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Type: Posts; User: John Drew

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    Re: SSD1306 lcd problem

    That's an interesting point.
    I've only used 32MHz so maybe you've identified the issue for 64MHz.
    John
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    Re: SSD1306 lcd problem

    Have you checked the i2c address is correct.
    I have two the displays working with Dompie's code.
    John
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    Re: The Proton manual

    I noticed the same thing George. It was definitely possible in years gone by.
    Maybe it's because of the PDF editors out there that could create altered manuals. Les?
    John
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    Re: Les's ILI9325 Wiki code

    The Silicon Chip Backpack was a bit more sophisticated. It used a pic32 programmed with a BASIC interpreter. Programs could be loaded serially using any old serial editor.
    As well as addressing a...
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    Re: New CAN Library

    Bob,
    Microchip have freight free at present. Have a look at MicrochipDirect.
    John
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    Re: Les's ILI9325 Wiki code

    Hi Charlie,
    Many of those with different sizes share a ILI9325. So I was hoping it was just the size of the pixels.
    I'm hoping to produce a PDS equivalent of the LCD BackPak (Silicon chip articles)...
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    Re: Les's ILI9325 Wiki code

    G'day charlie,
    Do I read you correctly, you'll produce a list of tested graphic displays, their driver chips and a corresponding list of the Proton drivers that work with them?

    That would be very...
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    Re: Les's ILI9325 Wiki code

    G'day Charlie and Flosi,
    Well done on success. I reckon the more articles the better. It all helps with our understanding
    I got bored watching TV last night and did some searching and found a 2.4...
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    Re: Les's ILI9325 Wiki code

    Charlie, in some code I have for controlling an audio recorder I set that pin low before sending a command and then set it high after each command. Basically a chip select function I guess.
    So fits...
  10. Re: Philips RC5_Toggle Bit and Pulse Timings

    Unfortunately I don't know enough to help. There are others on the forum who have used the protocol so hopefully they will contribute when they see this thread.
    Is it imagination but the lower...
  11. Re: Philips RC5_Toggle Bit and Pulse Timings

    The RC5 system is very well described in Wikipedia. The timings in the article could be a good place to start.
    As you know most remote controller failures are in the buttons that lose their carbon...
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    Re: Les's ILI9325 Wiki code

    Les, thanks for the link to the display. As soon as I get home I'll buy one and use a p24.
    The good thing is I'll be able to experiment on Charlie's coat tails.
    John
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    Re: Les's ILI9325 Wiki code

    Thanks Charlie and Flosi,
    I looked at the link and the display connections look complicated, does it have a flexible connector?
    I think SPI would be better for my applications as I seem to always...
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    Re: Les's ILI9325 Wiki code

    Charlie, just out of curiosity, what kind of display is it?
    I've successfully used the 0.96inch displays and they are very good all things considered but I've been tempted to experiment with 2.4 or...
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    Re: CWRITE and 18F25K50

    From an 18F datasheet, not the one you're using.

    A read from program memory is executed on one byte
    at a time. A write to program memory is executed on
    blocks of 64 bytes at a time. Program...
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    Re: 3x4 alpha numeric keypad

    4X4 keypads are easily obtained from eBay at very cheap prices.
    John
  17. Thread: Test

    by John Drew
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    Re: Test

    Welcome to the forum KrysG
    John
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    Re: UART and USB Issues with PIC18F97J94

    G'day Malcolm,
    Les seems to read most posts but the best way to contact him is through the Anomaly section of the forum.
    To identify the problem he needs to have a short Proton program that...
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    Re: Stupid things I dun today

    Reminds when I was young I had a Vauxhall Wyvern car. It was always burning its points. After cleaning the points it often wouldn't start because I forgot the little rotor arm under the distributor...
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    Re: Proton Compiler Button Toggle Procedure

    In your subroutine replace the Goto line at the end of each subroutine with the word 'Return'.
    John
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    Re: How to use timers in microcontroller

    The first thing to do is to download the datasheet for the processor you are using.
    Next, read the section on timers many times until you understand how they work.
    When you understand this you will...
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    Re: TX/RX with CC1101 Texas

    Whoops :)
    John
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    Re: TX/RX with CC1101 Texas

    Hello Giuseppe
    Comments are not allowed after $Define
    There's a good reason for it, I think it's tied in with the pre-processor.
    John
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    Re: Using procedures, best practices

    Using an example to expand on Les's explanation.
    If you have a procedure called "BigLongNameProcedure" (20characters) and you have a local variable called "BigLongnameVariable" (19 characters) then...
  25. Thread: Oh dear.....

    by John Drew
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    Re: Oh dear.....

    Can't help with the password David, but great to see you back. We missed your knowhow.
    John
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    Re: Temperature Controller Problem

    Amod,
    Fuse configurator can be found in the files section.
    http://www.protonbasic.co.uk/vbdownloads.php?categoryid=3
    John
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    Re: Temperature Controller Problem

    Amod,
    Three things for you to keep in mind
    1) when declaring TRIS use binary as it makes easy to see which ports you are setting as inputs
    2) put comments into your code so you know what you are...
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    Re: Temperature Controller Problem

    Amod, you are setting portd.0 as an input but testing portd.7
    Look up TRIS in the manual.
    John
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    Re: TX/RX with CC1101 Texas

    Hi Giuseppe
    I see there is some code for an Arduino on this site. It might give you a start.
    https://www.elecrow.com/wiki/index.php?title=433MHz_RF_Transceiver_CC1101_Module
    John
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    Re: Correct terminolgy

    I see that Les refers to signed and unsigned variables. So that confirms Tumbleweed's reply. I guess it's logical that the inverse of signed is unsigned.
    John
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    Re: Correct terminolgy

    How about "positive integer" George?
    John
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    Re: LCD display module HT1621

    Les, procedures make it very easy to follow code not like the C example posted which was a tangled mess.
    It's a shame that the word BASIC implies elementary. Protonbasic is far from that.
    John
  33. Re: Programmer does not recognize a target device

    I think you are on the right track Stephen. I do remember that when I was charging my phone (or accessing its files)
    I had more of these voltage issues. Maybe my computer USB socket(s) is one of...
  34. Re: New Microchip 16 to 24 bit high speed A/D converters

    Norm,
    I can't help but wonder at the technology to do so much in a tiny 20 pin package. It is an amazing leap from the valve days where I started when to achieve a similar thing may have taken an...
  35. Re: Programmer does not recognize a target device

    Good point George.
    I have a little diecast box with several ZIF sockets that I use to program devices for customers. It has no power supply and no power drain apart from the ICSP. Perhaps I it...
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