Clone this repo:
  1. 601cfca Add @FunctionalInterface to callbacks. by Yifan Hong · 2 hours ago master
  2. 8e5be7c Merge "Add 'hidl-module-defaults'" by Treehugger Robot · 5 days ago
  3. 6a3cdff Add 'hidl-module-defaults' by Steven Moreland · 6 days ago
  4. 2f9d9fb Merge changes from topic 'fix-hidl-package-warning' by Treehugger Robot · 7 days ago
  5. 5f80963 Error when package statement is missing. by Steven Moreland · 7 days ago

hidl-gen user guide

1. Build

croot
make hidl-gen

2. Run

hidl-gen -o output-path -L language (-r interface-root) fqname

output-path: directory to store the output files.
language: output file for given language. e.g.c++, vts..

fqname: fully qualified name of the input files.
For singe file input, follow the format: package@version::fileName
For directory input, follow the format: package@version

interface-root(optional): prefix and root path for fqname.
If not set, use the default prefix: android.hardware and default root path
defined in $TOP.

examples:

croot
hidl-gen -o output -L c++ -r android.hardware:hardware/interfaces -r android.hidl:system/libhidl/transport android.hardware.nfc@1.0::INfc.hal
hidl-gen -o output -L vts -r android.hardware:hardware/interfaces -r android.hidl:system/libhidl/transport android.hardware.nfc@1.0
hidl-gen -o test -L c++ -r android.hardware:hardware/interfaces -r android.hidl:system/libhidl/transport android.hardware.nfc@1.0