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Raspberry PI I2C protocol

tomas111
2021-09-24
2021-09-27
  • tomas111

    tomas111 - 2021-09-24

    I want to receive data in Codesys on I2C, I didn't find examples. Tell me there is info how to get data? Data in the Raspberry itself through the console I see. But how to see bytes in Codesys?

     
  • tomas111

    tomas111 - 2021-09-27

    I wanted to read all bytes using the i2C_Master.Read method. I could not get.
    On the I2C devices tab, I see at the beginning of the address -1 after the i2c_master.read method is performed in the address changed. The variable from the bytes is 0, then the bytes are not received. What to do? How to get bytes?

     

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