added comment for Pinout

src/drivers/rtc.rs

@@ -1 +1,28 @@
 
+pub async fn rtc_config(i2c: I2c<'static, Async>) -> DS3231<I2c<'static, Async>> {
+    let mut rtc: DS3231<I2c<'static, Async>> = DS3231::new(i2c, RTC_ADDRESS);
+    let daily_alarm = Alarm1Config::AtTime {
+        hours: 0,   // set alarm every day 00:00:00 to sync time
+        minutes: 0,
+        seconds: 0,
+        is_pm: None, // 24-hour mode
+    };
+    if let Err(e) = rtc.set_alarm1(&daily_alarm).await {
+        error!("Failed to configure RTC: {:?}", e);
+        panic!();
+    }
+    rtc
+}
+
+pub async fn read_rtc_time<'a>(rtc: &'a mut DS3231<I2c<'static, Async>>) -> Result<u64, DS3231Error<esp_hal::i2c::master::Error>> {
+    match rtc.datetime().await {
+        Ok(datetime) => {
+            let utc_time = datetime.and_utc().timestamp() as u64;
+            Ok(utc_time)
+        }
+        Err(e) => {
+            error!("Failed to read RTC datetime: {:?}", e);
+            Err(e)
+        }
+    }
+}

src/init/hardware.rs

@@ -23,6 +23,19 @@ use log::error;
 use crate::init::wifi;
 use crate::init::network;
 
+/*************************************************
+ * GPIO Pinout Xiao Esp32c6 
+ *
+ * D0 -> Level Shifter OE
+ * D1 -> Level Shifter A0 -> LED
+ * D3 -> SQW Interrupt RTC
+ * D4 -> SDA
+ * D5 -> SCL
+ * D7 -> Level Shifter A1 -> NFC Reader
+ * D8 -> Buzzer
+ *
+ */
+
 const RTC_ADDRESS: u8 =  0x57;
 
 #[panic_handler]
@@ -110,34 +123,6 @@ pub async fn rtc_init_iterrupt(sqw_pin: GPIO21<'static>) -> Input<'static> {
     sqw_interrupt
 }
 
-pub async fn rtc_config(i2c: I2c<'static, Async>) -> DS3231<I2c<'static, Async>> {
-    let mut rtc: DS3231<I2c<'static, Async>> = DS3231::new(i2c, RTC_ADDRESS);
-    let daily_alarm = Alarm1Config::AtTime {
-        hours: 0,   // set alarm every day 00:00:00 to sync time
-        minutes: 0,
-        seconds: 0,
-        is_pm: None, // 24-hour mode
-    };
-    if let Err(e) = rtc.set_alarm1(&daily_alarm).await {
-        error!("Failed to configure RTC: {:?}", e);
-        panic!();
-    }
-    rtc
-}
-
-pub async fn read_rtc_time<'a>(rtc: &'a mut DS3231<I2c<'static, Async>>) -> Result<u64, DS3231Error<esp_hal::i2c::master::Error>> {
-    match rtc.datetime().await {
-        Ok(datetime) => {
-            let utc_time = datetime.and_utc().timestamp() as u64;
-            Ok(utc_time)
-        }
-        Err(e) => {
-            error!("Failed to read RTC datetime: {:?}", e);
-            Err(e)
-        }
-    }
-}
-
 
 fn setup_spi_led() {
 

src/main.rs

@@ -74,17 +74,17 @@ async fn rtc_task(
     sqw_pin: peripherals::GPIO21<'static>,
 ) {
     let mut rtc_interrupt = init::hardware::rtc_init_iterrupt(sqw_pin).await;
-    let mut rtc = init::hardware::rtc_config(i2c).await;
+    let mut rtc = drivers::rtc::rtc_config(i2c).await;
 
     let mut utc_time = UTC_TIME.lock().await;
-    let timestamp_result = init::hardware::read_rtc_time(&mut rtc).await;
+    let timestamp_result = drivers::rtc::read_rtc_time(&mut rtc).await;
     *utc_time = timestamp_result.unwrap_or(0);
 
     loop {
         rtc_interrupt.wait_for_falling_edge().await;
         debug!("RTC interrupt triggered");
         utc_time = UTC_TIME.lock().await;
-        let timestamp_result = init::hardware::read_rtc_time(&mut rtc).await;
+        let timestamp_result = drivers::rtc::read_rtc_time(&mut rtc).await;
         *utc_time = timestamp_result.unwrap_or(0);
     }
 }