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Library

USB_NA

Rating:

24

Author: Dany

Last Updated: 2019-04-13

Category: USB

Downloaded: 4939 times

Followed by: 3 users

USB libraries, new architecture. Permits composite USB devices (possibilities: HID, CDC and MSD).
-- for P18's or P24's with USB --

Version 1.1: Modified so that (changes to) values in "UsbProjectItems" like PID and VID are actually visible in the executable.

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Library Blog

This library is intended to make composite USB devices (max 1 of each type below):

HID: Human Interface devices, e.g. Keyboard, mouse, etc..

CDC: Communication device: e.g. serial port

MSD: mass storage device, e.g. SDMMC card.

 

Important remarks:CDC devices:

  • - Do not forget to add (if not already there) the VID and the PID of your device to the usbser.inf file (C:\Windows\inf).
    The entry in the usbser.inf file in the Windows directory has to look like:
    %DESCRIPTION%=DriverInstall, USB\VID_1234&PID_2000&MI_00
    where "xx" in "&MI_xx" is the number of the CDC interface.
  •  
  • - Every time you install (plug in) a CDC device with a new VID/PID combination, windows will give it a comportnumber that was not used before, so the used number always increases. If you want you can change it to a more acceptable number using the windows 'device manager'. Portnumbers already taken can be found in the registry: See https://libstock.mikroe.com/projects/download/72/9651/1525280445_usb_na_other_other.zip

MSD devices:

  • The library assumes the SDMMC card is always present and writable. Also hot swap is not allowed.
  • The maximum card size supported is 4 GB.

Libraries:

- USB_CDC_Library_NA

- USB_HID_Library_NA

- USB_MSD_Library_NA

- USB_Library_Core_Constants_NA

- USB_Library_Core_NA

- USB_HID_Keyb_Library_NA (Ps2 keyboard to USB keyboard; Supports also the "Sleep", "Wake-up" and "Power" keys.)

The zipfile has the same content as the package.Have Fun!

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Version 1.1: Modified so that (changes to) values in "UsbProjectItems" like PID and VID are actually visible in the executable.

Important: the "USBxxx_ProjectItems.mpas" files have been changed!

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18-03-2012: Removed an error in "USB_MSD_Library", calculation of the card capacity did not work correctly for cards of exactly 4 GB large. Still, the max size of the card supported here is 4 Gb.

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29-03-2012: Added the P24 version of the libraries. No "keyboard" libraries yet however.
Have fun!

2012-06-08: The help section in the package and zip file has been updated.

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2012-11-12: The microBasic package(s) ha(s)(ve) been added.

Only the .mcl files are available as "library" files: they are copied from the mikroPascal version (the mP and mB .mcl files are compatible - luckely - ).

If you want to see some sources: look into the mP versions.

The example files are still in mP, not in mB. (I do not have an mB licence, so I can not compile them).

Some of the helpfiles are also still referring to mP, but all library "interfaces" are available in the mB language.

------------------------------------------------------------------------------------------------------------------------------------------------
2013-01-26:  Replaced "Delay_ms" and "Delay_us" by routines available in the Delays lib.
"Delay_ms" and "Delay_us" are inline routines and cannot be used in libraries if they are to be used without source (e.g. non Pascal compilers).

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2014-03-13: The mikroBasic files and zip files have been updated. All mB sources are present now (not tested if compilable though).

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2014-03-26: Corrected an error in the Delphi unit "Wincom.pas" (used in the windows application TestCDC). Thanks to Virgil Chindris for pointing out type errors in the routines "getChar" and "OpenCom".

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2014-05-02: CDC library: Removed automatic sending of a zero length packet after sending a 64 bytes packet (slowed down sending  from PIC to PC).


2015-01-26: Replaced the mB files: all mB files are compilable now (which e.g. means that all "with" statements are dealt with). I could however not link and test the libraries (no mB licence).

2019-04-12:  Removed a blocking statement in 'InitUsb'. The SW was blocked in case no USB connection was made.

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