Jump to content


  • Content Count

  • Joined

  • Last visited

  • Days Won


Posts posted by kenemon

  1. A question about the standalone programmer issue please.


    I want to improve my board by adding a programming jumper.

    According to zeke's schema above, he hooks up the jumper to pins 10 and 11.

    Will this work with the G2452? I have seen advice suggesting pins 2 and 3 :?


    Also, is there freeware that will enable me to make schemas easily like zekes?


    Thanks for reading. KB

  2. Thank you both for listening and caring. I was afraid this was beyond my comprehension, but the last post ties everything together nicely :D


    These forums have been the best resource I can find, and has pushed me to learn things I never thought I could understand.



  3. I will try it on my laptop if i cant get it to work after one more try.


    What is confusing me is the lack of direction in the post. Using the smartie directions, it calls for the http://lcdsmartie.sourceforge.net/port95nt.exe driver. In the setup, i set the correct LCD, but dont know which driver to choose on the list, or which settings to use. 9600,n,1 is what i understand the LP likes. I understand the code utilizes the USB port, and I am assuming the LP should be in run mode, so it is waiting for data from the USB connection. Does this sound logical?

  4. Hello All. I'm having a little trouble getting my lcd to work. It flashed on as i scrambled through the example, but i lost it. Can somebody explain the sequence please. I wired it up, compiled and flashed the c code. I have the nice "hello" but i cannot seem to interface with the software. Following the smartie directions it needs port95nt.dll. Is this what I should be doing?


    Thanks. KB

  5. The nightmare is over. After finally making a plan and working out a new board, being careful with everything and checking it twice, I can see the light. P1 resistors enabled. The help is greatly appreciated, and the button debounce works flawlessly (no extra ints). Resistors enabled on P1.0-P1.3.


    Working with those connected PCBs it not worth it in my opinion, although the product is very appealing to the eye. I will improve on the board with a jumper for programming next..... : :)




  6. Here are some late night drawings, I will work on some better ones tomorrow... Thanks

    Using MSP430G2452, detail per aforementioned wiki example


    Anyone have a schematic program that is free? PCB artist was ok, but schamas were difficult to understand for me :roll:

    J1=button harness

    J2=LED Array








  7. I am going to try and enable the resistors. A while back this helped me with a bouncing problem. I have hardware debounce now, but I am going to give it a shot.


    I have checked off everything on your list zeke. I have been programming it on the LP and then hooking up my wiring harnesses to the LP to test it- working fine, I move the chip to the PCB. I am thinking now the problem is with my buttons. I based them on the demo: http://processors.wiki.ti.com/index.php/MSP430_LaunchPad_PushButton


    It must be the debounce circuit. Curious why it works fine on the LP and not on the PCB :cry:



    thanks again you guys!

  8. thanks zeke, that Is a great reference. All seem to agree on the cap, which i will add momentarily. Can you tell me what OR means please. I am going to include a jumper as you show so that I do not need to keep switching the chip out (it was on my todo/tofigureout list :P )


    P.S.- how do you put the images directly in the post. I tried the button (Img) above, and put in the link, but it didn't do anything.


    Thanks again. Ken

  9. As many nightmares evolve, I find myself alone in a state of terror with my MSPG452 project.

    I look to you guys for some comfort :o


    I have a basic input/output project that functions perfectly on the stock launchpad...

    The code is not the issue, the problem lies in my lack of EE experience...


    I have been working at this for about 6 months (learning and getting favors from my friend the programmer) :




    I picked up some expensive FR4, they are pretty and have "cuttable" connections between all the positions. A little bit of a pain at first, but I can appreciate the idea- less jumpers and solder. You need a brand new utility blade for starters, and a good layout in mind. You can see an issue with the couple of wires on the face.




    this progressed to a much prettier prototype (took about 2 hours):




    It was heartbreaking when it did not work, nothing happened. Then Ken Finnegan alerted me somewhere in his many posts that the standalones need to have the reset taken up with a resistor or it will continually reset. Thanks Ken (great name by the way). Done, and i had some flashers.


    Unfortunately, the inputs and the outputs are not working like on the LP. I have traced all my connections, and checked for shorts and gaps, and found nothing. I am able to hardwire the inputs, using a jumper, a switch, or my finger, but for some reason, the P1.0 input will not trip the interrupt now- but all the others work (P1.1-P1.3). Your comments are welcome, please!

  10. A while back there was a problem with the newly issued G2 chips. It ended up being a software issue which was fixed eventually. As I waited, I experimented with other chips and formats, trying to get one of my ideas going. Here are some pictures of the TSSOP adapter I made to program them with the launchpad. I ended up using it recently to miniaturize my project, providing a standalone MCU platform with the TSSOP G2452. My soldering has improved, please don't comment on that. I have named it "Tron" for obvious reasons.


    https://docs.google.com/leaf?id=0B0GvwG ... 2&hl=en_US



  • Create New...