EXTRON MVC121

playskool1 · April 2009

got my volume to ramp up and down but the mute button does not toggle. once it is pushed it mutes but will not unmute.

//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@__PROGRAM_VOL_CONTROL__@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
BUTTON_EVENT[dvTP_202,VolButtons]{
    PUSH:{
	SWITCH(GET_LAST(VolButtons)){
	    CASE 1: SEND_STRING dvMVC,"'+V/v',$0D"
	    CASE 2: SEND_STRING dvMVC,"'-V/v',$0D"
	    CASE 3: SEND_STRING dvMVC,"'3*1!',$0D"
	}
    }
    HOLD[1,REPEAT]:{
	SWITCH(GET_LAST(VolButtons)){
	    CASE 1: SEND_STRING dvMVC,"'+V/v',$0D"
	    CASE 2: SEND_STRING dvMVC,"'-V/v',$0D"
	}
    }
}

playskool1 · April 2009

SEND_STRING dvMVC,"'3*1!',$0D" //1=ON (unmute)

SEND_STRING dvMVC,"'3*0!',$0D" //0=OFF (mute)

SEND_STRING dvMVC,"'3*2!',$0D" //2=mute by contact closure

i know the protocols go like that.

toddt · April 2009

That is becasue you have to create a toggle function, right now you are just turning on the mute, but don't have anything that would unmute it.

You could do it this way.

Define_Variable
nMute

BUTTON_EVENT[dvTP_202,VolButtons]{
PUSH:{
SWITCH(GET_LAST(VolButtons)){
CASE 1: SEND_STRING dvMVC,"'+V/v',$0D"
CASE 2: SEND_STRING dvMVC,"'-V/v',$0D"
CASE 3:
{
IF(Mute = 0)
{
SEND_STRING dvMVC,"'3*1!',$0D"
Mute = 1
}
Else
{
SEND_STRING dvMVC,"'3*0!',$0D"
Mute = 0
}
}
}
HOLD[1,REPEAT]:{
SWITCH(GET_LAST(VolButtons)){
CASE 1: SEND_STRING dvMVC,"'+V/v',$0D"
CASE 2: SEND_STRING dvMVC,"'-V/v',$0D"
}
}
}

Thomas Hayes · April 2009

Example from Extron crosspoint, looks like you need a tracking varible.

BUTTON_EVENT[VTP,203]
{
PUSH:
{
IF(AUD_MUTE=0)
{
SEND_STRING SWT,SWT_AUDIO_MUTE
AUD_MUTE=1
[VTP,203]=AUD_MUTE
SEND_LEVEL VTP, 1, 0
}
ELSE
{
SEND_STRING SWT,SWT_AUDIO_UNMUTE
AUD_MUTE=0
[VTP,203]=AUD_MUTE
SEND_LEVEL VTP , 1, ATOI("MM_SWT")
}
}
}

enelson · April 2009

Yet another approach

Define_Variable
mute

BUTTON_EVENT[dvTP_202,VolButtons]
{
PUSH:
{
SWITCH(GET_LAST(VolButtons))
{
CASE 1: SEND_STRING dvMVC,"'+V/v',$0D"
CASE 2: SEND_STRING dvMVC,"'-V/v',$0D"
CASE 3:
{
mute=!mute // toggle the mute variable
SEND_STRING dvMVC,"'3*',mute,'!',$0D" // build the string with the mute value
}
}
}
HOLD[1,REPEAT]:
{
SWITCH(GET_LAST(VolButtons))
{
CASE 1: SEND_STRING dvMVC,"'+V/v',$0D"
CASE 2: SEND_STRING dvMVC,"'-V/v',$0D"
}
}
}

// in your mainline
[dvtp_202,mute_button number]=(mute=1)

EXTRON MVC121

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