Änderungen am Layout
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*~
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.*.swp
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.*.swp
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External
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\selectlanguage *{latex}
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\babel@toc {ngerman}{}
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\selectlanguage *{latex}
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\addvspace {10\p@ }
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\addvspace {10\p@ }
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\addvspace {10\p@ }
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\addvspace {10\p@ }
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\addvspace {10\p@ }
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\addvspace {10\p@ }
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\contentsline {figure}{\numberline {3.1}{\ignorespaces Diagramm Mode A\relax }}{9}{figure.caption.4}%
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\contentsline {figure}{\numberline {3.1}{\ignorespaces Diagramm Mode A\relax }}{9}{figure.caption.4}%
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\contentsline {figure}{\numberline {3.2}{\ignorespaces Diagramm Mode B\relax }}{10}{figure.caption.5}%
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\contentsline {figure}{\numberline {3.2}{\ignorespaces Diagramm Mode B\relax }}{9}{figure.caption.5}%
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\addvspace {10\p@ }
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\addvspace {10\p@ }
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\addvspace {10\p@ }
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\addvspace {10\p@ }
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\addvspace {10\p@ }
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\addvspace {10\p@ }
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\contentsline {figure}{\numberline {6.1}{\ignorespaces Pulswellenmodulation\relax }}{16}{figure.caption.6}%
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\contentsline {figure}{\numberline {7.1}{\ignorespaces PWM Ausgangssignal\relax }}{18}{figure.caption.8}%
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\contentsline {figure}{\numberline {6.2}{\ignorespaces Symmetrisches Rechtecksignal an PB3\relax }}{17}{figure.caption.9}%
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\contentsline {figure}{\numberline {6.3}{\ignorespaces PWM - Tastgrad - Sinus\relax }}{18}{figure.caption.10}%
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\contentsline {figure}{\numberline {6.4}{\ignorespaces Sinus nach Tabelle vom Python3 Script als Linie\relax }}{20}{figure.caption.12}%
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\contentsline {figure}{\numberline {6.5}{\ignorespaces Sinus nach der Tabelle vom Python3 Script mit Stützpunkten\relax }}{20}{figure.caption.13}%
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\addvspace {10\p@ }
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\addvspace {10\p@ }
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\providecommand \tocbasic@end@toc@file {}\tocbasic@end@toc@file
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\providecommand \tocbasic@end@toc@file {}\tocbasic@end@toc@file
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\selectlanguage *{latex}
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\babel@toc {ngerman}{}
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\selectlanguage *{latex}
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\addvspace {10\p@ }
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\addvspace {10\p@ }
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\addvspace {10\p@ }
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\addvspace {10\p@ }
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\contentsline {table}{\numberline {5.1}{\ignorespaces Programmierpunkte Teil 1\relax }}{13}{table.caption.6}%
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\addvspace {10\p@ }
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\contentsline {table}{\numberline {6.1}{\ignorespaces Klemmenbelegung\relax }}{15}{table.caption.7}%
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\addvspace {10\p@ }
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\addvspace {10\p@ }
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\contentsline {table}{\numberline {6.1}{\ignorespaces OCR1A Werte für verschiedene Frequenzen des Mithörtons\relax }}{19}{table.caption.11}%
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\addvspace {10\p@ }
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\addvspace {10\p@ }
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\providecommand \tocbasic@end@toc@file {}\tocbasic@end@toc@file
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\providecommand \tocbasic@end@toc@file {}\tocbasic@end@toc@file
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\selectlanguage *{latex}
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\babel@toc {ngerman}{}
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\selectlanguage *{latex}
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\contentsline {chapter}{\numberline {1}Funktionen}{5}{chapter.1}%
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\contentsline {chapter}{\numberline {1}Funktionen}{5}{chapter.1}%
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\contentsline {chapter}{\numberline {2}Hinweise zur Dokumentation}{7}{chapter.2}%
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\contentsline {chapter}{\numberline {2}Hinweise zur Dokumentation}{7}{chapter.2}%
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\contentsline {chapter}{\numberline {3}Grundlagen}{9}{chapter.3}%
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\contentsline {chapter}{\numberline {3}Grundlagen}{9}{chapter.3}%
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\contentsline {section}{\numberline {3.1}Betriebsarten eines Morse-Keyers}{9}{section.3.1}%
