{"id":1191,"date":"2016-04-07T12:32:26","date_gmt":"2016-04-07T12:32:26","guid":{"rendered":"http:\/\/www.horter.de\/blog\/?p=1191"},"modified":"2023-01-13T15:34:08","modified_gmt":"2023-01-13T15:34:08","slug":"i2c-funksender-am-raspberry","status":"publish","type":"post","link":"https:\/\/www.horter.de\/blog\/i2c-funksender-am-raspberry\/","title":{"rendered":"I2C-Funksender am Raspberry"},"content":{"rendered":"

diesen Beispielcode hat mir Steffen G. freundlicherweise zur Verf\u00fcgung gestellt.<\/p>\n

Mit dem Code k\u00f6nnen bis zu 160 Funksteckdosen geschaltet werden.<\/p>\n

Das Modul h\u00e4ngt \u00fcber einen\u00a0I2C-Repeater am Raspberry-PI<\/p>\n

\"433MHz<\/a>

433-MHz Funksender am Raspberry-PI<\/p><\/div>\n

 <\/p>\n

Funksteckdosen mit Python schalten<\/h1>\n
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Hallo Herr Horter,
\n<\/em>ich habe f\u00fcr das I2HFS-Modul ein kleines Python-Skipt geschrieben, welches sie gern im Blog mit ver\u00f6ffentlichen k\u00f6nnen.
\n<\/em>Das Skript hei\u00dft „i2hfs.py“.<\/em><\/p><\/blockquote>\n<\/div>\n<\/div>\n

 <\/p>\n

Download:<\/u><\/strong><\/h3>\n\n\tPython-Code f\u00fcr Funksender\t(6066 Downloads\t)\n<\/a>\n\n<\/div>\n

 <\/p>\n

Usage:<\/b><\/u><\/h3>\n

==============================
\nHorter I2HFS I2C-433 MHz Modul
\n==============================<\/p>\n

Usage: .\/i2hfs.py -a [ADDRESS] -p [PROTOCOL] -s [SYSCODE] -v [VALUE]<\/p>\n

-h\u00a0\u00a0\u00a0 –help=\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0 show Usage
\n-a\u00a0\u00a0\u00a0 –address=\u00a0\u00a0\u00a0 \u00a0 I2C-ADDRESS as Integer
\n-p\u00a0\u00a0\u00a0 –protocol=\u00a0\u00a0\u00a0 \u00a0 Protocol as Integer [1-15]
\n-s\u00a0\u00a0\u00a0 –syscode=\u00a0\u00a0\u00a0\u00a0 Systemcode as Integer-Bitmask [0-31]
\n-v\u00a0\u00a0\u00a0 –value=\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Value as Integer-Bitmask [0-255]<\/p>\n<\/div>\n

Es m\u00fcssen alle vier Parameter angegeben werden.<\/p>\n<\/div>\n

Die I2C-Adresse muss als Integer angegeben werden, also 8 statt 0x08.<\/p>\n<\/div>\n

Als Protokoll ist nur „1“ im Moment zul\u00e4ssig.<\/p>\n<\/div>\n

Der Systemcode und der Value sind ebenfalls als Integer anzugeben. Diese Werte symbolisieren eine Bitmaske.<\/p>\n

Hinweis:<\/b><\/u><\/h3>\n<\/div>\n
Das Skript geht davon aus, dass der I2C-Bus 2 verwendet wird (BananaPi).<\/div>\n
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Beim Raspberry Pi muss im Skript der Bus auf 1 gesetzt werden.<\/p>\n

# create I2C-instance
\nI2HFS = smbus.SMBus(2)<\/p>\n<\/div>\n

\n

Beispiel:<\/b><\/u><\/h3>\n

.\/i2hfs.py -a8 -p1 -s12 -v3<\/i><\/b><\/p>\n

Adresse<\/b>:\u00a0\u00a0\u00a0 0x08
\nProtokoll:<\/b>\u00a0\u00a0 1
\nSystemcode:<\/b> DIP-Schalter\u00a03 und\u00a04 sind an, also
\n2^0 low = 0
\n2^1 low = 0
\n2^2 high = 4
\n2^3 high = 8
\n2^4 low = 0<\/p>\n<\/div>\n

