Dear All Does anyone have any ideas? If you have any ideas on how to add LEDs, please let me know. Regards,
2021年1月7日木曜日 10:37:31 UTC+9 ha ppay: > > > Hi > Thank you for your reply, and the book's title! > I checked table of contents of the book. > Maybe, The Chapter 6 is that? > I have experiences to control GPIO by python, and configure the device > tree's defualt setting, write to value&direction file. > I changed the GPIO Pin setting of device tree file to out&High for the LED > turn on when bbb is powered on. > But I can't find the method to turn off the LED in a few seconds. I tried > to write python script to turn off the LED, and Systemd run the service > script( using the After setting is "generic-board-startup.service ). > but the timing is over 1minutes from the bbbw is powered on! > I'm looking for the information of "as soon as bbb is powered on". > I'm not familiar with embedded Linux. In particular, I have little idea > about the behavior of driver-related programs. I'm wondering if the > driver's program should do this. > > 2021年1月6日水曜日 22:39:14 UTC+9 iguana...@googlemail.com: > >> Hi! >> Yes! I'm pretty sure that the Derek Molloy's "Exploring BeagleBone: >> Tools and Techniques for Building with Embedded Linux" book has the >> examples that you are looking for in various programming languages. >> >> El mié., 6 de ene. de 2021 10:16, BBBW User A <ando...@gmail.com> >> escribió: >> >>> >>> Hi everyone. >>> >>> I'm BBBW user. >>> Could you tell me below question. >>> >>> Is there a wai to turn on the GPIO Controlled LED for a few seconds as >>> soon as the bbbw is powered on, like user leds? >>> and How to do it? >>> >>> Regards, >>> >>> -- >>> 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...@googlegroups.com. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/beagleboard/364a2d6d-897f-4c72-99e0-4008f5504c77o%40googlegroups.com >>> >>> <https://groups.google.com/d/msgid/beagleboard/364a2d6d-897f-4c72-99e0-4008f5504c77o%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- 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/0a6c3263-ab7f-4b92-80a6-ad2f4cd5ff1dn%40googlegroups.com.
