Slawek Komarowski / DS1820

no chance

Dependencies:   LinkedList

Dependents:   10_ETH_SD_JPG

Fork of DS1820 by Erik -

Diff: DS1820.cpp

Revision:
4:29264b0a2c9f
Parent:
3:8f2b7f4940b5
Child:
5:2cd4928e8147
--- a/DS1820.cpp	Thu Aug 01 10:18:17 2013 +0000
+++ b/DS1820.cpp	Wed Aug 07 11:02:10 2013 +0000
@@ -151,7 +151,10 @@
             if (ROM_bit_index != 0xFF) {
                 for(byte_counter=0;byte_counter<8;byte_counter++)
                     ROM[byte_counter] = DS1820_search_ROM[byte_counter];
-                return_value = true;
+                if (ROM_checksum_error())           // Check the CRC
+                    DS1820_last_descrepancy = 0;    // Abort any more search
+                else
+                    return_value = true;
             }
         }
         if (DS1820_last_descrepancy == 0)