Hi Walter, I’m on the cellphone and that is a little hard to read your code? But I did find the offset of the pru memory , because you need allocate the memory inside the pru memory address and you is allocating at the 1000 address
Sent from my iPhone > Em 4 de mai. de 2021, à(s) 13:16, Walter Cromer <[email protected]> > escreveu: > > I'm on a BBB Wireless running > > Linux beaglebone 4.19.94-ti-r61 #1buster SMP PREEMPT Wed Mar 31 15:23:20 UTC > 2021 armv7l GNU/Linux > > The version.sh output is at the end of this post. > > I need to put readings from two analog inputs into two arrays so I can do > some calculations on them. Basically, when one of the inputs exceeds a > threshold, I'll do these calculations on the values in the arrays. > Essentially these will be two ring buffers. > I don't have a lot of variables or a lot of code really but it doesn't take > much to overflow the default stack and heap or 8k of RAM local to each PRU. > So, I'm thinking the solution is to force these two arrays into the 12k > shared RAM since I'm only using PRU0 in this application. > > I've been trying to follow Molloy's example and Mark Yoder's PRUCookbook > example but when I compile the PRU code it freezes the whole system which I > suspect is because of a stack or heap overflow. > > Here are the code snippets. What am I doing wrong and/or what could I do > differently? > > #define SHARE_MEM 0x00010000 > > // declaring int arrays to go in PRU Shared memory space > > #define E_RING_BUFFER_SIZE 5 // each array will have 5 elements; ultimately > need 50 each > > volatile unsigned int *DetTSampleSet = (unsigned int *) SHARE_MEM; > volatile unsigned int *DetBSampleSet = (unsigned int *) (SHARE_MEM + > (E_RING_BUFFER_SIZE * sizeof(unsigned int))); ; > . > . > . > . > // putting data from analog sensor read into array element > Data = HWREG(SOC_ADC_TSC_0_REGS + TSC_ADC_SS_FIFODATA(0)); > StepRead = (Data >> 16) & 0xF; > RawAnalog = Data & 0xFFF; > > switch (StepRead) > { > case 0: > DetTSample = RawAnalog; > //DetTSampleSet[pnr]=RawAnalog; > break; > case 1: > DetBSample = RawAnalog; > DetBSampleSet[0]=RawAnalog; > . > . > . > . > > > debian@beaglebone:/var/lib/cloud9$ sudo /opt/scripts/tools/version.sh > git:/opt/scripts/:[b39ec679648a6be8f25f48bd1c9784c1fc5a0c46] > eeprom:[A335BNLTBWA52027BBWG0227] > model:[TI_AM335x_BeagleBone_Black_Wireless] > dogtag:[BeagleBoard.org Debian Buster IoT Image 2020-04-06] > bootloader:[microSD-(push-button)]:[/dev/mmcblk0]:[U-Boot > 2019.04-00002-g07d5700e21]:[location: dd MBR] > bootloader:[eMMC-(default)]:[/dev/mmcblk1]:[U-Boot > 2018.03-00002-gac9cce7c6a]:[location: dd MBR] > UBOOT: Booted Device-Tree:[am335x-boneblack-uboot-univ.dts] > UBOOT: Loaded Overlay:[AM335X-PRU-RPROC-4-19-TI-00A0] > UBOOT: Loaded Overlay:[BB-ADC-00A0] > UBOOT: Loaded Overlay:[BB-BBBW-WL1835-00A0] > UBOOT: Loaded Overlay:[BB-BONE-eMMC1-01-00A0] > UBOOT: Loaded Overlay:[BB-I2C2-RTC-DS3231] > UBOOT: Loaded Overlay:[BB-W1-P9.12-00A2] > kernel:[4.19.94-ti-r61] > nodejs:[v10.15.2] > /boot/uEnv.txt Settings: > debian@beaglebone:/var/lib/cloud9$ sudo /opt/scripts/tools/version.sh > [sudo] password for debian: > git:/opt/scripts/:[b39ec679648a6be8f25f48bd1c9784c1fc5a0c46] > eeprom:[A335BNLTBWA52027BBWG0227] > model:[TI_AM335x_BeagleBone_Black_Wireless] > dogtag:[BeagleBoard.org