Projekt Open2300 je poizkus napisati odprto in prosto programsko opremo za komunikacijo z vremensko postajo WS2300. Paket je sestavljen iz večih programov v izvorni kodi, dobro dokumentiran in opremljen s primeri. Preveden paket za instalacijo na naš sistem za arhitekturo I386 lahko snamete tukaj.
Paket je nujno potreben za komunikacijo z vremensko postajo. Sestavljen je iz več programov, od katerih naj omenim samo nekatere:
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Prijavimo se kot uporabnik "vp". Pazi! Zaradi pravilnega delovanja in v izogib težavam je potrebno naslednje korake obvezno narediti kot uporabnik vp in ne kot root. V primeru da boste postopek izvajali kot root, ne boste imeli kot navaden uporabnik pravic za delo, in postaja ne bo delovala. Najprej z gornjega linka snamite Open2300. V domači mapi uporabnika vp naredite imenik temp (cd /home/vp;mkdir temp) in skopirajte arhiv vanj. Sedaj se postavite v imenik temp (cd temp) in odpakirajte arhiv z ukazom "tar -xzf open2300-bin.tar.gz" |
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| V domačem imeniku uporabnika vp naredimo mapo "bin" (če je še ni) -> "mkdir /home/vp/bin/". Programske datoteke iz arhiva skopiramo v to mapo "cp /home/vp/temp/open2300-bin/open2300 /home/vp/bin" ali pa si pomagamo s "Polnočnim poveljnikom" |
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| Kot root konfiguracijsko datoteko "open2300-dist.conf" skopiramo v /etcč direktorij pod imenom "open2300.conf" -> "cp /home/vp/temp/open2300-bin/open2300-dist.conf /etc/open2300.conf". Za spreminjanje uporabimo "mc" "F4 = Edit". |
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| Pa si poglejmo konfiguracijsko datoteko open2300. Vse od znaka # naprej je komentar. |
# open2300.conf # # Configuration files for open2300 weather station tools # # Default locations in which the programs will search for this file: # Programs search in this sequence: # 1. Path to config file including filename given as parameter (not supported by all tools) # 2. ./open2300.conf (current working directory) # 3. /usr/local/etc/open2300.conf (typical Linux location) # 4. /etc/open2300.conf (typical Linux location) # # All names are case sensitive!!! # Set to your serial port and time zone # For Windows use COM1, COM2, COM2 etc # For Linux use /dev/ttyS0, /dev/ttyS1 etc SERIAL_DEVICE /dev/ttyS0 # /dev/ttyS0, /dev/ttyS1, COM1, COM2 etc TIMEZONE 1 # Hours Relative to UTC. East is positive, west is negative COM1 = /dev/ttyS0 COM2 = /dev/ttyS1 itd. Časovni pas pri nas je sevada 1 # Units of measure (set them to your preference) # The units of measure are ignored by wu2300 and cw2300 because both requires specific units WIND_SPEED m/s # select MPH (miles/hour), m/s, or km/h TEMPERATURE C # Select C or F RAIN mm # Select mm or IN PRESSURE hPa # Select hPa, mb or INHG #### Citizens Weather variables (used only by cw2300) # Format for latitude is # [2 digit degrees][2 digit minutes].[2 decimals minutes - NOT seconds][N for north or S for south] # Format for longitude is # [3 digit degrees][2 digit minutes].[2 decimals minutes - NOT seconds][E for east or W for west] # Use leading zeros to get the format ####.##N (lat) and #####.##E (long) CITIZEN_WEATHER_ID CW0000 # CW0000 should be replaced by HAM call or actual CW number CITIZEN_WEATHER_LATITUDE 4630.1229N # DDMM.mmN or S - example 55 deg, 40.23 minutes north CITIZEN_WEATHER_LONGITUDE 1608.7396E # DDDMM.mmE or W - example 12 deg, 24.60 minutes east APRS_SERVER aprswest.net 23 # These are the APRS servers and ports for APRS_SERVER indiana.aprs2.net 23 # Citizens Weather reporting. APRS_SERVER newengland.aprs2.net 23 # They they are tried in the entered order APRS_SERVER aprsca.net 23 # you may enter up to 5 alternate servers Pri vpisu longitude je potrebno pri stopinjah obvezno vpisati vodilno ničlo, ker se drugače podatki ne prenesejo. (Je trajalo 3 ure in 5 sivih las preden sem pogruntal napako) Podatke vpišemo samo, če bomo podatke pošiljali na CWOP#### WEATHER UNDERGROUND variables (used only by wu2300) WEATHER_UNDERGROUND_ID WUID # ID received from Weather Underground WEATHER_UNDERGROUND_PASSWORD WUPASSWORD # Password for Weather Underground ### MYSQL Settings (only used by mysql2300) MYSQL_HOST localhost # Localhost or IP address/host name MYSQL_USERNAME open2300 # Name of the MySQL user that has access to the database MYSQL_PASSWORD mysql2300 # Password for the MySQL user MYSQL_DATABASE open2300 # Named of your database MYSQL_PORT 0 # TCP/IP Port number. Zero means default #PGSQL_CONNECT hostaddr='127.0.0.1'dbname='open2300'user='postgres'password='sql' # Connection string #PGSQL_TABLE weather # Table name #PGSQL_STATION open2300 # Unique station id |
| Sedaj lahko preizkusimo povezavo z vremensko postajo. Najhitreje to naredimo z ukazom "/home/vp/bin/dump2300 /dev/null 0 10". |
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| Če se nam je postaje prej odzvala, poizkusimo še prebrati trenutne podatke z "/home/vp/bin/fetch2300" |
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Povezavo s postajo smo tako uspešno zaključili. Naslednja naloga je periodično čitanje podatkov iz postaje.