def test_session(ep, address, bus_speed):
pktLength = 10
ied = 500
session = UsbSession(bus_speed=bus_speed,
run_enumeration=False,
device_address=address)
session.add_event(
UsbTransaction(
session,
deviceAddress=address,
endpointNumber=ep,
endpointType="BULK",
transType="OUT",
dataLength=pktLength,
))
# Expect NAK's from DUT
session.add_event(
TokenPacket(
pid=USB_PID["IN"],
address=address,
endpoint=ep,
))
session.add_event(RxHandshakePacket(pid=USB_PID["NAK"]))
session.add_event(
TokenPacket(
pid=USB_PID["OUT"],
address=address,
endpoint=ep,
interEventDelay=ied,
))
session.add_event(
TxDataPacket(
dataPayload=session.getPayload_out(ep, pktLength),
pid=USB_PID["DATA0"],
))
session.add_event(RxHandshakePacket(pid=USB_PID["NAK"]))
return session
def test_session(ep, address, bus_speed):
session = UsbSession(bus_speed=bus_speed,
run_enumeration=False,
device_address=address)
# The large inter-frame gap is to give the DUT time to print its output
interEventDelay = 500
# Valid OUT transaction
session.add_event(
UsbTransaction(
session,
deviceAddress=address,
endpointNumber=ep,
endpointType="BULK",
transType="OUT",
dataLength=10,
interEventDelay=interEventDelay,
))
# OUT Transaction with invalid DATA PID. XCORE should ignore packet - no ACK
session.add_event(
TokenPacket(
pid=USB_PID["OUT"],
address=address,
endpoint=ep,
interEventDelay=interEventDelay,
))
session.add_event(
TxDataPacket(
dataPayload=session.getPayload_out(ep, 11, resend=True),
pid=USB_PID["DATA1"] & 0xF,
))
# Send some valid OUT transactions
session.add_event(
UsbTransaction(
session,
deviceAddress=address,
endpointNumber=ep,
endpointType="BULK",
transType="OUT",
dataLength=11,
interEventDelay=interEventDelay,
))
session.add_event(
UsbTransaction(
session,
deviceAddress=address,
endpointNumber=ep,
endpointType="BULK",
transType="OUT",
dataLength=12,
interEventDelay=interEventDelay,
))
session.add_event(
UsbTransaction(
session,
deviceAddress=address,
endpointNumber=ep,
endpointType="BULK",
transType="OUT",
dataLength=13,
interEventDelay=interEventDelay,
))
return session