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Diffstat (limited to 'src/modules/controllib/block/BlockParam.cpp')
-rw-r--r-- | src/modules/controllib/block/BlockParam.cpp | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/modules/controllib/block/BlockParam.cpp b/src/modules/controllib/block/BlockParam.cpp new file mode 100644 index 000000000..fd12e365d --- /dev/null +++ b/src/modules/controllib/block/BlockParam.cpp @@ -0,0 +1,79 @@ +/**************************************************************************** + * + * Copyright (C) 2012 PX4 Development Team. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/** + * @file Blockparam.cpp + * + * Controller library code + */ + +#include <math.h> +#include <stdio.h> +#include <string.h> + +#include "BlockParam.hpp" + +namespace control +{ + +BlockParamBase::BlockParamBase(Block *parent, const char *name, bool parent_prefix) : + _handle(PARAM_INVALID) +{ + char fullname[blockNameLengthMax]; + + if (parent == NULL) { + strncpy(fullname, name, blockNameLengthMax); + + } else { + char parentName[blockNameLengthMax]; + parent->getName(parentName, blockNameLengthMax); + + if (!strcmp(name, "")) { + strncpy(fullname, parentName, blockNameLengthMax); + + } else if (parent_prefix) { + snprintf(fullname, blockNameLengthMax, "%s_%s", parentName, name); + } else { + strncpy(fullname, name, blockNameLengthMax); + } + + parent->getParams().add(this); + } + + _handle = param_find(fullname); + + if (_handle == PARAM_INVALID) + printf("error finding param: %s\n", fullname); +}; + +} // namespace control |