general esp32 / mpu question

[razor950]

Hello

I have an esp32 from HiLetgo. I also have an MPU 9255. I want to know if the following log shows a working 9255. I mostly left it still on the table.

https://nopaste.xyz/?35c2cef5d570a4f6#rl1+EIpTHcsxTk90dUk3Zn9v7aqtTQD36r6SvTjkHDM=

[kriswiner]

looks OK, but did you move the sensor alla round during the mag calibration? Should do.

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On Tue, Mar 20, 2018 at 5:08 PM, r00tz ***@***.***> wrote: Hello I have an esp32 from HiLetgo. I also have an MPU 9255. I want to know if the following log shows a working 9255. I mostly left it still on the table. https://nopaste.xyz/?35c2cef5d570a4f6#rl1+EIpTHcsxTk90dUk3Zn9v7aqtTQD36r 6SvTjkHDM= — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#15>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AGY1qoB16S3_BquEEBRoRVT8hV4u9Quxks5tgZntgaJpZM4Sy11S> .

[razor950]

yes, I usually move it, I did not do it that time.

I need to poke your head then, I've wanted to test this code and so I got the esp32 to spit out the quaternion values like he did. https://github.com/virtuellerealitaet/WearableIMU/

I then use his unreal project to get the rotating cube to rotate but it seems to randomly spew data massively when I don't move the device and if I move it it doesn't really register due to the amount of data being sent / or spammed in this case.

[kriswiner]

Not a sensor problem...

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On Tue, Mar 20, 2018 at 6:09 PM, r00tz ***@***.***> wrote: yes, I usually move it, I did not do it that time. I need to poke your head then, I've wanted to test this code and so I got the esp32 to spit out the quaternion values like he did. https://github.com/virtuellerealitaet/WearableIMU/ I then use his unreal project to get the rotating cube to rotate but it seems to randomly spew data massively when I don't move the device and if I move it it doesn't really register due to the amount of data being sent / or spammed in this case. — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#15 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AGY1qkYwnfPIfQvx4_hluF1vMVnPCe_Jks5tgahRgaJpZM4Sy11S> .

[razor950]

Scanning...
I2C device found at address 0x68 !
done

MPU9250 9-axis motion sensor...
MPU9250 I AM FF I should be 73
Could not connect to MPU9250: 0xFF

I am getting this now and I have tried a few different cables :(

[kriswiner]

Are you using 0x68 as the MPU9250 address? I don't quite understand since the last time everything was working. What did you change?

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On Tue, Mar 20, 2018 at 10:22 PM, r00tz ***@***.***> wrote: Scanning... I2C device found at address 0x68 ! done MPU9250 9-axis motion sensor... MPU9250 I AM FF I should be 73 Could not connect to MPU9250: 0xFF I am getting this now and I have tried a few different cables :( — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#15 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AGY1qprOioxnya1_8LZNOvEGj0C1F5Dmks5tgeOfgaJpZM4Sy11S> .

[razor950]

hey, sorry

I got it all working, my issue with the code I was having trouble with was that the delay of 10 was wrong when i2c clock speed is 400 kHz.