Graphic LCD

Started by kuinton in 68HC1213 years ago 4 replies

Hey all, Has anyone here used a Graphic LCD in the near past? I'm trying to Interface a Graphic LCD to my HC12 microcontroller......

Hey all, Has anyone here used a Graphic LCD in the near past? I'm trying to Interface a Graphic LCD to my HC12 microcontroller... Any reccomendations on the LCD and any available source code? Thanks, Quinton.


Please help with LCD / Keypad code

Started by cubddh2003 in 68HC1214 years ago 5 replies

Hi, iv been trying to hook up a keypad and an LCD to my adapt812 and for some reason none of them are working. Can someone please...

Hi, iv been trying to hook up a keypad and an LCD to my adapt812 and for some reason none of them are working. Can someone please post the initialization software for the LCD and/or keypad. For the keypad i am using PORTJ. I am not able to write data to the LCD. I am grounding pi


lcd display

Started by Lerzan Celikkanat in 68HC1213 years ago 4 replies

Hi I'm trying to develop this LCD display for a school project. I wrote a piece of code for the LCD display but the LCD...

Hi I'm trying to develop this LCD display for a school project. I wrote a piece of code for the LCD display but the LCD screen doesn't print anything. Could someone tell me what is wrong with my code? (below) PORTT EQU $0240 PORTM EQU


Graphic LCD x HC12

Started by fhgrossi in 68HC1211 years ago 2 replies

Hi, everyone! I'm trying to develop a Human-Machine interface using a combo Keypad, graphic lcd Panasonic EDMGRB8KJF (7.8 inch STN colored...

Hi, everyone! I'm trying to develop a Human-Machine interface using a combo Keypad, graphic lcd Panasonic EDMGRB8KJF (7.8 inch STN colored passive matrix type. The display consists of 640 x 3(RGB) x 480 dots). Unfortunatelly, I've had problems in integrating the LCD on my HC12 EVM board. All else fails: I can't find documentation about LCD type (same at Matsushite Electric Co.!), I c...


SEEKING HELP IN INTERFACING LCD AND KEYPAD

Started by miron in 68HC128 years ago 3 replies

HAI; I WOULD LIKE TO GET A SAMPLE PROGRAM IN INTERFACING LCD AND KEY PAD SUCH THAT DATA ENTERED IN THE KEYPAD WILL BE DISPLAYED ON...

HAI; I WOULD LIKE TO GET A SAMPLE PROGRAM IN INTERFACING LCD AND KEY PAD SUCH THAT DATA ENTERED IN THE KEYPAD WILL BE DISPLAYED ON LCD......................... ------------------------------------


VCC and Ground

Started by Thai in 68HC128 years ago 6 replies

Hello all, I just purchased a Minidragon plus2 board and would like to interface it with a 16x2 LCD display but I could not find where VCC and...

Hello all, I just purchased a Minidragon plus2 board and would like to interface it with a 16x2 LCD display but I could not find where VCC and GROUND on the board to power the LCD. Also do I really need a 10K POT to turn on the LCD or is it for contrast control Thanks ------------------------------------


Dragin 12 board lcd help

Started by bjc_dude in 68HC128 years ago 3 replies

Hi All I need some help?. I need help with writing a program to display a name on the lcd of the dragon 12 board. I am writing this program in...

Hi All I need some help?. I need help with writing a program to display a name on the lcd of the dragon 12 board. I am writing this program in assembly using ASMIDE. What I am having a hard time finding is the proper port(s) to use and/or the memory address of the lcd. Any help would be appreciated. bjc ------------------------------------


codewarrior & LCD Display, and Interface and MiniDragon Board

Started by dloonx in 68HC1211 years ago

I need help implementing a code for the LCD Driver to generate a working code in CodeWarrior. I also, need help in developining a code to call...

I need help implementing a code for the LCD Driver to generate a working code in CodeWarrior. I also, need help in developining a code to call functions from LCD, CAN, and E^2 for user interface. Maybe, my question involves writing a code in CodeWarrior that supports CAN, LCD driver and Interfaciing of each function. Moreover, a working code for the user interface(must be in C language s...


SED1335 LCD with 68HC11 Problems

Started by heyheyitsdavid in 68HC1212 years ago 4 replies

I am attempting to connect an Epson SED1335 Graphic LCD Display to a 68HC11 mounted on either a FOX11 or EVBplus2 board (have tried both). ...

I am attempting to connect an Epson SED1335 Graphic LCD Display to a 68HC11 mounted on either a FOX11 or EVBplus2 board (have tried both). I have Stepped through the SED1335's datasheet completely, creating assembly code for each instruction and have not had any luck getting the LCD to display anything. It would be very helpful if I could possibly get some workin


Passing an Integer Value to the LCD Screen

Started by chaotic_feeling in 68HC1213 years ago 3 replies

Hi Guys, I currently have the CML12DP256 Board and I'm trying to pass an Integer variable data to my LCD Screen. The problem I'm...

