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Re: [gpsd-users] Using gpsctl to put a U-blox chip in low power mode
From: |
Eric S. Raymond |
Subject: |
Re: [gpsd-users] Using gpsctl to put a U-blox chip in low power mode |
Date: |
Tue, 20 May 2014 22:18:52 -0400 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Smith, Ashley M - Exelis <address@hidden>:
> I am trying to use the gpsctl command to put the U-blox MAX7 chip in low
> power mode.
>
> According to the documentation for the chip. The CFG-RXM message is what I
> need to use:
> Header: 0xB5 0X62
> ID: 0x06 0x11
> Length (Bytes): 2
> Payload: Byte offset 0, U1 format, reserved, always set to 8
> Byte offset 1, U1 format, 1pMode, Low power mode
> 0:Continuous, 1:Power Save, 2-3: reserved 4: Continuous Mode, 5-255: reserved.
>
>
> Using
>
> gpsctl -D5 -t "uBlox UBX binary" -e /dev/ttymxc2 -x '\x06\x11\x08\x01'
>
> Output:
> gpsctl -f -D5 -t "uBlox UBX binary" -e /dev/ttymxc2 -x '\x06\x11\x08\x01'
> gpsctl:PROG: uBlox UBX binary driver selected.
> gpsctl:PROG: switch_driver(uBlox UBX binary) called...
> gpsctl:PROG: selecting uBlox UBX binary driver...
> gpsctl:IO: => GPS: UBX class: 06, id: 11, len: 2, crc: 2292
> ยต"'gpsctl:IO: => GPS: b5620611020008012292
>
>
> I am not noticing any difference.
>
> Is there any way to tell if the chip is receiving the command? Any other
> suggestions?
Check the command description to see if it generates an ACK. If it does, watch
for that under -D 5.
--
<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>
- Re: [gpsd-users] Using gpsctl to put a U-blox chip in low power mode,
Eric S. Raymond <=