def closeComm(handle):
"""
Closes communication to FPGA board given a handle
Args:
handle: An opaque reference to an internal structure representing the connection.
"""
fl.flClose(handle)
def load_bitstream(self, bitstream_file):
n = 27
xsvf_file = os.path.splitext(bitstream_file)[0] + ".xsvf"
print("\nGenerating xsvf formatted bitstream")
print("=" * n)
if os.path.exists(xsvf_file):
os.unlink(xsvf_file)
_create_xsvf(bitstream_file, xsvf_file)
print("\n" + "=" * n + "\n")
print("Programming %s to device." % xsvf_file)
print("=" * n)
handle = self.open_device()
print("Programming device...")
fl.flProgram(handle, "J:" + self.pin_cfg, progFile=xsvf_file)
print("Programming successful!")
print("=" * n + "\n")
fl.flClose(handle)
def load_bitstream(self, bitstream_file):
n = 27
xsvf_file = os.path.splitext(bitstream_file)[0] + ".xsvf"
print("\nGenerating xsvf formatted bitstream")
print("=" * n)
if os.path.exists(xsvf_file):
os.unlink(xsvf_file)
_create_xsvf(bitstream_file, xsvf_file)
print("\n" + "=" * n + "\n")
print("Programming %s to device." % xsvf_file)
print("=" * n)
handle = self.open_device()
print("Programming device...")
fl.flProgram(handle, "J:" + self.pin_cfg, progFile=xsvf_file)
print("Programming successful!")
print("=" * n + "\n")
fl.flClose(handle)
def initComTest(self):
"""
Test intial connection capabilities to FPGA board over USB.
Returns:
results(list): list of strings representing reports of passed and failed tests.
"""
results = []
fl.flInitialise(self.debug_level) #initializes library
if fl.flIsDeviceAvailable(self.vid_pid_did): #checks if fpga is available
results.append('P','USB bus with: ', self.vid_pid_did,' was found.')
try:
handle = fl.flOpen(self.vid_pid_did) #opens connection to FPGA board
results.append('P','Successfully opened connection to FPGA board.')
if fl.flIsNeroCapable(handle): #checks if device is Nero capable
results.append('P', 'Device is Nero capable.')
else:
results.append('F', 'Device is not Nero capable.')
if fl.flIsCommCapable(handle, self.conduit): #checks if FPGA board is capable of communication
results.append('P','FPGA board supports functions: flIsFPGARunning(), flReadChannel(), flWriteChannel(), flSetAsyncWriteChunkSize(), flWriteChannelAsync(), flFlushAsyncWrites(), \c flAwaitAsyncWrites(), \c flReadChannelAsyncSubmit(),flReadChannelAsyncAwait().')
try:
fl.flSelectConduit(handle, self.conduit) #selects given conduit
results.append('P','Selected conduit ', self.conduit)
if fl.flIsFPGARunning(handle): #checks if board is ready to acccept commands
results.append('P','FPGA board is ready to accept commands.')
except:
results.append('F','Conduit was out of range or device did not respond.')
else:
results.append('F','FPGA board cannot communicate.')
fl.flClose(handle) #closes connection to FPGA board to avoid errors
results.append('P','Connection to the FPGA board was closed.')
except:
results.append('F','Connection to FPGA board failed.')
else:
results.append('F','The VID:PID:DID ', self.vid_pid_did,' is invalid or no USB buses were found.')
return results
print("Initializing FPGALink library...")
fl.flInitialise(3)
print("Attempting to open connection to FPGALink device {}...".format(vp))
try:
handle = fl.flOpen(vp)
except fl.FLException as ex:
print(ex)
print("Loading standard firmware into RAM {}...".format(ivp))
fl.flLoadStandardFirmware(ivp, vp)
time.sleep(3)
fl.flAwaitDevice(vp, 10000)
print("Attempting to open connection to FPGALink device {} again...".format(vp))
handle = fl.flOpen(vp)
conduit = 1
isNeroCapable = fl.flIsNeroCapable(handle)
isCommCapable = fl.flIsCommCapable(handle, conduit)
fl.flSelectConduit(handle, conduit)
if ( isNeroCapable ):
print("Programming FPGA with {}...".format(progConfig))
fl.flProgram(handle, progConfig)
print("Programming successful")
else:
raise fl.FLException("Device does not support NeroProg")
except fl.FLException as ex:
print(ex)
finally:
fl.flClose(handle)
PROG_CONFIG = "B3B2B0B1"
handle = fl.FLHandle()
try:
fl.flInitialise(0)
# Connect, reset the board, open SPI interface & get SS port:
handle = fl.flOpen(VID_PID)
fl.flMultiBitPortAccess(handle, "B6-,C2-") # RESET low & cut the power
fl.flSleep(10)
