Data Sheet

9/25/2015 GroveGesturev1.0Wiki
http://www.seeedstudio.com/wiki/Grove__Gesture_v1.0 7/10
voidsetup()
{
paj7620Init();
}
Thisinitializationcodeshouldbeaddedtoeachdemo.
2.ReaddatafromPAJ7620registerviaI2C
paj7620ReadReg(uint8_taddr,uint8_tqty,uint8_tdata[])
addr:Registeraddress
qty:Numberofdatatoread,addrcontinuouslyincrease.
data[]:Thestartingaddress(avariableorarray)tostoredata.
voidloop()
{
 uint8_tdata=0;//ReadBank_0_Reg_0x43/0x44forgestureresult.

 paj7620ReadReg(0x43,1,&data);//Whendifferentgesturesbedetected,thevariable'data'willbesettodifferentvaluesbypaj7620ReadReg(0x43,1,&data).

 if(data==GES_UP_FLAG)       //Whenupgesturebedetected,thevariable'data'willbesettoGES_UP_FLAG.
  digitalWrite(4,HIGH);    //turntheLEDon(HIGHisthevoltagelevel)
 if(data==GES_DOWN_FLAG)      //Whendowngesturebedetected,thevariable'data'willbesettoGES_DOWN_FLAG.
digitalWrite(4,LOW);     //turntheLEDoffbymakingthevoltageLOW
}
Wedefinesomeregisterdataofgesture,refertothefollowingtable.
Gesture RegisterData
Register
Address
IfYes IfNot
Up data==GES_UP_FLAG
0x43
Gesture
detected
Nogesture
detected
Down data==GES_DOWN_FLAG
Left data==GES_LEFT_FLAG
Right data==GES_RIGHT_FLAG
Forward data==GES_FORWARD_FLAG
Backward data==GES_BACKWARD_FLAG
Clockwise data==GES_CLOCKWISE_FLAG
Count
Clockwise
data==GES_COUNT_CLOCKWISE_FLAG
Wave data==GES_WAVE_FLAG 0x44