test/src/light.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("Light :[%lld] [%6.6f]\n", data->timestamp, data->values[0]);
  35 }
  36
  37 void printformat()
  38 {
  39         printf("Usage : ./light <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 light 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 = LIGHT_EVENT_LUX_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 = LIGHT_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 light 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, LIGHT_LUX_DATA_SET , &data);
  86                         printf("Light : [%6.6f]\n", data.values[0]);
  87                         usleep(100000);
  88                 }
  89
  90                 result = sf_disconnect(handle);
  91                 if (result < 0) {
  92                         printf("Can't disconnect light sensor\n");
  93                         printf("Error\n\n\n\n");
  94                         free(event_condition);
  95                         return -1;
  96                 }
  97         }
  98
  99         else if (strcmp(argv[1], "RAW_DATA_REPORT_ON_TIME") == 0) {
 100                 printf("Event based\n");
 101
 102                 event_condition->cond_value1 = 100;
 103                 if (argc == 3)
 104                         event_condition->cond_value1 = atof(argv[2]);
 105
 106                 handle = sf_connect(type);
 107                 result = sf_register_event(handle, event, event_condition, callback, NULL);
 108
 109                 if (result < 0)
 110                         printf("Can't register light\n");
 111
 112                 start_handle = sf_start(handle,0);
 113
 114                 if (start_handle < 0) {
 115                         printf("Error\n\n\n\n");
 116                         sf_unregister_event(handle, event);
 117                         sf_disconnect(handle);
 118                         free(event_condition);
 119                         return -1;
 120                 }
 121
 122                 g_main_loop_run(mainloop);
 123                 g_main_loop_unref(mainloop);
 124
 125                 sf_unregister_event(handle, event);
 126
 127                 stop_handle = sf_stop(handle);
 128
 129                 if (stop_handle < 0) {
 130                         printf("Error\n\n");
 131                         free(event_condition);
 132                         return -1;
 133                 }
 134
 135                 sf_disconnect(handle);
 136                 free(event_condition);
 137         }
 138
 139         else {
 140                 printformat();
 141         }
 142
 143         return 0;
 144 }
 145