cleanup

src/main.rs

@@ -43,8 +43,9 @@ fn main () {
         match action {
             "on" => pin_switch_on(),
             "off" => pin_switch_off(),
+            "status" => println!("Inverter status: {}" , if pin_status() == 0 { "off" } else { "on" }),
             "test" => pin_test(&config),
-            &_ => println!("So far only the parameters 'on', 'off' and 'test' are supported.")
+            _ => println!("So far only the parameters 'on', 'off', status and 'test' are supported.")
         }
     }
     else { // no command line parameter set; check for voltages and switch the inverter accordingly
@@ -101,7 +102,7 @@ fn get_current_voltage (config: &Config) -> f32 {
     }
 
     let db_connection = sqlite::open(&config.database).unwrap();
-    let query = format!("SELECT data FROM '{device}' ORDER BY date DESC, time DESC LIMIT 1;", device = &config.device_name_voltage);
+    let query = format!("SELECT data FROM '{device}' ORDER BY date DESC, time DESC LIMIT 1;", device = config.device_name_voltage);
 
     let _ = db_connection.iterate(query, |pairs | {
         let data = pairs.get(0).unwrap().1.unwrap();