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62 lines
2.4 KiB
62 lines
2.4 KiB
/**************************************************************************** |
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* |
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* Copyright (C) 2020 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 <px4_platform_common/external_reset_lockout.h> |
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#if defined(BOARD_INDICATE_EXTERNAL_LOCKOUT_STATE) |
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#include <px4_platform_common/atomic.h> |
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static px4::atomic<uint8_t> lockout_states {0}; |
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void px4_indicate_external_reset_lockout(LockoutComponent component, bool enabled) |
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{ |
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const uint8_t component_mask = 1 << (uint8_t)component; |
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uint8_t current_state; |
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if (enabled) { |
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current_state = lockout_states.fetch_or(component_mask) | component_mask; |
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} else { |
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current_state = lockout_states.fetch_and(~component_mask) & ~component_mask; |
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} |
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BOARD_INDICATE_EXTERNAL_LOCKOUT_STATE(current_state != 0); |
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} |
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#else |
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void px4_indicate_external_reset_lockout(LockoutComponent component, bool enabled) {} |
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#endif /* BOARD_INDICATE_EXTERNAL_LOCKOUT_STATE */ |
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