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miqro format change: encode len, not end

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This commit is contained in:
Robert Jördens 2022-09-15 11:02:59 +00:00
parent af28bf3550
commit 14ab1d4bbc
1 changed files with 10 additions and 8 deletions
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18
artiq/coredevice/phaser.py
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@ -1386,8 +1386,8 @@ class Miqro:
for osc in range(16):
for pro in range(32):
self.set_profile_mu(osc, pro, 0, 0, 0)
delay(20*us)
self.set_window_mu(start=0, iq=[0], rate=1, shift=0, order=0, head=0, tail=1)
delay(10*us)
self.set_window_mu(start=0, iq=[0], rate=1, shift=0, order=0, head=0, tail=0)
self.pulse(window=0, profiles=[0])
@kernel
@ -1412,6 +1412,7 @@ class Miqro:
raise ValueError("amplitude out of bounds")
pow = int32(round(phase*(1 << 16)))
self.set_profile_mu(oscillator, profile, ftw, asf, pow)
return ftw
@kernel
def set_window_mu(self, start, iq, rate=1, shift=0, order=3, head=1, tail=1):
@ -1428,7 +1429,7 @@ class Miqro:
self.channel.phaser.write16(PHASER_ADDR_MIQRO_MEM_ADDR,
(self.channel.index << 15) | start)
self.channel.phaser.write32(PHASER_ADDR_MIQRO_MEM_DATA,
((start + 1 + len(iq)) & 0x3ff) |
(len(iq) & 0x3ff) |
((rate - 1) << 10) |
(shift << 22) |
(order << 28) |
@ -1457,6 +1458,7 @@ class Miqro:
for iqi in iq
]
self.set_window_mu(start, iq_mu, rate, shift, order, head, tail)
return rate
@kernel
def encode(self, window, profiles, data):
@ -1470,20 +1472,20 @@ class Miqro:
for profile in profiles:
if profile > 0x1f:
raise ValueError("profile out of bounds")
if idx >= 30:
word += 1
idx = 0
data[word] |= profile << idx
idx += 5
return word + 1
if idx > 32 - 5:
word += 1
idx = 0
return word
@kernel
def pulse_mu(self, data):
word = len(data)
delay_mu(-8*word) # back shift to align
while word > 0:
delay_mu(8)
word -= 1
delay_mu(8)
# final write sets pulse stb
rtio_output(self.base_addr + word, data[word])