From cbed4edd5d41ae34b966806135ae232844f545f1 Mon Sep 17 00:00:00 2001
From: Albin Hedman <albin9604@gmail.com>
Date: Mon, 5 Jun 2023 21:43:04 +0200
Subject: [PATCH] Fix all warnings in examples

---
 examples/can-echo.rs     |  2 +-
 examples/i2c-bme680.rs   |  6 +++---
 examples/panic.rs        |  2 +-
 examples/pwm.rs          |  6 +++++-
 examples/spi-sd.rs       | 18 ++++++++++--------
 examples/utils/logger.rs |  1 -
 6 files changed, 20 insertions(+), 15 deletions(-)

diff --git a/examples/can-echo.rs b/examples/can-echo.rs
index d458a3ed..954c45c0 100644
--- a/examples/can-echo.rs
+++ b/examples/can-echo.rs
@@ -120,7 +120,7 @@ fn main() -> ! {
 
     loop {
         if let Ok(rxheader) = block!(can.receive0(&mut buffer)) {
-            block!(can.transmit(rxheader.unwrap().to_tx_header(None), &mut buffer)).unwrap();
+            block!(can.transmit(rxheader.unwrap().to_tx_header(None), &buffer)).unwrap();
         }
     }
 }
diff --git a/examples/i2c-bme680.rs b/examples/i2c-bme680.rs
index fd6aa9bb..5c982c00 100644
--- a/examples/i2c-bme680.rs
+++ b/examples/i2c-bme680.rs
@@ -51,15 +51,15 @@ fn main() -> ! {
         .with_run_gas(true)
         .build();
 
-    let profile_dur = dev.get_profile_dur(&settings.0).unwrap();
+    let _profile_dur = dev.get_profile_dur(&settings.0).unwrap();
     dev.set_sensor_settings(&mut delayer, settings).unwrap();
     dev.set_sensor_mode(&mut delayer, PowerMode::ForcedMode)
         .unwrap();
-    let sensor_settings = dev.get_sensor_settings(settings.1);
+    let _sensor_settings = dev.get_sensor_settings(settings.1);
 
     loop {
         delay.delay_ms(500u32);
-        let power_mode = dev.get_sensor_mode();
+        let _power_mode = dev.get_sensor_mode();
         dev.set_sensor_mode(&mut delayer, PowerMode::ForcedMode)
             .unwrap();
         let (data, _state) = dev.get_sensor_data(&mut delayer).unwrap();
diff --git a/examples/panic.rs b/examples/panic.rs
index a5a4ca4a..c04bc628 100644
--- a/examples/panic.rs
+++ b/examples/panic.rs
@@ -7,7 +7,7 @@ use panic_probe as _;
 
 use stm32g4 as _;
 
-use defmt::Format;
+
 
 #[defmt::panic_handler]
 fn panic() -> ! {
diff --git a/examples/pwm.rs b/examples/pwm.rs
index 5b08beff..0c0223dc 100644
--- a/examples/pwm.rs
+++ b/examples/pwm.rs
@@ -9,11 +9,15 @@ use hal::gpio::AF6;
 use hal::prelude::*;
 use hal::stm32;
 use stm32g4xx_hal as hal;
-mod utils;
 extern crate cortex_m_rt as rt;
 
+#[macro_use]
+mod utils;
+
 #[entry]
 fn main() -> ! {
+    utils::logger::init();
+
     let dp = stm32::Peripherals::take().expect("cannot take peripherals");
     let mut rcc = dp.RCC.constrain();
     let gpioa = dp.GPIOA.split(&mut rcc);
diff --git a/examples/spi-sd.rs b/examples/spi-sd.rs
index cd1281be..4ac251d4 100644
--- a/examples/spi-sd.rs
+++ b/examples/spi-sd.rs
@@ -7,31 +7,31 @@ extern crate embedded_sdmmc;
 
 use hal::gpio::gpiob::PB14;
 use hal::gpio::gpiob::PB15;
-use hal::gpio::gpiof::PF8;
 use hal::gpio::gpiof::PF9;
 use hal::gpio::Alternate;
 use hal::gpio::AF5;
 use hal::prelude::*;
 use hal::rcc::Config;
 use hal::spi;
-use hal::stm32;
+
 use hal::stm32::Peripherals;
-use hal::timer::Timer;
+
 use stm32g4xx_hal as hal;
 
 use embedded_sdmmc::{
-    Block, BlockCount, BlockDevice, BlockIdx, Controller, Error, Mode, TimeSource, Timestamp,
-    VolumeIdx,
+    TimeSource, Timestamp,
 };
 
 use cortex_m_rt::entry;
-use log::info;
+
 
 #[macro_use]
 mod utils;
 
 #[entry]
 fn main() -> ! {
+    utils::logger::init();
+
     let dp = Peripherals::take().unwrap();
     let rcc = dp.RCC.constrain();
     let mut rcc = rcc.freeze(Config::hsi());
@@ -48,7 +48,7 @@ fn main() -> ! {
     let miso: PB14<Alternate<AF5>> = gpiob.pb14.into_alternate();
     let mosi: PB15<Alternate<AF5>> = gpiob.pb15.into_alternate();
 
-    let mut spi = dp
+    let spi = dp
         .SPI2
         .spi((sck, miso, mosi), spi::MODE_0, 400.khz(), &mut rcc);
 
@@ -69,6 +69,8 @@ fn main() -> ! {
 
     let mut cont = embedded_sdmmc::Controller::new(embedded_sdmmc::SdMmcSpi::new(spi, cs), Clock);
 
-    cont.device().init();
+    cont.device().init().unwrap();
+
+    #[allow(clippy::empty_loop)]
     loop {}
 }
diff --git a/examples/utils/logger.rs b/examples/utils/logger.rs
index 7e0dc1bd..9553ffb5 100644
--- a/examples/utils/logger.rs
+++ b/examples/utils/logger.rs
@@ -55,7 +55,6 @@ cfg_if::cfg_if! {
         impl log::Log for Logger {
             fn enabled(&self, metadata: &Metadata) -> bool {
                 metadata.level() <= self.level
-
             }
 
             fn log(&self, record: &Record) {