def _handshake(self):
self._write_reg("main_control", "stop", expect_response=False)
exp_addr = protocol.get_addr_for_reg("main_control")
exp_enc_val = protocol.encode_reg_val("main_control", "stop")
exp_reg_val = protocol.UnpackedRegVal(exp_addr, exp_enc_val)
exp_packet = protocol.UnpackedRegWriteResponse(exp_reg_val)
exp_frame = protocol.insert_packet_into_frame(exp_packet)
self._link.recv_until(exp_frame)
idn_reg = self._read_reg("product_id")
if idn_reg != protocol.EXPECTED_ID:
raise ClientError("unexpected product id")
def _handshake(self):
self._write_reg("main_control", "stop", expect_response=False)
exp_addr = protocol.get_addr_for_reg("main_control")
exp_enc_val = protocol.encode_reg_val("main_control", "stop")
exp_reg_val = protocol.RegVal(exp_addr, exp_enc_val)
exp_packet = protocol.RegWriteResponse(exp_reg_val)
exp_frame = protocol.insert_packet_into_frame(exp_packet)
self._link.recv_until(exp_frame)
idn_reg = self._read_reg("product_id")
possible_ids = [product.id for product in protocol.PRODUCTS]
if idn_reg not in possible_ids:
raise ClientError("unexpected product id")
def _send_packet(self, packet):
frame = protocol.insert_packet_into_frame(packet)
self._link.send(frame)
def test_insert_packet_into_frame():
frame = ptcl.insert_packet_into_frame(unp_reg_write_req)
assert frame == pkd_reg_write_req_frame