|
|
|
@ -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' |
|
|
|
|