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Introduction

All functions documented here are declared in header file Rtusb.h which must be included in every module using these functions.

Many RTUSB-32 functions return an integer value. If the documentation for the respective function does not explicitly state something different, negative return values indicate an error. Section RTUSB-32 Error Codes lists all possible error return codes. Values greater than or equal to 0 (constant RTU_SUCCESS) indicate success. The meaning of positive return values is documented for each function.

Initialization