mirror of
https://github.com/Evolution-X/hardware_interfaces
synced 2026-02-02 02:42:35 +00:00
a6165dcccf
This CL changes the API from 'reset' to 'hardwareReset' to make the the definition of the API clearer. This CL also optimizes the Thread Network HAL default implementation. Bug: 289867661 Test: Run Thread stack on cuttlefish. Change-Id: Id742453d9d7a0d369ac8f16905efdacfcfba1dbc
90 lines
2.9 KiB
Plaintext
90 lines
2.9 KiB
Plaintext
/*
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* Copyright (C) 2022 The Android Open Source Project
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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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package android.hardware.threadnetwork;
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import android.hardware.threadnetwork.IThreadChipCallback;
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/**
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* Controls a Thread radio chip on the device.
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*/
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@VintfStability
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interface IThreadChip {
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/**
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* The operation failed for the internal error.
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*/
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const int ERROR_FAILED = 1;
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/**
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* Insufficient buffers available to send frames.
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*/
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const int ERROR_NO_BUFS = 2;
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/**
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* Service is busy and could not service the operation.
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*/
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const int ERROR_BUSY = 3;
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/**
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* This method initializes the Thread HAL instance. If open completes
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* successfully, then the Thread HAL instance is ready to accept spinel
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* messages through sendSpinelFrame() API.
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*
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* @param callback A IThreadChipCallback callback instance.
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*
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* @throws EX_ILLEGAL_ARGUMENT if the callback handle is invalid (for example, it is null).
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*
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* @throws ServiceSpecificException with one of the following values:
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* - ERROR_FAILED The interface cannot be opened due to an internal error.
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* - ERROR_BUSY This interface is in use.
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*/
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void open(in IThreadChipCallback callback);
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/**
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* Close the Thread HAL instance. Must free all resources.
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*/
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void close();
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/**
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* This method hardware resets the Thread radio chip via the physical reset pin.
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* The callback registered by `open()` won’t be reset and the resource allocated
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* by `open()` won’t be free.
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*
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* @throws EX_UNSUPPORTED_OPERATION if the Thread radio chip doesn't support the hardware reset.
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*
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*/
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void hardwareReset();
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/**
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* This method sends a spinel frame to the Thread HAL.
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*
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* This method should block until the frame is sent out successfully or
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* the method throws errors immediately.
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*
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* Spinel Protocol:
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* https://github.com/openthread/openthread/blob/main/src/lib/spinel/spinel.h
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*
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* @param frame The spinel frame to be sent.
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*
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* @throws ServiceSpecificException with one of the following values:
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* - ERROR_FAILED The Thread HAL failed to send the frame for an internal reason.
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* - ERROR_NO_BUFS Insufficient buffer space to send the frame.
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* - ERROR_BUSY The Thread HAL is busy.
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*/
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void sendSpinelFrame(in byte[] frame);
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}
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