Matrix-orbital GLK12232-25-FGW Manual do Utilizador descarregar pdf (Página 16)

Figure 16: Filesystem Lock Jumper

2.6 Manual Override

The Manual Override is provided to allow the GLK12232-25 to be reset to some of its factory defaults.

This can be particularly helpful if the display module has been set to an unknown baud rate or I

C Slave

Address and you are no longer able to communicate with it. If you wish to return the module to its default

settings you must:

1. Power off the display module.

2. Place a Jumper on the Manual Override pins 1 and 2 as pictured below.

3. Power up the display module.

4. The display module is now set to its default values listed below in table 3.

5. Edit and save settings.

Matrix Orbital GLK12232-25 11

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 65 66

GLK12232-25 1
Technical Manual 1
Revision: 3.0 1
Contents 2
1 Getting Started 6
1.2 Accessories 7
Figure 8: 4X4 Keypad 8
Matrix Orbital GLK12232-25 3 8
1.3 Features 9
1.4 Connecting to a PC 9
1.5 Installing the Software 10
2 Hardware Information 11
2.1 Power/Data Connector 12
2.4 Protocol Select Jumpers 14
2.5 Filesystem Lock Jumper 15
2.6 Manual Override 16
3 Troubleshooting 17
4 Communications 19
4.2 Turn Flow Control On 20
4.3 Turn Flow Control Off 21
4.4 Changing the I 21
C Slave Address 21
4.5 Changing the Baud Rate 22
CrystalSpeed 23
8×DesiredBaud 23
5.1.1 Font File Format 25
5.1.2 Creating a Font 25
5.2 Uploading a Font File 27
5.3 Setting the Current Font 27
5.4 Font Metrics 28
5.5 Set Box Space Mode 28
6.1 Introduction 29
6.2 Move Cursor Home 29
6.5 Auto Scroll On 30
7 Bitmaps 31
7.4 Drawing a Bitmap Directly 32
8 Bar Graphs and Drawing 33
8.3 Draw Pixel 34
8.4 Drawing a Line 34
8.5 Continue a Line 34
8.6 Draw a Rectangle 35
8.7 Drawing a Solid Rectangle 35
8.8 Initializing a Bar Graph 36
8.9 Drawing a Bar Graph 36
8.11 Shifting a Strip Chart 38
9 General Purpose Output 39
10 Keypad 40
10.1.1 I2C Interface 41
10.1.2 RS232 Interface 41
10.4 Poll Key Press 42
10.5 Clear Key Buffer 42
10.6 Set Debounce Time 42
10.7 Set Auto Repeat Mode 43
10.8 Auto Repeat Mode Off 44
10.9 Assign Keypad Codes 44
11 Display Functions 45
11.5 Set Brightness 46
11.6 Set and Save Brightness 46
11.7 Set Contrast 46
12 Filesystem 47
12.1.1 File Upload Protocol 48
Matrix Orbital GLK12232-25 44 49
12.2 Wipe Filesystem 50
12.3 Deleting a File 50
12.4 Get Filesystem Space 50
12.5 Get Filesystem Directory 51
12.6 Filesystem Upload 51
13 Data Security 52
13.2 Set Remember 53
13.3 Data Lock 53
13.4 Set and Save Data Lock 55
13.5 Dump the Filesystem 55
13.6 Writes the Customer Data 55
13.7 Reads the Customer Data 55
14 Miscellaneous 56
15 Command Summary 57
15.2 Fonts 58
15.3 Text 58
15.4 Bitmaps 59
15.5 Bar Graphs and Drawing 59
15.6 General Purpose Output 60
15.7 Keypad 60
15.8 Display Functions 61
15.9 Filesystem 61
15.10 Data Security 62
15.11 Miscellaneous 62
15.12 Command By Number 62
16 Appendix 64
16.2 Optical Characteristics 65
16.3 Physical Layout 65
16.4 Deﬁnitions 65

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