From owner-freebsd-arm@freebsd.org Tue Oct 15 17:34:39 2019 Return-Path: Delivered-To: freebsd-arm@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 55B4E14F402 for ; Tue, 15 Oct 2019 17:34:39 +0000 (UTC) (envelope-from gdotten@gmail.com) Received: from mail-qk1-x72a.google.com (mail-qk1-x72a.google.com [IPv6:2607:f8b0:4864:20::72a]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46t2cF4qS5z4ZR7 for ; Tue, 15 Oct 2019 17:34:37 +0000 (UTC) (envelope-from gdotten@gmail.com) Received: by mail-qk1-x72a.google.com with SMTP id x134so19982224qkb.0 for ; Tue, 15 Oct 2019 10:34:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=VGLbTrs6+MPZYTLiQeEhDEyWlijVKi1aYZKmnsa+jkQ=; b=AIe28OkGbfq/Uup1sH3GaFdCdCaHMyjT311pZR0gYFG6JKVX/Dwy5yHbbUDs2ykR3c /VdAa44SPsFvsFSHp5lX07mje0G4cEL7BnDo8KQng+MaXeDGD2UjzSjMQBNlsWjsJzJo AWK4rIloE+ZgJha/G33UW9PVSZwLLhtpu+uIkh1B/2gDjAVGs4HPhlQWymLP3dDyrKzt g0wi7qJsjGYYjbsx3j0qJm1futrGA7Ap3kd71we6pNza1TK/VVKrMpCh5s66Kta9QK1S Rbl6vtXhFUUUeTgSfcxt1YyFaA2zSmyEc6EpP82ZhhCWvdE7Cd9t7XgeSm/tnrFRF0VX BVVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=VGLbTrs6+MPZYTLiQeEhDEyWlijVKi1aYZKmnsa+jkQ=; b=gUffOaYmRaWv55le4xOyVkoeFTslWllVc0SkVoF/vJfwkIXWvq+11MlcwsXHuQj2zi lcK7a6e6mW9ztFtWMKYk6xHByeDCjeiH1WbeentqWEIxE1RV+uAgWOVYfJ+im+x1IJ3N M/HaqXqymSt8YWjc8fIHwOB+MJv4MDhv2gmYLcRvnB5cA/MF6k/CoUwBxxYYKkX+nNGG mLmNheUtxStff1MzZoZv9RjjG2JEotFGkBaY9pCCwxZTSMOuq1BPWEc5Y6+sIBtCW7TT C1o0SRE1vrKBey4ka41FzIeADjJ2zsXnUziQhlkR9iNRdU1UnOAUUgmd0XnliDp23Yzp WICA== X-Gm-Message-State: APjAAAV0xIj7W+GguzPooIpbR2c+WA8hB30JFXsZX+m19pJKmXFBjOdq dVDSMC1BTULocuH/BTqr8LsY21rj1TvBbCuNuPYcliV1 X-Google-Smtp-Source: APXvYqwAGcLZdJcSrpUDjM24tMV3zx/pRPmj9c10FYq3FnN4akrbajvKfUmJ2bratwPRPoLkVBrmqUU8KLWBH9U0k0Q= X-Received: by 2002:a37:f70f:: with SMTP id q15mr33691151qkj.428.1571160876019; Tue, 15 Oct 2019 10:34:36 -0700 (PDT) MIME-Version: 1.0 References: <20191015131842.370e113b9f494ead760b9b6f@bidouilliste.com> <20191015175901.1d0173f27798f15c25c037de@bidouilliste.com> In-Reply-To: <20191015175901.1d0173f27798f15c25c037de@bidouilliste.com> From: Gary Otten Date: Tue, 15 Oct 2019 13:26:46 -0400 Message-ID: Subject: Re: GPIO on Olimex A64 board. Bank E not working. To: Emmanuel Vadot Cc: freebsd-arm@freebsd.org X-Rspamd-Queue-Id: 46t2cF4qS5z4ZR7 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=AIe28OkG; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of gdotten@gmail.com designates 2607:f8b0:4864:20::72a as permitted sender) smtp.mailfrom=gdotten@gmail.com X-Spamd-Result: default: False [-3.00 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-arm@freebsd.org]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; IP_SCORE_FREEMAIL(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[a.2.7.