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  1. Re: Our dearest friend has passed away. Bye Darrel...

    True, he lives on in my code. I still give hime credit for those 'snippits' in my comments.
    Dang he was good. Real good.
    I still miss the banter......
    -Steve
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    Re: MCP23S17 init all outputs and to a logic 1

    Thanks Richard!
    I get caught up thinking in terms of 8 bits that I forget that I can actually speak in words! Hah!
    I did miss the PAUSE statement and have changed it to PAUSEUS 10 and it seems...
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    MCP23S17 init all outputs and to a logic 1

    Hello to All-
    I have been trying to figure out the best and/or fastest way to initialize a MCP23S17 (SPI) to all outputs with an active low.
    I init the devices by calling this routing (Thanks to...
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    Re: Port alias in Port Expanders (MCP23S17)

    That is exactly what I was looking for!
    I thought I had done this before but could have been mistaken.
    Will try later this evening.
    Thanks!
    -Steve
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    Re: Port alias in Port Expanders (MCP23S17)

    Thanks, I will give that a try.
    Now if I could write both bytes at the same SPI communication, that would be an even bigger win!
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    Re: Port alias in Port Expanders (MCP23S17)

    OK, it is working!
    Thanks to all who helped and provided some food for thought.....
    Code below for any others who need to do this:


    OutA=$FFFF ...
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    Re: Port alias in Port Expanders (MCP23S17)

    Richard-
    I tried the following:


    OutA=$FFFF 'Initial value for word var
    PortDevice=$D ...
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    Re: Port alias in Port Expanders (MCP23S17)

    Thanks!
    I tried your suggestion:


    OutA=$FFFF 'Initial value for word var
    OutA.0=0 ...
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    Re: Port alias in Port Expanders (MCP23S17)

    Why does this not work?
    OutA.12=0 doesn't gen an error but it nor the other (OutA.15=0) turns ON an LED?????



    OutA=$FFFE 'Initial...
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    Re: Port alias in Port Expanders (MCP23S17)

    Henrik-
    Thanks for the assist, but I don't think I can use that idea. There are some outputs which will be already active which another serial command comes in and I will need to add to the already...
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    Re: Port alias in Port Expanders (MCP23S17)

    Thanks I will try that!

    I have made some progress but I still need a way to get from 1 byte which will tell me which of the 16 outputs to turn on.

    Current test code:


    ...
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    Re: Port alias in Port Expanders (MCP23S17)

    Henrik-
    Also forgot to mention that in the older I2C design I had 8 bits of inputs and 8 bits of outputs on one 2317.
    This new design is all outputs - I thought it would be easier!
    Not so...
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    Re: Port alias in Port Expanders (MCP23S17)

    Henrik-
    I may have been too hasty in my description ( I am back on my home project) as I am stumped. I had used the I2C version of this part a while back and have it working. Now I am trying to...
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    Re: Port alias in Port Expanders (MCP23S17)

    Thanks, yes I did say which chip in the topic.... <grin>.
    And yes again, that is what I had come up with and I had used that in the past - using
    outputs var byte[4]
    and then indexing by...
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    Port alias in Port Expanders (MCP23S17)

    Hello to All-
    I am trying to do something and I just can't break through the fog to see how this may be accomplished;
    Assign an alias to a port pin on a port expander.
    I know how to do it with a...
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    Re: TI CC1101 Radio Project

    Hmmm, I never used PM so I have no experience with attaching PDFs. Try changing the extension name.
    Did you try the other email address I sent?
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    Re: TI CC1101 Radio Project

    Thanks Louie. What proc did you use with you radios?
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    Re: TI CC1101 Radio Project

    I ordered the CC1101EMK868-915 from Mouser. Then just today I ordered the SOC-BB also from Mouser.
    The SOC-BB should (?) allow me to plug in the radio modules, power via battery which is kinda...
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    Re: TI CC1101 Radio Project

    I would REALLY appreciate that. I just looked at my radio development 'kits' (2) and all I got was the module with an antenna! It looks as if these plug into something else........
    So, it looks...
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    Re: TI CC1101 Radio Project

    Yup. I should have my radios in waiting for me Monday. Then I can see about playing with them.......
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    Re: TI CC1101 Radio Project

    thanks Guys-
    My modules are due in tomorrow, however, I have to go out of town on business so it will have to wait a bit longer darn it.
    I really can't wait to see this work!
    The MRF module never...
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    Re: TI CC1101 Radio Project

    Thanks Louie-
    I plan on using the A1101R09A00GM module, is that what you used? It should arrive tomorrow.
    My idea is more of using these modules as a transmitter and receiver application even...
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    Re: TI CC1101 Radio Project

    LinkMTech-
    I was trying to use Microchip's 900MHz radio, but it whipped me - never got it to work (posted elsewhere on this forum) and now am looking for another radio.
    Would you post what you did...
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    Re: MRF90XAM9A interfacing help

    I know, frustrating.
    I have a ticket with Microchip, perhaps they can shed some light....
    Regards.
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    Re: MRF90XAM9A interfacing help

    Tabsoft-
    Did you get anywhere ?
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