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diff 1wire.h @ 10:eb1faf51968e

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- Add some useful return values to search functions. - Remove some unecessary trailing \'s in macros - Replace some inline assembly I missed last time with C/macros.
author darius
date Mon, 12 Jul 2004 23:59:00 +0930
parents f9a085a0ba93
children 4b141cc7cbd4
line wrap: on
line diff
--- a/1wire.h	Mon Jul 12 17:51:20 2004 +0930
+++ b/1wire.h	Mon Jul 12 23:59:00 2004 +0930
@@ -47,6 +47,13 @@
 #define OWIREDDR		DDRC
 #define OWIREINPIN		OWIREOUTPIN
 
+/* Return codes for OWFirst()/OWNext() */
+#define OW_BADWIRE		-3
+#define OW_BADCRC		-2
+#define OW_NOPRESENCE		-1
+#define OW_NOMODULES		0
+#define OW_FOUND		1
+
 /* General 1 wire commands */
 #define OW_OVRDRV_SKIP_CMD	0x3c
 #define OW_SEARCH_ALRM_CMD	0xec