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shuttler: port to NAC3

This commit is contained in:
Sebastien Bourdeauducq 2023-10-06 14:40:53 +08:00
parent fc082b62de
commit 24c3a2fd0a
4 changed files with 191 additions and 150 deletions

View File

@ -1,20 +1,21 @@
import numpy
from numpy import int32, int64
from artiq.language.core import *
from artiq.language.types import *
from artiq.language.core import nac3, Kernel, KernelInvariant, kernel, portable, Option, none
from artiq.coredevice.rtio import rtio_output, rtio_input_data
from artiq.coredevice import spi2 as spi
from artiq.coredevice.core import Core
from artiq.coredevice.spi2 import *
from artiq.language.units import us
@portable
def shuttler_volt_to_mu(volt):
def shuttler_volt_to_mu(volt: float) -> int32:
"""Return the equivalent DAC code. Valid input range is from -10 to
10 - LSB.
"""
return round((1 << 16) * (volt / 20.0)) & 0xffff
return round(float(1 << 16) * (volt / 20.0)) & 0xffff
@nac3
class Config:
"""Shuttler configuration registers interface.
@ -30,10 +31,13 @@ class Config:
:param channel: RTIO channel number of this interface.
:param core_device: Core device name.
"""
kernel_invariants = {
"core", "channel", "target_base", "target_read",
"target_gain", "target_offset", "target_clr"
}
core: KernelInvariant[Core]
channel: KernelInvariant[int32]
target_base: KernelInvariant[int32]
target_read: KernelInvariant[int32]
target_gain: KernelInvariant[int32]
target_offset: KernelInvariant[int32]
target_clr: KernelInvariant[int32]
def __init__(self, dmgr, channel, core_device="core"):
self.core = dmgr.get(core_device)
@ -45,7 +49,7 @@ class Config:
self.target_clr = 1 * (1 << 5)
@kernel
def set_clr(self, clr):
def set_clr(self, clr: int32):
"""Set/Unset waveform phase clear bits.
Each bit corresponds to a Shuttler waveform generator core. Setting a
@ -59,7 +63,7 @@ class Config:
rtio_output(self.target_base | self.target_clr, clr)
@kernel
def set_gain(self, channel, gain):
def set_gain(self, channel: int32, gain: int32):
"""Set the 16-bits pre-DAC gain register of a Shuttler Core channel.
The `gain` parameter represents the decimal portion of the gain
@ -72,7 +76,7 @@ class Config:
rtio_output(self.target_base | self.target_gain | channel, gain)
@kernel
def get_gain(self, channel):
def get_gain(self, channel: int32) -> int32:
"""Return the pre-DAC gain value of a Shuttler Core channel.
:param channel: The Shuttler Core channel.
@ -83,7 +87,7 @@ class Config:
return rtio_input_data(self.channel)
@kernel
def set_offset(self, channel, offset):
def set_offset(self, channel: int32, offset: int32):
"""Set the 16-bits pre-DAC offset register of a Shuttler Core channel.
.. seealso::
@ -95,7 +99,7 @@ class Config:
rtio_output(self.target_base | self.target_offset | channel, offset)
@kernel
def get_offset(self, channel):
def get_offset(self, channel: int32) -> int32:
"""Return the pre-DAC offset value of a Shuttler Core channel.
:param channel: The Shuttler Core channel.
@ -106,6 +110,7 @@ class Config:
return rtio_input_data(self.channel)
@nac3
class Volt:
"""Shuttler Core cubic DC-bias spline.
@ -127,7 +132,9 @@ class Volt:
:param channel: RTIO channel number of this DC-bias spline interface.
:param core_device: Core device name.
"""
kernel_invariants = {"core", "channel", "target_o"}
core: KernelInvariant[Core]
channel: KernelInvariant[int32]
target_o: KernelInvariant[int32]
def __init__(self, dmgr, channel, core_device="core"):
self.core = dmgr.get(core_device)
@ -135,7 +142,7 @@ class Volt:
self.target_o = channel << 8
@kernel
def set_waveform(self, a0: TInt32, a1: TInt32, a2: TInt64, a3: TInt64):
def set_waveform(self, a0: int32, a1: int32, a2: int64, a3: int64):
"""Set the DC-bias spline waveform.
