From 84b980994934d54b3dad6dd2184830f4464b9933 Mon Sep 17 00:00:00 2001
From: Florian Jung <flo@windfisch.org>
Date: Sun, 29 Nov 2015 00:30:43 +0100
Subject: usb hello world \o/

---
 avr/1wire.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 avr/1wire.h

(limited to 'avr/1wire.h')

diff --git a/avr/1wire.h b/avr/1wire.h
new file mode 100644
index 0000000..d5657ad
--- /dev/null
+++ b/avr/1wire.h
@@ -0,0 +1,27 @@
+#ifndef _1wire_h_
+#define _1wire_h_
+#define MATCH_ROM	0x55
+#define SKIP_ROM	0xCC
+#define	SEARCH_ROM	0xF0
+
+#define CONVERT_T	0x44		// DS1820 commands
+#define READ		0xBE
+#define WRITE		0x4E
+#define EE_WRITE	0x48
+#define EE_RECALL	0xB8
+
+#define	SEARCH_FIRST	0xFF		// start new search
+#define	PRESENCE_ERR	0xFF
+#define	DATA_ERR	0xFE
+#define LAST_DEVICE	0x00		// last device found
+//			0x01 ... 0x40: continue searching
+
+uint8_t w1_reset(void);
+
+uint8_t w1_byte_wr( uint8_t b );
+uint8_t w1_byte_rd( void );
+
+uint8_t w1_rom_search( uint8_t diff, uint8_t idata *id );
+
+void w1_command( uint8_t command, uint8_t idata *id );
+#endif
-- 
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