From 0df75b882506e74f46e31f7be530dee1a02d7e3e Mon Sep 17 00:00:00 2001 From: Sam Moore Date: Fri, 27 Sep 2013 01:00:05 +0800 Subject: [PATCH] Automatic commit of irc logs --- irc/log | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/irc/log b/irc/log index c9821f8..9f0da42 100644 --- a/irc/log +++ b/irc/log @@ -3441,3 +3441,36 @@ 19:57 < jtanx> bye 20:50 -!- jtanx [~asfa@220-253-203-242.dyn.iinet.net.au] has quit ["ChatZilla 0.9.90.1 [Firefox 24.0/20130910160258]"] 21:50 -!- MctxBot [~twang@220-253-203-242.dyn.iinet.net.au] has quit [Ping timeout] +--- Day changed Thu Sep 26 2013 +07:45 -!- jtanx [~asfa@220-253-203-242.dyn.iinet.net.au] has joined #mctxuwa_softdev +08:36 -!- jtanx [~asfa@220-253-203-242.dyn.iinet.net.au] has quit [Ping timeout] +09:36 -!- jtanx [~asfa@220-253-203-242.dyn.iinet.net.au] has joined #mctxuwa_softdev +10:47 -!- jtanx [~asfa@220-253-203-242.dyn.iinet.net.au] has quit [Ping timeout] +13:08 -!- jtanx [~asfa@130.95.54.13] has joined #mctxuwa_softdev +16:26 -!- jtanx [~asfa@130.95.54.13] has quit [Ping timeout] +17:04 -!- jtanx [~asfa@220-253-203-242.dyn.iinet.net.au] has joined #mctxuwa_softdev +17:52 < jtanx> http://www.ti.com/lit/ug/spruh73i/spruh73i.pdf p1986 (chapter 15) on pwm +17:55 < jtanx> page 1996 on ePWM +17:56 < jtanx> ahhhhh +17:56 < jtanx> for ehrpwm0a/0b +17:56 < jtanx> the frequency is linked +18:08 < jtanx> ehrpwm is enhanced resolution pwm +18:08 < jtanx> Implemented using the A signal path of PWM, that is, on the EPWMxA output. EPWMxB output has +18:08 < jtanx> conventional PWM capabilities +18:08 < jtanx> (p2053) +19:06 < jtanx> if you want to make the pwm stuff not suck +19:06 < jtanx> there's this file called pwm_test.c +19:06 < jtanx> that's the driver +19:59 < jtanx> for future ref: http://armsdr.blogspot.com.au/2013/04/archlinux-on-beaglebone-and-linux-38.html +20:08 -!- jtanx_ [~asfa@220-253-203-242.dyn.iinet.net.au] has joined #mctxuwa_softdev +20:21 -!- jtanx [~asfa@220-253-203-242.dyn.iinet.net.au] has quit [Ping timeout] +21:19 < jtanx_> urgh wow +21:19 < jtanx_> ok, so I think pwm1/3/5 shouldn't be used to avoid period conflicts +21:19 < jtanx_> (pwm0/1 is for channel A/B of one pwm device, 3/4 another, 5/6 another) +21:20 < jtanx_> btw the correspondence between pwmX and pin number is: +21:21 < jtanx_> P9_22, P9_21, P9_42. P9_14, P9_16, P8_19, P8_13, P9_28 +21:23 < jtanx_> pwm 2/7 correspond to eCAP devices +21:24 < jtanx_> which I think are to capture PWM input +21:24 < jtanx_> but they can also be used to generate PWM output, afaik +23:08 -!- jtanx_ [~asfa@220-253-203-242.dyn.iinet.net.au] has quit ["ChatZilla 0.9.90.1 [Firefox 24.0/20130910160258]"] +23:10 -!- MctxBot [~twang@220-253-203-242.dyn.iinet.net.au] has joined #mctxuwa_softdev -- 2.20.1