What exactly are you trying to do? Please explain your application so that we can propose a solution.
Regards, John > On Mar 23, 2016, at 4:29 AM, [email protected] wrote: > > Hi, > > Is there any resolution about this ? Since I'm having the same consideration > > Thanks ! > > > On Wednesday, November 4, 2015 at 4:15:23 PM UTC+2, [email protected] wrote: > Hi, > > I'm trying to setup SPI slave mode with same above method and changed > OMAP2_MCSPI_MODULCTRL_MS set to 0 for slave mode. > > i'm facing issue in master mode and slave both on sckl pin configuration. > > http://elinux.org/BeagleBone_Black_Enable_SPIDEV > <http://elinux.org/BeagleBone_Black_Enable_SPIDEV> in this link why sckl pin > is configured as INPUT 0x33 but it will work with same configuration if i > change it to OUTPUT it doesn't work with any slave device and no clock on > that pin. > > Please anyone clarify this doubt and issues. > > For slave mode i tried to change OMAP2_MCSPI_MODULCTRL_MS bit in driver file > spi_omap2_mcspi.c but no use. still its master only. > > Please provide any suggestion or exact procedure. > > Thank you in advance. > > Regard s > Ravi > > On Thursday, September 18, 2014 at 5:45:47 AM UTC+5:30, [email protected] <> > wrote: > > I am having issues with SPI between two BBB that may be simple to solve. I > have spidev_test loopback working on each board but am having problems > connecting the two. > > spi0 master dts: > 0x150 0x10 /* spi0_sclk, OUTPUT_PULLUP | MODE0 */ > 0x154 0x30 /* spi0_d0, INPUT_PULLUP | MODE0 */ > 0x158 0x10 /* spi0_d1, OUTPUT_PULLUP | MODE0 */ > 0x15c 0x10 /* spi0_cs0, OUTPUT_PULLUP | MODE0 */ > > spi slave dts: > 0x150 0x30 /* spi0_sclk, INPUT_PULLUP | MODE0 */ > 0x154 0x10 /* spi0_d0, OUTPUT_PULLUP | MODE0 */ > 0x158 0x30 /* spi0_d1, INPUT_PULLUP | MODE0 */ > 0x15c 0x30 /* spi0_cs0, INPUT_PULLUP | MODE0 */ > > > The oscilloscope shows activity when spi0_sckl (P9_17) is not connected but > nothing when P9_17 is connected between both boards. > I am sending bytes from master with the command: echo 1 > /dev/spidev1.0 > > I need 4-8mbit/sec transfer, is this achievable by bit banging over GPIO and > would that be a viable alternative to getting SPI working? > > > -- > For more options, visit http://beagleboard.org/discuss > <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] > <mailto:[email protected]>. > For more options, visit https://groups.google.com/d/optout > <https://groups.google.com/d/optout>. -- 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.
