_CALLBACK pxCommandInterpreter; /* A pointer to the callback function that will return the output generated by the command. */
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int8_t cExpectedNumberOfParameters; /* Commands expect a fixed number of parameters, which may be zero. */
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} CLI_Command_Definition_t;
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/* For backward compatibility. */
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#define xCommandLineInput CLI_Command_Definition_t
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/*
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* Register the command passed in using the pxCommandToRegister parameter.
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* Registering a command adds the command to the list of commands that are
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* handled by the command interpreter. Once a command has been registered it
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* can be executed from the command line.
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*/
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BaseType_t FreeRTOS_CLIRegisterCommand( const CLI_Command_Definition_t * const pxCommandToRegister );
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/*
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* Runs the command interpreter for the command string "pcCommandInput". Any
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* output generated by running the command will be placed into pcWriteBuffer.
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* xWriteBufferLen must indicate the size, in bytes, of the buffer pointed to
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* by pcWriteBuffer.
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*
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* FreeRTOS_CLIProcessCommand should be called repeatedly until it returns pdFALSE.
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*
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* pcCmdIntProcessCommand is not reentrant. It must not be called from more
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* than one task - or at least - by more than one task at a time.
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*/
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BaseType_t FreeRTOS_CLIProcessCommand( const char * const pcCommandInput, char * pcWriteBuffer, size_t xWriteBufferLen );
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/*---------------------------------------------------------- */
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/*
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* A buffer into which command outputs can be written is declared in the
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* main command interpreter, rather than in the command console implementation,
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* to allow application that provide access to the command console via multiple
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* interfaces to share a buffer, and therefore save RAM. Note, however, that
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* the command interpreter itself is not re-entrant, so only one command
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* console interface can be used at any one time. For that reason, no attempt
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* is made to provide any mutual exclusion mechanism on the output buffer.
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*
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* FreeRTOS_CLIGetOutputBuffer() returns the address of the output buffer.
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*/
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char *FreeRTOS_CLIGetOutputBuffer( void );
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/*
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* Return a pointer to the xParameterNumber'th word in pcCommandString.
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*/
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const char *FreeRTOS_CLIGetParameter( const char *pcCommandString, UBaseType_t uxWantedParameter, BaseType_t *pxParameterStringLength );
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#endif /* COMMAND_INTERPRETER_H */
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