[beagleboard] Advice please - I killed my BBBW and would like to avoid doing it again!

2020-08-06 Thread James Fitzsimons
Hi all, I've somehow managed to kill one of my BBBW boards. It now displays the dim pulse of the power led when plugged into either the 5V barrel jack supply or USB and nothing further after that. From digging around on the web it appears that this is a sign that I've somehow managed to damage

Re: [beagleboard] Re: Is it possible to use two PWM channels independently?

2018-02-28 Thread James Fitzsimons
Thanks very much guys, I now understand the limitations of the epwmss better. After giving it some more thought, I think I should be able to get by without having the need to switch either the A or B output off independently. Varying the duty cycle should be sufficient. Thanks again, James

[beagleboard] Is it possible to use two PWM channels independently?

2018-02-27 Thread James Fitzsimons
ing overlays enabled: uboot_overlay_addr6=/lib/firmware/am33xx_pwm-00A0.dtbo uboot_overlay_addr7=/lib/firmware/BB-PWM0-00A0.dtbo I'll go read the Technical Reference Manual now, but if someone can shed some light on this for me it would be much appreciated! Cheers, James Fitzsimons -- For more options, vis

[beagleboard] Re: PWM documentation and/logic for kernel 4.9.XX

2018-02-27 Thread James Fitzsimons
M335x which has all the addresses for the peripherals here https://blog.dest-unreach.be/wp-content/uploads/2017/07/AM335x-TRM.pdf - it doesn't seem to be on the TI site anymore, at least not that I could find. HTH, James Fitzsimons On Thursday, 22 February 2018 17:58:22 UTC+13, Co M wro

Re: [beagleboard] Where do I find PWM device address mappings?

2018-02-21 Thread James Fitzsimons
es/platform/ocp/4830.epwmss/48300200.pwm/pwm/) to get the pwmchipXX mapping to use on each boot? Cheers, James Fitzsimons On 22 February 2018 at 15:00, Robert Nelson wrote: > On Wed, Feb 21, 2018 at 7:44 PM, James Fitzsimons > wrote: > > Hi all, > > > > I'm tr

[beagleboard] Where do I find PWM device address mappings?

2018-02-21 Thread James Fitzsimons
he right direction please? Many thanks, James Fitzsimons -- 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 emai

Re: [beagleboard] Looking for BBBWL eeprom dump.

2017-11-26 Thread james . fitzsimons
t overlays are loaded. Thanks again. Cheers, James Fitzsimons On Monday, 12 June 2017 05:14:29 UTC+12, RobertCNelson wrote: > > On Sun, Jun 11, 2017 at 7:44 AM, JoelM > > wrote: > > Hi, I got a BBB Wireless from Mouser this week. This is the eeprom > content: > &