Debian Buster IoT Image 2020-04-06] > bootloader:[microSD-(push-button)]:[/dev/mmcblk0]:[U-Boot > 2019.04-00002-g07d5700e21]:[location: dd MBR] > bootloader:[eMMC-(default)]:[/dev/mmcblk1]:[U-Boot > 2018.03-00002-gac9cce7c6a]:[location: dd MBR] > UBOOT: Booted Device-Tree:[am335x-boneblack-uboot-univ.dts] > UBOOT: Loaded Overlay:[AM335X-PRU-RPROC-4-19-TI-00A0] > UBOOT: Loaded Overlay:[BB-ADC-00A0] > UBOOT: Loaded Overlay:[BB-BBBW-WL1835-00A0] > UBOOT: Loaded Overlay:[BB-BONE-eMMC1-01-00A0] > UBOOT: Loaded Overlay:[BB-I2C2-RTC-DS3231] > UBOOT: Loaded Overlay:[BB-W1-P9.12-00A2] > kernel:[4.19.94-ti-r61] > nodejs:[v10.15.2] > /boot/uEnv.txt Settings: > uboot_overlay_options:[enable_uboot_overlays=1] > uboot_overlay_options:[uboot_overlay_addr4=/lib/firmware/BB-W1-P9.12-00A0.dtbo] > uboot_overlay_options:[disable_uboot_overlay_video=1] > uboot_overlay_options:[disable_uboot_overlay_audio=1] > uboot_overlay_options:[uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-19-TI-00A0.dtbo] > uboot_overlay_options:[enable_uboot_cape_universal=1] > uboot_overlay_options:[dtb_overlay=/lib/firmware/BB-I2C2-RTC-DS3231.dtbo] > pkg check: to individually upgrade run: [sudo apt install --only-upgrade > <pkg>] > pkg:[bb-cape-overlays]:[4.14.20210401.0-0~buster+20210401] > pkg:[bb-wl18xx-firmware]:[1.20200322.0-0rcnee0~buster+20200322] > pkg:[kmod]:[26-1] > pkg:[librobotcontrol]:[1.0.4-git20190227.1-0rcnee0~buster+20190327] > pkg:[firmware-ti-connectivity]:[20190717-2rcnee1~buster+20200305] > groups:[debian : debian adm kmem dialout cdrom floppy audio dip video plugdev > users systemd-journal bluetooth netdev i2c gpio pwm eqep remoteproc admin spi > iio docker tisdk weston-launch xenomai cloud9ide] > cmdline:[console=ttyO0,115200n8 bone_capemgr.uboot_capemgr_enabled=1 > root=/dev/mmcblk0p1 ro rootfstype=ext4 rootwait coherent_pool=1M > net.ifnames=0 lpj=1990656 rng_core.default_quality=100 quiet] > dmesg | grep remote > [ 69.919456] remoteproc remoteproc0: wkup_m3 is available > [ 70.232036] remoteproc remoteproc0: powering up wkup_m3 > [ 70.232072] remoteproc remoteproc0: Booting fw image > am335x-pm-firmware.elf, size 217148 > [ 70.232362] remoteproc remoteproc0: remote processor wkup_m3 is now up > [ 72.486601] remoteproc remoteproc1: 4a334000.pru is available > [ 72.507930] remoteproc remoteproc2: 4a338000.pru is available > dmesg | grep pru > [ 72.486601] remoteproc remoteproc1: 4a334000.pru is available > [ 72.486792] pru-rproc 4a334000.pru: PRU rproc node pru@4a334000 probed > successfully > [ 72.507930] remoteproc remoteproc2: 4a338000.pru is available > [ 72.508098] pru-rproc 4a338000.pru: PRU rproc node pru@4a338000 probed > successfully > dmesg | grep pinctrl-single > [ 0.951056] pinctrl-single 44e10800.pinmux: 142 pins, size 568 > dmesg | grep gpio-of-helper > [ 0.964776] gpio-of-helper ocp:cape-universal: ready > lsusb > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > END > -- > 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/64e7559c-50fa-44cb-8cc5-9b386755a854n%40googlegroups.com. -- 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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