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implemented missing load & save mapping functions

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This commit is contained in:
Djeeberjr 2025-10-10 01:58:25 +02:00
parent 6b2c56f3e5
commit 75130e2d20
1 changed files with 39 additions and 7 deletions
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46
src/init/sd_card.rs
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@ -1,12 +1,10 @@
use alloc::{format, vec::Vec};
use alloc::vec::Vec;
use embassy_time::Delay;
use embedded_hal_bus::spi::ExclusiveDevice;
use embedded_sdmmc::{
Directory, SdCard, ShortFileName, TimeSource, Timestamp, VolumeIdx, VolumeManager,
};
use embedded_sdmmc::{SdCard, ShortFileName, TimeSource, Timestamp, VolumeIdx, VolumeManager};
use esp_hal::{Blocking, gpio::Output, spi::master::Spi};
use crate::store::{AttendanceDay, day::Day, persistence::Persistence};
use crate::store::{AttendanceDay, IDMapping, day::Day, persistence::Persistence};
pub struct DummyTimesource;
@ -41,6 +39,8 @@ pub struct SDCardPersistence {
}
impl SDCardPersistence {
const MAPPING_FILENAME: &'static str = "MAPPING.JS";
fn generate_filename(day: Day) -> ShortFileName {
let basename = day.to_string();
let mut filename: heapless::String<11> = heapless::String::new();
@ -83,6 +83,7 @@ impl Persistence for SDCardPersistence {
let mut file = root_dir
.open_file_in_dir(filename, embedded_sdmmc::Mode::ReadWriteCreateOrTruncate)
.unwrap();
file.write(&serde_json::to_vec(data).unwrap()).unwrap();
file.flush().unwrap();
@ -90,11 +91,42 @@ impl Persistence for SDCardPersistence {
}
async fn load_mapping(&mut self) -> Option<crate::store::IDMapping> {
todo!()
let mut vol_0 = self.vol_mgr.open_volume(VolumeIdx(0)).unwrap();
let mut root_dir = vol_0.open_root_dir().unwrap();
let file =
root_dir.open_file_in_dir(Self::MAPPING_FILENAME, embedded_sdmmc::Mode::ReadOnly);
if file.is_err() {
return None;
}
let mut open_file = file.unwrap();
let mut read_buffer: [u8; 1024] = [0; 1024];
let read = open_file.read(&mut read_buffer).unwrap();
open_file.close().unwrap();
let mapping: IDMapping = serde_json::from_slice(&read_buffer[..read]).unwrap();
Some(mapping)
}
async fn save_mapping(&mut self, data: &crate::store::IDMapping) {
todo!()
let mut vol_0 = self.vol_mgr.open_volume(VolumeIdx(0)).unwrap();
let mut root_dir = vol_0.open_root_dir().unwrap();
let mut file = root_dir
.open_file_in_dir(
Self::MAPPING_FILENAME,
embedded_sdmmc::Mode::ReadWriteCreateOrTruncate,
)
.unwrap();
file.write(&serde_json::to_vec(data).unwrap()).unwrap();
file.flush().unwrap();
file.close().unwrap();
}
async fn list_days(&mut self) -> Vec<Day> {