144 lines
4.7 KiB
C++
144 lines
4.7 KiB
C++
/*
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* Copyright (C) 2016 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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#ifndef APP_TO_HOST_EVENT_H_
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#define APP_TO_HOST_EVENT_H_
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#include "contexthub.h"
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#include "nanomessage.h"
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namespace android {
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// Copied from nanohub eventnums.h
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struct HostHubRawPacket {
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uint64_t appId;
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uint8_t dataLen; //not incl this header, 128 bytes max
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//raw data in unspecified format here
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} __attribute((packed));
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// From brHostEvent.h
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#define BRIDGE_HOST_EVENT_MSG_VERSION_INFO (0)
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struct BrHostEventData {
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uint8_t msgId;
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uint8_t reserved;
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uint8_t status;
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uint8_t payload[];
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} __attribute__((packed));
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struct BrHostEventTx {
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struct HostHubRawPacket hdr;
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struct BrHostEventData data;
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} __attribute__((packed));
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// From brPkt.h
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struct BrVersionInfoRsp {
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uint16_t hwType;
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uint16_t osVer;
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uint32_t variantVer;
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uint32_t bridgeVer;
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} __attribute__((packed));
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// The u64 appId used in nanohub is 40 bits vendor ID + 24 bits app ID (see seos.h)
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constexpr uint64_t MakeAppId(uint64_t vendorId, uint32_t appId) {
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return (vendorId << 24) | (appId & 0x00FFFFFF);
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}
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constexpr uint64_t kAppIdVendorGoogle = 0x476f6f676cULL; // "Googl"
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constexpr uint64_t kAppIdVendorSTMicro = 0x53544d6963ULL; // "STMic"
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constexpr uint64_t kAppIdVendorInvn = 0x496E76656EULL; // "Inven"
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constexpr uint64_t kAppIdBoschBmi160Bmm150 = MakeAppId(kAppIdVendorGoogle, 2);
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constexpr uint64_t kAppIdBoschBmp280 = MakeAppId(kAppIdVendorGoogle, 5);
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constexpr uint64_t kAppIdAmsTmd2772 = MakeAppId(kAppIdVendorGoogle, 9);
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constexpr uint64_t kAppIdRohmRpr0521 = MakeAppId(kAppIdVendorGoogle, 10);
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constexpr uint64_t kAppIdAmsTmd4903 = MakeAppId(kAppIdVendorGoogle, 12);
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constexpr uint64_t kAppIdSTMicroLsm6dsm = MakeAppId(kAppIdVendorSTMicro, 0);
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constexpr uint64_t kAppIdSTMicroLps22hb = MakeAppId(kAppIdVendorSTMicro, 1);
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constexpr uint64_t kAppIdSTMicroMag40 = MakeAppId(kAppIdVendorSTMicro, 3);
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constexpr uint64_t kAppIdInvnIcm40600 = MakeAppId(kAppIdVendorInvn, 2);
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constexpr uint64_t kAppIdBridge = MakeAppId(kAppIdVendorGoogle, 50);
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/*
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* These classes represent events sent with event type EVT_APP_TO_HOST. This is
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* a generic container for arbitrary application-specific data, and is used for
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* passing back sensor calibration results, implementing app download, etc. The
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* parser must know the application ID to determine the data format.
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*/
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class AppToHostEvent : public ReadEventResponse {
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public:
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/*
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* Constructs and populates an AppToHostEvent instance. Returns nullptr if
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* the packet is malformed. The rest of the methods in this class are not
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* guaranteed to be safe unless the object is constructed from this
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* function.
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*/
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static std::unique_ptr<AppToHostEvent> FromBytes(
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const std::vector<uint8_t>& buffer);
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uint64_t GetAppId() const;
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// Gets the length of the application-specific data segment
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uint8_t GetDataLen() const;
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// Returns a pointer to the application-specific data (i.e. past the header)
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const uint8_t *GetDataPtr() const;
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bool IsCalibrationEventForSensor(SensorType sensor_type) const;
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bool IsTestEventForSensor(SensorType sensor_type) const;
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virtual bool IsValid() const;
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protected:
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const HostHubRawPacket *GetTypedData() const;
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bool CheckAppId(SensorType sensor_type) const;
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bool CheckEventHeader(SensorType sensor_type) const;
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};
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#define SENSOR_APP_MSG_CALIBRATION_RESULT (0)
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#define SENSOR_APP_MSG_TEST_RESULT (1)
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struct SensorAppEventHeader {
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uint8_t msgId;
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uint8_t sensorType;
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uint8_t status; // 0 for success
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} __attribute__((packed));
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struct SingleAxisCalibrationResult : public SensorAppEventHeader {
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int32_t bias;
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} __attribute__((packed));
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struct TripleAxisCalibrationResult : public SensorAppEventHeader {
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int32_t xBias;
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int32_t yBias;
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int32_t zBias;
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} __attribute__((packed));
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struct FloatCalibrationResult : public SensorAppEventHeader {
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float value;
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} __attribute__((packed));
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struct FourAxisCalibrationResult : public SensorAppEventHeader {
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int32_t xBias;
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int32_t yBias;
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int32_t zBias;
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int32_t wBias;
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} __attribute__((packed));
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} // namespace android
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#endif // APP_TO_HOST_EVENT_H_
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