forked from M-Labs/artiq
1
0
Fork 0

phaser: iotest early, check_alarms

This commit is contained in:
Robert Jördens 2020-09-17 14:13:58 +00:00
parent b15e388b5f
commit f0959fb871
1 changed files with 50 additions and 44 deletions

View File

@ -169,44 +169,6 @@ class Phaser:
t = self.get_dac_temperature()
if t < 10 or t > 90:
raise ValueError("DAC temperature out of bounds")
delay(.1*ms)
delay(.5*ms) # slack
self.dac_write(0x00, 0x019c) # I=2, fifo, clkdiv_sync, qmc off
self.dac_write(0x01, 0x040e) # fifo alarms, parity
self.dac_write(0x02, 0x70a2) # clk alarms, sif4, nco off, mix, mix_gain, 2s
self.dac_write(0x03, 0x4000) # coarse dac 20.6 mA
self.dac_write(0x07, 0x40c1) # alarm mask
self.dac_write(0x09, 0x4000) # fifo_offset
self.dac_write(0x0d, 0x0000) # fmix, no cmix
self.dac_write(0x14, 0x5431) # fine nco ab
self.dac_write(0x15, 0x0323) # coarse nco ab
self.dac_write(0x16, 0x5431) # fine nco cd
self.dac_write(0x17, 0x0323) # coarse nco cd
self.dac_write(0x18, 0x2c60) # P=4, pll run, single cp, pll_ndivsync
self.dac_write(0x19, 0x8814) # M=16 N=2
self.dac_write(0x1a, 0xfc00) # pll_vco=63, 4 GHz
delay(.2*ms) # slack
self.dac_write(0x1b, 0x0800) # int ref, fuse
self.dac_write(0x1e, 0x9999) # qmc sync from sif and reg
self.dac_write(0x1f, 0x9982) # mix sync, nco sync, istr is istr, sif_sync
self.dac_write(0x20, 0x2400) # fifo sync ISTR-OSTR
self.dac_write(0x22, 0x1be4) # reverse dacs for spectral inversion and layout
self.dac_write(0x24, 0x0000) # clk and data delays
self.clear_dac_alarms()
delay(1*ms) # lock pll
lvolt = self.dac_read(0x18) & 7
delay(.1*ms)
if lvolt < 2 or lvolt > 5:
raise ValueError("DAC PLL tuning voltage out of bounds")
# self.dac_write(0x20, 0x0000) # stop fifo sync
# alarm = self.get_sta() & 1
# delay(.1*ms)
alarm = self.get_dac_alarms()
if alarm & ~0x0040: # ignore PLL alarms (see DS)
print(alarm)
raise ValueError("DAC alarm")
delay(.5*ms)
patterns = [
@ -228,6 +190,35 @@ class Phaser:
if errors:
raise ValueError("iotest error")
delay(.5*ms)
delay(.5*ms) # slack
self.dac_write(0x00, 0x019c) # I=2, fifo, clkdiv_sync, qmc off
self.dac_write(0x01, 0x040e) # fifo alarms, parity
self.dac_write(0x02, 0x70a2) # clk alarms, sif4, nco off, mix, mix_gain, 2s
self.dac_write(0x03, 0xa000) # coarse dac 20.6 mA
self.dac_write(0x07, 0x40c1) # alarm mask
self.dac_write(0x09, 0x4000) # fifo_offset
self.dac_write(0x0d, 0x0000) # fmix, no cmix
self.dac_write(0x14, 0x5431) # fine nco ab
self.dac_write(0x15, 0x0323) # coarse nco ab
self.dac_write(0x16, 0x5431) # fine nco cd
self.dac_write(0x17, 0x0323) # coarse nco cd
self.dac_write(0x18, 0x2c60) # P=4, pll run, single cp, pll_ndivsync
self.dac_write(0x19, 0x8814) # M=16 N=2
self.dac_write(0x1a, 0xfc00) # pll_vco=63, 4 GHz
delay(.2*ms) # slack
self.dac_write(0x1b, 0x0800) # int ref, fuse
self.dac_write(0x1e, 0x9999) # qmc sync from sif and reg
self.dac_write(0x1f, 0x9982) # mix sync, nco sync, istr is istr, sif_sync
self.dac_write(0x20, 0x2400) # fifo sync ISTR-OSTR
self.dac_write(0x22, 0x1be4) # reverse dacs for spectral inversion and layout
self.dac_write(0x24, 0x0000) # clk and data delays
delay(2*ms) # lock pll
lvolt = self.dac_read(0x18) & 7
delay(.1*ms)
if lvolt < 2 or lvolt > 5:
raise ValueError("DAC PLL tuning voltage out of bounds")
self.clear_dac_alarms()
hw_rev = self.read8(PHASER_ADDR_HW_REV)
@ -236,8 +227,8 @@ class Phaser:
for ch in range(2):
# test attenuator write and readback
self.channel[ch].set_att_mu(0x55)
if self.channel[ch].get_att_mu() != 0x55:
self.channel[ch].set_att_mu(0x5a)
if self.channel[ch].get_att_mu() != 0x5a:
raise ValueError("attenuator test failed")
delay(.1*ms)
self.channel[ch].set_att(31.5*dB)
@ -250,6 +241,19 @@ class Phaser:
raise ValueError("DAC test data readback failed")
delay(.1*ms)
# self.dac_write(0x20, 0x0000) # stop fifo sync
# alarm = self.get_sta() & 1
# delay(.1*ms)
self.check_dac_alarms()
@kernel
def check_dac_alarms(self):
alarm = self.get_dac_alarms()
delay(.1*ms) # slack
if alarm & ~0x0040: # ignore PLL alarms (see DS)
print(alarm)
raise ValueError("DAC alarm")
@kernel
def write8(self, addr, data):
"""Write data to FPGA register.
@ -506,11 +510,13 @@ class Phaser:
# no need to go through the alarm register,
# just read the error mask
# self.clear_dac_alarms()
# alarm = self.dac_read(0x05)
# delay(.1*ms) # slack
# if alarm & 0x0080: # alarm_from_iotest
errors = self.dac_read(0x04)
alarm = self.get_dac_alarms()
delay(.1*ms) # slack
if alarm & 0x0080: # alarm_from_iotest
errors = self.dac_read(0x04)
delay(.1*ms) # slack
else:
errors = 0
self.dac_write(0x01, 0x0000) # clear config
self.dac_write(0x04, 0x0000) # clear iotest_result
return errors