Hi, I need to add one more thing to this. On running *sudo /opt/scripts/tools/version.sh, *this is the output: https://pastebin.com/tgwb3u3S
Regards, Vedant Paranjape On Monday, July 20, 2020 at 1:36:48 AM UTC+5:30 Vedant Paranjape wrote: > > Hi, > I wanted to use PRU-ICSS's eCap module to generate PWM signals, It is > something I want to implement in my GSoC project. I referred to AM335x TRM > <https://elinux.org/images/6/65/Spruh73c.pdf> section 15.3, It has a > detailed description of how to use ECAP to generate PWM signals at section > 15.3.3.5. > Since pru_ecap.h was missing bit fields required to use PWM mode, as > described in the TRM (15.3.3.5.1) I defined those required bit fields from > register descriptions in the TRM (15.3.4). Here's the new header I defined: > https://github.com/VedantParanjape/pru-ecap-pwm/blob/master/include/am335x/pru_ecap.h > > According to the register value (Table 15-100 and Example 15-13 of the > TRM) needed to be set to get it working, I set the registers in my code. > Here is my main code which drives the eCap module to generate PWM: > https://github.com/VedantParanjape/pru-ecap-pwm/blob/master/main0.c > > I am using pru-gcc version: > > > > > > *pru-gcc (GCC) 10.0.1 20200315 (experimental)Copyright (C) 2020 Free > Software Foundation, Inc.This is free software; see the source for copying > conditions. There is NOwarranty; not even for MERCHANTABILITY or FITNESS > FOR A PARTICULAR PURPOSE.* > Command to compile: > *pru-gcc main0.c -o pwm -I./inlude/ -I./include/am335x/ -mmcu=am335x.pru0* > > Command to load binary and start PRU: > > *cp pwm /lib/firmware/am335x-pru0-fw * > > *config-pin p9.42 pru_ecap * > *echo start > /sys/class/remoteproc/remoteproc0/state * > > When I load the binary, it loads without any issue, but i fail to get > output on p9.42 pin, which is the pr1_ecap pin. I check with a multimeter, > It shows Nada, zero Volts. > > I am using a BeagleBone Black Wireless: > *Linux beaglebone 4.19.94-ti-r45 #1buster SMP PREEMPT Thu Jun 18 19:18:41 > UTC 2020 armv7l GNU/Linux* > > This the output on running *(sudo show-pins | sort*) > https://pastebin.com/r2128R9b > This is my *uEnv.txt*: https://pastebin.com/99qxs8NN > > Regards, > Vedant Paranjape > -- 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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/f33e6877-fe45-4d9b-b42c-dd8d4b5091e9n%40googlegroups.com.