Given `a(t)` as defined in :class:`Volt`, the coefficients should be
@ -168,12 +175,12 @@ class Volt:
a0,
a1,
a1 >> 16,
a2 & 0xFFFF,
(a2 >> 16) & 0xFFFF,
(a2 >> 32) & 0xFFFF,
a3 & 0xFFFF,
(a3 >> 16) & 0xFFFF,
(a3 >> 32) & 0xFFFF,
int32(a2 & int64(0xFFFF)),
int32((a2 >> int64(16)) & int64(0xFFFF)),
int32((a2 >> int64(32)) & int64(0xFFFF)),
int32(a3 & int64(0xFFFF)),
int32((a3 >> int64(16)) & int64(0xFFFF)),
int32((a3 >> int64(32)) & int64(0xFFFF)),
]
for i in range(len(coef_words)):
@ -181,6 +188,7 @@ class Volt:
delay_mu(int64(self.core.ref_multiplier))
@nac3
class Dds:
"""Shuttler Core DDS spline.
@ -206,7 +214,9 @@ class Dds:
:param channel: RTIO channel number of this DC-bias spline interface.
:param core_device: Core device name.
"""
kernel_invariants = {"core", "channel", "target_o"}
core: KernelInvariant[Core]
channel: KernelInvariant[int32]
target_o: KernelInvariant[int32]
def __init__(self, dmgr, channel, core_device="core"):
self.core = dmgr.get(core_device)
@ -214,8 +224,8 @@ class Dds:
self.target_o = channel << 8
@kernel
def set_waveform(self, b0: TInt32, b1: TInt32, b2: TInt64, b3: TInt64,
c0: TInt32, c1: TInt32, c2: TInt32):
def set_waveform(self, b0: int32, b1: int32, b2: int64, b3: int64,
c0: int32, c1: int32, c2: int32):
"""Set the DDS spline waveform.
Given `b(t)` and `c(t)` as defined in :class:`Dds`, the coefficients
@ -258,12 +268,12 @@ class Dds:
b0,
b1,
b1 >> 16,
b2 & 0xFFFF,
(b2 >> 16) & 0xFFFF,
(b2 >> 32) & 0xFFFF,
b3 & 0xFFFF,
(b3 >> 16) & 0xFFFF,
(b3 >> 32) & 0xFFFF,
int32(b2 & int64(0xFFFF)),
int32((b2 >> int64(16)) & int64(0xFFFF)),
int32((b2 >> int64(32)) & int64(0xFFFF)),
int32(b3 & int64(0xFFFF)),
int32((b3 >> int64(16)) & int64(0xFFFF)),
int32((b3 >> int64(32)) & int64(0xFFFF)),
c0,
c1,
c1 >> 16,
@ -276,13 +286,16 @@ class Dds:
delay_mu(int64(self.core.ref_multiplier))
@nac3
class Trigger:
"""Shuttler Core spline coefficients update trigger.
:param channel: RTIO channel number of the trigger interface.
:param core_device: Core device name.
"""
kernel_invariants = {"core", "channel", "target_o"}
core: KernelInvariant[Core]
channel: KernelInvariant[int32]
target_o: KernelInvariant[int32]
def __init__(self, dmgr, channel, core_device="core"):
self.core = dmgr.get(core_device)
@ -290,7 +303,7 @@ class Trigger:
self.target_o = channel << 8
@kernel
def trigger(self, trig_out):
def trigger(self, trig_out: int32):
"""Triggers coefficient update of (a) Shuttler Core channel(s).
