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

Figure 15: Manual Override Jumper

Table 2: Default Values

Contrast 128

Backlight 255

Baud Rate 19.2 kbps

C Slave Address 0x50

Data Lock 0x00

RS232AutoTransmitData True

NOTE The display module will revert back to the old settings once turned off, unless the

settings are saved.

2.6 Filesystem Lock Jumper

The Filesystem Lock Jumper allows you to lock the ﬁlesystem on the GLK12232-25-SM so that no

fonts or bitmaps can be either written or deleted from the on board memory. This feature is useful in order

to protect data integrity of production units, if protection of other settings is required see Section 13

To lock the ﬁlesystem, solder a zero ohm resistor or use a solder jumper pictured in Figure 16 below.

Matrix Orbital GLK12232-25-SM 11

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 69 70

GLK12232-25-SM 1
Technical Manual 1
Revision: 2.1 1
Contents 2
1 Getting Started 6
1.2 Accessories 7
1.3 Features 8
1.4 Connecting to a PC 9
1.5 Installing the Software 9
2 Hardware Information 11
2.2 Protocol Select Jumpers 13
2.5 Manual Override 15
2.6 Filesystem Lock Jumper 16
3 Troubleshooting 17
4 Communications 18
C Communication Summary 19
C Transaction Example 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 I 41
C 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
11.8 Set and Save Contrast 47
12 Filesystem 48
12.2 Wipe Filesystem 50
12.3 Deleting a File 52
12.4 Get Filesystem Space 52
12.5 Get Filesystem Directory 53
12.6 Filesystem Upload 53
12.7 Downloading a File 53
13 Data Security 54
13.2 Set Remember 55
13.3 Data Lock 55
13.4 Set and Save Data Lock 57
13.5 Dump the Filesystem 57
13.6 Write Customer Data 57
13.7 Read Customer Data 57
14 Miscellaneous 58
15 Command Summary 60
15.4 Bitmaps 61
15.5 Bar Graphs and Drawing 61
15.6 General Purpose Output 62
15.7 Keypad 62
15.8 Display Functions 63
15.9 Filesystem 63
15.10 Data Security 64
15.11 Miscellaneous 64
15.12 Command By Number 65
16 Appendix 66
16.2 Optical Characteristics 67
16.3 Physical Layout 67
Figure 19: Physical Diagram 68
16.4 Ordering Information() 69
16.5 Deﬁnitions 69
16.7 Revision History 70

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