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Image Pipe Daemon and AutoWhite Balance and Autoexposure on DM36x

We have been working on an autoexposure (AE) and autowhite balance (AWB) support for Davinci™ DM36x family of processors using the hardware support offered by the image pipe (IPIPE). Some sensors (like the MP9P031 5MP sensor) lack AE/AWB on chip, so you need to implement it by yourself. TI's Davinci and OMAP™ SoCs families have support for hardware accelerated AE/AWB through the IPIPE, and the PSP ker

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Linux application using GPIO interrupt input

Using the GPIO sub-system in Linux, you can write a Linux application that blocks execution until an interrupt occurs on the GPIO signal being monitored. This is done by configure the GPIO signal edge you want to monitor, then using poll() to wait for that edge to be detected. I used this approach to create a simple user space driver for interacting with an external PIC. When the PIC detects a change,

Read more: Linux application using GPIO interrupt input

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RidgeRun, LLC
340 S. Lemon Ave
PMB #6030
Walnut, CA 91789

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In addition to providing integrated and tested Linux board support packages, RidgeRun also offers an array of engineering services. 

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