test/src/pressure.c

   1 /*
   2  * sensord
   3  *
   4  * Copyright (c) 2014 Samsung Electronics Co., Ltd.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  * http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  */
  19 #include <time.h>
  20 #include <glib.h>
  21 #include <stdlib.h>
  22 #include <stdio.h>
  23 #include <sensor_internal.h>
  24 #include <stdbool.h>
  25 #include <sensor_common.h>
  26 #include <unistd.h>
  27 #include <string.h>
  28
  29 static GMainLoop *mainloop;
  30
  31 void callback(unsigned int event_type, sensor_event_data_t *event, void *user_data)
  32 {
  33         sensor_data_t *data = (sensor_data_t *)event->event_data;
  34         printf("Pressure [%lld] [%6.6f] [%6.6f] [%6.6f]\n\n", data->timestamp, data->values[0], data->values[1], data->values[2]);
  35 }
  36
  37 void printformat()
  38 {
  39         printf("Usage : ./pressure <mode>(optional) <event> <interval>(optional)\n\n");
  40
  41         printf("mode:");
  42         printf("[-p]\n");
  43         printf("p is for polling based,default mode is event driven\n");
  44
  45         printf("event:");
  46         printf("[RAW_DATA_REPORT_ON_TIME]\n");
  47
  48         printf("interval:\n");
  49         printf("The time interval should be entered based on the sampling frequency supported by pressure driver on the device in ms.If no value for sensor is entered default value by the driver will be used.\n");
  50 }
  51
  52 int main(int argc,char **argv)
  53 {
  54         int result, handle, start_handle, stop_handle;
  55         unsigned int event;
  56         mainloop = g_main_loop_new(NULL, FALSE);
  57         event = PRESSURE_EVENT_RAW_DATA_REPORT_ON_TIME;
  58         event_condition_t *event_condition = (event_condition_t*) malloc(sizeof(event_condition_t));
  59         event_condition->cond_op = CONDITION_EQUAL;
  60
  61         sensor_type_t type = PRESSURE_SENSOR;
  62
  63         if (argc != 2 && argc != 3 && argc!=4) {
  64                 printformat();
  65                 free(event_condition);
  66                 return 0;
  67         }
  68
  69         else if (argc>=3 && strcmp(argv[1], "-p") == 0 && strcmp(argv[2], "RAW_DATA_REPORT_ON_TIME") == 0) {
  70                 printf("Polling based\n");
  71
  72                 handle = sf_connect(type);
  73                 result = sf_start(handle, 1);
  74
  75                 if (result < 0) {
  76                         printf("Can't start pressure SENSOR\n");
  77                         printf("Error\n\n\n\n");
  78                         free(event_condition);
  79                         return -1;
  80                 }
  81
  82                 sensor_data_t data;
  83
  84                 while(1) {
  85                         result = sf_get_data(handle, PRESSURE_BASE_DATA_SET , &data);
  86                         printf("Pressure [%lld] [%6.6f] [%6.6f] [%6.6f]\n\n", data.timestamp, data.values[0], data.values[1], data.values[2]);
  87                         usleep(100000);
  88                 }
  89
  90                 result = sf_disconnect(handle);
  91
  92                 if (result < 0) {
  93                         printf("Can't disconnect pressure sensor\n");
  94                         printf("Error\n\n\n\n");
  95                         free(event_condition);
  96                         return -1;
  97                 }
  98         }
  99
 100         else if (strcmp(argv[1], "RAW_DATA_REPORT_ON_TIME") == 0) {
 101                 printf("Event based\n");
 102
 103                 event_condition->cond_value1 = 10.52;
 104                 if (argc == 3)
 105                         event_condition->cond_value1 = atof(argv[2]);
 106
 107                 handle = sf_connect(type);
 108                 result = sf_register_event(handle, event, event_condition, callback, NULL);
 109
 110                 if (result < 0)
 111                         printf("Can't register pressure\n");
 112
 113                 start_handle = sf_start(handle,0);
 114
 115                 if (start_handle < 0) {
 116                         printf("Error\n\n\n\n");
 117                         sf_unregister_event(handle, event);
 118                         sf_disconnect(handle);
 119                         free(event_condition);
 120                         return -1;
 121                 }
 122
 123                 g_main_loop_run(mainloop);
 124                 g_main_loop_unref(mainloop);
 125
 126                 sf_unregister_event(handle, event);
 127
 128                 stop_handle = sf_stop(handle);
 129
 130                 if (stop_handle < 0) {
 131                         printf("Error\n\n");
 132                         free(event_condition);
 133                         return -1;
 134                 }
 135
 136                 sf_disconnect(handle);
 137                 free(event_condition);
 138         }
 139
 140         else {
 141                 printformat();
 142         }
 143
 144         return 0;
 145 }
 146