This example directly touches the GPIO registers that drive the LEDs on the SoC development board. No drivers, just mmap() into /dev/mem to gain access to the raw hardware registers. To build and use this example you'll need the SoC EDS tools, ACDS tools, and an SoC development board with the GHRD programmed into the FPGA. There's a documentation.txt document in the project archive that describes how to configure the build environment to build the example off hte command line using the linaro compiler in the SoC EDS tool chain.

• led_blink.tgz