src/capability/capability_thermostatcoolingsetpoint.c

   1 /*
   2  * Copyright (c) 2018 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an AS IS BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include "st_things.h"
  18 #include "log.h"
  19
  20 static const char* PROP_TEMPERATURE = "temperature";
  21 static const char* PROP_RANGE = "range";
  22 static const char* PROP_UNITS = "units";
  23
  24 static double g_temperature = 0;
  25 static double g_range[2] = { 0, 5000. };
  26 static size_t g_length = 2;
  27 static char g_unit[4] = "mV";
  28
  29 extern void resource_init_co2_sensor(void);
  30 extern int resource_get_co2_sensor_parameter(void);
  31 extern void resource_set_sensor_parameter(int zero_volts);
  32
  33 bool handle_get_request_on_resource_capability_thermostatcoolingsetpoint(st_things_get_request_message_s* req_msg, st_things_representation_s* resp_rep)
  34 {
  35         DBG("Received a GET request on %s\n", req_msg->resource_uri);
  36
  37         if (req_msg->has_property_key(req_msg, PROP_TEMPERATURE)) {
  38                 DBG("requested temperature");
  39                 if (0 == g_temperature)
  40                         g_temperature = (double)resource_get_co2_sensor_parameter();
  41                 resp_rep->set_double_value(resp_rep, PROP_TEMPERATURE, g_temperature);
  42         }
  43         if (req_msg->has_property_key(req_msg, PROP_RANGE)) {
  44                 //DBG("requested range");
  45                 resp_rep->set_double_array_value(resp_rep, PROP_RANGE, (double*)&g_range, g_length);
  46         }
  47         if (req_msg->has_property_key(req_msg, PROP_UNITS)) {
  48                 //DBG("requested units");
  49                 resp_rep->set_str_value(resp_rep, PROP_UNITS, g_unit);
  50         }
  51         return true;
  52 }
  53
  54 bool handle_set_request_on_resource_capability_thermostatcoolingsetpoint(st_things_set_request_message_s* req_msg, st_things_representation_s* resp_rep)
  55 {
  56         DBG("Received a SET request on %s\n", req_msg->resource_uri);
  57
  58         double dvalue = 0;
  59         if (req_msg->rep->get_double_value(req_msg->rep, PROP_TEMPERATURE, &dvalue)) {
  60                 g_temperature = dvalue;
  61                 resource_set_sensor_parameter((int32_t)g_temperature);
  62                 resource_init_co2_sensor();
  63                 resp_rep->set_double_value(resp_rep, PROP_TEMPERATURE, dvalue);
  64                 DBG("set requested: %.f\n", g_temperature);
  65         }
  66
  67         char *str_value = NULL;
  68         if (req_msg->rep->get_str_value(req_msg->rep, PROP_UNITS, &str_value)) {
  69                 resp_rep->set_str_value(resp_rep, PROP_UNITS, g_unit);
  70                 free(str_value);
  71         }
  72
  73         double davalue[2] = { 0, };
  74         size_t dlength = 0;
  75         if (req_msg->rep->get_double_array_value(req_msg->rep, PROP_RANGE, (double**)&davalue, &dlength )) {
  76                 resp_rep->set_double_array_value(resp_rep, PROP_RANGE, g_range, g_length);
  77         }
  78         st_things_notify_observers(req_msg->resource_uri);
  79
  80         return true;
  81 }