Mirrors_Framework/nuttx
1
0
Fork 0
mirror of https://github.com/apache/nuttx.git synced 2026-06-08 01:42:58 +08:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

driver/sensor: support access remote sensor by rpmsg

Browse Source 
Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
This commit is contained in:
Jiuzhu Dong
2022-04-08 22:46:29 +08:00
committed by Xiang Xiao
parent 1cc7f6e63a
commit c5f87bb5c6
5 changed files with 1389 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/nuttx/sensors/sensor.h
+59 -3
View File
@@ -857,6 +857,11 @@ struct sensor_ops_s
* Sensor driver.
*/
typedef CODE ssize_t (*sensor_push_event_t)(FAR void *priv,
FAR const void *data,
size_t bytes);
typedef CODE void (*sensor_notify_event_t)(FAR void *priv);
struct sensor_lowerhalf_s
{
/* The type of sensor device */
@@ -908,8 +913,7 @@ struct sensor_lowerhalf_s
* A negated errno value is returned on any failure.
**********************************************************************/
CODE ssize_t (*push_event)(FAR void *priv, FAR const void *data,
size_t bytes);
sensor_push_event_t push_event;
/**********************************************************************
* Name: notify_event
@@ -925,7 +929,7 @@ struct sensor_lowerhalf_s
* priv - Upper half driver handle
**********************************************************************/
CODE void (*notify_event)(FAR void *priv);
sensor_notify_event_t notify_event;
};
/* The private opaque pointer to be passed to upper-layer during callback */
@@ -1084,6 +1088,58 @@ void sensor_custom_unregister(FAR struct sensor_lowerhalf_s *dev,
int usensor_initialize(void);
#endif
/****************************************************************************
* Name: sensor_rpmsg_register
*
* Description:
* This function registers rpmsg takeover for the real lower half, and
* initialize rpmsg resource.
*
* Input Parameters:
* lower - The instance of lower half sensor driver.
* path - The path of character node, ex: /dev/sensor/xxx.
*
* Returned Value:
* The takeover rpmsg lowerhalf returned on success, NULL on failure.
****************************************************************************/
#ifdef CONFIG_SENSORS_RPMSG
FAR struct sensor_lowerhalf_s *sensor_rpmsg_register(
FAR struct sensor_lowerhalf_s *lower,
FAR const char *path);
#endif
/****************************************************************************
* Name: sensor_rpmsg_unregister
*
* Description:
* This function unregisters rpmsg takeover for the real lower half, and
* release rpmsg resource. This API corresponds to the
* sensor_rpmsg_register.
*
* Input Parameters:
* lower - The instance of lower half sensor driver.
****************************************************************************/
#ifdef CONFIG_SENSORS_RPMSG
void sensor_rpmsg_unregister(FAR struct sensor_lowerhalf_s *lower);
#endif
/****************************************************************************
* Name: sensor_rpmsg_initialize
*
* Description:
* This function initializes the context of sensor rpmsg, registers
* rpmsg callback and prepares enviroment to intercat with remote sensor.
*
* Returned Value:
* OK on success; A negated errno value is returned on any failure.
****************************************************************************/
#ifdef CONFIG_SENSORS_RPMSG
int sensor_rpmsg_initialize(void);
#endif
#undef EXTERN
#if defined(__cplusplus)
}