On Wed, 27 Jul 2011, James wrote: > On Wed, Jul 27, 2011 at 3:40 AM, Sakari Ailus <sakari.ailus@xxxxxx> wrote: > > On Mon, Jul 25, 2011 at 04:43:21PM +0800, James wrote: > >> Dear all, > >> > >> Does anyone came across a v4l2 Linux Device Driver for an Image Sensor > >> that uses Parallel CMOS H/V and can only be control by UART interface > >> instead of the common I2C or SPI interface? > >> > >> A similar sensor is the STMicroelectronics VL5510 Image Sensor > >> although it support all 3 types of control interface. > >> (http://www.st.com/internet/automotive/product/178477.jsp) > >> > >> Most or all the drivers found I found under drivers/media/video uses > >> the I2C or SPI interface instead > >> > >> I'm new to writing driver and need a reference v4l2 driver for this > >> type of image sensor to work with OMAP3530 ISP port on Gumstix's Overo > >> board. > >> > >> I just need a very simple v4l2 driver that can extract the image from > >> the sensor and control over it via the UART control interface. > >> > >> Any help is very much appreciated. > > > > Hi James, > > > > I think there has been a recent discussion on a similar topic under the > > subject "RE: FW: OMAP 3 ISP". The way to do this would be to implement > > platform subdevs in V4L2 core, which I think we don't have quite yet. > > > > Cc Laurent and Michael. > > > > -- > > Sakari Ailus > > sakari.ailus@xxxxxx > > > > Hi Sakari, > > Thanks for pointing me to the discussion thread. > > I found it from the archive at > http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/32700/focus=32721 > > I read through the threads and see that I'm indeed in similar > situation with Alex. > > We both have sensor that output CMOS H/V image and only have > UART/RS232 for control of the sensor operations via sending/reading > packet of bytes. i.e. AGC, contrast, brightness etc.. > > Since the thread ended on 29-Jun, is there anymore update or information? Probably obvious, but just to have it mentioned in this thread, such UART driver should certainly be implemented as a line discipline. Thanks Guennadi > > As I've a MT9V032 camera with Gusmtix Overo, I was hoping to rely on > the MT9V032 driver as a starting point and adapt it for the VL5510 > sensor using only the UART interface. > > Thanks in adv. > > -- > Regards, > James > -- > To unsubscribe from this list: send the line "unsubscribe linux-media" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > --- Guennadi Liakhovetski, Ph.D. Freelance Open-Source Software Developer http://www.open-technology.de/ -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
