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24040250f5
nuttx/include
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Jiuzhu Dong 24040250f5 driver/sensor: support multi users to access device 
1.Allow multi users to access the same sensor device simultaneously.
2.Get real state of sensor device by cmd SNIOC_GET_STATE for users.
3.Get update state since last read by poll without timeout for users.
4.Sensor device will be activated when first user open and will close when
  last user closed.
5.When multi users to access device, driver always set the minimum
  sampling interval and latency to the sensor device and allow
  downsampled for users above the minimum sampling interval.
6.The circbuffer will overwrite old data when buffer is full, so if users
  don't read data soon, data will be lost, and the oldest data in circbuffer
  are returned to the users.
7.Always read the last data in the circbuffer as initial value for new
  users when the sensor device has not yet generated new data.
8.when user uses poll, if subscription interval is satisfied, the POLLIN
  events is returned for each users.
9.When new user generate or the state of sensor device changed, the POLLPRI
  will notify to all users.
10.Support multi advertisers to subscribe their own data as loop test.

Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
2022-07-26 10:40:21 +08:00
..
arpa netinet: move the byte ordering convert functions to "netinet/in.h" 2021-06-09 12:04:25 -05:00
cxx include/cxx: Remove all non standard c++ header files 2022-06-16 15:42:45 +03:00
net wireless/ieee802154: Don't set IFF_DOWN in mac802154netdev_register 2022-07-19 11:09:16 +03:00
netinet Use builtins for byteswapping 2022-06-29 11:32:59 +08:00
netpacket netpacket/sockaddr_ll: complete the members of sockaddr_ll 2022-06-03 13:04:09 +08:00
nuttx driver/sensor: support multi users to access device 2022-07-26 10:40:21 +08:00
ssp add ssp.h 2022-01-29 01:04:23 +08:00
sys fs/ioctl: add BLKSSZGET cmd to get block sector size 2022-07-22 09:07:57 +03:00
.gitignore
aio.h Change dpends on SCHED_[L|H]PWORK to SCHED_WORKQUEUE 2022-05-28 18:41:51 +03:00
alloca.h include: Author: Gregory Nutt: update licenses to Apache 2.0 2021-02-04 03:33:58 -08:00
assert.h assert: static_assert is not support in c standard C89,C99. 2022-04-21 23:11:21 +08:00
byteswap.h byteswap.h: add byteswap.h header file 2021-08-20 07:47:07 -07:00
crc8.h Increase the function of crc8 to use custom polynomials 2021-07-12 20:33:21 -07:00
crc16.h include: Author: Gregory Nutt: update licenses to Apache 2.0 2021-02-04 03:33:58 -08:00
crc32.h include: Author: Gregory Nutt: update licenses to Apache 2.0 2021-02-04 03:33:58 -08:00
crc64.h include: Omni Hoverboards: update licenses to Apache 2021-09-28 04:37:38 -07:00
ctype.h libc: Implement local_t related functions 2021-07-30 09:43:26 -03:00
debug.h Add printflike and scanflike to all printf/scanf like functions 2022-07-18 14:14:36 +03:00
dirent.h fs: Change off_t and related types to int64_t if long long is supported 2021-08-04 06:48:30 -07:00
dlfcn.h include: Author: Gregory Nutt: update licenses to Apache 2.0 2021-02-04 03:33:58 -08:00
dsp.h libdsp: initialize flux_link in params, remove flux_link from pmsm_phy_params 2022-02-20 21:58:10 +08:00
dspb16.h libdsp: port lib_observer.c to b16 2022-02-20 21:58:10 +08:00
elf32.h elf: add elf define of Note Section 2021-11-23 20:34:56 +09:00
elf64.h elf: add elf define of Note Section 2021-11-23 20:34:56 +09:00
elf.h elf: add elf define of Note Section 2021-11-23 20:34:56 +09:00
endian.h Use builtins for byteswapping 2022-06-29 11:32:59 +08:00
err.h Add printflike and scanflike to all printf/scanf like functions 2022-07-18 14:14:36 +03:00
errno.h errno: use staic errno to replace tl_errno before tls initialization 2021-09-12 11:48:31 +08:00
execinfo.h sched/backtrace: Dump the complete stack regardless the depth 2021-12-29 12:09:54 +08:00
fcntl.h fs: Make the binary(no process) mode as the default 2022-06-07 20:22:26 +03:00
