def format_file(self):
data = bytearray(64<<10)
memview = memoryview(data)
hdr = Pch2File.standard_text_header % (self.type,
self.binary_version, self.build_version)
memview[:len(hdr)] = hdr
memview = memview[len(hdr):]
#memview = self.format_header(memview)
memview[0] = chr(self.binary_version)
memview[1] = chr(self.binary_revision)
fmemview = self.format(memview[2:])
bytes = len(memview) - len(fmemview)
data_crc = crc(memview[:bytes])
memview[bytes:bytes+2] = pack('>H', crc(memview[:bytes]))
bytes = len(data) - len(fmemview) + 2
return data[:bytes]
def format_file(self):
data = bytearray(64 << 10)
memview = memoryview(data)
hdr = Pch2File.standard_text_header % (self.type, self.binary_version,
self.build_version)
memview[:len(hdr)] = hdr
memview = memview[len(hdr):]
#memview = self.format_header(memview)
memview[0] = chr(self.binary_version)
memview[1] = chr(self.binary_revision)
fmemview = self.format(memview[2:])
bytes = len(memview) - len(fmemview)
data_crc = crc(memview[:bytes])
memview[bytes:bytes + 2] = pack('>H', crc(memview[:bytes]))
bytes = len(data) - len(fmemview) + 2
return data[:bytes]
def read(self, filename):
self.filename = filename
self.data = bytearray(open(filename, 'rb').read())
memview = self.parse_header(memoryview(self.data), filename)
bytes = len(self.parse(memview[2:-2]))
ecrc = unpack('>H', self.data[-2:])[0]
acrc = crc(memview[:-2])
if ecrc != acrc:
printf('Bad CRC 0x%x 0x%x\n' % (ecrc, acrc))
def read(self, filename):
self.filename = filename
self.data = bytearray(open(filename, 'rb').read())
memview = self.parse_header(memoryview(self.data), filename)
bytes = len(self.parse(memview[2:-2]))
ecrc = unpack('>H', self.data[-2:])[0]
acrc = crc(memview[:-2])
if ecrc != acrc:
printf('Bad CRC 0x%x 0x%x\n' % (ecrc, acrc))
