expansion-bay: Add information about current status

```
framework_tool.exe --expansion-bay
Expansion Bay
  Enabled:       true
  Has fault:     false
  Hatch closed:  true
  Board:         DualInterposer
  Serial Number: FRAXXXXXXXXXXXXXXX
```

Signed-off-by: Daniel Schaefer <dhs@frame.work>

Author: JohnAZoidberg

EXAMPLES.md

@@ -64,3 +64,15 @@ ALS:   76 Lux
   APU:          42 C
   Fan Speed:       0 RPM
 ```
+
+## Check expansion bay (Framework 16)
+
+```
+> sudo framework_tool --expansion-bay
+Expansion Bay
+  Enabled:       true
+  Has fault:     false
+  Hatch closed:  true
+  Board:         DualInterposer
+  Serial Number: FRAXXXXXXXXXXXXXXX
+```

framework_lib/src/chromium_ec/mod.rs

@@ -817,6 +817,27 @@ impl CrosEc {
         res
     }
 
+    pub fn check_bay_status(&self) -> EcResult<()> {
+        println!("Expansion Bay");
+
+        let info = EcRequestExpansionBayStatus {}.send_command(self)?;
+        println!("  Enabled:       {}", info.module_enabled());
+        println!("  Has fault:     {}", info.module_fault());
+        println!("  Hatch closed:  {}", info.hatch_switch_closed());
+        match info.expansion_bay_board() {
+            Ok(board) => println!("  Board:         {:?}", board),
+            Err(err) => println!("  Board:         {:?}", err),
+        }
+
+        if let Ok(sn) = self.get_gpu_serial() {
+            println!("  Serial Number: {}", sn);
+        } else {
+            println!("  Serial Number: Unknown");
+        }
+
+        Ok(())
+    }
+
     /// Get the GPU Serial
     ///
     pub fn get_gpu_serial(&self) -> EcResult<String> {

framework_lib/src/commandline/mod.rs

@@ -763,11 +763,8 @@ pub fn run_with_args(args: &Cli, _allupdate: bool) -> i32 {
         println!("Set mode to: {:?}", mode);
         ec.set_input_deck_mode((*mode).into()).unwrap();
     } else if args.expansion_bay {
-        println!("Expansion Bay");
-        if let Ok(sn) = ec.get_gpu_serial() {
-            println!("  Serial Number: {}", sn);
-        } else {
-            println!("  Serial Number: Unknown");
+        if let Err(err) = ec.check_bay_status() {
+            error!("{:?}", err);
         }
     } else if let Some(maybe_limit) = args.charge_limit {
         print_err(handle_charge_limit(&ec, maybe_limit));