check in owflash.py / non stop on error DS2438

[owPython.git] / owlib.py

diff --git a/owlib.py b/owlib.py
index 04f2ade..7dee3e6 100644 (file)
--- a/owlib.py
+++ b/owlib.py
@@ -182,12 +182,13 @@ class owDevice:
        
        def readConfig(self):
                self.config=owcom(self.owid,[0x85],26)
+               print self.config
                if self.config[0]==0xFF:
                        print("No Deviceconfig. Not a Device form tm3d.de. Set Default");
                        self.setdefaultConfig()
                else:
                        if self.config[25]==0xFF:
-                               if not(crc8(self.config[0:24])):
+                               if crc8(self.config[0:24]):
                                        print("CRC Error reading Deviceconfig. Set Default")
                                        self.setdefaultConfig()
                        else:
@@ -285,12 +286,16 @@ class owDS2438(owDevice):
                owcom(self.owid,[0xB4],0)
                time.sleep(0.01)
                sp=self.readScratchpad(0,True)
+               if sp==[]:
+                       return
                temp=ow_fconvert(sp[1],sp[2]);
                VDD=ow_fconvert(sp[3],sp[4]);
                self.setConfigByte(0x00)
                owcom(self.owid,[0xB4],0)
                time.sleep(0.01)
                sp=self.readScratchpad(0,True);
+               if sp==[]: 
+                       return
                I=ow_fconvert(sp[5],sp[6]);
                VAD=ow_fconvert(sp[3],sp[4]);
                self.raw[0]=temp;