| Zipit Wireless Messenger Z2 | |
|---|---|
 | |
| Participants | Anus, User:buzz |
| Skills | We'll see |
| Status | Planning |
| Niche | |
| Purpose | |
| Tool | No |
| Location | |
| Cost | |
| Tool category | |
zipit-vanity2.jpg {{#if:No | [[Tool Owner::{{{ProjectParticipants}}} | }} {{#if:No | [[Tool Cost::{{{Cost}}} | }}
Specs
- PXA270 @ ~100-450Mhz
- 32MB RAM, 8MB Flash, MiniSD slot
- 2.8" 320x240 screen
- 802.11bg wifi, Audio (also input), USB host&otg (on weird connector)
- Backlit keyboard <3
Mods
Battery
It turns out that a Nokia BP-4L LiPo battery fits perfectly. without any modifications to the case. Uncertain if thermistor matches specs, but it does seem to charge. As an added advantage, this battery is 1500mAh instead of stock 1250mAh.
Update to battery mod;
Mozzwald made this script ; http://mozzwald.com/zipit/openwrt/chrgstat which showed that the battery wasn't charging at all.
Measuring the thermistor leads from the Nokia battery showed me it had a 119k resistance at roomtemperature, way too high for the charge circuit. I now put just a 9.1K resistor between the thermistor lead and GND, and, its charging \o/
- http://www.ti.com/lit/ds/symlink/bq24030.pdf documentation for the charging circuit.
openwrt build
Just to mess around, i went to build openwrt.
Removed all feeds besides the first, added this one;
Needed to do some mods to m4 and bison;
build_dir/host/bison-2.4.3/lib/stdio.h build_dir/host/m4-1.4.16/lib/stdio.h
/*_GL_WARN_ON_USE (gets, “gets is a security hole – use fgets instead”);*/ #define gets(a) fgets( a, sizeof(*(a)), stdin)
Also disabled the makeinfo in gcc
MAKEINFO=missing
In openwrt's config this needs to be enabled to pull in real iconv, but doesnt seem to work thusfar ...
CONFIG_BUILD_NLS
Links
- dump of stuff i need/want to save on http://space.nurdspace.nl/~buzz/zipit/
