X-Git-Url: http://git.smho.de/gw/?p=owSlave2.git;a=blobdiff_plain;f=tools%2FowReadBMP.py;fp=tools%2FowReadBMP.py;h=0000000000000000000000000000000000000000;hp=00eac22290fb0110f81f954f8ca7c394190085a7;hb=5398c69061a72e7a6ad3423c4e17516ee6d09de6;hpb=22b81b6c288ca56f58d064627c310e437f9453a4 diff --git a/tools/owReadBMP.py b/tools/owReadBMP.py deleted file mode 100644 index 00eac22..0000000 --- a/tools/owReadBMP.py +++ /dev/null @@ -1,130 +0,0 @@ -#!/usr/bin/python -# Copyright (c) 2015, Tobias Mueller tm(at)tm3d.de -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are -# met: -# -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in the -# documentation and/or other materials provided with the -# distribution. -# * All advertising materials mentioning features or use of this -# software must display the following acknowledgement: This product -# includes software developed by tm3d.de and its contributors. -# * Neither the name of tm3d.de nor the names of its contributors may -# be used to endorse or promote products derived from this software -# without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - - - -import time -import subprocess -import sys - -def owcom(dev,send,rc): - res=[] - f=open("/sys/bus/w1/devices/%s/rw" %(dev),"r+b",0) - f.write("".join(map(chr, send))) - if (rc!=0): - res=map(ord,f.read(rc)) - f.close() - return res - - -def crc8(arr): - lscrc=0x0; - for v in arr: - bit=1; - while bit<256: - if (v&bit)==bit: - lb=1 - else: - lb=0 - if (lscrc&1)!=lb: - lscrc=(lscrc>>1)^0x8c - else: - lscrc=(lscrc>>1) - bit=bit*2 - return lscrc - -def testnr(s): - for c in s.lower()[:]: - if not((c) in ['0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f','-']): - return False - return True - -def addid(id,val): - for i in range(7): - id[i+1]=id[i+1]+val - if id[i+1]>254: - id[i+1]=id[i+1]-254 - val=1 - else: - return id - return id -# - - -l=subprocess.check_output("ls /sys/bus/w1/devices/", shell=True) -dc=0 -dl=[] -for g in (l.split("\n")): - if len(g)>2: - if testnr(g[0:2]): - if (g[0:2]=="26"): - dl.append(g) - dc=dc+1 - print dc,") ",g -if dc==0: - print "No 26 1-Wire Device found" - exit(0) -n=int(raw_input("No. of Device (28-Device will get automatically): ")) -n=n-1 -if (n>dc-1)or(n<0): - exit(0) -s=dl[n] -config=owcom(s,[0x85],17) -print(config) -s2="%02x-%02x%02x%02x%02x%02x%02x" % (config[9],config[15],config[14],config[13],config[12],config[11],config[10]) -print("Second Device: %s" %( s2)) -f=open("/sys/bus/w1/devices/%s/w1_slave" %(s2),"rb",0) -res=f.read().split(" ") -f.close() -Press=((int(res[0],16)+int(res[1],16)*256)/16.0*3.2+700) -owcom(s,[0x4E,0x00,0x01],0) -owcom(s,[0x44],0) -time.sleep(1) -owcom(s,[0xB4],0) -time.sleep(1) - -p=owcom(s,[0xBE,0x00],10) -print (p) -T=((p[1]+p[2]*256)/256.0) -if (config[5]==8): - RH=((p[3]+p[4]*256)/100.0) -if (config[5]==7): - RH=(((p[3]+p[4]*256)/ 500.0 - 0.16) / 0.0062) / (1.0546 - 0.00216*T); - -print("Temperatur: %f °C" %(T)); -print("Luftfeuchte: %f %%" %(RH)); -print("Druck (absolut): %f hPa" %(Press)); -h=float(raw_input("Höhe über Meerespiegel in m: ")) -P0=Press/((1-h/44330)**5.255) -print("Druck (normalisiert): %f hPa" %(P0));