Re: LCD Example Segmentation Faults
Malcolm Coyne <[email protected]>
| Newsgroups | gmane.comp.hardware.microcontrollers.gnupic |
|---|---|
| Message-ID | <[email protected]> |
Scott Dattalo wrote: >On Sun, 2005-08-28 at 21:30 -0400, Malcolm Coyne wrote: > > >>Scott Dattalo wrote: >> >> >> >>>On Sun, 2005-08-28 at 18:42 -0400, Malcolm Coyne wrote: >>> >>> >>> >>> >>>>I have been interested in getting the LCD module working but when I run >>>>the example code using "gpsim -c lcd_mod.asm" I get a segmentation >>>>fault. It consistently occurs on the first time simulation of line 151 >>>>of the "lcd.asm" code, i.e., >>>> >>>> >>Thanks for the quick response and a bit of an apology. >> >>This was a typing error on my part. I in fact did follow the >>instructions in the README file, each time I thought I had an >>environment that would work with the LCD. >> >> > >So just to be clear, are you saying that when you assemble the source and >then simulate it by typing: > > gpasm lcd_mod.asm > gpsim -c lcd_mod.stc > >that gpsim will segfault? If this is the case, are you using the latest >gpsim and lcd source from http://www.dattalo.com/gnupic/gpsim.html ? > >I can say that the code in CVS for gpsim and the LCD work fine together. I >can also say that it is about time for another release. But before I do >that there are some things I need to fix as a result of the recent I/O >port redesign. > > >Scott > > > You are correct, I am following the procedure as you show above and it definely and reliably segfaults the first time it tries to change the state of the LCD's E input. Also, I am using the latest release versions of gputils, gpsim and the lcd as provided on the official sites. Also, I have installed and tested them as laid out in the repective INSTALL and README files. I'm not ruling out that the problem source could be something silly on my part, I just don't know where to look anymore. I am interested in getting this working so would you suggest I tackle the CVS version? malcolm