--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/1wire-config-stm32.h	Tue Feb 07 13:53:21 2012 +1030
@@ -0,0 +1,101 @@
+/*
+ * Example configuration header for 1-wire bus code.
+ *
+ * This is the user servicable stuff - how to do delays and how to
+ * frob the IO pins.
+ *
+ * Copyright (c) 2009
+ *      Daniel O'Connor <darius@dons.net.au>.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * The configuration described here has the 1-wire IO on GPIOE3,
+ * with no pull down, nor VPP
+ */
+
+#include "stm32f10x.h" /* GPIO* */
+#include "hw.h" /* For _usleep16() */
+
+/* No need for this on ARM */
+#define PROGMEM
+#define PSTR(x)			x
+#define pgm_read_byte(x)	*(x)
+
+/* Init bus */
+#define OWBUSINIT()
+
+/* Set the port up to allow reading from the 1 wire bus */
+#define OWSETREAD() 		do {			\
+    GPIO_InitTypeDef GPIO_InitStructure;		\
+    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;		\
+    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;	\
+    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; \
+    GPIO_Init(GPIOE, &GPIO_InitStructure);		\
+} while (0)
+
+
+/* Read the 1-wire bus, non-inverting logic */
+#define OWREADBUS()		(GPIO_ReadInputDataBit(GPIOE, GPIO_Pin_3))
+
+/* Set the 1-wire bus to 0
+ */
+#define OWSETBUSLOW()		do {			\
+    GPIO_InitTypeDef GPIO_InitStructure;		\
+    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;		\
+    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;	\
+    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;	\
+    GPIO_Init(GPIOE, &GPIO_InitStructure);		\
+    GPIO_ResetBits(GPIOE, GPIO_Pin_3);			\
+} while (0)
+
+/* Set the 1-wire bus to 1
+ * Change to input and let the pull up do its job
+ */
+#define OWSETBUSHIGH()		do {			\
+    GPIO_InitTypeDef GPIO_InitStructure;		\
+    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;		\
+    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;	\
+    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; \
+    GPIO_Init(GPIOE, &GPIO_InitStructure);		\
+} while (0)
+
+#define OWDELAY_A _usleep16(6)						/* 6 usec */
+#define OWDELAY_B _usleep16(64)						/* 64 usec */
+#define OWDELAY_C _usleep16(60)						/* 60 usec */
+#define OWDELAY_D _usleep16(10)						/* 10 usec */
+#define OWDELAY_E _usleep16(9)						/* 9 usec */
+#define OWDELAY_F _usleep16(55)						/* 55 usec */
+#define OWDELAY_G							/* 0 usec */
+#define OWDELAY_H _usleep16(480)					/* 480 usec */
+#define OWDELAY_I _usleep16(70)						/* 70 usec */
+
+#ifdef OW_DEBUG
+#define OWPUTS(x)		puts_P(x)
+#define OWPUTSP(x)		puts_P(x)
+#define OWPRINTFP(fmt, ...)	printf_P(fmt, ## __VA_ARGS__)
+#else
+#define OWPUTS(x)
+#define OWPUTSP(x)
+#define OWPRINTFP(fmt, ...)
+#endif