pounder patch: fix mqtt max tree depth

mcu-contrib/pounder-725.diff

@@ -216,7 +216,7 @@ index 025f7d4f..59578cce 100644
      fn add_write(&mut self, register: Register, value: &[u8]) {
          let data = &mut self.data[self.index..];
 diff --git a/src/bin/dual-iir.rs b/src/bin/dual-iir.rs
-index d4146cc2..e7f9cf28 100644
+index d4146cc2..0c72054d 100644
 --- a/src/bin/dual-iir.rs
 +++ b/src/bin/dual-iir.rs
 @@ -28,7 +28,7 @@
@@ -263,7 +263,13 @@ index d4146cc2..e7f9cf28 100644
          }
      }
  }
-@@ -216,6 +230,7 @@ mod app {
+@@ -211,22 +225,24 @@ mod app {
+     #[shared]
+     struct Shared {
+         usb: UsbDevice,
+-        network: NetworkUsers<DualIir, 3>,
++        network: NetworkUsers<DualIir, 5>,
+         settings: Settings,
          active_settings: DualIir,
          telemetry: TelemetryBuffer,
          source: [SignalGenerator; 2],
@@ -271,7 +277,12 @@ index d4146cc2..e7f9cf28 100644
      }
  
      #[local]
-@@ -227,6 +242,7 @@ mod app {
+     struct Local {
+-        usb_terminal: SerialTerminal<Settings, 4>,
++        usb_terminal: SerialTerminal<Settings, 5>,
+         sampling_timer: SamplingTimer,
+         digital_inputs: (DigitalInput0, DigitalInput1),
+         afes: (AFE0, AFE1),
          adcs: (Adc0Input, Adc1Input),
          dacs: (Dac0Output, Dac1Output),
          iir_state: [[[f32; 4]; IIR_CASCADE_LENGTH]; 2],
@@ -284,7 +295,7 @@ index d4146cc2..e7f9cf28 100644
  
          // Configure the microcontroller
 -        let (stabilizer, _pounder) = hardware::setup::setup::<Settings, 4>(
-+        let (mut stabilizer, pounder) = hardware::setup::setup::<Settings, 4>(
++        let (mut stabilizer, pounder) = hardware::setup::setup::<Settings, 5>(
              c.core,
              c.device,
              clock,
@@ -381,7 +392,7 @@ index d4146cc2..e7f9cf28 100644
              });
  
 diff --git a/src/bin/lockin.rs b/src/bin/lockin.rs
-index d8d193dd..4aff9517 100644
+index d8d193dd..aa941db7 100644
 --- a/src/bin/lockin.rs
 +++ b/src/bin/lockin.rs
 @@ -29,7 +29,7 @@
@@ -393,6 +404,15 @@ index d8d193dd..4aff9517 100644
      sync::atomic::{fence, Ordering},
  };
  
+@@ -248,7 +248,7 @@ mod app {
+     #[shared]
+     struct Shared {
+         usb: UsbDevice,
+-        network: NetworkUsers<Lockin, 2>,
++        network: NetworkUsers<Lockin, 5>,
+         settings: Settings,
+         active_settings: Lockin,
+         telemetry: TelemetryBuffer,
 @@ -543,6 +543,7 @@ mod app {
                      *gains[0],
                      *gains[1],
@@ -401,6 +421,35 @@ index d8d193dd..4aff9517 100644
                  ))
              });
  
+diff --git a/src/bin/urukul.rs b/src/bin/urukul.rs
+index fc7faf40..1ebb8e6c 100644
+--- a/src/bin/urukul.rs
++++ b/src/bin/urukul.rs
+@@ -104,21 +104,21 @@ mod app {
+     #[shared]
+     struct Shared {
+         usb: UsbDevice,
+-        network: NetworkUsers<App, 3>,
++        network: NetworkUsers<App, 5>,
+         settings: Settings,
+     }
+ 
+     #[local]
+     struct Local {
+         urukul: Urukul,
+-        usb_terminal: SerialTerminal<Settings, 4>,
++        usb_terminal: SerialTerminal<Settings, 5>,
+     }
+ 
+     #[init]
+     fn init(c: init::Context) -> (Shared, Local) {
+         let clock = SystemTimer::new(|| Systick::now().ticks());
+ 
+-        let (stabilizer, _pounder) = hardware::setup::setup::<Settings, 4>(
++        let (stabilizer, _pounder) = hardware::setup::setup::<Settings, 5>(
+             c.core,
+             c.device,
+             clock,
 diff --git a/src/hardware/pounder/attenuators.rs b/src/hardware/pounder/attenuators.rs
 index cfd08b7f..2570f506 100644
 --- a/src/hardware/pounder/attenuators.rs