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WIP parsing hex line

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This commit is contained in:
Sergey Shchelkanov 2023-05-11 11:49:41 +03:00
parent 1b63ed557f
commit 292b90620e
2 changed files with 28 additions and 20 deletions
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42
mik32_parsers.py
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@ -35,41 +35,43 @@ def parse_hex_line(line: str) -> Record:
line, line[0]))
return ()
reclen = int(line[1:3], base=16) # Record length
addr = int(line[3:7], base=16) # Initial address of data byte
rectype = int(line[7:9], base=16) # Record type
data_bytes: List[str] = []
data_bytes_line = line[9:reclen*2 + 9]
for i in range(reclen):
data_bytes.append(data_bytes_line[i*2:i*2+2])
datalen = int(line[1:3], base=16) # Data field length
addr = int(line[3:7], base=16) # Load offset field
rectype = int(line[7:9], base=16) # Record type field
data_bytes_line = line[9:datalen*2 + 9] # Data field
crc = int(line[datalen*2 + 9:datalen*2 + 11], base=16)
splitted_by_bytes: List[str] = []
for i in range(datalen):
splitted_by_bytes.append(data_bytes_line[i*2:i*2+2])
data_bytes = list(map(lambda x: int(x, base=16), splitted_by_bytes))
record = Record(RecordType.UNKNOWN, 0, [])
if rectype == 0: # Data Record
record.type = RecordType.DATA
record.address = addr
record.data = list(map(lambda x: int(x, base=16), data_bytes))
record.data = data_bytes
elif rectype == 1: # End of File Record
record.type = RecordType.EOF
elif rectype == 2: # Extended Segment Address Record
record.type = RecordType.SEGADDR
record.address = addr
record.data = list(map(lambda x: int(x, base=16), data_bytes))
# record.address = addr
# record.data = list(map(lambda x: int(x, base=16), splitted_by_bytes))
elif rectype == 3: # Start Segment Address Record
print("Start Segment Address Record")
print("ERROR: unimplemented record type 3 on line %i" % (i+1))
is_error = True
record.type = RecordType.STARTADDR
# record.address = addr
# record.data = list(map(lambda x: int(x, base=16), splitted_by_bytes))
elif rectype == 4: # Extended Linear Address Record
record.type = RecordType.EXTADDR
record.address = addr
record.data = list(map(lambda x: int(x, base=16), data_bytes))
record.address = data_bytes[1] * pow(256, 2) + data_bytes[0] * pow(256, 3)
elif rectype == 5: # Start Linear Address Record
record.type = RecordType.LINEARSTARTADDR
record.address = addr
record.data = list(map(lambda x: int(x, base=16), data_bytes))
print("Start Linear Address is 0x%s (line %s)" %
(data_bytes_line, line))
address = 0
data_bytes.reverse()
for i in range(4):
address += data_bytes[i] * pow(256, i)
record.address = address
else:
record_type = RecordType.UNKNOWN

6
mik32_upload.py
View File

@ -55,6 +55,12 @@ def read_file(filename: str) -> List[Record]:
for line in lines:
record: Record = parse_line(line, file_extension)
print(record)
if record.type == RecordType.DATA:
pass
elif record.type == RecordType.EXTADDR:
pass
elif record.type == RecordType.LINEARSTARTADDR:
print("Start Linear Address:", record.address)
return segments