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  1. Replies
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    Re: Multiple problems with PIC16LF15313

    Thanks everyone. I'll try that in a couple hours, but you are probably correct. I was migrating from a 16F54, which didn't have analog options on the pins I was using, so when I was updating all...
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    696

    Multiple problems with PIC16LF15313

    I'm trying to migrate a program to a new small chip I have never used before. I have had multiple problems with it and am beginning to suspect there might be some sort of problem with the MPASM...
  3. Re: Using Flaoting Point to integer subroutines

    Thanks to you both, that was the information I needed. I went through the readme file and the FP1832L.bas file again and I still don't see where it says AARG starts at AARGB2, but you obviously know...
  4. Re: Using Flaoting Point to integer subroutines

    I found some C code that helped with the transition. When I get everything running I'll post it. I was able to translate the 42480000 to 84480000 but I'm still getting nothing out of the ftoia...
  5. Re: Using Flaoting Point to integer subroutines

    Thanks Darrel, I didn't realize microchip had its own format. Any idea on how to convert the IEEE standard?
  6. Re: Using Flaoting Point to integer subroutines

    I gave it a try, but aarg and barg are not declared. I loaded up the FP1832L.bas file to take a look and found aint and bint, and the comments say that aint is the Long access to AARG. My...
  7. Using Floating Point to integer subroutines

    I am having trouble using Microchips floating point routines, and I believe I'm just missing or misreading something simple. I don't actually want to do any math, but I am taking a float from a...
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    2,205

    Re: Hserin small question

    I am almost sure it does not store the line feed, but it should be easy enough to check. Just send 6 characters then a line feed and check received_text[6]. if it = 10 then blink an LED or transmit...
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    Re: Inconsistant A2D readings

    I found the problem. I had two similar net names "Display Type" and "DisplayType" which should have been connected and weren't, so the microchip pin was effectively floating. I found it will...
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    Re: Inconsistant A2D readings

    I tried cutting the trace to the second pic and it didn't seem to have any effect. I adjusted the pause to Pauseus 10, pauseus 50 and pause 5. None seemed to help any. The resistors are surface...
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    1,465

    Inconsistant A2D readings

    I am having trouble getting consistent A2D readings across a voltage divider. I have two microchips, both PIC18F45k22 attached to PORTA.5 (AN4). I only really need one of them to read the analog...
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    Re: SERIN2 syntax and compiling error.

    I think you may want something like:

    SERIN2 PortA.2,84,1000,red,[wait("ACK")]
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    ICSP with MCLR as input

    I am converting a project into a surface mount version and wanted to add the ability to do ICSP since you never know when you need to update code. I have two 18F45K22 chips and one 12F629 chips. I...
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    Re: DT-INt and Interrupt on Change

    Tried the asm version, also increased clock speed form 40 to 64 MHz. I was able to get some data at 4800, but not reliable. Thanks for helping though

    David
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    Re: DT-INt and Interrupt on Change

    Thanks Darrel, that definitely helps clear things in my head. I kept merging the two types of interrupts in my mind for some reason, which through me off when trying to understand the data sheet.
    ...
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    1,204

    DT-INt and Interrupt on Change

    I have used DT-Ints for a couple other projects and I finally had a need to use interrupt on change. I thought it would be fairly easy compared to the RX_int and timers, but I seem to be missing...
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    Need a touchscreen design

    I'm looking for someone to design and program a touchscreen interface for a product I wish to bring to market soon. I don't have the time to learn to design it myself. I would strongly prefer the...
  18. Re: Programming multiple pics with multiple programs

    At this point I probably should look into that, see what they charge per chip.

    Thanks
  19. Re: Programming multiple pics with multiple programs

    How were you envisioning switching between programs? As far as I can tell the field programmer only holds one program at a time. For my circumstances it isn't practical to bring our products to a...
  20. Programming multiple pics with multiple programs

    I have a circuit design now which uses three Pics. Two are the same (18F4520) and one is different(12F629). My current design is all through hole parts so I have all the chips in sockets. ...
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    RS232 and RS485 circuit protection

    I have a product that uses RS232 or RS482 and wanted to add better circuit protection for lightning strikes n an upcoming release. Right now, all I have is a MOV on the RS232 line. I wanted to see...
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    My code is ugly

    I have the below code which is functional, but it bothers me that I can not think of a more elegant way to do what I want. I have a 6 digit 7 segment display that I am trying to us to manually set a...
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    PBP3 and MCSP

    Today I noticed a "sys" folder sitting in my documents folder. I didn't know why it was there and deleted it. Today when I tried to compile a program with MCSP I basically got no response. When I...
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    Multi gang Programmer

    Can anyone recommend a multi gang programmer for 8/20 pin chips in dip packages? I use the quick writer from tech-tools.com for my 40 pin devices and they have a reasonably priced 4 gang programmer,...
  25. Re: What happens when I connect my oscilloscope to a circuit

    You were both right, the ground line was missing from the terminal to the PC. It was on the schematic, but altium didn't update the board correctly for some reason. Thanks for the responses.
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