sergiotarxz/nuttx
sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

input/touchscreen: added time stamp for touchscreen event

Browse Source 
added time stamp for touchscreen event

Signed-off-by: futerigele <futerigele@xiaomi.com>
This commit is contained in:
futerigele 2021-11-08 17:32:16 +08:00 committed by Xiang Xiao
parent 0e002af323
commit 17b67093cb
1 changed files with 25 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
include/nuttx/input/touchscreen.h
View File

@ -38,6 +38,7 @@
#include <nuttx/fs/ioctl.h>
#include <nuttx/mm/circbuf.h>
#include <nuttx/semaphore.h>
#include <time.h>
#ifdef CONFIG_INPUT
@ -105,13 +106,14 @@
struct touch_point_s
{
uint8_t id; /* Unique identifies contact; Same in all reports for the contact */
uint8_t flags; /* See TOUCH_* definitions above */
int16_t x; /* X coordinate of the touch point (uncalibrated) */
int16_t y; /* Y coordinate of the touch point (uncalibrated) */
int16_t h; /* Height of touch point (uncalibrated) */
int16_t w; /* Width of touch point (uncalibrated) */
uint16_t pressure; /* Touch pressure */
uint8_t id; /* Unique identifies contact; Same in all reports for the contact */
uint8_t flags; /* See TOUCH_* definitions above */
int16_t x; /* X coordinate of the touch point (uncalibrated) */
int16_t y; /* Y coordinate of the touch point (uncalibrated) */
int16_t h; /* Height of touch point (uncalibrated) */
int16_t w; /* Width of touch point (uncalibrated) */
uint16_t pressure; /* Touch pressure */
uint64_t timestamp; /* Touch event time stamp, in microseconds */
};
/* The typical touchscreen driver is a read-only, input character device
@ -164,6 +166,22 @@ struct touch_lowerhalf_s
int cmd, unsigned long arg);
};
/****************************************************************************
* Inline Functions
****************************************************************************/
static inline uint64_t touch_get_time(void)
{
struct timespec ts;
#ifdef CONFIG_CLOCK_MONOTONIC
clock_gettime(CLOCK_MONOTONIC, &ts);
#else
clock_gettime(CLOCK_REALTIME, &ts);
#endif
return 1000000ull * ts.tv_sec + ts.tv_nsec / 1000;
}
/****************************************************************************
* Public Function Prototypes
****************************************************************************/