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Multiple MPU support #4
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Hi, MPUs are I2C device so you can have multiple devices easily connected What you are looking for is the mpu.cpp file. The open and update method On 16 February 2015 at 20:09, letaureau notifications@github.com wrote:
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Hi,gregd72002 . I just use your modified files for my hardware. everything works well but there is a problem about fifo. The settled fifo rate could not higher than 200HZ, and if i set the rate at 200Hz , the output data is really at a low speed approximately 2 second could output a message. do you have any solutions for that? |
i discover that it is the i2c problem where quaternions would be 16 bits data , so how could i let i2c read 16 bits data from the fifo? |
sorry it's my fault, the problem is that sometime there will be no enough fifo packet to read and these caused some error roll data, do you have some solutions for that? |
Hi, I'm using the I²C Multiplexer TCA9548A to read 6 MPU-9250 at once. You mentioned that we need to modify the open and update methods in mpu.cpp to pass an address. But I really can't figure out where this address is used, could you give me some hints? |
Hi thanks for the awsome libary greg. Im also trying to get two mpus to work. I tried to pass the address to the update function and call the select device function. But unfortunately it doesent work. When pass the address in the setup it works. |
Hi,
As Arduino Mega has 2 SDA SCL ports i was thinking to incorporate 2 or more MPUs in 1 arduino.
Can you guide me how to modify the code so it reads both MPU data?
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