I found this:
*"...POSIX says that a non-interactive shell must not generate pathnames > for a redirection; an interactive shell may do so, provided there is > exactly one match.." * So although: echo BB-SPIDEV0 > /sys/devices/bone_capemgr.*/slots might work when you are doing it manually, you need to do something like this: #!/bin/sh -e > slots=$(ls /sys/devices/bone_capemgr.*/slots) > echo BB-SPIDEV0 > $slots > echo BB-SPIDEV1 > $slots > exit > to make it run in a plain sh script On Friday, 15 August 2014 12:03:36 UTC-7, Jason Lange wrote: > > > running it manually as root starting with /bin/bash then using vi to > change to /bin/sh I get this: > > root@sqr1 ~ # cd /usr/local/bin > root@sqr1 /usr/local/bin # mv startSPI.sh.hid startSPI.sh > root@sqr1 /usr/local/bin # ./startSPI.sh > root@sqr1 /usr/local/bin # > root@sqr1 /usr/local/bin # vi ./startSPI.sh > root@sqr1 /usr/local/bin # > root@sqr1 /usr/local/bin # ./startSPI.sh > ./startSPI.sh: 3: ./startSPI.sh: cannot create > /sys/devices/bone_capemgr.*/slots: Directory nonexistent > ./startSPI.sh: 4: ./startSPI.sh: cannot create > /sys/devices/bone_capemgr.*/slots: Directory nonexistent > > I don't understand why. > > > On Thursday, 14 August 2014 09:02:32 UTC-7, Terje Froysa wrote: >> >> >> Dear Forum, >> >> I have now turned the web outside-in to find an answer to this question. >> I see a lot of subjects touching the subject, but the answers and >> suggestions are mostly in the hear-say category and points in different >> directions putting me off in an endless ghost-hunt. >> >> I have been testing various overlays, some loads without problems, other >> won't load but can be manually loaded after boot. >> I can even rename an overlay that loads and it stops loading even if the >> content is identical. >> I have changed the sequence of loading proving that the file system is >> ready at the time of loading. >> >> I have tested the suggested solutions from: >> http://elinux.org/BeagleBone_Black_Enable_SPIDEV >> >> The .dtbo files does not load at boot, but can be loaded manually later. >> And working when loaded! >> The boot log gives no clue of what the problem may be. >> >> >> - Is it the content of the .dtbo? >> - Is it the name of the .dtbo file? >> >> Please advice >> Best regards >> Terje Froysa >> >> *Running system:* >> >> debian@beaglebone:~$ uname -a >> Linux beaglebone 3.8.13-bone50 #1 SMP Tue May 13 13:24:52 UTC 2014 armv7l >> GNU/Linux >> *Boot log showing BB-SPI1-SWP-01 not loading:* >> debian@beaglebone:~$ dmesg |grep BB- >> [ 0.000000] Kernel command line: console=tty0 console=ttyO0,115200n8 >> capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN >> capemgr.enable_partno=BB-I2C1,BB-SPI1-SWP-01 >> root=UUID=5a42a22f-1771-4c44-93ef-8879c38b63d9 ro rootfstype=ext4 rootwait >> fixrtc quiet init=/lib/systemd/systemd >> [ 0.565888] bone-capemgr bone_capemgr.9: Skipping disabled cape with >> part# BB-BONELT-HDMI >> [ 0.565937] bone-capemgr bone_capemgr.9: Skipping disabled cape with >> part# BB-BONELT-HDMIN >> [ 0.714324] bone-capemgr bone_capemgr.9: slot #4: >> 'Bone-LT-eMMC-2G,00A0,Texas Instrument,BB-BONE-EMMC-2G' >> [ 0.714439] bone-capemgr bone_capemgr.9: slot #5: >> 'Bone-Black-HDMI,00A0,Texas Instrument,BB-BONELT-HDMI' >> [ 0.714540] bone-capemgr bone_capemgr.9: slot #6: >> 'Bone-Black-HDMIN,00A0,Texas Instrument,BB-BONELT-HDMIN' >> [ 0.714612] bone-capemgr bone_capemgr.9: enabled_partno part_number >> 'BB-I2C1', version 'N/A', prio '0' >> [ 0.714653] bone-capemgr bone_capemgr.9: slot #7: 'Override Board >> Name,00A0,Override Manuf,BB-I2C1' >> [ 0.714725] bone-capemgr bone_capemgr.9: enabled_partno part_number >> 'BB-SPI1-SWP-01', version 