<s>
Huawei	O
LiteOS	B-Operating_System
was	O
a	O
lightweight	O
real-time	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
(	O
RTOS	B-Operating_System
)	O
developed	O
by	O
Huawei	O
.	O
</s>
<s>
It	O
is	O
an	O
open	B-Application
source	I-Application
,	O
POSIX	O
compliant	O
operating	O
system	O
for	O
Internet	B-Operating_System
of	I-Operating_System
things	I-Operating_System
(	O
IoT	B-Operating_System
)	O
devices	O
,	O
released	O
under	O
a	O
three-clause	O
BSD	B-Operating_System
license	I-Operating_System
.	O
</s>
<s>
Microcontrollers	B-Architecture
of	O
different	O
architectures	O
such	O
as	O
ARM	O
(	O
M0/3/4/7	O
,	O
A7/17/53	O
,	O
ARM9/11	O
)	O
,	O
x86	O
,	O
and	O
RISC-V	O
are	O
supported	O
by	O
the	O
project	O
.	O
</s>
<s>
Huawei	O
LiteOS	B-Operating_System
is	O
part	O
of	O
Huawei	O
's	O
'	O
1+8+N	O
 '	O
Internet	B-Operating_System
of	I-Operating_System
Things	I-Operating_System
solution	O
,	O
and	O
has	O
been	O
featured	O
in	O
a	O
number	O
of	O
open	B-Application
source	I-Application
development	B-Application
kits	I-Application
and	O
industry	O
offerings	O
.	O
</s>
<s>
Smartwatches	B-Application
by	O
Huawei	O
and	O
its	O
former	O
Honor	O
brand	O
run	O
LiteOS	B-Operating_System
.	O
</s>
<s>
LiteOS	B-Operating_System
has	O
since	O
been	O
incorporated	O
into	O
the	O
IoT-oriented	O
HarmonyOS	B-Operating_System
with	O
open	B-Application
source	I-Application
OpenHarmony	B-Device
.	O
</s>
<s>
On	O
20	O
May	O
2015	O
,	O
at	O
the	O
Huawei	O
Network	O
Conference	O
,	O
Huawei	O
proposed	O
the	O
'	O
1+2+1	O
 '	O
Internet	B-Operating_System
of	I-Operating_System
Things	I-Operating_System
solution	O
and	O
release	O
the	O
IoT	B-Operating_System
operating	O
system	O
named	O
Huawei	O
LiteOS	B-Operating_System
.	O
</s>
