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How to use HAL_I2C_Master_Transmit() from outside main.c

Question asked by Gerhard on Mar 29, 2016
Latest reply on Mar 30, 2016 by FTITI.Walid
How to use HAL_I2C_Master_Transmit() from outside main.c
This HAL_I2C works when I call it from within main.c.
I created some external i2c_routines.c, but have a hard time defining how/where to get and use HAL_I2C_Master_Transmit() from outside main.c.
The routines work inside of main.c but I want place them in a separate file.

Any help appreciated

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