Hi Vvi,
You can create trading signals using HeiKen Ashi, Please refer this Amibroker afl.
http://algobase.neotradeanalytics.com/base-camp/heiken-ashi-candlestick/
Regards
Vivith
(Authorized realtime datavendor of NSE/BSE Supporting data feeds to Amibroker/Metastock/Ninjatrader and custom programming languages)