Each bit corresponds to a Shuttler waveform generator core. Setting
@ -304,15 +317,15 @@ class Trigger:
rtio_output(self.target_o, trig_out)
RELAY_SPI_CONFIG = (0*spi.SPI_OFFLINE | 1*spi.SPI_END |
0*spi.SPI_INPUT | 0*spi.SPI_CS_POLARITY |
0*spi.SPI_CLK_POLARITY | 0*spi.SPI_CLK_PHASE |
0*spi.SPI_LSB_FIRST | 0*spi.SPI_HALF_DUPLEX)
RELAY_SPI_CONFIG = (0*SPI_OFFLINE | 1*SPI_END |
0*SPI_INPUT | 0*SPI_CS_POLARITY |
0*SPI_CLK_POLARITY | 0*SPI_CLK_PHASE |
0*SPI_LSB_FIRST | 0*SPI_HALF_DUPLEX)
ADC_SPI_CONFIG = (0*spi.SPI_OFFLINE | 0*spi.SPI_END |
0*spi.SPI_INPUT | 0*spi.SPI_CS_POLARITY |
1*spi.SPI_CLK_POLARITY | 1*spi.SPI_CLK_PHASE |
0*spi.SPI_LSB_FIRST | 0*spi.SPI_HALF_DUPLEX)
ADC_SPI_CONFIG = (0*SPI_OFFLINE | 0*SPI_END |
0*SPI_INPUT | 0*SPI_CS_POLARITY |
1*SPI_CLK_POLARITY | 1*SPI_CLK_PHASE |
0*SPI_LSB_FIRST | 0*SPI_HALF_DUPLEX)
# SPI clock write and read dividers
# CS should assert at least 9.5 ns after clk pulse
@ -335,6 +348,7 @@ _AD4115_REG_CH0 = 0x10
_AD4115_REG_SETUPCON0 = 0x20
@nac3
class Relay:
"""Shuttler AFE relay switches.
@ -349,7 +363,8 @@ class Relay:
:param spi_device: SPI bus device name.
:param core_device: Core device name.
"""
kernel_invariant = {"core", "bus"}
core: KernelInvariant[Core]
bus: KernelInvariant[SPIMaster]
def __init__(self, dmgr, spi_device, core_device="core"):
self.core = dmgr.get(core_device)
@ -366,7 +381,7 @@ class Relay:
RELAY_SPI_CONFIG, 16, SPIT_RELAY_WR, CS_RELAY | CS_LED)
@kernel
def enable(self, en: TInt32):
def enable(self, en: int32):
"""Enable/Disable relay switches of corresponding channels.
Each bit corresponds to the relay switch of a channel. Asserting a bit
@ -379,20 +394,22 @@ class Relay:
self.bus.write(en << 16)
@nac3
class ADC:
"""Shuttler AFE ADC (AD4115) driver.
:param spi_device: SPI bus device name.
:param core_device: Core device name.
"""
kernel_invariant = {"core", "bus"}
core: KernelInvariant[Core]
bus: KernelInvariant[SPIMaster]
def __init__(self, dmgr, spi_device, core_device="core"):
self.core = dmgr.get(core_device)
self.bus = dmgr.get(spi_device)
@kernel
def read_id(self) -> TInt32:
def read_id(self) -> int32:
"""Read the product ID of the ADC.
The expected return value is 0x38DX, the 4 LSbs are don't cares.
@ -414,86 +431,86 @@ class ADC:
after the transfer appears to interrupt the start-up sequence.
"""
self.bus.set_config_mu(ADC_SPI_CONFIG, 32, SPIT_ADC_WR, CS_ADC)
self.bus.write(0xffffffff)
self.bus.write(0xffffffff)
self.bus.write(-1)
self.bus.write(-1)
self.bus.set_config_mu(
ADC_SPI_CONFIG | spi.SPI_END, 32, SPIT_ADC_WR, CS_ADC)
self.bus.write(0xffffffff)
ADC_SPI_CONFIG | SPI_END, 32, SPIT_ADC_WR, CS_ADC)
self.bus.write(-1)
@kernel
def read8(self, addr: TInt32) -> TInt32:
def read8(self, addr: int32) -> int32:
"""Read from 8 bit register.
:param addr: Register address.
:return: Read-back register content.
