Thank you very much, exactly what I was looking for ;-) Le jeudi 4 décembre 2014 03:58:11 UTC+1, [email protected] a écrit : > > Have a look at the example here http://www.nagavenkat.adurthi.com/ > titled SPI communication: BeagleBone Black( as Master) to 4 Arduinos( as > Slaves ) <http://www.nagavenkat.adurthi.com/?p=479> > Hope this will help, > Jan > > On Wednesday, December 3, 2014 7:35:38 PM UTC+11, [email protected] wrote: >> >> Thank you for your answer Mickae1. >> >> But I know how to use SPI with device tree overlay (I use it that way for >> my first lcd). I was wondering if it could be possible to declare a simple >> GPIO pin (via DTO for example) as a CS one. It would allow me to work with >> fbtft driver without having to alter it. >> >> Never mind, I am writing a new driver (called by dto) to emulate more CS >> pins. I will see if it can work at the required speed. >> >> Le mardi 2 décembre 2014 16:01:03 UTC+1, Mickae1 a écrit : >>> >>> your answer : >>> >>> >>> http://hipstercircuits.com/enable-spi-with-device-tree-on-beaglebone-black-copy-paste/ >>> >>> Enjoy, >>> >>> Le Tue Dec 02 2014 at 15:58:53, <[email protected]> a écrit : >>> >>>> Hi, >>>> >>>> I have to connect 2 lcd on a BBB via SPI interfaces (I use fbtft >>>> driver). I can only use SPI0 because SPI1 pins are used by I2C for cape >>>> eeprom. >>>> The problem is that SPI0 has only one CS pin. Is it possible to tell >>>> the SPI driver to use a GPIO pin as another CS line ? >>>> Am I forced to write a full driver to emulate CS with a GPIO pin ? >>>> >>>> Thanks in advance for your help. >>>> >>>> -- >>>> For more options, visit http://beagleboard.org/discuss >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "BeagleBoard" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>>
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