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; IP_SCORE(0.00)[ip: (-9.36), ipnet: 2607:f8b0::/32(-2.48), asn: 15169(-2.10), country: US(-0.05)]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Oct 2019 17:34:39 -0000 Ok, I placed hw.regulator.disable_unused=0 in /boot/loader.conf. Here is the results, also still no output on the E bank. root@:/dev # sysctl hw.regulator hw.regulator.dc1sw.uvolt: 0 hw.regulator.dc1sw.always_on: 0 hw.regulator.dc1sw.boot_on: 0 hw.regulator.dc1sw.enable_cnt: 0 hw.regulator.dc1sw.enable_delay: 0 hw.regulator.dc1sw.ramp_delay: 0 hw.regulator.dc1sw.max_uamp: 0 hw.regulator.dc1sw.min_uamp: 0 hw.regulator.dc1sw.max_uvolt: 0 hw.regulator.dc1sw.min_uvolt: 0 hw.regulator.ldo-io1.always_on: 0 hw.regulator.ldo-io1.boot_on: 0 hw.regulator.ldo-io1.enable_cnt: 0 hw.regulator.ldo-io1.enable_delay: 0 hw.regulator.ldo-io1.ramp_delay: 0 hw.regulator.ldo-io1.max_uamp: 0 hw.regulator.ldo-io1.min_uamp: 0 hw.regulator.ldo-io1.max_uvolt: 3300000 hw.regulator.ldo-io1.min_uvolt: 700000 hw.regulator.ldo-io0.always_on: 0 hw.regulator.ldo-io0.boot_on: 0 hw.regulator.ldo-io0.enable_cnt: 0 hw.regulator.ldo-io0.enable_delay: 0 hw.regulator.ldo-io0.ramp_delay: 0 hw.regulator.ldo-io0.max_uamp: 0 hw.regulator.ldo-io0.min_uamp: 0 hw.regulator.ldo-io0.max_uvolt: 3300000 hw.regulator.ldo-io0.min_uvolt: 700000 hw.regulator.vdd-cpus.uvolt: 1100000 hw.regulator.vdd-cpus.always_on: 1 hw.regulator.vdd-cpus.boot_on: 0 hw.regulator.vdd-cpus.enable_cnt: 0 hw.regulator.vdd-cpus.enable_delay: 0 hw.regulator.vdd-cpus.ramp_delay: 0 hw.regulator.vdd-cpus.max_uamp: 0 hw.regulator.vdd-cpus.min_uamp: 0 hw.regulator.vdd-cpus.max_uvolt: 1100000 hw.regulator.vdd-cpus.min_uvolt: 1100000 hw.regulator.vcc-1v2-hsic.uvolt: 1200000 hw.regulator.vcc-1v2-hsic.always_on: 0 hw.regulator.vcc-1v2-hsic.boot_on: 0 hw.regulator.vcc-1v2-hsic.enable_cnt: 0 hw.regulator.vcc-1v2-hsic.enable_delay: 0 hw.regulator.vcc-1v2-hsic.ramp_delay: 0 hw.regulator.vcc-1v2-hsic.max_uamp: 0 hw.regulator.vcc-1v2-hsic.min_uamp: 0 hw.regulator.vcc-1v2-hsic.max_uvolt: 1200000 hw.regulator.vcc-1v2-hsic.min_uvolt: 1200000 hw.regulator.eldo3.always_on: 0 hw.regulator.eldo3.boot_on: 0 hw.regulator.eldo3.enable_cnt: 0 hw.regulator.eldo3.enable_delay: 0 hw.regulator.eldo3.ramp_delay: 0 hw.regulator.eldo3.max_uamp: 0 hw.regulator.eldo3.min_uamp: 0 hw.regulator.eldo3.max_uvolt: 1900000 hw.regulator.eldo3.min_uvolt: 700000 hw.regulator.vcc-dvdd-csi.uvolt: 1800000 hw.regulator.vcc-dvdd-csi.always_on: 0 hw.regulator.vcc-dvdd-csi.boot_on: 0 hw.regulator.vcc-dvdd-csi.enable_cnt: 0 hw.regulator.vcc-dvdd-csi.enable_delay: 0 hw.regulator.vcc-dvdd-csi.ramp_delay: 0 hw.regulator.vcc-dvdd-csi.max_uamp: 0 hw.regulator.vcc-dvdd-csi.min_uamp: 0 hw.regulator.vcc-dvdd-csi.max_uvolt: 1800000 hw.regulator.vcc-dvdd-csi.min_uvolt: 1800000 hw.regulator.cpvdd.uvolt: 1800000 hw.regulator.cpvdd.always_on: 0 hw.regulator.cpvdd.boot_on: 0 hw.regulator.cpvdd.enable_cnt: 0 hw.regulator.cpvdd.enable_delay: 0 hw.regulator.cpvdd.ramp_delay: 0 hw.regulator.cpvdd.max_uamp: 0 hw.regulator.cpvdd.min_uamp: 0 hw.regulator.cpvdd.max_uvolt: 1800000 hw.regulator.cpvdd.min_uvolt: 1800000 hw.regulator.vcc-pll-avcc.uvolt: 3000000 hw.regulator.vcc-pll-avcc.always_on: 1 hw.regulator.vcc-pll-avcc.boot_on: 0 