Hi Guys, I currently have the CML12DP256 Board and I'm trying to pass an Integer variable data to my LCD Screen. The problem I'm having is the function that I edited to do this for me is pumping out garbage values on the LCD screen not that Data I need. If you have any thou


LCD backlight control - HC12

Started by Lewis, Bob in 68HC1214 years ago 5 replies

Hi Everyone Can anyone suggest a best practice for backlight control for an LCD. We have spare pins on Ports for control. I...

Hi Everyone Can anyone suggest a best practice for backlight control for an LCD. We have spare pins on Ports for control. I have looked at digital pots from Maxim with up/down control but is there any other approach someone can suggest? The LCD is used mostly in direct sunligh


MC9S12DP256B with controleur LCD Epson S1D13705

Started by ludo...@... in 68HC1213 years ago 7 replies

hello, i am working with the MC9S12DP256B and i would like to know if it\'s possible to connect it with tle LCD controler S1D13705. I...

hello, i am working with the MC9S12DP256B and i would like to know if it\'s possible to connect it with tle LCD controler S1D13705. I wonder it becaus the LCD Controler generate a wait signal . because of this signal I cannot read or write the internal contents of register to the S1D13705. Thanks ludo


Connect LCD via SPI

Started by stephan_bauer01 in 68HC1211 years ago

Hello, I'm a beginner an I need some help with connecting a LCD via SPI. Sorry for my english. I want to reprogram a existing board and I...

Hello, I'm a beginner an I need some help with connecting a LCD via SPI. Sorry for my english. I want to reprogram a existing board and I can't show data on the display till now. At start up the display shows some random data an I can switch the display on and off. The oscillator runs at 4MHz. I'm using a 9S12DJ64 and a LCD called PT6574. This is what I programmed till now: http://fo...


OT: QVGA LCD module with builtin SED1335

Started by Edward Karpicz in 68HC1213 years ago 16 replies

Hi Sorry if not very HCS12 related subject. I have to interface D64 to QVGA monochrome LCD module. Module has builtin ...

Hi Sorry if not very HCS12 related subject. I have to interface D64 to QVGA monochrome LCD module. Module has builtin SED1335 controller and 32k of display memory. It's too late to change LCD module and controller. It's not to late to use S12 MCU having more RAM. I


LCD assistance

Started by gregmaaha in 68HC1210 years ago 2 replies

I am using the MC9S12DP512 chip and was hoping that someone could assist me with getting started using an LCD. This will be going into an...

I am using the MC9S12DP512 chip and was hoping that someone could assist me with getting started using an LCD. This will be going into an embedded system and I would prefer to use the serial interface. I've had trouble finding any samples of this and without seeing it done at all, I do not know where to begin. All I need is some basic code to get me started with simple output to the L...


LCD driver

Started by chil326 in 68HC1214 years ago 5 replies

Hello, do anyone have simple driver in C for CML12SDP256 board from Axiom? The LCD is on SPI. The MCU is MC9S12DP256. A...

Hello, do anyone have simple driver in C for CML12SDP256 board from Axiom? The LCD is on SPI. The MCU is MC9S12DP256. A tutorial could be great too. Thank you


LCD Recommendation

Started by Tim C. Perry in 68HC1214 years ago

I am looking for a LCD display with following attributes: - 128X64 pixels mono - 2" to 3" wide - touch screen available - cost...

I am looking for a LCD display with following attributes: - 128X64 pixels mono - 2" to 3" wide - touch screen available - cost < $30 - HC12 source code available - mounting hdwe including bezel preferred Can anyone make a recommendation for a dev


HCS12 LCD with 74HC164 or 74HC595

Started by hc08jb8 in 68HC1214 years ago 3 replies

Hi All, I have seen some schematics where a HD44780 based LCD is hooked up using 74HC164 or 74HC595 (serial shifter chips, I...

Hi All, I have seen some schematics where a HD44780 based LCD is hooked up using 74HC164 or 74HC595 (serial shifter chips, I guess), this mode only uses a few pin resource on the MCU. I did look at the datasheets of the 164/595 but couldnt figure out much on the software pa


Interfacing LCD with HD44780 compatible controller

Started by Roth Markus in 68HC1214 years ago 1 reply

Gents Wondering if anyone hase some source code available for interfacing a LCD with HD44780 compatible controller. This would...

Gents Wondering if anyone hase some source code available for interfacing a LCD with HD44780 compatible controller. This would save me the some time to write the handlers myself. Thanks, Markus


Using the 9S12 external bus for LCD module

Started by multiplexeon in 68HC1213 years ago 7 replies

Hello Everyone, I would like to use the external bus interface on the 9S12 (9S12DT128) to control an LCD module while...

Hello Everyone, I would like to use the external bus interface on the 9S12 (9S12DT128) to control an LCD module while maintaining the use of the internal flash to hold program code. I am somewhat new to this particular microcontroller, but not new to the instruction set