'N/A', prio '0' >> [ 0.714762] bone-capemgr bone_capemgr.9: slot #8: 'Override Board >> Name,00A0,Override Manuf,BB-SPI1-SWP-01' >> [ 0.714928] bone-capemgr bone_capemgr.9: Skipping loading of disabled >> cape with part# BB-BONELT-HDMI >> [ 0.714943] bone-capemgr bone_capemgr.9: Skipping loading of disabled >> cape with part# BB-BONELT-HDMIN >> [ 0.715135] bone-capemgr bone_capemgr.9: loader: before slot-4 >> BB-BONE-EMMC-2G:00A0 (prio 1) >> [ 0.715149] bone-capemgr bone_capemgr.9: loader: check slot-4 >> BB-BONE-EMMC-2G:00A0 (prio 1) >> [ 0.715228] bone-capemgr bone_capemgr.9: loader: before slot-7 >> BB-I2C1:00A0 (prio 0) >> [ 0.715240] bone-capemgr bone_capemgr.9: loader: check slot-7 >> BB-I2C1:00A0 (prio 0) >> [ 0.715732] bone-capemgr bone_capemgr.9: loader: check slot-4 >> BB-BONE-EMMC-2G:00A0 (prio 1) >> [ 0.718442] bone-capemgr bone_capemgr.9: loader: after slot-7 >> BB-I2C1:00A0 (prio 0) >> [ 0.718462] bone-capemgr bone_capemgr.9: slot #7: Requesting part >> number/version based 'BB-I2C1-00A0.dtbo >> [ 0.718477] bone-capemgr bone_capemgr.9: slot #7: Requesting firmware >> 'BB-I2C1-00A0.dtbo' for board-name 'Override Board Name', version '00A0' >> [ 0.718506] bone-capemgr bone_capemgr.9: slot #7: dtbo >> 'BB-I2C1-00A0.dtbo' loaded; converting to live tree >> [ 0.720710] bone-capemgr bone_capemgr.9: loader: before slot-8 >> BB-SPI1-SWP-01:00A0 (prio 0) >> [ 0.720724] bone-capemgr bone_capemgr.9: loader: check slot-8 >> BB-SPI1-SWP-01:00A0 (prio 0) >> [ 0.720740] bone-capemgr bone_capemgr.9: loader: after slot-8 >> BB-SPI1-SWP-01:00A0 (prio 0) >> [ 0.720754] bone-capemgr bone_capemgr.9: slot #8: Requesting part >> number/version based 'BB-SPI1-SWP-01-00A0.dtbo >> [ 0.720770] bone-capemgr bone_capemgr.9: slot #8: Requesting firmware >> 'BB-SPI1-SWP-01-00A0.dtbo' for board-name 'Override Board Name', version >> '00A0' >> [ 0.721636] bone-capemgr bone_capemgr.9: loader: done slot-7 BB-I2C1:00A0 >> (prio 0) >> [ 0.721672] bone-capemgr bone_capemgr.9: loader: check slot-4 >> BB-BONE-EMMC-2G:00A0 (prio 1) >> [ 1.075899] bone-capemgr bone_capemgr.9: failed to load firmware >> 'BB-SPI1-SWP-01-00A0.dtbo' >> [ 1.084703] bone-capemgr bone_capemgr.9: loader: failed to load slot-8 >> BB-SPI1-SWP-01:00A0 (prio 0) >> [ 1.094196] bone-capemgr bone_capemgr.9: loader: check slot-4 >> BB-BONE-EMMC-2G:00A0 (prio 1) >> [ 1.094214] bone-capemgr bone_capemgr.9: loader: after slot-4 >> BB-BONE-EMMC-2G:00A0 (prio 1) >> [ 1.122393] bone-capemgr bone_capemgr.9: loader: done slot-4 >> BB-BONE-EMMC-2G:00A0 (prio 1) >> >> *Verify overlay not loaded:* >> >> ro...@beaglebone:/home/debian# cat $SLOTS >> 0: 54:PF--- >> 1: 55:PF--- >> 2: 56:PF--- >> 3: 57:PF--- >> 4: ff:P-O-L Bone-LT-eMMC-2G,00A0,Texas Instrument,BB-BONE-EMMC-2G >> 5: ff:P-O-- Bone-Black-HDMI,00A0,Texas Instrument,BB-BONELT-HDMI >> 6: ff:P-O-- Bone-Black-HDMIN,00A0,Texas Instrument,BB-BONELT-HDMIN >> 8: ff:P-O-L Override Board Name,00A0,Override Manuf,BB-I2C1 >> >> *Manually loading same overlay:* >> ro...@beaglebone:/home/debian# echo BB-SPI1-SWP-01 > $SLOTS >> ro...@beaglebone:/home/debian# cat $SLOTS >> 0: 54:PF--- >> 1: 55:PF--- >> 2: 56:PF--- >> 3: 57:PF--- >> 4: ff:P-O-L Bone-LT-eMMC-2G,00A0,Texas Instrument,BB-BONE-EMMC-2G >> 5: ff:P-O-- Bone-Black-HDMI,00A0,Texas Instrument,BB-BONELT-HDMI >> 6: ff:P-O-- Bone-Black-HDMIN,00A0,Texas Instrument,BB-BONELT-HDMIN >> 8: ff:P-O-L Override Board Name,00A0,Override Manuf,BB-I2C1 >> 9: ff:P-O-L Override Board Name,00A0,Override Manuf,BB-SPI1-SWP-01 >> ro...@beaglebone:/home/debian# ls /dev |grep spi >> spidev1.0 >> > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. 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