\n

Bytes: [ 15 0 0 15 15 ]<\/p>\n

Value: <\/b>Steckdosen mit Adresse 1 und 2 sollen geschaltet werden, also<\/p>\n<\/div>\n

2^0 high = 1<\/div>\n
2^1 high = 2<\/div>\n
2^2 low = 0
\n2^3 low = 0
\n2^4 low = 0
\n2^5 low = 0
\n2^6 low = 0
\n2^7 low = 0Bytes: [ 129 130 3 4 5 6 7 8 ]<\/div>\n
Mit dem Skript k\u00f6nnen theoretisch 8 Verbraucher (Funksteckdosen) mit Protokoll 1 und gleichem Systemcode gleichzeitig geschalten werden.<\/div>\n
Dies wird \u00fcber den Parameter -v, der als Integer-Bitmaske anzugeben ist, realisiert.<\/div>\n
Da die Pollin-Dosen nur 5 DIP-Schalter f\u00fcr die Adressierung haben, k\u00f6nnen also gleichzeitig anstatt der m\u00f6glichen 8 nur 5 Dosen geschaltet werden.<\/div>\n
<\/div>\n
Maximal k\u00f6nnen von den Pollindosen 1 x 32 x 5 = 160 Dosen angesteuert werden.<\/div>\n
<\/div>\n
<\/div>\n
<\/div>\n
<\/div>\n

