From b1dd7eea9d81c2bb14c5d4e4b9be7d8b6b1a9a38 Mon Sep 17 00:00:00 2001
From: doryan <sagiev2015@yandex.ru>
Date: Fri, 14 Feb 2025 00:09:48 +0400
Subject: [PATCH] feat(conditions): use if let ... conditions instead match

---
 src/types/usb_device.rs | 57 +++++++++++++++++++++--------------------
 1 file changed, 29 insertions(+), 28 deletions(-)

diff --git a/src/types/usb_device.rs b/src/types/usb_device.rs
index de2cef9..8db5d29 100644
--- a/src/types/usb_device.rs
+++ b/src/types/usb_device.rs
@@ -169,41 +169,42 @@ impl<const L: usize> UsbDevice<L> {
         let usb = self.usb.borrow(cs);
         let current_endpoint = self.ep_table[endpoint_index];
 
-        match self.select_endpoint(cs, endpoint_index) {
-            Ok(_) => {
-                // Enable endpoint. //
+        let select_endpoint_result = self.select_endpoint(cs, endpoint_index);
 
-                usb.ueconx.modify(|_, w| w.epen().set_bit());
-                usb.uecfg1x.modify(|_, w| w.alloc().clear_bit());
+        if select_endpoint_result.is_err() {
+            select_endpoint_result
+        } else {
+            // Enable endpoint. //
 
-                // Set markered endpoint parameters to uecfg0x/1x register. //
+            usb.ueconx.modify(|_, w| w.epen().set_bit());
+            usb.uecfg1x.modify(|_, w| w.alloc().clear_bit());
 
-                usb.uecfg0x.modify(|_, w| {
-                    w.epdir()
-                        .bit(current_endpoint.ep_dir)
-                        .eptype()
-                        .bits(current_endpoint.ep_type)
-                });
+            // Set markered endpoint parameters to uecfg0x/1x register. //
 
-                usb.uecfg1x.modify(|_, w| {
-                    w.epbk()
-                        .bits(0)
-                        .epsize()
-                        .bits(current_endpoint.size)
-                        .alloc()
-                        .set_bit()
-                });
+            usb.uecfg0x.modify(|_, w| {
+                w.epdir()
+                    .bit(current_endpoint.ep_dir)
+                    .eptype()
+                    .bits(current_endpoint.ep_type)
+            });
 
-                if usb.uesta0x.read().cfgok().bit_is_clear() {
-                    Err(UsbError::EndpointMemoryOverflow)
-                } else {
-                    usb.ueienx
-                        .modify(|_, w| w.rxoute().set_bit().rxstpe().set_bit());
+            usb.uecfg1x.modify(|_, w| {
+                w.epbk()
+                    .bits(0)
+                    .epsize()
+                    .bits(current_endpoint.size)
+                    .alloc()
+                    .set_bit()
+            });
 
-                    Ok(())
-                }
+            if usb.uesta0x.read().cfgok().bit_is_clear() {
+                Err(UsbError::EndpointMemoryOverflow)
+            } else {
+                usb.ueienx
+                    .modify(|_, w| w.rxoute().set_bit().rxstpe().set_bit());
+
+                select_endpoint_result
             }
-            Err(exception) => Err(exception),
         }
     }
 }