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Adds a compatible gpiosetevent interface. The helper call the low level functions while providing a consistent API with xxxx_ gpiosetevent(uint32_t pinset, bool risingedge, bool fallingedge, bool event, xcpt_t func, void *arg); This wrapper was rjected upstream.sbg
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/****************************************************************************
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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/px4_config.h> |
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#include <systemlib/px4_macros.h> |
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#include <arch/board/board.h> |
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#include <errno.h> |
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#include "kinetis.h" |
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#include "hardware/kinetis_port.h" |
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/****************************************************************************
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* Name: kinetis_gpiosetevent |
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* |
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* Description: |
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* Sets/clears GPIO based event and interrupt triggers. |
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* |
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* Input Parameters: |
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* - pinset: gpio pin configuration |
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* - rising/falling edge: enables |
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* - event: generate event when set |
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* - func: when non-NULL, generate interrupt |
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* - arg: Argument passed to the interrupt callback |
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* |
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* Returned Value: |
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* Zero (OK) on success; a negated errno value on failure indicating the |
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* nature of the failure. |
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* |
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****************************************************************************/ |
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#if defined(CONFIG_KINETIS_GPIOIRQ) |
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int kinetis_gpiosetevent(uint32_t pinset, bool risingedge, bool fallingedge, |
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bool event, xcpt_t func, void *arg) |
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{ |
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int ret = -ENOSYS; |
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if (func == NULL) { |
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kinetis_pinirqdisable(pinset); |
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ret = kinetis_pinirqattach(pinset, NULL, NULL); |
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} else { |
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ret = kinetis_pinirqattach(pinset, func, arg); |
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pinset &= ~_PIN_INT_MASK |
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DEBUGASSERT(port < KINETIS_NPORTS); |
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if (risingedge) { |
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pinset |= PIN_INT_RISING; |
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} |
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if (fallingedge) { |
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pinset |= PIN_INT_FALLING; |
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} |
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kinetis_pinirqenable(pinset); |
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} |
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return ret; |
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} |
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#endif /* CONFIG_KINETIS_GPIOIRQ */ |
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