The more i learn the more i don't know Got most everything working with a spi display but one last issue i cant seem to figure out.
if i load the module modprobe -v fbtft_device busnum=1 cs=0 speed=16000000 name=er_tftm070_5 gpios=reset:60,dc:24,led:50 it loads with no errors i can display a jpg on the monitor fbi -noverbose -T 1 -a -d /dev/fb0 Mystery-100x100.jpg it displays the image on display just fine proving that the module is functioning fine ok this is good i say but if i tail -f /var/log/messages OR view dmesg OR tail -f /var/log/syslog it spams the below messages over and over. If i read the logs it inits the display fine but the repeating messages baffle me. when i modprobe -r fbtft_device the errors go away I am SO over my head in kernel land i just need a little help here if anybody knows what might be going on. Feb 22 09:55:32 bone kernel: [37927.179998] fb_ra8875 spi1.0: Display update: 739 kB/s, fps=3 Feb 22 09:55:32 bone kernel: [37927.350235] fb_ra8875 spi1.0: fbtft_update_display(start_line=0, end_line=15) Feb 22 09:55:32 bone kernel: [37927.350264] fb_ra8875 spi1.0: write_reg8_bus8: 30 00 Feb 22 09:55:32 bone kernel: [37927.350276] fb_ra8875 spi1.0: write_spi(len=2): 80 30 Feb 22 09:55:32 bone kernel: [37927.350474] fb_ra8875 spi1.0: write_spi(len=2): 00 00 Feb 22 09:55:32 bone kernel: [37927.350615] fb_ra8875 spi1.0: write_reg8_bus8: 31 00 Feb 22 09:55:32 bone kernel: [37927.350623] fb_ra8875 spi1.0: write_spi(len=2): 80 31 Feb 22 09:55:32 bone kernel: [37927.350762] fb_ra8875 spi1.0: write_spi(len=2): 00 00 Feb 22 09:55:32 bone kernel: [37927.350900] fb_ra8875 spi1.0: write_reg8_bus8: 32 00 Feb 22 09:55:32 bone kernel: [37927.350908] fb_ra8875 spi1.0: write_spi(len=2): 80 32 Feb 22 09:55:32 bone kernel: [37927.351046] fb_ra8875 spi1.0: write_spi(len=2): 00 00 Feb 22 09:55:32 bone kernel: [37927.351184] fb_ra8875 spi1.0: write_reg8_bus8: 33 00 Feb 22 09:55:32 bone kernel: [37927.351192] fb_ra8875 spi1.0: write_spi(len=2): 80 33 Feb 22 09:55:32 bone kernel: [37927.351330] fb_ra8875 spi1.0: write_spi(len=2): 00 00 Feb 22 09:55:32 bone kernel: [37927.351468] fb_ra8875 spi1.0: write_reg8_bus8: 34 1f Feb 22 09:55:32 bone kernel: [37927.351476] fb_ra8875 spi1.0: write_spi(len=2): 80 34 Feb 22 09:55:32 bone kernel: [37927.351614] fb_ra8875 spi1.0: write_spi(len=2): 00 1f Feb 22 09:55:32 bone kernel: [37927.351752] fb_ra8875 spi1.0: write_reg8_bus8: 35 03 Feb 22 09:55:32 bone kernel: [37927.351760] fb_ra8875 spi1.0: write_spi(len=2): 80 35 Feb 22 09:55:32 bone kernel: [37927.351898] fb_ra8875 spi1.0: write_spi(len=2): 00 03 Feb 22 09:55:32 bone kernel: [37927.352036] fb_ra8875 spi1.0: write_reg8_bus8: 36 0f Feb 22 09:55:32 bone kernel: [37927.352044] fb_ra8875 spi1.0: write_spi(len=2): 80 36 Feb 22 09:55:32 bone kernel: [37927.352182] fb_ra8875 spi1.0: write_spi(len=2): 00 0f Feb 22 09:55:32 bone kernel: [37927.352320] fb_ra8875 spi1.0: write_reg8_bus8: 