Python Beispielcode i2hfs.py<\/h2>\n
<\/div>\n
#!\/usr\/bin\/python<\/span>\r\n\r\nfrom<\/span> __future__ import<\/span> print_function\r\nimport<\/span> smbus\r\nimport<\/span> sys\r\nimport<\/span> time\r\nimport<\/span> getopt\r\n\r\nADDRESS =<\/span> ''<\/span>\t# I2C-address as integer [8-31]<\/span>\r\nPROTOCOL =<\/span> ''<\/span>\t# protocol as integer [1-15]<\/span>\r\nSYSCODE =<\/span> ''<\/span>\t# system-code as integer-bitmask<\/span>\r\nVALUE =<\/span> ''<\/span>\t\t# value as integer-bitmask<\/span>\r\n\r\ndef<\/span> usage(<\/span>)<\/span>:<\/span>\r\n  print<\/span>(<\/span>\"<\/span>\\n<\/span>==============================\"<\/span>)<\/span>\r\n  print<\/span>(<\/span>\"Horter I2HFS I2C-433 MHz Modul\"<\/span>)<\/span>\r\n  print<\/span>(<\/span>\"==============================<\/span>\\n<\/span>\"<\/span>)<\/span>\r\n  print<\/span>(<\/span>'Usage: '<\/span>+<\/span>sys.<\/span>argv[<\/span>0<\/span>]<\/span>+<\/span>' -a [ADDRESS] -p [PROTOCOL] -s [SYSCODE] -v [VALUE]'<\/span>)<\/span>\r\n  print<\/span>(<\/span>\"<\/span>\\r<\/span>\"<\/span>)<\/span>\r\n  print<\/span>(<\/span>\"-h<\/span>\\t<\/span>--help<\/span>\\t<\/span>\\t<\/span>\\t<\/span>show Usage\"<\/span>)<\/span>\r\n  print<\/span>(<\/span>\"-a<\/span>\\t<\/span>--address=<\/span>\\t<\/span>M<\/span>\\t<\/span>I2C-ADDRESS as Integer\"<\/span>)<\/span>\r\n  print<\/span>(<\/span>\"-p<\/span>\\t<\/span>--protocol=<\/span>\\t<\/span>M<\/span>\\t<\/span>Protocol as Integer [1-15]\"<\/span>)<\/span>\r\n  print<\/span>(<\/span>\"-s<\/span>\\t<\/span>--syscode=<\/span>\\t<\/span>M<\/span>\\t<\/span>Systemcode as Integer-Bitmask [0-31]\"<\/span>)<\/span>\r\n  print<\/span>(<\/span>\"-v<\/span>\\t<\/span>--value=<\/span>\\t<\/span>M<\/span>\\t<\/span>Value as Integer-Bitmask [0-255]<\/span>\\n<\/span>\"<\/span>)<\/span>\r\n\r\ndef<\/span> protocol_01(<\/span>)<\/span>:<\/span>  \r\n  # create I2C-instance<\/span>\r\n  I2HFS =<\/span> smbus.<\/span>SMBus(<\/span>2<\/span>)<\/span>\r\n  \r\n  # write protocol ############################################################<\/span>\r\n  REGISTER =<\/span> 0x02<\/span>\r\n  DATA =<\/span> [<\/span> PROTOCOL,<\/span> 0x01<\/span> ]<\/span>\r\n  I2HFS.<\/span>write_i2c_block_data(<\/span>ADDRESS,<\/span> REGISTER,<\/span> DATA)<\/span>\r\n\r\n  time.<\/span>sleep(<\/span>0.05<\/span>)<\/span>\r\n\r\n  # write systemcode ##########################################################<\/span>\r\n  REGISTER =<\/span> 0x00<\/span>\r\n  DATA =<\/span> [<\/span> 15<\/span>,<\/span> 15<\/span>,<\/span> 15<\/span>,<\/span> 15<\/span>,<\/span> 15<\/span> ]<\/span>\r\n  \r\n  V_STRING =<\/span> bin(<\/span>SYSCODE)<\/span>\t# e.g 0b1010<\/span>\r\n  V =<\/span> V_STRING[<\/span>2<\/span>:<\/span>]<\/span>\t\t\t# e.g 1010<\/span>\r\n\r\n  i =<\/span> len<\/span>(<\/span>V)<\/span> -<\/span> 1<\/span>\r\n  n =<\/span> 0<\/span>\r\n  while<\/span> i >=<\/span> 0<\/span>:<\/span>\r\n    BIT =<\/span> V[<\/span>i:<\/span>]<\/span>[<\/span>:<\/span>1<\/span>]<\/span>\r\n    if<\/span> BIT ==<\/span> \"1\"<\/span>:<\/span>\r\n      DATA[<\/span>n]<\/span> =<\/span> 0<\/span>\r\n\r\n    i =<\/span> i -<\/span> 1<\/span>\r\n    n =<\/span> n +<\/span> 1<\/span>\r\n\t\r\n  print<\/span> (<\/span>\"<\/span>\\n<\/span>SYSTEMCODE=<\/span>\\t<\/span>\"<\/span>,<\/span>DATA)<\/span>\r\n\r\n  I2HFS.<\/span>write_i2c_block_data(<\/span>ADDRESS,<\/span> REGISTER,<\/span> DATA)<\/span>\r\n\r\n  time.