Hello! I'm trying to use PRU for PWM with am335x_pru_package ( https://github.com/beagleboard/am335x_pru_package ). I use code from a book Derek Molloy (Listing 13.6, page 525; if you need code i can send that). Built goes fine - 0 errors, but when i execute, i have error "Segmentation fault". I don't know, where is problem... Maybe who faced this problem? My sudo /opt/scripts/tools/version.sh git:/opt/scripts/:[1aa73453b2c980b75e31e83dab7dd8b6696f10c7] eeprom:[A335BNLT00C04619BBBK08BF] model:[TI_AM335x_BeagleBone_Black] dogtag:[BeagleBoard.org Debian Image 2018-10-07] bootloader:[eMMC-(default)]:[/dev/mmcblk1]:[U-Boot 2018.09-00002-g0b54a51eee]:[location: dd MBR] kernel:[4.14.71-ti-r80] nodejs:[v6.14.4] uboot_overlay_options:[enable_uboot_overlays=1] uboot_overlay_options:[uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-14-TI-00A0.dtbo] uboot_overlay_options:[enable_uboot_cape_universal=1] pkg check: to individually upgrade run: [sudo apt install --only-upgrade <pkg>] pkg:[bb-cape-overlays]:[4.4.20180928.0-0rcnee0~stretch+20180928] pkg:[bb-wl18xx-firmware]:[1.20180517-0rcnee0~stretch+20180517] pkg:[kmod]:[23-2rcnee1~stretch+20171005] pkg:[librobotcontrol]:[1.0.3-git20181005.0-0rcnee0~stretch+20181005] pkg:[firmware-ti-connectivity]:[20170823-1rcnee1~stretch+20180328] groups:[debian : debian adm kmem dialout cdrom floppy audio dip video plugdev users systemd-journal i2c bluetooth netdev cloud9ide gpio pwm eqep admin spi tisdk weston-launch xenomai] cmdline:[console=ttyO0,115200n8 bone_capemgr.uboot_capemgr_enabled=1 root=/dev/mmcblk1p1 ro rootfstype=ext4 rootwait coherent_pool=1M net.ifnames=0 quiet] dmesg | grep pinctrl-single [ 1.119780] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 size 568 dmesg | grep gpio-of-helper [ 1.131811] gpio-of-helper ocp:cape-universal: ready
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