fl.flSingleBitPortAccess(handle, 2, 2, fl.PIN_HIGH) # power on in RESET
fl.progOpen(handle, PROG_CONFIG)
(port, bit) = fl.progGetPort(handle, fl.LP_SS)
fl.flSingleBitPortAccess(handle, port, bit, fl.PIN_HIGH)
# Send JEDEC device-id command, retrieve three bytes back
fl.flSingleBitPortAccess(handle, port, bit, fl.PIN_LOW)
fl.spiSend(handle, b"\x9F", fl.SPI_MSBFIRST)
bs = fl.spiRecv(handle, 3, fl.SPI_MSBFIRST)
print("JEDEC ID: {}".format(
" ".join(["{:02X}".format(b) for b in bs])))
fl.flSingleBitPortAccess(handle, port, bit, fl.PIN_HIGH)
# Close SPI interface, release reset and close connection
fl.progClose(handle)
fl.flMultiBitPortAccess(handle, "B6?") # release RESET
except fl.FLException as ex:
print(ex)
finally:
fl.flClose(handle)
def main():
argList = get_args()
print(argList)
handle = fl.FLHandle()
try:
fl.flInitialise(0)
vp = argList.v[0]
print("Attempting to open connection to FPGALink device {}...".format(
vp))
try:
handle = fl.flOpen(vp)
except fl.FLException as ex:
handle = ids(vp, argList)
if argList.c:
isNeroCapable, isCommCapable = conduit_selection(int(argList.c[0]))
else:
isNeroCapable, isCommCapable = conduit_selection()
jtag_chain(isNeroCapable, argList, vp, handle)
configure(argList, isNeroCapable, handle, vp)
if argList.f and not isCommCapable:
raise fl.FLException(
"Data file load requested but device at {} does not support CommFPGA"
.format(vp))
if isCommCapable and fl.flIsFPGARunning(handle):
fpga = NodeFPGA(handle)
if argList.ppm:
M = int(eval(argList.ppm[0]))
print("Setting PPM order to: ", M)
fpga.setPPM_M(M)
if argList.txdel:
delay = int(eval(argList.txdel[0]))
print("Setting transmitter loopback delay to %i (0x%X)" %
(delay, delay))
fpga.setTXdelay(delay)
if argList.dac:
dacval = int(eval(argList.dac[0]))
print("Setting DAC value to %i (0x%X)" % (dacval, dacval))
fpga.writeDAC(dacval)
if argList.prbs:
print("Enabling PRBS")
fpga.usePRBS()
else:
print("Disabling PRBS")
fpga.usePRBS(False)
if argList.peak:
obslength = float(argList.peak)
print("Measuring peak power...")
peakDAC = fpga.binSearchPeak(M,
target=1.0 / M,
obslength=obslength)
print(" DAC = %i" % peakDAC)
#alg testing goes here, but alg is not up to date!!
opt_alg(argList, fpga)
except fl.FLException as ex:
print(ex)
finally:
fl.flClose(handle)
def main():
argList = get_args()
print (argList)
handle = fl.FLHandle()
try:
fl.flInitialise(0)
vp = argList.v[0]
print("Attempting to open connection to FPGALink device {}...".format(vp))
try:
handle = fl.flOpen(vp)
except fl.FLException as ex:
handle = ids(vp, argList)
# if ( argList.d ):
# print("Configuring ports...")
# rb = "{:0{}b}".format(fl.flMultiBitPortAccess(handle, argList.d[0]), 32)
# print("Readback: 28 24 20 16 12 8 4 0\n {} {} {} {} {} {} {} {}".format(
# rb[0:4], rb[4:8], rb[8:12], rb[12:16], rb[16:20], rb[20:24], rb[24:28], rb[28:32]))
# fl.flSleep(100)
if argList.c:
isNeroCapable, isCommCapable = conduit_selection(int(argList.c[0]))
else:
isNeroCapable, isCommCapable = conduit_selection()
jtag_chain(isNeroCapable, argList, vp, handle)
configure(argList, isNeroCapable, handle, vp)
if argList.f and not isCommCapable:
raise fl.FLException("Data file load requested but device at {} does not support CommFPGA".format(vp))
if isCommCapable and fl.flIsFPGARunning(handle):
fpga = NodeFPGA(handle)
# define channels
writechannel = 0x02
statuschannel = 0x05
resetchannel = 0x08
if argList.ppm:
M = int(eval(argList.ppm[0]))
print ("Setting PPM order to",M)
fpga.setPPM_M(M)
writedelay,num_bytes,trackingbyte = fpga.setModulatorParams(M)
if not argList.f:
fpga.setTrackingMode(writechannel,trackingbyte,M)
if argList.txdel:
delay = int(eval(argList.txdel[0]))
print ("Setting transmitter loopback delay to %i (0x%X)"%(delay,delay))
fpga.setTXdelay(delay)
if argList.dac:
dacval = int(eval(argList.dac[0]))
print ("Setting DAC value to %i (0x%X)"%(dacval,dacval))
fpga.writeDAC(dacval)
if argList.prbs:
# dacval = int(eval(argList.dac[0]))
# print ("Setting DAC value to %i (0x%X)"%(dacval,dacval))
print ("Enabling PRBS")
fpga.usePRBS()
else:
print ("Disabling PRBS")
fpga.usePRBS(False)
if argList.peak:
obslength = float(argList.peak)
print ("Measuring peak power...")
