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

phaser: verify flags in dac_setup

This commit is contained in:
Robert Jördens 2016-10-12 12:19:08 +02:00
parent 1117fe191b
commit 3b1d5d7eb6
1 changed files with 18 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
artiq/examples/phaser/repository/dac_setup.py
View File

@ -30,6 +30,7 @@ class DACSetup(EnvExperiment):
self.setattr_device("core")
self.setattr_device("led")
self.setattr_device("ad9154")
self.setattr_device("sync")
@kernel
def run(self):
@ -38,10 +39,21 @@ class DACSetup(EnvExperiment):
self.ad9154.jesd_prbs(0)
self.ad9154.init()
self.dac_setup()
self.busywait_us(200000)
self.ad9154.jesd_enable(1)
while not self.ad9154.jesd_ready():
pass
if self.ad9154.dac_read(AD9154_CODEGRPSYNCFLG) != 0x0f:
raise ValueError("no CODEGRPSYNCFLG")
self.core.break_realtime()
if not self.sync.sample_get_nonrt():
pass #raise ValueError("SYNC still low")
if self.ad9154.dac_read(AD9154_FRAMESYNCFLG) != 0x0f:
raise ValueError("no FRAMESYNCFLG")
if self.ad9154.dac_read(AD9154_GOODCHKSUMFLG) != 0x0f:
raise ValueError("no GOODCHECKSUMFLG")
if self.ad9154.dac_read(AD9154_INITLANESYNCFLG) != 0x0f:
raise ValueError("no INITLANESYNCFLG")
self.monitor()
@kernel
def busywait_us(self, t):
@ -241,6 +253,9 @@ class DACSetup(EnvExperiment):
# AD9154_ENABLE_SERDESPLL_SET(1) | AD9154_RECAL_SERDESPLL_SET(1))
self.ad9154.dac_write(AD9154_SERDESPLL_ENABLE_CNTRL,
AD9154_ENABLE_SERDESPLL_SET(1) | AD9154_RECAL_SERDESPLL_SET(0))
while not AD9154_SERDES_PLL_LOCK_RB_GET(self.ad9154.dac_read(AD9154_PLL_STATUS)):
pass
self.ad9154.dac_write(AD9154_EQ_BIAS_REG, AD9154_EQ_BIAS_RESERVED_SET(0x22) |
AD9154_EQ_POWER_MODE_SET(1))
@ -279,8 +294,8 @@ class DACSetup(EnvExperiment):
AD9154_LINK_EN_SET(0x1) | AD9154_LINK_PAGE_SET(0) |
AD9154_LINK_MODE_SET(0) | AD9154_CHECKSUM_MODE_SET(0))
self.busywait_us(1000)
@kernel
def monitor(self):
self.ad9154.dac_write(AD9154_IRQ_STATUS0, 0x00)
self.ad9154.dac_write(AD9154_IRQ_STATUS1, 0x00)
self.ad9154.dac_write(AD9154_IRQ_STATUS2, 0x00)