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Interfacing NUC140 Learning board to simulink

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mr. wang 2016-11-20

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评论： mr. wang 2016-11-25

采纳的回答： Walter Roberson

is there any idears to use NUC140 Learning board to simulink via USB or UART? Is there any hardware support packages for NUC140 Learning board? if i want to interface NUC140 Learning board to simulink,what packages or models should i have to download? or it just can be interfaced via matlab program?

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Walter Roberson 2016-11-20

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Someone create a video about interfacing by UART https://www.youtube.com/watch?v=2ulay_EHuBs

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mr. wang 2016-11-21

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is it possible to do it via simulink?

Walter Roberson 2016-11-21

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Yes. https://www.mathworks.com/help/instrument/serialsend.html

In the video it appears to me that they have written C or C++ code already and use MATLAB to send data to the board. They are not using MATLAB or Simulink to generate code for the board. Simulink does not support the device as a "target", but Simulink is happy to send data over a serial port.

mr. wang 2016-11-21

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编辑：Walter Roberson 2016-11-21

i programed c code via coocox platform to get imu data and use uart to print data. however i want to do this https://www.youtube.com/watch?v=04QI08JNSnw and i want to use simulink to plot the curves, but i didn't find any support packages for the hardware which i using. is it just for specific hardware (arduino,stm,raspberry pi)? can i use uart or usb to implement it? or it can't be implemented unless i buy the communication interface. is that right?

Walter Roberson 2016-11-21

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Hardware support is for specific hardware or specific classes of hardware.

You should be able to use serial to communicate with it.

I am checking to see if the necessary blocks are in basic Simulink; it is possible that you would need to have Instrument Control Toolbox, or else that you would need to use MATLAB Function block.

Walter Roberson 2016-11-21

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The Serial Receive block is not present in basic Simulink.

You might be able to use Function Call Generator to call a MATLAB Function block that uses fgets() to get values from the serial port. You would have to watch out for buffering (values might sometimes come in faster than the block is called) and you would have to watch out for underruns (the block might be called when no data is available.)

mr. wang 2016-11-22

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编辑：mr. wang 2016-11-22

https://www.mathworks.com/help/instrument/serialreceive.html i found this.is that your said "the Serial Receive block"?if that is true,i can use simulink to plot imu data from nuc140 via serial port,right? by the way,what is real-time interface?is that mean i can adjust parameter value(ex:pid controller parameter) and program to my chip when my model is in busy? you are really helpful for me,thanks a lot.

Walter Roberson 2016-11-22

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That is part of the instrument control toolbox. If you have that toolbox then you should use that block

mr. wang 2016-11-25

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编辑：mr. wang 2016-11-25

uint8_t q[0]; q[0]=1; DrvUART_Write (UART_PORT0 ,q[0],1); i programed this code to send uint8 data to simulink and diplay it,but the value was not i sent to in display block. i don't know what to do.what parameter should i have to set?