Asynch Communications Software

HS XMODEM C Source Library by Hillstone Software

HS XMODEM is a software library in C (supplied with full source code) that provides a programmer with the off-the-shelf support for XMODEM protocol data transfer capability. Support for both sender and receiver are provided.

xmodem xmodem protocol serial communications asynch communications win32 com win32 serial

HS COM by Hillstone Software

HS COM is a software library (with full C source code) that allows a calling user application to access serial communication ports (COM devices) under 32-bit MS Windows operating systems. It allows to transmit data, receive data and control the line.

serial serial communications asynch communications win32 com win32 serial c source module