Adding README file for accelerator

accelerator/README.md

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+ACCELERATOR
+=======
+
+A simple toy example designed to help get folks up to speed on FPGA and verilog design on the Parallella platform. This is an unoptimized "hello world" type AXI slave design. Optimization is left as an exercise to the reader.
+
+## Build Instructions (on your regular machine)
+
+```sh
+git clone https://github.com/parallella/oh     # clone repo
+cd accelerator/dv
+./build.sh                                     # build
+./run.sh tests/hello.emf                       # load data
+gtkwave waveform.vcd                           # view waveform
+emacs ../hdl/accelerator.v                     # "put code here"
+cd ../fpga
+./build.sh                                     # build bitstream
+sudo cp parallella.bit.bin /media/$user/boot   # burn bitstream onto SD card on laptop/desktop
+sync                                           # sync and insert SD card in parallella
+```
+
+## Testing Instructions (on Parallella)
+```sh
+git clone https://github.com/parallella/oh    # clone repo
+cd accelerator/sw             
+emacs test.c                                  # change numbers to test
+gcc driver.c test.c -o hello.elf              # compile for ARM
+./hello.elf                                   # run program
+```
+
+
+
+
+