Update wiringPiI2C.c #9
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Without fix the function doesn't work when you connect device in 'i2c-2'.
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I use wiringPiI2C to work with the MPU6050 module and ran into a problem - the wiringPiI2CSetup function returned an error when initializing. I realized that my MPU6050 module is connected to "i2c-2" and the function can not pass the correct argument to the wiringPiI2CSetupInterface function.
I decided to use the wiringPiI2CSetupInterface function without wiringPiI2CSetup wrapper and it worked.