"""
self.bus.set_config_mu(
ADC_SPI_CONFIG | spi.SPI_END | spi.SPI_INPUT,
ADC_SPI_CONFIG | SPI_END | SPI_INPUT,
16, SPIT_ADC_RD, CS_ADC)
self.bus.write((addr | 0x40) << 24)
return self.bus.read() & 0xff
@kernel
def read16(self, addr: TInt32) -> TInt32:
def read16(self, addr: int32) -> int32:
"""Read from 16 bit register.
:param addr: Register address.
:return: Read-back register content.
"""
self.bus.set_config_mu(
ADC_SPI_CONFIG | spi.SPI_END | spi.SPI_INPUT,
ADC_SPI_CONFIG | SPI_END | SPI_INPUT,
24, SPIT_ADC_RD, CS_ADC)
self.bus.write((addr | 0x40) << 24)
return self.bus.read() & 0xffff
@kernel
def read24(self, addr: TInt32) -> TInt32:
def read24(self, addr: int32) -> int32:
"""Read from 24 bit register.
:param addr: Register address.
:return: Read-back register content.
"""
self.bus.set_config_mu(
ADC_SPI_CONFIG | spi.SPI_END | spi.SPI_INPUT,
ADC_SPI_CONFIG | SPI_END | SPI_INPUT,
32, SPIT_ADC_RD, CS_ADC)
self.bus.write((addr | 0x40) << 24)
return self.bus.read() & 0xffffff
@kernel
def write8(self, addr: TInt32, data: TInt32):
def write8(self, addr: int32, data: int32):
"""Write to 8 bit register.
:param addr: Register address.
:param data: Data to be written.
"""
self.bus.set_config_mu(
ADC_SPI_CONFIG | spi.SPI_END, 16, SPIT_ADC_WR, CS_ADC)
ADC_SPI_CONFIG | SPI_END, 16, SPIT_ADC_WR, CS_ADC)
self.bus.write(addr << 24 | (data & 0xff) << 16)
@kernel
def write16(self, addr: TInt32, data: TInt32):
def write16(self, addr: int32, data: int32):
"""Write to 16 bit register.
:param addr: Register address.
:param data: Data to be written.
"""
self.bus.set_config_mu(
ADC_SPI_CONFIG | spi.SPI_END, 24, SPIT_ADC_WR, CS_ADC)
ADC_SPI_CONFIG | SPI_END, 24, SPIT_ADC_WR, CS_ADC)
self.bus.write(addr << 24 | (data & 0xffff) << 8)
@kernel
def write24(self, addr: TInt32, data: TInt32):
def write24(self, addr: int32, data: int32):
"""Write to 24 bit register.
:param addr: Register address.
:param data: Data to be written.
"""
self.bus.set_config_mu(
ADC_SPI_CONFIG | spi.SPI_END, 32, SPIT_ADC_WR, CS_ADC)
ADC_SPI_CONFIG | SPI_END, 32, SPIT_ADC_WR, CS_ADC)
self.bus.write(addr << 24 | (data & 0xffffff))
@kernel
def read_ch(self, channel: TInt32) -> TFloat:
def read_ch(self, channel: int32) -> float:
"""Sample a Shuttler channel on the AFE.
It performs a single conversion using profile 0 and setup 0, on the
@ -507,9 +524,9 @@ class ADC:
self.write16(_AD4115_REG_SETUPCON0, 0x1300)
self.single_conversion()
delay(100*us)
self.core.delay(100.*us)
adc_code = self.read24(_AD4115_REG_DATA)
return ((adc_code / (1 << 23)) - 1) * 2.5 / 0.1
return ((float(adc_code) / float(1 << 23)) - 1.) * 2.5 / 0.1
@kernel
def single_conversion(self):
@ -560,10 +577,10 @@ class ADC:
self.reset()
# Although the datasheet claims 500 us reset wait time, only waiting
# for ~500 us can result in DOUT pin stuck in high
delay(2500*us)
self.core.delay(2500.*us)
@kernel
def calibrate(self, volts, trigger, config, samples=[-5.0, 0.0, 5.0]):
def calibrate(self, volts: list[Volt], trigger: Trigger, config: Config, samples: Option[list[float]] = none):
"""Calibrate the Shuttler waveform generator using the ADC on the AFE.
