def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
self.fftWindowSize = 1024
self.dataUnitSize = 4*4 # hence 16 bytes per frequency bin
self.accumulationLength = 3125
self.samplingFrequency = 800e6
QtCore.QObject.connect(self.ui._connectToRoachButton, QtCore.SIGNAL('clicked()'), self.connectToRoach)
QtCore.QObject.connect(self.ui._initRoachButton, QtCore.SIGNAL('clicked()'), self.initialiseRoach)
QtCore.QObject.connect(self.ui._channelUpdateButton, QtCore.SIGNAL('clicked()'), self.updateChannel)
QtCore.QObject.connect(self.ui._tenGbeUpdateButton, QtCore.SIGNAL('clicked()'), self.updateTenGbe)
QtCore.QObject.connect(self.ui._packetsUpdateButton, QtCore.SIGNAL('clicked()'), self.updatePackets)
QtCore.QObject.connect(self.ui._signalUpdateButton, QtCore.SIGNAL('clicked()'), self.updateSignal)
QtCore.QObject.connect(self.ui._NDUpdateButton, QtCore.SIGNAL('clicked()'), self.updateNoiseDiode)
QtCore.QObject.connect(self.ui._NDHighTimeSpinbox, QtCore.SIGNAL('valueChanged(int)'), self.NDHighTimeSeconds)
QtCore.QObject.connect(self.ui._NDLowTimeSpinbox, QtCore.SIGNAL('valueChanged(int)'), self.NDLowTimeSeconds)
self.NDHighTimeSeconds()
self.NDLowTimeSeconds()
self.runTimer()
class roachWin(QtGui.QMainWindow):
pollRegisters = False
fpga = None
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
self.fftWindowSize = 1024
self.dataUnitSize = 4*4 # hence 16 bytes per frequency bin
self.accumulationLength = 3125
self.samplingFrequency = 800e6
QtCore.QObject.connect(self.ui._connectToRoachButton, QtCore.SIGNAL('clicked()'), self.connectToRoach)
QtCore.QObject.connect(self.ui._initRoachButton, QtCore.SIGNAL('clicked()'), self.initialiseRoach)
QtCore.QObject.connect(self.ui._channelUpdateButton, QtCore.SIGNAL('clicked()'), self.updateChannel)
QtCore.QObject.connect(self.ui._tenGbeUpdateButton, QtCore.SIGNAL('clicked()'), self.updateTenGbe)
QtCore.QObject.connect(self.ui._packetsUpdateButton, QtCore.SIGNAL('clicked()'), self.updatePackets)
QtCore.QObject.connect(self.ui._signalUpdateButton, QtCore.SIGNAL('clicked()'), self.updateSignal)
QtCore.QObject.connect(self.ui._NDUpdateButton, QtCore.SIGNAL('clicked()'), self.updateNoiseDiode)
QtCore.QObject.connect(self.ui._NDHighTimeSpinbox, QtCore.SIGNAL('valueChanged(int)'), self.NDHighTimeSeconds)
QtCore.QObject.connect(self.ui._NDLowTimeSpinbox, QtCore.SIGNAL('valueChanged(int)'), self.NDLowTimeSeconds)
self.NDHighTimeSeconds()
self.NDLowTimeSeconds()
self.runTimer()
def connectToRoach(self):
roachIP = self.ui._roachHostIPBox.text()
katcpPort = self.ui._katcpPortSpinbox.value()
try:
self.fpga = casperfpga.katcp_fpga.KatcpFpga(roachIP, katcpPort)
except casperfpga.katcp_fpga.KatcpRequestError:
QtGui.QMessageBox.about(self, 'Error', 'Could not connect to ROACH %s'%(roachIP))
else:
self.ui._initRoachButton.setEnabled(True)
def initialiseRoach(self):
