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grabber: port to NAC3

This commit is contained in:
Sebastien Bourdeauducq 2022-02-28 11:53:41 +08:00
parent bf8e188868
commit 2e4233274f
3 changed files with 20 additions and 9 deletions

View File

@ -1,19 +1,23 @@
from numpy import int32, int64
from artiq.language.core import *
from artiq.language.types import *
from artiq.coredevice.rtio import rtio_output, rtio_input_data
from artiq.coredevice.core import Core
@nac3
class OutOfSyncException(Exception):
"""Raised when an incorrect number of ROI engine outputs has been
retrieved from the RTIO input FIFO."""
pass
@nac3
class Grabber:
"""Driver for the Grabber camera interface."""
kernel_invariants = {"core", "channel_base", "sentinel"}
core: KernelInvariant[Core]
channel_base: KernelInvariant[int32]
sentinel: KernelInvariant[int32]
def __init__(self, dmgr, channel_base, res_width=12, count_shift=0,
core_device="core"):
@ -26,7 +30,7 @@ class Grabber:
self.sentinel = int32(int64(2**count_width))
@kernel
def setup_roi(self, n, x0, y0, x1, y1):
def setup_roi(self, n: int32, x0: int32, y0: int32, x1: int32, y1: int32):
"""
Defines the coordinates of a ROI.
@ -50,7 +54,7 @@ class Grabber:
delay_mu(c)
@kernel
def gate_roi(self, mask):
def gate_roi(self, mask: int32):
"""
Defines which ROI engines produce input events.
@ -70,15 +74,15 @@ class Grabber:
rtio_output((self.channel_base + 1) << 8, mask)
@kernel
def gate_roi_pulse(self, mask, dt):
def gate_roi_pulse(self, mask: int32, dt: float):
"""Sets a temporary mask for the specified duration (in seconds), before
disabling all ROI engines."""
self.gate_roi(mask)
delay(dt)
self.core.delay(dt)
self.gate_roi(0)
@kernel
def input_mu(self, data):
def input_mu(self, data: list[int32]):
"""
Retrieves the accumulated values for one frame from the ROI engines.
Blocks until values are available.
@ -96,10 +100,10 @@ class Grabber:
sentinel = rtio_input_data(channel)
if sentinel != self.sentinel:
raise OutOfSyncException
raise OutOfSyncException()
for i in range(len(data)):
roi_output = rtio_input_data(channel)
if roi_output == self.sentinel:
raise OutOfSyncException
raise OutOfSyncException()
data[i] = roi_output

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@ -32,6 +32,10 @@
"bank_direction_low": "input",
"bank_direction_high": "output",
"edge_counter": true
},
{
"type": "grabber",
"ports": [6]
}
]
}

View File

@ -8,6 +8,7 @@ from artiq.coredevice.urukul import CPLD as UrukulCPLD
from artiq.coredevice.ad9912 import AD9912
from artiq.coredevice.sampler import Sampler
from artiq.coredevice.edge_counter import EdgeCounter
from artiq.coredevice.grabber import Grabber
@nac3
@ -21,6 +22,7 @@ class NAC3Devices(EnvExperiment):
urukul0_ch0: KernelInvariant[AD9912]
sampler0: KernelInvariant[Sampler]
ttl0_counter: KernelInvariant[EdgeCounter]
grabber0: KernelInvariant[Grabber]
def build(self):
self.setattr_device("core")
@ -32,6 +34,7 @@ class NAC3Devices(EnvExperiment):
self.setattr_device("urukul0_ch0")
self.setattr_device("sampler0")
self.setattr_device("ttl0_counter")
self.setattr_device("grabber0")
@kernel
def run(self):