Texas Instruments DM6467, User Manual

Page: 34 / 78

Sample Usage
3-8
‰ related calls (
SEM_pend, SEM_post
) are also
‰ ndependent
the codec
OS/System
performed outside the codec
Codec implementation is OS i
T are:
This is the top-level f ful when
e, void
*hdvicpHandle, void (*ISRfunctionptr)(IALG_Handle
This function is called by m to register its ISR function, which the application needs to
dle)
This function is calle pend state.
This function is calle M-pend state.
in
nt it in
he functions to be implemented by applications
1)
HDVICP_initHandle(void *hdvicpHandle)
unction, which initializes hdvicp handle that will be use
HDVICP_Wait
and
HDVICP_Done
functions are called by algorithm.
2)
HDVICP_configure(IALG_Handle handl
handle)
)
the algorith
call when it receives interrupts pertaining to the video task.
3)
HDVICP_wait (void *hdvicpHan
d by the algorithm to put the video task in SEM-
4)
HDVICP_done (void *hdvicpHandle)
d by algorithm to release the video task from SE
In the sample test application, these functions are implemented
hdvicp_framework.c file using polling. The application can impleme
its own way considering the underlying system.