Dr Warmers,
The design is done by Michel Gorraz using Protel 99, just like the
Tiny2 and Twog. The magnetometer is a standard hmc5883, not the L
version. It looks like the only difference is the output rate. Is
there any other difference ?
Gautier
On 17/08/2011 21:51, Prof. Dr.-Ing. Heinrich Warmers wrote:
Dear Gautier Hattenberger,
nice to hear that the LPC2148 is not death. Are your doing the
PCBs-desing with eagle? For eagle there is a mounting service by
pcb-pool.
Is the magnet sensor the hmc5883L ?
Can you post same pictures?
Regards
Heinrich Warmers
Gautier Hattenberger schrieb:
Dear all,
The "ins_arduimu_basic" firmware and the related paparazzi module
have been updated in the master branch.
This should fix a bug concerning the gps data format sent to the
arduimu.
The other important change is the air/ground start mechanism. Now,
the arduimu always reads the values stored in the eeprom (gyro and
accel neutrals). The calibration is triggered by the autopilot (can
be controlled by a setting from the GCS or by the flight plan for
example). The main advantage is that the arduimu board is flashed
only once. This calibration is only possible if the speed is low
enough to prevent in-flight recalibration. The setting file to add
is "ins_arduimu_basic.xml" in conf/settings. It provides the
ins_neutral_roll and _pitch, and the calibration flag.
If you are using this code, take care to have a matching
firmware/module (re-flash the arduimu with the latest arduimu_basic
firmware if you've just updated to latest master).
Please report any trouble with this new code. It will be the last
updates probably, as arduimu is not produced anymore.
With the aim of replacing them, we are developing two new boards
(Umarim and NavGo) for our specific applications. They are small
autopilots based on lpc2148 and integrating IMU parts (itg3200,
adxl345 and hmc5883, just to be original...) without GPS, designed
for small fixedwing and quadrotors uavs. First prototypes have been
build and a first version will be published (probably by the end of
September) after some debugging and testing. If you ask, it doesn't
do more than the Lisa/M, it just matches our needs and it gives some
work to our electronic guys...
Some drivers have been wrote for the IMU part. It factorized some of
the code already used for aspirin and ppz_imu. It allows to
configure the sensors to use with i2c without interrupts handling
for now. These drivers could probably be improved and used for the
other IMUs.
Gautier Hattenberger
for ENAC UAV Lab
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