Matrix-orbital GLK240128-25 Legacy Uživatelský manuál Strana 8
- Strana / 67
- Tabulka s obsahem
- ŘEŠENÍ PROBLÉMŮ
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
Figure 8: 4X4 Keypad
1.3 Features
• 240 x 128 pixel graphics display
• Selectable communication protocol, Serial at RS-232 or TTL levels or I
2
C
• 16 KB flash memory for fonts and bitmaps
• Lightning fast communication speeds, up to 115 kbps for RS-232 and 100 kbps for I
2
C
• Adjustable contrast and backlight brightness
• Extended temperature available for extreme environments of -20C to 70C
• Extended voltage and efficient power supply available
• Support for up to a twenty-five key matrix style keypad
1.4 Connecting to a PC
The GLK240128-25connects seamlessly to a PC and it is an excellent means of testing the functionality
and uploading new fonts and bitmaps. You will require a standard RS-232 9-pin serial cable such as the one
pictured in figure 6 on the previous page, as well as a modified 5V power adapter such as the one pictured in
figure 3 on the preceding page.
In order to connect your display to a personal computer follow these easy instructions:
1. Plug the serial cable into the com port you wish to use.
2. Connect the modified 5V power adapter to a power lead from your PC power supply (you will have to
open your computer case).
3. Connect the serial cable to the DB-9 connector on the back of the display.
4. Connect the 5V power adapter to the 4-pin connector on the back of the display.
Matrix Orbital GLK240128-25 3
- GLK240128-25 1
- Technical Manual 1
- Revision: 1.1 1
- Contents 2
- 1 Getting Started 6
- 1.2 Accessories 7
- 1.3 Features 8
- 1.4 Connecting to a PC 8
- 1.5 Installing the Software 9
- 2 Hardware Information 10
- 2.1 DB-9 Connector 11
- 2.2 Power/Data Connector 13
- 2.3 Protocol Select Jumpers 14
- 2.5 Manual Override 15
- 2.6 Filesystem Lock Jumper 16
- 3 Troubleshooting 17
- 4 Communications 18
- C Transaction Example 19
- 4.1.3 Serial Communication 19
- 4.2 Turn Flow Control On 20
- 4.3 Turn Flow Control Off 20
- 4.4 Changing the I 21
- C Slave Address 21
- 4.5 Changing the Baud Rate 21
- CrystalSpeed 22
- 8×DesiredBaud 22
- 5.1.1 Font File Format 24
- 5.1.2 Creating a Font 24
- 5.2 Uploading a Font File 26
- 5.3 Setting the Current Font 26
- 5.4 Font Metrics 27
- 5.5 Set Box Space Mode 27
- 6.1 Introduction 28
- 6.2 Move Cursor Home 28
- 6.5 Auto Scroll On 29
- 7 Bitmaps 30
- 7.4 Drawing a Bitmap Directly 31
- 8 Bar Graphs and Drawing 32
- 8.3 Draw Pixel 33
- 8.4 Drawing a Line 33
- 8.5 Continue a Line 33
- 8.6 Draw a Rectangle 34
- 8.7 Drawing a Solid Rectangle 34
- 8.8 Initializing a Bar Graph 35
- 8.9 Drawing a Bar Graph 35
- 8.11 Shifting a Strip Chart 37
- 9 Keypad 38
- 9.4 Poll Key Press 39
- 9.5 Clear Key Buffer 40
- 9.6 Set Debounce Time 40
- 9.7 Set Auto Repeat Mode 41
- 9.8 Auto Repeat Mode Off 42
- 9.9 Assign Keypad Codes 42
- 10 Display Functions 43
- 10.5 Set Brightness 44
- 10.6 Set and Save Brightness 44
- 10.7 Set Contrast 44
- 10.8 Set and Save Contrast 45
- 11 Filesystem 46
- 11.2 Wipe Filesystem 48
- 11.3 Deleting a File 50
- 11.4 Get Filesystem Space 50
- 11.5 Get Filesystem Directory 51
- 11.6 Filesystem Upload 51
- 11.7 Downloading a File 51
- 12 Data Security 52
- 12.2 Set Remember 53
- 12.3 Data Lock 53
- 12.4 Set and Save Data Lock 55
- 12.5 Dump the Filesystem 55
- 12.6 Write Customer Data 55
- 12.7 Read Customer Data 55
- 13 Miscellaneous 56
- 14 Command Summary 58
- 14.4 Bitmaps 59
- 14.5 Bar Graphs and Drawing 59
- 14.6 Keypad 60
- 14.7 Display Functions 61
- 14.8 Filesystem 61
- 14.9 Data Security 61
- 14.10 Miscellaneous 62
- 14.11 Command By Number 62
- 15 Appendix 64
- Figure 21: Physical Diagram 65
- 15.3 Ordering Information 66
- 15.4 Definitions 66
- 15.6 Revision History 67
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