DualSerial (changes)

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Programmer's Reference Manuals

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» Serial / DualSerial

Introduction

The Serial module (also known by its component name, DualSerial) creates and manages a DeviceFS device for each serial port which the HAL exposes via the HAL UART API.

The DeviceFS devices that are created can be controlled using two protocols:

• The IOCtl protocol described in this document
• The SerialDeviceSupport protocol, which allows the legacy OS_SerialOp SWI to be used to interact with one of the serial ports. Support for this interface was introduced in DualSerial 0.25.

See also

• OS_SerialOp
• SerialDeviceDriver
• SerialDeviceSupport
• HAL UART API