def testSyndriverRams(self):
# syndriver switch row
pattern1 = [HICANN.SynapseSwitchRow() for ii in range(224)]
pattern2 = [HICANN.SynapseSwitchRow() for ii in range(224)]
d = [True] + [False] * 15
for i in range(0, 224):
pattern1[i][:] = d[-i % len(d):] + d[:-i % len(d)]
side = Coordinate.left
row = Coordinate.SynapseSwitchRowOnHICANN(Coordinate.Y(i), side)
HICANN.set_syndriver_switch_row(self.h, row, pattern1[i])
pattern2[i] = HICANN.get_syndriver_switch_row(self.h, row)
self.assertEqual(pattern1, pattern2)
def L1TransmissionTest(self, block):
#period between events used in testing below
period = 150
#set PLL frequency
#HICANN.set_PLL_frequency(self.h, 100)
#configure DNC mergers
mergers = HICANN.DNCMergerLine()
for i in range(8):
mer = Coordinate.DNCMergerOnHICANN(i)
mergers[mer].config = HICANN.Merger.RIGHT_ONLY
mergers[mer].slow = True
mergers[mer].loopback = False
HICANN.set_dnc_merger(self.h, mergers)
#configure merger tree, phase
tree = HICANN.MergerTree() #default settings are OK
phase = HICANN.phase_t(0)
HICANN.set_merger_tree(self.h, tree)
HICANN.set_phase(self.h, phase)
#configure background generator
bgarray = HICANN.BackgroundGeneratorArray()
for i in range(8):
bgarray[i].enable(True)
bgarray[i].random(False)
bgarray[i].seed(200)
bgarray[i].period(period)
bgarray[i].address(HICANN.L1Address(0))
HICANN.set_background_generator(self.h, bgarray)
#configure sending repeaters
rep = Coordinate.RepeaterBlockOnHICANN(Coordinate.X(0),
Coordinate.Y(1))
HICANN.set_repeater_block(self.h, rep, HICANN.RepeaterBlock())
sr = HICANN.HorizontalRepeater()
sr.setOutput(Coordinate.right)
for i in range(8):
HICANN.set_repeater(self.h,
Coordinate.HLineOnHICANN(6 + 8 * i).repeater(),
sr)
#configure crossbars and synapse switches
cb = HICANN.Crossbar()
ss = HICANN.SynapseSwitch()
row_cfg = HICANN.CrossbarRow()
syn_row_cfg = HICANN.SynapseSwitchRow()
for i in range(8):
if block.x().value() == 0 and block.y().value() == 2:
cb.set(Coordinate.VLineOnHICANN(28 - 4 * i),
Coordinate.HLineOnHICANN(6 + 8 * i), True)
row_cfg = cb.get_row(Coordinate.HLineOnHICANN(6 + 8 * i),
Coordinate.left)
HICANN.set_crossbar_switch_row(
self.h, Coordinate.HLineOnHICANN(6 + 8 * i),
Coordinate.left, row_cfg)
elif block.x().value() == 1 and block.y().value() == 2:
cb.set(Coordinate.VLineOnHICANN(227 + 4 * i),
Coordinate.HLineOnHICANN(6 + 8 * i), True)
row_cfg = cb.get_row(Coordinate.HLineOnHICANN(6 + 8 * i),
Coordinate.right)
HICANN.set_crossbar_switch_row(
self.h, Coordinate.HLineOnHICANN(6 + 8 * i),
Coordinate.right, row_cfg)
elif block.x().value() == 0 and block.y().value() == 0:
addr = Coordinate.SynapseSwitchRowOnHICANN(
Coordinate.Y(15 - 2 * i), Coordinate.left)
cb.set(Coordinate.VLineOnHICANN(28 - 4 * i),
Coordinate.HLineOnHICANN(6 + 8 * i), True)
ss.set(Coordinate.VLineOnHICANN(28 - 4 * i), addr.line(),
True) #connecting two parallel vertical lanes
ss.set(Coordinate.VLineOnHICANN(29 - 4 * i), addr.line(), True)
row_cfg = cb.get_row(Coordinate.HLineOnHICANN(6 + 8 * i),
Coordinate.left)
HICANN.set_crossbar_switch_row(
self.h, Coordinate.HLineOnHICANN(6 + 8 * i),
Coordinate.left, row_cfg)
syn_row_cfg = ss.get_row(addr)
HICANN.set_syndriver_switch_row(self.h, addr, syn_row_cfg)
elif block.x().value() == 1 and block.y().value() == 0:
addr = Coordinate.SynapseSwitchRowOnHICANN(
Coordinate.Y(15 - 2 * i), Coordinate.right)
cb.set(Coordinate.VLineOnHICANN(227 + 4 * i),
Coordinate.HLineOnHICANN(6 + 8 * i), True)
ss.set(Coordinate.VLineOnHICANN(227 + 4 * i), addr.line(),
True) #connecting two parallel vertical lanes
ss.set(Coordinate.VLineOnHICANN(226 + 4 * i), addr.line(),
True)
row_cfg = cb.get_row(Coordinate.HLineOnHICANN(6 + 8 * i),