hw.regulator.vcc-pll-avcc.enable_cnt: 0 hw.regulator.vcc-pll-avcc.enable_delay: 0 hw.regulator.vcc-pll-avcc.ramp_delay: 0 hw.regulator.vcc-pll-avcc.max_uamp: 0 hw.regulator.vcc-pll-avcc.min_uamp: 0 hw.regulator.vcc-pll-avcc.max_uvolt: 3000000 hw.regulator.vcc-pll-avcc.min_uvolt: 3000000 hw.regulator.vcc-pl.uvolt: 3300000 hw.regulator.vcc-pl.always_on: 1 hw.regulator.vcc-pl.boot_on: 0 hw.regulator.vcc-pl.enable_cnt: 0 hw.regulator.vcc-pl.enable_delay: 0 hw.regulator.vcc-pl.ramp_delay: 0 hw.regulator.vcc-pl.max_uamp: 0 hw.regulator.vcc-pl.min_uamp: 0 hw.regulator.vcc-pl.max_uvolt: 3300000 hw.regulator.vcc-pl.min_uvolt: 3300000 hw.regulator.vcc-pe.uvolt: 2800000 hw.regulator.vcc-pe.always_on: 1 hw.regulator.vcc-pe.boot_on: 0 hw.regulator.vcc-pe.enable_cnt: 0 hw.regulator.vcc-pe.enable_delay: 0 hw.regulator.vcc-pe.ramp_delay: 0 hw.regulator.vcc-pe.max_uamp: 0 hw.regulator.vcc-pe.min_uamp: 0 hw.regulator.vcc-pe.max_uvolt: 2800000 hw.regulator.vcc-pe.min_uvolt: 2800000 hw.regulator.vcc-wifi-io.uvolt: 3300000 hw.regulator.vcc-wifi-io.always_on: 0 hw.regulator.vcc-wifi-io.boot_on: 0 hw.regulator.vcc-wifi-io.enable_cnt: 0 hw.regulator.vcc-wifi-io.enable_delay: 0 hw.regulator.vcc-wifi-io.ramp_delay: 0 hw.regulator.vcc-wifi-io.max_uamp: 0 hw.regulator.vcc-wifi-io.min_uamp: 0 hw.regulator.vcc-wifi-io.max_uvolt: 3300000 hw.regulator.vcc-wifi-io.min_uvolt: 3300000 hw.regulator.vcc-avdd-csi.uvolt: 2800000 hw.regulator.vcc-avdd-csi.always_on: 0 hw.regulator.vcc-avdd-csi.boot_on: 0 hw.regulator.vcc-avdd-csi.enable_cnt: 0 hw.regulator.vcc-avdd-csi.enable_delay: 0 hw.regulator.vcc-avdd-csi.ramp_delay: 0 hw.regulator.vcc-avdd-csi.max_uamp: 0 hw.regulator.vcc-avdd-csi.min_uamp: 0 hw.regulator.vcc-avdd-csi.max_uvolt: 2800000 hw.regulator.vcc-avdd-csi.min_uvolt: 2800000 hw.regulator.vcc-mipi.uvolt: 3300000 hw.regulator.vcc-mipi.always_on: 0 hw.regulator.vcc-mipi.boot_on: 0 hw.regulator.vcc-mipi.enable_cnt: 0 hw.regulator.vcc-mipi.enable_delay: 0 hw.regulator.vcc-mipi.ramp_delay: 0 hw.regulator.vcc-mipi.max_uamp: 0 hw.regulator.vcc-mipi.min_uamp: 0 hw.regulator.vcc-mipi.max_uvolt: 3300000 hw.regulator.vcc-mipi.min_uvolt: 3300000 hw.regulator.vcc-hdmi.uvolt: 3300000 hw.regulator.vcc-hdmi.always_on: 0 hw.regulator.vcc-hdmi.boot_on: 0 hw.regulator.vcc-hdmi.enable_cnt: 0 hw.regulator.vcc-hdmi.enable_delay: 0 hw.regulator.vcc-hdmi.ramp_delay: 0 hw.regulator.vcc-hdmi.max_uamp: 0 hw.regulator.vcc-hdmi.min_uamp: 0 hw.regulator.vcc-hdmi.max_uvolt: 3300000 hw.regulator.vcc-hdmi.min_uvolt: 3300000 hw.regulator.vdd-sys.uvolt: 1100000 hw.regulator.vdd-sys.always_on: 1 hw.regulator.vdd-sys.boot_on: 0 hw.regulator.vdd-sys.enable_cnt: 0 hw.regulator.vdd-sys.enable_delay: 0 hw.regulator.vdd-sys.ramp_delay: 0 hw.regulator.vdd-sys.max_uamp: 0 hw.regulator.vdd-sys.min_uamp: 0 hw.regulator.vdd-sys.max_uvolt: 1100000 hw.regulator.vdd-sys.min_uvolt: 1100000 hw.regulator.vcc-ddr3.uvolt: 1360000 hw.regulator.vcc-ddr3.always_on: 1 hw.regulator.vcc-ddr3.boot_on: 0 hw.regulator.vcc-ddr3.enable_cnt: 0 hw.regulator.vcc-ddr3.enable_delay: 