<\/span>sleep(<\/span>0.05<\/span>)<\/span>\r\n\r\n  # write value ###############################################################<\/span>\r\n  DATA =<\/span> [<\/span> 1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>,<\/span> 6<\/span>,<\/span> 7<\/span>,<\/span> 8<\/span> ]<\/span>\r\n\r\n  V_STRING =<\/span> bin(<\/span>VALUE)<\/span>\t\t# e.g. 0b1010<\/span>\r\n  V =<\/span> V_STRING[<\/span>2<\/span>:<\/span>]<\/span>\t\t\t# e.g. 1010<\/span>\r\n\r\n  i =<\/span> len<\/span>(<\/span>V)<\/span> -<\/span> 1<\/span>\r\n  n =<\/span> 0<\/span>\r\n  while<\/span> i >=<\/span> 0<\/span>:<\/span>\r\n    BIT =<\/span> V[<\/span>i:<\/span>]<\/span>[<\/span>:<\/span>1<\/span>]<\/span>\r\n    if<\/span> BIT ==<\/span> \"1\"<\/span>:<\/span>\r\n      DATA[<\/span>n]<\/span> =<\/span> n +<\/span> 1<\/span> +<\/span> 128<\/span>\r\n\r\n    i =<\/span> i -<\/span> 1<\/span>\r\n    n =<\/span> n +<\/span> 1<\/span>\r\n\t\r\n  print<\/span> (<\/span>\"VALUE=<\/span>\\t<\/span>\\t<\/span>\"<\/span>,<\/span>DATA,<\/span>\"<\/span>\\n<\/span>\"<\/span>)<\/span>\r\n\r\n  # check if module is sending<\/span>\r\n  REGISTER =<\/span> 0x02<\/span>\r\n  STATUS =<\/span> I2HFS.<\/span>read_i2c_block_data(<\/span>ADDRESS,<\/span> REGISTER,<\/span> 8<\/span>)<\/span>\r\n  while<\/span> STATUS[<\/span>2<\/span>]<\/span> !=<\/span> 15<\/span>:<\/span>\t# also 0xAC = 172 = ACtive<\/span>\r\n    time.<\/span>sleep(<\/span>0.01<\/span>)<\/span>\r\n    STATUS =<\/span> I2HFS.<\/span>read_i2c_block_data(<\/span>ADDRESS,<\/span> REGISTER,<\/span> 8<\/span>)<\/span>\r\n\r\n  time.<\/span>sleep(<\/span>0.05<\/span>)<\/span>\r\n  \r\n  # write value only if module is not sending<\/span>\r\n  if<\/span> STATUS[<\/span>2<\/span>]<\/span> ==<\/span> 15<\/span>:<\/span>\t\t# also 0x0F = 15 = OFF<\/span>\r\n    REGISTER =<\/span> 0x01<\/span>\r\n    I2HFS.<\/span>write_i2c_block_data(<\/span>ADDRESS,<\/span> REGISTER,<\/span> DATA)<\/span>\r\n  \r\ndef<\/span> main(<\/span>argv)<\/span>:<\/span>\r\n\r\n  global<\/span> ADDRESS\r\n  global<\/span> PROTOCOL\r\n  global<\/span> SYSCODE\r\n  global<\/span> VALUE\r\n  \r\n  try<\/span>:<\/span>\r\n    opts,<\/span> args =<\/span> getopt.<\/span>getopt(<\/span>argv,<\/span>\"ha:p:s:v:\"<\/span>,<\/span>[<\/span>\"address=\"<\/span>,<\/span>\"protocol=\"<\/span>,<\/span>\"syscode=\"<\/span>,<\/span>\"value=\"<\/span>]<\/span>)<\/span>\r\n  except<\/span> getopt.<\/span>GetoptError:<\/span>\r\n    usage(<\/span>)<\/span>\r\n    sys.<\/span>exit(<\/span>2<\/span>)<\/span>\r\n  for<\/span> opt,<\/span> arg in<\/span> opts:<\/span>\r\n    if<\/span> opt ==<\/span> '-h'<\/span>:<\/span>\r\n      usage(<\/span>)<\/span>\r\n      sys.<\/span>exit(<\/span>)<\/span>\r\n    elif<\/span> opt in<\/span> (<\/span>\"-a\"<\/span>,<\/span> \"--address\"<\/span>)<\/span>:<\/span>\r\n      ADDRESS =<\/span> int<\/span>(<\/span>arg)<\/span>\r\n    elif<\/span> opt in<\/span> (<\/span>\"-p\"<\/span>,<\/span> \"--protocol\"<\/span>)<\/span>:<\/span>\r\n      PROTOCOL =<\/span> int<\/span>(<\/span>arg)<\/span>\r\n    elif<\/span> opt in<\/span> (<\/span>\"-s\"<\/span>,<\/span> \"--syscode\"<\/span>)<\/span>:<\/span>\r\n      SYSCODE =<\/span> int<\/span>(<\/span>arg)<\/span>\r\n    elif<\/span> opt in<\/span> (<\/span>\"-v\"<\/span>,<\/span> \"--value\"<\/span>)<\/span>:<\/span>\r\n      VALUE =<\/span> int<\/span>(<\/span>arg)<\/span>\r\n\r\n  if<\/span> ADDRESS ==<\/span> ''<\/span>:<\/span>\r\n    usage(<\/span>)<\/span>\r\n    sys.<\/span>exit(<\/span>2<\/span>)<\/span>\r\n\r\n  if<\/span> VALUE ==<\/span> ''<\/span>:<\/span>\r\n    usage(<\/span>)<\/span>\r\n    sys.<\/span>exit(<\/span>2<\/span>)<\/span>\r\n\t\r\n  if<\/span> SYSCODE ==<\/span> ''<\/span>:<\/span>\r\n    usage(<\/span>)<\/span>\r\n    sys.<\/span>exit(<\/span>2<\/span>)<\/span>\r\n\t\r\n  if<\/span> PROTOCOL ==<\/span> ''<\/span>:<\/span>\r\n    usage(<\/span>)<\/span>\r\n    sys.<\/span>exit(<\/span>2<\/span>)<\/span>\r\n  elif<\/span> PROTOCOL ==<\/span> 1<\/span>:<\/span>\r\n    protocol_01(<\/span>)<\/span>\r\n  else<\/span>:<\/span>\r\n    print<\/span>(<\/span>\"<\/span>\\n<\/span>Protocol\"<\/span>,<\/span>PROTOCOL,<\/span>\"not available!<\/span>\\n<\/span>\"<\/span>)<\/span>\r\n\r\nif<\/span> __name__<\/span> ==<\/span> \"__main__\"<\/span>:<\/span>\r\n  main(<\/span>sys.<\/span>argv[<\/span>1<\/span>:<\/span>]<\/span>)<\/span>\r\n<\/pre>\n
