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devices/novatech409b: improve simultaneous update API

This commit is contained in:
Joe Britton 2015-10-12 16:13:30 +08:00 committed by Sebastien Bourdeauducq
parent 7414b90da3
commit b5cc680fdb
1 changed files with 4 additions and 27 deletions
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31
artiq/devices/novatech409b/driver.py
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@ -137,6 +137,10 @@ class Novatech409B:
else: else:
self._ser_send("I a") self._ser_send("I a")
def do_simultaneous_update(self):
"""Apply update in simultaneous update mode."""
self._ser_send("I p")
def set_freq(self, ch_no, freq): def set_freq(self, ch_no, freq):
"""Set frequency of one channel.""" """Set frequency of one channel."""
self.set_simultaneous_update(False) self.set_simultaneous_update(False)
@ -154,33 +158,6 @@ class Novatech409B:
cmd = "P{:d} {:d}".format(ch_no, phase_word) cmd = "P{:d} {:d}".format(ch_no, phase_word)
self._ser_send(cmd) self._ser_send(cmd)
def set_freq_all_phase_continuous(self, freq):
"""Set frequency of all channels simultaneously.
Set frequency of all channels simultaneously.
1) all DDSs are set to phase continuous mode
2) all DDSs are simultaneously set to new frequency
Together 1 and 2 ensure phase continuous frequency switching.
"""
self.set_simultaneous_update(True)
self.set_phase_continuous(True)
for i in range(4):
self.set_freq(i, freq)
# send command necessary to update all channels at the same time
self._ser_send("I p")
def set_phase_all(self, phase):
"""Set phase of all channels simultaneously."""
self.set_simultaneous_update(True)
# Note that this only works if the continuous
# phase switching is turned off.
self.set_phase_continuous(False)
for i in range(4):
self.set_phase(i, phase)
# send command necessary to update all channels at the same time
self._ser_send("I p")
def set_gain(self, ch_no, volts): def set_gain(self, ch_no, volts):
"""Set amplitude of one channel.""" """Set amplitude of one channel."""