# 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)
conduit = 1
if argList.c:
conduit = int(argList.c[0])
isNeroCapable = fl.flIsNeroCapable(handle)
isCommCapable = fl.flIsCommCapable(handle, conduit)
fl.flSelectConduit(handle, conduit)
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)
#Test setting LD Bias to 0.150A (channels 26, 27)
curr = 0.150
code = curr/(4.096*1.1*((1/6.81)+(1/16500)))*4096
first_byte, second_byte = code2bytes(code)
spi_data = [first_byte, second_byte]
update_SPI(handle, [mem_map.getAddress('LCCa'),mem_map.getAddress('LCCb')], spi_data) ####
#Test reading LD Bias (channels 64 and 65)
rx_bias = read_SPI(handle, [100,101])
for r in rx_bias:
print "Bias bytes read: ", r
print (rx_bias[1]*256 + rx_bias[0])/4096 * (4.096*1.1*((1/6.81)+(1/16500)))
#Test writing/reading to LD Temp
#TODO Constants are estimated; may need to verify with vendor
R_known = 10000
def SPImain():
argList = getArgs()
handle = fl.FLHandle()
try:
fl.flInitialise(0)
vp = argList['fpga_vid_pid_did']
print("Attempting to open connection to FPGALink device {}...".format(vp))
try:
handle = fl.flOpen(vp)
except fl.FLException as ex:
ivp = argList['fpga_vid_pid']
print("Loading firmware into {}...".format(ivp))
fl.flLoadStandardFirmware(ivp, vp)
mem_map = mmap.Tester(ivp, vp)
# Long delay for renumeration
# TODO: fix this hack. The timeout value specified in flAwaitDevice() below doesn't seem to work
time.sleep(3)
print("Awaiting renumeration...")
if not fl.flAwaitDevice(vp, 10000):
raise fl.FLException("FPGALink device did not renumerate properly as {}".format(vp))
print("Attempting to open connection to FPGALink device {} again...".format(vp))
handle = fl.flOpen(vp)
# 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)
conduit = 1
isNeroCapable = fl.flIsNeroCapable(handle)
isCommCapable = fl.flIsCommCapable(handle, conduit)
fl.flSelectConduit(handle, conduit)
if argList['dataToWrite'] != None 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)
opt = Optimizer(handle, fpga)
#Test setting LD Bias to 0.150A (channels 26, 27)
#opt.setCurrent(0.150)
#this section of code looks like setLaserCurrent()
curr = 0.150
code = curr/(4.096*1.1*((1/6.81)+(1/16500)))*4096
first_byte, second_byte = opt.code2bytes(code)
spi_data = [first_byte, second_byte]
updateSPI(handle, [mem_map.getAddress('LCCa'), mem_map.getAddress('LCCb')], spi_data)
#Test reading LD Bias (channels 64 and 65)
rx_bias = readSPI(handle, [mem_map.getAddress('CC3a'), mem_map.getAddress('CC3b')])
for r in rx_bias:
print ("Bias bytes read: ", r)
print (rx_bias[1]*256 + rx_bias[0])/4096 * (4.096*1.1*((1/6.81)+(1/16500)))
#Test writing/reading to LD Temp
#TODO Constants are estimated; may need to verify with vendor
R_known = 10000
Vcc = 0.8
B = 3900
R_0 = 10000
T_0 = 25
#writing temp 35C
T = 35
V_set = Vcc/(((m.exp(B/T)*(R_0 * m.exp(-B/T_0)))/R_known)+1)
V_code = opt.voltage2code(V_set) #convert voltage to code
fb, sb = opt.code2byte(V_code) #convert code to bytes
updateSPI(handle, [mem_map.getAddress('LTSa'),mem_map.getAddress('LTSb')], [fb, sb])
#reading temp
bytes__meas = readSPI(handle, [mem_map.getAddress('LTMa'),mem_map.getAddress('LTMb')]) #read ADC value
code_meas = bytes_meas[1]*256 + bytes_meas[0] #convert bytes to double
V_meas = opt.code2voltage(code_meas) #convert ADC to voltage
R_t = R_known * (Vcc/V_meas - 1)
T = B/m.log(R_t/R_0 * m.exp(-B/T_0))
print ("Temp read: ", T)
#Test reading from RTD
A = 3.81e-3 #from datasheet
B = -6.02e-7 #from datasheet
R_t0 = 1000
T_bm = readSPI(handle, [mem_map.getAddress('TE1a'),mem_map.getAddress('TE1b')]) #temp code measured
T_cm = 256*T_bm[1] + T_bm[0] #convert bytes to double
T_meas = opt.code2voltage(T_cm) #convert ADC to voltage
R_T = R_known * (Vcc/T_meas - 1)
C = 1 -( R_T/R_t0)
T_R = (-A + (A**2-(4*B*C))**0.5) / (2*B)
print ("RTD temp: ", T_R)
def NODECTRLmain():
argList = getArgs()
handle = fl.FLHandle()
try:
fl.flInitialise(0)
vp = argList['fpga_vid_pid_did']
print("Attempting to open connection to FPGALink device {}...".format(vp))
try:
handle = fl.flOpen(vp)
except fl.FLException as ex:
handle = ids(vp, argList)
isNeroCapable, isCommCapable = conduitSelection(1)
jtagChain(isNeroCapable, argList, vp, handle)
configure(argList, isNeroCapable, handle, vp)
if argList['dataToWrite'] != None 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)
M = int(eval(argList['ppmOrder']))
print ("Setting PPM order to: ",M)
fpga.setPPM_M(M)
if argList['dataToWrite'] == None:
fpga.setTrackingMode(writechannel,trackingbyte,M)
delay = int(eval(argList['tx_delay']))
print ("Setting transmitter loopback delay to %i (0x%X)"%(delay,delay))
fpga.setTXdelay(delay)
if argList['dac_setting'] != None:
dacval = int(eval(argList['dac_setting']))
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_power'] != None:
obslength = float(argList['peak_power'])
print ("Measuring peak power...")
peakDAC = fpga.binSearchPeak(M,target=1.0/M,obslength=obslength)
print (" DAC = %i"%peakDAC)
if argList['ser'] != None:
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))
dataToWrite(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)
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(handle, int(argList.c[0]))
else:
isNeroCapable, isCommCapable = conduit_selection(handle)
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.debug:
DEBUG = True
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)