0 hw.regulator.vcc-ddr3.ramp_delay: 0 hw.regulator.vcc-ddr3.max_uamp: 0 hw.regulator.vcc-ddr3.min_uamp: 0 hw.regulator.vcc-ddr3.max_uvolt: 1360000 hw.regulator.vcc-ddr3.min_uvolt: 1360000 hw.regulator.dcdc4.uvolt: 1100000 hw.regulator.dcdc4.always_on: 0 hw.regulator.dcdc4.boot_on: 0 hw.regulator.dcdc4.enable_cnt: 0 hw.regulator.dcdc4.enable_delay: 0 hw.regulator.dcdc4.ramp_delay: 0 hw.regulator.dcdc4.max_uamp: 0 hw.regulator.dcdc4.min_uamp: 0 hw.regulator.dcdc4.max_uvolt: 1300000 hw.regulator.dcdc4.min_uvolt: 500000 hw.regulator.dcdc3.uvolt: 1100000 hw.regulator.dcdc3.always_on: 0 hw.regulator.dcdc3.boot_on: 0 hw.regulator.dcdc3.enable_cnt: 0 hw.regulator.dcdc3.enable_delay: 0 hw.regulator.dcdc3.ramp_delay: 0 hw.regulator.dcdc3.max_uamp: 0 hw.regulator.dcdc3.min_uamp: 0 hw.regulator.dcdc3.max_uvolt: 1300000 hw.regulator.dcdc3.min_uvolt: 500000 hw.regulator.vdd-cpux.uvolt: 1100000 hw.regulator.vdd-cpux.always_on: 1 hw.regulator.vdd-cpux.boot_on: 0 hw.regulator.vdd-cpux.enable_cnt: 0 hw.regulator.vdd-cpux.enable_delay: 0 hw.regulator.vdd-cpux.ramp_delay: 0 hw.regulator.vdd-cpux.max_uamp: 0 hw.regulator.vdd-cpux.min_uamp: 0 hw.regulator.vdd-cpux.max_uvolt: 1300000 hw.regulator.vdd-cpux.min_uvolt: 1040000 hw.regulator.vcc-3v3.uvolt: 3300000 hw.regulator.vcc-3v3.always_on: 1 hw.regulator.vcc-3v3.boot_on: 0 hw.regulator.vcc-3v3.enable_cnt: 2 hw.regulator.vcc-3v3.enable_delay: 0 hw.regulator.vcc-3v3.ramp_delay: 0 hw.regulator.vcc-3v3.max_uamp: 0 hw.regulator.vcc-3v3.min_uamp: 0 hw.regulator.vcc-3v3.max_uvolt: 3300000 hw.regulator.vcc-3v3.min_uvolt: 3300000 hw.regulator.usb1-vbus.uvolt: 5000000 hw.regulator.usb1-vbus.always_on: 0 hw.regulator.usb1-vbus.boot_on: 1 hw.regulator.usb1-vbus.enable_cnt: 1 hw.regulator.usb1-vbus.enable_delay: 0 hw.regulator.usb1-vbus.ramp_delay: 0 hw.regulator.usb1-vbus.max_uamp: 0 hw.regulator.usb1-vbus.min_uamp: 0 hw.regulator.usb1-vbus.max_uvolt: 5000000 hw.regulator.usb1-vbus.min_uvolt: 5000000 On Tue, Oct 15, 2019 at 11:59 AM Emmanuel Vadot wrote: > On Tue, 15 Oct 2019 11:46:14 -0400 > Gary Otten wrote: > > > Thanks for your response. > > > > Freebsd Version 12.0-STABLE > > > > root@:/dev # sysctl hw.regulator.vcc-pe > > hw.regulator.vcc-pe.uvolt: 2800000 > > hw.regulator.vcc-pe.always_on: 1 > > hw.regulator.vcc-pe.boot_on: 0 > > hw.regulator.vcc-pe.enable_cnt: 0 > > That's the problem. > Can you try with hw.regulator.disable_unused=0 in /boot/loader.conf ? > Something is wrong somewhere as we should enable this regulator as the > always-on prop is set. I'll try to have a look this week. > > > hw.regulator.vcc-pe.enable_delay: 0 > > hw.regulator.vcc-pe.ramp_delay: 0 > > hw.regulator.vcc-pe.max_uamp: 0 > > hw.regulator.vcc-pe.min_uamp: 0 > > hw.regulator.vcc-pe.max_uvolt: 2800000 > > hw.regulator.vcc-pe.min_uvolt: 2800000 > > > > Yes I am testing the pins with a multimeter, I am not seeing any voltage > > swings at all on Port E. On the external connector I see 5V on pin 1, > 3.3 > > on pin 3 and the correct