AP200: Unterschied zwischen den Versionen

Version vom 12. Februar 2010, 14:51 Uhr

Information

bootloader

+Ethernet eth0: MAC address 00:d0:12:01:39:09
IP: 192.168.115.254/255.255.255.0, Gateway: 192.168.115.200
Default server: 192.168.115.113, DNS server IP: 192.168.115.200

RedBoot(tm) bootstrap and debug environment [ROM]
Red Hat certified release, version 1.92p1 - built 16:53:03, Mar 26 2004

Platform: GW2342 Development Platform (XScale)
Copyright (C) 2000, 2001, 2002, Red Hat, Inc.

RAM: 0x00000000-0x04000000, 0x0001f880-0x03fd1000 available
FLASH: 0x50000000 - 0x51000000, 128 blocks of 0x00020000 bytes each.
RedBoot>

fconfig

RedBoot> fconfig -l
Run script at boot: false
Use BOOTP for network configuration: false
Gateway IP address: 192.168.115.200
Local IP address: 192.168.115.254
Local IP address mask: 255.255.255.0
Default server IP address: 192.168.115.113
Console baud rate: 115200
DNS server IP address: 192.168.115.200
GDB connection port: 9000
Force console for special debug messages: false
Network debug at boot time: false
Default network device: npe_eth0
RedBoot>

fis

RedBoot> fis list
Name              FLASH addr  Mem addr    Length      Entry point
RedBoot           0x50000000  0x50000000  0x00040000  0x00000000
RedBoot config    0x50FC0000  0x50FC0000  0x00001000  0x00000000
FIS directory     0x50FE0000  0x50FE0000  0x00020000  0x00000000
RedBoot>

i2c

hm, handbuch lügt wohl.

root@OpenWrt:/# i2cdetect 0
WARNING! This program can confuse your I2C bus, cause data loss and worse!
I will probe file /dev/i2c-0.
I will probe address range 0x03-0x77.
Continue? [Y/n] Y
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:          -- -- -- -- -- -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- UU -- -- -- -- -- -- --
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: 50 UU UU UU UU -- -- -- -- -- -- -- -- -- -- --
60: -- -- -- -- -- -- -- -- UU -- -- -- -- -- -- --
70: -- -- -- -- -- -- -- --
root@OpenWrt:/#

messen

prüfen ob der treiber geladen ist

root@OpenWrt:/# dmesg | grep -i ad7418
ad7418 0-0028: ad7418 chip found
ad7418 0-0028: configuring for mode 1
root@OpenWrt:/#

Temperatur

root@OpenWrt:/# cat /sys/bus/i2c/devices/0-0028/temp1_input
37000
root@OpenWrt:/#

WERT / 1000 in °C (37000/1000 => 37,0 °C)

Versorgungsspannung

root@OpenWrt:/# cat /sys/bus/i2c/devices/0-0028/in1_input
583
root@OpenWrt:/#

(WERT / 1024) * 2,5(V max. Messbereich) * 10(Vorteiler) in V (583/1024)*2,5*10 => 14,23V