fixedmath.h include: Author: Gregory Nutt: update licenses to Apache 2.0 2021-02-04 03:33:58 -08:00
fnmatch.h libc: Rename match to fnmatch 2021-08-02 08:23:35 -03:00
ftw.h fs: Change off_t and related types to int64_t if long long is supported 2021-08-04 06:48:30 -07:00
getopt.h Implement getopt_long() and getopt_long_only() 2021-04-01 23:06:23 -05:00
glob.h libc/misc: add lib_glob. 2021-09-25 07:54:39 -03:00
grp.h libs/libc: License Clearance 2021-03-02 03:44:06 -08:00
hex2bin.h libc/hex2bin: Handle the line ending(\r, \n and \r\n) dynamically 2021-11-26 11:55:00 -03:00
ifaddrs.h net: Implement getifaddrs and freeifaddrs 2021-12-21 11:01:33 -03:00
inttypes.h fs: Change off_t and related types to int64_t if long long is supported 2021-08-04 06:48:30 -07:00
iso646.h include: Add iso646.h for alternative spellings 2021-03-04 18:32:12 -08:00
langinfo.h libc: Add the empty nl_langinfo implementation 2021-07-31 15:35:47 -03:00
libgen.h include: Author: Gregory Nutt: update licenses to Apache 2.0 2021-02-04 03:33:58 -08:00
libintl.h libc: Implement gettext function 2021-08-03 12:14:07 -03:00
limits.h unistd:rename CONFIG_OPEN_MAX to CONFIG_LIBC_OPEN_MAX 2022-04-01 22:10:51 +08:00
locale.h libc: Reorder LC_XXX as Linux 2021-07-31 15:35:47 -03:00
lzf.h libc/lzfcompress: add lzf compress stream 2021-12-20 08:39:33 -06:00
malloc.h mm: Fixed the usage of CONFIG_MM_BACKTRACE & CONFIG_DEBUG_MM. 2022-07-22 00:53:02 +08:00
mqueue.h include: Author: Gregory Nutt: update licenses to Apache 2.0 2021-02-04 03:33:58 -08:00
netdb.h libc/rexec/rexec_af: support remote execution 2021-09-12 21:14:06 +08:00
nl_types.h libc: Support message catalog function 2021-08-02 08:24:59 -03:00
nxflat.h include: Author: Gregory Nutt: update licenses to Apache 2.0 2021-02-04 03:33:58 -08:00
poll.h
pthread.h Revert "libc: Call pthread_exit in user-space by up_pthread_exit" 2022-02-09 21:21:43 +08:00
pty.h libc: Implement openpty function 2021-05-12 21:08:23 -07:00
pwd.h libc/pwd: Add NSS_BUFLEN_PASSWD macro 2021-05-11 16:40:33 +01:00
queue.h include: Author: Gregory Nutt: update licenses to Apache 2.0 2021-02-04 03:33:58 -08:00
resolv.h Add dn resolution function 2022-03-17 09:37:15 +02:00
sched.h sched/backtrace: Dump the complete stack regardless the depth 2021-12-29 12:09:54 +08:00
semaphore.h semphore: release all semphores' holder that the task held when exit 2022-02-13 03:20:51 +08:00
signal.h signal: add define of SIGHUP/SIGTTIN 2022-06-03 12:50:14 +08:00
spawn.h libc: Implement execvp, execlp and execvpe as macro 2022-04-22 10:40:31 +03:00
stdbool.h libc: Remove C99_BOOL8 from libs/libxx/Kconfig 2022-05-05 16:23:32 -03:00
stddef.h stddef: Let offset be defined from toolchain 2021-08-27 08:55:45 -07:00
stdint.h include/wchar.h: Remove NULL macro from it 2022-06-03 22:25:49 +03:00
stdio.h include/stdio:add setlinebuf marco 2021-11-29 11:18:36 -06:00
stdlib.h environ: Don't expose get_environ_ptr in csdlib 2022-04-21 22:55:47 +03:00
stdnoreturn.h include: Author: Gregory Nutt: update licenses to Apache 2.0 2021-02-04 03:33:58 -08:00
string.h libs/libc/string: add memmem 2022-07-22 19:04:11 +03:00
strings.h Remove the unneeded void cast 2022-04-17 23:32:05 +03:00
syscall.h arch: Remove SYS_RESERVED from Kconfg 2022-02-27 22:54:13 +08:00
syslog.h include/debug.h/syslog.h: Fix small typos and repeated words 2021-03-22 06:06:44 -07:00
termios.h libc: Implement terminal api regardless of CONFIG_SERIAL_TERMIOS setting 2021-12-29 08:11:08 -03:00
threads.h include/threads: Fix pthread_mutexattr_t initialization on mtx_init 2021-08-31 11:21:22 +08:00
time.h libc/time: rearrange itimerspec struct elements 2022-06-03 13:04:25 +08:00
unistd.h libc: Implement execvp, execlp and execvpe as macro 2022-04-22 10:40:31 +03:00
utime.h libc: Implement utime on top of utimes 2021-07-09 15:51:28 -03:00
uuid.h
wchar.h arch: Define WCHAR_[MIN|MAX] in arch/include/limits.h 2022-06-03 22:25:49 +03:00
wctype.h libc: Implement local_t related functions 2021-07-30 09:43:26 -03:00