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PICList Thread
'MpK coming soon'
1994\07\04@044648 by kellenbe

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Hello folks,

there was some (good) response about my new "Multi process Kernel". So I will
post it soon. Have some patient, because I have do some other jobs too.
To avoid too much questions later I'm describing details more precise
in the source now.
I intend to post the MpK next week. (Put the ZIP-files onto our public
server ftp.ntb.ch and to takdsign). BTW: MpK sounds a little bit too proud!
So don4t blame me afterwards...

-Michael

                  ////
__0__           '(o o)'                                        __0__
(_____)--------ooO-(,)-Ooo-------------------------------------(_____)
| / |   Kellenberger Michael                                   | \ |
| / |   (electronics engineer,BSc)                             | \ |
| / |   Institute for integrated microsystems  ( IMS / MEMS )  | \ |
| / |   Neu Technikum Buchs     Phone: +41-81-755 34 44        | \ |
| / |   CH-9470 Buchs/SG        Fax:   +41-81-756 54 34        | \ |
|___|   Switzerland             Email: spam_OUTkellenbeTakeThisOuTspamsparc1.ntb.ch  |___|
(_____)--------------------------------------------------------(_____)
  0                                                              0


PS: The first introduction of MpK I will add...
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;
;                               #.ASM
;                       =============
;        -MpK 1.0- with interrupt handler for PIC16LC71
;
;**************************************************************************
;
;Creator : M.Kellenberger, 18.11.93, IMS, Neu Technikum Buchs,CH-9470 Buchs
;System  : Boxer Editor, MPALC, MPSTART, PDC.BAT(4DOS)
;Target  : Microchip PIC 16C71
;
;History MpK:
;V 0.0  21.10.93 mik    Definitions, systemlabel start with "_"!
;V 0.1  22.10.93 mik    System design and description
;V 0.1a 25.10.93 mik    Add "#" to user-changeable lines
;V 0.1b 15.11.93 mik    Made systembody faster (20MHz)
;V 0.1c 16.11.93 mik    MpK Kernel via simulater tested!
;V 0.2  25.11.93 mik    RxError, RxBusy and Cmds!
;V 0.3  13. 1.94 mik    RS-485 Enable implemented
;V 0.4  21. 1.94 mik    Compiler flags _Tst,_MHz,_RS implemented
;V 0.5  27. 1.94 mik    Compiler flags _Tst into TstDbg implemented
;V 0.6  28. 1.94 mik    Compiler flags _WDT implemented
;V 0.7   8. 2.94 mik    Ext_Cmd is 001T'0000 (Flag T is now also for EXT Cmds)
;       10. 2.94 mik    reset condition into Cmd
;V 0.8  21. 2.94 mik    CRC added, _Peven, _Parity deleted
;V 0.9  21. 2.94 mik    CRCs/r added
;
;                       Tree projects were (are) launched with this body...
;                         - Intelligent sensor to messure thread tension. (sensation!)
;                           Gave the kick to design MpK!
;                         - Front end for a "laser pattern generator" (step tracker)
;                         - Switched capacitor controller. (->private company)
;                       ...beta test passed!
;
;                       Remarks: - "easy to learn and use"      (J.Wagner)
;                                - "good programming philosophy"(L.Grecco)
;                                - "short time to release"      (G.Staufert)
;                                - "don't bother about basic stuff,
;                                         it's managed by the MpK"    (L.Grecco)
;                                - "they got it"                (M.Kellenberger)
;
;V 1.0  23. 6.94 mik    Last test, more text, first public release!
;
;User programmers revision:
;V 1.0  ##.##.## ___    First attempt: #
;
;*******************************************************************
;
; Description:
; ============
;
;   1. Multi process Kernel System body (design and tested only for PIC16C71):
;   --------------------------------------------------------------------------
;
;    The MpK is designed as an (empty) programm body for several perposes:
;        * Management of all interrupt launched processes.
;        * Management for cyclic processes via RTCC (one timebase).
;        * Usage of as little amount of PIC resources as possible for the MpK.
;        * Serial communication up to 19.6kBd (half/full duplex).
;        * Simple serial protocol. Ability to address 253 nodes (RS485) optionaly.
