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46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "board/board.h"
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typedef enum {
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ExtiTrigger_Rising,
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ExtiTrigger_Falling,
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ExtiTrigger_RisingFalling
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} ExtiTrigger;
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//! See section 12.2.5 "External interrupt/event line mapping" in the STM32F2 reference manual
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typedef enum {
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ExtiLineOther_RTCAlarm = 17,
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ExtiLineOther_RTCWakeup = 22
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} ExtiLineOther;
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typedef void (*ExtiHandlerCallback)(void);
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//! Configures the given EXTI and NVIC for the given configuration.
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void exti_configure_pin(ExtiConfig cfg, ExtiTrigger trigger, ExtiHandlerCallback cb);
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//! Configures the given EXTI and NVIC for the given configuration.
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void exti_configure_other(ExtiLineOther exti_line, ExtiTrigger trigger);
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static inline void exti_enable(ExtiConfig config);
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static inline void exti_disable(ExtiConfig config);
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void exti_enable_other(ExtiLineOther);
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void exti_disable_other(ExtiLineOther);
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#include "exti.inl.h"
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