Programming PIC Microcontrollers Programming PIC Microcontrollers

117 Pages·2008·0.5 MB·English

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Lecturer: James Grimblebyy
URL: http://www.personal.rdg.ac.uk/~stsgrimb/
email: jj.b.ggrimblebyy readingg.ac.uk
Number of Lectures: 5
Recommended text book:
RR. BBaarrnneetttt, LL OO’CCuullll aanndd SS. FFooxx
Embedded C Programming and the Microchip PIC
TThhoommssoonn ((22000044))
ISBN 1401837484
James Grimbleby School of Systems Engineering - Electronic Engineering Slide 1
PPrrooggrraammmmiinngg PPIICC MMiiccrrooccoonnttrroolllleerrss
RReeccoommmmeennddeedd TTeexxtt BBooookk::
RR.. BBaarrnneetttt,, LL OO’CCuullll aanndd SS.. FFooxx
Embedded C Programming
and the Microchipp PIC
Thomson (2004)
ISBN 1401837484
Price (Amazon) £47
James Grimbleby School of Systems Engineering - Electronic Engineering Slide 2
PPrrooggrraammmmiinngg PPIICC MMiiccrrooccoonnttrroolllleerrss
OOnn--lliinnee bbooookk ddeessccrriibbiinngg PPIICC mmiiccrrooccoonnttrroolllleerrss::
hhttttp:////www.miikkroellekkttroniikka.co.yu//englliishh//prodductt//bbookks//
PICbook/0_Uvod.htm
James Grimbleby School of Systems Engineering - Electronic Engineering Slide 3
PPrrooggrraammmmiinngg PPIICC MMiiccrrooccoonnttrroolllleerrss
MMaannuuaall ffoorr CCCCSS PPIICC
C compiler:
hhttttpp::////wwwwww.ccccssiinnffoo.ccoomm//ddoowwnnllooaaddss//ccccss_cc_mmaannuuaall.ppddff
James Grimbleby School of Systems Engineering - Electronic Engineering Slide 4
PPrrooggrraammmmiinngg PPIICC MMiiccrrooccoonnttrroolllleerrss
This course is about programming PIC microcontrollers in C
using the CCS PIC-C compiler
Topics covered include:
PIC architecture
PPIICC-ssppeecciiffiicc lliimmiittaattiioonnss aanndd eexxtteennssiioonnss ttoo CC
Programming PIC hardware such as ports, ADC, timers, etc
UUssiinngg ssooffttwwaarree lliibbrraarriieess
YYoouu sshhoouulldd aallrreeaaddyy bbee ffaammiilliiaarr wwiitthh tthhee CC aanndd CC++++
programming languages
James Grimbleby School of Systems Engineering - Electronic Engineering Slide 5
AAsssseessssmmeenntt
TThhiiss unniitt wiillll bbee aasssseesssseedd bby aa mmullttiippllee-cchhooiiccee tteesstt
TThhee mmuullttiippllee-cchhooiiccee tteesstt wwiillll llaasstt ffoorr 3300 mmiinnuutteess, dduurriinngg wwhhiicchh
20 questions must be answered
You will be permitted to bring your notebooks and the course
nnootteess iinnttoo tthhee tteesstt
TThhee tteesstt wwiillll bbee hheelldd aatt tthhee eenndd ooff tthhee AAuuttuummnn tteerrmm
TThhee mmaarrkkss ffrroomm tthhiiss tteesstt wwiillll ccoonnttrriibbuuttee ttoo tthhee oovveerraallll mmaarrkk ffoorr
the module EE2A2
James Grimbleby School of Systems Engineering - Electronic Engineering Slide 6
MMuullttii-CChhooiiccee TTeesstt EExxaammppllee
TThhiiss qquueessttiioonn rreellaatteess ttoo tthhee uussee ooff tthhee CCCCSS PPIICC CC
compiler.
AA vvaarriiaabbllee qq iiss ddeeccllaarreedd::
long int q;
q can takke on any vallue iin thhe range:
(a) -128 to +127
((bb)) 00 to 2255
(c) -32768 to +32767
((dd)) 00 ttoo 6655553355
(e) -2147483648 to + 2147483647
Answer:
James Grimbleby School of Systems Engineering - Electronic Engineering Slide 7
PPrrooggrraammmmiinngg PPIICC MMiiccrrooccoonnttrroolllleerrss
Lecture 1
PPIICC AArrcchhiitteeccttuurree
James Grimbleby School of Systems Engineering - Electronic Engineering Slide 8
PPIICC MMiiccrrooccoonnttrroolllleerr AArrcchhiitteeccttuurree
PPIICCss uussee HHaarrvvaarrdd aarrcchhiitteeccttuurree aanndd aa RRIISSCC iinnssttrruuccttiioonn sseett
vvoonn NNeeuummaann AArrcchhiitteeccttuurree::
PProgram andd
CPU
data memory
Harvard Architecture:
Program Data
CCPPUU
memory memory
James Grimbleby School of Systems Engineering - Electronic Engineering Slide 9
PPIICC MMiiccrrooccoonnttrroolllleerr AArrcchhiitteeccttuurree
Counter/
Flash Program
ttiimers
program memory counter
RAM
file reggisters
Instruction Stack
register
Address MUX
I/O ports
FSR
Status reggister
MUX
Instruction Brn out reset
decode
Watchdog
Peripherals
ALU
Start up timer
Timing Low volt prog
generation W register
Debugger
James Grimbleby School of Systems Engineering - Electronic Engineering Slide 10