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FMC DEL 1ns 2cha
Commit 66eb9d1f authored by Jan Pospisil's avatar Jan Pospisil
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added fine delay control; added possibility to generate just set/reset pulse

parent 52532479
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Showing with 27 additions and 17 deletions
sw/FFPG_driver.py
View file @ 66eb9d1f
...@@ -19,7 +19,7 @@ class ConColors: ...@@ -19,7 +19,7 @@ class ConColors:
m = encoreio.Module.get_instance('fmc_fpg', 0) m = encoreio.Module.get_instance('fmc_fpg', 0)
WB_DEBUG = True WB_DEBUG = False
################################################################### ###################################################################
## WishBone access overlay ## WishBone access overlay
...@@ -92,6 +92,10 @@ def SpiWrite(register, data): ...@@ -92,6 +92,10 @@ def SpiWrite(register, data):
def Ad9512Init(): def Ad9512Init():
# power down unused output (OUT2) # power down unused output (OUT2)
SpiWrite(0x3f, 0x03) SpiWrite(0x3f, 0x03)
# fine delay
SpiWrite(0x34, 0x0) # use fine delay
delay = 2 # 0-31
SpiWrite(0x36, (delay&0x1f)<<1) # set fine delay
# select CLK1 input, power down CLK2 input # select CLK1 input, power down CLK2 input
SpiWrite(0x45, 0x05) SpiWrite(0x45, 0x05)
# output frequency 200 MHz (divide by 2) # output frequency 200 MHz (divide by 2)
...@@ -183,7 +187,8 @@ def ClearMemory(channel, memory): ...@@ -183,7 +187,8 @@ def ClearMemory(channel, memory):
# channel: 1, 2, 0 (for both) # channel: 1, 2, 0 (for both)
# pulse: 0, 1 # pulse: 0, 1
def ConfigurePulse(channel, start, stop, pulse): # which: 0 - both, 1 - set, 2 - reset
def ConfigurePulse(channel, start, stop, pulse, which = 0):
if channel == 1: if channel == 1:
address = 'ch1_' address = 'ch1_'
elif channel == 2: elif channel == 2:
...@@ -204,16 +209,18 @@ def ConfigurePulse(channel, start, stop, pulse): ...@@ -204,16 +209,18 @@ def ConfigurePulse(channel, start, stop, pulse):
pulse &= 1 pulse &= 1
position = start/32 if which < 2:
shift = start%32 position = start/32
WbSetBitsMulti(address+'set_mem', ((1<<shift),), ((pulse<<shift),), start=position, to=position+1) shift = start%32
WbSetBitsMulti(address+'set_mem', ((1<<shift),), ((pulse<<shift),), start=position, to=position+1)
position = stop/32 if which != 1:
shift = stop%32 position = stop/32
WbSetBitsMulti(address+'res_mem', ((1<<shift),), ((pulse<<shift),), start=position, to=position+1) shift = stop%32
WbSetBitsMulti(address+'res_mem', ((1<<shift),), ((pulse<<shift),), start=position, to=position+1)
def CreatePulse(channel, start, stop): def CreatePulse(channel, start, stop, which = 0):
ConfigurePulse(channel, start, stop, 1) ConfigurePulse(channel, start, stop, 1, which)
def DeletePulse(channel, start, stop): def DeletePulse(channel, start, stop):
ConfigurePulse(channel, start, stop, 0) ConfigurePulse(channel, start, stop, 0)
...@@ -253,7 +260,6 @@ def Control(): ...@@ -253,7 +260,6 @@ def Control():
## Test functions ## Test functions
################################################################### ###################################################################
def Init(): def Init():
WbWrite('control', 0) WbWrite('control', 0)
SpiInit() SpiInit()
...@@ -266,27 +272,31 @@ def Init(): ...@@ -266,27 +272,31 @@ def Init():
def TestPulse(channel = 1): def TestPulse(channel = 1):
# configure channel # configure channel
WbWrite('overflow', 17820) WbWrite('overflow', 17820)
WbWrite('trig_latency', 10) WbWrite('trig_latency', 8)
CreatePulse(channel, 5, 105) start = 5
length = 1
stop = start + length
CreatePulse(channel, start + 2*channel, stop + 2*channel)
# CreatePulse(channel, 2, 2, 1)
# CreatePulse(channel, 5, 10) # CreatePulse(channel, 5, 10)
# CreatePulse(channel, 25, 30) # CreatePulse(channel, 25, 30)
# CreatePulse(channel, 125, 130) # CreatePulse(channel, 125, 130)
WbWrite('ch'+str(channel)+'_delay_set', 100) WbWrite('ch'+str(channel)+'_delay_set', 1)
WbWrite('ch'+str(channel)+'_delay_res', 200) WbWrite('ch'+str(channel)+'_delay_res', 100)
# start channel # start channel
channel -= 1 channel -= 1
channel %= 2 channel %= 2
WbSetBits('control', 0x4<<channel, 0x4<<channel) # set output enable WbSetBits('control', 0x4<<channel, 0x4<<channel) # set output enable
channel *= 2 channel *= 2
WbSetBits('control', 0x30<<channel, 0x10<<channel) # set mode CONT. WbSetBits('control', 0x30<<channel, 0x10<<channel) # set mode CONT.
Init() Init()
Control() Control()
Status() Status()
TestPulse(1) TestPulse(1)
TestPulse(2) TestPulse(2)
Control() Control()
Status() Status()
\ No newline at end of file
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