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External Frame Sync (FSYNC) in MPU6050::dmpInitialize()


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Hello,

 

can anyone explain me why Jeff Rowberg

 

1. set the FSYNC-Register, in the MPU6050_6Axis_MotionApps20.h / Function uint8_t MPU6050::dmpInitialize() row 404,  to      Extern_Temp_out_L and

 

2. the  Gyro Range to 2000 instead of 250?

 

Thx for your reply.

 

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Hello joh,
 
The only reasoning behind the code contained in the dmpInitialize() method is that it imitates the behavior captured from the official InvenSense MPU-6050 evaluation board and ARM controller which I had access to back in 2011. The captured and analyzed data can be found here:
 
http://www.i2cdevlib.com/tools/analyzer/1
 
I am not 100% certain whether every one of these I2C transactions is truly necessary.

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