Signed-off-by: Nethan.lcz <ethan.lcz@alibaba-inc.com>

Signed-off-by: Nethan.lcz <ethan.lcz@alibaba-inc.com>

Signed-off-by: Nethan.lcz <ethan.lcz@alibaba-inc.com>

Signed-off-by: Nethan.lcz <ethan.lcz@alibaba-inc.com>

[Detail]
none

[Verified Cases]
Build Pass: <none>
Test Pass: <none>

Signed-off-by: Ncaiyan.cai <caiyan.cai@alibaba-inc.com>

[Detail]
none

[Verified Cases]
Build Pass: <none>
Test Pass: <none>

To prevent potential failure, we need to add return value check.
Signed-off-by: Nyilu.myl <yilu.myl@alibaba-inc.com>

Delete useless code in hardware/board/haaseduk1/startup/startup.c
Signed-off-by: Nyilu.myl <yilu.myl@alibaba-inc.com>

[Detail]
ADC/PWM/flash/watchdog driver development documents.
Improve I2C/SPI driver development documents.

[Verified Cases]
Build Pass: <helloworld_demo@haaseduk1>
Test Pass: <helloworld_demo@haaseduk1>

[Detail]
none

[Verified Cases]
Build Pass: <none>
Test Pass: <none>

[Detail]
Issue description:
Value returned from a function is not checked for errors before being used
calling "aos_sem_new" without checking return value.

Solution:
Add check after calling the function.

[Verified Cases]
Build Pass: eduk1_demo
Test Pass: eduk1_demo
Signed-off-by: Nyilu.myl <yilu.myl@alibaba-inc.com>

[Detail]
Issue description:
In other places, the return value of inet_aton is always checked.  So
the whitescan ask for the same check here.

Solution:
Add check of the return value.

[Verified Cases]
Build Pass: eduk1_demo
Test Pass: eduk1_demo

Change-Id: I3614c162c5ed7a1222c4b1d8ec7f4e1b1bc612c3
Signed-off-by: Nyilu.myl <yilu.myl@alibaba-inc.com>

[Detail]
Issue description:
In components/amp_adapter/platform/aos/peripheral/aos_hal_rtc.c, the
functions all has no return value.

Solution:
Add return value in them.

[Verified Cases]
Build Pass: eduk1_demo
Test Pass: eduk1_dem
Signed-off-by: Nyilu.myl <yilu.myl@alibaba-inc.com>

[Detail]
Issue description:
In components/amp_adapter/platform/aos/peripheral/aos_hal_can.c, one
branch of the function aos_hal_can_recv  has no return value.

Solution:
add return there.

[Verified Cases]
Build Pass: eduk1_demo
Test Pass: eduk1_demo
Signed-off-by: Nyilu.myl <yilu.myl@alibaba-inc.com>

Signed-off-by: Nethan.lcz <ethan.lcz@alibaba-inc.com>

Signed-off-by: Nethan.lcz <ethan.lcz@alibaba-inc.com>

Signed-off-by: Nethan.lcz <ethan.lcz@alibaba-inc.com>

Signed-off-by: Nethan.lcz <ethan.lcz@alibaba-inc.com>

[Detail]
GPIO pin APIs.
New VFS support.
Userspace support.
Output feedback support.

[Verified Cases]
Build Pass: <helloworld_demo@haaseduk1>
Test Pass: <helloworld_demo@haaseduk1>

Signed-off-by: Nwusheng.tws <wusheng.tws@alibaba-inc.com>

Signed-off-by: Nwusheng.tws <wusheng.tws@alibaba-inc.com>

Signed-off-by: Nwusheng.tws <wusheng.tws@alibaba-inc.com>

Signed-off-by: Nwusheng.tws <wusheng.tws@alibaba-inc.com>

Signed-off-by: Nwusheng.tws <wusheng.tws@alibaba-inc.com>

Signed-off-by: Nwusheng.tws <wusheng.tws@alibaba-inc.com>

Signed-off-by: Nwusheng.tws <wusheng.tws@alibaba-inc.com>

[Detail]
Improve flash driver framework.

[Verified Cases]
Build Pass: <helloworld_demo@haaseduk1>
Test Pass: <helloworld_demo@haaseduk1>

[Detail]
fix whitescan bugs in rhino/common.c
CWE676: The called function is unsafe for security related code
"rand" should not be used for security-related applications, because
linear congruential algorithms are too easy to break.

[Verified Cases]
Build Pass: <py_engine_demo>
Test Pass:  <py_engine_demo>
Signed-off-by: NJinliang Li <ljl150821@alibaba-inc.com>

[Detail]
fix whitescan bugs in cli/iobox
CWE476: All paths that lead to this null pointer comparison already
dereference the pointer earlier
CWE404: Leak of memory or pointers to system resources

[Verified Cases]
Build Pass: <py_engine_demo>
Test Pass:  <py_engine_demo>
Signed-off-by: NJinliang Li <ljl150821@alibaba-inc.com>

[Detail]
temp.c: CWE377: Using an insecure temporary file creation function
pthread.c CWE252: Value returned from a function is not checked for
errors before being used

[Verified Cases]
Build Pass: <py_engine_demo>
Test Pass:  <py_engine_demo>
Signed-off-by: NJinliang Li <ljl150821@alibaba-inc.com>