feat: add random meters in demo

src/dsp408/client/dsp408.rs

@@ -8,17 +8,12 @@ use std::{
 };
 
 use crate::{
-    common::errors::DSPError,
-    dsp408::{
-        default::{default_input_meters, default_output_meters},
-        default_dsp_state,
-        mapper::{
+    common::errors::DSPError, dsp408::{
+        client::default::{default_dsp_state, default_input_meters, default_output_meters, random_input_meters, random_output_meters}, mapper::{
             self,
             constants::{CONFIG_CHUNK_INDEX_MAX, PRESET_INDEX_MAX, delay_range},
             response::map_response,
-        },
-        protocol::{commands, config::decode_config, frame::extract_frame},
-        types::{self, ConnectionStatus::Disconnected, DSPMode},
+        }, protocol::{commands, config::decode_config, frame::extract_frame}, types::{self, ConnectionStatus::Disconnected, DSPMode},
     },
 };
 
@@ -1796,7 +1791,13 @@ impl DSP408 {
         match self.state.connection {
             types::ConnectionStatus::Connected => {
                 if self.mode == types::DSPMode::Demo {
-                    return Ok((self.input_meters.clone(), self.output_meters.clone()));
+                    self.input_meters = random_input_meters();
+                    self.output_meters = random_output_meters();
+
+                    return Ok((
+                        self.input_meters.clone(),
+                        self.output_meters.clone(),
+                    ));
                 }
 
                 let request = commands::build_get_meter_levels();