* Pavel Machek <pavel@xxxxxx> [190102 04:15]: > On Mon 2018-12-31 14:23:29, Tony Lindgren wrote: > > * Pavel Machek <pavel@xxxxxx> [181231 21:54]: > > > Is it possible that epoll() does not work properly with /dev/motmdm*? > > > I am debugging weird problems with ofonod, and that would be an > > > explanation... > > > > > > epoll.poll() should be returning list of file descriptors and if they > > > are ready. And it seems to work for ttyUSB4 but not for motmdm. > > > > > > Hmm. And motmdm_cdev_poll() lacks EPOLLOUT() support, right? That > > > could explain things... > > > > Hmm yeah maybe. > > > > FYI, I just pushed a test script into github droid4-sms-tools repo > > for sending SMS and a related kernel fix for ctrl-z termination > > into k.o droid4-pending-mdm-v4.20 branch. > > > > But that seems to fix a different issue from what you're seeing. > > Yes, I can easily work around the problem like this: > > It needs huge fixme there, but if you could include it... "always > ready" is better than "never ready". OK I'll take a look when I get a chance. I think all we need to do there is check that cdata->write_offset < cdata->write_buf_sz. > I'm currently adding code to ofono... I can decode incoming > SMS. Current is here. https://github.com/pavelmachek/ofono > > Have you figured out how the incoming calls are supposed to work? I'm > getting this on incoming call: > > ofonod[2534]: Voice: < ~+WAKEUP\n\r > ignoring line > ofonod[2534]: Voice: < ~+WAKEUP\n\r > ignoring line > ofonod[2534]: Voice: < ~+WAKEUP\n\r > ignoring line > ofonod[2534]: Voice: < ~+CIEV=1,4,0\n\r > ignoring line > ofonod[2534]: Voice: < ~+CLIP="+420xxxxxxxxx",1,1,"",0,"",0\n\r > ignoring line > ofonod[2534]: Voice: < ~+WAKEUP\n\r > ignoring line > ofonod[2534]: Voice: < ~+WAKEUP\n\r > ignoring line > ofonod[2534]: Voice: < ~+WAKEUP\n\r > ignoring line > ofonod[2534]: Voice: < ~+CIEV=1,0,0\n\r > ignoring line > > ofonod[2534]: Voice: < ~+WAKEUP\n\r > ignoring line > ofonod[2534]: Voice: < ~+WAKEUP\n\r > ignoring line > ofonod[2534]: Voice: < ~+WAKEUP\n\r > > I probably could use +CLIP as "there's incoming call", but I don't see > anything useful when I hang up and phone should stop ringing. Parsing the number(s) from +CIEV should tell that, see what I added to motmdm_read_state(). Regards, TOny