From bce26c3548d02ea9a8957dd5b593ab75fe9956c6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Hru=C5=A1ka?= <ondra@ondrovo.com>
Date: Wed, 27 Dec 2017 12:05:46 +0100
Subject: [PATCH] added tf todos

---
 TinyFrame.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/TinyFrame.py b/TinyFrame.py
index 53aa3b3..f169fcc 100644
--- a/TinyFrame.py
+++ b/TinyFrame.py
@@ -59,7 +59,7 @@ class TinyFrame:
         elif self.CKSUM_TYPE == 'crc16':
             return 2
         elif self.CKSUM_TYPE == 'crc32':
-            return 2
+            return 4
         else:
             raise Exception("Bad cksum type!")
 
@@ -74,9 +74,11 @@ class TinyFrame:
             return (~acc) & ((1<<(self._CKSUM_BYTES*8))-1)
 
         elif self.CKSUM_TYPE == 'crc16':
+            # TODO implement crc16
             raise Exception("CRC16 not implemented!")
 
         elif self.CKSUM_TYPE == 'crc32':
+            # TODO implement crc32
             raise Exception("CRC32 not implemented!")
 
         else:
@@ -161,6 +163,8 @@ class TinyFrame:
             self.accept_byte(b)
 
     def accept_byte(self, b):
+        # TODO this seems ripe for rewrite to avoid repetitive code
+
         if self.ps == 'SOF':
             if self.USE_SOF_BYTE:
                 if b != self.SOF_BYTE:
@@ -334,6 +338,7 @@ class TinyFrame:
         }
 
 class TF_Msg:
+    """ A TF message object """
     def __init__(self):
         self.data = bytearray()
         self.len = 0
@@ -344,6 +349,7 @@ class TF_Msg:
         return f"ID {self.id:X}h, type {self.type:X}h, len {self.len:d}, body: {self.data}"
 
 class TF:
+    """ Constants """
     STAY = 'STAY'
     RENEW = 'RENEW'
     CLOSE = 'CLOSE'