It finds the average slope rate and average offset by samples, and
@ -588,33 +605,35 @@ class ADC:
:param samples: A list of sample voltages for calibration. There must
be at least 2 samples to perform slope rate calculation.
"""
assert len(volts) == 16
assert len(samples) > 1
samples_l = samples.unwrap() if samples.is_some() else [-5.0, 0.0, 5.0]
measurements = [0.0] * len(samples)
assert len(volts) == 16
assert len(samples_l) > 1
measurements = [0.0 for _ in range(len(samples_l))]
for ch in range(16):
# Find the average slope rate and offset
for i in range(len(samples)):
for i in range(len(samples_l)):
self.core.break_realtime()
volts[ch].set_waveform(
shuttler_volt_to_mu(samples[i]), 0, 0, 0)
shuttler_volt_to_mu(samples_l[i]), 0, int64(0), int64(0))
trigger.trigger(1 << ch)
measurements[i] = self.read_ch(ch)
# Find the average output slope
slope_sum = 0.0
for i in range(len(samples) - 1):
slope_sum += (measurements[i+1] - measurements[i])/(samples[i+1] - samples[i])
slope_avg = slope_sum / (len(samples) - 1)
for i in range(len(samples_l) - 1):
slope_sum += (measurements[i+1] - measurements[i])/(samples_l[i+1] - samples_l[i])
slope_avg = slope_sum / float(len(samples_l) - 1)
gain_code = int32(1 / slope_avg * (2 ** 16)) & 0xffff
gain_code = int32(1. / slope_avg * float(2 ** 16)) & 0xffff
# Scale the measurements by 1/slope, find average offset
offset_sum = 0.0
for i in range(len(samples)):
offset_sum += (measurements[i] / slope_avg) - samples[i]
offset_avg = offset_sum / len(samples)
for i in range(len(samples_l)):
offset_sum += (measurements[i] / slope_avg) - samples_l[i]
offset_avg = offset_sum / float(len(samples_l))
offset_code = shuttler_volt_to_mu(-offset_avg)

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@ -1,61 +1,82 @@
from artiq.experiment import *
from artiq.coredevice.shuttler import shuttler_volt_to_mu
from numpy import int32, int64
DAC_Fs_MHZ = 125
from artiq.experiment import *
from artiq.coredevice.core import Core
from artiq.coredevice.ttl import TTLOut
from artiq.coredevice.shuttler import (
shuttler_volt_to_mu,
Config as ShuttlerConfig,
Trigger as ShuttlerTrigger,
Volt as ShuttlerDCBias,
Dds as ShuttlerDDS,
Relay as ShuttlerRelay,
ADC as ShuttlerADC)
DAC_Fs_MHZ = 125.
