112 lines
3 KiB
C
112 lines
3 KiB
C
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/*
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* Copyright (C) 2020, Samsung Electronics Co. Ltd. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <linux/slab.h>
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#include "../sensormanager/shub_sensor.h"
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#include "../sensormanager/shub_sensor_manager.h"
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#include "../utility/shub_utility.h"
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struct step_counter_event {
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u32 step_diff;
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u64 step_total;
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} __attribute__((__packed__));
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static void report_event_step_counter(void)
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{
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struct step_counter_event *sensor_value =
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(struct step_counter_event *)(get_sensor_event(SENSOR_TYPE_STEP_COUNTER)->value);
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sensor_value->step_total += sensor_value->step_diff;
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}
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void print_step_counter_debug(void)
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{
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struct shub_sensor *sensor = get_sensor(SENSOR_TYPE_STEP_COUNTER);
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struct sensor_event *event = &(sensor->event_buffer);
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struct step_counter_event *sensor_value = (struct step_counter_event *)(event->value);
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shub_info("%s(%u) : %u (%lld) (%ums, %dms)", sensor->name, SENSOR_TYPE_STEP_COUNTER,
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sensor_value->step_diff, event->timestamp,
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sensor->sampling_period, sensor->max_report_latency);
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}
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int init_step_counter(bool en)
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{
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struct shub_sensor *sensor = get_sensor(SENSOR_TYPE_STEP_COUNTER);
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if (!sensor)
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return 0;
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if (en) {
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strcpy(sensor->name, "step_cnt_sensor");
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sensor->receive_event_size = 4;
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sensor->report_event_size = 12;
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sensor->event_buffer.value = kzalloc(sizeof(struct step_counter_event), GFP_KERNEL);
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if (!sensor->event_buffer.value)
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goto err_no_mem;
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sensor->funcs = kzalloc(sizeof(struct sensor_funcs), GFP_KERNEL);
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if (!sensor->funcs)
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goto err_no_mem;
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sensor->funcs->report_event = report_event_step_counter;
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sensor->funcs->print_debug = print_step_counter_debug;
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} else {
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kfree(sensor->event_buffer.value);
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sensor->event_buffer.value = NULL;
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kfree(sensor->funcs);
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sensor->funcs = NULL;
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}
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return 0;
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err_no_mem:
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kfree(sensor->event_buffer.value);
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sensor->event_buffer.value = NULL;
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kfree(sensor->funcs);
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sensor->funcs = NULL;
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return -ENOMEM;
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}
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int init_step_detector(bool en)
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{
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struct shub_sensor *sensor = get_sensor(SENSOR_TYPE_STEP_DETECTOR);
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if (!sensor)
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return 0;
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if (en) {
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strcpy(sensor->name, "step_det_sensor");
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sensor->receive_event_size = 1;
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sensor->report_event_size = 1;
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sensor->event_buffer.value = kzalloc(sensor->receive_event_size, GFP_KERNEL);
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if (!sensor->event_buffer.value)
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goto err_no_mem;
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} else {
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kfree(sensor->event_buffer.value);
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sensor->event_buffer.value = NULL;
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}
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return 0;
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err_no_mem:
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kfree(sensor->event_buffer.value);
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sensor->event_buffer.value = NULL;
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return -ENOMEM;
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}
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