jobitjoseph/ovc3860

arduino library for bluetooth a2dp module based on OVC3860 chip from OmniVision technologies

Arduino library for OVC3860 based modules

This directory contain all files needed to support A2DP bluetooth module based on OmniVision chip OVC3860.

OVC3860 have AT command control support, supported commands are descriped here and here (some did not work on my modules...).

All documents I have regarding modules based on OVC3860 chips are in this repository: here, please check it out before asking question, if answare is not there it's more than likly that I do not know it also.

how to connect module

directly to computer

this is for testing if your module has serial interface enabled:

OVC3860	computer(USB2serial for example)
RX	TX
TX	RX
GND	GND
VBAT	via diode to 5V

arduino using software serial (UNO, nano..)

OVC3860	computer (USB2serial for example)
RX	7 (1st parameter of SoftwareSerial in example)
TX	6 (2nd parameter of SoftwareSerial in example)
RESET	5 (defined as resetBTpin in example)
GND	GND
VBAT	via diode to 5V

arduino using harware serial (mega ..)

OVC3860	computer(USB2serial for example)
RX	TX1 (if using Serial1)
TX	RX1 (if using Serial1)
RESET	5 (defined as resetBTpin in example)
GND	GND
VBAT	via diode to 5V

how to use it

Information about using libraries on arduino site

Copy content of this repository directory or just this two files OVC3860.cpp and OVC3860.h to ~/Arduino/libraries/OVC3860/ directory (if did not exist, create one). Open new project in arduino and use this code, or check code in examples directory examples/OVC3860/OVC3860.ino:

#include "OVC3860.h"
#include <SoftwareSerial.h> //if using SW, with HW no need for this

#define resetBTPin 5
 
SoftwareSerial swSerial(7, 6); //rxPin, txPin

OVC3860 BT(&swSerial, resetBTPin); //in case of HW serial use for example: (&Serial1)

void(){
  BT.begin(); //or BT.begin(9600); for specific baudrate
}

void loop(){
//should be call periodically, to get notifications from module, for example if someone calling...
BT.getNextEventFromBT();
}

for more examples look ate examples/OVC3860/OVC3860.ino

Do not forget: getNextEventFromBT function must be called periodicaly, it's run from other function in library to catch responce to commands send to module, but to catch mesages from module which are not expected (incomming call for example) this must be fired periodicaly.

supported functions

wiki page about supported functions

how shoud main code act based on module state

library set variables which can be checked, compared etc, and based on these main code should react, here is a page on wiki talking about it.