Data logging in a Pebble Background Worker

gistfile1.c

#include <pebble_worker.h>

DataLoggingSessionRef data_logger;
int num_samples = 1;

static void data_handler(AccelData *data, uint32_t samples) {
    data_logging_log(data_logger, data, samples);
}

static void worker_init() {
    accel_data_service_subscribe(num_samples, data_handler);
    accel_service_set_sampling_rate(ACCEL_SAMPLING_10HZ);
    data_logger = data_logging_create(1, DATA_LOGGING_BYTE_ARRAY, sizeof(AccelData), true); 
}

static void worker_deinit() {
    data_logging_finish(data_logger);
    accel_data_service_unsubscribe();
}

int main(void) {
    worker_init();
    worker_event_loop();
    worker_deinit();
}