Bruno Cavalcanti
/
DS1820
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Revision 4:29264b0a2c9f, committed 2013-08-07
- Comitter:
- pairmand
- Date:
- Wed Aug 07 11:02:10 2013 +0000
- Parent:
- 3:8f2b7f4940b5
- Child:
- 5:2cd4928e8147
- Commit message:
- Added check of CRC to end of search_ROM
Changed in this revision
| DS1820.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- 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)