def test_ihexcksum(self):
self.assertEqual(hexutils.ihexcksum(':03000006030000F4'), 'F4')
self.assertEqual(hexutils.ihexcksum(':03000006030000'), 'F4')
self.assertEqual(hexutils.ihexcksum(':00000001FF'), 'FF')
self.assertEqual(hexutils.ihexcksum(':00000001'), 'FF')
self.assertEqual(hexutils.ihexcksum(':100130003F0156702B5E712B722B732146013421C7'), 'C7')
self.assertEqual(hexutils.ihexcksum(':100130003F0156702B5E712B722B732146013421'), 'C7')
def send(self, data):
"""Send message to device."""
# we suppose that trought serial line is send only intel hex
# so we check if hex is OK or need append checksum
if data[0] != ':':
raise ValueError("FIXME: we expect intel hex but got: %s" % data)
l = int(data[1:3], 16)
if 1 + 2 + 4 + 2 + 2*l == len(data):
data = data + hexutils.ihexcksum(data)
elif 1 + 2 + 4 + 2 + 2*l + 2 != len(data):
raise ValueError("FIXME: Invalid lenght for intel hex???: %s" % data)
print("SerialIO.send(%s)" % data)
return self.port.write(bytes(data, 'ascii') + self._nl)
def send(self, data):
"""Send message to device."""
# we suppose that trought serial line is send only intel hex
# so we check if hex is OK or need append checksum
if data[0] != ':':
raise ValueError("FIXME: we expect intel hex but got: %s" % data)
l = int(data[1:3], 16)
if 1 + 2 + 4 + 2 + 2 * l == len(data):
data = data + hexutils.ihexcksum(data)
elif 1 + 2 + 4 + 2 + 2 * l + 2 != len(data):
raise ValueError("FIXME: Invalid lenght for intel hex???: %s" %
data)
print("SerialIO.send(%s)" % data)
return self.port.write(bytes(data, 'ascii') + self._nl)
def test_ihexcksum(self):
self.assertEqual(hexutils.ihexcksum(':03000006030000F4'), 'F4')
self.assertEqual(hexutils.ihexcksum(':03000006030000'), 'F4')
self.assertEqual(hexutils.ihexcksum(':00000001FF'), 'FF')
self.assertEqual(hexutils.ihexcksum(':00000001'), 'FF')
self.assertEqual(
hexutils.ihexcksum(':100130003F0156702B5E712B722B732146013421C7'),
'C7')
self.assertEqual(
hexutils.ihexcksum(':100130003F0156702B5E712B722B732146013421'),
'C7')