CORDIC_GAIN = 1.64676
@portable
def shuttler_phase_offset(offset_degree):
return round(offset_degree / 360 * (2 ** 16))
def shuttler_phase_offset(offset_degree: float) -> int32:
return round(offset_degree / 360. * float(2 ** 16))
@portable
def shuttler_freq_mu(freq_mhz):
def shuttler_freq_mu(freq_mhz: float) -> int32:
return round(float(2) ** 32 / DAC_Fs_MHZ * freq_mhz)
@portable
def shuttler_chirp_rate_mu(freq_mhz_per_us):
def shuttler_chirp_rate_mu(freq_mhz_per_us: float) -> int32:
return round(float(2) ** 32 * freq_mhz_per_us / (DAC_Fs_MHZ ** 2))
@portable
def shuttler_freq_sweep(start_f_MHz, end_f_MHz, time_us):
return shuttler_chirp_rate_mu((end_f_MHz - start_f_MHz)/(time_us))
def shuttler_freq_sweep(start_f_MHz: float, end_f_MHz: float, time_us: float) -> int32:
return shuttler_chirp_rate_mu((end_f_MHz - start_f_MHz)/time_us)
@portable
def shuttler_volt_amp_mu(volt):
def shuttler_volt_amp_mu(volt: float) -> int32:
return shuttler_volt_to_mu(volt)
@portable
def shuttler_volt_damp_mu(volt_per_us):
return round(float(2) ** 32 * (volt_per_us / 20) / DAC_Fs_MHZ)
def shuttler_volt_damp_mu(volt_per_us: float) -> int32:
return round(float(2) ** 32 * (volt_per_us / 20.) / DAC_Fs_MHZ)
@portable
def shuttler_volt_ddamp_mu(volt_per_us_square):
return round(float(2) ** 48 * (volt_per_us_square / 20) * 2 / (DAC_Fs_MHZ ** 2))
def shuttler_volt_ddamp_mu(volt_per_us_square: float) -> int64:
return round64(float(2) ** 48 * (volt_per_us_square / 20.) * 2. / (DAC_Fs_MHZ ** 2))
@portable
def shuttler_volt_dddamp_mu(volt_per_us_cube):
return round(float(2) ** 48 * (volt_per_us_cube / 20) * 6 / (DAC_Fs_MHZ ** 3))
def shuttler_volt_dddamp_mu(volt_per_us_cube: float) -> int64:
return round64(float(2) ** 48 * (volt_per_us_cube / 20.) * 6. / (DAC_Fs_MHZ ** 3))
@portable
def shuttler_dds_amp_mu(volt):
def shuttler_dds_amp_mu(volt: float) -> int32:
return shuttler_volt_amp_mu(volt / CORDIC_GAIN)
@portable
def shuttler_dds_damp_mu(volt_per_us):
def shuttler_dds_damp_mu(volt_per_us: float) -> int32:
return shuttler_volt_damp_mu(volt_per_us / CORDIC_GAIN)
@portable
def shuttler_dds_ddamp_mu(volt_per_us_square):
def shuttler_dds_ddamp_mu(volt_per_us_square: float) -> int64:
return shuttler_volt_ddamp_mu(volt_per_us_square / CORDIC_GAIN)
@portable
def shuttler_dds_dddamp_mu(volt_per_us_cube):
def shuttler_dds_dddamp_mu(volt_per_us_cube: float) -> int64:
return shuttler_volt_dddamp_mu(volt_per_us_cube / CORDIC_GAIN)
@nac3
class Shuttler(EnvExperiment):
core: KernelInvariant[Core]
shuttler0_leds: KernelInvariant[list[TTLOut]]
shuttler0_config: KernelInvariant[ShuttlerConfig]
shuttler0_trigger: KernelInvariant[ShuttlerTrigger]
shuttler0_volt: KernelInvariant[list[ShuttlerDCBias]]
shuttler0_dds: KernelInvariant[list[ShuttlerDDS]]
shuttler0_relay: KernelInvariant[ShuttlerRelay]
shuttler0_adc: KernelInvariant[ShuttlerADC]
def build(self):
self.setattr_device("core")
self.setattr_device("core_dma")
self.setattr_device("scheduler")
self.shuttler0_leds = [ self.get_device("shuttler0_led{}".format(i)) for i in range(2) ]
self.setattr_device("shuttler0_config")
@ -65,12 +86,6 @@ class Shuttler(EnvExperiment):
self.setattr_device("shuttler0_relay")
self.setattr_device("shuttler0_adc")
@kernel
def record(self):
with self.core_dma.record("example_waveform"):
self.example_waveform()
@kernel
def init(self):
self.led()
@ -84,35 +99,33 @@ class Shuttler(EnvExperiment):
self.core.break_realtime()
self.init()
self.record()
example_waveform_handle = self.core_dma.get_handle("example_waveform")
print("Example Waveforms are on OUT0 and OUT1")
print_rpc("Example Waveforms are on OUT0 and OUT1")
self.core.break_realtime()
while not(self.scheduler.check_termination()):
delay(1*s)
self.core_dma.playback_handle(example_waveform_handle)
#while not(self.scheduler.check_termination()):
while True:
self.core.delay(1.*s)
self.example_waveform()
@kernel
def shuttler_reset(self):
for i in range(16):
self.shuttler_channel_reset(i)
# To avoid RTIO Underflow
delay(50*us)
self.core.delay(50.*us)
@kernel
def shuttler_channel_reset(self, ch):
def shuttler_channel_reset(self, ch: int32):
self.shuttler0_volt[ch].set_waveform(
a0=0,
a1=0,
a2=0,
a3=0,
a2=int64(0),
a3=int64(0),
)
self.shuttler0_dds[ch].set_waveform(
b0=0,
b1=0,
b2=0,
b3=0,
b2=int64(0),
b3=int64(0),
c0=0,
c1=0,
c2=0,
@ -163,13 +176,13 @@ class Shuttler(EnvExperiment):
## Step 2 ##
start_f_MHz = 0.01
end_f_MHz = 0.05
duration_us = 500
duration_us = 500.
