pebble/src/fw/applib/data_logging.c
2025-01-27 11:38:16 -08:00

56 lines
1.9 KiB
C

/*
* Copyright 2024 Google LLC
*
* 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 "data_logging.h"
#include "services/normal/data_logging/dls_private.h"
#include "applib/app_logging.h"
#include "applib/applib_malloc.auto.h"
#include "syscall/syscall.h"
DataLoggingSessionRef data_logging_create(uint32_t tag, DataLoggingItemType item_type,
uint16_t item_length, bool resume) {
void *buffer = NULL;
// For workers, dls_create_current_process() will create the buffer for us. All others must
// allocate the buffer in their own heap (before going into privileged mode).
if (pebble_task_get_current() != PebbleTask_Worker) {
buffer = applib_malloc(DLS_SESSION_MIN_BUFFER_SIZE);
if (!buffer) {
APP_LOG(APP_LOG_LEVEL_ERROR, "insufficient memory");
return NULL;
}
}
// Create the session
DataLoggingSessionRef session = sys_data_logging_create(tag, item_type, item_length, buffer,
resume);
if (session == NULL && buffer != NULL) {
applib_free(buffer);
}
return session;
}
void data_logging_finish(DataLoggingSessionRef logging_session) {
sys_data_logging_finish(logging_session);
}
DataLoggingResult data_logging_log(DataLoggingSessionRef logging_session, const void *data,
uint32_t num_items) {
return sys_data_logging_log(logging_session, data, num_items);
}