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Type: Posts; User: AlbertoFS

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  1. Re: Code for Driving 2,3 or 4 seven segment displays

    I have thought that adding 4 resistors I could insert a keyboard with 12 to 32 keys. This has not occurred to me before because it must be for my age now. Some ideas come too slowly.
    The software,...
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    Re: Timer1 overflows

    I think this has been discussed in the forum before. According to the PIC family, there are some problems for loading the counter. I always apply this technique and I never have problems.
    Take into...
  3. Re: Code for Driving 2,3 or 4 seven segment displays

    07/04/2018 New version 1.1 of library for 3 to 8 seven segment displays.
    Minor modifications to make the code faster.
    See the project HERE.
    Regards
    Alberto
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    Re: Big characters font on Text Display

    Really all the information is in the Hitachi HD44780 LCD datasheet.
    First of all, have you written the correct declares of the LCD? See page 146 of the PDS manual.
    It is also necessary to see how a...
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    Re: Bootloader for the 18F26K22

    Hi Yves,
    It is a bootloader for UART. You can use any USB/UART interface such as the Amicus18 Board. The code has been developed 100% on the Amicus18 board. The complexity of this code is because...
  6. Re: Code for Driving 2,3 or 4 seven segment displays

    New library for 3 to 8 seven segment displays
    (The definitive solution)

    Hi all,
    Thanks to the wonderful features of the PDS compiler, I was able to finish this project with a new library,...
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    Re: Big characters font on Text Display

    You can find an example HERE. The LCD display is not the same but it is very compatible. Search the routine that allows you to print 1 line.
    Regards
    Alberto
  8. Re: Code for Driving 2,3 or 4 seven segment displays

    06/28/2018 update:
    I added a macro to input all variables for the library. It is more easy for the code user. (version 3.0)

    Very Soon: New library to print Integer, Signed and Float variables to...
  9. Re: Code for Driving 2,3 or 4 seven segment displays

    Thank you Joseph, Teo & Charlie,
    Only I try to occupy my brain, if it can be useful for the PDS users.

    22/06/2018 Update code for driving 8 displays with one PORT only with the help of a simple...
  10. Re: Code for Driving 2,3 or 4 seven segment displays

    Code for Driving 2 to 8 seven segment displays


    20/06/2018 Update code for driving 8 displays for integer values.
    Enjoy the code. See the article HERE.
    Alberto
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    Re: Hx711 calibration

    Hi amod and Simon,
    You can find a new template to use 8 displays (7 displays + sign) in the WIKI.
    Regards
    Alberto
  12. Re: Code for Driving 2,3 or 4 seven segment displays

    Code for Driving 2 to 7 seven segment displays + sign


    19/06/2018 Update code for driving 7 displays + sign. (total 8 displays)
    Enjoy the code. See the article HERE.
    Alberto
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    Re: Hx711 calibration

    Hi amod and Simon,
    After some headache, I was able to finish the code to print negative numbers from -99999 to +99999, occupying 6 digits. In this way one digit is lost.
    How many digits do you...
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    Re: Hx711 calibration

    Hi amod and Simon,
    I am working to send negative numbers on the display. I have managed to show -99 to +99 already. I have to modify the structure of my program. What forces me to lose a digit or I...
  15. Re: Code for Driving 2,3 or 4 seven segment displays

    Code for Driving 2 to 6 seven segment displays

    Thank you very much John to publish the article.
    Now the code is prepared for 6 digits.
    See the article HERE.
    Regards
    Alberto
  16. Re: Code for Driving 2,3 or 4 seven segment displays

    Hi John,
    I have written this code quickly to help a PDS user. I have already found new tricks to increase the speed and efficiency of the program. I could write an article for the end of this week....
  17. Code for Driving 2,3 or 4 seven segment displays

    Hi all,
    I have recovered from the forum background a code to drive 4 seven segments displays, because there seems to be some interest in project of this type at this time.
    You can configure all...
  18. AlbertoFS has just uploaded Driving 2,3 or 4 seven segment displays.!