# OUT0 and OUT1 have their frequency and phase aligned at 500us
self.shuttler0_dds[0].set_waveform(
b0=shuttler_dds_amp_mu(1.0),
b1=0,
b2=0,
b3=0,
b2=int64(0),
b3=int64(0),
c0=0,
c1=shuttler_freq_mu(start_f_MHz),
c2=shuttler_freq_sweep(start_f_MHz, end_f_MHz, duration_us),
@ -177,22 +190,22 @@ class Shuttler(EnvExperiment):
self.shuttler0_dds[1].set_waveform(
b0=shuttler_dds_amp_mu(1.0),
b1=0,
b2=0,
b3=0,
b2=int64(0),
b3=int64(0),
c0=0,
c1=shuttler_freq_mu(end_f_MHz),
c2=0,
)
self.shuttler0_trigger.trigger(0b11)
delay(500*us)
self.core.delay(500.*us)
## Step 3 ##
# OUT0 and OUT1 has 180 degree phase difference
self.shuttler0_dds[0].set_waveform(
b0=shuttler_dds_amp_mu(1.0),
b1=0,
b2=0,
b3=0,
b2=int64(0),
b3=int64(0),
c0=shuttler_phase_offset(180.0),
c1=shuttler_freq_mu(end_f_MHz),
c2=0,
@ -200,7 +213,7 @@ class Shuttler(EnvExperiment):
# Phase and Output Setting of OUT1 is retained
# if the channel is not triggered or config is not cleared
self.shuttler0_trigger.trigger(0b1)
delay(500*us)
self.core.delay(500.*us)
## Step 4 ##
# b(0) = 0, b(250) = 8.545, b(500) = 0
@ -208,7 +221,7 @@ class Shuttler(EnvExperiment):
b0=0,
b1=shuttler_dds_damp_mu(0.06835937),
b2=shuttler_dds_ddamp_mu(-0.0001367187),
b3=0,
b3=int64(0),
c0=0,
c1=shuttler_freq_mu(end_f_MHz),
c2=0,
@ -217,26 +230,26 @@ class Shuttler(EnvExperiment):
b0=0,
b1=shuttler_dds_damp_mu(0.06835937),
b2=shuttler_dds_ddamp_mu(-0.0001367187),
b3=0,
b3=int64(0),
c0=0,
c1=0,
c2=0,
)
self.shuttler0_trigger.trigger(0b11)
delay(500*us)
self.core.delay(500.*us)
## Step 5 ##
self.shuttler0_volt[0].set_waveform(
a0=shuttler_volt_amp_mu(-5.0),
a1=int32(shuttler_volt_damp_mu(0.01)),
a2=0,
a3=0,
a2=int64(0),
a3=int64(0),
)
self.shuttler0_dds[0].set_waveform(
b0=shuttler_dds_amp_mu(1.0),
b1=0,
b2=0,
b3=0,
b2=int64(0),
b3=int64(0),
c0=0,
c1=shuttler_freq_mu(end_f_MHz),
c2=0,
@ -244,59 +257,59 @@ class Shuttler(EnvExperiment):
self.shuttler0_volt[1].set_waveform(
a0=shuttler_volt_amp_mu(-5.0),
a1=int32(shuttler_volt_damp_mu(0.01)),
a2=0,
a3=0,
a2=int64(0),
a3=int64(0),
)
self.shuttler0_dds[1].set_waveform(
b0=0,
b1=0,
b2=0,
b3=0,
b2=int64(0),
b3=int64(0),
c0=0,
c1=0,
c2=0,
)
self.shuttler0_trigger.trigger(0b11)
delay(1000*us)
self.core.delay(1000.*us)
## Step 6 ##
self.shuttler0_volt[0].set_waveform(
a0=shuttler_volt_amp_mu(-2.5),
