Clean up some warnings

src/font.rs

@@ -6,7 +6,7 @@ use alloc::vec;
 use alloc::vec::Vec;
 use alloc::{borrow::ToOwned, string::String};
 
-use crate::display::{self, Color, Display, Position, Rgb565};
+use crate::display::{self, Display, Position, Rgb565};
 
 static OPEN_SANS: &'static [u8] = include_bytes!("./OpenSans_Condensed-Regular.ttf");
 

src/main.rs

@@ -10,11 +10,11 @@
 
 use core::mem::MaybeUninit;
 
-use alloc::{boxed::Box, format, string::ToString};
+use alloc::boxed::Box;
 use esp_hal::{
     clock::CpuClock,
     delay::Delay,
-    gpio::{InputConfig, Level, Output, OutputConfig},
+    gpio::{Level, Output, OutputConfig},
     interrupt::software::SoftwareInterruptControl,
     main,
     spi::master::{Config, Spi},

src/state.rs

@@ -3,7 +3,6 @@ use esp_hal::{Blocking, delay::Delay};
 
 use crate::{
     async_io::AsyncIO,
-    at_commands::ATCommands,
     display::{Color, Display, Position, Rgb565},
     font::{FontRenderer, HorizontalAlignment, VerticalAlignment},
 };

src/states.rs

@@ -1,19 +1,13 @@
 use core::iter::repeat;
 
-use alloc::{
-    borrow::ToOwned,
-    boxed::Box,
-    format,
-    string::{String, ToString},
-};
+use alloc::{borrow::ToOwned, boxed::Box, format, string::String};
 use esp_hal::time::{Duration, Instant};
 
 use crate::{
     async_io::ATPromise,
     at_commands::{
-        ATCommand, ATInformationCommand, CheckPinCommand, EnterPinCommand,
-        ListTECharacterSetsCommand, SMSFormat, SelectSMSFormatCommand, SendSMSCommand,
-        SetTECharsetCommand, StubATCommand, TECharset,
+        ATCommand, ATInformationCommand, CheckPinCommand, EnterPinCommand, SMSFormat,
+        SelectSMSFormatCommand, SetTECharsetCommand, TECharset,
     },
     display::{Position, Rgb565},
     font::{HorizontalAlignment, VerticalAlignment},
@@ -120,7 +114,7 @@ impl State for InitATState {
         Some(Box::new(state))
     }
 
-    fn draw(&self, data: &mut StateData) {}
+    fn draw(&self, _: &mut StateData) {}
 }
 
 #[derive(Clone)]