.gitignore

@@ -1,3 +1,2 @@
 galois-git/
 galois
-__pycache__

README.md

@@ -11,7 +11,7 @@ This code can correct up to 8 bit errors.
 
 ## AVR 
 
-Here you find space efficient code for an AVR µC, in C and assembler.
+Here you find space efficient code for an AVR µC, in C and assmebler.
 
 ## Python
 

bch4369.py

@@ -51,11 +51,8 @@ class bch4369():
     def load_galois(self):
         if self.galois is not None:
             return
-        print("BCH4369: loading module galois …", file=stderr)
         from galois import BCH, GF
-        print("BCH4369: … building BCH(4369) …", file=stderr)
         self.galois = BCH(4369, 4369-128, extension_field=GF(2**16))
-        print("BCH4369: … done.", file=stderr)
 
     def decode(self, *a, **aa):
         self.load_galois()
@@ -81,16 +78,10 @@ class bch4369():
             return True
         return False
 
-    class BCHError(IOError):
-        pass
-
     def fix_page(self, b, what='codeword'):
         a, e = self.decode(self.bytes2bits(self.salt + b), output=what, errors=True)
         m = self.bits2bytes(a)
-        if not e:
+        if e:
-            return b
-        if e<0:
-            raise self.BCHError(f"BCH4369: {e=}: cannot correct errors")
             print(f"BCH4369: {e} errors corrected", file=stderr)
             if m[:len(self.salt)] != self.salt:
                 print(f"BCH4369: error in the salt {self.salt!r} → {m[:len(self.salt)]!r}", file=stderr)