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                         return -1;
  79                 }
  80
  81                 sensor_data_t data;
  82
  83                 while(1) {
  84                         result = sf_get_data(handle, LIGHT_LUX_DATA_SET , &data);
  85                         printf("Light : [%6.6f]\n", data.values[0]);
  86                         usleep(100000);
  87                 }
  88
  89                 result = sf_disconnect(handle);
  90                 if (result < 0) {
  91                         printf("Can't disconnect light sensor\n");
  92                         printf("Error\n\n\n\n");
  93                         return -1;
  94                 }
  95         }
  96
  97         else if (strcmp(argv[1], "RAW_DATA_REPORT_ON_TIME") == 0) {
  98                 printf("Event based\n");
  99
 100                 event_condition->cond_value1 = 100;
 101                 if (argc == 3)
 102                         event_condition->cond_value1 = atof(argv[2]);
 103
 104                 handle = sf_connect(type);
 105                 result = sf_register_event(handle, event, event_condition, callback, NULL);
 106
 107                 if (result < 0)
 108                         printf("Can't register light\n");
 109
 110                 start_handle = sf_start(handle,0);
 111
 112                 if (start_handle < 0) {
 113                         printf("Error\n\n\n\n");
 114                         sf_unregister_event(handle, event);
 115                         sf_disconnect(handle);
 116                         return -1;
 117                 }
 118
 119                 g_main_loop_run(mainloop);
 120                 g_main_loop_unref(mainloop);
 121
 122                 sf_unregister_event(handle, event);
 123
 124                 stop_handle = sf_stop(handle);
 125
 126                 if (stop_handle < 0) {
 127                         printf("Error\n\n");
 128                         return -1;
 129                 }
 130
 131                 sf_disconnect(handle);
 132                 free(event_condition);
 133         }
 134
 135         else {
 136                 printformat();
 137         }
 138
 139         return 0;
 140 }
 141