eculocate

commit cf897a43d66dfc4b459819aded6a9f2dcfa0765e
parent 7c6a28f285ed54c208020519f85748b726b382f8
Author: Eli Hastings <dan@muckypupcreations.com>
Date:   Mon, 14 Jul 2025 20:49:49 +0100

feat: Add OTA resumption (#5)

This is a simple first pass adding the bare minimum (I think) to get OTA
resumption working. It's assumed that the flash size and target CRC will
have the same source as before, so the only extra details required are
progress remaining and last CRC.
Diffstat:
M
src/lib.rs
 | 
27
+++++++++++++++++++++++++++

1 file changed, 27 insertions(+), 0 deletions(-)
diff --git a/src/lib.rs b/src/lib.rs
@@ -70,6 +70,33 @@ where
         Ok(())
     }
 
+    /// Resumes an OTA update after progress has been lost
+    pub fn ota_resume(&mut self, flash_size: u32, remaining: u32, target_crc: u32, last_crc: u32) {
+        let next_part = self.get_next_ota_partition().unwrap_or(0);
+        let ota_offset = self.get_partitions()[next_part].0;
+        self.progress = Some(FlashProgress {
+            last_crc,
+            flash_size,
+            remaining,
+            flash_offset: ota_offset,
+            target_partition: next_part,
+            target_crc,
+        });
+    }
+
+    /// Returns progress details to save for resumption later
+    pub fn get_progress_details(&self) -> Option<(u32, u32)> {
+        if self.progress.is_none() {
+            #[cfg(feature = "log")]
+            log::warn!("[OTA] Cannot get progress details!");
+
+            return None;
+        }
+
+        let progress = self.progress.as_ref().unwrap();
+        Some((progress.remaining, progress.last_crc))
+    }
+
     /// Returns ota progress in f32 (0..1)
     pub fn get_ota_progress(&self) -> f32 {
         if self.progress.is_none() {