    AlbertoFS has just uploaded Driving 2,3 or 4 seven segment displays.!

    I have recovered from the forum background a code to drive 4 seven segments displays.
    Surely the code had been written by...
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    Re: Bootloader for the 18F26K22

    Hi George,
    Everything is possible. I downloaded the file and unzipped it. I have not found anything forgotten.
    There are 3 subfolders:
    Dev_18F23K20_18F46K20
    Dev_18F23K22_18F46K22...
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    Re: Bootloader for the 18F26K22

    Hi Yves,
    You could use my PDS bootloader running with a terminal program or the DS30 booloader running with a PC application. I do not have the hex file for the 26K22.
    Regards
    Alberto
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    Re: Message during compilation

    You're right "messg" directive does not work for that. But the message appears in the .lst & asm files. What could be useful for me to search the macros in the asm file.
    Thanks for remembering this...
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    Re: Num_Byte on 18F26K42

    Hi George,
    To make simple macros it is better to use the processor. For more complicated macros I use a mixed of the two systems. Everything depends on what you want to achieve.
    Alberto
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    Re: Num_Byte on 18F26K42

    Thank you very much for the information, Les.
    Families xxK40 and xxK42 are not easy and have complicated the lives of PDS users.
    Thanks for your dedication.
    Regards
    Alberto
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    Re: Num_Byte on 18F26K42

    Hi George,
    I have modified their ASM macros so that you have brackets to be the same as other macros written by the processor.

    EUREKA ...
    I found the problem !!!!
    Change the [Declare...
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    Re: Num_Byte on 18F26K42

    Hi George,
    I have copied a macro from your program to a new very short test program. As I had announced in post#2, it works perfectly.
    I have been able to see in your file that the 2 macros are not...
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    Re: Num_Byte on 18F26K42

    Hi George,
    I have compiled your macro with the PDS version 3.6.1.4 and I do not see anything strange in the compiled asm code.
    I have tried to put their variables in Bank0 and I have left them in...
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    Re: A Universal PIC18 Bootloader for PDS

    Hi George,
    Please, you could read my article regarding my bootloader. It would be a good first step.
    PDSloader

    In particular my bootloader is written in Proton language, which allows the...
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    Re: A Universal PIC18 Bootloader for PDS

    Hi all,
    I would intend to create a new bootloader that will record only in the upper part of the ROM from a defined address to update the subroutines and many tables written in the ROM.
    Would this...
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    Re: 18F24k20 Handbrake Stuck

    Hi Charlie,
    As George said the NVMCON1 register works different as standard because an errata. I published this in my bootloader 12 months ago.

    ' ROM memory has a new System To read/write.
    ' ...
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    Re: 18F24k20 Handbrake Stuck

    I have extracted the code from my bootloader.

    Device = 18F24K40
    Declare Xtal = 64

    '/ DEFINE THE PLL: On / OFF (not used with the Internal Oscillator).
    $define PLL_ConfigFuses...
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    Re: A Universal PIC18 Bootloader for PDS

    an example:
    Before:

    #Disable HRSOut ' Bypass the compiler's HRSOut library subroutine
    '===============================================================================
    GoTo...
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    Re: 18F24k20 Handbrake Stuck

    Hi Charlie,
    I sent you 2 PM's.

    Alberto
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    Re: 18F24k20 Handbrake Stuck

    Hi Charlie,
    I have never had so many problems with the 2xK20 and 2xK22 families. All my libraries and projects have been written for these PICs. Could you send me your schematic, components list and...
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    Re: A Universal PIC18 Bootloader for PDS

    Hi John,
    The "HRSOut" was the label also for the asm routine that puts the byte into the UART buffer. I think it is better now to avoid confusing.

    Alberto
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    Re: A Universal PIC18 Bootloader for PDS

    In the new version of PDS 3.6.1.2 a lot of code has been modified such as the label of the HRSout routine.
    Before: HRSout
    Now: __hrsout1__
    Take it into account in the replacement routine in my...
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