add dma-based edge-counting code

Change-Id: I4414b716357effcfbcabdec2a1a19b57d1f344e6
4 files changed
tree: 3c0899c6262c610eedd380f512a0cd4540b73666
  1. aos/
  2. doc/
  3. frc971/
  4. output/
  5. vision/
  6. .clang-format
  7. .gitignore
  8. README.txt