37 00 Feb 22 09:55:32 bone kernel: [37927.352328] fb_ra8875 spi1.0: write_spi(len=2): 80 37 Feb 22 09:55:32 bone kernel: [37927.352466] fb_ra8875 spi1.0: write_spi(len=2): 00 00 Feb 22 09:55:32 bone kernel: [37927.352604] fb_ra8875 spi1.0: write_reg8_bus8: 46 00 Feb 22 09:55:32 bone kernel: [37927.352612] fb_ra8875 spi1.0: write_spi(len=2): 80 46 Feb 22 09:55:32 bone kernel: [37927.352750] fb_ra8875 spi1.0: write_spi(len=2): 00 00 Feb 22 09:55:32 bone kernel: [37927.352888] fb_ra8875 spi1.0: write_reg8_bus8: 47 00 Feb 22 09:55:32 bone kernel: [37927.352896] fb_ra8875 spi1.0: write_spi(len=2): 80 47 Feb 22 09:55:32 bone kernel: [37927.353034] fb_ra8875 spi1.0: write_spi(len=2): 00 00 Feb 22 09:55:32 bone kernel: [37927.353172] fb_ra8875 spi1.0: write_reg8_bus8: 48 00 Feb 22 09:55:32 bone kernel: [37927.353180] fb_ra8875 spi1.0: write_spi(len=2): 80 48 Feb 22 09:55:32 bone kernel: [37927.353318] fb_ra8875 spi1.0: write_spi(len=2): 00 00 Feb 22 09:55:32 bone kernel: [37927.353456] fb_ra8875 spi1.0: write_reg8_bus8: 49 00 Feb 22 09:55:32 bone kernel: [37927.353464] fb_ra8875 spi1.0: write_spi(len=2): 80 49 Feb 22 09:55:32 bone kernel: [37927.353602] fb_ra8875 spi1.0: write_spi(len=2): 00 00 Feb 22 09:55:32 bone kernel: [37927.353740] fb_ra8875 spi1.0: write_reg8_bus8: 02 Feb 22 09:55:32 bone kernel: [37927.353748] fb_ra8875 spi1.0: write_spi(len=2): 80 02 Feb 22 09:55:32 bone kernel: [37927.357784] fb_ra8875 spi1.0: write_vmem16_bus8(offset=0, len=25600) Feb 22 09:55:32 bone kernel: [37927.357838] fb_ra8875 spi1.0: fbtft_write_spi(len=4093): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 0 00 00 00 00 00 00 00 00 00 ... Feb 22 09:55:32 bone kernel: [37927.365459] fb_ra8875 spi1.0: fbtft_write_spi(len=4093): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 0 00 00 00 00 00 00 00 00 00 ... Feb 22 09:55:32 bone kernel: [37927.368778] fb_ra8875 spi1.0: fbtft_write_spi(len=4093): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 0 00 00 00 00 00 00 00 00 00 ... Feb 22 09:55:32 bone kernel: [37927.372074] fb_ra8875 spi1.0: fbtft_write_spi(len=4093): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 0 00 00 00 00 00 00 00 00 00 ... Feb 22 09:55:32 bone kernel: [37927.375352] fb_ra8875 spi1.0: fbtft_write_spi(len=4093): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 0 00 00 00 00 00 00 00 00 00 ... Feb 22 09:55:32 bone kernel: [37927.379185] fb_ra8875 spi1.0: fbtft_write_spi(len=4093): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 0 00 00 00 00 00 00 00 00 00 ... Feb 22 09:55:32 bone kernel: [37927.383209] fb_ra8875 spi1.0: fbtft_write_spi(len=1049): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 0 00 00 00 00 00 00 00 00 00 ... -- 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]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/58350e24-c3d2-8ffa-4e6c-9a478bc9cc07%40gmail.com. For more options, visit https://groups.google.com/d/optout.
