From da1eb232694b39b9179f7cc87302d4e107dc608d Mon Sep 17 00:00:00 2001 From: KemoNine Date: Sat, 13 Apr 2019 22:00:40 +0100 Subject: [PATCH 1/2] Add more pine64 notes --- hardware/pine64.md | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/hardware/pine64.md b/hardware/pine64.md index 0eb30ae..d6d27bc 100644 --- a/hardware/pine64.md +++ b/hardware/pine64.md @@ -4,3 +4,17 @@ Some useful links - [Pinouts](http://joey.hazlett.us/pine64/Pine%20A64%20Pin%20Assignment%20160119.pdf) - [Battery Status/Level Script (3.10.x kernel only)](https://gist.github.com/pfeerick/05e5715733f00dcf303636c80abff598) + + +## Misc Notes + +- Set ```console=serial``` in ```/boot/armbianEnv.txt``` to put *all* boot output on the serial console. +- If an emmc is installed in a sopine and blank, boot of armbian on an sd card will fail +- The sopine carrier board appears to have a 1.35mm barrel jack. Link to usb wire: [Amazon](https://amazon.com/gp/product/B01N2UILL7) +- The emmc, a64 and other large, non axp803 chips can take a 15mmx15mm heat sink. This one is good: [Mouser](https://www.mouser.com/ProductDetail/984-ATS-52150G-C1-R0) +- The pine64 3d printed cases need a little extra material removed around the micro-usb area to facilitate the sopine carrier board dc barrel jack connector +- Button top batteries probably will *NOT* work with the 18650 battery pack, use flat tops. Only 1/2 ish of the battery top will be exposed to contacts on the positive side of the pack +- PPS is broken in 4.19 kernels as of 2019/04/12 ; 4.14.x may be required for reliable PPS ; this is only needed if you want to build a stratum 0 ntp server +- As of 4.19.34 the ```/sys/class/power_supply``` device nodes appear to be populated, the existing 3.10.x kernel scripts for showing battery status can be adapted for the new device node names +- The axp803 appears to charge the battery pack even with 2 cores of the CPU at max, persistent load, adding persistent usb load on a usb disk will "net 0" the charger. You'll want a semi-idle setup for the batteries to charge over time with a sopine. +- The Samsung 3000mah 18650 batteries are a good fit for the battery pack sold by pine64.org and have good capacity and amp ratings. From b45180be51fd58ccfeee0fe719c5211ae7dd7f49 Mon Sep 17 00:00:00 2001 From: KemoNine Date: Sat, 13 Apr 2019 22:03:13 +0100 Subject: [PATCH 2/2] Add battery status script to pine notes --- hardware/pine64.md | 1 + 1 file changed, 1 insertion(+) diff --git a/hardware/pine64.md b/hardware/pine64.md index d6d27bc..062d370 100644 --- a/hardware/pine64.md +++ b/hardware/pine64.md @@ -16,5 +16,6 @@ Some useful links - Button top batteries probably will *NOT* work with the 18650 battery pack, use flat tops. Only 1/2 ish of the battery top will be exposed to contacts on the positive side of the pack - PPS is broken in 4.19 kernels as of 2019/04/12 ; 4.14.x may be required for reliable PPS ; this is only needed if you want to build a stratum 0 ntp server - As of 4.19.34 the ```/sys/class/power_supply``` device nodes appear to be populated, the existing 3.10.x kernel scripts for showing battery status can be adapted for the new device node names +- This is a good battery status script [https://gist.github.com/pfeerick/05e5715733f00dcf303636c80abff598](https://gist.github.com/pfeerick/05e5715733f00dcf303636c80abff598) - The axp803 appears to charge the battery pack even with 2 cores of the CPU at max, persistent load, adding persistent usb load on a usb disk will "net 0" the charger. You'll want a semi-idle setup for the batteries to charge over time with a sopine. - The Samsung 3000mah 18650 batteries are a good fit for the battery pack sold by pine64.org and have good capacity and amp ratings.