BaseType_t DEBUG_ProcessCommand( const char * const pcCommandInput, char * pcWriteBuffer, size_t xWriteBufferLen )
{
static const CLI_Definition_List_Item_t *pxCommand = NULL;
BaseType_t xReturn = pdTRUE;
const char *pcRegisteredCommandString;
size_t xCommandStringLength;
//Примечание: Эта функция не может использоваться повторно. Он не должен быть вызван из более чем одной задачи
if( pxCommand == NULL )
{
// Ищем команду в списке команд
for( pxCommand = &xRegisteredCommands; pxCommand != NULL; pxCommand = pxCommand->pxNext )
{
pcRegisteredCommandString = pxCommand->pxCommandLineDefinition->pcCommand;
xCommandStringLength = strlen( pcRegisteredCommandString );
// чтобы не воспринять часть строки как команду Проверим пробел в конце или перед параметром
if( ( pcCommandInput[ xCommandStringLength ] == ' ' ) || ( pcCommandInput[ xCommandStringLength ] == 0x00 ) )
{
if( strncmp( pcCommandInput, pcRegisteredCommandString, xCommandStringLength ) == 0 )
{
// Команда была найдена. Проверьте это имеет ожидаемое количество параметров. Если Ожидаемое число параметров -1, т
// о может быть переменное число параметров и проверка не производится.
if( pxCommand->pxCommandLineDefinition->cExpectedNumberOfParameters >= 0 )
{
if( prvGetNumberOfParameters( pcCommandInput ) != pxCommand->pxCommandLineDefinition->cExpectedNumberOfParameters )
{
xReturn = pdFALSE;
}
}
break;
}
}
}
}
if( ( pxCommand != NULL ) && ( xReturn == pdFALSE ) )
{
// Команда была найдена, но число параметров команды было неправильным.
strncpy( pcWriteBuffer, "Incorrect command parameter(s). Enter \"help\"\r\n\r\n", xWriteBufferLen );
pxCommand = NULL;
}
else if( pxCommand != NULL )
{
// вызываем колбэк найденой команды
xReturn = pxCommand->pxCommandLineDefinition->pxCommandInterpreter( pcWriteBuffer, xWriteBufferLen, pcCommandInput );
// Если возвращение FALSE, то никакие дальнейшие строки не будут возвращены.
if( xReturn == pdFALSE )
{
pxCommand = NULL;
}
}
else
{
// Команда небыла найдена
strncpy( pcWriteBuffer, "\033[1;31mне поддерживается.\033[1;m\r\n\r\n", xWriteBufferLen );
xReturn = pdFALSE;
}
return xReturn;
}
portBASE_TYPE FreeRTOS_CLIProcessCommand( const char * const pcCommandInput, char * pcWriteBuffer, size_t xWriteBufferLen )
{
static const CLI_Definition_List_Item_t *pxCommand = NULL;
portBASE_TYPE xReturn = pdTRUE;
const char *pcRegisteredCommandString;
size_t xCommandStringLength;
/* Note: This function is not re-entrant. It must not be called from more
thank one task. */
if( pxCommand == NULL )
{
/* Search for the command string in the list of registered commands. */
for( pxCommand = &xRegisteredCommands; pxCommand != NULL; pxCommand = pxCommand->pxNext )
{
pcRegisteredCommandString = pxCommand->pxCommandLineDefinition->pcCommand;
xCommandStringLength = strlen( pcRegisteredCommandString );
/* To ensure the string lengths match exactly, so as not to pick up
a sub-string of a longer command, check the byte after the expected
end of the string is either the end of the string or a space before
a parameter. */
if( ( pcCommandInput[ xCommandStringLength ] == ' ' ) || ( pcCommandInput[ xCommandStringLength ] == 0x00 ) )
{
if( strncmp( pcCommandInput, pcRegisteredCommandString, xCommandStringLength ) == 0 )
{
/* The command has been found. Check it has the expected
number of parameters. If cExpectedNumberOfParameters is -1,
then there could be a variable number of parameters and no
check is made. */
