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feature: sensor: add set calibration interface for sensor driver.

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Add standard sensor interface for setting calibartiion value.

Signed-off-by: songnannan <songnannan@xiaomi.com>
This commit is contained in:
songnannan 2021-11-09 20:37:27 +08:00 committed by Abdelatif Guettouche
parent bdc157f443
commit 550d2bff32
3 changed files with 42 additions and 0 deletions
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12
drivers/sensors/sensor.c
View File

@ -445,6 +445,18 @@ static int sensor_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
}
break;
case SNIOC_SET_CALIBVALUE:
{
if (lower->ops->set_calibvalue == NULL)
{
ret = -ENOTSUP;
break;
}
ret = lower->ops->set_calibvalue(lower, arg);
}
break;
case SNIOC_GET_NEVENTBUF:
{
*val = lower->buffer_number + lower->batch_number;

10
include/nuttx/sensors/ioctl.h
View File

@ -297,4 +297,14 @@
#define SNIOC_SELFTEST _SNIOC(0x0086)
/* Command: SNIOC_SET_CALIBVALUE
* Description: Set calibration value for sensor.
* Argument: Calibration value for the sensor.
* Note: If setting calibvalue failed, a negated errno value is
* returned, otherwise, OK is returned.
* This cmd is handled by sensor_ops_s::set_calibvalue.
*/
#define SNIOC_SET_CALIBVALUE _SNIOC(0x0087)
#endif /* __INCLUDE_NUTTX_SENSORS_IOCTL_H */

20
include/nuttx/sensors/sensor.h
View File

@ -678,6 +678,26 @@ struct sensor_ops_s
CODE int (*selftest)(FAR struct sensor_lowerhalf_s *lower,
unsigned long arg);
/**************************************************************************
* Name: set_calibvalue
*
* The calibration value to be written in or the non-volatile memory of the
* sensor or dedicated registers. At each power-on, so that the values read
* from the sensor are already corrected. When the device is calibrated,
* the absolute accuracy will be better than before.
*
* Input Parameters:
* lower - The instance of lower half sensor driver.
* arg - The parameters associated with calibration value.
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
**************************************************************************/
CODE int (*set_calibvalue)(FAR struct sensor_lowerhalf_s *lower,
unsigned long arg);
/**************************************************************************
* Name: control
*