niklas/fw-anwesenheit
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Philipp_EndevourOS 2025-07-28 22:22:07 +02:00
parent 5a2beb1fb3
commit c1b54920ff
3 changed files with 43 additions and 31 deletions
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27
src/drivers/rtc.rs
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@ -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)
}
}
}

41
src/init/hardware.rs
View File

@ -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() {

6
src/main.rs
View File

@ -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);
}
}