Ingeniero

EasyVR
User Manual
Release 2.3

www.veear.eu

www.veear.eu

Table of Contents
Product Description ........................................................................................................................................ 3
EasyVR features............................................................................................................................................ 3
Technical specifications ................................................................................................................................. 4
Physical dimensions and pin assignment ...................................................................................................... 4
Recommended Operating Conditions............................................................................................................ 5
Electrical Characteristics ................................................................................................................................ 5
Power Supply Requirements......................................................................................................................... 5
Serial Interface ............................................................................................................................................... 5
Microphone .................................................................................................................................................... 6
Audio Output.................................................................................................................................................. 7
General Purpose I/O ...................................................................................................................................... 7
Use a pin as an output............................................................................................................................... 7
Use a pin as an input ................................................................................................................................. 8
Flash Update .................................................................................................................................................. 9
Communication Protocol.............................................................................................................................. 10
Basics ........................................................................................................................................................... 10
Arguments Mapping..................................................................................................................................... 11
ARG_MIN................................................................................................................................................. 11
ARG_MAX ............................................................................................................................................... 11
ARG_ZERO............................................................................................................................................. 11
ARG_ACK ................................................................................................................................................ 11
Command Details......................................................................................................................................... 12
CMD_BREAK .......................................................................................................................................... 12
CMD_SLEEP ........................................................................................................................................... 12...