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/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef CHPP_GNSS_TYPES_H_
#define CHPP_GNSS_TYPES_H_
// This file was automatically generated by chre_api_to_chpp.py
// Date: 2021-05-24 15:46:26 UTC
// Source: chre_api/include/chre_api/chre/gnss.h @ commit 833a6241
// DO NOT modify this file directly, as those changes will be lost the next
// time the script is executed
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "chpp/app.h"
#include "chpp/common/common_types.h"
#include "chpp/macros.h"
#include "chre_api/chre/gnss.h"
#include "chre_api/chre/version.h"
#ifdef __cplusplus
extern "C" {
#endif
CHPP_PACKED_START
//! See {@link chreGnssClock} for details
struct ChppGnssClock {
int64_t time_ns;
int64_t full_bias_ns;
float bias_ns;
float drift_nsps;
float bias_uncertainty_ns;
float drift_uncertainty_nsps;
uint32_t hw_clock_discontinuity_count;
uint16_t flags;
uint8_t reserved[2]; // Input ignored; always set to 0
} CHPP_PACKED_ATTR;
//! See {@link chreGnssMeasurement} for details
struct ChppGnssMeasurement {
int64_t time_offset_ns;
int64_t accumulated_delta_range_um;
int64_t received_sv_time_in_ns;
int64_t received_sv_time_uncertainty_in_ns;
float pseudorange_rate_mps;
float pseudorange_rate_uncertainty_mps;
float accumulated_delta_range_uncertainty_m;
float c_n0_dbhz;
float snr_db;
uint16_t state;
uint16_t accumulated_delta_range_state;
int16_t svid;
uint8_t constellation;
uint8_t multipath_indicator;
float carrier_frequency_hz;
} CHPP_PACKED_ATTR;
//! See {@link chreGnssDataEvent} for details
struct ChppGnssDataEvent {
uint8_t version; // Input ignored; always set to CHRE_GNSS_DATA_EVENT_VERSION
uint8_t measurement_count;
uint8_t reserved[6]; // Input ignored; always set to 0
struct ChppGnssClock clock;
struct ChppOffset measurements; // References measurement_count instances of
// struct ChppOffset
} CHPP_PACKED_ATTR;
//! See {@link chreGnssLocationEvent} for details
struct ChppGnssLocationEvent {
uint64_t timestamp;
int32_t latitude_deg_e7;
int32_t longitude_deg_e7;
float altitude;
float speed;
float bearing;
float accuracy;
uint16_t flags;
uint8_t reserved[2]; // Input ignored; always set to 0
float altitude_accuracy;
float speed_accuracy;
float bearing_accuracy;
} CHPP_PACKED_ATTR;
//! CHPP app header plus struct ChppGnssDataEventWithHeader
struct ChppGnssDataEventWithHeader {
struct ChppAppHeader header;
struct ChppGnssDataEvent payload;
} CHPP_PACKED_ATTR;
//! CHPP app header plus struct ChppGnssLocationEventWithHeader
struct ChppGnssLocationEventWithHeader {
struct ChppAppHeader header;
struct ChppGnssLocationEvent payload;
} CHPP_PACKED_ATTR;
CHPP_PACKED_END
// Encoding functions (CHRE --> CHPP)
/**
* Converts from given CHRE structure to serialized CHPP type.
*
* @param in Fully-formed CHRE structure.
* @param out Upon success, will point to a buffer allocated with chppMalloc().
* It is the responsibility of the caller to set the values of the CHPP app
* layer header, and to free the buffer when it is no longer needed via
* chppFree() or CHPP_FREE_AND_NULLIFY().
* @param outSize Upon success, will be set to the size of the output buffer, in
* bytes.
*
* @return true on success, false if memory allocation failed.
*/
bool chppGnssDataEventFromChre(const struct chreGnssDataEvent *in,
struct ChppGnssDataEventWithHeader **out,
size_t *outSize);
/**
* Converts from given CHRE structure to serialized CHPP type.
*
* @param in Fully-formed CHRE structure.
* @param out Upon success, will point to a buffer allocated with chppMalloc().
* It is the responsibility of the caller to set the values of the CHPP app
* layer header, and to free the buffer when it is no longer needed via
* chppFree() or CHPP_FREE_AND_NULLIFY().
* @param outSize Upon success, will be set to the size of the output buffer, in
* bytes.
*
* @return true on success, false if memory allocation failed.
*/
bool chppGnssLocationEventFromChre(const struct chreGnssLocationEvent *in,
struct ChppGnssLocationEventWithHeader **out,
size_t *outSize);
// Decoding functions (CHPP --> CHRE)
/**
* Converts from serialized CHPP structure to a CHRE type.
*
* @param in Fully-formed CHPP structure.
* @param in Size of the CHPP structure in bytes.
*
* @return If successful, a pointer to a CHRE structure allocated with
* chppMalloc(). If unsuccessful, null. It is the responsibility of the caller
* to free the buffer when it is no longer needed via chppFree() or
* CHPP_FREE_AND_NULLIFY().
*/
struct chreGnssDataEvent *chppGnssDataEventToChre(
const struct ChppGnssDataEvent *in, size_t inSize);
/**
* Converts from serialized CHPP structure to a CHRE type.
*
* @param in Fully-formed CHPP structure.
* @param in Size of the CHPP structure in bytes.
*
* @return If successful, a pointer to a CHRE structure allocated with
* chppMalloc(). If unsuccessful, null. It is the responsibility of the caller
* to free the buffer when it is no longer needed via chppFree() or
* CHPP_FREE_AND_NULLIFY().
*/
struct chreGnssLocationEvent *chppGnssLocationEventToChre(
const struct ChppGnssLocationEvent *in, size_t inSize);
#ifdef __cplusplus
}
#endif
#endif // CHPP_GNSS_TYPES_H_
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