diff options
Diffstat (limited to 'src/drivers/ms5611')
| -rw-r--r-- | src/drivers/ms5611/ms5611.cpp | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/src/drivers/ms5611/ms5611.cpp b/src/drivers/ms5611/ms5611.cpp index 452416035..122cf0cec 100644 --- a/src/drivers/ms5611/ms5611.cpp +++ b/src/drivers/ms5611/ms5611.cpp @@ -336,8 +336,9 @@ MS5611::ioctl(struct file *filp, int cmd, unsigned long arg) /* do we need to start internal polling? */ bool want_start = (_call_baro_interval == 0); - /* set interval for next measurement to minimum legal value */ - _baro_call.period = _call_baro_interval = USEC2TICK(MS5611_CONVERSION_INTERVAL); + /* set interval to minimum legal value */ + _baro_call.period = _call_baro_interval = MS5611_CONVERSION_INTERVAL; + /* if we need to start the poll state machine, do it */ if (want_start) @@ -351,15 +352,12 @@ MS5611::ioctl(struct file *filp, int cmd, unsigned long arg) /* do we need to start internal polling? */ bool want_start = (_call_baro_interval == 0); - /* convert hz to tick interval via microseconds */ - unsigned ticks = USEC2TICK(1000000 / arg); - /* check against maximum rate */ - if (ticks < USEC2TICK(MS5611_CONVERSION_INTERVAL)) + if (1000000/arg < MS5611_CONVERSION_INTERVAL) return -EINVAL; - /* update interval for next measurement */ - _baro_call.period = _call_baro_interval = ticks; + /* update interval */ + _baro_call.period = _call_baro_interval = 1000000/arg; /* if we need to start the poll state machine, do it */ if (want_start) |