Biologiaa

use para propria ação

Copyright
2009 Montage Tech - All Rights Reserved
Revisions History

|Date |Version |Author |Description |
|2009-7-22 |Draft |Simon Wu |Initialize draft version |
| | | | |
| | | | |

Contents

Introduction 3 Definition and Acronyms 3
Reference 3
Requirement Table 3
Dependency 3
Use Case 3
Data Flow 3
Logic Flow 3
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Introduction

This topic describes how to control the COM port with the communications functions which provided by Microsoft.

Definition and Acronyms

UART: universal asynchronous receiver-transmitter serial port: communications connector that supports a 16550 UART-compatible interface.
COM port: A COM port is a serial device that complies with additional Windows-specific requirements: 1). You access the COM port through an instance of the COM port device interface class. The GUID for this class is GUID_DEVINTERFACE_COMPORT 2). You operate the COM port by using the 16550 UART-compatible interface. 3). To ensure compatibility with most applications that access COM ports, you should assign