mirror of https://github.com/m-labs/artiq.git
pdq2: pep8
This commit is contained in:
parent
ea0773ccb5
commit
88ad4fbf23
|
@ -24,7 +24,7 @@ try:
|
|||
written = self.dev.write(data)
|
||||
if written < 0:
|
||||
raise pylibftdi.FtdiError(written,
|
||||
self.dev.get_error_string())
|
||||
self.dev.get_error_string())
|
||||
return written
|
||||
|
||||
def close(self):
|
||||
|
@ -82,31 +82,31 @@ class Pdq2:
|
|||
"""
|
||||
PDQ DAC (a.k.a. QC_Waveform)
|
||||
"""
|
||||
max_val = 1<<15 # signed 16 bit DAC
|
||||
max_val = 1 << 15 # signed 16 bit DAC
|
||||
max_out = 10.
|
||||
freq = 50e6 # samples/s
|
||||
max_time = 1<<16 # unsigned 16 bit timer
|
||||
freq = 50e6 # samples/s
|
||||
max_time = 1 << 16 # unsigned 16 bit timer
|
||||
num_dacs = 3
|
||||
num_frames = 8
|
||||
num_channels = 9
|
||||
max_data = 4*(1<<10) # 8kx16 8kx16 4kx16
|
||||
max_data = 4*(1 << 10) # 8kx16 8kx16 4kx16
|
||||
escape_char = b"\xa5"
|
||||
cordic_gain = 1.
|
||||
for i in range(16):
|
||||
cordic_gain *= np.sqrt(1 + 2**(-2*i))
|
||||
|
||||
commands = {
|
||||
"RESET_EN": b"\x00",
|
||||
"RESET_DIS": b"\x01",
|
||||
"TRIGGER_EN": b"\x02",
|
||||
"TRIGGER_DIS": b"\x03",
|
||||
"ARM_EN": b"\x04",
|
||||
"ARM_DIS": b"\x05",
|
||||
"DCM_EN": b"\x06",
|
||||
"DCM_DIS": b"\x07",
|
||||
"START_EN": b"\x08",
|
||||
"START_DIS": b"\x09",
|
||||
}
|
||||
"RESET_EN": b"\x00",
|
||||
"RESET_DIS": b"\x01",
|
||||
"TRIGGER_EN": b"\x02",
|
||||
"TRIGGER_DIS": b"\x03",
|
||||
"ARM_EN": b"\x04",
|
||||
"ARM_DIS": b"\x05",
|
||||
"DCM_EN": b"\x06",
|
||||
"DCM_DIS": b"\x07",
|
||||
"START_EN": b"\x08",
|
||||
"START_DIS": b"\x09",
|
||||
}
|
||||
|
||||
def __init__(self, serial=None):
|
||||
self.serial = serial
|
||||
|
@ -123,8 +123,8 @@ class Pdq2:
|
|||
return self.write(self.cmd(cmd))
|
||||
|
||||
def escape(self, data):
|
||||
return data.replace(self.escape_char, self.escape_char +
|
||||
self.escape_char)
|
||||
return data.replace(self.escape_char,
|
||||
self.escape_char + self.escape_char)
|
||||
|
||||
def write(self, *segments):
|
||||
"""
|
||||
|
@ -158,13 +158,13 @@ class Pdq2:
|
|||
if tr is None:
|
||||
tr = t
|
||||
dv = [interpolate.splev(tr[:-1], spline, der=i)
|
||||
for i in range(order + 1)]
|
||||
for i in range(order + 1)]
|
||||
# correct for adder chain latency
|
||||
correction_map = [
|
||||
(1, -1/2., 2),
|
||||
(1, -1/6., 3),
|
||||
(2, -1., 3),
|
||||
]
|
||||
(1, -1/2., 2),
|
||||
(1, -1/6., 3),
|
||||
(2, -1., 3),
|
||||
]
|
||||
for i, c, j in correction_map:
|
||||
if j >= len(dv):
|
||||
break
|
||||
|
@ -180,14 +180,14 @@ class Pdq2:
|
|||
frame.append((part >> 32).astype("<i2"))
|
||||
else:
|
||||
frame.append(part.astype("<" + dtype))
|
||||
frame = np.rec.fromarrays(frame) # interleave
|
||||
frame = np.rec.fromarrays(frame) # interleave
|
||||
logger.debug("frame %s dtype %s shape %s length %s",
|
||||
frame, frame.dtype, frame.shape, len(bytes(frame.data)))
|
||||
frame, frame.dtype, frame.shape, len(bytes(frame.data)))