# An if statement will need to be here to determine which gateware to use.
gateware = 'wb_spectrometer_11_2015_Aug_27_1506'
self.fpga.system_info['program_filename'] = '%s.bof'%(gateware)
try:
self.fpga.program()
except casperfpga.katcp_fpga.KatcpRequestError:
QtGui.QMessageBox.about(self, 'Error', 'Couldn\'t program ROACH with %s.bof'%(gateware))
else:
try:
self.fpga.get_system_information('%s.fpg'%(gateware))
except IOError:
QtGui.QMessageBox.about(self, 'Error', 'Couldn\'t find file %s.fpg'%(gateware))
else:
self.ui._gatewareSelectCombo.setEnabled(True)
#self.ui._channelUpdateButton.setEnabled(True)
self.ui._tenGbeUpdateButton.setEnabled(True)
self.ui._packetsUpdateButton.setEnabled(True)
self.ui._signalUpdateButton.setEnabled(True)
self.ui._NDUpdateButton.setEnabled(True)
self.ui._initRoachButton.setEnabled(True)
#self.updateChannel()
self.updateTenGbe()
self.updatePackets()
self.updateSignal()
self.updateNoiseDiode()
self.pollRegisters = True # This will actually only come after initialising the ROACH
def updateChannel(self):
channel = self.ui._channelSelectSpinbox.text()
QtGui.QMessageBox.about(self, 'Notice', 'Channel select not implemented yet')
def updateTenGbe(self):
strDestinationIP = str(self.ui._destinationIPBox.text()) # because it returns a Qstr, needs to be cast to str
packedDestinationIP = socket.inet_aton(strDestinationIP)
destinationIP = struct.unpack('!L', packedDestinationIP)[0]
destinationPort = self.ui._destinationPortSpinbox.value()
try:
self.fpga.registers.tgbe0_dest_ip.write(reg = destinationIP)
self.fpga.registers.tgbe0_dest_port.write(reg = destinationPort)
except casperfpga.katcp_fpga.KatcpRequestError:
QtGui.QMessageBox.about(self, 'Error', 'Unable to write 10GbE information to ROACH')
def updatePackets(self):
dataSizePerPacket_B = self.ui._dataSizePerPacketSpinbox.value()
interpacketLength_cycles = self.ui._interpacketLengthSpinbox.value()
packetsPerWindow_n = self.fftWindowSize * self.dataUnitSize / dataSizePerPacket_B
self.ui._packetsPerWindowLabel.setText(str(packetsPerWindow_n))
try:
self.fpga.registers.eth_data_size_per_packet.write_int(dataSizePerPacket_B)
self.fpga.registers.eth_interpacket_length.write_int(interpacketLength_cycles)
self.fpga.registers.eth_packets_per_accum_window.write_int(packetsPerWindow_n)
except casperfpga.katcp_fpga.KatcpRequestError:
QtGui.QMessageBox.about(self, 'Error', 'Unable to write packet information to ROACH')
def updateSignal(self):
fftShift = self.ui._fftShiftShiftbox.value()
accumulationLength = self.ui._accumulationLengthSpinbox.value()
adcAttenuation = self.ui._adcAttenuationSpinbox.value()
try:
self.fpga.registers.fft_shift.write_int(fftShift)
self.fpga.registers.accumulation_length.write_int(accumulationLength)
except casperfpga.katcp_fpga.KatcpRequestError:
QtGui.QMessageBox.about(self, 'Error', 'Unable to write signal information to ROACH')
def updateNoiseDiode(self):
NDEnable = self.ui._NDEnableCheckbox.isChecked()
NDDutyCycleMode = self.ui._NDDutycycleModeCheckbox.isChecked()
NDHighTime = self.ui._NDHighTimeSpinbox.value()
NDLowTime = self.ui._NDLowTimeSpinbox.value()
try:
self.fpga.registers.noise_diode_on_length.write_int(NDHighTime)
self.fpga.registers.noise_diode_off_length.write_int(NDLowTime)
self.fpga.registers.noise_diode_duty_cycle_en.write_int(int(NDDutyCycleMode))
self.fpga.registers.noise_diode_en.write_int(int(NDEnable))
except casperfpga.katcp_fpga.KatcpRequestError:
QtGui.QMessageBox.about(self, 'Error', 'Unable to write noise diode information to ROACH')
def NDHighTimeSeconds(self):
NDHighTimeSeconds = float(self.ui._NDHighTimeSpinbox.value()) * self.accumulationLength * 2*self.fftWindowSize / self.samplingFrequency
self.ui._NDHighTimeLabel.setText(str(NDHighTimeSeconds) + ' s')
def NDLowTimeSeconds(self):
NDLowTimeSeconds = float(self.ui._NDLowTimeSpinbox.value()) * self.accumulationLength * 2*self.fftWindowSize / self.samplingFrequency
self.ui._NDLowTimeLabel.setText('\t' + str(NDLowTimeSeconds) + ' s') # \t just to space them out a bit more sensibly
def updateIndicators(self):
if self.pollRegisters:
self.ui._tenGbEStatusLabel.setText(str(bool(self.fpga.read_int('tgbe0_linkup'))))
self.ui._adc0OrLabel.setText(str(bool(random.randint(0,1))))
self.ui._adc1OrLabel.setText(str(bool(random.randint(0,1))))
self.ui._fft0OfLabel.setText(str(bool(random.randint(0,1))))
self.ui._fft1OfLabel.setText(str(bool(random.randint(0,1))))
self.ui._packetiserOfLabel.setText(str(bool(random.randint(0,1))))
self.ui._fifoOfLabel.setText(str(bool(random.randint(0,1))))
self.ui._ethTxOfLabel.setText(str(bool(random.randint(0,1))))
def runTimer(self):
self.timer = QtCore.QTimer()
self.timer.timeout.connect(self.updateIndicators)
self.timer.start(100)
