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Ken Inoue
Ken Inoue
Associate III
December 1, 2017
Question

Is there a website or sample program for learning I2C communication using two Nucleo boards?

  • December 1, 2017
  • 2 replies
  • 1194 views
Posted on December 01, 2017 at 14:33

Is there a website or sample program for learning I2C communication using two Nucleo boards? As for the sample program, it is better to use STM32Cube MX if possible. Because I am a Japanese, I am struggling to learn I2C. There are few Japanese sites regarding I2C communication.

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    2 replies

    T J
    T J
    Senior III
    December 1, 2017
    Posted on December 02, 2017 at 00:00

    It is difficult to get support for any stage of your understanding.

    try the examples, they are quite straight forward.

    when you have an actual solution that has an issue, then post the issue.

    we will try to help, but we are all busy, so we only look in a few times a day at best.

    IIC or I2C has been around for many years, it is a slow interface but it is only 2 wire.(plus ground)

    most projects have IIC and SPI running

    did you get the serial port running ?  that's the best way to get a debug screen going, where you can print messages to a terminal.

    dont forget in IIC the address is only 7but and shifted up one bit.

    ie 7bitAddress = 8bitAddress <<1

    Ken Inoue
    Ken InoueAuthor
    Associate III
    December 2, 2017
    Posted on December 02, 2017 at 09:12

    I am sorry I could not give you a concrete example. From now on I will ask you specific questions.

    Best Regards,

    Ken Inoue

    john doe
    john doe
    Senior III
    December 2, 2017
    Posted on December 02, 2017 at 01:45

    in the stm32 cube repository for your chip family, you will find examples for i2c between two nucleo boards.

    http://www.st.com/en/embedded-software/stm32cube-mcu-packages.html?querycriteria=productId=LN1897

     
    Ken Inoue
    Ken InoueAuthor
    Associate III
    December 2, 2017
    Posted on December 02, 2017 at 09:20

    Thank you for your reply. I found the sample program. I will try to run the program. Thanks.

    Best Regards, 

    Ken Inoue

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