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\contentsline {section}{\numberline {3.1}Betriebsarten eines Morse-Keyers}{9}{section.3.1}%
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\contentsline {subsection}{\numberline {3.1.1}Zeitverhalten}{9}{subsection.3.1.1}%
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\contentsline {subsection}{\numberline {3.1.1}Zeitverhalten}{9}{subsection.3.1.1}%
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\contentsline {chapter}{\numberline {4}Bedienung}{11}{chapter.4}%
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\contentsline {chapter}{\numberline {4}Die Bedienung}{11}{chapter.4}%
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\contentsline {section}{\numberline {4.1}Tastaturbelegung}{11}{section.4.1}%
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\contentsline {section}{\numberline {4.1}Bedienelemente}{11}{section.4.1}%
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\contentsline {subsection}{\numberline {4.1.1}Übersicht}{11}{subsection.4.1.1}%
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\contentsline {subsection}{\numberline {4.1.1}Übersicht}{11}{subsection.4.1.1}%
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\contentsline {chapter}{\numberline {5}Schaltung}{13}{chapter.5}%
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\contentsline {chapter}{\numberline {5}Die Schaltung}{13}{chapter.5}%
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\contentsline {section}{\numberline {5.1}Beschreibung}{13}{section.5.1}%
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\contentsline {section}{\numberline {5.1}Beschreibung}{13}{section.5.1}%
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\contentsline {section}{\numberline {5.2}Schaltplan}{13}{section.5.2}%
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\contentsline {chapter}{\numberline {6}Die Software}{15}{chapter.6}%
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\contentsline {chapter}{\numberline {6}Beschreibung der Hardware}{15}{chapter.6}%
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\contentsline {section}{\numberline {6.1}Timer 2}{15}{section.6.1}%
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\contentsline {chapter}{\numberline {7}Beschreibung der Software}{17}{chapter.7}%
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\contentsline {section}{\numberline {6.2}Timer 1}{15}{section.6.2}%
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\contentsline {section}{\numberline {7.1}Timer 1}{17}{section.7.1}%
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\contentsline {section}{\numberline {6.3}Timer 0}{15}{section.6.3}%
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\contentsline {subsection}{\numberline {7.1.1}Timer einstellen}{17}{subsection.7.1.1}%
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\contentsline {subsection}{\numberline {6.3.1}Timer einstellen}{15}{subsection.6.3.1}%
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\contentsline {section}{\numberline {7.2}Sinus Mithörton durch Pulsweitenmodulation}{17}{section.7.2}%
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\contentsline {section}{\numberline {6.4}Sinus Mithörton durch Pulsweitenmodulation}{15}{section.6.4}%
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\contentsline {subsection}{\numberline {7.2.1}Grundlagen}{17}{subsection.7.2.1}%
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\contentsline {subsection}{\numberline {6.4.1}Grundlagen}{16}{subsection.6.4.1}%
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\contentsline {subsubsection}{\nonumberline Pulsweitenmodulation}{18}{subsubsection*.10}%
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\contentsline {subsubsection}{\nonumberline Pulsweitenmodulation}{16}{subsubsection*.8}%
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\contentsline {subsection}{\numberline {7.2.2}Sinustabelle}{19}{subsection.7.2.2}%
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\contentsline {subsection}{\numberline {6.4.2}Sinustabelle}{19}{subsection.6.4.2}%
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\contentsline {chapter}{\numberline {A}Entwicklungsumgebung}{25}{appendix.A}%
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\contentsline {chapter}{\numberline {7}Entwicklungsumgebung}{21}{chapter.7}%
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\contentsline {chapter}{\nonumberline Tabellen}{23}{chapter*.14}%
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\contentsline {chapter}{\nonumberline Abbildungen}{25}{chapter*.15}%
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\providecommand \tocbasic@end@toc@file {}\tocbasic@end@toc@file
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\providecommand \tocbasic@end@toc@file {}\tocbasic@end@toc@file
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#!/usr/bin/python
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#!/usr/bin/env python
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#
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#
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# pwm_sinewave
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# pwm_sinewave
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#
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#
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# Calculate values for generate a PWM table for a Sinewave
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# Calculate values for generate a PWM table for a Sinewave
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# Used on a AVR ATMEGA 328
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# Used on a AVR ATMEGA 328
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#
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#
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# 2013-02-24 tom@dl7bj.de Tom, DL7BJ
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# 2023-07-10 tom@dl7bj.de Tom, DL7BJ
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#
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#
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frequency = 488
