occheung/artiq
1
0
Fork 0
forked from M-Labs/artiq
Code Pull Requests Activity

phaser: cleanup dac_setup

Browse Source
This commit is contained in:
Robert Jördens 2016-10-13 15:02:42 +02:00
parent 4c7c479c94
commit b1137563b3
1 changed files with 21 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
artiq/examples/phaser/repository/dac_setup.py
View File

@ -34,28 +34,31 @@ class DACSetup(EnvExperiment):
@kernel
def run(self):
self.core.break_realtime()
self.core.reset()
self.ad9154.jesd_enable(0)
self.ad9154.jesd_prbs(0)
self.ad9154.jesd_stpl(0)
self.busywait_us(10000)
self.ad9154.jesd_enable(1)
self.ad9154.init()
self.dac_setup()
self.busywait_us(200000)
self.ad9154.jesd_enable(0)
self.busywait_us(10000)
self.ad9154.jesd_enable(1)
self.monitor()
while not self.ad9154.jesd_ready():
pass
self.monitor()
if self.ad9154.dac_read(AD9154_CODEGRPSYNCFLG) != 0x0f:
raise ValueError("no CODEGRPSYNCFLG")
raise ValueError("bad CODEGRPSYNCFLG")
self.core.break_realtime()
if not self.sync.sample_get_nonrt():
pass #raise ValueError("SYNC still low")
raise ValueError("bad SYNC")
if self.ad9154.dac_read(AD9154_FRAMESYNCFLG) != 0x0f:
raise ValueError("no FRAMESYNCFLG")
raise ValueError("bad FRAMESYNCFLG")
if self.ad9154.dac_read(AD9154_GOODCHKSUMFLG) != 0x0f:
raise ValueError("no GOODCHECKSUMFLG")
raise ValueError("bad GOODCHECKSUMFLG")
if self.ad9154.dac_read(AD9154_INITLANESYNCFLG) != 0x0f:
raise ValueError("no INITLANESYNCFLG")
raise ValueError("bad INITLANESYNCFLG")
@kernel
def busywait_us(self, t):
@ -66,11 +69,17 @@ class DACSetup(EnvExperiment):
@kernel
def dac_setup(self):
# reset
self.ad9154.dac_write(AD9154_SPI_INTFCONFA, AD9154_SOFTRESET_SET(1) |
AD9154_LSBFIRST_SET(0) | AD9154_SDOACTIVE_SET(1))
self.ad9154.dac_write(AD9154_SPI_INTFCONFA,
AD9154_SOFTRESET_M_SET(1) | AD9154_SOFTRESET_SET(1) |
AD9154_LSBFIRST_M_SET(0) | AD9154_LSBFIRST_SET(0) |
AD9154_ADDRINC_M_SET(0) | AD9154_ADDRINC_SET(0) |
AD9154_SDOACTIVE_M_SET(1) | AD9154_SDOACTIVE_SET(1))
self.busywait_us(100)
self.ad9154.dac_write(AD9154_SPI_INTFCONFA,
AD9154_LSBFIRST_SET(0) | AD9154_SDOACTIVE_SET(1))
AD9154_SOFTRESET_M_SET(0) | AD9154_SOFTRESET_SET(0) |
AD9154_LSBFIRST_M_SET(0) | AD9154_LSBFIRST_SET(0) |
AD9154_ADDRINC_M_SET(0) | AD9154_ADDRINC_SET(0) |
AD9154_SDOACTIVE_M_SET(1) | AD9154_SDOACTIVE_SET(1))
self.busywait_us(100)
if ((self.ad9154.dac_read(AD9154_PRODIDH) << 8) |
self.ad9154.dac_read(AD9154_PRODIDL) != 0x9154):
@ -281,8 +290,7 @@ class DACSetup(EnvExperiment):
AD9154_SYNCCLRLAST_SET(0))
self.busywait_us(1000) # ensure at leas one sysref edge
if not AD9154_SYNC_LOCK_GET(self.ad9154.dac_read(AD9154_SYNC_STATUS)):
pass
# raise ValueError("no sync lock")
raise ValueError("no sync lock")
self.ad9154.dac_write(AD9154_XBAR_LN_0_1,
AD9154_LOGICAL_LANE0_SRC_SET(7) | AD9154_LOGICAL_LANE1_SRC_SET(6))
self.ad9154.dac_write(AD9154_XBAR_LN_2_3,