add recording space warning

OpenGammaProject · Feb 2, 2024 · 60498e2 · 60498e2
1 parent 5a1c9d0
commit 60498e2
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Showing 3 changed files with 21 additions and 4 deletions.
diff --git a/software/ogd_pico/FS.cpp b/software/ogd_pico/FS.cpp
@@ -12,6 +12,14 @@
 
 #include <LittleFS.h>  // Needed to interface with the FS on flash
 
+uint8_t getUsedPercentageFS() {
+  FSInfo fsinfo;
+  LittleFS.info(fsinfo);
+
+  return round(float(fsinfo.usedBytes) / fsinfo.totalBytes * 100.0);
+}
+
+
 void fsInfo([[maybe_unused]] String *args) {
   FSInfo fsinfo;
   LittleFS.info(fsinfo);
@@ -24,7 +32,7 @@ void fsInfo([[maybe_unused]] String *args) {
 
   println("Total Size: \t" + String(fsinfo.totalBytes / 1000.0) + " kB");
   print("Used Size: \t\t" + String(fsinfo.usedBytes / 1000.0) + " kB");
-  cleanPrintln(" / " + String(float(fsinfo.usedBytes) / fsinfo.totalBytes * 100) + " %");
+  cleanPrintln(" / " + String(getUsedPercentageFS()) + " %");
   println("Data Dir Size: \t" + String(dirSize / 1000.0) + " kB");
   // Uncomment these for advanced users
   //println("Block Size: " + String(fsinfo.blockSize / 1000.0) + " kB");

diff --git a/software/ogd_pico/FS.h b/software/ogd_pico/FS.h
@@ -15,6 +15,8 @@
 
 const String DATA_DIR_PATH = "/data/";
 
+uint8_t getUsedPercentageFS();
+
 void fsInfo(String *args);
 void readDirFS(String *args);
 void readFileFS(String *args);

diff --git a/software/ogd_pico/ogd_pico.ino b/software/ogd_pico/ogd_pico.ino
@@ -13,10 +13,8 @@
   ## except you know exactly what you are doing!
   ## Flash with default settings and
   ##   Flash Size: "2MB (Sketch: 1MB, FS: 1MB)"
-
-  TODO: (?) Adafruit TinyUSB lib: WebUSB support
   
-  TODO: Retry a coincidence detection feature
+
   TODO: Add cps line trend to geiger mode
   TODO: Add custom display font
 
@@ -390,6 +388,9 @@ void recordCycle() {
     doc.shrinkToFit();
 
     File saveFile = LittleFS.open(DATA_DIR_PATH + recordingFile, "w");  // Open read and write
+    if (!saveFile) {
+      println("Could not create file to save recording data!", true);
+    }
     serializeJson(doc, saveFile);
     saveFile.close();
 
@@ -410,6 +411,12 @@ void recordStart(String *args) {
     return;
   }
 
+  // Check and warn if the filesystem is almost full
+  if (getUsedPercentageFS() > 90) {
+    println("WARNING: Filesystem is almost full. Check if you have enough space for an additional recording.", true);
+    println("The device might not be able to save the data. Delete old files if you need more free space.", true);
+  }
+
   // Find the position of the first space
   const int spaceChar = command.indexOf(' ');