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import sys
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cpuclock = 8000000
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import matplotlib.pyplot as plot
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pwmbit = 32
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from math import pi, sin, cos, asin, acos
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maxdutycycle = 98
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mindutycycle = 2
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pwmbit = 63
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zerobeat = 128
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peaktopeak = 254
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def compute_sinewave(pwmbit, fpeaktopeak, zerobeat):
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def compute_sinewave(pwmbit, fpeaktopeak, zerobeat):
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t = 1
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t = 0
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ul = []
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ul = []
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tl = []
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tl = []
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l = 0
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while t <= pwmbit:
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while t <= pwmbit:
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u = sin(2*pi*t/pwmbit)
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u = sin(2*pi*t/pwmbit)
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u = u * fpeaktopeak/2
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u = u * fpeaktopeak/2
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u = u + zerobeat
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u = u + zerobeat
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u = int(round(u))
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u = int(round(u))
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print(' ',u,',\t//',t)
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if t < pwmbit:
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print(format(u,'#04x'),',',sep='',end='')
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else:
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print(format(u,'#04x'),' ',sep='',end='')
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l = l + 1
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if l == 16:
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print(' // ', t + 1)
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l = 0
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ul.append(u)
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ul.append(u)
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tl.append(t)
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tl.append(t)
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t = t + 1
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t = t + 1
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return ul,tl
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return ul,tl
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import sys
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from math import pi, sin
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from scitools.std import *
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if maxdutycycle <= mindutycycle:
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print("Error - maxdutycycle must be greater than mindutycycle")
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if maxdutycycle == 100:
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maxamplitude = pwmbit - 1
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else:
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maxamplitude = int((round(pwmbit * maxdutycycle/100.0)))
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if mindutycycle == 0:
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minamplitude = 1
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else:
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minamplitude = int((round(pwmbit * mindutycycle/100.0)))
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peaktopeak = maxamplitude - minamplitude
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print("Amplitude from ", minamplitude, " to ", maxamplitude, "(", peaktopeak," Schritte)")
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zerobeat = int(round((minamplitude + maxamplitude)/2.0))
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print("Zerobeat on PWM step ", zerobeat)
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print("Zerobeat on PWM step ", zerobeat)
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print("Peak to peak on PWN ", peaktopeak)
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fpeaktopeak = float(peaktopeak)
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print("const unsigned char sinewave[] PROGMEM = {")
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ulist,tlist = compute_sinewave(pwmbit,peaktopeak,zerobeat)
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ulist,tlist = compute_sinewave(pwmbit,fpeaktopeak,zerobeat)
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print("};")
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plot(tlist,ulist)
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plot.plot(tlist,ulist)
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savefig('tmp.eps')
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plot.savefig('../Pictures/sinewave-line.jpg')
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plot.plot(tlist,ulist,linestyle=':',marker='.')
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plot.savefig('../Pictures/sinewave-dots.jpg')
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print("Ready.")
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print("Ready.")
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