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# 1.1.2.4.18 DRV_I2C_TRANSFER_HANDLE_INVALID Macro

## C

    #define DRV_I2C_TRANSFER_HANDLE_INVALID ((DRV_I2C_TRANSFER_HANDLE)(-1))

## Summary

Definition of an invalid transfer handle.

## Description

This is the definition of an invalid transfer handle. An invalid transfer handle is returned by DRV_I2C_ReadTransferAdd, DRV_I2C_WriteTransferAdd and DRV_I2C_WriteReadTransferAdd functions if the buffer add request was not successful.

## Remarks

None