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31 lines
1.1 KiB
C
31 lines
1.1 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 <stdint.h>
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//! @file fpc_pinstrap.h
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//!
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//! This file implements an API to read the pinstrap values for an attached FPC (flexible printed
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//! circuit). These values are used for version identification so we can figure out which version
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//! of FPC is connected to our main PCB.
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#define FPC_PINSTRAP_NOT_AVAILABLE 0xff
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//! @return uint8_t a value between 0 and 8 to represent the pinstrap value. If the pinstrap
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//! value isn't valid on this platform, FPC_PINSTRAP_NOT_AVAILABLE is returned.
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uint8_t fpc_pinstrap_get_value(void);
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