Coordinate.right)
HICANN.set_crossbar_switch_row(
self.h, Coordinate.HLineOnHICANN(6 + 8 * i),
Coordinate.right, row_cfg)
syn_row_cfg = ss.get_row(addr)
HICANN.set_syndriver_switch_row(self.h, addr, syn_row_cfg)
elif block.x().value() == 1 and block.y().value() == 1:
cb.set(Coordinate.VLineOnHICANN(28 - 4 * i),
Coordinate.HLineOnHICANN(6 + 8 * i), True)
cb.set(Coordinate.VLineOnHICANN(28 - 4 * i),
Coordinate.HLineOnHICANN(7 + 8 * i), True)
row_cfg = cb.get_row(Coordinate.HLineOnHICANN(6 + 8 * i),
Coordinate.left)
HICANN.set_crossbar_switch_row(
self.h, Coordinate.HLineOnHICANN(6 + 8 * i),
Coordinate.left, row_cfg)
row_cfg = cb.get_row(Coordinate.HLineOnHICANN(7 + 8 * i),
Coordinate.left)
HICANN.set_crossbar_switch_row(
self.h, Coordinate.HLineOnHICANN(7 + 8 * i),
Coordinate.left, row_cfg)
#readout-routine
vr = HICANN.VerticalRepeater()
rb = HICANN.RepeaterBlock()
startrep = 0 #starting readout-repeater
registertype = HICANN.RepeaterBlock.EVEN #which readout-circuit is responsible
dir = Coordinate.top #transmit-direction
if block.x().value() == 0 and block.y().value() == 2:
startrep = 0
registertype = HICANN.RepeaterBlock.EVEN
dir = Coordinate.bottom
elif block.x().value() == 1 and block.y().value() == 2:
startrep = 227
registertype = HICANN.RepeaterBlock.EVEN
dir = Coordinate.bottom
elif block.x().value() == 0 and block.y().value() == 0:
startrep = 1
registertype = HICANN.RepeaterBlock.ODD
dir = Coordinate.top
elif block.x().value() == 1 and block.y().value() == 0:
startrep = 226
registertype = HICANN.RepeaterBlock.ODD
dir = Coordinate.top
success_counter = 0
# unfortunately center right readout routine is too different...
if not (block.x().value() == 1 and block.y().value() == 1):
for i in range(startrep, startrep + 32, 4):
#configure receiving repeater
vr.setInput(dir)
HICANN.set_repeater(self.h,
Coordinate.VLineOnHICANN(i).repeater(), vr)
HICANN.flush(self.h)
t.sleep(0.0005) #time for the dll to lock
#configure receiving repeater block
rb.start_tdi[registertype] = False #reset the full flag
HICANN.set_repeater_block(self.h, block, rb)
rb.start_tdi[
registertype] = True #start recording received data
HICANN.set_repeater_block(self.h, block, rb)
HICANN.flush(self.h)
t.sleep(0.001) #recording lasts for ca. 4 us - 1 ms
rb = HICANN.get_repeater_block(self.h, block)
test = rb.tdi_data[registertype]
for x in range(
2
): #see how many events come with correct delay (+/- 2)
if ((abs(abs(test[x + 1].time - test[x].time) - period)) <
3):
success_counter += 1
#~ print "From repeater " + str(i) + " received: "
#~ if rb.full_flag[registertype]:
#~ print "Full flag is set"
#~ else:
#~ print "Full flag is NOT set"
#~ print "Neuron number " + str(test[0].address) + " at time " + str(test[0].time)
#~ print "Neuron number " + str(test[1].address) + " at time " + str(test[1].time)
#~ print "Neuron number " + str(test[2].address) + " at time " + str(test[2].time) + "\n"
rb.start_tdi[
registertype] = False #reset the full flag TWO (!) times
HICANN.set_repeater_block(self.h, block, rb)
HICANN.set_repeater_block(self.h, block, rb)
#set repeater mode to IDLE to prevent conflicts
vr.setIdle()
HICANN.set_repeater(self.h,
Coordinate.VLineOnHICANN(i).repeater(), vr)
else:
hr = HICANN.HorizontalRepeater()
for i in range(7, 64, 8):
#configure receiving repeater
hr.setInput(Coordinate.right)
HICANN.set_repeater(self.h,
Coordinate.HLineOnHICANN(i).repeater(), hr)
HICANN.flush(self.h)
t.sleep(0.0005) #time for the dll to lock
#configure receiving repeater block
rb.start_tdi[
HICANN.RepeaterBlock.EVEN] = False #reset the full flag
HICANN.set_repeater_block(self.h, block, rb)
rb.start_tdi[HICANN.RepeaterBlock.
