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[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial]

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial2]

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial3]

Key

Type

Description

UseFlowCtrl

DWORD

How and if the control-lines of the UART are used. See UseFlowCtrl

RxFifoHighWater

DWORD

This value is copied to FCR-register, and sets the FIFO-thresholds.

ModRWPrios

DWORD

Read-thread priority. Value between 0 and 255.

Priority256

DWORD

Thread priorities of the driver. (0..255).

DeviceArrayIndex

DWORD

Specifies which UART interface. 0: FFUART, 2: BTUART, 3:STUART, 4:IrDA.

Index

DWORD

Specifies which index is to be used for this COM-driver (COM1:,COM2:,..)

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\IrDA]

DeviceArrayIndex

DWORD

Specifies which UART interface. 0: FFUART, 2: BTUART, 3:STUART, 4:IrDA.

Index

DWORD

Specifies which index is to be used for this COM-driver (COM1:,COM2:,..)

IrDAMode

DWORD

IrDA-Mode. See IrDA-Mode

UseFlowCtrl

How and if the control-lines of the UART are used. If a signal is not used by the serial-driver, it may be used as GPIO or other function by your application or driver.
The first serial port (COM1,FFUART) has all flow-control-lines.
The second port ( COM2, BTUART) only has CTS and RTS.
The third serial port (COM3 or IrDA, STUART) has no flow-control-lines.

...

  • Switch to GPIO on TX-Idle. (BugFix) ( 0x20)

  • RX-polarity: 0=positive-pulses are zeros, 1=negative-pulses are zeros.

  • TX-polarity: 0=positive-pulses are zeros, 1=negative-pulses are zeros.

  • XMode: 0=transmit-pulse-width is 3/16 of a bit-time wide, 1=transmit-pulse-width is 1.6us.

See Also

Connect a UART/RS232/IrDA to a Trizeps