o Changing the output format to include the indexes in the values, enabling reading from multiple sensors in one go:

This:

    Sample #1: device=.., sensor=1, value=123
    Sample #2: device=.., sensor=2,  value=321

is hanged to:

    Sample: device=.., sensor1=123, sensor2=321

1 files changed, 12 insertions, 9 deletions

diff --git a/apps/sm-get-value.h b/apps/sm-get-value.h
index 0535f68..c98d1d4 100644
--- a/apps/sm-get-value.h
+++ b/apps/sm-get-value.h
@@ -6,6 +6,7 @@
 #include "ble/Bluetooth.h"
 #include "SoilMoisture.h"
 #include "trygvis/sensor.h"
+#include "trygvis/sensor/io.h"
 #include "apps.h"
 
 namespace trygvis {
@@ -36,10 +37,7 @@ public:
     KeyDictionary dict;
     SampleKey* hostname_key = dict.indexOf("hostname");
     SampleKey* device_key = dict.indexOf("device");
-    SampleKey* sensor_key = dict.indexOf("sensor");
-    SampleKey* sensor_name_key = dict.indexOf("sensor_name");
-    SampleKey* timestamp_key = dict.indexOf("timestamp");
-    SampleKey* value_key = dict.indexOf("value");
+    SampleKey* timestamp_key = dict.indexOf("timestamp_ms");
 
     void add_options(po::options_description_easy_init &options) override {
         auto default_sleep = po::value<>(&sleepTime)->default_value(0);
@@ -67,9 +65,9 @@ public:
                 return EXIT_FAILURE;
             }
 
-            auto MAC = vm["device"].as<string>();
+            auto mac_string = vm["device"].as<string>();
 
-            Mac mac = Mac::parseMac(MAC);
+            Mac mac = Mac::parseMac(mac_string);
 
             auto adapter = getAdapter(0);
 
@@ -112,21 +110,26 @@ public:
                                                               dict, format);
         shared_ptr<SampleOutputStream> output_stream{std::move(unique_output_stream)};
 
+        int i = 0;
         for (auto s : sensors) {
             auto sensor = s.first;
             auto name = s.second;
 
             uint16_t value = soilMoisture.getValue((uint8_t) sensor);
 
+            auto sensor_key = dict.indexOf("sensor" + std::to_string(i));
+            auto sensor_name_key = dict.indexOf("sensor_name" + std::to_string(i));
+
             auto sample = SampleRecord(dict)
                     .set(hostname_key, get_hostname())
                     .set(device_key, mac)
-                    .set(sensor_key, std::to_string(sensor))
-                    .set(sensor_name_key, name)
                     .set(timestamp_key, std::to_string(timestamp))
-                    .set(value_key, std::to_string(value));
+                    .set(sensor_key, std::to_string(value))
+                    .set(sensor_name_key, name);
 
             output_stream->write(sample);
+
+            i++;
         }
     }