[collected] Interface with GPIO and/ rs232 or spi

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[collected] Interface with GPIO and/ rs232 or spi

Postby Glop109 » Sat Dec 06 2014 18:10

Hello
To interface Volumio on Raspberry pi in a DAC who controled by a controler (LCD + buttons on it, on the existing matérial), we must establish a communication with the 2 controlers together if we want interface Volumio rasberry Pi with other controller : to create for exemple the absolue Network player :).

It would be great to create a communication with the serial port (RS232) or SPI port for the information on the played track (for exemple, to use on the screen on the other controller).

It would be great to use GPIO to connect for exemple an input to control the shutdown of the raspbery pi or to wake up it.

It will be great too to choose GPIO inputs via interface to enable controle actions like : the next / Back track, pause, play and other simples actions, driver by other controler or by buttons directly.

One GPIO (output) could be enable when a track begin for the first time since the start up of volumio : to enable ampli, lcd or something else.

It will be great to implement an automatic of the raspberry pi of volumio stop with delay.

It will be great too find the same hardware controles via GPIO with the SPI or Serial (RS232) interface with simple instructions to communicate (ask <-> answer) and be very open with other hardware controlers for the DIY world and accelerate the distribution of Volumio like THE solution of the dematerialized music :).

Restart MPD with a control via serial interface or GPIO will be great.
Or with the volumio parameter GUI interface, determine an action / GPIO Input and a status / GPIO output will be be an excellent solution of customization of volumio ! A lot of possibilities will be open with that !!

I've find this library for exemple and the controle ' (get-status CONN) ' or ' (get-stat CONN) ', that can communicate importante information about the track. : http://wiki.call-cc.org/eggref/4/mpd-client

This evolution is very important i think to develop volumio on DIY world to interface with no PB with others Hardware solutions.

I can developp my ask if you want more detail :).

At your disposal
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Interface with GPIO and/ rs232 or spi : full communication

Postby Glop109 » Thu Dec 11 2014 21:57

This post : gpio-pins-control-volume-t2219.html is near that it's explain in my original ask :).

Want you some moqups to complete the feature ?
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Interface with GPIO and/ rs232 or spi : full communication

Postby Glop109 » Sat Dec 20 2014 17:50

Not collected :(
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[collected] Interface with GPIO and/ rs232 or spi

Postby Glop109 » Wed Dec 24 2014 09:11

Collected.
I can produce some functional specifications if you want qwith moqups to illustrate. :mrgreen:
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[collected] Interface with GPIO and/ rs232 or spi

Postby pow3r » Tue Dec 30 2014 06:38

the ability to trigger a shutdown via the gpio would be great, then i wouldn't need the web ui at all (i use a MPD app to handle tracks/controls already)
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