OK, your hi253 driver seems to intialize and drive correctly the i2c and
the // data bus.
Can you show me your hi253 HAL code? Do you have it?
Le 16/09/2014 05:07, Việt Hoàng a écrit :
<https://lh3.googleusercontent.com/-wyyLIhgNriU/VBel5J7DGlI/AAAAAAAAAFs/UOuw9H1deCU/s1600/cameraConnecttor.jpg>
Thanks for your reply!
1. Here this connector I used. Hi253 Camera connect with DM3730 AP
Module through I2C Bus and Parallel Interface (CAM D2,...,CAM D9) as
above image.
2. Here Source code Hi253 Driver that I use:
https://github.com/allwinner-ics/lichee_linux-3.0/blob/master/drivers/media/video/sun4i_csi/device/hi253.c
Have you give me any advise?
Vào 10:00:55 UTC+7 Thứ hai, ngày 15 tháng chín năm 2014, chinda
keodouangsy đã viết:
That's lead to the question I've asked before, as there are some
Hardware dependencies:
- *** How do you connect the hi253 camera to your board?
Check the vendor document to know on which bus (USB,
PCI or i2c) the hi253 used to connect to the system.
Normally the hi253 code should help you to identify the
bus used to connect to the system.
What is for sure is that the mt9v113 does use i2c bus to connect
to the system (e.g. your board).
Le 12/09/2014 09:50, Việt Hoàng a écrit :
I have checked existing HAL camera on Link that I posted. But on
file: V4L2camera.cpp only support 3 sensor camera: mt9v113,
mt9t111, tvp514x.
1 - On hi253 driver, it register with v4l2 interface with funtion:
- v4l2_int_device_register(&hi253_int_device);
2 - On mt9v113 driver, it register with v4l2 inter with 2 functions:
- /*
* Register as a subdev
*/
v4l2_i2c_subdev_init(&mt9v113->subdev, client, &mt9v113_ops);
mt9v113->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
/*
* Register as media entity
*/
mt9v113->pad.flags = MEDIA_PAD_FLAG_OUTPUT;
ret = media_entity_init(&mt9v113->subdev.entity, 1,
&mt9v113->pad, 0); f
I don't understand about this different. I am stucking here. Can
you show me a solution?
Vào 23:35:40 UTC+7 Thứ ba, ngày 09 tháng chín năm 2014, ckkeo đã
viết:
I just answered your other thread!
Did you have any camera comes with your board today?
Check and locate your existing HAL camera source code. (i.e.
Did you see any camera folder within the
<panther-bsp>/hardware folder ?)
Sure that it's better if you can get the HAL code from the
vendor. (make sure that the HAL can drive the V4L2 driver).
Chinda
Le 09/09/2014 11:04, Việt Hoàng a écrit :
Thank you verry much!
I am clearly steps in integrate process.
I was success re-build kernel that add hi-253 driver. But i
don't understand about:
1 - Is Hi-253 driver compatibility with HAL camera at
patch:
http://processors.wiki.ti.com/images/6/6c/0001-HAL-camera-support-added-for-beagleboard.patch.gz
<http://processors.wiki.ti.com/images/6/6c/0001-HAL-camera-support-added-for-beagleboard.patch.gz>
or i have to contact with vendors for HAL camera?
Thank you!
Regards,
VietHQ
Do your best, the rest you come!
Vào 04:04:40 UTC+7 Thứ ba, ngày 09 tháng chín năm 2014,
ckkeo đã viết:
In clear you have to do these below steps:
-------------------------
The kernel part
------------------------
1 - Integrate the hi253 device driver into your Panther
board kernel
a - Add the driver source code to your kernel
b - Configure OMAP to recognize your hi253 camera
c - Enable the Camera Module to your kernel config
The patch for these steps have been provided in the
TI's porting guide at this link :
http://processors.wiki.ti.com/images/a/aa/0001-camera-sensor-support-mt9v113-for-beagleboard.patch.gz
<http://processors.wiki.ti.com/images/a/aa/0001-camera-sensor-support-mt9v113-for-beagleboard.patch.gz>
All you have to do is apply the patch to your kernel.
2 - Re-build your kernel
You can refer to this link for How to build the
kernel :
http://processors.wiki.ti.com/index.php/TI-Android-FroYo-DevKit-V2_UserGuide#Kernel
<http://processors.wiki.ti.com/index.php/TI-Android-FroYo-DevKit-V2_UserGuide#Kernel>
----------------------
android part
---------------------
3 - Add the Camera HAL interface to your android plateform
Per TI's porting Guide, the patch is here :
http://processors.wiki.ti.com/images/6/6c/0001-HAL-camera-support-added-for-beagleboard.patch.gz
<http://processors.wiki.ti.com/images/6/6c/0001-HAL-camera-support-added-for-beagleboard.patch.gz>
Also per TI's porting guide for Froyo release the patch
should be applied at
<ANDROID_ROOT>/hardware/ti/omap3/camera, to check on
your android plateform development source code the V4L2
part.
4 - Re-build the android system and give a try
Hope this clarified a little bit for you.
Chinda
Le 08/09/2014 08:57, Việt Hoàng a écrit :
i was stuck there. But i can'n find who help me.
haizzzz. So sad.
Vào 17:15:55 UTC+7 Thứ hai, ngày 23 tháng sáu năm 2014,
Hao Nguyen đã viết:
I am working on panther board and i want to use
hi253 camera module in my board. I've read porting
guide on
http://processors.wiki.ti.com/index.php/TI-Android-DevKit-Camera_Porting_Guide
<http://processors.wiki.ti.com/index.php/TI-Android-DevKit-Camera_Porting_Guide>
but i didn't still understand. Can anyone give me
some infomation relate to my problems? I have
recenty worked on embedded kit so i don't have much
knowledge about it. Thanks for reading!!
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