def test_serialport_parse_input():
chip = Chip(2, 0)
packets = chip.get_configuration_packets(Packet.CONFIG_READ_PACKET)
fpackets = [SerialPort._format_UART(p) for p in packets]
bytestream = b''.join(SerialPort.format_bytestream(fpackets))
result = SerialPort._parse_input(bytestream)
expected = packets
assert result == expected
def test_serialport_parse_input_dropped_stopstart_bytes():
chip = Chip(2, 2)
packets = chip.get_configuration_packets(Packet.CONFIG_READ_PACKET)
fpackets = [SerialPort._format_UART(p) for p in packets]
bytestream = b''.join(SerialPort.format_bytestream(fpackets))
# Drop the first stop byte
bytestream_faulty = bytestream[:9] + bytestream[11:]
#skipped = [(slice(0, 18), bytestream_faulty[:18])]
result = SerialPort._parse_input(bytestream_faulty)
expected = packets[2:]
assert result == expected
def _parse_configs_v2_4(row, asic_version, *args, **kwargs):
key = Key(row['io_group'],row['io_channel'],row['chip_id'])
if asic_version in ('1','2'):
c = Chip(key,version=int(asic_version))
else:
c = Chip(key,version=asic_version)
d = dict()
for i in range(c.config.num_registers):
d[i] = row['registers'][i]
endian = 'big' if asic_version == '1' else 'little'
c.config.from_dict_registers(d, endian=endian)
return c
def test_serialport_parse_input_dropped_data_byte():
# Test whether the parser can recover from dropped bytes
chip = Chip(2, 0)
packets = chip.get_configuration_packets(Packet.CONFIG_READ_PACKET)
fpackets = [SerialPort._format_UART(p) for p in packets]
bytestream = b''.join(SerialPort.format_bytestream(fpackets))
# Drop a byte in the first packet
bytestream_faulty = bytestream[:5] + bytestream[6:]
result = SerialPort._parse_input(bytestream_faulty)
#skipped = [(slice(0, 9), bytestream_faulty[0:9])]
expected = packets[1:]
assert result == expected
def test_controller_write_capture(tmpdir):
controller = Controller()
controller.logger = HDF5Logger(directory=str(tmpdir), buffer_length=1)
controller.logger.open()
controller.chips[0] = Chip(2, 0)
chip = controller.chips[0]
controller.write_configuration(0, 0)
packet = chip.get_configuration_packets(Packet.CONFIG_WRITE_PACKET)[0]
assert len(controller.logger._buffer) == 1
def test_controller_write_capture(capfd):
controller = Controller()
controller.logger = StdoutLogger(buffer_length=1)
controller.logger.open()
controller.chips[0] = Chip(2, 0)
chip = controller.chips[0]
controller.write_configuration(0, 0)
packet = chip.get_configuration_packets(Packet.CONFIG_WRITE_PACKET)[0]
assert len(controller.logger._buffer) == 1
def test_serialport_format_bytestream():
chip = Chip(2, 0)
packets = chip.get_configuration_packets(Packet.CONFIG_READ_PACKET)
fpackets = [SerialPort._format_UART(p) for p in packets]
result = SerialPort.format_bytestream(fpackets[:1])
assert result == fpackets[:1]
result = SerialPort.format_bytestream(fpackets[:2])
assert result == [b''.join(fpackets[:2])]
test_total_packets = 2000
result = SerialPort.format_bytestream(fpackets[:1] * test_total_packets)
expected = []
total_packets = test_total_packets
while total_packets >= int(
SerialPort.max_write / SerialPort.fpga_packet_size):
expected.append(
b''.join(fpackets[:1] *
int(SerialPort.max_write / SerialPort.fpga_packet_size)))
total_packets -= int(SerialPort.max_write /
SerialPort.fpga_packet_size)
if total_packets > 0:
expected.append(b''.join(fpackets[:1] * int(total_packets)))
assert result == expected
def test_serialport_format_UART():
chip = Chip(2, 0)
packet = chip.get_configuration_packets(Packet.CONFIG_READ_PACKET)[10]
result = SerialPort._format_UART(packet)
expected = b'\x73' + packet.bytes() + b'\x00\x71'
assert result == expected
def chip():
c = Chip('1-2-3')
return c