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The TGUS screen is internally designed with 256-byte register for controlling hardware operation. For example, backlight adjustment, clock reading, modification of buzzer beep time, etc.

Address

Definition

R/W

Byte Length

Description

0x00

Version

R

1

Firmware version number, Bin format, version number *10,0x10 indicates that the version number is V1.0

0x01

LIG_INT

R/W

1

Back brightness control register,0x00-0x40.

0x02

BUZ_TIME

W

1

The control buzzer beep time register, Unit: 10ms.

0x03

PIC_ID

R/W

2

Write: Set the picture number that you currently need to display.

Read: Get the currently displayed picture number

0x05

TP_Flag

R/W

1

0xAA= Touch screen coordinates are updated: Other = Touch screen coordinates are not updated.

The user must clear the mark after reading the data, otherwise the touch screen data will not be updated any more.

0x06

TP_Status

R

1

0x01= First press  0x03= Press all the time  

0x02= Lift        other = Invalid

0x07

TP_Position

R

4

Screen press coordinates position: X_H:L Y_H:L

0x0B

TPC_Enable

R/W

1

0x00= Touch does not enable; Other = Touch enabled (on the default for 0xFF)

0x0C-0x1E

RESERVE

R/W

17

Reserved

0x1F

RTC_COM_ADJ

W

1

Write 0x5A means that the user will update the RTC data,

it automatically clear zero after the update is completed.

0x20

RTC_NOW

R/W

14

Read: Get RTC YY:MM:DD:WW:HH:MM:SS year month day week hour minute second (BCD code)

Write: Set clock YY:MM:DD:WW:HH:MM:SS (BCD code)

0x27-

0xFF

RESERVE

R/W

25

Reserved