a1=int32(shuttler_volt_damp_mu(0.01)),
a2=0,
a3=0,
a2=int64(0),
a3=int64(0),
)
self.shuttler0_dds[0].set_waveform(
b0=0,
b1=shuttler_dds_damp_mu(0.06835937),
b2=shuttler_dds_ddamp_mu(-0.0001367187),
b3=0,
b3=int64(0),
c0=0,
c1=shuttler_freq_mu(start_f_MHz),
c2=shuttler_freq_sweep(start_f_MHz, end_f_MHz, duration_us),
)
self.shuttler0_trigger.trigger(0b1)
self.shuttler_channel_reset(1)
delay(500*us)
self.core.delay(500.*us)
## Step 7 ##
self.shuttler0_volt[0].set_waveform(
a0=shuttler_volt_amp_mu(2.5),
a1=int32(shuttler_volt_damp_mu(-0.01)),
a2=0,
a3=0,
a2=int64(0),
a3=int64(0),
)
self.shuttler0_dds[0].set_waveform(
b0=0,
b1=shuttler_dds_damp_mu(-0.06835937),
b2=shuttler_dds_ddamp_mu(0.0001367187),
b3=0,
b3=int64(0),
c0=shuttler_phase_offset(180.0),
c1=shuttler_freq_mu(end_f_MHz),
c2=shuttler_freq_sweep(end_f_MHz, start_f_MHz, duration_us),
)
self.shuttler0_trigger.trigger(0b1)
delay(500*us)
self.core.delay(500.*us)
## Step 8 ##
self.shuttler0_relay.enable(0)
@ -308,7 +321,7 @@ class Shuttler(EnvExperiment):
for i in range(2):
for j in range(3):
self.shuttler0_leds[i].pulse(.1*s)
delay(.1*s)
self.core.delay(.1*s)
@kernel
def relay_init(self):

View File

@ -3,7 +3,7 @@
"min_artiq_version": "9.0",
"variant": "nac3devices",
"hw_rev": "v2.0",
"base": "standalone",
"drtio_role": "master",
"core_addr": "192.168.1.70",
"peripherals": [
{
@ -51,6 +51,10 @@
{
"type": "phaser",
"ports": [10]
},
{
"type": "shuttler",
"ports": [11]
}
]
}

View File

@ -14,6 +14,7 @@ from artiq.coredevice.edge_counter import EdgeCounter
from artiq.coredevice.grabber import Grabber
from artiq.coredevice.fastino import Fastino
from artiq.coredevice.phaser import Phaser
from artiq.coredevice.shuttler import Volt as ShuttlerDCBias, Dds as ShuttlerDDS
@nac3
@ -34,6 +35,8 @@ class NAC3Devices(EnvExperiment):
grabber0: KernelInvariant[Grabber]
fastino0: KernelInvariant[Fastino]
phaser0: KernelInvariant[Phaser]
shuttler0_volt0: KernelInvariant[ShuttlerDCBias]
shuttler0_dds0: KernelInvariant[ShuttlerDDS]
def build(self):
self.setattr_device("core")
@ -52,6 +55,8 @@ class NAC3Devices(EnvExperiment):
self.setattr_device("grabber0")
self.setattr_device("fastino0")
self.setattr_device("phaser0")
self.setattr_device("shuttler0_volt0")
self.setattr_device("shuttler0_dds0")
@kernel
def run(self):