apps/gnss_world/gnss_world.cc

/*
 * Copyright (C) 2017 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.
 */

#include <chre.h>
#include <cinttypes>

#include "chre/util/nanoapp/log.h"

#define LOG_TAG "[GnssWorld]"

#ifdef CHRE_NANOAPP_INTERNAL
#include "chre/platform/platform_static_nanoapp_init.h"

namespace chre {
namespace {
#endif  // CHRE_NANOAPP_INTERNAL

bool nanoappStart() {
  LOGI("App started as instance %" PRIu32, chreGetInstanceId());

  const char *gnssCapabilitiesStr;
  uint32_t gnssCapabilities = chreGnssGetCapabilities();
  switch (gnssCapabilities) {
    case CHRE_GNSS_CAPABILITIES_LOCATION
        | CHRE_GNSS_CAPABILITIES_MEASUREMENTS:
      gnssCapabilitiesStr = "LOCATION | MEASUREMENTS";
      break;
    case CHRE_GNSS_CAPABILITIES_LOCATION:
      gnssCapabilitiesStr = "LOCATION";
      break;
    case CHRE_GNSS_CAPABILITIES_MEASUREMENTS:
      gnssCapabilitiesStr = "MEASUREMENTS";
      break;
    case CHRE_GNSS_CAPABILITIES_NONE:
      gnssCapabilitiesStr = "NONE";
      break;
    default:
      gnssCapabilitiesStr = "INVALID";
  }

  LOGI("Detected GNSS support as: %s (%" PRIu32 ")",
       gnssCapabilitiesStr, gnssCapabilities);
  return true;
}

void nanoappHandleEvent(uint32_t senderInstanceId,
                        uint16_t eventType,
                        const void *eventData) {
  // TODO: Implement this.
}

void nanoappStop() {
  LOGI("Stopped");
}

#ifdef CHRE_NANOAPP_INTERNAL
}  // namespace

PLATFORM_STATIC_NANOAPP_INIT(GnssWorld);

}  // namespace chre
#endif  // CHRE_NANOAPP_INTERNAL