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dac34h84: unflip spectrum, clear nco

This commit is contained in:
Robert Jördens 2020-09-23 08:35:56 +00:00
parent 50b4eb4840
commit ef65ee18bd
1 changed files with 22 additions and 9 deletions
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31
artiq/coredevice/dac34h84.py
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@ -72,6 +72,13 @@ class DAC34H84:
qmc_phasecd = 0 # 12b
phase_offsetab = 0 # 16b
phase_offsetcd = 0 # 16b
phase_addab_lsb = 0 # 16b
phase_addab_msb = 0 # 16b
phase_addcd_lsb = 0 # 16b
phase_addcd_msb = 0 # 16b
pll_reset = 0
pll_ndivsync_ena = 1
pll_ena = 1
@ -109,15 +116,15 @@ class DAC34H84:
syncsel_fifoout = 0b0100 # ostr
clkdiv_sync_sel = 0 # ostr
path_a_sel = 0b00
path_b_sel = 0b01
path_c_sel = 0b10
path_d_sel = 0b11
# reverse dacs (DCBA) for spectral inversion and layout
dac_a_sel = 0b11
dac_b_sel = 0b10
dac_c_sel = 0b01
dac_d_sel = 0b00
path_a_sel = 0
path_b_sel = 1
path_c_sel = 2
path_d_sel = 3
# swap dac pairs (CDAB) for layout
dac_a_sel = 2
dac_b_sel = 3
dac_c_sel = 0
dac_d_sel = 1
dac_sleep_en = 0b1111 # msb a
clkrecv_sleep_en = 1
@ -201,6 +208,12 @@ class DAC34H84:
(self.qmc_gaind << 0))
mmap.append((0x10 << 16) | (self.qmc_phaseab << 0))
mmap.append((0x11 << 16) | (self.qmc_phasecd << 0))
mmap.append((0x12 << 16) | (self.phase_offsetab << 0))
mmap.append((0x13 << 16) | (self.phase_offsetcd << 0))
mmap.append((0x14 << 16) | (self.phase_addab_lsb << 0))
mmap.append((0x15 << 16) | (self.phase_addab_msb << 0))
mmap.append((0x16 << 16) | (self.phase_addcd_lsb << 0))
mmap.append((0x17 << 16) | (self.phase_addcd_msb << 0))
mmap.append(
(0x18 << 16) |
(0b001 << 13) | (self.pll_reset << 12) |