Matrix-orbital GLK240128-25 Manual do Utilizador descarregar pdf (Página 23)

18 Command Summary

6 Commands

6.1 Communication

1.1 Change

Baud Rate

Dec

Hex

ASCII

254 57

FE 39

■ 9

Speed

v8.0

Immediately changes the baud rate. Not available in I2C. Baud rate can be temporarily forced to 19200 by a

manual override.

Speed

Byte

Valid settings shown below.

Table 16: Accepted Baud Rate Values

Rate

9600

14400

19200

28800

38400

57600

76800

115200

Speed

207

138

103

1.2 Change I2C

Slave Address

Dec

Hex

ASCII

254 51

FE 33

■ 3

Address

v8.0

Immediately changes the I2C write address. Only even values are permitted as the next odd address will become

the read address. Default is 80.

Address

Byte

Even value.

1.3 Transmission

Protocol Select

Dec

Hex

ASCII

254 160

FE A0

■ á

Protocol

v8.0

Selects the protocol used for data transmission from the display. Data transmission to the display is not affected.

Must be set to the protocol in use to receive data correctly.

Protocol

Byte

1 for Serial (RS232/RS422/TTL/USB) or 0 for I2C.

1.4 Set Flow

Control Mode

Dec

Hex

ASCII

254 63

FE 3F

■ ?

Mode

v8.0

Toggles flow control between hardware, software and off settings. Software and Hardware control can be further

tuned using the settings above. Default is Hardware, or 2.

Mode

Byte

Flow control setting as below.

Table 17: Hardware Flow Control Trigger Levels

Bytes

Level

Table 18: Flow Control Settings

Flow Control

None

Software

Hardware

Mode

1.5 Set Hardware

Flow Control

Trigger Level

Dec

Hex

ASCII

254 62

FE 3E

■ >

Level

v8.0

Sets the hardware flow control trigger level. The Clear To Send signal will be deactivated once the number of

characters in the display buffer reaches the level set; it will be reactivated once all data in the buffer is handled.

Level

Byte

Trigger level as above.

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 69 70

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