Denso BHT-202Q Manual do Utilizador descarregar pdf (Página 43)

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18. Data Communication

The following communication interfaces can be used for communication with the host computer. Of the three

listed below, the IrDA interface and connector interface can be used with the CommSerial class and

FileTransfer class in order to create applications.

• IrDA interface (IrDA-SIR1.2)

• Connector interface

• USB interface

18.1. IrDA Interface

The IrDA interface is assigned to port no. 4.

Communication

Parameter

Setting Default

Transmission

speed (bps)

115200, 57600, 38400, 19200, 9600 115200

The IrDA interface conforms to an IrDA physical layer (IrDA-SIR1.2), and therefore parameters other than

transmission speed are all fixed (vertical parity = none, character length = 8 bits, stop bit length = 1 bit).

18.2. Connector Interface

The connector interface is assigned to port no. 1.

Communication

Parameter

Setting Default

Transmission

speed (bps)

115200, 57600, 38400, 19200, 9600, 4800, 2400, 1200, 600, 300 115200

Vertical parity None, even number, odd number None

Data length 7 bits, 8 bits 8

Stop bit length 1 bit, 2 bits 1

RTS and CTS signal lines are not supported.

18.3. File Transfer

The FileTransfer class can be used to create a file transfer application using Y-modem communication.

In addition to the file itself, the “filename” and “file update date” are also transferred. If, however, the application

at the computer side is not compatible with the file update date, the transfer time will be set for both uploading

and downloading.

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