style: clean up.

src/dc_out_controller.rs

@@ -12,7 +12,7 @@ use esp_idf_svc::eventloop::{
     EspSubscription, EspTypedEventDeserializer, EspTypedEventSerializer, EspTypedEventSource, User,
 };
 use esp_idf_sys::c_types;
-use log::{info, warn};
+use log::{info, warn, debug};
 use serde_json::json;
 
 use crate::voltage_detection::{VoltageDetectionWorker, VOLTAGE_EVENTLOOP};
@@ -22,7 +22,6 @@ const WAITING_OFF_SECONDS: u8 = 60;
 pub static mut DC_OUT_STATE_EVENT_LOOP: Option<
     EspEventLoop<esp_idf_svc::eventloop::User<Background>>,
 > = None;
-static mut INSTANCE: Option<DcOutController> = None;
 
 #[derive(Debug, Clone, Copy, PartialEq)]
 pub enum DcOutStatus {
@@ -174,7 +173,7 @@ pub struct DcOutController {
 
 impl DcOutController {
     pub fn new() -> anyhow::Result<Self> {
-        let mut pin = unsafe { Gpio6::<Output>::new() }
+        let pin = unsafe { Gpio6::<Output>::new() }
             .into_output()
             .map_err(|err| anyhow::anyhow!("Make Gpio6 Into output Failed. {}", err))?;
 
@@ -223,7 +222,7 @@ impl DcOutController {
                     } else {
                         warn!("DC_OUT_STATE_EVENT_LOOP is None");
                     }
-                    info!("status: {:?}", state);
+                    debug!("status: {:?}", state);
                 })
                 .map_err(|err| anyhow::anyhow!("Subscribe Voltage Failed. {}", err))?;
             self.voltage_subscription = Some(voltage_subscription);

src/main.rs

@@ -1,11 +1,9 @@
-use embedded_svc::event_bus::{EventBus, Postbox};
-use esp_idf_svc::eventloop::{Background, EspBackgroundEventLoop, EspEventLoop};
+use embedded_svc::event_bus::{EventBus};
+use esp_idf_svc::eventloop::{EspBackgroundEventLoop};
 use esp_idf_sys::{self as _};
 use log::*;
 use std::{
-    borrow::Borrow,
     env,
-    sync::{Arc, Mutex},
     thread::{self, sleep},
     time::Duration,
 };
@@ -105,11 +103,8 @@ fn main() {
                                 topic: "voltage".to_string(),
                                 message: json_str,
                             });
-                            match result {
-                                Ok(()) => {
-                                    warn!("send voltage to mq message failed.")
-                                }
-                                Err(err) => warn!("send voltage to mq message failed. {}", err),
+                            if let Err(err) = result {
+                                warn!("send voltage to mq message failed. {}", err)
                             }
                         }
                         Err(err) => warn!("send voltage to mq message failed. {}", err),
@@ -145,11 +140,8 @@ fn main() {
                             message: message.to_json(),
                         });
 
-                        match result {
-                            Ok(_) => {
-                                info!("send dc_out_state message success.")
-                            }
-                            Err(err) => warn!("send dc_out_state message failed. {}", err),
+                        if let Err(err) = result {
+                            warn!("send dc_out_state message failed. {}", err)
                         }
                     }
                     Err(err) => warn!("send dc_out_state to mq message failed. {}", err),

src/time.rs

@@ -1,8 +1,7 @@
-use anyhow::bail;
 use embedded_svc::sys_time::SystemTime;
 use esp_idf_svc::sntp::{self, EspSntp};
 use esp_idf_svc::systime::EspSystemTime;
-use log::{warn, info};
+use log::{info};
 use std::time::{Duration};
 
 pub struct Time {

src/voltage_detection.rs

@@ -23,7 +23,7 @@ use esp_idf_svc::{
     timer::{EspTimer, EspTimerService},
 };
 use esp_idf_sys::c_types;
-use log::{info, warn};
+use log::{warn, debug};
 use serde::{Deserialize, Serialize};
 
 pub static mut VOLTAGE_EVENTLOOP: Option<EspEventLoop<esp_idf_svc::eventloop::User<Background>>> = None;
@@ -64,7 +64,7 @@ impl VoltageDetection {
                     if let Err(err) = worker.read_once() {
                         warn!("Read Failed. {}", err);
                     }
-                    info!(
+                    debug!(
                         "Adapter: {},\tBattery: {},\t Output: {}",
                         worker.adapter_voltage, worker.battery_voltage, worker.output_voltage
                     );
@@ -78,8 +78,6 @@ impl VoltageDetection {
                             None,
                         ) {
                             warn!("Post Result to Event Loop failed. {}", err);
-                        } else {
-                            info!("Event Loop Post");
                         }
                     } else {
                         warn!("EVENTLOOP IS NONE");