mirror of
https://gitee.com/mirrors_PX4/PX4-Autopilot.git
synced 2026-07-01 14:10:35 +08:00
Ville Juven
59e86c490d
The reason for this is that log.h includes drv_hrt.h which sucks in half the project's include files with it, which causes strange build issues
140 lines
3.5 KiB
C++
140 lines
3.5 KiB
C++
/****************************************************************************
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*
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* Copyright (c) 2012-2022 PX4 Development Team. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name PX4 nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#include <string.h>
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/**
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* @file parameters_common.cpp
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*
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* Global parameter store, functions common to kernel and user sides
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*
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*/
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static constexpr uint16_t param_info_count = sizeof(px4::parameters) / sizeof(param_info_s);
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/**
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* Test whether a param_t is value.
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*
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* @param param The parameter handle to test.
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* @return True if the handle is valid.
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*/
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static constexpr bool handle_in_range(param_t param) { return (param < param_info_count); }
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unsigned param_count()
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{
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return param_info_count;
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}
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int param_get_index(param_t param)
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{
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if (handle_in_range(param)) {
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return (unsigned)param;
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}
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return -1;
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}
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param_t param_for_index(unsigned index)
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{
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if (index < param_info_count) {
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return (param_t)index;
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}
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return PARAM_INVALID;
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}
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const char *param_name(param_t param)
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{
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return handle_in_range(param) ? px4::parameters[param].name : nullptr;
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}
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param_type_t param_type(param_t param)
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{
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return handle_in_range(param) ? px4::parameters_type[param] : PARAM_TYPE_UNKNOWN;
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}
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bool param_is_volatile(param_t param)
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{
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if (handle_in_range(param)) {
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for (const auto &p : px4::parameters_volatile) {
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if (static_cast<px4::params>(param) == p) {
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return true;
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}
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}
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}
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return false;
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}
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size_t param_size(param_t param)
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{
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if (handle_in_range(param)) {
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switch (param_type(param)) {
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case PARAM_TYPE_INT32:
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case PARAM_TYPE_FLOAT:
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return 4;
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default:
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return 0;
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}
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}
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return 0;
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}
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int
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param_get_system_default_value(param_t param, void *default_val)
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{
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if (!handle_in_range(param)) {
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return PX4_ERROR;
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}
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int ret = PX4_OK;
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switch (param_type(param)) {
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case PARAM_TYPE_INT32:
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memcpy(default_val, &px4::parameters[param].val.i, param_size(param));
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break;
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case PARAM_TYPE_FLOAT:
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memcpy(default_val, &px4::parameters[param].val.f, param_size(param));
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break;
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default:
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ret = PX4_ERROR;
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break;
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}
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return ret;
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}
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