def set_response(self, ep, response):
if (EndpointType.epdir(ep) == EndpointType.IN
and response == EndpointResponse.ACK):
yield self.write(self.csrs['usb_in_ctrl'], EndpointType.epnum(ep))
elif (EndpointType.epdir(ep) == EndpointType.OUT
and response == EndpointResponse.ACK):
yield self.write(self.csrs['usb_out_ctrl'],
0x10 | EndpointType.epnum(ep))
def pending(self, ep):
if EndpointType.epdir(ep) == EndpointType.IN:
val = yield self.read(self.csrs['usb_in_status'])
raise ReturnValue(val & (1 << 4))
else:
val = yield self.read(self.csrs['usb_out_status'])
raise ReturnValue((val & (1 << 5) | (1 << 4))
and (EndpointType.epnum(ep) == (val & 0x0f)))
def clear_pending(self, epaddr):
if EndpointType.epdir(epaddr) == EndpointType.IN:
# Reset endpoint
self.dut._log.info("Clearing IN_EV_PENDING")
yield self.write(self.csrs['usb_in_ctrl'], 0x20)
yield self.write(self.csrs['usb_in_ev_pending'], 0xff)
else:
self.dut._log.info("Clearing OUT_EV_PENDING")
yield self.write(self.csrs['usb_out_ev_pending'], 0xff)
yield self.write(self.csrs['usb_out_ctrl'], 0x20)
def transaction_status_out(self, addr, ep):
epnum = EndpointType.epnum(ep)
assert EndpointType.epdir(ep) == EndpointType.OUT
xmit = cocotb.fork(self.host_send(PID.DATA1, addr, epnum, []))
yield xmit.join()
def print_ep(self, epaddr, msg, *args):
self.dut._log.info("ep(%i, %s): %s" %
(EndpointType.epnum(epaddr),
EndpointType.epdir(epaddr).name, msg) % args)