|
||||
return bytes(frame.data)
|
||||
|
||||
def frame(self, t, v, p=None, f=None,
|
||||
order=3, aux=None, shift=0, trigger=True, end=True,
|
||||
silence=False, stop=True, clear=True, wait=False):
|
||||
order=3, aux=None, shift=0, trigger=True, end=True,
|
||||
silence=False, stop=True, clear=True, wait=False):
|
||||
"""
|
||||
serialize frame data
|
||||
voltages in volts, times in seconds
|
||||
|
@ -204,17 +204,17 @@ class Pdq2:
|
|||
parts = []
|
||||
|
||||
head = np.zeros(len(t) - 1, "<u2")
|
||||
head[:] |= length # 4
|
||||
head[:] |= length # 4
|
||||
if p is not None:
|
||||
head[:] |= 1<<4 # typ # 2
|
||||
head[0] |= trigger<<6 # 1
|
||||
head[-1] |= (not stop and silence)<<7 # 1
|
||||
head[:] |= 1 << 4 # typ # 2
|
||||
head[0] |= trigger << 6 # 1
|
||||
head[-1] |= (not stop and silence) << 7 # 1
|
||||
if aux is not None:
|
||||
head[:] |= aux[:len(head)]<<8 # 1
|
||||
head[:] |= shift<<9 # 4
|
||||
head[-1] |= (not stop and end)<<13 # 1
|
||||
head[0] |= clear<<14 # 1
|
||||
head[-1] |= (not stop and wait)<<15 # 1
|
||||
head[:] |= aux[:len(head)] << 8 # 1
|
||||
head[:] |= shift << 9 # 4
|
||||
head[-1] |= (not stop and end) << 13 # 1
|
||||
head[0] |= clear << 14 # 1
|
||||
head[-1] |= (not stop and wait) << 15 # 1
|
||||
parts.append((head, "u2"))
|
||||
|
||||
t, tr, dt = self.line_times(t, shift)
|
||||
|
@ -243,19 +243,21 @@ class Pdq2:
|
|||
|
||||
if stop:
|
||||
if p is not None:
|
||||
frame += struct.pack("<HH hiihih H ii", (15<<0) | (1<<4) |
|
||||
(silence<<7) | (end<<13) | (wait<<15),
|
||||
1, int(v[-1]*2**15), 0, 0, 0, 0, 0,
|
||||
int(p[-1]*2**16), int(f[-1]*2**31), 0)
|
||||
frame += struct.pack("<HH hiihih H ii", (15 << 0) | (1 << 4) |
|
||||
(silence << 7) |
|
||||
(end << 13) |
|
||||
(wait << 15),
|
||||
1, int(v[-1]*2**15), 0, 0, 0, 0, 0,
|
||||
int(p[-1]*2**16), int(f[-1]*2**31), 0)
|
||||
else:
|
||||
frame += struct.pack("<HH h", (2<<0) |
|
||||
(silence<<7) | (end<<13) | (wait << 15),
|
||||
1, int(v[-1]*2**15))
|
||||
frame += struct.pack("<HH h", (2 << 0) | (silence << 7) |
|
||||
(end << 13) | (wait << 15),
|
||||
1, int(v[-1]*2**15))
|
||||
return frame
|
||||
|
||||
def line(self, dt, v=(), a=(), p=(), f=(), typ=0,
|
||||
silence=False, end=False, trigger=False, aux=False,
|
||||
clear=False):
|
||||
silence=False, end=False, trigger=False, aux=False,
|
||||
clear=False):
|
||||
raise NotImplementedError
|
||||
fmt = "<HH"
|
||||
parts = [0, int(round(dt*self.freq))]
|
||||
|
@ -292,7 +294,7 @@ class Pdq2:
|
|||
def add_mem_header(self, board, dac, data, adr=0):
|
||||
assert dac in range(self.num_dacs)
|
||||
head = struct.pack("<HHH", (board << 4) | dac,
|
||||
adr, adr + len(data)//2 - 1)
|
||||
adr, adr + len(data)//2 - 1)
|
||||
return head + data
|
||||
|
||||
def multi_frame(self, times_voltages, channel, map=None, **kwargs):
|
||||
|
|
|
@ -17,37 +17,39 @@ def _main():
|
|||
Evaluates times and voltages, interpolates and uploads
|
||||
them.""")
