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spi: fix frequency_to_div()

This commit is contained in:
Robert Jördens 2016-03-09 12:32:31 +01:00
parent 522ec60f6e
commit 0bd9add95e
1 changed files with 2 additions and 2 deletions
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4
artiq/coredevice/spi.py
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@ -1,5 +1,5 @@
from artiq.language.core import (kernel, portable, seconds_to_mu, now_mu, from artiq.language.core import (kernel, portable, seconds_to_mu, now_mu,
delay_mu, int) delay_mu, int, mu_to_seconds)
from artiq.language.units import MHz from artiq.language.units import MHz
from artiq.coredevice.rtio import rtio_output, rtio_input_data from artiq.coredevice.rtio import rtio_output, rtio_input_data
@ -58,7 +58,7 @@ class SPIMaster:
@portable @portable
def frequency_to_div(self, f): def frequency_to_div(self, f):
return int(1/(f*self.ref_period)) + 1 return int(1/(f*mu_to_seconds(self.ref_period_mu))) + 1
@kernel @kernel
def set_config(self, flags=0, write_freq=20*MHz, read_freq=20*MHz): def set_config(self, flags=0, write_freq=20*MHz, read_freq=20*MHz):