peakDAC = fpga.binSearchPeak(M,target=1.0/M,obslength=obslength)
print (" DAC = %i"%peakDAC)
if argList.ser:
obslength = float(argList.ser)
print ("Measuring slot error rate...")
cycles,errors,ones,ser = fpga.measureSER(obslength=obslength)
print (" cycles = 0x%-12X"%(cycles))
print (" errors = 0x%-12X"%(errors))
print (" ones = 0x%-12X target=0x%-12X"%(ones,cycles/M))
print (" SlotER = %e"%(ser))
data_to_write(argList, fpga, writechannel, resetchannel, statuschannel, writedelay, vp, M, num_bytes)
except fl.FLException as ex:
print(ex)
finally:
fl.flClose(handle)
def NODECTRLmain():
argList = get_args()
handle = fl.FLHandle()
try:
fl.flInitialise(0)
vp = argList.v[0]
print("Attempting to open connection to FPGALink device {}...".format(vp))
try:
handle = fl.flOpen(vp)
except fl.FLException as ex:
handle = ids(vp, argList)
if argList.c:
isNeroCapable, isCommCapable = conduit_selection(int(argList.c[0]))
else:
isNeroCapable, isCommCapable = conduit_selection()
jtag_chain(isNeroCapable, argList, vp, handle)
configure(argList, isNeroCapable, handle, vp)
if argList.f and not isCommCapable:
raise fl.FLException("Data file load requested but device at {} does not support CommFPGA".format(vp))
if isCommCapable and fl.flIsFPGARunning(handle):
fpga = NodeFPGA(handle)
# define channels
##must update these channels
writechannel = 0x02
statuschannel = 0x05
resetchannel = 0x08
writedelay,num_bytes,trackingbyte = fpga.setModulatorParams(M)
if argList.ppm:
M = int(eval(argList.ppm[0]))
print ("Setting PPM order to: ",M)
fpga.setPPM_M(M)
if not argList.f:
fpga.setTrackingMode(writechannel,trackingbyte,M)
if argList.txdel:
delay = int(eval(argList.txdel[0]))
print ("Setting transmitter loopback delay to %i (0x%X)"%(delay,delay))
fpga.setTXdelay(delay)
if argList.dac:
dacval = int(eval(argList.dac[0]))
print ("Setting DAC value to %i (0x%X)"%(dacval,dacval))
fpga.writeDAC(dacval)
if argList.prbs:
print ("Enabling PRBS")
fpga.usePRBS()
else:
print ("Disabling PRBS")
fpga.usePRBS(False)
if argList.peak:
obslength = float(argList.peak)
print ("Measuring peak power...")
peakDAC = fpga.binSearchPeak(M,target=1.0/M,obslength=obslength)
print (" DAC = %i"%peakDAC)
if argList.ser:
obslength = float(argList.ser)
print ("Measuring slot error rate...")
cycles,errors,ones,ser = fpga.measureSER(obslength=obslength)
print (" cycles = 0x%-12X"%(cycles))
print (" errors = 0x%-12X"%(errors))
print (" ones = 0x%-12X target=0x%-12X"%(ones,cycles/M))
print (" SlotER = %e"%(ser))
data_to_write(argList, fpga, writechannel, resetchannel, statuschannel, writedelay, vp, M, num_bytes)
#alg testing goes here, but alg is not up to date!!
#opt_alg(argList, fpga)
except fl.FLException as ex:
print(ex)
finally:
fl.flClose(handle)
print("flProgram()...")
fl.flProgram(conn, "J:{}:../../../../hdlmake/apps/makestuff/swled/cksum/vhdl/fpga.xsvf".format(PROG_CONFIG))
print("...done.")
fl.flSelectConduit(conn, CONDUIT)
print("flIsFPGARunning(): {}".format(fl.flIsFPGARunning(conn)))
fl.flWriteChannel(conn, 0, BYTE_ARRAY)
bs = fl.flReadChannel(conn, 1, 16)
print("flReadChannel(1, 16) got {} bytes: {{\n {}\n}}".format(
len(bs),
" ".join(["{:02X}".format(b) for b in bs])))
print("flReadChannel(2) got {:02X}".format(fl.flReadChannel(conn, 2)))
fl.flReadChannelAsyncSubmit(conn, 0, 4)
fl.flReadChannelAsyncSubmit(conn, 1, 8)
fl.flReadChannelAsyncSubmit(conn, 2, 16)
for i in range(3):
bs = fl.flReadChannelAsyncAwait(conn)
print("flReadChannelAsyncAwait() got {} bytes: {{\n {}\n}}".format(
len(bs),
" ".join(["{:02X}".format(b) for b in bytearray(bs)])))
except fl.FLException as ex:
print(ex)
finally:
fl.flClose(conn)