|
||||
parser.add_argument("-s", "--serial", default=None,
|
||||
help="device (FT245R) serial string [first]")
|
||||
help="device (FT245R) serial string [first]")
|
||||
parser.add_argument("-c", "--channel", default=0, type=int,
|
||||
help="channel: 3*board_num+dac_num [%(default)s]")
|
||||
help="channel: 3*board_num+dac_num [%(default)s]")
|
||||
parser.add_argument("-f", "--frame", default=0, type=int,
|
||||
help="frame [%(default)s]")
|
||||
help="frame [%(default)s]")
|
||||
parser.add_argument("-e", "--free", default=False,
|
||||
action="store_true",
|
||||
help="software trigger [%(default)s]")
|
||||
action="store_true",
|
||||
help="software trigger [%(default)s]")
|
||||
parser.add_argument("-n", "--disarm", default=False,
|
||||
action="store_true",
|
||||
help="disarm group [%(default)s]")
|
||||
action="store_true",
|
||||
help="disarm group [%(default)s]")
|
||||
parser.add_argument("-t", "--times",
|
||||
default="np.arange(5)*1e-6",
|
||||
help="sample times (s) [%(default)s]")
|
||||
default="np.arange(5)*1e-6",
|
||||
help="sample times (s) [%(default)s]")
|
||||
parser.add_argument("-v", "--voltages",
|
||||
default="(1-np.cos(t/t[-1]*2*np.pi))/2",
|
||||
help="sample voltages (V) [%(default)s]")
|
||||
default="(1-np.cos(t/t[-1]*2*np.pi))/2",
|
||||
help="sample voltages (V) [%(default)s]")
|
||||
parser.add_argument("-o", "--order", default=3, type=int,
|
||||
help="interpolation (0: const, 1: lin, 2: quad, 3: cubic)"
|
||||
" [%(default)s]")
|
||||
help="interpolation"
|
||||
" (0: const, 1: lin, 2: quad, 3: cubic)"
|
||||
" [%(default)s]")
|
||||
parser.add_argument("-m", "--dcm", default=None, type=int,
|
||||
help="choose fast 100MHz clock [%(default)s]")
|
||||
help="choose fast 100MHz clock [%(default)s]")
|
||||
parser.add_argument("-x", "--demo", default=False, action="store_true",
|
||||
help="demo mode: pulse and chirp, 1V*ch+0.1V*frame [%(default)s]")
|
||||
help="demo mode: pulse and chirp,"
|
||||
" 1V*ch+0.1V*frame [%(default)s]")
|
||||
parser.add_argument("-p", "--plot", help="plot to file [%(default)s]")
|
||||
parser.add_argument("-d", "--debug", default=False,
|
||||
action="store_true", help="debug communications")
|
||||
action="store_true", help="debug communications")
|
||||
parser.add_argument("-r", "--reset", default=False,
|
||||
action="store_true", help="do reset before")
|
||||
action="store_true", help="do reset before")
|
||||
parser.add_argument("-b", "--bit", default=False,
|
||||
action="store_true", help="do bit test")
|
||||
action="store_true", help="do bit test")
|
||||
|
||||
args = parser.parse_args()
|
||||
|
||||
|
@ -87,8 +89,8 @@ def _main():
|
|||
f.append(b"".join([
|
||||
dev.frame(times, vi, order=args.order, end=False),
|
||||
dev.frame(2*times, voltages, pi, fi, trigger=False),
|
||||
#dev.frame(2*times, 0*vi+.1, 0*pi, 0*fi+1e6),
|
||||
#dev.frame(times, 0*vi, order=args.order, silence=True),
|
||||
# dev.frame(2*times, 0*vi+.1, 0*pi, 0*fi+1e6),
|
||||
# dev.frame(times, 0*vi, order=args.order, silence=True),
|
||||
]))
|
||||
board, dac = divmod(channel, dev.num_dacs)
|
||||
dev.write_data(dev.add_mem_header(board, dac, dev.map_frames(f)))
|
||||
|
@ -97,14 +99,15 @@ def _main():
|
|||
t = np.arange(2*16) * 1.
|
||||
v = [-1, 0, -1]
|
||||
for i in range(15):
|
||||
vi = 1<<i
|
||||
vi = 1 << i
|
||||
v.extend([vi - 1, vi])
|
||||
v = np.array(v)*dev.max_out/(1<<15)
|
||||
v = np.array(v)*dev.max_out/(1 << 15)
|
||||
t, v = t[:3], v[:3]
|
||||
#print(t, v)
|
||||
# print(t, v)
|
||||
for channel in range(dev.num_channels):
|
||||
dev.write_data(dev.multi_frame([(t, v)], channel=channel,
|
||||
order=0, map=map, shift=15, stop=False, trigger=False))
|
||||
order=0, map=map, shift=15,
|
||||
stop=False, trigger=False))
|
||||
else:
|
||||
tv = [(times, voltages)]
|
||||
map = [None] * dev.num_frames
|
||||
|
|
Loading…
Reference in New Issue