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comparison 1wire.h @ 75:39d629c7d935

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Change error #define's so that they are outside the range the DS1820 can report.
author darius@Inchoate
date Wed, 21 Jan 2009 22:50:43 +1030
parents 1ef17cd8af7a
children 4abce5954d25
comparison
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74:e3d1f56ba0c8 75:39d629c7d935
78 /* Family codes */ 78 /* Family codes */
79 #define OW_FAMILY_ROM 0x09 79 #define OW_FAMILY_ROM 0x09
80 #define OW_FAMILY_TEMP 0x10 80 #define OW_FAMILY_TEMP 0x10
81 81
82 /* Return codes for OWGetTemp */ 82 /* Return codes for OWGetTemp */
83 /* XXX: make bigger otherwise we can't handle stuff below -10C */ 83 #define OW_TEMP_BADVAL -6000
84 #define OW_TEMP_BADVAL -1000 84 #define OW_TEMP_WRONG_FAM -6001
85 #define OW_TEMP_WRONG_FAM -1000 85 #define OW_TEMP_CRC_ERR -6002
86 #define OW_TEMP_CRC_ERR -1001 86 #define OW_TEMP_NO_ROM -6003
87 #define OW_TEMP_NO_ROM -1002
88 87
89 /* Helpers for OWGetTemp's number system */ 88 /* Helpers for OWGetTemp's number system */
90 #define GETWHOLE(x) ((x) / 100) 89 #define GETWHOLE(x) ((x) / 100)
91 #define GETFRAC(x) abs((x) - (GETWHOLE(x) * 100)) 90 #define GETFRAC(x) abs((x) - (GETWHOLE(x) * 100))