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2x16 lcd display with ltc1298 adc looking at a temperature and pressure transdu — Parallax Forums

2x16 lcd display with ltc1298 adc looking at a temperature and pressure transdu

saddleman@csufresnosaddleman@csufresno Posts: 2
edited 2005-06-23 13:17 in General Discussion
I am so lost is there anyone that can help?? I am trying to read an analog devices tmp35g temperature sensor and a Freescale mpx5004dp differential pressure transducer and display the temperature and pressure on a 2x16 lcd display using a seetron lcd backpack. I have finally got text on the screen and able to place it where I want(sort of). I now need to be able to talk to an ltc1298 2 channel ADC to read a desriminate between channel 0 and channel 1, then store values convert values and then place them in the appropriate locations on the lcd screen. I just do not know how to do this and not mess up what Text I have placed on screen. Please help me.

My imagination is trully limited by my lack of programming skills,
Keith Matthews

I have attached an sxb file that i have completely butchered if anyone is interested in a good hard laugh
SXB
SXB
purge system rev 1C.SXB
6K

Comments

  • BeanBean Posts: 8,129
    edited 2005-06-23 10:51
    If you want to run at 50MHz, change the OSC setting in your device line from "OSCXT2" to "OSCHS2".
    Also you only need quotes for the Baud constant.
    You may want to use the new SX/B version 1.22, you can declare subroutines and use IF..THEN..ELSE and DO..LOOP constructs. It also handles the·code pages for you.
    Bean.

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    "SX-Video·Module" Now available from Parallax for only $28.95

    http://www.parallax.com/detail.asp?product_id=30012

    Product web site: www.sxvm.com

    "What's the difference between ignorance and apathy ?"
    "I don't know, and I don't care."
    ·
  • Jon WilliamsJon Williams Posts: 6,491
    edited 2005-06-23 13:17
    Yes, do use the 1.2x compiler -- makes things much easier.·

    The attached program is for a product from our EFX group (it's called the RC-4; it's a serial SSR controller board).· Yes, at Parallax we use our own tools to create products!

    For info on reading the LTC1298 you might have a look AppKit documentation:

    http://www.parallax.com/dl/docs/prod/appkit/ltc1298.pdf

    Keep in mind that PBASIC has 16-bit variables and SX/B does not.· That said, there is PIC code in the documentation that may prove helpful.

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    Jon Williams
    Applications Engineer, Parallax

    Post Edited (Jon Williams (Parallax)) : 6/23/2005 1:33:33 PM GMT
    SXB
    SXB
    RC-4.SXB
    6K
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