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diesen Beispielcode hat mir Steffen G. freundlicherweise zur Verf\u00fcgung gestellt. Mit dem Code k\u00f6nnen bis zu 160 Funksteckdosen geschaltet werden. Das Modul h\u00e4ngt \u00fcber einen\u00a0I2C-Repeater am Raspberry-PI   Funksteckdosen mit Python schalten Hallo Herr Horter, ich habe f\u00fcr das I2HFS-Modul… mehr lesen<\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[255],"tags":[103,160,111,149,105,161,66,158,159],"class_list":["post-1191","post","type-post","status-publish","format-standard","hentry","category-raspberry-pi","tag-433-mhz","tag-ansteuern","tag-funksender","tag-funksteckdosen","tag-funksteckdosen-set","tag-python","tag-raspberri-pi","tag-steckdosen","tag-steckdusen-schalten"],"yoast_head":"\nI2C-Funksender am Raspberry - Horter & Kalb Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.horter.de\/blog\/i2c-funksender-am-raspberry\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"I2C-Funksender am Raspberry - Horter & Kalb Blog\" \/>\n<meta property=\"og:description\" content=\"diesen Beispielcode hat mir Steffen G. freundlicherweise zur Verf\u00fcgung gestellt. Mit dem Code k\u00f6nnen bis zu 160 Funksteckdosen geschaltet werden. Das Modul h\u00e4ngt \u00fcber einen\u00a0I2C-Repeater am Raspberry-PI   Funksteckdosen mit Python schalten Hallo Herr Horter, ich habe f\u00fcr das I2HFS-Modul... mehr lesen\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.horter.de\/blog\/i2c-funksender-am-raspberry\/\" \/>\n<meta property=\"og:site_name\" content=\"Horter & Kalb Blog\" \/>\n<meta property=\"article:published_time\" content=\"2016-04-07T12:32:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-01-13T15:34:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.horter.de\/blog\/wp-content\/uploads\/2016\/04\/Raspberry-Funksender.png\" \/>\n\t<meta property=\"og:image:width\" content=\"595\" \/>\n\t<meta property=\"og:image:height\" content=\"495\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"JH\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Verfasst von\" \/>\n\t<meta name=\"twitter:data1\" content=\"JH\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"4\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.horter.de\/blog\/i2c-funksender-am-raspberry\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.horter.de\/blog\/i2c-funksender-am-raspberry\/\"},\"author\":{\"name\":\"JH\",\"@id\":\"https:\/\/www.horter.de\/blog\/#\/schema\/person\/a8a4c3c5d3167dce7c7d31df6088b5d2\"},\"headline\":\"I2C-Funksender am Raspberry\",\"datePublished\":\"2016-04-07T12:32:26+00:00\",\"dateModified\":\"2023-01-13T15:34:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.horter.de\/blog\/i2c-funksender-am-raspberry\/\"},\"wordCount\":315,\"commentCount\":1,\"publisher\":{\"@id\":\"https:\/\/www.horter.de\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.horter.de\/blog\/i2c-funksender-am-raspberry\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.horter.de\/blog\/wp-content\/uploads\/2016\/04\/Raspberry-Funksender.png\",\"keywords\":[\"433 MHz\",\"ansteuern\",\"Funksender\",\"Funksteckdosen\",\"Funksteckdosen Set\",\"Python\",\"Raspberri PI\",\"Steckdosen\",\"Steckdusen schalten\"],\"articleSection\":[\"Raspberry PI\"],\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.horter.de\/blog\/i2c-funksender-am-raspberry\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.horter.de\/blog\/i2c-funksender-am-raspberry\/\",\"url\":\"https:\/\/www.horter.de\/blog\/i2c-funksender-am-raspberry\/\",\"name\":\"I2C-Funksender am Raspberry - 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