;        * So far 1(or2)-byte-command supported -> may cause any action in the
;          main process. (see chapter 2)
;        * Quick realisation of user programms with that (and other) needs..
;
;
;       The MpK consists of (a user defineable body for):
;        * Predefined register- and macrosets (see also new "PicReg.equ" and
;          "Pic71.mac")
;        * Proper initialization of HW and status/option registers,
;        * An INTerruptHANDLER (with simple priority managment),
;        * One process for each interrupt source (managed by INTHANDLER),
;        * 4 cyclic processes: (the cycle time base is managed by
;                               the RTCC-int.handler)
;          - Tx, Rx0, Rx1:
;              for a half/full duplex communication (RS232/485->driver needed)
;            - Adjust- or user-process:
;                for cyclic time adjustment or an other user defined cyclic
;                process that base on that RTCC timebase.
;
;        * May launch the AD-conversion repeatedly
;              (calculated out of the cycle timebase)
;        * One (empty) MAIN (user) process
;            (suggestion: round-robin-scheduler, see chapter 2).
;        * Serial communication is half/full duplex and may be setup easly.
;            (acts almost like a built in SCI)
;        * Semaphore (flags) for data transfer to/from MpK.
;
;          Options:
;        * One FSR during interrupt cycle and one other FSR during main cycle.
;        * Simple implementation of a protokoll (-> chapter 2).
;        * Simple implementation of CRC for sending and receiving line.
;        * Simple implementation of 254 addressed nodes (RS485).
;
;
;       Resources used by MpK:
;        * INT interrupt as serial data receiver.
;        * RB0,RB1 (and optional RB3 for TxEn) pin.
;        * RTCC and its interrupt as cycle time base generator.
;        * Prescaler (in some cases not, see calculations).
;        * Unused Flags RP1, IRP and "ADCnused" (see PicReg.equ).
;        * Ports RP0, RB1 for Rx and Tx.
;        * Port RP2 TxEnable if "RS485-half duplex mode" is used, else free.
;        * Only 7 Byte MpK reserved fileregisters including 1 command bytes.
;        * Two more reserved bytes if two FSRs are desired.
;        * Two more reserved bytes if CRC (Rx and Tx) is desired.
;        * WDT is embedded.
;        * All other interrupts are embedded.
;
;
;
;
;
;
;    2. Philosophy of the MpK
;    ------------------------
;       The idea for this MpK came up when I had to design a controller for
;       my thread sensors. I wanted to create source code that is easy to
;       expand and maintain. Also there was the idea to split up the
;       whole problem into two parts:
;       - The background running processes (put into MpK):
;               SCI, AD sampler, MUX switcher, periodic actions, ...
;       - The main program (pseudo processes):
;               Protocol, cmd actions, data analising, ...
;       All should be usable for other projects!
;
;



'MpK coming soon'
1994\08\02@124210 by kellenbe
flavicon
face

Hello folks,

there was some (good) response about my new "Multi process Kernel". So I will
post it soon. Have some patient, because I have do some other jobs too.
To avoid too much questions later I'm describing details more precise
in the source now.
I intend to post the MpK next week. (Put the ZIP-files onto our public
server ftp.ntb.ch and to takdsign). BTW: MpK sounds a little bit too proud!
So don4t blame me afterwards...

-Michael

                  ////
__0__           '(o o)'                                        __0__
(_____)--------ooO-(,)-Ooo-------------------------------------(_____)
| / |   Kellenberger Michael                                   | \ |
| / |   (electronics engineer,BSc)                             | \ |
| / |   Institute for integrated microsystems  ( IMS / MEMS )  | \ |
| / |   Neu Technikum Buchs     Phone: +41-81-755 34 44        | \ |
| / |   CH-9470 Buchs/SG        Fax:   +41-81-756 54 34        | \ |
|___|   Switzerland             Email: .....kellenbeKILLspamspam@spam@ntb.ch         |___|
(_____)--------------------------------------------------------(_____)
  0                                                              0

PS: I was on holiday in Iceland.... that surely excuse my late response!!!

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