EVEN] = True #start recording received data
HICANN.set_repeater_block(self.h, block, rb)
HICANN.flush(self.h)
t.sleep(0.0001) #recording lasts for ca. 4 us - 1 ms
rb = HICANN.get_repeater_block(self.h, block)
test = rb.tdi_data[HICANN.RepeaterBlock.EVEN]
#~ print "From repeater " + str(i) + " received: "
#~ if rb.full_flag[registertype]:
#~ print "Full flag is set"
#~ else:
#~ print "Full flag is NOT set"
#~ print "Neuron number " + str(test[0].address) + " at time " + str(test[0].time)
#~ print "Neuron number " + str(test[1].address) + " at time " + str(test[1].time)
#~ print "Neuron number " + str(test[2].address) + " at time " + str(test[2].time) + "\n"
for x in range(
2): #see how many events come with correct delay
if ((abs(abs(test[x + 1].time - test[x].time) - period)) <
3):
success_counter += 1
rb.start_tdi[HICANN.RepeaterBlock.
EVEN] = False #reset the full flag TWO (!) times
HICANN.set_repeater_block(self.h, block, rb)
HICANN.set_repeater_block(self.h, block, rb)
#set repeater mode to IDLE to prevent conflicts
hr.setIdle()
HICANN.set_repeater(self.h,
Coordinate.HLineOnHICANN(i).repeater(), hr)
HICANN.flush(self.h)
return success_counter
def test_HICANNL1CenterRightRepeaterHWTest(self):
count = self.L1TransmissionTest(
Coordinate.RepeaterBlockOnHICANN(Coordinate.X(1), Coordinate.Y(1)))
self.assertGreater(
count,
3) #3 or more events with correct delay (out of 16) are enough
# Configure DNC mergers.:
for merger in iter_all(Coordinate.DNCMergerOnHICANN):
hicann.layer1[merger].slow = True # Needed for sending repeaters
# Configure sending repeater to forward spikes to the right
h_line = Coordinate.HLineOnHICANN(62)
sending_repeater = hicann.repeater[Coordinate.HRepeaterOnHICANN(h_line, Coordinate.left)]
sending_repeater.setOutput(Coordinate.right, True)
# Enable a crossbar switch to route the signal into the first vertical line
v_line_c = Coordinate.VLineOnHICANN(0)
hicann.crossbar_switches.set(v_line_c, h_line, True)
# Configure synapse switches and forward to synapse switch row 81
driver_line_c = Coordinate.SynapseSwitchRowOnHICANN(Coordinate.Y(81), Coordinate.left)
hicann.synapse_switches.set(v_line_c, driver_line_c.line(), True)
# Configure synapse driver
driver = hicann.synapses[Coordinate.SynapseDriverOnHICANN(driver_line_c)]
driver.set_l1() # Set to process spikes from L1
driver[Coordinate.top].set_gmax_div(Coordinate.left, 11) # Set 'base' weight
driver[Coordinate.top].set_gmax_div(Coordinate.right, 11)
driver[Coordinate.top].set_syn_in(Coordinate.left, 1) # Forward to left neuron input
driver[Coordinate.top].set_syn_in(Coordinate.right, 0) # … and do not to the right one!
driver[Coordinate.top].set_gmax(0) # Select floating gate value (4 different different strenghts available/analog values)
driver[Coordinate.bottom] = driver[Coordinate.top] # Copy settings from top row to bottom one