Re: [Paparazzi-devel] IMU and I2C

[Eduardo lavratti]

I use my own driver.
i posted the link with this driver some week ago.

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From: address@hidden
Date: Wed, 28 Nov 2012 08:03:15 -0700
To: address@hidden
Subject: Re: [Paparazzi-devel] IMU and I2C

eduardo, I was looking at your links, in particular the second. Do you just use the aspirin i2c driver and the baro_bmp driver for it? if not, what do you use?

the link you posted for reference:

http://www.goodluckbuy.com/10dof-module-mwc-flight-control-ms5611-hmc5883l-mpu6050-sensor-module.html

On Wed, Nov 28, 2012 at 12:46 AM, Prof. Dr.-Ing. Heinrich Warmers <address@hidden> wrote:

Hi,
This is one of the drotex,
It wokrs fine wiht the lpc2148 (yapa, tworg) for fixed wing.
They sell also one wiht only the mpu6050 for 17 euros.
You have to cange the slave adress.

On the stmf3 pcb  there is a usb one wire interface to debug and load the program code.
You need only a usb cable about 3 Euro.



Reagads
Heinirch

limaiem imed schrieb:

the last one is the same as this one ?

http://cgi.ebay.fr/IMU-10DOF-MPU6050-HMC5883L-MS5611-Arduino-MultiWii--/280833652536?pt=FR_YO_MaisonJardin_Bricolage_ElectroniqueComposants&hash=item4162fd7738

this one has less outputs ...

Imed LIMAIEM
address@hidden

On Tue, Nov 27, 2012 at 10:24 PM, Eduardo lavratti <address@hidden> wrote:

I use this IMU on me planes:
http://www.goodluckbuy.com/10dof-l3g4200dadxl345hmc5883lbmp085-nine-axis-imu-module.html
http://www.goodluckbuy.com/10dof-module-mwc-flight-control-ms5611-hmc5883l-mpu6050-sensor-module.html
I prefer the second one.

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Date: Tue, 27 Nov 2012 22:11:55 +0100

From: address@hidden
To: address@hidden
Subject: Re: [Paparazzi-devel] IMU and I2C

it would be kind if you show me some good combinations or some good boards.
thanks !

Imed LIMAIEM
address@hidden

On Tue, Nov 27, 2012 at 10:10 PM, Eduardo lavratti <address@hidden> wrote:

Then ... for fixedwinf for sure you can use all sensors in i2c bus.
If you want a cheap i2c sensor i can point you.

I using 2 kind of IMU in all my autopilots.
kind regard.

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Date: Tue, 27 Nov 2012 22:04:02 +0100

From: address@hidden
To: address@hidden
Subject: Re: [Paparazzi-devel] IMU and I2C

Thank Eduardo,

Your explanation is clear and now I understand well how it works

For information I am flying fixed wing.

Regards,  


Imed LIMAIEM
address@hidden

On Mon, Nov 26, 2012 at 12:32 AM, Eduardo lavratti <address@hidden> wrote:

First of all ...
you use the paparazzi on plane or rotorcraft ?

on yapa you can use mpu60x0 + bmp085 on i2c bus without problem.
the board with bmp180 + hmc5883 + mpu60x00 connect all i2c pins together.
The driver is the paparazzi code that control the sensors so you need a driver that control the mpu + bmp180.
this driver not exist.

I sugest that you order a know IMU taht already a driver.
Take care about mpu60x00 + magnetometer because some IMU board have HMC connected directly to MPU6000 so the driver is little diferent.

i already write a driver to use MPU6000 + hmc5883 + ms5611 with hmc connected directly to mpu6000.

regards.

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Date: Sun, 25 Nov 2012 20:41:10 +0100
From: address@hidden
To: address@hidden
Subject: Re: [Paparazzi-devel] IMU and I2C

thank you for this answer.

so if we took the lpc2148 processor and the YAPA 2 board.

I can use MPU6050 sensor on the I2C connector and if I will not be able to use the barometric sensor BMP085 since it needs an I2C connector too ?

Should I understand that the  lpc2148 processor will better work with MPU6000 on SPI and BMP085 on I2C ?

another example, some IMUs boards have BMP180 + HMC5883L + MPU6050 sensors and one unique I2C output. Do I need a driver for this specific board ? or do I need 3 separate drives (one for each sensor ?)

If I plug it to the lpc2148 processor board let's say YAPA will it work ? (assuming I have separately the driver for each one of the sensors ?)
 
Thanks you for your answer.

Imed LIMAIEM
address@hidden

On Sun, Nov 25, 2012 at 11:42 AM, Prof. Dr.-Ing. Heinrich Warmers <address@hidden> wrote:

Dear Imed LIMAIEM,
its differ from the processor type.
Currently i have the MPU6000 (spi)  and MPU6050 (i2c  drotek modules  )   in combination with processor (lpc2148)   i2c barometer (bmp085) and magnetometer running for the LPC2148 for fixed wing and multirotor (MPU6000 spi). It is difficult to hold the 500 Hz for multirotor with the MPU6050.
The base for the MPU6000 driver is the aspirin driver with a new spi interfasce for the spi  interface of the  lpc2148.
For fixed wing (60Hz) the driver aspirin2_i2c works fine with drotek modules.
I will send a push request soon.
It would be nice if we split the asperin driver in 2 parts. One for imu data  and a secound for additonal  i2c  sensors magnetometer and  barometer.

Regards,

Heinrich Warmers
 

limaiem imed schrieb:

Hi all,

I have one simple question.

I see lot of IMU in the market with many combination of sensors (MPU60XX, Barometers ... Magnetometers ...) and many drivers been written for each sensor and each AP architecture with the following combinations:

SPI / STM / I2C/SPI

My question is: Is PPZ code able to recognize each combination ? I mean if I plug an IMU in the I2C port and define well this my airframe code will it work ? or should I modify the drives and so ... ?

Regards,

Imed LIMAIEM
address@hidden

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Thanks,

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