voltage( software setting) on the other pins, > > except bank E. > > > > PB0-PB4 voltage corresponds to software setting. > > PC4,PC7 voltage corresponds to software setting. > > PE0-PE17 no voltage swings, doesn't work. > > PL7-PL12 voltage corresponds to software setting. > > > > I don't know if it will help, but if I make output on a pin low, still > > when I switch the that pin from In to out, , I see a small voltage swing > > in the milli volt range, but when I switch the PE pins from in to out, I > > don't see that small swing. Its as if they is no software connection to > > the PE pins. > > > > On Tue, Oct 15, 2019 at 7:18 AM Emmanuel Vadot > > wrote: > > > > > > > > Hi Gary, > > > > > > On Mon, 14 Oct 2019 14:46:12 -0400 > > > Gary Otten wrote: > > > > > > > I have successfully booted the FreeBSD on the Olimex board which has > the > > > > Allwinner A64. I have been experimenting with the gpios, again with > > > > success. However the 40 pin connector on the Olimex board exposes > GPIO > > > pins > > > > PB0 - PB4 which function normally (voltage corresponds to software > > > setting > > > > for that pin) and then PE0-PE17 which don't. I have played with > most > > > > of the PE0- PE17 pins with various settings, again nothing works, no > > > signs > > > > of activity. I have successfully lit the LED (PE17) with the armbian > > > > (linux) distribution for this board so I know it should work. > > > > > > > > Example > > > > gpioctl -f /dev/gpioc0 -c PB0 OUT > > > > gpioctl -f /dev/gpioc0 PB0 1 > > > > > > > > The pin PB0 then goes high (1) as expected. > > > > > > > > gpioctl -f /dev/gpioc0 -c PE17 OUT > > > > gpioctl -f /dev/gpioc0 PE17 1 > > > > > > > > No activity on PE17 > > > > > > > > > > > > I have dug into the the driver code a bit and the files containing > the > > > > settings for this board/processor, but I have had no luck figuring it > > > out. > > > > I have studied the Allwinner a64 manual but I haven't had luck > figuring > > > > out any other settings that might work. I think I am missing a > simple > > > > setting but can't figure it out, does anyone know how to get pins > PE0 to > > > > PE17 to work? Thanks. > > > > > > What version of FreeBSD are you booting on this board ? > > > PE is a bit special on the Olinuxino as it's also used for MIPI-CSI > > > and it's drived at 2.8V by default. It's using the regulator ALDO1 from > > > the AXP PMIC and you should be able to confirm that it's enabled by > > > doing sysctl hw.regulator.vcc-pe > > > Check for the .enable sysctl > > > It should be on as there is the always-on property in the DTS. > > > By default I think that the gpio pins are configured for 20mA so I > > > don't know if it would be enough for this led. If you have a multimeter > > > it would be good to confirm if you have any voltage on the ext > > > connector (you can use any PE pins, from what I see from the schematics > > > they are all safe to play with). > > > > > > -- > > > Emmanuel Vadot > > > > > > -- > Emmanuel Vadot >