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89 lines
2.6 KiB
89 lines
2.6 KiB
/**************************************************************************** |
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* |
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* Copyright (c) 2018 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 <parameters/param.h> |
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#include <px4_platform_common/cli.h> |
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#ifndef MODULE_NAME |
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#define MODULE_NAME "cli" |
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#endif |
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#include <px4_platform_common/log.h> |
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#include <cstring> |
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#include <errno.h> |
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#include <cstdlib> |
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int px4_get_parameter_value(const char *option, int &value) |
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{ |
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value = 0; |
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/* check if this is a param name */ |
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if (strncmp("p:", option, 2) == 0) { |
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const char *param_name = option + 2; |
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/* user wants to use a param name */ |
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param_t param_handle = param_find(param_name); |
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if (param_handle != PARAM_INVALID) { |
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if (param_type(param_handle) != PARAM_TYPE_INT32) { |
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return -EINVAL; |
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} |
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int32_t pwm_parm; |
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int ret = param_get(param_handle, &pwm_parm); |
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if (ret != 0) { |
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return ret; |
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} |
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value = pwm_parm; |
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} else { |
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PX4_ERR("param name '%s' not found", param_name); |
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return -ENXIO; |
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} |
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} else { |
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char *ep; |
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value = strtol(option, &ep, 0); |
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if (*ep != '\0') { |
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return -EINVAL; |
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} |
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} |
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return 0; |
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}
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