Implementing SPI on an OMAP-based board design

Once the OMAP-based PandaBoard became available to developers as the first open mobile development platform included by Android Open Source Platform (AOSP), the enthusiastic open source community started building exciting projects on the platform, and asking questions about extending the platform’s capabilities beyond traditional means.

While experience levels of developers working with the PandaBoard vary – from seekers of programming advice to advanced designers choosing an interface to connect to – their mission is always the same: create a compelling open-source product or application, and share knowledge with the PandaBoard community.

In that vein, this how-to article outlines the Serial Programming Interface available through the PandaBoard’s expansion connector, and as an illustration explains how to use it to connect to a real-time clock (RTC) chip.

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