This directory contains tools and data related to ECC (Emergency Call Codes) data and updates.

Directory structure

gen_eccdata.sh

• A script to launch the newest conversion toolset to convert input/eccdata.txt into output/eccdata, and invoke compatibility verification tools of earlier versions of toolsets.

input/eccdata.txt

• A text file in ProtoBuf text format which contains all known ECC data. This file shall be compatible with the last version of format toolset, but may not be compatible with all earlier versions.

output/eccdata

• The binary file generated from input files, with the last version of format toolset. This file shall be compatible with all earlier versions.

conversion_toolset_v*

• Contains format definitions, converting tools and verification tools of one version of ECC data format.

proto

• A symbolic link references to protobuf folder of the newest version of conversion toolsets. It's used in Android.mk.

Conversion Toolset

Every version of conversion toolset shall include at least:

• A script to generate eccdata from a known version of input/eccdata.txt.
• A script to verify compatibility of output/eccdata generated by any newer version of format toolset.

The output/eccdata generated by a version of conversion toolset shall be able to pass compatibility verifications of all previous versions of format toolset.

Updating ECC database

Steps to update the ECC database:

1. Edit input/eccdata.txt
2. Source and launch
3. Run gen_eccdata.sh The database file “output/eccdata” should be updated.