Arduino Mega 2560 cannot read sensor using I2C block in simulink

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MUHAMMAD AMMAR MASDIM 2018-4-11

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https://ww2.mathworks.cn/matlabcentral/answers/394228-arduino-mega-2560-cannot-read-sensor-using-i2c-block-in-simulink

回答： Madhu Govindarajan 2018-4-17

I am using MPU6050 in my project and to read the data from it in my simulink. My Microcontroller for this project is Arduino Mega 2560. I have use the register value in the I2C block with the reference from the register value in the sensor register datasheet but the problem is the data not appear even there is no error appear. Before this I'm using Arduino Uno and able to read the value.

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Hans Scharler 2018-4-12

What is connected to the I2C?

MUHAMMAD AMMAR MASDIM 2018-4-12

I want to read MPU6050 data through I2C read Arduino block in simulink.

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Answer 1

Madhu Govindarajan 2018-4-17

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https://ww2.mathworks.cn/matlabcentral/answers/394228-arduino-mega-2560-cannot-read-sensor-using-i2c-block-in-simulink#answer_315649

Based on this link here - https://playground.arduino.cc/Main/MPU-6050#short

It looks like there is some sort of wake up code that you need to write at the specified address. I would attempt doing that with I2C write blocks and see if that helps.

Madhu