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GLK24064-25
Technical Manual
Revision: 3.0
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Contents Contents ii 1 Getting Started 1 1.1 Display Options Available . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.4 Connecting to a PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.5 Installing the Software . . . . . . . . .
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6 Text 24 6.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 6.2 Move Cursor Home . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 6.3 Setting the Cursor Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 6.4 Setting the Cursor Coordinate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 6.5 Auto Scroll On . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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11 Filesystem 43 11.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 11.1.1 File Upload Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 11.2 Wipe Filesystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 11.3 Deleting a File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 11.4 Get Filesystem Space . . . . . . . . . . . . . . . . . . . .
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1 Getting Started Figure 1: GLK24064-25-WB The GLK24064-25 is an intelligent graphic LCD display designed to decrease development time by 2 providing an instant solution to any project. With the ability to communicate via serial RS-232/TTL and I C protocols, the versatile GLK24064-25 can be used with virtually any controller. The ease of use is further enhanced by an intuitive command structure to allow display settings such as backlight brightness, contrast and baud rate to be software controll
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1.2 Accessories NOTE Matrix Orbital provides all the interface accessories needed to get your display up and running. You will find these accessories and others on our e-commerce website at http://www.matrixorbital.com. To speak with a sales associate see Section 15.5 on page 61 for contact information. Figure 3: 5V Power Cable Adapter Figure 4: 12V Power Cable Adapter (V/VPT Models) Matrix Orbital GLK24064-25 2
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Figure 5: Breadboard Cable Figure 6: Serial Cable 4FT Matrix Orbital GLK24064-25 3
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Figure 7: Communication and 5V Power Cable Figure 8: 4X4 Keypad Matrix Orbital GLK24064-25 4
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1.3 Features ² 240 x 64 pixel graphics display 2 ² Selectable communication protocol, RS-232 or I C ² 128 byte buffered communication ² 5V - 20mA General Purpose Output ² 16 KB flash memory for fonts and bitmaps 2 ² Lightning fast communication speeds, up to 115 kbps for RS-232 and 400 kbps for I C ² Display text using built in or user supplied fonts ² Adjustable contrast ² Adjustable backlight brightness ² Default 19.2 kbps serial communication speed ² Extended temperature available for extreme
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1.4 Connecting to a PC The GLK24064-25 connects 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 page 3, as well as a modified 5V power adapter such as the one pictured in figure 3 on page 2. 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. C
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1.5 Installing the Software 1.5.1 MOGD# MOGD# is the latest updated version of MOGD and can be used to manage font and graphics downloads as well as exercise all of the features of our graphical displays. MOGD# provides a new user friendly interface as well as many feature enhancements. To install MOGD# from the Matrix Orbital CD, follow the following steps: 1. Insert the Matrix Orbital Cd-ROM into the Cd drive 2. Locate the file MogdSharp.zip, which should be in the “cd-drive:\Download” director
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2 Hardware Information Refer to the following diagram for this chapter: 1 DB-9 Connector 6 Legacy Connector Jumper 2 Power Through DB9 Jumper 7 Protocol Select Jumpers 3 Manual Override 8 File System Lock Jumper 4 Keypad Interface Connector 5 Power / Data Connector Figure 11: GLK24064-25 2.1 DB-9 Connector The GLK24064-25 provides a DB-9 Connector to readily interface with serial devices which use the EIA232 standard signal levels of§12V to§12V. It is also possible to communicate at TTL levels o
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2.1.1 Power Through DB-9 Jumper In order to provide power through pin 9 of the DB-9 Connector you must place a solder jumper on the Power through DB-9 Jumper pictured in figure 13 below. The GLK24064-25 allows all voltage models to use the power through DB-9 option, see table 1 on the following page for display module voltage requirements. Figure 13: Power Through DB-9 Jumper WARNING Do not apply voltage through pin 9 of the DB-9 connector AND through the Power/Data Connector at the same time. 2.
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Table 1: Power Requirements Standard -V -VPT Supply Voltage +5Vdc§0.25V +9V to +15V +9V to +35V Supply Current 31 mA typical Supply Backlight Current 160 mA typical WARNINGS ² Do not apply any power with reversed polarization. ² Do not apply any voltage other than the specified voltage. 2.2.1 Legacy Data Connector Jumpers To reverse pins two and three of the Power/Data Connector remove the zero ohm resistors from the Legacy Data Connector Jumpers, labeled with the = symbol and place them on the j
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Similarly, in order to change the display to TTL mode, simply remove the zero ohm resistors from the 232 2 or I C jumpers and solder them to the TTL jumpers. Figure 16: Protocol Select Jumpers 2.4 Keypad Interface Connector The GLK24064-25 provides a Keypad Interface Connector which allows for up to a five by five matrix style keypad to be directly connected to the display module. Key presses are generated when a short is detected between a row and a column. When a key press is generated a charact
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2.5 Manual Override The Manual Override is provided to allow the GLK24064-25 to be reset to factory defaults. This can be 2 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 modu
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2.6 Filesystem Lock Jumper The File System Lock Jumper allows you to lock the file system on the GLK24064-25 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 12.1. To lock the file system, solder a zero ohm resistor or use a solder jumper on the Filesystem Lock Jumper pictured in figure 19 below. Figure 19: File System Lock Jump
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² Second, please ensure that the display module is set to communicate on the protocol that you are using, by checking the Protocol Select Jumpers. To change the protocol used by the display module see Section 2.3 on page 10. ² Third, ensure that the host system and display module are both communicating on the same baud rate. The default baud rate for the display module is 19200 bps. 2 ² If you are communicating to the display via I C please ensure that the data is being sent to the correct addre
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4 Communications 4.1 Introduction 2 The commands listed in this chapter describe how to configure data flow on the RS232/TTL and I C port. The display has built in flow control which may be useful when long strings of text are downloaded to the display. Flow control is enabled or disabled by two commands. If flow control is enabled, the display will return an "almost full" message (0xFE) to the controller when its internal buffer fills to a defined level, and an "almost empty" message (0xFF) when the
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4.2 Turn Flow Control On Hexadecimal 0xFE 0x3A [full] [empty] Syntax Decimal 254 58 [full] [empty] ASCII 254 “:” [full] [empty] Parameters Parameter Length Description full 1 The upper limit to issue an empty 1 The lower limit to issue an Description This command enables flow control. When the buffer fills so that only [full] bytes are available, the display will return an “almost full” mes- sage (0xFE) to the host controller. When the buffer empties so that only [empty] bytes remain, the display