if( pxCommand->pxCommandLineDefinition->cExpectedNumberOfParameters >= 0 )
{
if( prvGetNumberOfParameters( pcCommandInput ) != pxCommand->pxCommandLineDefinition->cExpectedNumberOfParameters )
{
xReturn = pdFALSE;
}
}
break;
}
}
}
}
if( ( pxCommand != NULL ) && ( xReturn == pdFALSE ) )
{
/* The command was found, but the number of parameters with the command
was incorrect. */
strncpy( pcWriteBuffer, "Incorrect command parameter(s). Enter \"help\" to view a list of available commands.\r\n\r\n", xWriteBufferLen );
pxCommand = NULL;
}
else if( pxCommand != NULL )
{
/* Call the callback function that is registered to this command. */
xReturn = pxCommand->pxCommandLineDefinition->pxCommandInterpreter( pcWriteBuffer, xWriteBufferLen, pcCommandInput );
/* If xReturn is pdFALSE, then no further strings will be returned
after this one, and pxCommand can be reset to NULL ready to search
for the next entered command. */
if( xReturn == pdFALSE )
{
pxCommand = NULL;
}
}
else
{
/* pxCommand was NULL, the command was not found. */
strncpy( pcWriteBuffer, "Command not recognised. Enter 'help' to view a list of available commands.\r\n\r\n", xWriteBufferLen );
xReturn = pdFALSE;
}
return xReturn;
}
portBASE_TYPE xCmdIntProcessCommand( const signed char * const pcCommandInput, signed char * pcWriteBuffer, size_t xWriteBufferLen )
{
static const xCommandLineInputListItem *pxCommand = NULL;
portBASE_TYPE xReturn = pdTRUE;
const signed char *pcRegisteredCommandString;
/* Note: This function is not re-entrant. It must not be called from more
thank one task. */
if( pxCommand == NULL )
{
/* Search for the command string in the list of registered commands. */
for( pxCommand = &xRegisteredCommands; pxCommand != NULL; pxCommand = pxCommand->pxNext )
{
pcRegisteredCommandString = pxCommand->pxCommandLineDefinition->pcCommand;
if( strncmp( ( const char * ) pcCommandInput, ( const char * ) pcRegisteredCommandString, strlen( ( const char * ) pcRegisteredCommandString ) ) == 0 )
{
/* The command has been found. Check it has the expected
number of parameters. If cExpectedNumberOfParameters is -1,
then there could be a variable number of parameters and no
check is made. */
if( pxCommand->pxCommandLineDefinition->cExpectedNumberOfParameters >= 0 )
{
if( prvGetNumberOfParameters( pcCommandInput ) != pxCommand->pxCommandLineDefinition->cExpectedNumberOfParameters )
{
xReturn = pdFALSE;
}
}
break;
}
}
}
if( ( pxCommand != NULL ) && ( xReturn == pdFALSE ) )
{
/* The command was found, but the number of parameters with the command
was incorrect. */
(void)strncpy( ( char * ) pcWriteBuffer, "Incorrect command parameter(s). Enter \"help\" to view a list of available commands.\r\n\r\n", xWriteBufferLen );
pxCommand = NULL;
}
else if( pxCommand != NULL )
{
/* Call the callback function that is registered to this command. */
xReturn = pxCommand->pxCommandLineDefinition->pxCommandInterpreter( pcWriteBuffer, xWriteBufferLen, pcCommandInput );
/* If xReturn is pdFALSE, then no further strings will be returned
after this one, and pxCommand can be reset to NULL ready to search
for the next entered command. */
if( xReturn == pdFALSE )
{
pxCommand = NULL;
}
}
else
{
/* pxCommand was NULL, the command was not found. */
(void)strncpy( ( char * ) pcWriteBuffer, ( const char * const ) "Command not recognised. Enter \"help\" to view a list of available commands.\r\n\r\n", xWriteBufferLen );
xReturn = pdFALSE;
}
return xReturn;
}
