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remick1426459870

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  1. Like
    remick1426459870 got a reaction from bluehash in Very Basic HD44780 driver for Stellaris LaunchPad   
    Thanks a lot !
    Problem solved
    After grounding R/W pin display started to work.
     

     
    Thanks guys !
  2. Like
    remick1426459870 reacted to The_YongGrand in Very Basic HD44780 driver for Stellaris LaunchPad   
    Here's a very basic HD44780 driver for Stellaris Launchpad.
     
    Supports up to 20x4 LCD and a full PORTB register is used. Due to the nature of the GPIOPinWrite function which uses masking and whatnots, extra code on the driver will be written in the future to accomodate such functions.
     
    Uses two files: hd44780_lp.c and hd44780_lp.h
     
    An example is in the attachment. It's called "lab2" because I fooled around with the Stellaris Launchpad Workbook earlier.
     
    Note: Please refer to online tutorials on the HD44780 connections.
     
    Comments are greatly appreciated!
     

    lab2_revised.zip
  3. Like
    remick1426459870 reacted to znanev1426459859 in Very Basic HD44780 driver for Stellaris LaunchPad   
    R/W pin should not be left floating. Tie it to ground (1 = Read, 0 = Write) - the library just writes commands to the LCD module
  4. Like
    remick1426459870 got a reaction from znanev1426459859 in Very Basic HD44780 driver for Stellaris LaunchPad   
    Thanks a lot !
    Problem solved
    After grounding R/W pin display started to work.
     

     
    Thanks guys !
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